Precise positioning van vehicle door lock rod device
By adopting a combination of rectangular locking rod and T-block in the door locking rod, the problem of larger gaps during installation of the door locking rod is solved, and the precise alignment and stable operation of the locking rod and the lock head are achieved.
Patent Information
- Application Number
- CN202420812660.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-19
AI Technical Summary
Due to the cylindrical structure of the existing door lock lever, the gaps are prone to become larger during installation, resulting in the lock lever being unable to align with the lock head and unable to work normally.
A precisely positioned van door locking rod is designed, which uses a rectangular locking rod to cooperate with the T-block and the T-slot on the mounting plate, and is fixedly connected with the connecting plate and the locking groove through the T-block, and uses the rectangular plate and the connection. The toggle mechanism of the pin ensures accurate alignment of the lock lever and the lock head.
The precise alignment of the lock lever and the lock head is achieved to prevent the lock lever from rotating, ensuring that the lock lever does not cause frame movement when moving up and down the mounting plate, and ensuring normal operation.
Smart Images

Figure CN222140965U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of locking rod devices, in particular to a precise positioning locking rod device for a van-type vehicle door. Background Art
[0002] A van door refers to a door design that has a sliding door or a side-opening door on the side of the truck or bus body to facilitate the loading and unloading of goods or passengers. This door design is usually used at the rear or side of a truck or bus, which can improve the loading and unloading efficiency and convenience of the vehicle. Van doors are widely used in the logistics and transportation industries and the passenger transport industry.
[0003] However, the existing door lock rods are all cylindrical in structure. When installed, the lock rod is installed on the door using a sleeve so that the lock rod can move up and down. After such lock rod is used for a period of time, the gap between the lock rod and the sleeve tends to become larger, causing the lock rod to move, making it impossible for the lock rod to be aligned with the lock head, and making it impossible for the lock rod to work normally. Utility Model Content
[0004] In view of the shortcomings of the prior art, the utility model provides a precise positioning van door lock rod device, which has the advantage of good stability and solves the problem that the existing door lock rods are all cylindrical structures. During installation, the lock rod is installed on the door using a sleeve so that the lock rod can move up and down. When such a lock rod is used for a period of time, the gap between the lock rod and the sleeve tends to become larger, causing the lock rod to move, making it impossible to align the lock rod with the lock head, and making it impossible for the lock rod to work normally.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precise positioning van door lock rod device, comprising a lock head and a mounting plate, a lock rod is movably mounted on the mounting plate, and a positioning anti-loosening mechanism is provided between the mounting plate and the lock rod;
[0006] The positioning and anti-loosening mechanism includes a T-shaped slot opened on the surface of the mounting plate, a T-shaped block is movably installed in the T-shaped slot, the T-shaped block extends to the surface of the mounting plate, the locking rod is fixedly connected to the T-shaped block, a connecting plate is fixedly installed on the surface of the mounting plate, a connecting block is fixedly installed on the surface of the locking rod, a locking slot is opened on the side surface of the lock head, a locking block is fixedly installed on the surface of the locking rod, and a toggle mechanism is provided between the connecting plate and the connecting block.
[0007] Furthermore, the surface of the lock head is provided with lock head fixing holes, the number of the lock head fixing holes is three, and the three lock head fixing holes are evenly distributed on the surface of the lock head.
[0008] The beneficial effect of adopting the above further solution is that the lock can be easily fixedly installed at a designated position.
[0009] Furthermore, a fixing block is fixedly mounted on the opposite side surface of the mounting plate, and two first mounting holes are opened on the surface of the fixing block.
[0010] The beneficial effect of adopting the above further solution is that it is easy to fix the mounting plate at a designated position.
[0011] Furthermore, six second mounting holes are opened on the surface of the connection plate, and each three second mounting holes form a group and are symmetrically distributed on the surface of the connection plate.
[0012] The beneficial effect of adopting the above further solution is that it is easy to fix the connecting plate at a specified position.
[0013] Furthermore, the number of the locking heads and the number of the locking blocks are both two, and the internal shape and size of the locking groove are adapted to the external shape and size of the locking block.
[0014] The beneficial effect of adopting the above further solution is that the locking block is easy to be inserted into the locking groove.
[0015] Furthermore, the toggle mechanism includes a connecting pin fixedly mounted on the surface of the connecting plate, a rectangular plate is rotatably mounted on the surface of the connecting block, and the rectangular plate is slidably mounted on the surface of the connecting pin.
[0016] The beneficial effect of adopting the above further solution is that the lock rod can be easily moved up and down by the toggle mechanism.
[0017] Furthermore, a rectangular hole is opened on the surface of the rectangular plate, the connecting pin is located in the rectangular hole, and the outer surface of the connecting pin is in sliding contact with the inner surface of the rectangular hole.
[0018] The beneficial effect of adopting the above further solution is that it is easy for the rectangular plate to move on the connecting pin.
[0019] Furthermore, the cross-sectional shape of the locking rod is rectangular, and the locking rod is in sliding contact with the mounting plate.
[0020] The beneficial effect of adopting the above further solution is that it is easy to move the locking rod on the surface of the mounting plate and can prevent the locking rod from rotating.
[0021] Compared with the prior art, the technical solution of this application has the following beneficial effects:
[0022] The precise positioning van door lock rod device provides a T-shaped block on the lock rod, a T-shaped groove on the mounting plate, and connects the lock rod and the mounting plate through the T-shaped block. The lock rod is designed to be rectangular, so that the lock rod can be moved up and down on the surface of the mounting plate when in use, and can prevent the lock rod from rotating on the mounting plate. The shape of the lock rod surface and the T-shaped block are used to better align the lock block on the lock rod with the lock groove on the lock head, so that the lock block can be accurately inserted into the lock groove, which solves the problem that the existing car door lock rods are all cylindrical structures, and the lock rod is installed on the car door with a sleeve during installation, so that the lock rod can move up and down. After such lock rod is used for a period of time, the gap between the lock rod and the sleeve is likely to become larger, causing the lock rod to move, making it impossible for the lock rod to be aligned with the lock head, and making the lock rod unable to work normally. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a schematic diagram of the connection between the lock head and the lock rod of the utility model structure;
[0024] Figure 2 This is a schematic diagram of the structural connecting pin of the utility model;
[0025] Figure 3 This is a schematic diagram of the structural connection block of the utility model;
[0026] Figure 4 This is a schematic diagram of the structural installation plate of the utility model;
[0027] Figure 5 This is a schematic diagram of the lock rod structure of the utility model;
[0028] Figure 6 It is a schematic diagram of a structural rectangular plate of the utility model.
[0029] In the figure: 1, lock head; 2, mounting plate; 3, locking rod; 4, T-slot; 5, T-block; 6, connecting plate; 7, connecting block; 8, lock slot; 9, locking block; 10, lock head fixing hole; 11, fixing block; 12, first mounting hole; 13, second mounting hole; 14, connecting pin; 15, rectangular plate; 16, rectangular hole. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] See also Figure 1-6In this embodiment, a precise positioning van door lock rod device includes a lock head 1 and a mounting plate 2. A lock head fixing hole 10 is opened on the surface of the lock head 1. The number of the lock head fixing holes 10 is three. The three lock head fixing holes 10 are evenly distributed on the surface of the lock head 1, which is convenient for fixing the lock head 1 at a specified position. A fixing block 11 is fixedly installed on the surface of the opposite side of the mounting plate 2. The surface of the fixing block 11 is opened with two first mounting holes 12, which is convenient for fixing the mounting plate 2 at a specified position. A lock rod 3 is movably installed on the mounting plate 2. The cross-sectional shape of the lock rod 3 is rectangular. The lock rod 3 is in sliding contact with the mounting plate 2, which is convenient for the lock rod 3 to move on the surface of the mounting plate 2, and can prevent the lock rod 3 from rotating. A positioning anti-loosening device is provided between the mounting plate 2 and the lock rod 3. The movable mechanism and the positioning and anti-loosening mechanism include a T-slot 4 opened on the surface of the mounting plate 2, a T-block 5 is movably installed in the T-slot 4, the T-block 5 extends to the surface of the mounting plate 2, the locking rod 3 is fixedly connected to the T-block 5, a connecting plate 6 is fixedly installed on the surface of the mounting plate 2, six second mounting holes 13 are opened on the surface of the connecting plate 6, and every three second mounting holes 13 form a group and are symmetrically distributed on the surface of the connecting plate 6, so as to facilitate the fixing and installation of the connecting plate 6 at a designated position, a connecting block 7 is fixedly installed on the surface of the locking rod 3, a locking groove 8 is opened on the side surface of the lock head 1, a locking block 9 is fixedly installed on the surface of the locking rod 3, the number of the lock head 1 and the locking block 9 are both two, and the internal shape and size of the locking groove 8 are adapted to the external shape and size of the locking block 9, so as to facilitate the locking block 9 to be inserted into the locking groove 8.
[0032] A toggle mechanism is provided between the connecting plate 6 and the connecting block 7, and the toggle mechanism includes a connecting pin 14 fixedly mounted on the surface of the connecting plate 6, and a rectangular plate 15 is rotatably mounted on the surface of the connecting block 7, and the rectangular plate 15 is slidably mounted on the surface of the connecting pin 14. The toggle mechanism facilitates the up and down movement of the locking rod 3, and a rectangular hole 16 is provided on the surface of the rectangular plate 15. The connecting pin 14 is located in the rectangular hole 16. The outer surface of the connecting pin 14 is in sliding contact with the inner surface of the rectangular hole 16, so that the rectangular plate 15 can move on the connecting pin 14 easily.
[0033] It should be noted that, in this embodiment, there are two T-shaped blocks 5 , and the outer surface of the T-shaped block 5 is in sliding contact with the inner surface of the T-shaped groove 4 .
[0034] It should be noted that a circular hole is opened on the surface of the rectangular plate 15 in this embodiment, and a groove is opened on the surface of the connecting block 7. A fixing pin is fixedly installed in the groove, and the fixing pin is located in the circular hole. The rectangular plate 15 can be rotated on the surface of the connecting block 7 through the fixing pin and the circular hole.
[0035] It should be noted that, in the present embodiment, the connecting pin 14 is fixedly installed with two anti-drop plates, the rectangular plate 15 is located between the surfaces of the two opposite sides of the anti-drop plates, the rectangular plate 15 is in sliding contact with the anti-drop plates, the diameter of the anti-drop plates is larger than the width of the rectangular hole 16, and the anti-drop plates can prevent the rectangular plate 15 from falling off the connecting pin 14.
[0036] The working principle of the above embodiment is:
[0037] When in use, the two lock heads 1 are fixedly installed in the specified position using the lock head fixing holes 10, and the mounting plate 2 and the connecting plate 6 are fixedly installed in the specified position using the first mounting hole 12 and the second mounting hole 13. At this time, the position of the lock groove 8 corresponds to the position of the lock block 9. By pushing the end of the rectangular plate 15 away from the connecting block 7 downward, the rectangular plate 15 pushes the lock rod 3 upward with the connecting pin 14 as a fulcrum. At this time, the T-shaped block 5 slides in the T-shaped slot 4 until the lock block 9 is stuck in the lock slot 8, and the lock rod 3 can be assembled with the lock head 1. The mutual cooperation between the T-shaped slot 4 and the T-shaped block 5 can prevent the lock rod 3 from being offset, so that the lock block 9 can be accurately stuck in the lock slot 8.
[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A precise positioning lock rod device for a van door, comprising a lock head (1) and a mounting plate (2), wherein a lock rod (3) is movably mounted on the mounting plate (2), and characterized in that: A positioning and anti-loosening mechanism is provided between the mounting plate (2) and the locking rod (3); The positioning and anti-loosening mechanism comprises a T-shaped groove (4) provided on the surface of the mounting plate (2), a T-shaped block (5) being movably installed in the T-shaped groove (4), the T-shaped block (5) extending to the surface of the mounting plate (2), the locking rod (3) being fixedly connected to the T-shaped block (5), a connecting plate (6) being fixedly installed on the surface of the mounting plate (2), a connecting block (7) being fixedly installed on the surface of the locking rod (3), a locking groove (8) being provided on the side surface of the locking head (1), a locking block (9) being fixedly installed on the surface of the locking rod (3), and a toggle mechanism being provided between the connecting plate (6) and the connecting block (7).
2. The precise positioning van door lock rod device according to claim 1, characterized in that: The surface of the lock head (1) is provided with lock head fixing holes (10), the number of the lock head fixing holes (10) is three, and the three lock head fixing holes (10) are evenly distributed on the surface of the lock head (1).
3. The precise positioning van door lock rod device according to claim 1, characterized in that: A fixing block (11) is fixedly mounted on the opposite side surface of the mounting plate (2), and two first mounting holes (12) are opened on the surface of the fixing block (11).
4. The precise positioning van door lock rod device according to claim 1, characterized in that: The surface of the connecting plate (6) is provided with six second mounting holes (13), and each three second mounting holes (13) form a group and are symmetrically distributed on the surface of the connecting plate (6).
5. The precise positioning van door lock rod device according to claim 1, characterized in that: The number of the locking head (1) and the number of the locking block (9) are both two, and the internal shape and size of the locking groove (8) are adapted to the external shape and size of the locking block (9).
6. The precise positioning van door lock rod device according to claim 1, characterized in that: The toggle mechanism comprises a connecting pin (14) fixedly mounted on the surface of the connecting plate (6); a rectangular plate (15) is rotatably mounted on the surface of the connecting block (7); and the rectangular plate (15) is slidably mounted on the surface of the connecting pin (14).
7. The precise positioning van door lock rod device according to claim 6, characterized in that: A rectangular hole (16) is opened on the surface of the rectangular plate (15), the connecting pin (14) is located in the rectangular hole (16), and the outer surface of the connecting pin (14) is in sliding contact with the inner surface of the rectangular hole (16).
8. The precise positioning van door lock rod device according to claim 1, characterized in that: The cross-sectional shape of the locking rod (3) is rectangular, and the locking rod (3) is in sliding contact with the mounting plate (2).
