Anti-oxidation metal spring bolt
By performing sealing treatment in the locking tongue cavity, the combination of the sealing frame and the swinging plate solves the problem of rusting in the water vapor environment, and the anti-oxidation effect of the locking tongue is achieved, ensuring smooth sliding and convenient use sex.
Patent Information
- Application Number
- CN202323568317.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-25
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2033-12-25
AI Technical Summary
The lock tongue of the household door lock is prone to rust in an environment with large water vapor or easy to water, resulting in slippery and inconvenience.
An antioxidant metal lock tongue is designed. By performing a sealing treatment in the lock tongue cavity, the combination of the sealed frame and the swinging plate is used to ensure that water vapor cannot enter, thereby preventing oxidation and rust.
Effectively isolate water vapor, prevent the locking tongue from rusting, improve the antioxidant ability of the locking tongue, and maintain the smoothness of sliding and convenience of use.
Smart Images

Figure CN222228251U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of door locks, and in particular relates to an anti-oxidation metal lock tongue. Background Art
[0002] The lock tongue is the center of the door lock. The lock tongue is a very vivid word. If the side of the door with the door lock is regarded as a mouth, then the lock tongue is indeed like a tongue that moves in and out. There are many kinds of lock tongues, including oblique lock tongues, square lock tongues, anti-saw lock tongues, double hook lock tongues, etc. The lock core is also divided into single lock tongue lock core and multi-point lock tongue lock core according to the number of lock tongues.
[0003] At present, most of the door locks used in bathrooms, kitchens and other places at home are single-bolt. Some gatehouses have a lot of moisture or are easily splashed with water, and the bolt is easy to rust, causing it to slide awkwardly and cause inconvenience. Utility Model Content
[0004] The utility model aims to provide an anti-oxidation metal lock tongue with a simple structure. The lock tongue cavity is sealed to isolate the interior of the lock tongue from water vapor, thereby preventing oxidation and rusting. The utility model has strong practicability and is suitable for promotion.
[0005] The utility model provides the following technical scheme: an anti-oxidation metal lock tongue, comprising a lock tongue box, a front section of the lock tongue box is fixedly provided with a mounting wall, a sealing frame is fixedly provided at the mounting wall corresponding to the lock tongue box, a lock core cavity is fixedly provided at the rear end of the lock tongue box, a rotating ring is sleeved on the lock core cavity, the rotating ring is connected to the lock core in the lock core cavity, an oblique lock tongue is slidably provided on the sealing frame, the oblique lock tongue penetrates into the lock tongue box and is fixedly provided with symmetrical connecting walls on both sides thereof, a penetrating side groove is provided on the connecting wall, a swing piece is fixedly provided at the rotating ring corresponding to the oblique lock tongue, the swing piece is fan-shaped, and both sides of the swing piece are inserted into the side grooves, protruding cavities protruding outwards are provided at the two sides of the lock tongue box corresponding to the swing piece, and a top cover is detachably provided at the upper end of the lock tongue box.
[0006] Preferably, a support spring is fixedly provided at the bottom of the lock tongue box, and the support spring is supported on the oblique lock tongue.
[0007] Preferably, a sealing ring is fixedly provided on the lower edge of the upper cover, the sealing ring is tightly connected to the upper opening of the lock tongue box, a first screw hole is provided on the mounting wall, a second screw hole is provided on the lock tongue box, and the upper cover is fixed to the second screw hole by a fixing bolt.
[0008] Preferably, the lateral front end of the swing piece contacts the side groove, and when the swing piece rotates with the rotating ring and the oblique locking tongue is retracted into the closed frame, the lateral rear end of the swing piece contacts the side groove.
[0009] Preferably, the upper end of the lock core cavity is tightly attached to the upper cover, the rotating ring is in close contact with the lock core cavity, and the shape of the sealing frame matches the oblique lock tongue and is slidably connected thereto.
[0010] The beneficial effects of the utility model are as follows: the structure is simple, and the lock tongue cavity is sealed to isolate the water vapor inside, thereby preventing oxidation and rusting, and the utility model is strong, as follows:
[0011] The utility model is provided with an upper cover, which is mounted on a lock tongue box in a detachable manner. When the upper cover is fixed to the lock tongue box by fixing bolts, a sealing ring thereon is clamped at the opening of the lock tongue box to close the opening of the lock tongue box, and convex cavities are arranged on both sides of the lock tongue box. When the oblique lock tongue is pulled to move, a swinging piece is driven to swing, and the swinging piece is buckled on the side groove. During the swinging process of the swinging piece, the side of the swinging piece slides relatively with the side groove to pull the side groove, and the convex cavity provides movement space for the swinging piece. When the swinging piece drives the oblique lock tongue to be pulled back, the oblique lock tongue extending outside the lock tongue box slides on the closed frame, and remains closed when the oblique lock tongue is completely retracted into the closed frame, so that the inside of the lock tongue box remains in a closed state, thereby improving the anti-oxidation capacity of the lock tongue. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0013] Figure 1 It is an overall schematic diagram of the utility model;
[0014] Figure 2 It is a cross-sectional view of the utility model;
[0015] The markings in the figure are: 1. Lock tongue box; 2. Mounting wall; 3. First screw hole; 4. Sealed frame; 5. Oblique lock tongue; 6. Lock core cavity; 7. Connecting wall; 8. Rotating ring; 9. Swinging piece; 10. Side groove; 11. Protruding cavity; 12. Support spring; 13. Second threaded hole; 14. Upper cover; 15. Sealing ring; 16. Fixing bolt. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.
[0017] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", "top / bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0018] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0019] The structural features of the utility model are now described in detail with reference to the accompanying drawings of the specification.
[0020] See also Figure 1-2 , an anti-oxidation metal lock tongue comprises a lock tongue box 1, a front section of the lock tongue box 1 is fixedly provided with a mounting wall 2, the mounting wall 2 is provided with a first screw hole 3, the lock tongue box 1 is fixed to the door lock through the mounting wall 2, a closed frame 4 is fixedly provided at the mounting wall 2 corresponding to the lock tongue box 1, a lock core cavity 6 is fixedly provided at the rear end of the lock tongue box 1, a lock core is installed through the lock core cavity 6, a rotating ring 8 is sleeved on the lock core cavity 6, the rotating ring 8 is connected to the lock core in the lock core cavity 6, when the lock core rotates, the rotating ring 8 is driven to rotate, the rotating ring 8 is in close contact with the lock core cavity 6 to prevent water vapor from entering from the lock core, an oblique lock tongue 5 is slidably provided on the closed frame 4, the oblique lock tongue 5 penetrates into the lock tongue box 1 and is fixedly provided with symmetrical connecting walls 7 on both sides thereof, and the connecting wall 7 is driven by pulling The oblique lock tongue 5 is retracted, and a penetrating side groove 10 is provided on the connecting wall 7. A swing piece 9 is fixedly provided at the rotating ring 8 corresponding to the oblique lock tongue 5. The swing piece 9 is fan-shaped, and both sides of the swing piece 9 are inserted into the side groove 10. The lateral front end of the swing piece 9 contacts the side groove 10. When the swing piece 9 rotates with the rotating ring 8, when the oblique lock tongue 5 is received in the closed frame 4, the lateral rear end of the swing piece 9 contacts the side groove 10, so that when the swing piece 9 rotates, the side groove 10 is driven to slide from the lateral front end of the swing piece 9 to the rear end, providing a dislocation space, and pulling the connecting wall 7 during rotation, so that the oblique lock tongue 5 can be retracted and retracted in the closed frame 4. The shape of the closed frame 4 matches the oblique lock tongue 5, and is slidably connected with it, so that the closed frame 4 remains airtight.
[0021] See also Figure 2, outwardly protruding cavities 11 are provided at the two sides of the lock tongue box 1 corresponding to the swinging piece 9, and the protruding cavities 11 provide a rotation space for the swinging piece 9. A top cover 14 is detachably provided at the upper end of the lock tongue box 1, and a sealing ring 15 is fixedly provided at the lower edge of the top cover 14. The sealing ring 15 is tightly connected to the upper end opening of the lock tongue box 1. A second threaded hole 13 is provided on the lock tongue box 1, and the top cover 14 is fixed on the second threaded hole 13 by a fixing bolt 16. The upper end of the lock core cavity 6 is tightly attached to the top cover 14, so that the upper end of the lock core cavity 6 and the top cover 14 remain airtight.
[0022] See also Figure 1 A support spring 12 is fixedly provided at the bottom of the lock tongue box 1, and the support spring 12 supports the oblique lock tongue 5 so that the oblique lock tongue 5 is kept in an extended state when it is not affected by the outside.
[0023] The anti-oxidation metal lock tongue of the utility model has a simple structure, and the lock tongue cavity is sealed to isolate the interior of the lock tongue from water vapor, thereby preventing the lock tongue from oxidizing and rusting. The utility model has strong practicability and is suitable for promotion.
[0024] When using it specifically, refer to Figure 1-2 When the upper cover 14 is fixed to the lock tongue box 1 by the fixing bolts 16, the sealing ring 15 thereon is stuck in the opening of the lock tongue box 1 to close the opening of the lock tongue box 1, and the two sides of the lock tongue box 1 are provided with raised cavities 11. When the inclined lock tongue 5 is pulled to move, the swinging piece 9 is driven to swing, and the swinging piece 9 is buckled on the side groove 10. During the swinging process of the swinging piece 9, the side of the swinging piece 9 slides relative to the side groove 10, and the side groove 10 is pulled, and the raised cavity 11 provides movement space for the swinging piece 9. When the swinging piece 9 drives the inclined lock tongue 5 to be pulled back, the inclined lock tongue 5 extending outside the lock tongue box 1 slides on the closed frame 4, and remains closed when the inclined lock tongue 5 is completely retracted into the closed frame 4, so that the lock tongue box 1 remains in a closed state, and the anti-oxidation ability is improved.
[0025] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An anti-oxidation metal lock tongue, comprising a lock tongue box (1), characterized in that: The front section of the lock tongue box (1) is fixedly provided with a mounting wall (2), and a sealing frame (4) is fixedly provided on the mounting wall (2) corresponding to the lock tongue box (1). The rear end of the lock tongue box (1) is fixedly provided with a lock core cavity (6), and a rotating ring (8) is sleeved on the lock core cavity (6). The rotating ring (8) is connected to the lock core in the lock core cavity (6). An oblique lock tongue (5) is slidably provided on the sealing frame (4), and the oblique lock tongue (5) penetrates into the lock tongue box (1) and is provided on both sides thereof. A symmetrical connecting wall (7) is fixedly provided, and a side groove (10) is penetrated on the connecting wall (7). A swinging piece (9) is fixedly provided at a position of the rotating ring (8) corresponding to the oblique lock tongue (5). The swinging piece (9) is fan-shaped, and two sides of the swinging piece (9) are inserted into the side groove (10). Outwardly protruding cavities (11) are provided at two sides of the lock tongue box (1) corresponding to the swinging piece (9), and a top cover (14) is detachably provided at the upper end of the lock tongue box (1).
2. The anti-oxidation metal lock tongue according to claim 1, characterized in that: A support spring (12) is fixedly provided at the bottom of the lock tongue box (1), and the support spring (12) is supported on the oblique lock tongue (5).
3. The anti-oxidation metal lock tongue according to claim 1, characterized in that: A sealing ring (15) is fixedly provided on the lower edge of the upper cover (14), and the sealing ring (15) is tightly connected to the upper opening of the lock tongue box (1). A first screw hole (3) is provided on the mounting wall (2), and a second screw hole (13) is provided on the lock tongue box (1). The upper cover (14) is fixed on the second screw hole (13) by a fixing bolt (16).
4. The anti-oxidation metal lock tongue according to claim 1, characterized in that: The front end of the swing plate (9) contacts the side groove (10); when the swing plate (9) rotates with the rotating ring (8), when the oblique locking tongue (5) is retracted into the closed frame (4), the rear end of the swing plate (9) contacts the side groove (10).
5. The anti-oxidation metal lock tongue according to claim 1, characterized in that: The upper end of the lock core cavity (6) is in close contact with the upper cover (14), the rotating ring (8) is in close contact with the lock core cavity (6), and the shape of the sealing frame (4) matches the oblique lock tongue (5) and is slidably connected thereto.
