High-strength conjoined auxiliary tongue

Abstract

The utility model discloses a high-strength conjoined auxiliary tongue which comprises a connecting plate and further comprises a mortise lock assembly, the mortise lock assembly comprises a spring bolt column, the spring bolt column is arranged on one side of the connecting plate, and a buffering part is arranged at the end, away from the connecting plate, of the spring bolt column; the positioning assembly is used for limiting the position of the spring bolt driving spring and comprises a threaded ring column arranged at the end, away from the buffering part, of the spring bolt column, the outer side of the threaded ring column is sleeved with a limiting column, and the end of the limiting column is connected with a fixing part used for fixing the threaded ring column and the limiting column in a penetrating and inserting mode; according to the utility model, through the separated design of the spring bolt column and the limiting column, when the limiting column penetrates through the threaded ring column at the end part of the spring bolt column, the fixing part is connected with the end part of the limiting column in a penetrating manner, so that the limiting column and the threaded ring column are fixed; the limiting column is detachably replaced, so that the limiting column with the corresponding size can be conveniently replaced according to the actual size of the spring bolt driving spring.

Description

Technical Field

[0001] The utility model relates to the technical field of locks, in particular to a high-strength one-piece attached tongue. Background Art

[0002] In the existing one-piece attached tongue design, the lock tongue column and the limit column are often cast in one piece. When the lock tongue driving spring in the lock housing is damaged after long-term use, it needs to be repaired and replaced. Since the lock tongue driving spring is generally customized to match the limit column at the end of the lock tongue column, after replacing the lock tongue driving spring, the matching limit column needs to be replaced at the same time. Due to the one-piece casting design of the lock tongue column and the limit column, the limit column cannot be replaced separately. Therefore, in order to solve the problem of synchronous replacement of the entire one-piece attached tongue caused by replacing the lock tongue driving spring, the utility model proposes a high-strength one-piece attached tongue. Utility Model Content

[0003] The purpose of the present invention is to provide a high-strength one-piece attached tongue to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a high-strength one-piece tongue, comprising a connecting plate and:

[0005] A mortise lock assembly is used to insert into a door lock slot on a door frame. The mortise lock assembly includes a lock bolt column, which is arranged on one side of a connecting plate. An end of the lock bolt column away from the connecting plate is provided with a buffer portion for protecting the end of the lock bolt column;

[0006] A positioning assembly is used to limit the position of the lock tongue drive spring. The positioning assembly includes a threaded ring column arranged at the end of the lock tongue column away from the buffer portion. A limiting column is sleeved on the outer side of the threaded ring column. The end of the limiting column is inserted and connected with a fixing portion for fixing the threaded ring column and the limiting column.

[0007] Preferably, the fixing part includes a fixing bolt, the ends of which are sequentially inserted and connected to the end of the limiting column and the middle of the threaded ring column, and a rebound part is provided at the insertion point of the fixing bolt and the limiting column to prevent the threaded engagement of the fixing bolt and the threaded ring column from loosening.

[0008] Preferably, the resilient member comprises a compression spring sleeved on the outside of the fixing bolt, and the outside of the fixing bolt is sleeved with a flexible isolation sleeve for wrapping and isolating the compression spring.

[0009] Preferably, a movable groove for inserting a fixing bolt is provided at the end of the limiting column, and the compression spring and the flexible isolation sleeve are both arranged inside the movable groove.

[0010] Preferably, the buffer portion includes a buffer pad, the side of which is inserted and connected to the end of the lock tongue column, and the buffer pad is used to alleviate the friction between the lock tongue column and the inner wall of the door lock slot.

[0011] Preferably, a fixing ring groove is provided at the end of the lock tongue column, and the fixing ring groove is used for clamping and fixing the buffer pad.

[0012] Preferably, a blocking protrusion is provided on one side of the connecting plate, and the blocking protrusion is used to increase the contact surface between the connecting plate and the inner wall of the lock housing.

[0013] Preferably, a positioning groove is provided on the other side of the connecting plate, and the positioning groove is used to limit the position of the connecting plate in the lock housing.

[0014] The technical effects and advantages of this utility model are:

[0015] The utility model adopts a separate design of the lock tongue column and the limit column. When the limit column is inserted into the threaded ring column at the end of the lock tongue column, the fixing part is connected by inserting the end of the limit column, thereby fixing the limit column and the threaded ring column. Compared with the design of integral casting of the limit column and the lock tongue column, the detachable and replaceable form of the limit column is convenient for replacing the limit column of corresponding size according to the actual size of the lock tongue driving spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of the utility model as a whole.

[0017] Figure 2 It is a top view of the entire utility model.

[0018] Figure 3 It is a schematic diagram of the overall structure of the utility model when viewed from above.

[0019] Figure 4 It is a partial cross-sectional view of the entire utility model.

[0020] In the figure: 1. Connecting plate; 101. Blocking protrusion; 102. Positioning groove; 2. Lock tongue column; 201. Threaded ring column; 202. Fixed ring groove; 3. Limiting column; 301. Movable groove; 4. Fixed part; 401. Fixing bolt; 402. Compression spring; 403. Flexible isolation sleeve; 5. Buffer pad. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] The utility model provides Figure 1-4 The high-strength one-piece tongue shown includes a connecting plate 1, a latch assembly, and a positioning assembly;

[0023] Specifically, the mortise lock assembly is used to insert into the door lock slot on the door frame. The mortise lock assembly includes a lock tongue column 2, which is arranged on one side of the connecting plate 1. The end of the lock tongue column 2 away from the connecting plate 1 is provided with a buffer portion for protecting the end of the lock tongue column 2;

[0024] It should be noted that the connecting plate 1 and the lock tongue column 2 are die-casted with high-strength steel. A blocking protrusion 101 is provided on one side of the connecting plate 1. The blocking protrusion 101 is used to increase the contact surface between the connecting plate 1 and the inner wall of the lock shell. During the movement of the lock tongue column 2, the blocking protrusion 101 can increase the friction between the connecting plate 1 and the inner wall of the lock shell. A positioning groove 102 is provided on the other side of the connecting plate 1. The positioning groove 102 is used to limit the position of the connecting plate 1 in the lock shell. The positioning groove 102 is used to limit the position of the lock core on the connecting plate 1.

[0025] Specifically, the buffer portion includes a buffer pad 5, the side of the buffer pad 5 is inserted and connected to the end of the lock tongue column 2, and the buffer pad 5 is used to alleviate the friction between the lock tongue column 2 and the inner wall of the door lock slot;

[0026] It should be noted that a fixing ring groove 202 is provided at the end of the lock bolt column 2. The fixing ring groove 202 is used for clamping and fixing the buffer pad 5. The fixing ring groove 202 is set in the form of an annular groove. The buffer pad 5 is made of rubber and is clamped and fixed in the fixing ring groove 202.

[0027] Specifically, the positioning assembly is used to limit the position of the lock bolt drive spring. The positioning assembly includes a threaded ring column 201 provided on the end of the lock bolt column 2 away from the buffer portion. A limiting column 3 is sleeved on the outer side of the threaded ring column 201. The end of the limiting column 3 is connected with a fixing portion 4 for fixing the threaded ring column 201 and the limiting column 3.

[0028] It should be noted that the threaded ring column 201 and the lock tongue column 2 are cast as one piece, and the fixing part 4 includes a fixing bolt 401. The end of the fixing bolt 401 is sequentially inserted and connected to the end of the limiting column 3 and the middle of the threaded ring column 201. The insertion point of the fixing bolt 401 and the limiting column 3 is provided with a rebound part for preventing the threaded engagement of the fixing bolt 401 and the threaded ring column 201 from loosening.

[0029] Specifically, the resilient member includes a compression spring 402 sleeved on the outside of the fixing bolt 401, a flexible isolation sleeve 403 for wrapping and isolating the compression spring 402 is sleeved on the outside of the fixing bolt 401, and a movable groove 301 for inserting the fixing bolt 401 is opened at the end of the limiting column 3, and the compression spring 402 and the flexible isolation sleeve 403 are both arranged inside the movable groove 301. The material of the flexible isolation sleeve 403 is polyurethane. The compression spring 402 pushes the fixing bolt 401, so that the threaded engagement between the fixing bolt 401 and the threaded ring column 201 is in close contact, thereby preventing the fixing bolt 401 from loosening;

[0030] During actual use, the lock tongue column 2 and the limit column 3 are designed to be separated. When the limit column 3 is inserted into the threaded ring column 201 at the end of the lock tongue column 2, the fixing bolt 401 is inserted into the end of the limit column 3 through the thread, thereby fixing the limit column 3 and the threaded ring column 201. Compared with the integral casting design of the limit column 3 and the lock tongue column 2, this detachable and replaceable form of the limit column 3 is convenient for replacing the limit column 3 of the corresponding size according to the actual size of the lock tongue driving spring, avoiding the replacement of the entire connected tongue at the same time as the lock tongue driving spring.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-strength one-piece tongue, comprising a connecting plate (1), characterized in that: Also includes: A mortise lock assembly is used to insert into a door lock slot on a door frame, and the mortise lock assembly includes a lock tongue column (2), the lock tongue column (2) is arranged on one side of a connecting plate (1), and a buffer portion for protecting the end of the lock tongue column (2) is provided at one end of the lock tongue column (2) away from the connecting plate (1); A positioning assembly is provided, wherein the positioning assembly is used to limit the position of a lock tongue driving spring, and the positioning assembly comprises a threaded ring column (201) arranged at one end of the lock tongue column (2) away from the buffer portion, a limiting column (3) is sleeved on the outer side of the threaded ring column (201), and a fixing portion (4) for fixing the threaded ring column (201) and the limiting column (3) is inserted and connected at the end of the limiting column (3).

2. A high-strength one-piece tongue according to claim 1, characterized in that: The fixing portion (4) comprises a fixing bolt (401), the end of which is sequentially inserted and connected to the end of the limiting column (3) and the middle of the threaded ring column (201), and a resilient member is provided at the insertion point between the fixing bolt (401) and the limiting column (3) for preventing the threaded engagement point between the fixing bolt (401) and the threaded ring column (201) from loosening.

3. The high-strength one-piece tongue according to claim 2, characterized in that: The resilient member comprises a compression spring (402) sleeved on the outside of a fixing bolt (401), and a flexible isolation sleeve (403) for wrapping and isolating the compression spring (402) is sleeved on the outside of the fixing bolt (401).

4. The high-strength one-piece tongue according to claim 3, characterized in that: The end of the limiting column (3) is provided with a movable groove (301) for the fixing bolt (401) to penetrate, and the compression spring (402) and the flexible isolation sleeve (403) are both arranged inside the movable groove (301).

5. The high-strength one-piece tongue according to claim 1, characterized in that: The buffer portion comprises a buffer pad (5), the side of which is inserted and connected to the end of the lock tongue column (2), and the buffer pad (5) is used to alleviate the friction between the lock tongue column (2) and the inner wall of the door lock slot.

6. The high-strength one-piece tongue according to claim 5, characterized in that: A fixing ring groove (202) is provided at the end of the lock tongue column (2), and the fixing ring groove (202) is used for clamping and fixing the buffer pad (5).

7. The high-strength one-piece tongue according to claim 6, characterized in that: A blocking protrusion (101) is provided on one side of the connecting plate (1), and the blocking protrusion (101) is used to increase the contact surface between the connecting plate (1) and the inner wall of the lock housing.

8. The high-strength one-piece tongue according to claim 7, characterized in that: A positioning groove (102) is provided on the other side of the connecting plate (1), and the positioning groove (102) is used to limit the position of the connecting plate (1) in the lock housing.

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