Lock box and mounting structure of lock box and door frame

Abstract

The utility model discloses a lock box which comprises a body, the body is provided with a concave cavity for a spring bolt to insert, two opposite side walls of the body are respectively provided with an elastic buckle, the body is provided with a convex edge at the edge of one side of an opening of the concave cavity, the top of each elastic buckle is provided with a clamping part with an inclined clamping surface, and a clamping gap is formed between each clamping part and the corresponding convex edge. According to the lock box, the edge of a door frame mounting hole is clamped and fixed through the clamping gap between the convex edge and the clamping part, and the lock box is simple and easy to mount without tools. The elastic buckles are elastically arranged, so that the clamping parts can conveniently enter the mounting holes, and meanwhile, the clamping gaps are variable in size and suitable for door frame profiles with different thicknesses.

Description

Technical Field

[0001] The utility model relates to the technical field of lock boxes, in particular to a lock box and an installation structure thereof with a door frame. Background Art

[0002] At present, the conventional lock box adapted to the door frame has a positioning hole on the lock box, and the screws are connected and fixed through the positioning hole and the slot on the door frame, and the installation requires the use of tools such as a screwdriver. Moreover, the lock box is basically made of metal to avoid damage to the lock box during screw installation. Utility Model Content

[0003] The utility model aims to provide a lock box which can be installed without tools.

[0004] The purpose of the utility model is achieved in this way.

[0005] A lock box comprises a body, wherein the body is provided with a concave cavity for inserting a lock tongue, two opposite side walls of the body are respectively provided with elastic buckles, the body is provided with a convex edge at one side edge of the concave cavity opening, a clamping part with an inclined clamping surface is provided on the top of the elastic buckle, and a clamping gap is formed between the clamping part and the convex edge.

[0006] The utility model clamps the edge of the door frame installation hole through the clamping gap between the convex edge and the clamping part, and the lock box is simple and easy to install without tools. The elastic buckle is elastically arranged to facilitate the clamping part to enter the installation hole, and at the same time, the size of the clamping gap is variable, which is suitable for door frame profiles of different thicknesses.

[0007] The above technical solution can be further improved as follows.

[0008] Furthermore, the main body is hollowed out with an inverted U-shaped portion to form the elastic buckle, and the bottom of the elastic buckle and the main body are integrally arranged. The elastic buckle is easy to shape and convenient to manufacture.

[0009] Furthermore, the inverted U-shaped portion is hollowed out from the side wall of the body to the bottom wall of the body, the elastic buckle includes a horizontal portion hollowed out from the bottom wall of the body and a vertical portion hollowed out from the side wall of the body, the inner end of the horizontal portion is integrally arranged with the body, the outer end of the horizontal portion is integrally connected with the bottom of the vertical portion, and the clamping portion extends from the outer side of the top of the vertical portion. The elastic buckle has a large elastic deformation range and is not easily damaged.

[0010] Furthermore, the elastic buckle is provided with a reinforcing rib supporting the bottom surface of the clamping part, and the reinforcing rib is provided with a guiding surface, and the guiding surface and the inclined clamping surface are in a horizontal V-shape with the opening facing inward. The reinforcing rib enhances the structural strength of the clamping part, and also guides the clamping part to move inward through the guiding surface, so as to facilitate the clamping part to be clamped into the mounting hole.

[0011] Furthermore, the inclined clamping surface of the clamping portion is composed of a plurality of steps. The clamping surface can abut against the edge of the mounting hole through any step, so that the lock box can be mounted stably and firmly.

[0012] Furthermore, the outer end of the clamping part protrudes from the convex edge. The clamping part is clamped in the door frame profile, and the lock box is installed more firmly.

[0013] Furthermore, the body is made of plastic material by injection molding, and the manufacturing cost of the lock box is low.

[0014] Furthermore, a lock box and door frame installation structure includes the lock box and door frame profile, the door frame profile side is provided with an installation hole, the body is inserted into the installation hole with the concave cavity opening facing outward, the edge of the installation hole contacts and squeezes the clamping part to move inward, and then the edge of the installation hole contacts the inclined clamping surface until the convex edge and the edge of the installation hole abut against each other, the edge of the installation hole is located in the clamping gap, and the convex edge and the inclined clamping surface clamp the edge of the installation hole. The lock box and the door frame are simple and easy to install.

[0015] The utility model has a lock box that clamps the edge of the door frame installation hole through the clamping gap between the convex edge and the clamping part, and the lock box is simple and easy to install without tools. The elastic buckle is elastically arranged, which facilitates the clamping part to enter the installation hole. At the same time, the size of the clamping gap is variable, which is suitable for door frame profiles of different thicknesses. The elastic buckle is elastically arranged, which facilitates the clamping part to enter the installation hole. At the same time, the size of the clamping gap is variable, which is suitable for door frame profiles of different thicknesses. The lock box and the door frame are simple and easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the lock box.

[0017] Figure 2 This is a schematic diagram of the installation of the lock box and door frame.

[0018] Figure 3 This is a schematic diagram of the structure after the lock box and door frame are installed.

[0019] Figure 4 for Figure 3 Schematic diagram of the cross-sectional structure. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Example 1, see Figure 1-4 As shown, a lock box includes a body 1, the body 1 is provided with a cavity 10 for inserting a lock tongue, two opposite side walls of the body 1 are respectively provided with elastic buckles 2, the body 1 is provided with a convex edge 11 at one edge of the opening of the cavity 10, a clamping portion 23 with an inclined clamping surface 20 is provided on the top of the elastic buckle 2, and a clamping gap 3 is formed between the clamping portion 23 and the convex edge 11.

[0022] In this embodiment, the body 1 is injection molded of a plastic material. The body 1 is hollowed out with an inverted U-shaped portion 12 to form the elastic buckle 2, and the bottom of the elastic buckle 2 is integrally arranged with the body 1. Specifically, the inverted U-shaped portion 12 is hollowed out from the side wall of the body 1 to the bottom wall of the body 1, and the elastic buckle 2 includes a horizontal portion 21 formed by the bottom wall of the body 1 and a vertical portion 22 formed by the side wall of the body 1. The inner end of the horizontal portion 21 is integrally arranged with the body 1, and the outer end of the horizontal portion 21 is integrally connected with the bottom of the vertical portion 22, and the clamping portion 23 extends from the outer side of the top of the vertical portion 22.

[0023] Among them, the outer side of the vertical portion 22 of the elastic buckle 2 is provided with a reinforcing rib 24 supporting the bottom surface of the clamping portion 23, and the reinforcing rib 24 is provided with a guide surface 25, and the guide surface 25 and the inclined clamping surface 20 are in a horizontal V-shape with the opening facing inward. The inclined clamping surface 20 of the clamping portion 23 is composed of a plurality of steps. The outer end of the clamping portion 23 protrudes from the edge of the convex edge 11.

[0024] See also Figure 2-4 As shown, a lock box and door frame installation structure includes the lock box and door frame profile 4, the door frame profile 4 is provided with an installation hole 40 on the side, the body 1 is inserted into the installation hole 40 with the concave cavity 10 opening outward, the edge of the installation hole 40 contacts and squeezes the clamping portion 23 to move inward, and then the edge of the installation hole 40 contacts the inclined clamping surface 20 until the convex edge 11 and the edge of the installation hole 40 abut against each other, the edge of the installation hole 40 is located in the clamping gap 3, and the convex edge 11 and the inclined clamping surface 20 clamp the edge of the installation hole 40. The lock box and door frame installation structure is simple and easy to implement.

Claims

1. A lock box, comprising a body (1), the body (1) being provided with a cavity (10) for inserting a lock tongue, wherein: Two opposite side walls of the body (1) are respectively provided with elastic buckles (2); the body (1) is provided with a convex edge (11) at an edge of one side of the opening of the concave cavity (10); a clamping portion (23) with an inclined clamping surface (20) is provided at the top of the elastic buckle (2); a clamping gap (3) is formed between the clamping portion (23) and the convex edge (11).

2. The lock box according to claim 1, characterized in that: The main body (1) is hollowed out with an inverted U-shaped portion (12) to form the elastic buckle (2), and the bottom of the elastic buckle (2) and the main body (1) are integrally arranged.

3. The lock box according to claim 2, characterized in that: The inverted U-shaped portion (12) is hollowed out from the side wall of the body (1) to the bottom wall of the body (1), and the elastic buckle (2) comprises a horizontal portion (21) hollowed out from the bottom wall of the body (1) and a vertical portion (22) hollowed out from the side wall of the body (1), the inner end of the horizontal portion (21) and the body (1) are integrally arranged, the outer end of the horizontal portion (21) and the bottom of the vertical portion (22) are connected to form an integral whole, and the clamping portion (23) extends from the outer side of the top of the vertical portion (22).

4. The lock box according to claim 1, characterized in that: The elastic buckle (2) is provided with a reinforcing rib (24) supporting the bottom surface of the clamping portion (23); the reinforcing rib (24) is provided with a guide surface (25); the guide surface (25) and the inclined clamping surface (20) are in a horizontal V-shape with the opening facing inwards.

5. The lock box according to claim 1, characterized in that: The inclined clamping surface (20) of the clamping portion (23) is composed of a plurality of steps.

6. The lock box according to claim 1, characterized in that: The outer end of the clamping portion (23) protrudes from the edge of the convex edge (11).

7. The lock box according to claim 1, characterized in that: The body (1) is made of plastic injection molding.

8. A lock box and door frame installation structure, comprising the lock box and door frame profile (4) according to any one of claims 1 to 7, characterized in that: A mounting hole (40) is provided on the side of the door frame profile (4), and the body (1) is inserted into the mounting hole (40) with the opening of the concave cavity (10) facing outward, the edge of the mounting hole (40) contacts and squeezes the clamping portion (23) to move inward, and then the edge of the mounting hole (40) contacts the inclined clamping surface (20) until the convex edge (11) and the edge of the mounting hole (40) abut against each other, the edge of the mounting hole (40) is located in the clamping gap (3), and the convex edge (11) and the inclined clamping surface (20) clamp the edge of the mounting hole (40).

Images