1. The utility model provides a propelling movement is coiled stationery of automatic unblock, includes the casing, is for the core and installs pressure mouth on replacing the core, set up on the casing and supply pressure mouth stretch out or retract the extension opening in the casing, it locates to replace the core with can to the mode activity of extension opening direction reciprocating motion in the casing, it includes the installation piece and installs to replace the core the correction area body and the roll-up and release mechanism on the installation piece, the roll-up and release mechanism includes out the band pulley and takes up the band pulley and along with the rotation of out the band pulley drives take-up pulley pivoted gear mechanism, its characterized in that: also comprises a first limit structure used for limiting the rotation of the belt outlet wheel and a second limit structure used for limiting the rotation of the belt take-up wheel, the first limiting structure comprises a first tooth-shaped circumferential part and a first elastic rib, the first tooth-shaped circumferential part is coaxial with the belt outlet wheel, the first elastic rib is used for limiting the movement of the first tooth-shaped circumferential part, the second limiting structure comprises a second tooth-shaped circumferential part and a second elastic rib, the second tooth-shaped circumferential part is coaxial with the take-up pulley, the second elastic rib is used for limiting the movement of the second tooth-shaped circumferential part, a first pushing rib for promoting the first elastic rib to be elastically deformed until the first elastic rib is separated from the first tooth-shaped circumferential part is arranged on the position of the shell corresponding to the first elastic rib, and a second pushing rib which is used for promoting the second elastic rib to elastically deform to the second elastic rib to separate from the second tooth-shaped circumferential part is arranged at the position corresponding to the second elastic rib.

2. The wrapping stationery with a push button automatically unlocked according to claim 1, wherein: the installation piece is including the first mounting panel and the second mounting panel that are in the same place of each other lock-joint, the correction area body with rolling up the mechanism of putting and all setting up first mounting panel with between the second mounting panel, gear installs first mounting panel with go out the band pulley with between the band pulley, press mouth fixed mounting in first mounting panel with between the second mounting panel, just press the operation end of mouth to stretch out replace the core.

3. The wrapping stationery with the push button automatically unlocked according to claim 2, wherein: the first tooth-shaped circumferential part is arranged between the belt outlet wheel and the second mounting plate, and the second tooth-shaped circumferential part is arranged between the belt take-up wheel and the second mounting plate.

4. The wrapping stationery with a push button automatically unlocked according to claim 1, wherein: the first tooth-shaped circumferential part and the second tooth-shaped circumferential part are both in an inner-circumference tooth shape or an outer-circumference tooth shape, a local tooth shape or a closed-loop continuous tooth shape.

5. The wrapping stationery with the push button automatically unlocked according to claim 2, wherein: the second mounting panel corresponds first profile of tooth circumferential portion has seted up first movable groove in the position, the second plays the muscle setting and is in first movable groove, the second mounting panel corresponds second profile of tooth circumferential portion has seted up second movable groove in the position, the second plays the muscle setting and is in the second movable groove.

6. The wrapping stationery with the push button automatically unlocked according to claim 5, wherein: the first elastic rib is provided with a first free end and a first connecting end connected with the groove wall of the first movable groove, a first elastic rib lock catch and a first convex particle which is beneficial to being clamped with the tooth shape of the first tooth-shaped circumferential part are arranged on the first free end, the first elastic rib lock catch extends along the direction far away from the first mounting plate, and the first convex particle extends along the direction of the first mounting plate; the second plays the muscle have the second free end and with the second link that the cell wall of second movable groove is connected, be provided with the second on the second free end and play the muscle hasp and be favorable to with the protruding grain of second tooth-shaped looks block of second tooth-shaped circumferential part, the second plays the muscle hasp along keeping away from the direction of first mounting panel extends, the protruding grain of second is followed the direction of first mounting panel extends.

7. The wrapping stationery with the push button automatically unlocked according to claim 6, wherein: the first convex particle and the matching surface of the first tooth-shaped circumferential part are convexly provided with first tooth-shaped teeth which are convenient to be clamped with the first tooth-shaped circumferential part, and the second convex particle and the matching surface of the second tooth-shaped circumferential part are convexly provided with second tooth-shaped teeth which are convenient to be clamped with the second tooth-shaped circumferential part.

8. The wrapping stationery with a push button automatically unlocked according to claim 1, wherein: the first elastic rib is arranged along the tangential direction or the direction close to the tangential direction of the first tooth-shaped circumferential part, and the second elastic rib is arranged along the tangential direction or the direction close to the tangential direction of the second tooth-shaped circumferential part.

9. The wrapping stationery with the push button automatically unlocked according to claim 2, wherein: the casing corresponds one side epirelief of second mounting panel is equipped with will the core is propped for and is kept away from the support sand grip of casing, be provided with on the second mounting panel with the lug of propping the convex bar looks adaptation.

Background

The correction tape is an indispensable article in modern office and study, and is a mainstream correction product at present because the correction tape has the advantages of quick and clean correction, flat and smooth correction surface, environmental protection, no toxicity and the like, and the correction tape gradually replaces the traditional correction fluid. The prior correction tape has various styles, such as different shapes of a square shape, a round shape, a pen shape and the like, wherein the pen-type correction tape is popular among students in middle and primary schools due to the advantages of being slim, easy to hold and the like.

The utility model discloses a flexible pen type correction area is disclosed in chinese utility model patent (CN201520330338.3), which comprises a housin, the correction area body, the winding and unwinding mechanism, pressure mouth and installation piece, set up on the casing and supply to press the mouth to stretch out or the stretching out of withdrawal, the correction area body is walked around the pressure mouth and is connected to on the winding and unwinding mechanism, winding and unwinding mechanism and pressure mouth fixed mounting are on the installation piece, the installation piece is in the casing with can locating to the mode activity of stretching out a direction reciprocating motion, be equipped with control installation piece reciprocating motion on the casing, and its control unit stretches out the outer mobile control mechanism of casing. Although the correction tape can realize the extension or retraction of the pressing nozzle by only slightly operating the movement control mechanism by a user, the correction tape has the advantages of convenient operation, simple structure and reasonable design. However, the correction tape body is easy to be rewound and loosened during transportation and the like.

In view of the above, the present inventors have conducted extensive studies to solve the above problems.

Disclosure of Invention

The invention aims to provide a coiled stationery with a push nozzle capable of being unlocked automatically, and the coiled stationery aims to solve the problem that a correction tape body is easy to loosen and inconvenient to use in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a coiled stationery with a push nozzle capable of being unlocked automatically comprises a shell, a replacement core, a pressure nozzle arranged on the replacement core, a first limit structure used for limiting the rotation of a belt outlet wheel and a second limit structure used for limiting the rotation of a belt take-up wheel, wherein the shell is provided with an extension port for the pressure nozzle to extend out of or retract into the shell, the replacement core is movably arranged in the shell in a reciprocating manner towards the direction of the extension port, the replacement core comprises an installation block, a correction belt body and a coiling and uncoiling mechanism, the correction belt body and the coiling and uncoiling mechanism are arranged on the installation block, the coiling and uncoiling mechanism comprises a belt outlet wheel, a belt take-up wheel and a gear mechanism which drives the belt take-up wheel to rotate along with the rotation of the belt outlet wheel, the first limit structure comprises a first tooth-shaped circumferential part coaxially arranged with the belt outlet wheel and a first elastic rib used for limiting the movement of the first tooth-shaped circumferential part, the second limit structure include with the second tooth type circumferential part of the coaxial setting of take-up pulley with be used for the restriction the second of second tooth type circumferential part activity plays the muscle, the casing corresponds be provided with the promotion on the position of first bullet muscle takes place elastic deformation extremely first bullet muscle breaks away from the first promotion muscle of first tooth form circumferential part, and correspond be provided with the promotion on the position of second bullet muscle the second plays the muscle and takes place elastic deformation extremely the second plays the muscle and breaks away from the second promotion muscle of second tooth form circumferential part.

Preferably, the installation piece includes first mounting panel and the second mounting panel that the looks lock joint is in the same place, the correction area body with rolling up the mechanism of putting and all setting up first mounting panel with between the second mounting panel, gear mechanism installs first mounting panel with go out the band pulley with between the band pulley, pressure mouth fixed mounting in first mounting panel with between the second mounting panel, just the operation end of pressure mouth stretches out replace the core.

Preferably, the first tooth-shaped circumferential portion is installed between the outlet pulley and the second mounting plate, and the second tooth-shaped circumferential portion is installed between the take-up pulley and the second mounting plate.

Preferably, the first tooth-shaped circumferential portion and the second tooth-shaped circumferential portion are both of an inner-circumference tooth shape or an outer-circumference tooth shape, a partial tooth shape or a closed-loop continuous tooth shape.

Preferably, the second mounting plate is provided with a first movable groove corresponding to the first tooth-shaped circumferential portion, the second elastic rib is arranged in the first movable groove, the second mounting plate is provided with a second movable groove corresponding to the second tooth-shaped circumferential portion, and the second elastic rib is arranged in the second movable groove.

Preferably, the first elastic rib is provided with a first free end and a first connecting end connected with the groove wall of the first movable groove, the first free end is provided with a first elastic rib lock catch and a first convex particle which is beneficial to being clamped with the tooth shape of the first tooth-shaped circumferential part, the first elastic rib lock catch extends along the direction far away from the first mounting plate, and the first convex particle extends along the direction of the first mounting plate; the second plays the muscle have the second free end and with the second link that the cell wall of second movable groove is connected, be provided with the second on the second free end and play the muscle hasp and be favorable to with the protruding grain of second tooth-shaped looks block of second tooth-shaped circumferential part, the second plays the muscle hasp along keeping away from the direction of first mounting panel extends, the protruding grain of second is followed the direction of first mounting panel extends.

Preferably, a first tooth profile tooth convenient to be clamped with the first tooth profile circumferential portion is convexly arranged on a matching surface of the first convex particle and the first tooth profile circumferential portion, and a second tooth profile tooth convenient to be clamped with the second tooth profile circumferential portion is convexly arranged on a matching surface of the second convex particle and the second tooth profile circumferential portion.

Preferably, the first elastic rib is arranged along a tangential direction or a direction close to the tangential direction of the first tooth-shaped circumferential portion, and the second elastic rib is arranged along a tangential direction or a direction close to the tangential direction of the second tooth-shaped circumferential portion.

Preferably, one side of the shell corresponding to the second mounting plate is convexly provided with a supporting convex strip for supporting the core away from the shell, and the second mounting plate is provided with a convex block matched with the supporting convex strip.

By adopting the design scheme, the invention has the beneficial effects that: the first tooth-shaped circumferential part is clamped with the first elastic rib to limit the reverse rotation of the belt outlet wheel fixed together with the first tooth-shaped circumferential part, and the second tooth-shaped circumferential part is clamped with the second elastic rib to limit the reverse rotation of the belt take-up wheel fixed together with the second tooth-shaped circumferential part, namely the belt outlet wheel and the belt take-up wheel are both in a wheel locking state, so that the belt body is corrected in a transportation state and the belt loosening phenomenon cannot easily occur; through promoting movement control mechanism for first promotion muscle and second promote the muscle and extrude first bullet muscle and second respectively and play the muscle, thereby realize that the tooth of first bullet muscle breaks away from first tooth type circumferential part and the tooth of second bullet muscle breaks away from second tooth type circumferential part, and the play band pulley and take-up pulley are in the unblock state promptly, can draw and take normal use. According to the invention, the locking of the correction belt body can be realized through the first elastic rib, the second elastic rib, the first tooth-shaped circumferential part and the second tooth-shaped circumferential part, so that the belt loosening phenomenon of the correction belt body can not occur, the locking of the correction belt can be automatically unlocked by pushing the movement control mechanism, and the belt is conveniently and smoothly scratched.

Drawings

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

FIG. 2 is an exploded view of the refill of the present invention;

FIG. 3 is a schematic view of the structure of the second housing and the second mounting plate of the present invention;

FIG. 4 is an exploded view of the second housing and second mounting plate of the present invention;

in the figure: the shell 1, the first shell 11, the second shell 12, the supporting protrusion 121, the extension opening 13, the first pushing rib 14, the second pushing rib 15, the protrusion 16, the core 2, the first mounting plate 21, the second mounting plate 22, the first movable groove 221, the second movable groove 222, the first elastic rib 23, the first free end 231, the first elastic rib lock 2311, the first protrusion 2312, the first connection end 232, the second elastic rib 24, the second free end 241, the second elastic rib lock 2411, the second protrusion 2412, the second connection end 242, the pressing nozzle 3, the first tooth-shaped circumferential portion 41, and the second tooth-shaped circumferential portion 42.

Detailed Description

The technical solutions in the embodiments of the present invention are 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 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.

Refer to fig. 1 to 4

The utility model provides a push away winding formula stationery of chewing automatic unblock, includes casing 1, replaces core 2 and installs the pressure nozzle 3 on replacing core 2, offers on the casing 1 to supply pressure nozzle 3 to stretch out or retract casing 1's extension 13, replaces in core 2 locates casing 1 with the mode activity that can be to extension 13 direction reciprocating motion, casing 1 is rectangular form, casing 1 includes first casing 11 and second casing 12 through buckle structure lock-joint together. It is worth mentioning that the housing 1 may also be of other constructions commonly found in the industry.

The first shell 11 is provided with a movement control mechanism which controls the core 2 to reciprocate and the control part of the movement control mechanism extends out of the shell 1. Specifically, the movement control mechanism may be the movement control mechanism in the market (for example, chinese utility model patent CN204687662U), and will not be described in detail herein.

The refill 2 includes a mounting block, and a correction belt (not shown) and a winding and unwinding mechanism mounted on the mounting block, the winding and unwinding mechanism includes a belt discharging wheel and a belt retracting wheel for winding the correction belt, and a gear mechanism for driving the belt retracting wheel to rotate along with the rotation of the belt discharging wheel, the winding and unwinding mechanism is a well-known technology, and not described herein, the correction belt is wound on the belt discharging wheel, and the head end of the correction belt is wound around the pressure nozzle 3 to the belt retracting wheel.

The second housing 12 is provided with a support protrusion 121 protruding from the second housing 12 to support the refill 2 away from the second housing 12, a protrusion 16 adapted to the support protrusion 121 is provided on a second mounting plate 22 (described in detail below), the protrusion 16 is provided at a middle portion of the second mounting plate 22 in a length direction, the protrusion 16 extends in a direction of the second housing 12, and the protrusion 16 may be provided in plural. Specifically, the number of the protrusions 16 in the present invention may be 2, and the cooperation between the supporting protrusion 121 and the protrusion 16 can reduce the wear of the housing 1 when the refill 2 moves, and can make the movement of the refill 2 smoother. The mounting block of the replacement core 2 is composed of the first mounting plate 21 and the second mounting plate 22 which are buckled with each other, so that the replacement of the correction belt body or the replacement of the rolling and releasing mechanism is convenient, the use is convenient, and the design is reasonable. Specifically, the first mounting plate 21 and the second mounting plate 22 are detachably matched with each other by means of positioning holes and positioning columns. It should be noted that, in addition to the matching between the positioning hole and the positioning post, other conventional fastening structures may be adopted.

Further, the correction belt body and the winding and unwinding mechanism are both installed between the first installation plate 21 and the second installation plate 22, the gear mechanism is installed between the first installation plate 21 and the belt outlet wheel and the belt take-up wheel, the pressure nozzle 3 is fixedly installed between the first installation plate 21 and the second installation plate 22, and the operation end of the pressure nozzle 3 extends out of the replacement core 2.

The invention also comprises a first limiting structure for limiting the rotation of the belt outlet wheel and a second limiting structure for limiting the rotation of the belt take-up wheel, wherein the first limiting structure comprises a first tooth-shaped circumferential part 41 which is coaxially arranged with the belt outlet wheel and a first elastic rib 23 for limiting the movement of the first tooth-shaped circumferential part 41, and the first tooth-shaped circumferential part 41 is positioned between the belt outlet wheel and the second mounting plate 22; the second limiting structure comprises a second tooth-shaped circumferential part 42 and a second elastic rib 24, wherein the second tooth-shaped circumferential part 42 is coaxial with the belt retracting wheel, the second elastic rib is used for limiting the movement of the second tooth-shaped circumferential part 42, and the second tooth-shaped circumferential part 42 is positioned between the belt retracting wheel and the second mounting plate 22. Each of the first tooth-shaped circumferential portion 41 and the second tooth-shaped circumferential portion 42 may have an inner circumferential tooth shape or an outer circumferential tooth shape, a partial tooth shape or a closed-loop continuous tooth shape. In the present embodiment, each of the first tooth-shaped circumferential portion 41 and the second tooth-shaped circumferential portion 42 has a closed-loop continuous tooth shape, and the outer peripheral edge of the closed-loop continuous tooth shape has an outer peripheral tooth shape.

The second mounting plate 22 is provided with a first movable groove 221 corresponding to the first tooth-shaped circumferential portion 41, the first elastic rib 23 is arranged in the first movable groove 221, the first elastic rib 23 is provided with a first free end 231 and a first connecting end 232 connected with the groove wall of the first movable groove 221, the first free end 231 is provided with a first elastic rib lock 2311 and a first convex granule 2312 beneficial to being clamped with the tooth shape of the first tooth-shaped circumferential portion 41, the first elastic rib lock 2311 extends along the direction of the second shell 12, and the first convex granule 2312 extends along the direction of the first shell 11; the second mounting plate 22 is provided with a second movable groove 222 corresponding to the second tooth-shaped circumferential portion 42, the second elastic rib 24 is disposed in the second movable groove 222, the second elastic rib 24 has a second free end 241 and a second connecting end 242 connected to a groove wall of the second movable groove 222, the second free end 241 is provided with a second elastic rib lock 2411 and a second convex particle 2412 beneficial to being engaged with a tooth shape of the second tooth-shaped circumferential portion 42, the second elastic rib lock 2411 extends along the direction of the second housing 12, and the second convex particle 2412 extends along the direction of the first housing 11. It should be noted that the matching surfaces of the first protruding grain 2312 and the second protruding grain 2412 and the toothed disc are convexly provided with toothed teeth for facilitating engagement. Specifically, the first elastic rib 23 is arranged along the tangential direction or close to the tangential direction of the first tooth-shaped circumferential portion 41, the second elastic rib 24 is arranged along the tangential direction or close to the tangential direction of the second tooth-shaped circumferential portion 42, the shape and size of the first movable groove 221 only need to conform to the shape, size, elastic movement range and other adaptations of the first elastic rib 23, and the shape and size of the second movable groove 222 only need to conform to the shape, size, elastic movement range and other adaptations of the second elastic rib 24.

The second housing 12 is provided with a first pushing rib 14 at a position corresponding to the first resilient locking 2311 for promoting the elastic deformation of the first resilient rib 23 to the tooth-shaped separation of the first protrusion 2312 and the first tooth-shaped circumferential portion 41, and the second housing 12 is provided with a second pushing rib 15 at a position corresponding to the second resilient locking 2411 for promoting the elastic deformation of the second resilient rib 24 to the tooth-shaped separation of the second protrusion 2412 and the second tooth-shaped circumferential portion 42. The first pushing rib 14 and the second pushing rib 15 are provided on the inner side wall of the second housing 12, and are provided along the length direction of the second housing 12.

In the initial state where the pressure nozzle 3 is disposed in the first housing 1, the first protrusions 2312 engage with the first toothed circumferential portion 41 to restrict the pulley fixed to the first toothed circumferential portion 41 from reversely rotating in a direction causing the correction tape to loosen, thereby preventing the correction tape from loosening, i.e., the pulley is in a locked state. Similarly, the second protruding particles 2412 engage with the second tooth-shaped circumferential portion 42 to restrict the reverse rotation of the belt retracting wheel fixed with the second tooth-shaped circumferential portion 42 in the direction causing the belt body to loosen, so as to prevent the belt body from loosening, i.e. the belt retracting wheel is in a locked state. When the belt outlet wheel and the belt take-up wheel are both in a wheel locking state, the belt loosening phenomenon cannot easily occur even if the correction belt body is in a transportation state and the like.

When the device needs to be used, the movement control mechanism is pushed to enable the mounting block to move along the direction of the pressure nozzle 3, namely the first pushing rib 14 pushes the first elastic rib lock 2311 in the direction away from the pressure nozzle 3, so that the first elastic rib 23 is elastically deformed, and therefore the tooth-shaped teeth of the first convex particles 2312 are separated from the first tooth-shaped circumferential part 41, namely the belt outlet wheel is in an unlocked state; similarly, the second pushing rib 15 pushes the second elastic rib lock 2411 in the direction away from the pressing nozzle 3, so that the second elastic rib 24 is elastically deformed, and the tooth-shaped teeth of the second convex particles 2412 are separated from the second tooth-shaped circumferential portion 42, that is, the belt retracting wheel is in an unlocking state. In the use process of the correction tape, the first protruding grain 2312 and the second protruding grain 2412 are always limited by the first pushing rib 14 and the second pushing rib 15, and the belt outlet wheel and the belt take-up wheel are always in an unlocking state, so that the correction tape scribing function can be conveniently completed.

By adopting the design scheme, the invention has the beneficial effects that: the tooth-shaped teeth of the first convex particles 2312 are clamped with the first tooth-shaped circumferential part 41, and the tooth-shaped teeth of the second convex particles 2412 are clamped with the second tooth-shaped circumferential part 42, so that the reverse rotation of the belt outlet wheel and the reverse rotation of the belt take-up wheel are limited, namely the belt outlet wheel and the belt take-up wheel are both in a wheel locking state, and the belt loosening condition of the correction belt body is prevented; by pushing the movement control mechanism, the first pushing rib 14 and the second pushing rib 15 respectively press the first elastic rib lock 2311 and the second elastic rib lock 2411, the first elastic rib 23 and the second elastic rib 24 are elastically deformed, so that the tooth profile of the first convex particle 2312 is separated from the first tooth profile circumferential portion 41 and the tooth profile of the second convex particle 2412 is separated from the second tooth profile circumferential portion 42, that is, the belt outlet wheel and the belt take-up wheel are in an unlocked state, and the belt can be normally used. According to the invention, the correction belt body can be locked by the first elastic rib 23, the second elastic rib 24, the first elastic rib lock 2311, the second elastic rib lock 2411, the first convex particle 2312, the second convex particle 2412, the first tooth-shaped circumferential part 41 and the second tooth-shaped circumferential part 42, so that the correction belt body is not loosened in the conditions of transportation and the like, and the locking of the correction belt can be automatically unlocked by pushing the movement control mechanism, so that the belt can be smoothly scratched conveniently.

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.