Lock catch of storage sofa

Abstract

The utility model discloses a lock catch of a storage sofa, which relates to the technical field of locks and comprises a fixing plate, a spring bolt and a pinch plate mounted on the fixing plate, the pinch plate is rotatably mounted at the bottom of the fixing plate, the spring bolt is mounted on the upper side of the fixing plate, and the spring bolt is mounted on the upper side of the fixing plate. The spring bolt is composed of a vertical face used for fixing and a transverse face integrally connected to the bottom of the vertical face, and a right-triangle-shaped protrusion is arranged on the buckle plate. Only the pressing rod used for opening the lock catch is reserved on the outer surface of the sofa, installation and operation are easy and convenient, meanwhile, the situation that a conventional lock catch collides with a user to affect use can be well avoided, the lock catch is installed in the sofa, contact between the lock catch and the external environment can be reduced through the lock opening, the probability that the lock catch is damaged and corroded is reduced, and the sofa is not prone to rust; the service life of the lock catch is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of locks, in particular to a lock for a storage sofa. Background Art

[0002] In today's furniture market, many traditional furniture with only a single function can no longer meet the market's needs and lack competitiveness. Many sofa manufacturers will build storage space into the sofa to increase the sofa's practicality and market competitiveness. Currently, the lock tongues of many sofa locks on the market are installed exposed. When the storage sofa is opened or closed, the lock tongue is easy to hit the operator's head, and it is easy to be damaged and corroded if exposed to the outside for a long time, which urgently needs improvement. Utility Model Content

[0003] Purpose of the utility model: The technical problem to be solved by the utility model is to provide a lock for a storage sofa, which solves the problem that the existing locks are all installed on the outer surface and are prone to collision and damage.

[0004] Technical Solution

[0005] In order to solve the above problems, the technical solution provided by the present invention is as follows:

[0006] A lock for a storage sofa comprises a fixing plate and a locking tongue, and a gusset plate mounted on the fixing plate, wherein the gusset plate is rotatably mounted on the bottom of the fixing plate, and the locking tongue is mounted on the upper side of the fixing plate. The locking tongue consists of a vertical surface for fixing and a horizontal surface integrally connected to the bottom of the vertical surface, and a right-angled triangle protrusion is provided on the gusset plate.

[0007] Furthermore, the fixing plate is composed of a base plate located in the middle and mounting plates arranged on both sides of the fixing plate, and a connecting shaft hole is provided on the lower side of the mounting plate.

[0008] Furthermore, the gusset plate is composed of a pushing plate located in the middle and connecting plates located on the lower sides of both sides of the pushing plate, and the connecting plates are provided with matching shaft holes.

[0009] Furthermore, the matching rotation shaft hole of the gusset plate is aligned with the connecting rotation shaft hole of the fixing plate, and a rotation shaft is provided between the matching rotation shaft hole and the connecting rotation shaft hole.

[0010] Furthermore, a torsion spring is sleeved on the rotating shaft, and two brackets of the torsion spring are respectively supported on the gusset plate and the fixed plate, and the torsion direction of the torsion spring is opposite to the rotation direction of the gusset plate on the fixed plate.

[0011] Furthermore, a pressing rod is fixedly provided on the gusset plate, and the pressing rod is arranged perpendicular to the push plate and faces the fixed plate.

[0012] Furthermore, a through hole is provided on the fixing plate, and the pressing rod passes through the through hole.

[0013] Furthermore, the fixing plate and the lock tongue are both provided with connection holes, and the connection holes are evenly distributed on the fixing plate and the lock tongue.

[0014] Furthermore, the gusset plate is provided with a mounting through hole corresponding to the connecting hole of the fixing plate.

[0015] Beneficial effects

[0016] Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects:

[0017] The technical solution provided by the utility model is that the lock tongue, the fixing plate and the buckle plate are arranged inside the sofa, and only the pressing rod for opening the lock is reserved on the outer surface of the sofa. The installation and operation are simple and convenient. At the same time, it can well avoid the situation that the conventional lock will collide with the user and affect the use. Moreover, the lock is installed inside the sofa, and the lock mouth can also reduce the contact with the external environment, reduce the chance of damage and corrosion of the lock, is not easy to rust, and extend the life of the lock. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is an exploded view of Example 1 of the present utility model;

[0019] Figure 2 This is a schematic diagram of the assembly state of Example 1 of the utility model;

[0020] Figure 3 This is a closed cross-sectional view of the assembled state of Example 1 of the utility model;

[0021] Figure 4 This is a cross-sectional view of the assembled state of Example 1 of the utility model;

[0022] Figure 5 This is a schematic diagram of a sofa installed in a sofa according to Example 1 of the present invention;

[0023] Figure 6 This is a schematic diagram of the installation inside a sofa of Example 1 of the present utility model;

[0024] Figure 7 This is a cross-sectional view of the sofa installed in Example 1 of the present utility model;

[0025] Figure 8 This is a closed cross-sectional view of the interior of the sofa according to Example 1 of the present invention;

[0026] Figure 9 This is a cross-sectional view of a push-and-press rod in a sofa according to Example 1 of the present utility model;

[0027] Figure 10 This is a cross-sectional view of the sofa in Example 1 of the present invention when the pressing rod is opened and released;

[0028] Figure 11 This is a cross-sectional view of the sofa in Example 1 of the present invention when it is about to be closed. DETAILED DESCRIPTION

[0029] In order to make the technical solution of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] Example 1

[0031] Combined with attachment Figure 1-11 A lock for a storage sofa includes a fixing plate 10 and a lock tongue 20, and a buckle plate 30 installed on the fixing plate 10. The lock tongue 20 and the fixing plate 10 are respectively installed on the inner flap and the base of the opening side of the sofa. The buckle plate 30 is used to buckle the lock tongue 20. When the buckle plate 30 buckles the lock tongue, the sofa cannot be opened. After the buckle plate 30 is rotated toward the inside of the sofa on the fixing plate 10, the sofa can be opened.

[0032] The fixed plate 10 is composed of a base plate 11 located in the middle and mounting plates 12 arranged on both sides of the base plate 11. The base plate 11 and the mounting plate 12 are an integrated structure. The base plate 11 and the mounting plate 12 are arranged vertically. Connecting shaft holes 14 are provided on the lower sides of the mounting plates 12 on both sides. The connecting shaft holes 14 on the left and right sides are at the same corresponding height positions. The connecting shaft holes 14 are used to install the shaft 15. The fixed plate 10 is installed by the shaft mounting buckle plate 30 installed in the connecting shaft hole 14.

[0033] The gusset plate 30 is rotatably mounted on the fixed plate 10. The gusset plate 30 consists of a pushing plate 31 in the middle and connecting plates 32 located on the lower sides of the pushing plate 31. The connecting plates 32 are vertically arranged on both sides of the pushing plate 31. The pushing plate 31 and the connecting plates 32 are vertically arranged. A matching shaft hole 33 is provided on the connecting plate 31, and the matching shaft holes 33 on the left and right sides are at the same corresponding height position.

[0034] When the fixing plate 10 and the buckle plate 30 are installed, the connecting shaft holes 14 on the mounting plates 12 on the left and right sides are aligned and overlapped with the matching shaft holes 33 on the connecting plates 32 on the left and right sides. The internal and external relationship between the mounting plates 12 on both sides and the connecting plates 32 on both sides is not limited, and the connecting shaft holes 14 and the matching shaft holes 33 can be in the same corresponding position.

[0035] After the connecting shaft hole 14 and the matching shaft hole 33 are aligned, the shaft 15 is passed through the connecting shaft hole 14 and the matching shaft hole 33. At this time, the fixing plate 10 and the buckle plate 30 are assembled. The shaft 15 is inserted from the connecting shaft hole 14 and the matching shaft hole 33 on one side to between the connecting shaft hole 14 and the matching shaft hole 33 on the other side. A torsion spring 16 is sleeved on the shaft 15, forming an installation relationship of the connecting shaft hole 14 and the matching shaft hole 33 on one side, the torsion spring 16, and the connecting shaft hole 14 and the matching shaft hole 33 on the other side.

[0036] Two brackets are provided on the torsion spring 16 for transmitting the torsion force of the torsion spring 16. The two brackets of the torsion spring 16 are respectively abutted against the inner surfaces of the pinch plate 30 and the fixed plate 10 facing each other. The torsion direction of the torsion spring 16 is opposite to the rotation direction of the pinch plate 30 on the fixed plate 10, that is, when the fixed plate 10 and the pinch plate 30 are forced to rotate open, the torsion spring 16 absorbs and deforms to store torsion. When the fixed plate 10 and the pinch plate 30 are no longer under force, the torsion spring 16 releases the torsion force, causing the fixed plate 10 and the pinch plate 30 to rotate in the opposite direction and close again.

[0037] A protrusion 34 is provided on the buckle plate 30 located on the upper side of the connecting plate 32. The protrusion 34 protrudes from the connecting plate in the shape of a right triangle. The hypotenuse of the right triangle of the protrusion 34 faces the fixed plate 10. One side of the protrusion 34 overlaps with the connecting plate 32, and the other side of the protrusion is located on the lower side of the protrusion 34, that is, the bottom side. The thickness of the protrusion 34 on the connecting plate 32 is not limited.

[0038] The lock tongue 20 is installed on the upper side of the fixing plate 10, and the lock tongue 20 and the fixing plate 10 are installed on the two parts of the sofa. The lock tongue 20 consists of a vertical surface 21 for fixing and a horizontal surface 22 integrally connected to the bottom of the vertical surface. The lock tongue 20 is installed on the inner flap on the opening side of the sofa, and the fixing plate 10 is installed on the inner base on the opening side of the sofa.

[0039] A pressing rod 35 is fixed on the buckle plate 30. The pressing rod 35 is arranged perpendicular to the push plate 31 and faces the fixed plate 10. An elastic connecting piece can be used at the connection position between the pressing rod 35 and the buckle plate 30 so that the pressing rod 35 can be deflected at a certain angle on the buckle plate 30.

[0040] A through hole 18 is provided on the fixing plate 10. The through hole 18 is used to allow the pressing rod 35 to pass through the through hole 18 after the buckle plate 30 is installed on the fixing plate 10. When the fixing plate 10 is installed on the sofa, a through hole is also provided at a position corresponding to the through hole 18 on the sofa for the pressing rod 35 to pass through. One end of the pressing rod 35 is fixed to the buckle plate 30, and the other end passes through the sofa. The through hole 18 and the through hole on the sofa are interference fit with the pressing rod 35. At this time, the pressing rod 35 can swing slightly within the through hole 18 and the through hole on the sofa.

[0041] The fixing plate 10 and the locking tongue 20 are both provided with connection holes 40, which are evenly distributed on the fixing plate 10 and the locking tongue 20. The user can use the connection holes 40 to fix the fixing plate 10 and the locking tongue 20 to the sofa. The fixing method can be screwed. The gusset plate 30 is provided with mounting holes corresponding to the connection holes of the fixing plate 10, so that the user can easily fix the fixing plate 10 to the sofa after the gusset plate 30 is installed on the fixing plate 10.

[0042] When in use, the fixing plate 10 with the buckle plate 30 is screwed to the inner surface of the base on the opening side of the sofa. The sofa is provided with a through hole for the pressing rod 35 to extend, and the lock tongue 20 is screwed to the inner surface of the flap on the opening side of the sofa. When the sofa does not need to be opened or closed, the flap will drive the lock tongue 20 to fall during the closing process of the open sofa. The transverse surface 22 of the lock tongue 20 contacts the inclined surface of the protrusion 34. At this time, the lock tongue 20 moves downward through the transverse surface 22 while pushing the buckle plate 30 to rotate toward the inside of the sofa, thereby opening the buckle plate 30 and the fixing plate 10 until the transverse surface 22 of the lock tongue 20 passes over the bottom edge of the protrusion 34 at the bottom. At this time, the torsion spring 16 on the rotating shaft 15 releases the torque stored in the buckle plate 30 to rotate inwardly of the sofa, that is, the buckle plate 30 and the fixing plate 10 are re-fastened, and the bottom plate of the protrusion 34 is stuck on the transverse surface 22 of the lock tongue 20. In this state, the sofa cannot be directly opened.

[0043] When the sofa needs to be opened, the user pushes or pushes the pressing rod 35 to move inwardly of the sofa. The pressing rod 35 moves inwardly of the sofa to push the buckle plate 30 to move inwardly of the sofa, thereby moving the bottom plate of the protrusion 34 out from the transverse surface 22 of the locking tongue 20. At this time, the sofa can be opened freely.

[0044] The user releases the pressing rod 35, and the flap of the sofa descends, locking the sofa again.

[0045] The lock of the present technical solution is not only applicable to sofas, but can also be used for other types of components with opening and closing functions, hollow structures and storage functions, for example, various types of boxes and the like.

[0046] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A lock for a storage sofa, characterized in that: It includes a fixed plate and a lock tongue, and a buckle plate installed on the fixed plate. The buckle plate is rotatably installed at the bottom of the fixed plate, and the lock tongue is installed on the upper side of the fixed plate. The lock tongue consists of a vertical surface for fixing and a horizontal surface integrally connected to the bottom of the vertical surface. A right-angled triangle protrusion is provided on the buckle plate.

2. The lock of a storage sofa according to claim 1, characterized in that: The fixing plate is composed of a base plate located in the middle and mounting plates arranged on both sides of the fixing plate, and a connecting shaft hole is provided on the lower side of the mounting plate.

3. The lock of a storage sofa according to claim 2, characterized in that: The gusset plate is composed of a pushing plate located in the middle and connecting plates located on the lower sides of both sides of the pushing plate, and the connecting plates are provided with matching shaft holes.

4. The lock of a storage sofa according to claim 3, characterized in that: The matching rotating shaft hole of the gusset plate is aligned with the connecting rotating shaft hole of the fixing plate, and a rotating shaft is provided between the matching rotating shaft hole and the connecting rotating shaft hole.

5. The lock of a storage sofa according to claim 4, characterized in that: A torsion spring is sleeved on the rotating shaft, and two brackets of the torsion spring are respectively supported on the gusset plate and the fixed plate. The torsion direction of the torsion spring is opposite to the rotation direction of the gusset plate on the fixed plate.

6. The lock of a storage sofa according to claim 3, characterized in that: A pressing rod is fixedly provided on the gusset plate, and the pressing rod is arranged perpendicular to the pushing plate and faces the fixing plate.

7. The lock of a storage sofa according to claim 6, characterized in that: The fixing plate is provided with a through hole, and the pressing rod passes through the through hole.

8. The lock of a storage sofa according to claim 1, characterized in that: The fixing plate and the lock tongue are both provided with connection holes, and the connection holes are evenly distributed on the fixing plate and the lock tongue.

9. The lock of a storage sofa according to claim 8, characterized in that: The gusset plate is provided with a mounting through hole corresponding to the connecting hole of the fixing plate.

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