1. The utility model provides a waterproof detection device for building waterproofing membrane, includes detection case (1), its characterized in that: one side of the detection box (1) is rotatably connected with a box cover (2), one side of the top of the detection box (1) is provided with an air cooler (3), one side of the air cooler (3) is communicated with an air inlet pipe (4), wherein,

one end, far away from the air cooler (3), of the air inlet pipe (4) is communicated with the middle of the top end of the detection box (1), a coiled material frame (5) is fixedly installed in the middle of the inner side of the detection box (1), a pressing frame (6) is arranged at the top of the coiled material frame (5), a transverse sliding frame (7) is transversely connected to the inner portion, close to the upper portion of the pressing frame (6), of the detection box (1) in a sliding mode, a longitudinal sliding frame (8) is longitudinally connected to the top of the transverse sliding frame (7) in a sliding mode, a communicating opening (9) is formed in the middle of the bottom end of the transverse sliding frame (7), and a mounting frame (10) is fixed to the bottom, close to the communicating opening (9), of the longitudinal sliding frame (8);

burette (11) are installed to the bottom of mounting bracket (10), air-cooler (3) drive mounting bracket (10) through first drive mechanism and remove, coiled material frame (5) inboard lateral sliding connection has sliding support (17), absorbent paper (18) are installed at the top of sliding support (17), the bottom of sliding support (17) is fixed with drive support (21), horizontal carriage (7) drive sliding support (17) through second drive mechanism and slide, the inboard below of detection case (1) is provided with the mechanism that drips.

2. A waterproofing detection device for waterproofing membrane for building according to claim 1, wherein: the coiled material frame (5) and the pressing frame (6) are in a rectangular frame shape.

3. A waterproofing detection device for waterproofing membrane for building according to claim 1, wherein: first drive mechanism includes ratch (12), spacing (13), turbine (14), first gear (15) and gag lever post (16), the top equidistance of vertical carriage (8) is fixed with ratch (12), top that vertical carriage (8) is close to ratch (12) both sides is fixed with spacing (13), the inside rotation that detection case (1) is close to air-supply line (4) is connected with turbine (14), the bottom mounting that turbine (14) are close to ratch (12) has first gear (15), the bottom middle part of first gear (15) is fixed with spacing (16).

4. A waterproofing detection device for waterproofing membrane for building according to claim 3, wherein: the pitch of the first gear (15) is equal to the pitch between the toothed bars (12), and the first gear (15) is meshed with the toothed bars (12).

5. A waterproofing detection device for waterproofing membrane for building according to claim 1, wherein: a guide groove (19) penetrates through one side of the sliding support (17), a guide plate (20) penetrates through the inside of the guide groove (19), and two ends of the guide plate (20) are fixedly connected with the inner side of the coiled material frame (5).

6. A waterproofing detection device for waterproofing membrane for building according to claim 1, wherein: the second transmission mechanism comprises a first rack (22), a second rack (23), a second gear (24) and a third gear (25), the first rack (22) is fixed on the outer side of the transverse sliding frame (7) close to the detection box (1), the second rack (23) is fixed on the outer side of the transmission support (21) close to the detection box (1), the first rack (22) and the second rack (23) are located on the same outer side of the detection box (1), and the second gear (24) and the third gear (25) are connected between the first rack (22) and the second rack (23) in a rotating mode.

7. The waterproofing detection device for waterproofing membrane of building according to claim 6, wherein: the first rack (22) drives the second rack (23) to move through the second gear (24) and the third gear (25).

8. A waterproofing detection device for waterproofing membrane for building according to claim 1, wherein: the water dripping mechanism comprises a third rack (26), a fourth gear (27), a first reversing gear (28), a piston cylinder (29), a piston (30), a piston rod (31), a second reversing gear (32), a rotary disc (33), an eccentric rod (34), a water tank (35), a water inlet pipe (36), a first one-way valve (37), a water outlet pipe (38) and a second one-way valve (39), the third rack (26) is vertically fixed at the bottom end of the transmission support (21), the side face, close to the third rack (26), of the detection box (1) is rotatably connected with the fourth gear (27), the first reversing gear (28) is fixed at the bottom of the fourth gear (27), the piston cylinder (29) is fixed at the bottom of the inner side of the first reversing gear (28) of the detection box (1), the piston (30) is arranged in the piston cylinder (29), and the piston rod (31) is rotatably connected to the top of the piston (30), the piston cylinder (29) is rotatably connected with a second reversing gear (32) close to the top of the first reversing gear (28), the top of the piston cylinder (29) corresponding to the second reversing gear (32) is rotatably connected with a rotating disc (33), the second reversing gear (32) is fixedly connected with the position of the rotating disc (33) close to the side through an eccentric rod (34), the top of the piston rod (31) is rotationally connected with the middle part of the eccentric rod (34), a water tank (35) is arranged inside one side of the detection box (1) close to the piston cylinder (29), one side of the bottom of the piston cylinder (29) is communicated with a water tank (35) through a water inlet pipe (36), a first check valve (37) is arranged in the water inlet pipe (36) close to the piston cylinder (29), the other side of the bottom of the piston cylinder (29) is communicated with a dropper (11) through a water outlet pipe (38), and a second check valve (39) is arranged in the water outlet pipe (38) close to the piston cylinder (29).

9. A waterproofing detection device for waterproofing membrane for building according to claim 8, wherein: the first check valve (37) is communicated in a one-way mode from a water tank (35) to the piston cylinder (29), and the second check valve (39) is communicated in a one-way mode from the piston cylinder (29) to the dropper (11).

Background

The waterproof roll is mainly used for building walls, roofs, tunnels, highways, refuse landfills and the like, can be curled into a roll-shaped flexible building material product which can resist external rainwater and underground water leakage, is used as a leakage-free connection between an engineering foundation and a building, is a first barrier for waterproofing of the whole engineering, plays a vital role in the whole engineering, and needs to be detected in the waterproof performance of the waterproof roll after the waterproof roll is produced.

Present waterproofing membrane water proof testing device is when using, directly drops on waterproofing membrane with clear water for clear water gathering is located on waterproofing membrane, and the waterproofing membrane of other positions does not contact the clear water, makes waterproofing membrane's detection effect not good, and inconvenient with the even drippage of clear water on waterproofing membrane, inconvenient use, so we have proposed a water proof testing device for building waterproofing membrane, so that solve the problem that proposes in the aforesaid.

Disclosure of Invention

The invention aims to provide a waterproof detection device for a building waterproof coiled material, which aims to solve the problems that when the existing waterproof detection device for the waterproof coiled material is used, clear water is directly dripped onto the waterproof coiled material, so that the clear water is gathered at one position on the waterproof coiled material, and waterproof coiled materials at other positions are not contacted with the clear water, so that the detection effect of the waterproof coiled material is poor, the clear water is inconvenient to drip onto the waterproof coiled material uniformly, and the waterproof detection device is inconvenient to use.

In order to achieve the purpose, the invention provides the following technical scheme: a waterproof detection device for a building waterproof coiled material comprises a detection box, one side of the detection box is rotatably connected with a box cover, one side of the top of the detection box is provided with an air cooler, one side of the air cooler is communicated with an air inlet pipe, wherein,

one end, far away from an air cooler, of the air inlet pipe is communicated with the middle of the top end of the detection box, a coiled material frame is fixedly mounted in the middle of the inner side of the detection box, a compression frame is arranged at the top of the coiled material frame, a transverse sliding frame is transversely and slidably connected to the inner portion, close to the upper side of the compression frame, of the detection box, a longitudinal sliding frame is longitudinally and slidably connected to the top of the transverse sliding frame, a communication opening is formed in the middle of the bottom end of the transverse sliding frame, and a mounting frame is fixed at the bottom, close to the communication opening, of the longitudinal sliding frame;

the burette is installed to the bottom of mounting bracket, the air-cooler drives the mounting bracket through first drive mechanism and removes, the inboard lateral sliding connection of coiled material frame has the sliding support, the paper that absorbs water is installed at the top of sliding support, the bottom of sliding support is fixed with the drive support, horizontal carriage drives the sliding support through second drive mechanism and slides, the inboard below of detection case is provided with the mechanism that drips.

Preferably, the coil frame and the pressing frame are in a rectangular frame shape.

Preferably, the top equidistance of vertical carriage is fixed with the ratch, the top that vertical carriage is close to the ratch both sides is fixed with the spacing, the inside rotation that the detection case is close to the air-supply line is connected with the turbine, the bottom mounting that the turbine is close to the ratch has first gear, the bottom middle part of first gear is fixed with the spacing pole.

Preferably, the pitch of the first gear is equal to the pitch between the rack bars, and the first gear is meshed with the rack bars.

Preferably, a guide groove penetrates through one side of the sliding support, a guide plate penetrates through the guide groove, and two ends of the guide plate are fixedly connected with the inner side of the coiled material frame.

Preferably, a first rack is fixed on the outer side of the transverse sliding frame close to the detection box, a second rack is fixed on the outer side of the transmission support close to the detection box, the first rack and the second rack are located on the same outer side of the detection box, and a second gear and a third gear are rotatably connected between the first rack and the second rack.

Preferably, the first rack drives the second rack to move through the second gear and the third gear.

Preferably, a third rack is vertically fixed at the bottom end of the transmission support, a fourth gear is rotatably connected to the side surface of the detection box close to the third rack, a first reversing gear is fixed at the bottom of the fourth gear, a piston cylinder is fixed at the bottom of the inner side of the detection box relative to the first reversing gear, a piston is arranged inside the piston cylinder, a piston rod is rotatably connected to the top of the piston, a second reversing gear is rotatably connected to the top of the piston cylinder close to the first reversing gear, a rotating disc is rotatably connected to the top of the piston cylinder corresponding to the second reversing gear, the second reversing gear is fixedly connected to the side position of the rotating disc close to the side through an eccentric rod, the top of the piston rod is rotatably connected to the middle part of the eccentric rod, a water tank is installed inside the side of the detection box close to the piston cylinder, and one side of the bottom of the piston cylinder is communicated with the water tank through a water inlet pipe, the water inlet pipe is provided with a first check valve inside and close to the piston cylinder, the other side of the bottom of the piston cylinder is communicated with the dropper through a water outlet pipe, and a second check valve is arranged inside the water outlet pipe and close to the piston cylinder.

Preferably, the first check valve is communicated in a one-way mode from a water tank to a piston cylinder, and the second check valve is communicated in a one-way mode from the piston cylinder to a dropper.

Compared with the prior art, the invention has the beneficial effects that:

1. the utility model provides a waterproof detection device for building waterproofing membrane, when the air-cooler blows in the cold wind to the detection case through the air-supply line, the air current drives the turbine and rotates, the turbine drives first gear rotation, first gear passes through the ratch and drives vertical carriage and horizontal carriage lateral sliding, when first gear contacts with spacing, make first gear pass through the ratch and drive vertical carriage longitudinal sliding, make first gear opposite side and ratch mesh mutually, make first gear continue to drive vertical carriage lateral sliding, make vertical carriage drive the burette through the mounting bracket and remove, make the removal orbit of burette be the rectangle, and the burette is circulating movement, when being convenient for blow in the cold wind to the detection case, drive burette circulating movement through the air current, be convenient for evenly drip the clear water on waterproofing membrane.

2. This a waterproof detection device for building waterproofing membrane, first gear drives the lateral sliding frame when horizontal round trip movement, horizontal carriage drives first rack and removes, first rack passes through second gear and third gear drive second rack syntropy and removes, make the second rack drive the round trip movement of sliding support through the transmission support, the sliding support supports waterproofing membrane's bottom through the paper that absorbs water, absorb the water stain that seeps bottom waterproofing membrane through the paper that absorbs water, the situation of absorbing water through observing the paper that absorbs water, waterproof performance to waterproofing membrane detects, be convenient for drive the water stain that the paper that absorbs water seeps bottom waterproofing membrane and absorb when horizontal carriage removes.

3. The utility model provides a waterproof detection device for building waterproofing membrane, when the transmission support drives sliding support round trip movement, the transmission support drives fourth gear revolve through the third rack, the fourth gear drives first switching-over gear revolve, first switching-over gear drives second switching-over gear revolve, second switching-over gear drives the eccentric rod and reciprocates in the vertical direction, make the eccentric rod drive the piston through the piston rod and reciprocate, when the piston rebound, first check valve opens, the second check valve is closed, make the clear water in the water tank inside by the suction piston cylinder, when the piston downshifts, first check valve is closed, the second check valve opens, make the clear water in the piston cylinder get into inside the burette through the outlet pipe, later drip through the burette, be convenient for drive the drip mechanism and drip to drip the coiled material when the transmission support drives sliding support round trip movement.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is a schematic perspective view of a lateral sliding frame according to the present invention;

FIG. 5 is a perspective view of the sliding support of the present invention;

fig. 6 is a schematic view of the internal structure of the piston cylinder of the present invention.

In the figure: 1. a detection box; 2. a box cover; 3. an air cooler; 4. an air inlet pipe; 5. a coil rack; 6. a pressing frame; 7. a transverse sliding frame; 8. a longitudinal sliding frame; 9. a communication port; 10. a mounting frame; 11. a dropper; 12. a rack bar; 13. a limiting frame; 14. a turbine; 15. a first gear; 16. a limiting rod; 17. a sliding support; 18. absorbent paper; 19. a guide groove; 20. a guide plate; 21. a transmission bracket; 22. a first rack; 23. a second rack; 24. a second gear; 25. a third gear; 26. a third rack; 27. a fourth gear; 28. a first reversing gear; 29. a piston cylinder; 30. a piston; 31. a piston rod; 32. a second reversing gear; 33. rotating the disc; 34. an eccentric rod; 35. a water tank; 36. a water inlet pipe; 37. a first check valve; 38. a water outlet pipe; 39. a second one-way valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a waterproof detection device for a building waterproof coiled material comprises a detection box 1, a box cover 2, an air cooler 3, an air inlet pipe 4, a coiled material frame 5, a pressing frame 6, a transverse sliding frame 7, a longitudinal sliding frame 8, a communication port 9, a mounting frame 10, a dropper 11, a rack bar 12, a limiting frame 13, a turbine 14, a first gear 15, a limiting bar 16, a sliding support 17, absorbent paper 18, a guide groove 19, a guide plate 20, a transmission support 21, a first rack 22, a second rack 23, a second gear 24, a third gear 25, a third rack 26, a fourth gear 27, a first reversing gear 28, a piston cylinder 29, a piston 30, a piston rod 31, a second reversing gear 32, a rotating disc 33, an eccentric rod 34, a water tank 35, a water inlet pipe 36, a first one-way valve 37, a water outlet pipe 38 and a second one-way valve 39, wherein one side of the detection box 1 is rotatably connected with the box cover 2, the air cooler 3 is installed on one side of the top of the detection box 1, one side of the air cooler 3 is communicated with an air inlet pipe 4, wherein,

one end, far away from the air cooler 3, of the air inlet pipe 4 is communicated with the middle of the top end of the detection box 1, a coiled material frame 5 is fixedly mounted in the middle of the inner side of the detection box 1, the coiled material frame 5 and the pressing frame 6 are rectangular frame-shaped, the pressing frame 6 is arranged at the top of the coiled material frame 5, a transverse sliding frame 7 is transversely and slidably connected to the inner portion, close to the upper portion of the pressing frame 6, of the detection box 1, a longitudinal sliding frame 8 is longitudinally and slidably connected to the top of the transverse sliding frame 7, a communication opening 9 is formed in the middle of the bottom end of the transverse sliding frame 7, and a mounting frame 10 is fixed at the bottom, close to the communication opening 9, of the longitudinal sliding frame 8;

the burette 11 is installed to the bottom of mounting bracket 10, air-cooler 3 drives mounting bracket 10 through first drive mechanism and removes, the top equidistance of vertical carriage 8 is fixed with ratch 12, vertical carriage 8 is close to the top of ratch 12 both sides and is fixed with spacing 13, the inside rotation that detection case 1 is close to air-supply line 4 is connected with turbine 14, turbine 14 is close to the bottom mounting of ratch 12 and is had first gear 15, the bottom middle part of first gear 15 is fixed with spacing pole 16, the interval between first gear 15 tooth pitch and the ratch 12 equals, and first gear 15 meshes with ratch 12 mutually, when air-cooler 3 blows in the cold wind through air-supply line 4 in to detection case 1, the air current drives turbine 14 and rotates, and turbine 14 drives first gear 15 and rotates, and first gear 15 drives vertical carriage 8 and horizontal carriage 7 lateral slipping through ratch 12, when the first gear 15 contacts the limiting frame 13, the first gear 15 drives the longitudinal sliding frame 8 to longitudinally slide through the rack bar 12, the other side of the first gear 15 is meshed with the rack bar 12, the first gear 15 continues to drive the longitudinal sliding frame 8 to transversely slide, the longitudinal sliding frame 8 drives the dropper 11 to move through the mounting frame 10, the moving track of the dropper 11 is rectangular, and the dropper 11 circularly moves, so that when cold air is blown into the detection box 1, the dropper 11 is driven to circularly move through air flow, and clean water is uniformly dropped onto the waterproof coiled material;

the inner side of the coiled material frame 5 is transversely connected with a sliding support 17 in a sliding manner, a guide groove 19 penetrates through one side of the sliding support 17, a guide plate 20 penetrates through the guide groove 19, two ends of the guide plate 20 are fixedly connected with the inner side of the coiled material frame 5, absorbent paper 18 is mounted at the top of the sliding support 17, a transmission support 21 is fixed at the bottom of the sliding support 17, and the transverse sliding frame 7 drives the sliding support 17 to slide through a second transmission mechanism;

the outer side of the transverse sliding frame 7 close to the detection box 1 is fixed with a first rack 22, the outer side of the transmission support 21 close to the detection box 1 is fixed with a second rack 23, the first rack 22 and the second rack 23 are located on the same side of the outer portion of the detection box 1, a second gear 24 and a third gear 25 are connected between the first rack 22 and the second rack 23 in a rotating mode, the first rack 22 drives the second rack 23 to move through the second gear 24 and the third gear 25, when the first gear 15 drives the transverse sliding frame 7 to move back and forth on the transverse direction, the transverse sliding frame 7 drives the first rack 22 to move, the first rack 22 drives the second rack 23 to move in the same direction through the second gear 24 and the third gear 25, the second rack 23 drives the sliding support 17 to move back and forth through the transmission support 21, the sliding support 17 supports the waterproof bottom through the absorbent paper 18, and the water stain seeped out of the bottom of the waterproof coiled material is absorbed through the absorbent paper 18, the waterproof performance of the waterproof roll is detected by observing the water absorption condition of the water absorption paper 18, so that the water stain seeped out of the bottom of the waterproof roll is absorbed by the water absorption paper 18 driven while the transverse sliding frame 7 moves;

a water dripping mechanism is arranged below the inner side of the detection box 1, a third rack 26 is vertically fixed at the bottom end of the transmission bracket 21, a fourth gear 27 is rotatably connected to the side surface of the detection box 1 close to the third rack 26, a first reversing gear 28 is fixed at the bottom of the fourth gear 27, a piston cylinder 29 is fixed at the bottom of the inner side of the detection box 1 close to the first reversing gear 28, a piston 30 is arranged inside the piston cylinder 29, the top of the piston 30 is rotatably connected with a piston rod 31, a second reversing gear 32 is rotatably connected to the top of the piston cylinder 29 close to the first reversing gear 28, and a rotating disc 33 is rotatably connected to the top of the piston cylinder 29 corresponding to the second reversing gear 32;

the second reversing gear 32 is fixedly connected with the position, close to the edge side, of the rotating disc 33 through an eccentric rod 34, the top of the piston rod 31 is rotatably connected with the middle of the eccentric rod 34, a water tank 35 is installed inside one side, close to the piston cylinder 29, of the detection box 1, one side of the bottom of the piston cylinder 29 is communicated with the water tank 35 through a water inlet pipe 36, a first one-way valve 37 is installed inside the water inlet pipe 36, close to the piston cylinder 29, of the piston cylinder 29, the other side of the bottom of the piston cylinder 29 is communicated with the dropper 11 through a water outlet pipe 38, a second one-way valve 39 is installed inside the water outlet pipe 38, close to the piston cylinder 29, of the first one-way valve 37 is communicated in a one-way mode from the water tank 35 to the piston cylinder 29, and the second one-way valve 39 is communicated in a one-way from the piston cylinder 29 to the dropper 11;

when the transmission bracket 21 drives the sliding bracket 17 to move back and forth, the transmission bracket 21 drives the fourth gear 27 to rotate through the third rack 26, the fourth gear 27 drives the first reversing gear 28 to rotate, the first reversing gear 28 drives the second reversing gear 32 to rotate, the second reversing gear 32 drives the eccentric rod 34 to move up and down in the vertical direction, so that the eccentric rod 34 drives the piston 30 to move up and down through the piston rod 31, when the piston 30 moves upwards, the first check valve 37 is opened, the second check valve 39 is closed, clean water in the water tank 35 is pumped into the piston cylinder 29, when the piston 30 moves downwards, the first check valve 37 is closed, the second check valve 39 is opened, clean water in the piston cylinder 29 enters the dropper 11 through the water outlet pipe 38, and then drops through the dropper 11, so that the clean water can be conveniently dropped onto a coiled material by driving the dropping mechanism while the transmission support 21 drives the sliding support 17 to move back and forth.

The working principle is as follows: when the waterproof detection device for the building waterproof coiled material is used, firstly, the box cover 2 is opened, the coiled material is placed on the coiled material frame 5, the coiled material is fixed through the pressing frame 6, then the air cooler 3 blows cold air into the detection box 1 through the air inlet pipe 4, the temperature in the detection box 1 is reduced, the waterproof performance of the coiled material is detected under a low-temperature environment, meanwhile, the air flow drives the turbine 14 to rotate, the turbine 14 drives the first gear 15 to rotate, the first gear 15 drives the longitudinal sliding frame 8 and the transverse sliding frame 7 to transversely slide through the toothed bar 12, when the first gear 15 is contacted with the limiting frame 13, the first gear 15 drives the longitudinal sliding frame 8 to longitudinally slide through the toothed bar 12, the other side of the first gear 15 is meshed with the toothed bar 12, the first gear 15 continuously drives the longitudinal sliding frame 8 to transversely slide, and the longitudinal sliding frame 8 drives the dropper 11 to move through the mounting frame 10, the moving track of the dropper 11 is rectangular, and the dropper 11 moves circularly, so that when cold air is blown into the detection box 1, the dropper 11 is driven to move circularly by air flow, and clean water is conveniently and uniformly dropped on the waterproof coiled material;

when the transverse sliding frame 7 is driven by the first gear 15 to transversely move back and forth, the transverse sliding frame 7 drives the first rack 22 to move, the first rack 22 drives the second rack 23 to move in the same direction through the second gear 24 and the third gear 25, so that the second rack 23 drives the sliding support 17 to move back and forth through the transmission support 21, the sliding support 17 abuts against the bottom of the waterproof coiled material through the absorbent paper 18, water stains seeped from the bottom of the waterproof coiled material are absorbed through the absorbent paper 18, the waterproof performance of the waterproof coiled material is detected by observing the water absorption condition of the absorbent paper 18, and the absorbent paper 18 is driven to absorb the water stains seeped from the bottom of the waterproof coiled material while the transverse sliding frame 7 moves;

when the transmission bracket 21 drives the sliding bracket 17 to move back and forth, the transmission bracket 21 drives the fourth gear 27 to rotate through the third rack 26, the fourth gear 27 drives the first reversing gear 28 to rotate, the first reversing gear 28 drives the second reversing gear 32 to rotate, the second reversing gear 32 drives the eccentric rod 34 to move up and down in the vertical direction, so that the eccentric rod 34 drives the piston 30 to move up and down through the piston rod 31, when the piston 30 moves upwards, the first check valve 37 is opened, the second check valve 39 is closed, clean water in the water tank 35 is pumped into the piston cylinder 29, when the piston 30 moves downwards, the first check valve 37 is closed, the second check valve 39 is opened, clean water in the piston cylinder 29 enters the dropper 11 through the water outlet pipe 38, and then drops through the dropper 11, so that the clean water can be conveniently dropped onto a coiled material by driving the dropping mechanism while the transmission support 21 drives the sliding support 17 to move back and forth.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.