Spring bolt assembly and lock

Abstract

The utility model discloses a spring bolt assembly and a lockset, relates to the technical field of locksets, and improves the durability of a spring bolt. The bolt body is fixedly mounted on the spring bolt seat; wherein the guide inclined surface of the bolt body is exposed out of the spring bolt seat and is used for being in contact with a lock catch; and during locking, the spring bolt seat is propped against the lock catch. Due to the fact that the spring bolt assembly designed in a separated mode is adopted, the bolt body and the spring bolt base are separated, different materials can be selected or different treatments can be carried out according to the stress conditions of different parts, and therefore the durability of the spring bolt is improved.

Description

Technical Field

[0001] The present application relates to the technical field of locks, and in particular to a bolt assembly and a lock. Background Art

[0002] At present, locks are widely used in various industries, such as generator sets, truck compartment doors, etc.

[0003] The existing Chinese patent with application number CN202120198561.2 discloses an existing lock, including a lock body panel, a lock body handle, a telescopic lock tongue and a lock core structure; a lock body handle and a telescopic lock tongue are respectively provided on both sides of the lock body panel; a lock core structure is provided on the lock body handle; a rotating pin and a reset spring are provided inside the lock body handle, and the lock body handle is connected to the lock body panel through the rotating pin and the reset spring, and a lock tongue guide cover plate is provided outside the telescopic lock tongue, and the telescopic lock tongue is connected to the lock body panel through the lock tongue guide cover plate and the lock tongue spring.

[0004] The locking end of the lock tongue mainly includes a guiding inclined surface for extension and a locking surface for locking. That is, when in use, it is mainly guided by the inclined surface at the front end of the lock tongue, and locked by the side of the front end of the lock tongue away from the inclined surface against the lock buckle. Therefore, when in use, the force applied to the two parts of the front end of the lock tongue is different. In comparison, the guiding inclined surface of the lock tongue mainly bears the friction force during contact, and the locking surface of the lock tongue mainly bears the overall impact force.

[0005] However, the existing lock tongue is made of the same material in an integrated manner, and the strength of each position is the same, which makes it difficult to adjust according to the stress conditions of different parts, and the overall durability is low. Utility Model Content

[0006] In order to improve the durability of a lock tongue, the present application provides a lock tongue assembly and a lock.

[0007] In a first aspect, the present application provides a bolt assembly, which adopts the following technical solution:

[0008] A lock tongue assembly comprises a lock tongue seat; a tongue body fixedly mounted on the lock tongue seat; wherein the guide inclined surface of the tongue body is exposed outside the lock tongue seat for contacting with a lock buckle; when locked, the lock tongue seat and the lock buckle are against each other.

[0009] By adopting the above technical solution, the separately designed lock tongue assembly separates the tongue body from the lock tongue seat, and different materials or different treatments can be selected according to the stress conditions of different parts, thereby improving the durability of the lock tongue.

[0010] Optionally, a positioning block is fixed on the side of the tongue body away from the guide slope, and a positioning opening cooperating with the positioning block is opened on the lock tongue seat, and the positioning block is clamped in the positioning opening; the lock tongue seat is provided with a pressing piece for fixing the tongue body.

[0011] By adopting the above technical solution, the positioning block is clamped in the positioning opening to ensure that the tongue can be firmly installed on the lock tongue seat. In addition, the lock tongue seat is also provided with a pressing sheet for fixing the tongue, which further enhances the stability of the tongue.

[0012] Optionally, the lock tongue seat is further provided with a first stopper; when the positioning block of the tongue body is inserted into the positioning opening, the first stopper contacts the tongue body.

[0013] By adopting the above technical solution, during the installation process, when the positioning block of the tongue body is inserted into the positioning hole, the first stopper will contact the tongue body and provide support for it. During use, the first stopper can effectively prevent the tongue body from shaking or falling off, thereby improving the stability and durability of the lock tongue assembly.

[0014] Optionally, the tongue body is a hollow structure.

[0015] Optionally, the lock tongue assembly also includes a stabilizing seat, which is connected to one end of the lock tongue seat away from the tongue body; the lock tongue seat includes a base plate and two parallel side plates; the stabilizing seat includes a vertically connected stabilizing plate and a support arm, the end of the support arm is plugged into the base plate, and the stabilizing plate is plugged into the two side plates.

[0016] By adopting the above technical solution, the stabilizing seat can improve the structural strength of the lock tongue seat.

[0017] Optionally, a connecting piece is fixed to a side of the support arm away from the tongue body.

[0018] Optionally, a material-saving opening is provided at the bottom of the lock tongue seat.

[0019] By adopting the above technical solution, materials can be saved and processing costs can be reduced.

[0020] In a second aspect, the present application provides a lock, which adopts the following technical solution:

[0021] A lock comprises the above-mentioned lock tongue assembly, the lock comprises a lock seat, a handle, a movable shaft and a mounting plate fixed on the inner side of the lock seat, a slide groove is provided on the side of the mounting plate close to the lock seat; the lock tongue seat is slidably connected in the slide groove; the handle is rotatably connected to the groove of the lock seat through a rotating shaft, and is used to control the lock tongue assembly to switch between the states of the switch lock.

[0022] In summary, the present application includes at least one of the following beneficial effects:

[0023] Since the present invention adopts a separately designed lock tongue assembly, the tongue body is separated from the lock tongue seat, and different materials or different treatments can be selected according to the stress conditions of different parts, thereby improving the durability of the lock tongue. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic diagram of the overall structure of Example 1;

[0025] Figure 2 is an exploded schematic diagram of Example 1;

[0026] Figure 3 is a cross-sectional schematic diagram of embodiment 1;

[0027] Figure 4 is a schematic diagram of the overall structure of Example 2;

[0028] Figure 5 This is a schematic diagram of the structure of the inner side of the lock seat in Example 2;

[0029] Figure 6 is an exploded schematic diagram of the movable bottom plate of embodiment 2;

[0030] Figure 7 It is a partial cross-sectional schematic diagram of Example 2.

[0031] Description of reference numerals:

[0032] 1. Lock seat; 11. Opening; 12. Limit buckle;

[0033] 1.Handle; 21.Push block;

[0034] 2. Mounting plate; 31. Slide groove; 32. Guide hole; 33. Movable hole; 34. Retaining edge;

[0035] 3. Lock tongue assembly; 41, lock tongue seat; 411, bottom plate; 4111, positioning port; 4112, material-saving port; 4113, first stopper; 4114, second stopper; 412, side plate; 4121, pressing piece; 4122, slot; 42, tongue body; 421, positioning block; 422, card slot; 43, stabilizing seat; 431, stabilizing plate; 432, support arm; 4321, connecting piece;

[0036] 4. Lock body assembly; 51, lock core seat; 52, lock core; 53, shift block; 54, lock body nut; 55, lock cap; 56, screw;

[0037] 5. Elastic parts;

[0038] 6. Movable axis;

[0039] 7. Movable bottom plate; 81. Unlocking block; 82. Stop hook; 83. Limiting hole; 84. Locking plate. DETAILED DESCRIPTION

[0040] The present application is further described in detail below in conjunction with the accompanying drawings.

[0041] Embodiment 1:

[0042] Embodiment 1 of the present application discloses a locking tongue assembly. Figure 1 , 2 The bolt assembly 4 includes a bolt seat 41 and a tongue body 42. The bolt seat 41 includes a bottom plate 411 and two parallel side plates 412. The tongue body 42 is installed at the locking end of the bolt seat 41 and is half-wrapped by the bottom plate 411 and the two side plates 412, with only the guide slope of the tongue body 42 exposed. When in use, the tongue body 42 can contact the lock buckle and push the bolt seat 41 to retract into the lock. When locked, the bolt seat 41 and the lock buckle are pressed against each other.

[0043] Therefore, through the split design, the tongue body 42 and the lock tongue seat 41 can be designed and manufactured independently of each other, and the materials can be selected according to the usage scenario and needs. For example, the tongue body 42 can be made of wear-resistant plastic to reduce costs, and the lock tongue seat 41 can be made of steel with higher hardness to ensure impact resistance when locked.

[0044] Reference Figure 2 , 3 A positioning block 421 is integrally formed on the side of the tongue body 42 away from the guide slope, a positioning opening 4111 adapted to the positioning block 421 is opened on the lock tongue seat 41, and a pressing piece 4121 bent inwardly is integrally formed on the two side plates 412 of the lock tongue seat 41, and a slot 422 for the pressing piece 4121 to be inserted is opened on the tongue body 42.

[0045] During installation, the positioning block 421 of the tongue 42 is inserted into the positioning opening 4111 , and then the pressing piece 4121 is bent toward the direction of the tongue 42 slot 422 , so that the tongue 42 can be fixed on the lock tongue seat 41 by the pressing piece 4121 against the tongue 42 .

[0046] Reference Figure 3 The middle part of the bottom plate 411 of the lock tongue seat 41 is also provided with a material-cutting opening 4112. The lock tongue seat 41 is integrally formed with a first stopper 4113 at the edge of the material-cutting opening 4112 close to the tongue body 42, so as to facilitate the alignment and installation of the positioning block 421 of the tongue body 42 in the positioning opening 4111, and also to improve the installation stability of the tongue body 42. The lock tongue seat 41 is integrally formed with a second stopper 4114 at the edge of the material-cutting opening 4112 away from the tongue body 42.

[0047] Reference Figure 3The tongue 42 is a hollow structure, which can reduce the amount of material used. At the same time, the plastic will shrink during the cooling process, and the hollow structure can provide a certain space for the shrinkage, thereby reducing the impact of this shrinkage on the shape and dimensional accuracy of the product.

[0048] Reference Figure 2 , 3 The bolt assembly 4 further includes a stabilizing seat 43, which is connected to one end of the bolt seat 41 away from the bolt body 42. Specifically, the stabilizing seat 43 includes a stabilizing plate 431 and a support arm 432 which are vertically connected, and the end of the support arm 432 is plugged into the bottom plate 411. A slot 4122 is provided at one end of the side plate 412 away from the bolt body 42, and the stabilizing plate 431 is plugged into the slots 4122 of the two side plates 412.

[0049] A connecting piece 4321 is integrally formed and fixed on one side of the support arm 432 away from the tongue body 42 . The connecting piece 4321 is mainly used to be plugged into the elastic member 6 built into the lock to improve the stability of the contact position between the elastic member 6 and the lock tongue assembly 4 .

[0050] Embodiment 2:

[0051] Embodiment 2 of the present application further discloses a lock, comprising the lock tongue assembly 4 in Embodiment 1.

[0052] Reference Figure 4 , 5 The lock also includes a lock seat 1, a handle 2, a mounting plate 3, a lock body assembly 5, a movable shaft 7 and a movable bottom plate 8. The handle 2 is rotatably connected to the groove of the lock seat 1 through a rotating shaft and is used to control the switch lock of the lock tongue assembly 4.

[0053] Reference Figure 6 , 7 The mounting plate 3 is fixed to the inner side of the lock seat 1, and a slide groove 31 is provided on the side of the mounting plate 3 close to the lock seat 1, and the bolt assembly 4 and the movable bottom plate 8 are both slidably connected in the slide groove 31 of the mounting plate 3. The movable bottom plate 8 is located between the lock seat 1 and the bolt seat 41. The movable shaft 7 passes through the bottom plate 411 of the bolt seat 41 and the stabilizing plate 431 of the stabilizing seat 43, and is connected to the movable bottom plate 8 at the same time, so as to realize the synchronous movement of the movable bottom plate 8 and the bolt seat 41.

[0054] Further, see Figure 4 , 7 The lock base 1 is provided with an opening 11 connected with the slide groove 31, and the end of the movable bottom plate 8 close to the handle 2 is provided with an unlocking block 81 extending toward the opening 11, and the end of the handle 2 close to the movable bottom plate 8 is fixed with a push block 21, and the push block 21 is located on the movable path of the unlocking block 81. When the handle 2 is opened outward, the push block 21 can push the unlocking block 81, so that the movable bottom plate 8 moves with the lock tongue seat 41 toward the unlocking direction.

[0055] Reference Figure 6 , 7 The movable bottom plate 8 is located at one end of the unlocking block 81 and is provided with a blocking hook 82 bent in a direction away from the opening 11. The blocking hook 82 extends into the material opening 4112 of the lock tongue seat 41 and abuts against the second blocking block 4114, thereby limiting the lock tongue seat 41 and preventing the lock tongue seat 41 from escaping from the slide groove 31.

[0056] Reference Figure 6 , 7 A guide hole 32 connected to the slide groove 31 is provided on one side of the mounting plate 3 away from the lock seat 1, and the guide hole 32 extends along the moving direction of the lock tongue seat 41. A limiting hole 83 extending along the moving direction of the lock tongue seat 41 is provided on the movable bottom plate 8, and both ends of the movable shaft 7 are respectively located between the limiting hole 83 and the guide hole 32. When the movable bottom plate 8 is locked, the limiting hole 83 can provide space for the movable shaft 7 to move, so that the user can push the lock tongue seat 41 to retract into the slide groove 31.

[0057] Reference Figure 6 , 7 , an elastic member 6 for driving the bolt seat 41 to move toward the locked state is installed in the slide groove 31. Specifically, a downwardly bent rib 34 is fixed to the end of the slide groove 31 away from the bolt seat 41, and a spring is selected as the elastic member 6 in this embodiment. One end of the spring abuts against the rib 34 at the bottom of the slide groove 31, and the other end abuts against the support arm 432, and the connecting piece 4321 of the support arm 432 is inserted into one end of the spring. When the handle 2 is not subjected to external force, the spring is in a compressed state, and the bolt seat 41 is pushed to the locked position by elastic force, so that the cabinet door is automatically locked.

[0058] Reference Figure 6 , 7 The lock body assembly 5 includes a lock core seat 51, a lock core 52, a shift block 53, a lock body nut 54, a lock cap 55 and a screw 56. The lock core seat 51 passes through the lock cap 55 and the lock base 1 in sequence, and then is locked on the lock base 1 by the lock body nut 54. The lock core 52 is located in the lock core seat 51, and the shift block 53 is fixedly connected to the lock core 52 by the screw 56, so that the rotation of the shift block 53 is controlled by the lock core 52. A locking plate 84 is fixed to the end of the movable bottom plate 8 away from the main body. When the shift block 53 rotates to the farthest end and abuts against the locking plate 84, the movable bottom plate 8 is fixed, and the handle 2 cannot shift the movable bottom plate 8. After the shift block 53 is turned away, the movable bottom plate 8 can be unlocked and moved.

[0059] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A locking tongue assembly, characterized in that: include: Lock bolt seat (41); A tongue body (42) is fixedly mounted on the lock tongue seat (41); The guiding inclined surface of the tongue body (42) is exposed outside the lock tongue seat (41) and is used to contact the lock buckle; when locked, the lock tongue seat (41) and the lock buckle are against each other.

2. A locking tongue assembly according to claim 1, characterized in that: A positioning block (421) is fixed to the side of the tongue body (42) facing away from the guiding inclined surface; a positioning opening (4111) cooperating with the positioning block (421) is provided on the lock tongue seat (41); the positioning block (421) is snap-fitted into the positioning opening (4111); and a pressing sheet (4121) for fixing the tongue body (42) is provided on the lock tongue seat (41).

3. A locking tongue assembly according to claim 2, characterized in that: The lock tongue seat (41) is also provided with a first stopper (4113); when the positioning block (421) of the tongue body (42) is inserted into the positioning opening (4111), the first stopper (4113) contacts the tongue body (42).

4. A locking tongue assembly according to claim 1, characterized in that: The tongue body (42) is a hollow structure.

5. A locking tongue assembly according to claim 1, characterized in that: The lock tongue assembly (4) further comprises a stabilizing seat (43), wherein the stabilizing seat (43) is connected to an end of the lock tongue seat (41) away from the tongue body (42); the lock tongue seat (41) comprises a bottom plate (411) and two parallel side plates (412); the stabilizing seat (43) comprises a stabilizing plate (431) and a support arm (432) which are vertically connected, wherein the end of the support arm (432) is plugged into the bottom plate (411), and the stabilizing plate (431) is plugged into the two side plates (412).

6. A locking tongue assembly according to claim 5, characterized in that: A connecting piece (4321) is fixed to a side of the support arm (432) away from the tongue body (42).

7. A locking tongue assembly according to claim 1, characterized in that: The bottom of the lock tongue seat (41) is provided with a material-saving opening (4112).

8. A lock comprising the bolt assembly according to any one of claims 1 to 7, characterized in that: The lock comprises a lock seat (1), a handle (2), a movable shaft (7), and a mounting plate (3) fixed to the inner side of the lock seat (1); a sliding groove (31) is provided on the mounting plate (3) on a side close to the lock seat (1); the lock tongue seat (41) is slidably connected to the sliding groove (31); the handle (2) is rotatably connected to the groove of the lock seat (1) via a rotating shaft, and is used to control the lock tongue assembly (4) to switch between the states of opening and closing the lock.

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