A built-in hidden door lock device for van

Abstract

A van built-in hidden door lock device, including van welding assembly and a plurality of small hinge fixed on one side of van welding assembly, the outer edge of van welding assembly is provided with a recessed keel slot, the keel slot is embedded with sealing strip, the back of van welding assembly is provided with door lock structure, and the opening handle of door lock structure is arranged in the embedded lock box recessed on the surface of van welding assembly. The utility model van closes, and the sealing strip is completely hidden, does not directly contact with the outside world, reduces the irradiation of ultraviolet, improves the anti-aging property of sealing strip, also avoids the direct scratch of sealing strip and goods, prolongs the service life of sealing strip; The built-in hidden design of door lock device is not easy to cause vehicle scratch, vehicle driving is safer and more reliable, air resistance in vehicle driving is reduced, vehicle is more energy-saving, and environmental protection.

Description

Technical Field

[0001] This utility model relates to the field of automobile compartment technology, specifically a built-in hidden door lock device for a van. Background Technology

[0002] Currently, most van doors use external seals, with sealing strips made of PVC or EPDM rubber. However, both types of seals have a fatal flaw: seal failure. Over time, the sealing strips, exposed to air, humidity, temperature differences between day and night, and ultraviolet radiation, gradually age and lose elasticity, affecting the overall sealing of the cargo compartment. Therefore, there is an urgent need for a door locking device that can conceal the sealing strip internally, effectively isolating it from the outside environment.

[0003] In addition, modern box trucks have external door locks and handles that extend beyond the width of the cargo box. This makes them prone to colliding with other vehicles during transport, especially in narrow mountainous areas, and also increases wind resistance outside the cargo box. Utility Model Content

[0004] To address the aforementioned problems, the purpose of this utility model is to provide a built-in hidden door lock device for vans, which not only isolates the sealing strip from the outside when closed, but also features a hidden lock rod and handle design, reducing the width of the van and minimizing wind resistance.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows: a built-in hidden door lock device for a van, including a door welding assembly and a plurality of small hinges fixed at intervals on one side of the door welding assembly. The outer edge of the door welding assembly is provided with an inwardly recessed keel groove, and a sealing strip is embedded in the keel groove. A door lock structure is provided on the back of the door welding assembly, and the opening handle of the door lock structure is located in an embedded lock box recessed on the surface of the door welding assembly.

[0006] Furthermore, a lock seat fixing bracket is fixed on the back of the door welding assembly. The door lock structure includes a handle and a lock rod assembly. The opening of the embedded lock box is set on the surface of the door welding assembly, and the embedded lock box is fixed in the lock seat fixing bracket. The lock rod assembly passes through the frame on the back of the door welding assembly and the embedded lock box. A handle is fixed in the lock rod assembly in the embedded lock box. Door lock hooks are fixed at the upper and lower ends of the lock rod assembly respectively.

[0007] Furthermore, multiple horizontal "U"-shaped intermediate supports for the door are fixed within the frame on the back of the door welding assembly, and the two ends of the intermediate supports are welded to the back of the door welding assembly.

[0008] Furthermore, the part of the locking rod assembly that passes through the middle support of the door is fitted with a nylon bushing.

[0009] Furthermore, the door welding assembly opposite the small hinge is provided with an outwardly extending sealing strip fixing plate.

[0010] Furthermore, the frame of the door welding assembly includes vertical door supports on the left and right sides and horizontal door supports on the top and bottom.

[0011] Furthermore, the small hinge is fixedly connected to the hinge reinforcement plate fixed to the back of the door welding assembly by welding square nuts.

[0012] With the above settings, this utility model fixes the sealing strip to the door frame. After the door is closed, the sealing strip is squeezed by the horizontal support of the door, thus achieving the functions of sealing and rain protection. Since the sealing strip is completely hidden from the outside, it does not come into direct contact with the outside world, reducing the exposure to ultraviolet rays and improving the anti-aging properties of the sealing strip. The built-in sealing strip also avoids direct friction between the sealing strip and the goods, extending the service life of the sealing strip.

[0013] This utility model features a built-in concealed door lock design, embedding the lock within the cargo box door without exceeding its width. The door handle and lock mounting bracket are also located inside the cargo box door, concealed from view. This eliminates any protrusions from the sides and door of the cargo box, reducing the risk of collisions, especially on narrow mountain roads or when passing other vehicles, thus enhancing vehicle safety and reliability. Furthermore, with the rise of new energy electric vehicles, energy conservation and emission reduction are becoming increasingly important. The built-in concealed door lock mechanism reduces air resistance during vehicle operation, making the vehicle more energy-efficient and environmentally friendly. The built-in concealed door lock also boasts aesthetic appeal, a high visual impact, and a longer service life, broadening the application scenarios for vans. Attached Figure Description

[0014] The present invention will now be further described with reference to the accompanying drawings.

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram of the inner side of the present invention; Figure 3 for Figure 2 A partial enlarged structural diagram of A. Detailed Implementation Example 1

[0016] like Figure 1-3As shown, an built-in hidden door lock device for a van includes a car door welding assembly 1 and a plurality of small hinges 2 fixed at intervals on one side of the car door welding assembly 1. The outer edge of the car door welding assembly 1 is provided with an inwardly recessed keel clamping groove, in which a sealing rubber strip is embedded. The back of the car door welding assembly 1 is provided with a door lock structure, and the opening handle 4 of the door lock structure is arranged in the recessed built-in lock box 3 on the surface of the car door welding assembly 1. Specifically: the car door (i.e., the car door welding assembly 1) adopts an integral bending structure, a square hole for installing the built-in lock seat is reserved under the car door, the "several"-shaped cross beam on the back of the car door, that is, a plurality of horizontal "several"-shaped car door intermediate supports 8 are fixed in the frame on the back of the car door welding assembly 1, and both ends of the car door intermediate support 8 are respectively welded and connected closely to the back of the car door welding assembly 1. The car door intermediate support 8 is provided with a Φ16 lock rod through hole, the thickness of the car door is 40mm, and a 17mm sealing installation surface is reserved. The car door body is made of high-strength steel, and the car door vertical support is made of high-strength steel; A rubber cushion block is installed on the small hinge 2, which is used for buffering after the car door is opened. The opening angle of the side door small hinge is greater than 180°, the opening angle of the rear door small hinge structure is greater than 270°, the two hinge leaves of the small hinge 2 are connected by a spline pin pressing-in mode, a copper bush is sleeved on the inner side of the pin shaft, and there is a certain resistance when the hinge leaves of the small hinge 2 rotate. After sandblasting treatment on the surface, the whole surface is galvanized.

[0017] A lock seat fixing bracket 9 is fixed on the back of the car door welding assembly 1. The door lock structure includes a handle 4 and a lock rod assembly 10. The opening of the built-in lock box 3 is arranged on the surface of the car door welding assembly 1, and the built-in lock box 3 is fixed in the lock seat fixing bracket 9. The lock rod assembly 10 penetrates the upper and lower parts of the frame on the back of the car door welding assembly 1 and the built-in lock box 3, and the handle 4 is fixed on the lock rod assembly 10 in the built-in lock box 3. The upper and lower ends of the lock rod assembly 10 are respectively fixed with door lock hooks 11. Specifically: the lock rod assembly 10 adopts a Φ16 cold-drawn steel pipe, or a Φ16 stainless steel pipe. The two ends of the lock rod of the lock rod assembly 10 are welded with door lock hooks 11, that is, lock hooks. The lock rod is integrally galvanized, and the stainless steel is subjected to wire drawing and polishing treatment. After the car door is closed, the door lock hooks 11 are just engaged into the lock hook seats of the car body frame. The lock hook seat is a mold-formed structure with a counterbore, and the surface is galvanized.

[0018] The door lock assembly is the same as the prior art, including components such as a lock box (i.e., the built-in lock box 3) and a handle (i.e., the opening handle 4), and a hook. The lock box is formed by die drawing with a depth of 30.5mm or 45.5mm. The hook is equipped with a spring locking structure and is connected with the lock box in a riveting manner. The handle adopts a sheet metal forming structure, and the lying ring is vulcanized with rubber. The handle and the lock rod assembly 10 are fixed by an open-type spring pin or a blind rivet. The whole is made of stainless steel or integrally galvanized. All mounting and fixing bolts are located on the inner side of the car door, which has a good anti-theft function.

[0019] The locking rod assembly 10 is fitted with a nylon bushing 12 through the middle support 8 of the door. The nylon bushing 12 is made of nylon P6 material, integrally molded by a mold, and has mounting holes. It is fixed to the middle support 8 of the door with cross countersunk screws to prevent water leakage.

[0020] The door welding assembly 1, which is opposite to the small hinge 2, is equipped with an outwardly extending sealing strip fixing plate 5. That is, the sealing structure of the entire cargo door adopts an internal seal, the sealing strip is made of EPDM material, and is fixed to the door frame by a keel groove fixing method.

[0021] The frame of the door welding assembly 1 includes vertical door supports 7 on the left and right sides and horizontal door supports 6 on the top and bottom. The small hinges 2 are fixedly connected to the hinge reinforcement plate fixed on the back of the door welding assembly 1 by welding square nuts.

[0022] The above description is merely an illustrative embodiment of this utility model and is not intended to limit the scope of this utility model. Any equivalent changes and modifications made by those skilled in the art without departing from the concept and principles of this utility model should fall within the protection scope of this utility model.

Claims

1. A built-in concealed door lock device for a van, comprising a door welding assembly (1) and a plurality of small hinges (2) fixed at intervals on one side of the door welding assembly (1), characterized in that: The outer edge of the compartment door welded assembly (1) is provided with an inwardly recessed keel clamping groove, in which a sealing rubber strip is embedded. The back of the compartment door welded assembly (1) is provided with a door lock structure, and the opening handle (4) of the door lock structure is disposed in the recessed embedded lock box (3) on the surface of the compartment door welded assembly (1).

2. The built-in concealed door lock device for a van as described in claim 1, characterized in that: A lock seat fixing bracket (9) is fixed to the back of the compartment door welded assembly (1). The door lock structure comprises a handle (4) and a lock rod assembly (10). The opening of the embedded lock box (3) is arranged on the surface of the compartment door welded assembly (1), and the embedded lock box (3) is fixed inside the lock seat fixing bracket (9). The lock rod assembly (10) penetrates through the top and bottom of the frame on the back of the compartment door welded assembly (1) and the embedded lock box (3), the handle (4) is fixed to the part of the lock rod assembly (10) located inside the embedded lock box (3), and the upper and lower ends of the lock rod assembly (10) are each fixed with a door lock hook (11).

3. The built-in concealed door lock device for a van as described in claim 1, characterized in that: A plurality of horizontal several-shaped middle compartment door supports (8) are fixed in the frame on the back of the compartment door welded assembly (1), and both ends of each middle compartment door support (8) are in close contact with and welded to the back of the compartment door welded assembly (1).

4. The built-in concealed door lock device for a van as described in claim 3, characterized in that: The portion of the lock rod assembly (10) that penetrates through the middle compartment door support (8) is sleeved with a nylon bushing (12).

5. The built-in concealed door lock device for a van as described in claim 1, characterized in that: The compartment door welded assembly (1) opposite to the small hinge (2) is provided with a sealing strip fixing plate (5) extending outward.

6. The built-in concealed door lock device for a van as described in claim 2, characterized in that: The frame of the compartment door welded assembly (1) comprises vertical door supports (7) on the left and right sides and horizontal compartment door supports (6) at the top and bottom.

7. The built-in concealed door lock device for a van as described in claim 1, characterized in that: The small hinge (2) is fixedly connected to the hinge reinforcing plate fixed on the back of the compartment door welded assembly (1) through a welding square nut.

Images