1. The utility model provides a PVC tubular product based on nanometer active calcium carbonate preparation, includes trunk line (1), its characterized in that: fixedly connected with inside lining (2) on trunk line (1), and be provided with in advance fluting (3) on trunk line (1), be provided with in advance fluting (3) and glue (4), and in advance fluting (3) fixed connection arranges the interior structure of toughening of accuse formula a bit, interior toughening is structural to be provided with hot-melt nail (11), and hot-melt nail (11) fixedly connected with outer lining (12), fixedly connected with insulating layer (13) on outer lining (12), fixedly connected with buffer tube (14) on insulating layer (13), and be provided with the outer structure of toughening that has dispersion buffer function in buffer tube (14), outer toughening is structural to be connected with outer armor (18), and is provided with anticorrosive coating (19) on outer armor (18).

2. The PVC pipe prepared based on nano active calcium carbonate according to claim 1, is characterized in that: the main pipeline (1) is made of a composite material of polyvinyl chloride and nano active calcium carbonate, the weight percentage of the polyvinyl chloride is 40-60%, the weight percentage of the nano active calcium carbonate is 20-30%, and the balance is filler and modifier.

3. The PVC pipe prepared based on nano active calcium carbonate according to claim 1, is characterized in that: the inner liner (2) is fixedly connected to the inner wall of the main pipeline (1), and the pre-grooves (3) are annularly arranged on the outer wall of the main pipeline (1).

4. The PVC pipe prepared based on nano active calcium carbonate according to claim 1, is characterized in that: the internal toughening structure comprises pre-installed seats (5), through holes (6), reinforcing rods (7), end heads (8), an internal support (9) and toughening pins (10), wherein the number of the pre-installed seats (5) is consistent with that of the pre-opened grooves (3), and the pre-installed seats are connected in the pre-opened grooves (3) through glue dispensing (4).

5. The PVC pipe prepared based on nano active calcium carbonate according to claim 4, is characterized in that: the through hole (6) penetrates through the pre-installed seats (5), the reinforcing rods (7) are connected into the through holes (6) of the two pre-installed seats (5), the ends (8) are connected to the two ends of the reinforcing rods (7), the inner supports (9) are symmetrically installed on the two sides of the reinforcing rods (7), and the toughening feet (10) are connected with the outer wall of the main pipeline (1).

6. The PVC pipe prepared based on nano active calcium carbonate according to claim 1, is characterized in that: the outer lining (12) is connected to the inner support (9) through hot-melt nails (11), the heat insulation layer (13) is wrapped and adhered to the outer lining (12), and the buffer tube (14) is connected to the outer side of the heat insulation layer (13).

7. The PVC pipe prepared based on nano active calcium carbonate according to claim 1, is characterized in that: the outer toughening structure comprises a rope groove (15), a dispersing rope (16) and a compression piece (17), wherein the rope groove (15) is an annular groove formed in the buffer tube (14).

8. The PVC pipe prepared based on nano active calcium carbonate according to claim 7, is characterized in that: the dispersion rope (16) is arranged in the rope groove (15) in a surrounding mode, two ends of the dispersion rope (16) are pulled out of the rope groove (15) and are connected to the lower portion of the pressure piece (17) in a turning mode, and the pressure piece (17) is connected with the inner wall of the outer armor (18).

Background

Currently, with the development of science and technology, PVC materials are also widely used in many fields, such as the housing packaging of products and the corresponding dredging pipelines and sewer pipes, especially the dredging pipelines and sewer pipes made of PVC materials, because of the characteristics of light materials, good flame retardance, good acid and alkali resistance, simple processing and durability, metal pipelines have been gradually replaced at present.

But present PVC tubular product's general intensity is not high, receives external force such as impact or collision and is damaged easily, and the durability is poor, if has taken place to damage in the use, can cause fluidic leakage, and the maintenance in later stage is also very troublesome. In view of the above, we propose a PVC pipe prepared based on nano-active calcium carbonate.

Disclosure of Invention

The invention aims to provide a PVC pipe prepared based on nano active calcium carbonate, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a PVC tubular product based on preparation of nanometer active calcium carbonate, includes the trunk line, fixedly connected with inside lining on the trunk line, and be provided with the fluting in advance on the trunk line, be provided with the point in the fluting in advance and glue, and in the fluting in advance fixedly connected with a little cloth accuse formula in increase tough structure, it is provided with the hot melt nail to increase tough structurally in, and the outer lining of hot melt nail fixedly connected with, fixedly connected with insulating layer on the outer lining, fixedly connected with buffer tube on the insulating layer, and be provided with the outer structure of increasing tough that has dispersion buffer function in the buffer tube, increase tough structurally outward and be connected with outer armor, and be provided with anticorrosive coating on the outer armor.

Preferably, the main pipeline is made of a composite material of polyvinyl chloride and nano active calcium carbonate, the weight percentage of the polyvinyl chloride is 40-60%, the weight percentage of the nano active calcium carbonate is 20-30%, and the balance is filler and modifier.

Preferably, the lining is fixedly connected to the inner wall of the main pipeline, and the pre-grooves are annularly arranged on the outer wall of the main pipeline.

Preferably, the internal toughening structure comprises pre-installed seats, through holes, reinforcing rods, end heads, an internal support and toughening legs, wherein the number of the pre-installed seats is consistent with that of the pre-opened grooves, and the pre-installed seats are connected in the pre-opened grooves through glue dispensing.

Preferably, the through holes penetrate through the pre-mounting seats, the reinforcing rods are connected to the through holes of the two pre-mounting seats, the ends are connected to two ends of the reinforcing rods, the inner supports are symmetrically mounted on two sides of the reinforcing rods, and the toughening feet are connected with the outer wall of the main pipeline.

Preferably, the outer lining is connected to the inner support through hot-melt nails, the thermal insulation layer is wrapped and adhered to the outer lining, and the buffer tube is connected to the outer side of the thermal insulation layer.

Preferably, the outer toughening structure comprises a rope groove, a dispersing rope and a pressure piece, wherein the rope groove is an annular groove formed in the buffer pipe.

Preferably, the dispersion rope is arranged in the rope groove in a surrounding mode, two ends of the dispersion rope are pulled out of the rope groove and are connected to the lower portion of the pressure piece in a turning mode, and the pressure piece is connected with the inner wall of the outer armor.

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

1. through mixing nano active calcium carbonate, original polyvinyl chloride can be effectively reinforced and toughened from a material layer surface, a toughening mechanical structure is further arranged on an original single-layer main pipeline, firstly, the liner can increase the fluid impact resistance of the main pipeline, the pre-groove is the basis for installing the internal toughening structure of the main pipeline, and glue is dispensed in the pre-groove through automatic glue dispensing equipment, so that the inner support is vertically connected between the main pipeline and the outer liner, the toughening feet are utilized to form a buffering toughening structure, the overall compression resistance and tolerance performance of the pipe are improved, the impact suffered in the using process cannot directly influence the transportation of the main pipeline, and the safety of media in the main pipeline is ensured;

2. the invention not only uses the inner toughening structure with direct strengthening function to strengthen, but also is provided with the outer toughening structure with dispersing ability, wherein the compression piece is connected with the inner wall of the outer armor, when the outer armor is extruded from the outside, the local pressure can be transmitted to the corresponding compression piece to drive the end part of the dispersing rope to move, and further the pressure is dispersed on the pipe wall of the whole buffer pipe along the ring shape, thereby avoiding local deformation and being beneficial to keeping the integrity of the pipe structure.

Drawings

FIG. 1 is a cross-sectional view of a structure of the present invention;

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

fig. 3 is an enlarged schematic view of the area a in fig. 1.

In the figure: the main pipeline 1, the lining 2, the pre-slotting 3, the glue dispensing 4, the pre-mounting seat 5, the through hole 6, the reinforcing rod 7, the end head 8, the inner support 9, the toughening foot 10, the hot-melt nail 11, the outer lining 12, the heat insulation layer 13, the buffer tube 14, the rope groove 15, the dispersing rope 16, the pressure piece 17, the outer armor 18 and the anticorrosive coating 19.

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 to 3, the present invention provides a technical solution: the utility model provides a PVC tubular product based on preparation of nanometer active calcium carbonate, including trunk line 1, fixedly connected with inside lining 2 on the trunk line 1, and be provided with grooving 3 in advance on the trunk line 1, it is 4 to be provided with some glue in grooving 3 in advance, and fixedly connected with arranges the interior structure of toughening of accuse formula a little in grooving 3 in advance, interior toughening is structural to be provided with hot-melt nail 11, and the outer lining 12 of 11 fixedly connected with of hot-melt nail, fixedly connected with insulating layer 13 on the outer lining 12, fixedly connected with buffer tube 14 on the insulating layer 13, and be provided with the outer structure of toughening that has dispersion buffer function in the buffer tube 14, outer toughening is structural to be connected with outer armor 18, and be provided with anticorrosive coating 19 on the outer armor 18.

The main pipeline 1 is made of a composite material of polyvinyl chloride and nano active calcium carbonate, the weight fraction of the polyvinyl chloride is 40-60%, the weight fraction of the nano active calcium carbonate is 20-30%, and the balance of the nano active calcium carbonate is filler and modifier, and the original polyvinyl chloride can be effectively reinforced and toughened from the material layer by mixing the nano active calcium carbonate;

the lining 2 is fixedly connected to the inner wall of the main pipeline 1, the pre-grooves 3 are annularly arranged on the outer wall of the main pipeline 1, and a toughening mechanical structure is further arranged on the single-layer main pipeline 1, firstly, the lining 2 can increase the fluid impact resistance of the main pipeline 1, and the pre-grooves 3 are the foundation for installing the toughening structure of the main pipeline 1;

the internal toughening structure comprises pre-mounting seats 5, through holes 6, reinforcing rods 7, end heads 8, internal supports 9 and toughening pins 10, wherein the number of the pre-mounting seats 5 is consistent with that of the pre-slotting 3, the pre-mounting seats are connected in the pre-slotting 3 through glue dispensing 4, and glue dispensing is carried out in the pre-slotting 3 through automatic glue dispensing equipment, so that the pre-mounting seats 5 are connected on the main pipeline 1;

the through holes 6 are arranged on the pre-mounting seats 5 in a penetrating mode, the reinforcing rods 7 are connected into the through holes 6 of the two pre-mounting seats 5, the end heads 8 are connected to two ends of the reinforcing rods 7, the inner supports 9 are symmetrically arranged on two sides of the reinforcing rods 7, the toughening feet 10 are connected with the outer wall of the main pipeline 1, the reinforcing rods 7 are installed through the pre-mounting seats 5 which are arranged in pairs in an opposite mode, the reinforcing rods 7 are connected in series in the through holes 6 and are fixed through the end heads 8, the inner supports 9 are connected to the side faces of the reinforcing rods 7 and are vertically connected between the main pipeline 1 and the outer lining 12, and therefore the toughening feet 10 are used for forming a buffering toughening structure, and the overall compression resistance of the pipe is improved;

the outer liner 12 is connected to the inner support 9 through hot melt nails 11, the heat insulation layer 13 is wrapped and adhered to the outer liner 12, the buffer tube 14 is connected to the outer side of the heat insulation layer 13, the outer liner 12 is quickly connected to the inner support 9 through the hot melt nails 11 and is wrapped outside the main pipeline 1, and the heat insulation layer 13 is used for achieving a heat insulation effect;

the outer toughening structure comprises a rope groove 15, a dispersing rope 16 and a pressure piece 17, wherein the rope groove 15 is an annular groove formed in the buffer tube 14, and the inner toughening structure with a direct reinforcing function is used for reinforcing and is also provided with an outer toughening structure with a buffering and dispersing capacity;

the dispersing rope 16 is arranged in the rope groove 15 in a surrounding mode, two ends of the dispersing rope 16 are pulled out of the rope groove 15 and are connected below the pressure piece 17 in a turning mode, the pressure piece 17 is connected with the inner wall of the outer armor 18, when the outer armor 18 is extruded from the outside, local pressure can be transmitted to the corresponding pressure piece 17, so that the pressure piece 17 is deformed in a buffering mode, the end portion of the dispersing rope 16 is driven to move, the pressure is further dispersed on the pipe wall of the whole buffer pipe 14 along the ring shape, the local deformation is avoided, and the structural integrity of the pipe is kept;

the working principle is as follows: firstly, the original polyvinyl chloride can be effectively reinforced and toughened from a material layer surface by mixing nano active calcium carbonate, a toughening mechanical structure is further arranged on a single-layer main pipeline 1, firstly, the inner lining 2 can increase the fluid impact resistance of the main pipeline 1, the pre-groove 3 is the basis for installing the toughening structure of the main pipeline 1, the pre-groove 3 is connected in the pre-groove 3 through glue dispensing 4, glue dispensing is carried out in the pre-groove 3 through automatic glue dispensing equipment, so that the pre-mount 5 is connected on the main pipeline 1, the reinforcing rods 7 are installed through the pre-mount 5 which are oppositely arranged in pairs, the reinforcing rods 7 are connected in series in the through holes 6 and are fixed by using end heads 8, the inner support 9 is connected on the side surface of the reinforcing rods 7 and is vertically connected between the main pipeline 1 and the outer lining 12, so that the toughening feet 10 form a buffering toughening structure, and the overall compression resistance of the pipe is increased, outer lining 12 uses hot melt nail 11 to come the high-speed joint on inner support 9 afterwards, the cladding has been in the outside of trunk line 1, and use insulating layer 13 to play thermal-insulated effect, except using the interior structure of toughening that has the direct enhancement function to reinforce, still be provided with the outer structure of toughening that possesses the buffering dispersion ability, compression member 17 wherein and the 18 interior wall connections of outer armor, when outer armor 18 receives outside extrusion, can pass on corresponding compression member 17 with local pressure, thereby make its buffering warp, drive dispersion rope 16 tip removal, further with pressure along the annular dispersion on the pipe wall of whole buffer tube 14, local deformation has been avoided, be favorable to keeping the integrality of tubular product structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.