Novel mute lock structure
By adopting integrated injection molded connecting rods and simplified shaft core assembly design in the silent lock, the complex process and difficult processing problems in the existing silent lock structure are solved, and more efficient assembly and production are achieved.
Patent Information
- Application Number
- CN202422007204.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The connecting rod of existing silent locks requires two parts to be assembled, which increases process complexity, and the integrated injection molding of the shaft core assembly is complicated, resulting in inconvenience in use.
A new silent lock structure was designed, in which the integrated injection molding of the connecting rod eliminates the assembly process and simplifies the processing and assembly of the shaft core assembly through the transfer of the oblique tongue paddle and the shaft core assembly.
The new silent lock structure eliminates the assembly process, avoids the problem of inaccurate position, improves assembly convenience, and reduces production complexity by simplifying the processing of shaft core components.
Smart Images
Figure CN223003881U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of door locks, in particular to a novel silent lock structure. Background Art
[0002] A door lock is a device used to lock a door to prevent others from opening it. The noise generated when the door lock is opened and closed has always been a pain point for users, especially in the middle of the night, affecting the rest of the family. Therefore, silent locks are widely used.
[0003] However, the connecting rods of existing silent locks are assembled from two parts, which increases the process during assembly and is prone to position inaccuracies during assembly, thereby reducing the convenience of subsequent assembly of the silent lock structure; at the same time, the existing shaft core components are all one-piece injection molded, which makes the processing more complicated, thus causing great trouble to people's use. Utility Model Content
[0004] The purpose of the utility model is to provide a novel silent lock structure to solve the problem in the above background technology that the connecting rods of the existing silent locks are assembled from two parts, which increases the process; the shaft core components are all integrally injection molded, which makes the processing more complicated.
[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a new type of silent lock structure, comprising a lock cover, a lock body is fixed to one side of the lock cover by bolts, and an outer lining plate is fixed to one side of the lock body by screws; a reverse locking assembly is installed on the surface of the lock body, and the reverse locking assembly is used for the reverse locking function of the outer lining plate; a connecting rod is connected to the surface of the reverse locking assembly, and the connecting rod is integrally injection molded, an inclined tongue assembly is arranged on the surface of the lock body and above the reverse locking assembly, and the inclined tongue assembly is composed of an inclined lock tongue, a torsion spring, a shaft core assembly and an inclined tongue return silent sleeve, the inclined lock tongue is slidably connected to the surface of the lock body, and a rotatable shaft core assembly is arranged on one side of the lock body.
[0006] Preferably, an oblique tongue groove is provided on one side of the surface of the outer lining plate, and one end of the oblique locking tongue extends to the inside of the oblique tongue groove.
[0007] Preferably, a torsion spring is installed on the surface of the lock body, and one end of the torsion spring and the lock body are pressed against each other.
[0008] Preferably, an oblique tongue return silent sleeve is installed at one end of the oblique lock tongue, and the surface of the oblique tongue return silent sleeve is in contact with the other end of the torsion spring.
[0009] Preferably, the shaft core assembly includes an inclined tongue paddle and an shaft core, wherein the inclined tongue paddle is arranged on the surface of the lock body, and the inclined tongue paddle is used to move the inclined lock tongue for movement.
[0010] Preferably, both sides of the inclined tongue dial are provided with shaft cores, and the two shaft cores and the inclined tongue dial are assembled and formed with each other through two positioning columns.
[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: the connecting rod of the mute lock structure of this new type is integrally injection-molded. Compared with the prior art that requires the assembly of two parts, the assembly process is omitted, and at the same time, the phenomenon of inaccurate position during assembly will not occur, thereby improving the convenience of subsequent assembly of the mute lock structure; at the same time, the shaft core assembly of the present utility model is composed of an inclined tongue dial and two shaft cores. Compared with the integral injection molding of the prior art, the processing is relatively convenient, and during assembly, it only needs to be positioned and buckled through the positioning columns, and the structure is relatively compact. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is a three-dimensional external structure schematic diagram of the present utility model;
[0013] Figure 2 is an internal structure schematic diagram of the present utility model;
[0014] Figure 3 is an enlarged structure schematic diagram of the separated state of the present utility model;
[0015] Figure 4 is a structure schematic diagram of the shaft core assembly of the present utility model.
[0016] In the figure: 1, lock cover; 2, outer lining plate; 21, inclined tongue groove; 3, lock body; 4, inclined tongue assembly; 41, inclined lock tongue; 42, torsion spring; 43, shaft core assembly; 431, inclined tongue dial; 432, shaft core; 44, inclined tongue return mute sleeve; 5, anti-lock assembly; 6, connecting rod. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.
[0018] The utility model provides a novel silent lock structure. Figure 1 as well as Figure 3 As shown, it includes a lock cover 1, a lock body 3 is fixed to one side of the lock cover 1 by bolts, and an outer lining plate 2 is fixed to one side of the lock body 3 by screws; a reverse locking component 5 is installed on the surface of the lock body 3, and the reverse locking component 5 is used for the reverse locking function of the outer lining plate 2; a connecting rod 6 is connected to the surface of the reverse locking component 5, and the connecting rod 6 is integrally injection-molded, and an oblique tongue groove 21 is opened on one side of the surface of the outer lining plate 2, and one end of the oblique lock tongue 41 extends to the inside of the oblique tongue groove 21.
[0019] The connecting rod 6 of the utility model is integrally injection molded, which saves the assembly process compared to the prior art which requires two parts to be assembled. At the same time, the phenomenon of inaccurate position during assembly will not occur, thereby improving the convenience of subsequent assembly of the silent lock structure.
[0020] Furthermore, if Figure 2 , Figure 3 as well as Figure 4 As shown, a slanted bolt assembly 4 is arranged on the surface of the lock body 3 and above the anti-lock assembly 5, and the slanted bolt assembly 4 is composed of a slanted bolt 41, a torsion spring 42, a shaft core assembly 43 and a slanted bolt return silent sleeve 44. The slanted bolt 41 is slidably connected to the surface of the lock body 3, and a rotatable shaft core assembly 43 is arranged on one side of the lock body 3. A torsion spring 42 is installed on the surface of the lock body 3, and one end of the torsion spring 42 presses against the lock body 3, and one end of the slanted bolt 41 is installed. The oblique tongue return silent sleeve 44, and the surface of the oblique tongue return silent sleeve 44 is in contact with the other end of the torsion spring 42, the shaft core assembly 43 includes an oblique tongue paddle 431 and a shaft core 432, the oblique tongue paddle 431 is arranged on the surface of the lock body 3, and the oblique tongue paddle 431 is used to move the oblique lock tongue 41, and the shaft core 432 is arranged on both sides of the oblique tongue paddle 431, and the two shaft cores 432 and the oblique tongue paddle 431 are assembled and formed with each other through two positioning columns.
[0021] The shaft core assembly 43 of the utility model is formed by a slanted tongue paddle 431 and two shaft cores 432. Compared with the prior art one-piece injection molding, the processing is more convenient. During assembly, it only needs to be positioned and fastened by the positioning column, and the structure is more compact.
[0022] Working principle: The connecting rod 6 of the utility model is integrally injection molded, which saves the assembly process compared to the prior art which requires two parts to be assembled, and at the same time, there will be no phenomenon of inaccurate positioning during assembly, thereby improving the convenience of subsequent assembly of the silent lock structure; at the same time, the shaft core assembly 43 of the utility model is composed of an inclined tongue paddle 431 and two shaft cores 432. Compared with the prior art integral injection molding, the processing is relatively convenient, and during assembly, it only needs to be positioned and fastened through the positioning column, and the structure is relatively compact.
[0023] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.
Claims
1. A novel silent lock structure, comprising a lock cover (1), characterized in that: A lock body (3) is fixed to one side of the lock cover (1) by bolts, and an outer lining plate (2) is fixed to one side of the lock body (3) by screws; a reverse locking assembly (5) is installed on the surface of the lock body (3), and the reverse locking assembly (5) is used for the reverse locking function of the outer lining plate (2); a connecting rod (6) is connected to the surface of the reverse locking assembly (5), and the connecting rod (6) is integrally injection molded; an inclined tongue assembly (4) is arranged on the surface of the lock body (3) and above the reverse locking assembly (5); and the inclined tongue assembly (4) is composed of an inclined lock tongue (41), a torsion spring (42), an axle core assembly (43) and an inclined tongue return silent sleeve (44); the inclined lock tongue (41) is slidably connected to the surface of the lock body (3), and a rotatable axle core assembly (43) is arranged on one side of the lock body (3).
2. A novel silent lock structure according to claim 1, characterized in that: An oblique tongue groove (21) is provided on one side of the surface of the outer lining plate (2), and one end of the oblique locking tongue (41) extends to the inside of the oblique tongue groove (21).
3. A novel silent lock structure according to claim 2, characterized in that: A torsion spring (42) is installed on the surface of the lock body (3), and one end of the torsion spring (42) and the lock body (3) are pressed against each other.
4. A novel silent lock structure according to claim 3, characterized in that: An oblique tongue return silent sleeve (44) is installed at one end of the oblique lock tongue (41), and the surface of the oblique tongue return silent sleeve (44) is in contact with the other end of the torsion spring (42).
5. According to the novel silent lock structure of claim 1, it is characterized by: The shaft core assembly (43) comprises an inclined tongue paddle (431) and an shaft core (432); the inclined tongue paddle (431) is arranged on the surface of the lock body (3); and the inclined tongue paddle (431) is used to paddle the inclined lock tongue (41) to move.
6. A novel silent lock structure according to claim 5, characterized in that: A shaft core (432) is disposed on both sides of the oblique tongue paddle (431), and the two shaft cores (432) and the oblique tongue paddle (431) are assembled and formed with each other via two positioning columns.