Combined snap-in anti-lock structure

Abstract

The utility model discloses a combination buckle formula counter lock structure relates to door lock technical field, including counter lock knob, buckle cap and paddle, and the detachable connection between counter lock knob and buckle cap, and the detachable connection between paddle and counter lock knob and buckle cap, be provided with connecting foot on counter lock knob, and the surface of connecting foot is provided with the clamping groove, and buckle cap can buckle and fix on the clamping groove, the bottom of buckle cap is opened with the guide hole, and the both sides of guide hole are equipped with the limit buckle, and the limit hole is equipped on the paddle, when paddle passes through guide hole and inserts counter lock knob, and limit buckle buckles into limit hole. The utility model discloses the cooperation between counter lock knob, buckle cap and paddle, realizes the function unchangeable condition, and the product stability is better, and the assembly action is simpler, and lays the foundation for realizing automatic assembly, and the economy and the convenience of installation of product are improved simultaneously, is suitable for mass production, and more cost advantage.

Description

Technical Field

[0001] This utility model relates to the field of door lock technology, specifically to a combined snap-lock structure. Background Technology

[0002] Currently, the assembly structure of the deadbolt knob on semi-automatic smart locks, fully automatic electronic locks, and conventional security door handle panels mainly uses a snap ring to fix the knob to the inner panel, and the knob actuating plate is inserted into the side hole of the knob through a cotter pin to connect the actuating plate to the knob.

[0003] like Figure 1-3 As shown, the existing anti-lock knob assembly structure mainly includes a panel 1, an anti-lock knob 2, a retaining spring 3, a toggle piece 4, and a cotter pin 5. The anti-lock knob 2 is inserted into the panel 1, the retaining spring 3 is inserted into the annular groove of the anti-lock knob to axially limit and fix the anti-lock knob 2, the toggle piece 4 is inserted into the groove of the anti-lock knob, and the cotter pin 5 is inserted into the side hole of the knob shaft. The long piece at the open end is bent and then fixed to the toggle piece. This structure can transmit the rotational force of the knob to the lock body through the toggle piece to realize the anti-locking.

[0004] In the existing technology, the assembly process of the deadbolt knob involves inserting the deadbolt knob 2 into the panel 1, using snap ring pliers to snap the snap ring 3 into the annular groove of the deadbolt knob, then inserting the actuating piece 4 into the deadbolt knob groove, and inserting the cotter pin 5 into the side hole of the knob shaft. The long piece at the open end is bent with pliers to prevent the cotter pin from falling out of the hole, thereby fixing the actuating piece. It is very difficult to achieve automatic assembly in this structure, mainly because the actions of putting in various materials, snapping in the snap ring, inserting and bending the cotter pin are complex, and the cost is even higher when implemented in a confined space. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a combined snap-lock structure.

[0006] The objective of this utility model is achieved through the following technical solution:

[0007] A combined snap-lock structure includes a locking knob, a snap cap, and a toggle piece. The locking knob and the snap cap are detachably connected, and the toggle piece is detachably connected to both the locking knob and the snap cap. The locking knob has a connecting foot with a slot on its surface, and the snap cap can be fastened to the slot. The snap cap has a guide hole at its bottom, and limit buckles are provided on both sides of the guide hole. The toggle piece has a limit hole. When the toggle piece passes through the guide hole and is inserted into the locking knob, the limit buckles engage with the limit holes.

[0008] Preferably, the locking knob has an anti-rotation hole inside, and the toggle piece can be inserted into the anti-rotation hole.

[0009] Furthermore, a limiting rod is provided inside the anti-rotation hole, which abuts against the limiting rod when the actuating piece is inserted into the anti-rotation hole.

[0010] Preferably, the actuating piece is provided with a break groove.

[0011] Specifically, the locking knob is integrated with the connecting foot.

[0012] The beneficial effects of this utility model are:

[0013] This invention, through the cooperation of the locking knob, the snap cap, and the toggle piece, achieves better product stability and simpler assembly without changing the function, laying the foundation for automatic assembly. At the same time, it improves the product's economy and ease of installation, making it suitable for mass production and more cost-effective. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the assembly of the deadbolt knob in the prior art;

[0015] Figure 2 This is a diagram showing the state of a cotter pin in the prior art when it is not bent.

[0016] Figure 3 This is a diagram showing the state of a cotter pin during bending in the prior art.

[0017] Figure 4 This is a schematic diagram of the assembly of the locking structure of this utility model;

[0018] Figure 5 This is a perspective view of the overall assembly of the locking structure of this utility model;

[0019] Figure 6 This is a front view of the locking structure of this utility model;

[0020] Figure 7 This is a side sectional view of the locking structure of this utility model;

[0021] Figure 8 This is a front sectional view of the locking structure of this utility model;

[0022] Figure 9 This is a perspective view of the locking knob of this utility model;

[0023] Figure 10 This is a side sectional view of the locking knob of this utility model;

[0024] Figure 11 This is a front sectional view of the locking knob of this utility model;

[0025] Figure 12 This is a front sectional view of the buckle cap of this utility model;

[0026] Figure 13This is a bottom view of the buckle cap of this utility model;

[0027] In the diagram, 1-panel, 2-reverse lock knob, 3-spring clip, 4-toggle piece, 5-cotter pin, 6-buckle cap, 7-break groove, 8-limit buckle, 9-connecting foot, 10-limit rod, 11-limit hole, 12-slot, 13-anti-rotation hole, 14-guide hole. Detailed Implementation

[0028] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0029] See Figure 4-13 This utility model provides a technical solution:

[0030] A combined snap-lock structure includes a locking knob 2, a snap cap 6, and a toggle piece 4. The locking knob 2 has a connecting foot 9, and an anti-rotation hole 13 is provided inside the locking knob 2. A limiting rod 10 is provided inside the anti-rotation hole 13. A slot 12 is provided on the surface of the connecting foot 9. The snap cap 6 is fastened to the slot 12 to axially fix the locking knob 2 to the panel 1. A guide hole 14 is provided at the bottom of the snap cap 6, and limiting buckles 8 are provided on both sides of the guide hole 14. A limiting hole 11 is also provided on the toggle piece 4. The toggle piece 4 passes through the guide hole 14 of the snap cap 6 and is inserted into the anti-rotation hole 13 of the locking knob 2, and abuts against the limiting rod 10. The limiting buckles 8 on the snap cap 6 are fastened into the limiting hole 11. The actuating piece 4 abuts against the limiting rod 10 to limit the depth of the actuating piece 4 when inserted into the anti-locking knob 2. The upper limit buckle 8 of the snap cap 6 is fastened into the limiting hole 11 of the actuating piece 4 to limit the actuating piece 4 axially. The actuating piece 4 is also provided with a break groove 7.

[0031] Usage and operating principle explanation:

[0032] The deadbolt knob 2 is injection molded from high-strength ABS plastic. The rotating mating surface is in transition fit with the panel 1. After the deadbolt knob 2 is forcibly inserted into the hole of the panel 1, the buckle cap 6 is fastened. The elastic connecting foot 9 and the slot 12 on the deadbolt knob 2 spring back and lock the positioning step of the buckle cap 6, so that the deadbolt knob 2 can only rotate and will not fall off. Since the end face of the buckle cap 6 has a large contact area, the axial wobble of the deadbolt knob 2 can be controlled to a very small extent, and there is a damping feeling when rotating, which significantly improves the user experience.

[0033] To facilitate finished product packaging, the actuating piece 4 is packaged as an accessory in an accessory bag. During installation, the customer only needs to forcefully insert the actuating piece 4 into the guide hole 14 of the buckle cap 6 and then into the anti-rotation hole 13 of the deadbolt knob 2. After insertion, the limit buckle 8 on the buckle cap 6 returns to its original position and engages with the limit hole 11 of the actuating piece 4, thus axially limiting the actuating piece 4. At this time, the actuating piece 4 is limited in five directions, making the actuating piece 4 perpendicular to the bottom of the panel 1, and can be easily inserted into the corresponding hole of the lock body to realize the opening and closing of the safety tongue.

[0034] The above description is merely a preferred embodiment of this utility model. It should be understood that this utility model is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the concept described herein through the above teachings or related technologies or knowledge. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this utility model should be protected within the scope of the appended claims.

Claims

1. A combined snap-lock structure, characterized in that: The device includes a locking knob (2), a snap cap (6), and a toggle piece (4). The locking knob (2) and the snap cap (6) are detachably connected, and the toggle piece (4) is detachably connected to the locking knob (2) and the snap cap (6). The locking knob (2) is provided with a connecting foot (9), and the surface of the connecting foot (9) is provided with a slot (12). The snap cap (6) can be fastened and fixed in the slot (12). The bottom of the snap cap (6) is provided with a guide hole (14), and the guide hole (14) is provided with limit buckles (8) on both sides. The toggle piece (4) is provided with a limit hole (11). When the toggle piece (4) passes through the guide hole (14) and is inserted into the locking knob (2), the limit buckle (8) is fastened into the limit hole (11).

2. The combined snap-lock structure according to claim 1, characterized in that: The anti-rotation hole (13) is provided inside the anti-rotation knob (2), and the toggle piece (4) can be inserted into the anti-rotation hole (13).

3. The combined snap-lock structure according to claim 2, characterized in that: The anti-rotation hole (13) is provided with a limiting rod (10), which abuts against the limiting rod (10) when the actuating piece (4) is inserted into the anti-rotation hole (13).

4. The combined snap-lock structure according to claim 1, characterized in that: The actuating piece (4) is provided with a break groove (7).

5. The combined snap-lock structure according to claim 1, characterized in that: The locking knob (2) is integrated with the connecting foot (9).

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