CN116101627A

CN116101627A - Self-locking lock catch with protection function

Info

Publication number: CN116101627A
Application number: CN202310389619.5A
Authority: CN
Inventors: 缪金明; 缪科飞; 沈静
Original assignee: Jiangsu Ju Hong Bundle Bring Manufacturing Co ltd
Current assignee: Jiangsu Ju Hong Bundle Bring Manufacturing Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-05-12
Anticipated expiration: 2043-04-13
Also published as: CN116101627B

Abstract

The invention belongs to the technical field of locking equipment, in particular to a self-locking type lock catch with a protection function, which comprises a back plate and a pressing plate; the pressing plate is used for pressing and fixing a pair of sealing plates at the top of the carton, the pressing plate is vertically and fixedly connected to one end of the backboard, the backboard is connected to the outer side face of the carton, a connecting hole matched and connected with the backboard is formed in the side face of the carton, a pair of elastic hook rods matched and connected with the connecting hole are fixedly connected to the surface of the backboard, and a first hook body used for hooking the inner side face of the carton is arranged at the end part of each elastic hook rod; according to the self-locking buckle, the back plate and the pressing plate are arranged, the back plate is arranged on the side face of the paper box, the pressing plate presses and fixes the sealing plate at the top of the paper box, the traditional adhesive tape is replaced for packaging the paper box, the paper box is convenient to detach, the paper box can be well preserved after being detached, the paper box cannot be damaged, and the paper box can be recycled.

Description

Self-locking lock catch with protection function

Technical Field

The invention relates to the technical field of locking equipment, in particular to a self-locking type lock catch with a protection function.

Background

The sound logistics system brings qualitative leap to life at present, and the paper box plays an important role corresponding to logistics package, and the paper box package is widely used in various industries and has the advantages of environmental protection, recoverability, light weight, foldability, low transportation cost, capability of realizing exquisite printing and the like; low cost, high productivity and sufficient raw materials compared with the main other packaging types (plastic and wood). Based on the above advantages, carton packages will be irreplaceable for the next decades. At present, the industries of global refrigerators, washing machines, cabinet air conditioners and the like, such as white household appliances, household bottom boards and the like, basically adopt cartons as outer packages.

At present, the paper box seals on the market are commonly sealed by adhesive tapes, a large amount of adhesive tapes are consumed for sealing a paper box, the adhesive tapes are required to be broken by means of foreign objects during opening, the surfaces of the paper boxes can be damaged after the adhesive tapes are torn off, most of the paper boxes cannot be reused after being detached due to the damage of the paper boxes, and resources are wasted.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the self-locking lock catch with the protection function, the carton is sealed and fixed in a locking manner, the disassembly of the carton is simple, and the technical problem of damage of the carton after disassembly in the background art is solved.

In order to achieve the technical aim, the invention provides a self-locking lock catch with a protection function, which comprises a back plate and a pressing plate; the clamp plate is used for compressing tightly fixedly to a pair of shrouding at carton top, clamp plate perpendicular fixed connection is in the one end of backplate, the backplate is connected at the carton lateral surface, the carton side be equipped with the connecting hole of backplate cooperation connection, backplate fixed surface be connected with a pair of with the elasticity of connecting hole cooperation connection colludes the pole, the tip of elasticity colludes the pole is equipped with and is used for colluding tightly the first colluder of carton medial surface.

As a preferable technical scheme of the invention, the surface of the back plate is fixedly connected with rotating fulcrums of semicircular column structures corresponding to the elastic hook rods one by one, the rotating fulcrums are contacted with the outer side surface of the paper box, and the first hook body is provided with an arc surface structure corresponding to the rotating fulcrums.

As a preferable technical scheme of the invention, the back plate is fixedly connected with a U-shaped elastic support, the elastic support is arranged in the carton, and the upper end of the elastic support is fixedly connected with a top plate which is contacted with the top of the carton.

As a preferable technical scheme of the invention, the lower end of the elastic support is connected with a supporting rod, the lower end of the supporting rod is fixedly connected with a U-shaped elastic clamping frame, the side surface of the paper box is provided with a clamping hole which is matched and connected with the elastic clamping frame, and the end part of the elastic clamping frame is provided with a second hook body which is used for clamping the outer side surface of the paper box.

As a preferable technical scheme of the invention, a sliding groove is arranged on the surface of the backboard, a sliding frame capable of sliding is connected in the sliding groove, a pressing frame is fixedly connected to the sliding frame, and the pressing frame is used for separating the elastic clamping frame from the clamping hole.

As a preferable technical scheme of the invention, the two ends of the pressing frame are provided with pressing parts of wedge-shaped structures matched with the second hook body.

As a preferable technical scheme of the invention, a connecting frame is fixedly connected between the sliding frame and the back plate, a V-shaped breaking groove is arranged on the connecting frame, and a convex plate is fixedly connected on the sliding frame.

As a preferable technical scheme of the invention, the surface of the backboard is fixedly connected with a supporting part matched with the lower end of the connecting hole, and the surface of the backboard is fixedly provided with a baffle bar matched with the inner walls at two sides of the connecting hole.

As a preferable technical scheme of the invention, the lower surface of the pressing plate is fixedly connected with a waterproof strip, and the two sides of the pressing plate are fixedly connected with extension plates.

As a preferable technical scheme of the invention, the supporting rod is rotationally connected with the elastic support, a baffle plate for limiting the supporting rod is fixedly connected to the elastic support, and the baffle plate is arranged on one side, close to the backboard, of the supporting rod.

The beneficial effects of the invention are as follows:

1. according to the self-locking buckle, the back plate and the pressing plate are arranged, the back plate is arranged on the side face of the paper box, the pressing plate presses and fixes the sealing plate at the top of the paper box, the traditional adhesive tape is replaced for packaging the paper box, the paper box is convenient to detach, the paper box can be well preserved after being detached, the paper box cannot be damaged, and the paper box can be recycled.

2. According to the invention, the rotating pivot is arranged on the surface of the backboard, the backboard can rotate in a small range with the rotating pivot, the elastic support is fixedly connected to the surface of the backboard, the upper end and the lower end of the elastic support are respectively connected with the top plate and the elastic clamping frame, and the elastic clamping frame is clamped in the clamping hole on the side surface of the carton, so that the pressing plate can be tightly pressed on the carton sealing plate, and the effect of tightly pressing and fixing the carton sealing plate is ensured.

3. According to the invention, the sliding groove is formed in the back plate, the sliding frame is connected in the sliding groove in a sliding manner, the pressing frame is fixedly connected to the sliding frame, and the elastic clamping frame can be pressed by the sliding pressing frame, so that the elastic clamping frame can be separated from the clamping hole, and the clamping lock is convenient to detach from the carton.

Drawings

Fig. 1 is a schematic structural diagram of a self-locking latch with protection function according to the present invention.

Fig. 2 is a schematic structural diagram of a back plate according to the present invention.

FIG. 3 is another angular schematic view of the back plate of the present invention.

FIG. 4 is a schematic view of the structure of the platen of the present invention.

Fig. 5 is a schematic view of the self-locking clasp of the present invention mounted on a carton.

Fig. 6 is a schematic cross-sectional view of the self-locking clasp of the present invention mounted on a carton.

Fig. 7 is a schematic view of the structure of the carton of the present invention.

In the figure: 1. a back plate; 2. a pressing plate; 201. a waterproof strip; 202. an extension plate; 3. a carton; 301. a connection hole; 302. a clamping hole; 4. an elastic support; 401. a top plate; 5. a support rod; 6. an elastic clamping frame; 601. a second hook body; 7. an elastic hook rod; 701. a first hook body; 8. a support part; 9. a rotation fulcrum; 10. a barrier strip; 11. a chute; 12. a carriage; 13. a pressing frame; 14. a pressing part; 15. a connecting frame; 16. breaking the groove; 17. a convex plate; 18. and a baffle.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Examples: as shown in fig. 1-7, the invention is a self-locking lock catch with a protection function, each part of the lock catch is made of elastic plastic material and comprises a back plate 1 and a pressing plate 2, and the pressing plate 2 is vertically and fixedly connected with one end of the back plate 1; the pressing plate 2 is used for pressing and fixing a pair of sealing plates at the top of the carton 3, the backboard 1 is arranged on the outer side face of the carton 3, and the side face of the carton 3 is provided with a connecting hole 301 which is matched with the backboard 1; through installing backplate 1 at connecting hole 301, connecting hole 301's length and width are less than backplate 1, and clamp plate 2 compresses tightly fixedly to a pair of shrouding at carton top, reaches the purpose to the carton encapsulation.

As shown in fig. 2-3, the surface of the back plate 1 is fixedly connected with a pair of elastic hook rods 7 which are matched and connected with the connecting holes 301, the surfaces of the elastic hook rods 7 are in contact with the inner walls of the connecting holes 301, the end parts of the elastic hook rods 7 are provided with first hook bodies 701 for hooking the inner sides of the cartons 3, the first hook bodies 701 are of wedge-shaped structures, the surfaces of the first hook bodies are provided with oblique sliding surfaces, the edges of the first hook bodies slide into the connecting holes 301, the two elastic hook rods 7 can bend inwards to a certain extent, the elastic hook rods are conveniently installed on the connecting holes 301, the surfaces of the back plate 1 are fixedly connected with rotating fulcrums 9 of semicircular column structures corresponding to the elastic hook rods 7 one by one, the rotating fulcrums 9 are in contact with the outer sides of the cartons 3, the back plate 1 can rotate within a small range, when the side direction of the back plate 1 is close to the direction of the cartons 3, the pressing plates 2 can be driven to be tightly pressed on the upper surfaces of the cartons 3, the packaging effects of the cartons are guaranteed, and the cambered surface structures corresponding to the rotating fulcrums 9 are arranged on the first hook bodies 701, and the inner sides of the cartons are contacted with the inner sides of the cartons.

The back plate 1 is fixedly connected with a U-shaped elastic support 4, the elastic support 4 can deform in a small range in the vertical direction, the elastic support 4 is arranged in the paper box 3, the upper end of the elastic support 4 is fixedly connected with a top plate 401 which is in contact with the top of the paper box 3, the top plate 401 is an arc plate, the lower end of the elastic support 4 is connected with a support rod 5, the lower end of the support rod 5 is fixedly connected with a U-shaped elastic clamping frame 6, the elastic clamping frame 6 is horizontally arranged, the side surface of the paper box 3 is provided with a clamping hole 302 which is in matched connection with the elastic clamping frame 6, the clamping hole 302 is a strip-shaped hole, the clamping hole 302 is arranged under the connecting hole 301, the width of the clamping hole 302 is the same as that of the elastic clamping frame 6, the width of the clamping hole 302 is smaller than that of the connecting hole 301, the end part of the elastic clamping frame 6 is provided with a second hook body 601 which is used for clamping the outer side surface of the paper box 3, the second hook body 601 is the same as the first hook body 701, the purpose of fixing the back plate 1 is achieved by clamping the elastic clamping frame 6 in the clamping hole 302, and the pressing plate 2 can be tightly pressed on the top surface of the paper box 3; wherein, the supporting rod 5 is rotationally connected with the elastic support 4, the elastic support 4 is fixedly connected with a baffle 18 for limiting the supporting rod 5, and the baffle 18 is arranged at one side of the supporting rod 5 close to the backboard 1; the elastic clamping frame 6 can be retracted and put down, and the elastic support 4 and the elastic clamping frame 6 can conveniently pass through the connecting hole 301 during installation, so that the backboard 1 can be conveniently installed and disassembled; the elastic clamping frame 6 is clamped in the clamping hole 302 to perform specific operation: the pressing plate 2 is pressed downwards to contact with the top plate 401, so that the elastic support 4 is driven to bend downwards, the elastic clamping frame 6 passes through the clamping hole 302, and the second hook body 601 is clamped outside the clamping hole 302.

Preferably, the surface of the backboard 1 is fixedly connected with a supporting part 8 matched with the lower end of the connecting hole 301, the supporting part 8 plays a role in supporting and limiting the backboard 1, the surface of the backboard 1 is fixedly provided with barrier strips 10 matched with the inner walls at two sides of the connecting hole 301, and the barrier strips 10 play a role in sealing the connecting hole 301.

Preferably, the outer surface of the backboard 1 is provided with a chute 11, a slidable sliding frame 12 is connected in the chute 11, a pressing frame 13 is fixedly connected to the sliding frame 12, pressing parts 14 of wedge-shaped structures matched with the second hook body 601 are arranged at two ends of the pressing frame 13, after the pressing frame 13 slides downwards, the pressing parts 14 are contacted with the second hook body 601 to drive two ends of the elastic clamping frame 6 to shrink towards the middle, so that the elastic clamping frame can be separated from the clamping hole 302, and the detachment of the lock catch is facilitated; and fixedly connected with link 15 between carriage 12 and backplate 1, be equipped with the rupture groove 16 of V-arrangement on the link 15, and fixedly connected with flange 17 on the carriage 12, during operation, the hand presses down flange 17, breaks link 15 from rupture groove 16 to make carriage 12 can slide in spout 11, and whether can judge through link 15 whether carton 3 is taken apart in the in-process of transporting, so that guarantee that customer's article is complete, play the effect of protection.

As shown in fig. 4, the lower surface of the pressing plate 2 is fixedly connected with a waterproof strip 201, the waterproof strip 201 contacts with the surface of the sealing plate, water is prevented from entering the carton 3, and extension plates 202 are fixedly connected to the two sides of the pressing plate 2, so that the effect of compressing the carton sealing plate is further achieved.

The self-locking lock catch provided by the invention is required to be specially matched with the paper box 3 in the embodiment, the side surface of the paper box 3 is required to be provided with the connecting hole 301 and the clamping hole 302, and when the self-locking lock catch is installed, four lock catches are installed on each paper box 3, and the upper surface and the lower surface of the paper box 3 are respectively packaged; the lengths of the two lock catch upper pressing plates of each surface can just contact, so that the carton 3 is fully sealed; the self-locking lock catch replaces the existing adhesive tape to package the paper box, is easy to detach, avoids damage to the paper box 3 during detachment, and is favorable for repeated use of the paper box.

Finally, it should be noted that: in the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.

The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The self-locking lock catch with the protection function is characterized by comprising a back plate (1) and a pressing plate (2);

the pressing plate (2) is used for pressing and fixing a pair of sealing plates at the top of the carton (3), the pressing plate (2) is vertically and fixedly connected to one end of the backboard (1), the backboard (1) is connected to the outer side face of the carton (3), and a connecting hole (301) matched and connected with the backboard (1) is formed in the side face of the carton (3);

the surface of the backboard (1) is fixedly connected with a pair of elastic hook rods (7) which are matched and connected with the connecting holes (301), and a first hook body (701) for hooking the inner side surface of the carton (3) is arranged at the end part of each elastic hook rod (7).

2. The self-locking lock catch with the protection function according to claim 1, wherein a rotating fulcrum (9) of a semicircular column structure corresponding to the elastic hook rod (7) one by one is fixedly connected to the surface of the back plate (1), the rotating fulcrum (9) is in contact with the outer side face of the carton (3), and an arc surface structure corresponding to the rotating fulcrum (9) is arranged on the first hook body (701).

3. The self-locking lock catch with the protection function according to claim 2, wherein a U-shaped elastic support (4) is fixedly connected to the back plate (1), the elastic support (4) is arranged inside the carton (3), and a top plate (401) contacted with the top of the carton (3) is fixedly connected to the upper end of the elastic support (4).

4. The self-locking lock catch with the protection function according to claim 3, wherein a supporting rod (5) is connected to the lower end of the elastic support (4), a U-shaped elastic clamping frame (6) is fixedly connected to the lower end of the supporting rod (5), a clamping hole (302) matched and connected with the elastic clamping frame (6) is formed in the side face of the paper box (3), and a second hook body (601) used for clamping the outer side face of the paper box (3) is arranged at the end portion of the elastic clamping frame (6).

5. The self-locking lock catch with the protection function according to claim 4, wherein a sliding groove (11) is formed in the surface of the back plate (1), a sliding frame (12) capable of sliding is connected to the sliding groove (11), a pressing frame (13) is fixedly connected to the sliding frame (12), and the pressing frame (13) is used for separating the elastic clamping frame (6) from the clamping hole (302).

6. The self-locking buckle with protection function according to claim 5, wherein the two ends of the pressing frame (13) are provided with pressing parts (14) of wedge-shaped structures matched with the second hook body (601).

7. The self-locking lock catch with the protection function according to claim 6, wherein a connecting frame (15) is fixedly connected between the sliding frame (12) and the back plate (1), a V-shaped breaking groove (16) is formed in the connecting frame (15), and a convex plate (17) is fixedly connected to the sliding frame (12).

8. The self-locking lock catch with the protection function according to claim 7, wherein a supporting part (8) matched with the lower end of the connecting hole (301) is fixedly connected to the surface of the back plate (1), and barrier strips (10) matched with the inner walls on two sides of the connecting hole (301) are fixedly arranged on the surface of the back plate (1).

9. The self-locking lock catch with the protection function according to claim 8, wherein a waterproof strip (201) is fixedly connected to the lower surface of the pressing plate (2), and extension plates (202) are fixedly connected to two sides of the pressing plate (2).

10. The self-locking lock catch with the protection function according to claim 9, wherein the supporting rod (5) is rotatably connected with the elastic support (4), a baffle (18) for limiting the supporting rod (5) is fixedly connected to the elastic support (4), and the baffle (18) is arranged on one side, close to the back plate (1), of the supporting rod (5).