Hidden buckle box

Abstract

The utility model relates to the technical field of locks, and discloses a hidden buckle box which comprises a buckle box body, a lining plate arranged on the buckle box body and a cover plate arranged on the lining plate. Wherein a through first spring bolt hole is formed in the middle of the lining plate, and a second spring bolt hole corresponding to the first spring bolt hole is formed in the cover plate; wherein supporting plates are arranged on the inner wall of the first spring bolt hole and the inner wall of the second spring bolt hole, and the height of the supporting plates is equal to the sum of the thickness of the lining plate and the thickness of the cover plate. The spring bolt abuts against the supporting plate, the lateral force of the spring bolt on the supporting plate is transmitted to the lining plate, direct abutting against the cover plate buckling hole is avoided, therefore, the stress of the cover plate buckling hole is reduced, and the cover plate is prevented from falling off, deforming or breaking due to stress.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lockset, specifically, relate to a hidden type buckle box. BACKGROUND

[0002] The existing buckle box is provided with a lining plate, and the lining plate is fixed on the door frame by screws. In order to cover the screws and make the appearance beautiful, a cover plate is additionally installed outside the lining plate. The cover plate has another hole opposite to the hole of the lining plate. The material on both sides of the hole of the cover plate is less, and the whole is made of plastic, which leads to low strength of the position on both sides of the hole of the cover plate. In actual use, if a pushing force is applied to open the door during the retraction of the lock tongue, the end of the lock tongue abuts against the inner wall of the hole of the cover plate and drives the inner wall of the cover plate to move away from the buckle box. Long-term use will cause the side of the hole of the cover plate to be raised, which easily leads to the falling of the cover plate, and in severe cases, the cover plate will be deformed or broken. SUMMARY

[0003] The utility model is made to solve the above technical problems, and aims at providing a hidden type buckle box, which effectively prevents the cover plate from falling and deforming, ensures the integrity of the cover plate, and improves the overall stability and safety of the door.

[0004] In order to achieve the above-mentioned purpose, in the first aspect, the utility model provides a hidden type buckle box, which comprises a buckle box body, a lining plate arranged on the buckle box body, and a cover plate arranged on the lining plate.

[0005] A first lock tongue hole is arranged in the middle of the lining plate, and a second lock tongue hole corresponding to the first lock tongue hole is arranged on the cover plate.

[0006] A support plate is arranged on the inner wall of the first lock tongue hole and the second lock tongue hole, and the height of the support plate is equal to the sum of the thickness of the lining plate and the thickness of the cover plate.

[0007] Preferably, a flange is arranged at the bottom of the support plate, and the flange is arranged between the buckle box body and the lining plate.

[0008] The flange is a square frame structure, and the support plate is arranged on the inner side of the flange.

[0009] The support plate abuts against the inner wall of the first lock tongue hole and the second lock tongue hole through the first lock tongue hole and the second lock tongue hole.

[0010] Preferably, the support plate is arranged on the lining plate.

[0011] Preferably, the support plate is arranged on both sides of the upper end of the buckle box body.

[0012] Preferably, the support plate and the lining plate are integrated.

[0013] Preferably, the lower end of the support plate is arranged in the first lock tongue hole, and the upper end of the support plate passes through the second lock tongue hole and abuts on the inner wall of the second lock tongue hole.

[0014] Preferably, the support plate and the buckle box body are integrated structures.

[0015] Preferably, a first cavity is arranged in the middle of the buckle box body, and the support plate is arranged on the first cavity.

[0016] The upper end of the support plate passes through the first lock tongue hole and the second lock tongue hole and abuts on the inner wall of the first lock tongue hole and the second lock tongue hole.

[0017] Preferably, the support plate is a square plate.

[0018] Preferably, fixing members are arranged at both ends of the lining plate, and the fixing members are used for fixing the lining plate on the door frame.

[0019] According to the above description and practice, the hidden buckle box has the following advantages:

[0020] 1. By abutting the lock tongue and the support plate, the lateral pressure borne by the cover plate buckle hole can be completely removed, thereby effectively preventing the cover plate from deforming or even breaking due to uneven stress. The support plate disperses the force originally concentrated on the cover plate buckle hole, ensuring the stability and safety of the structure. In actual application, not only the overall durability is improved, but also the service life of the equipment is greatly prolonged, so that the cover plate can maintain good form and function even under long-term external force.

[0021] 2. The lining plate can not only have a decorative effect, but also effectively protect the screws from being eroded by the external environment, prolonging the service life of the buckle box. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure schematic view of the hidden buckle box installed in an embodiment of the utility model.

[0023] Figure 2 It is a structure schematic view of each part of the hidden buckle box involved in an embodiment of the utility model.

[0024] Figure 3 It is a structure schematic view of each part of the hidden buckle box involved in another embodiment of the utility model.

[0025] Figure 4 It is a structure schematic view of each part of the hidden buckle box involved in another embodiment of the utility model.

[0026] The reference signs in the drawings are:

[0027] 1, buckle box body 2, lining plate

[0028] 21, first lock tongue hole 3, cover plate

[0029] 31, second lock tongue hole 4, support plate

[0030] 41, flange 5, fixing piece DETAILED DESCRIPTION

[0031] Exemplary embodiments now will be described more fully hereinafter with reference to the accompanying drawings; however, the exemplary embodiments can be implemented in any number of ways, and are not limited to the examples described herein. Rather, applications will serve to convey the teachings and concepts underlying the exemplary embodiments to skilled artisans in this or related fields, such that the applications to the progress in the art are fostered. Described features, structures, or characteristics can be combined in any suitable manner in one or more embodiments.

[0032] In addition, the accompanying drawings are only schematic and are not necessarily drawn to scale. Identical or similar components are denoted by the same reference signs throughout the drawings and a repeated description is omitted. It should be noted that the terms "comprises", "comprising", "has", "having", "includes", "including", "contains", "containing" or variants thereof are intended to mean a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises, has, includes, contains a list of elements or a combination thereof does not exclude other elements. The terms "first", "second", and the like do not denote any ordinal, quantity or order, but are used to distinguish different components. The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, merely indicate the orientation or position of the device or element as shown in the drawings, and are used for convenience and simplicity of description, and do not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.

[0033] Unless otherwise defined, the terms "mounting", "connected", "connecting" are to be construed broadly and can be a fixed connection, or a detachable connection, or an integral connection; can be a mechanical connection, or an electrical connection; can be a direct connection, or an indirect connection through an intermediate medium; can be a communication between the internal elements of two components. Those skilled in the art can understand the specific meaning of the above terms in the application according to the specific circumstances.

[0034] In view of the problems existing in the conventional emergency unlocking structure in the prior art, the utility model provides a hidden buckle box.

[0035] The specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0036] Disclosed in the embodiment is a hidden buckle box, Figure 1 The entire three-dimensional structure of the hidden buckle box is shown. Figure 2 The structure of each part of the hidden buckle box involved in the hidden buckle box is shown. Figure 3 The three-dimensional structure of each part of the hidden buckle box in another embodiment is shown. Figure 4 The structure of each part of the hidden buckle box involved in another embodiment is shown.

[0037] Generally, a backing plate 2 is used when installing the buckle box, which can protect the buckle box, prolong the service life of the buckle box, enhance the durability of the buckle box, increase the sealing property of the buckle box, prevent the door from shaking or loosening after being closed, and improve the overall stability and safety of the door. The backing plate 2 is generally fixed on the door frame by bolts, so a cover plate 3 is usually arranged on the backing plate 2 to cover the bolts. The cover plate 3 can be selected to match the color and material of the door or the door lock, so that it can be coordinated with the overall style of the door after installation, play a certain decorative role, and also cover the possible defects or unattractive parts of the buckle box and the backing plate 2 itself, improve the overall appearance of the door, and make the door look more delicate.

[0038] The cover plate 3 has another buckle hole opposite to the buckle hole of the backing plate 2, the material on both sides of the buckle hole of the cover plate 3 is less, and the buckle hole is generally made of plastic, resulting in low strength of the positions on both sides of the buckle hole of the cover plate 3. In the actual use process, if a pushing force is applied to open the door during the retraction of the lock tongue, the end of the lock tongue abuts against the inner wall of the buckle hole of the cover plate 3 and drives the inner wall of the cover plate 3 to move away from the buckle box. If this continues for a long time, the side of the buckle hole of the cover plate 3 will be warped, which can easily cause the cover plate 3 to fall off, and in severe cases, the cover plate 3 can be deformed or broken. Therefore, in order to prevent the cover plate 3 from falling off and deforming, it is necessary to reduce the lateral force on the buckle hole of the cover plate 3.

[0039] Please refer to Figures 1 to 4The utility model discloses a hidden type buckle box, which comprises a buckle box body 1, a lining plate 2 arranged on the buckle box body 1 and a cover plate 3 arranged on the lining plate 2. A first lock tongue hole 21 is arranged in the middle of the lining plate 2, and a second lock tongue hole 31 is arranged on the cover plate 3 and faces the first lock tongue hole 21. A support plate 4 is arranged on the inner walls of the first lock tongue hole 21 and the second lock tongue hole 31. The first lock tongue hole 21 and the second lock tongue hole 31 are square-shaped and have the same size, so as to facilitate the installation of the support plate 4. During the installation, the cover plate 3 is installed on the lining plate 2, so that the first lock tongue hole 21 and the second lock tongue hole 31 are overlapped, the two side edges of the first lock tongue hole 21 and the second lock tongue hole 31 are controlled to be on the same plane, and then the support plate 4 covers the inner walls of the first lock tongue hole 21 and the second lock tongue hole 31. During the retraction of the lock tongue, a pushing force is applied to open the door. By abutting the end of the lock tongue against the support plate 4, the lateral stress of the buckle hole of the cover plate 3 is completely removed, and the deformation or breakage of the cover plate 3 under stress is effectively prevented. The height of the support plate 4 is equal to the sum of the thickness of the lining plate 2 and the thickness of the cover plate 3, and the height direction of the support plate 4 is the same as the thickness direction from the inner side of the lining plate 2 to the outer side of the cover plate 3. The support plate 4 can prevent the lock tongue from abutting against the inner wall of the lock tongue hole due to the shortness of the support plate 4, which can cause the deformation and breakage of the cover plate 3. The support plate 4 can also avoid the difficulty in opening and closing the door lock due to the lengthiness of the support plate 4, thereby prolonging the service life of the buckle box.

[0040] In addition, in one embodiment, a flange 41 is arranged at the bottom of the support plate 4, and the flange 41 is arranged between the buckle box body 1 and the lining plate 2. The flange 41 is a quadrilateral frame, and the support plate 4 is arranged on the inner side of the flange 41. The support plate 4 abuts against the inner walls of the first lock tongue hole 21 and the second lock tongue hole 31 through the first lock tongue hole 21 and the second lock tongue hole 31. During the installation, the flange 41 is installed on the buckle box body 1, and then the lining plate 2 and the cover plate 3 are installed. The flange 41 abuts against the back of the lining plate 2, and after the installation, the flange 41 is located between the buckle box and the lining plate 2, thereby fixing the support plate 4. The flange 41 and the support plate 4 are integrated, and when the support plate 4 needs to be replaced due to damage, the flange 41 can be directly replaced, and then the lining plate 2 and the cover plate 3 are fixed again, which is convenient and simple to replace, and is conducive to improving the maintenance efficiency of the door lock and reducing the maintenance cost. In addition, the edge part of the flange 41 can be rounded to reduce the wear of the surrounding parts during the installation process and improve the durability of the overall structure.

[0041] Wherein, in another embodiment, the support plate 4 is arranged on the lining plate 2. Wherein, the support plate 4 and the lining plate 2 are integrated structure, this integrated design not only simplifies the manufacturing process, reduces the production cost, also improves the strength and rigidity of the whole structure. In the case of damage to the support plate 4, the integrated structure makes the replacement process more convenient, without disassembling the whole door lock structure, only need to replace the damaged lining plate 2 part, greatly shorten the maintenance time, reduce the influence on the equipment operation. Wherein, the lower end of the support plate 4 is arranged in the first lock tongue hole 21, the upper end of the support plate 4 passes through the second lock tongue hole 21 and abuts on the inner wall of the second lock tongue hole 21, so that the support plate 4 can be more evenly and stably dispersed when bearing external force, improve the durability and service life of the lock box, also improve the safety performance of the door lock, provide more reliable safety protection for the user.

[0042] Wherein, in another embodiment, the first cavity is arranged in the middle of the lock box body 1, and the support plate 4 is arranged on the first cavity. Wherein, the upper end of the support plate 4 passes through the first lock tongue hole 21 and the second lock tongue hole 31 and abuts on the inner wall of the first lock tongue hole 21 and the second lock tongue hole 31, so that the support plate 4 can stably bear and disperse various pressures generated by the lock tongue in the use process, not only enhance the stress resistance of the support plate 4, but also make the overall structure of the lock box more compact and reasonable, and effectively improve the durability and service life of the door lock, provide more stable and reliable safety protection for the user. Wherein, the support plate 4 and the lock box body 1 are integrated structure. In the replacement process, the technician need not disassemble the whole lock box complicatedly, only need to replace the damaged lock box body 1 accurately, so that the normal function of the door lock can be quickly restored. This design not only greatly shortens the maintenance time, but also effectively reduces the overall influence on the equipment operation, improves the maintenance efficiency and reliability of the door lock system.

[0043] Wherein, the fixing piece 5 is arranged at both ends of the lining plate 2, and the fixing piece 5 is used for fixing the lining plate 2 on the door frame. Wherein, the fixing piece 5 is a bolt, and the bolt connection has the characteristics of easy installation, which is suitable for the scene of quick installation and disassembly. According to the specific application requirement and operation environment, the appropriate connection mode is selected, so as to ensure the stable connection between the lining plate and the door frame, and the stability and reliability of the lock box structure. In the embodiment of the utility model, the lining plate is fixed on the door frame by bolts. In specific application, buckle and other fixing modes can be selected according to the actual situation, which is not limited to the fixing mode illustrated above, as long as the lining plate can be fixed on the door frame.

[0044] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A concealed clasp case, characterized by, The hidden buckle box comprises a buckle box body, a lining plate arranged on the buckle box body, and a cover plate arranged on the lining plate. A first lock tongue hole is arranged in the middle of the lining plate, and a second lock tongue hole corresponding to the first lock tongue hole is arranged on the cover plate. A support plate is arranged on the inner wall of the first lock tongue hole and the second lock tongue hole, and the height of the support plate is equal to the sum of the thickness of the lining plate and the thickness of the cover plate.

2. The hidden buckle box of claim 1, wherein A flange is arranged at the bottom of the support plate, and the flange is arranged between the buckle box body and the lining plate. The flange is a square box structure, and the support plate is arranged on the inner side of the flange. The support plate abuts against the inner wall of the first lock tongue hole and the second lock tongue hole through the first lock tongue hole and the second lock tongue hole.

3. The hidden buckle box of claim 1, wherein The support plate is arranged on the lining plate.

4. The hidden buckle box of claim 1, wherein The support plate is arranged on both sides of the upper end of the buckle box body.

5. The hidden buckle box of claim 3, wherein The support plate and the lining plate are integrated.

6. The hidden buckle box of claim 3, wherein The lower end of the support plate is arranged in the first lock tongue hole, and the upper end of the support plate passes through the second lock tongue hole and abuts against the inner wall of the second lock tongue hole.

7. The hidden buckle box of claim 4, wherein The support plate and the buckle box body are integrated.

8. The hidden buckle box of claim 4, wherein A first cavity is arranged in the middle of the buckle box body, and the support plate is arranged on the first cavity. The upper end of the support plate abuts against the inner wall of the first lock tongue hole and the second lock tongue hole through the first lock tongue hole and the second lock tongue hole.

9. The hidden buckle box of claim 1, wherein The support plate is a square plate.

10. The hidden buckle box of claim 1, wherein Fixing members are arranged at both ends of the lining plate, and the fixing members are used to fix the lining plate on a door frame. ​

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