A vehicle door lock assembly structure
By installing linked inner and outer handles and locking mechanisms on the carriage doors, the problem of passengers inside the carriage being unable to open and close the doors independently has been solved, enabling passengers inside the carriage to lock and unlock the doors themselves, thus improving convenience and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- GOLDEN PINECONE NEW MATERIAL TECH CO LTD
- Filing Date
- 2023-12-22
- Publication Date
- 2026-04-10
AI Technical Summary
In existing technology, people inside the carriage cannot open and close the carriage doors independently; external operation is required, which is inconvenient and poses safety hazards.
An interlocking outer handle and inner handle are installed on both the inner and outer sides of the right door of the carriage. The inner handle is set vertically to the outer handle, so that the inner handle is horizontally locked against the inner wall of the left door when the outer handle is vertical. Combined with the locking mechanism, this allows the occupants of the carriage to lock and unlock themselves.
Passengers inside the carriage can open and close the doors themselves, ensuring that the doors cannot be opened from the outside when the carriage is carrying passengers, thus improving convenience and safety.
Smart Images

Figure CN117569692B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of carriage door lock, in particular to a carriage door lock assembly structure. BACKGROUND
[0002] The box door of the truck carriage is usually connected with the side or tail of the carriage by vertical hinge shaft, which is used to block the goods in the carriage and prevent loss, and facilitate loading and unloading goods in the carriage. According to the use of the carriage, if the indoor is for carrying people, if the carriage door can only be locked from the outside, then the person in the carriage room needs to operate from the outside to open the door, and the person in the carriage room cannot independently open and close the truck carriage door, which is passive. SUMMARY
[0003] In view of the deficiencies in the prior art, the purpose of the present application is to provide a carriage door lock assembly structure, which installs a linkage outer handle and an inner handle on the inner and outer sides of the right door, and vertically sets the outer handle body and the inner handle body, so that the outer handle body is in a vertical state and the inner handle body is in a horizontal state to be clamped on the inner wall of the left door, and the person in the carriage room can rotate the inner handle to lock and unlock the door.
[0004] In order to achieve the above purpose, the present application is realized by the following technical scheme:
[0005] A carriage door lock assembly structure comprises:
[0006] A right door and a left door, an outer handle is installed on the outer side of the right door close to the left door, a baffle is arranged on the edge of the right door, and the right door presses the left door through the baffle when the right door and the left door are closed.
[0007] An inner handle is installed on the inner side of the right door and comprises an inner handle body, one end of the inner handle body is fixedly connected with the rotating shaft of the outer handle, the inner handle body is vertically arranged with the outer handle body, and the inner handle body is in a horizontal state to be clamped on the inner wall of the left door when the outer handle body is in a vertical state.
[0008] As a further implementation, the outer handle is installed on the outer side of the right door through an outer handle mounting plate, the inner handle is installed on the inner side of the right door through an inner handle mounting plate, and the outer handle mounting plate and the inner handle mounting plate are fixedly connected through bolts and nuts penetrating the right door.
[0009] As a further implementation, the rotating shaft of the outer handle penetrates the outer handle mounting plate and rotationally cooperates with the outer handle mounting plate, and the rotating shaft of the outer handle extends into the interior of the right door.
[0010] As a further implementation manner, the inner handle includes a round tube arranged at one end of the inner handle body, one end of the round tube penetrates through the inner handle mounting plate and is rotationally matched with the inner handle mounting plate, and the fixing member is threadedly matched with the round tube and the rotating shaft to realize relative fixing of the inner handle and the outer handle.
[0011] As a further implementation manner, the inner handle mounting plate is abutted against the limiting plate at the front end of the round tube, and the rotating shaft and the round tube are both located at the right door opening.
[0012] As a further implementation manner, the rotating shaft is provided with a boss at the circumferential side, and the boss is abutted against the outer side of the outer handle mounting plate.
[0013] As a further implementation manner, the locking surface of the inner handle body close to the left door is a planar structure.
[0014] As a further implementation manner, the rotating range of the outer handle body is 90°.
[0015] As a further implementation manner, the locking mechanism further includes a fixing frame, the fixing frame is mounted on the left door and is lower than the axis of the inner handle, a sliding rod is slidably arranged on the fixing frame, a handle is arranged on the sliding rod, two openings are arranged on the fixing frame, and the handle is clamped with different openings to realize extension or retraction of the sliding rod.
[0016] As a further implementation manner, when the sliding rod is extended, the sliding rod is abutted against the bottom surface of the end of the inner handle body.
[0017] The beneficial effects of the above-mentioned application are as follows:
[0018] 1. The application installs the linkage outer handle and inner handle on the right door of the vehicle cabin, and vertically arranges the outer handle body and the inner handle body, so that the outer handle body is in a vertical state and the inner handle body is in a horizontal state to be clamped on the inner wall of the left door, and personnel in the vehicle cabin can rotate the inner handle to realize locking and unlocking of the door.
[0019] 2. The application can ensure that the locked door cannot be opened from the outside when personnel are in the vehicle cabin by arranging the locking mechanism. BRIEF DESCRIPTION OF DRAWINGS
[0020] The drawings accompanying the specification of the application form a part of the application and serve to further understand the application. The schematic embodiments of the application and the description thereof are used to explain the application, and do not constitute an improper limitation on the application.
[0021] Figure 1 is a structural schematic view of a vehicle cabin in an embodiment of the application;
[0022] Figure 2 is a structural schematic view of an inner handle of a vehicle cabin in an embodiment of the application;
[0023] Figure 3 is a structure diagram of the outer handle of the carriage in the embodiment of the present application;
[0024] Figure 4 is Figure 3 is a schematic diagram of the A-A section in the embodiment;
[0025] Figure 5 is Figure 4 is a schematic diagram of the B-B locking state in the embodiment;
[0026] Figure 6 is Figure 4 is a schematic diagram of the B-B unlocking state in the embodiment;
[0027] Figure 7 is a schematic diagram of the cooperation between the inner handle and the slide rod in the embodiment of the present application;
[0028] Figure 8 is a schematic diagram of the cooperation between the inner handle and the slide rod in the embodiment of the present application;
[0029] Figure 9 is a schematic diagram of the cooperation between the inner handle and the outer handle in the embodiment of the present application;
[0030] Figure 10 is a schematic diagram of the structure of the inner handle in the embodiment of the present application.
[0031] In the drawings, the mutual distance or size is exaggerated for showing the position of each part, and the schematic diagram is only for illustration.
[0032] In the drawings, 1 is the left door, 2 is the right door, 3 is the outer handle, 4 is the inner handle, 5 is the inner handle mounting plate, 6 is the outer handle mounting plate, 7 is the slide rod, 8 is the fixing frame, 9 is the opening, 10 is the bolt, 11 is the nut, 12 is the fixing piece, 13 is the bolt; 41 is the limiting plate, and 42 is the round tube. DETAILED DESCRIPTION
[0033] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
[0034] Embodiment One
[0035] In a typical embodiment of the present application, referring to Figure 1 , a carriage door lock assembly structure includes a right door 2 and a left door 1 at the tail of the carriage, which closes the carriage when the right door 2 and the left door 1 are closed. The outer handle 3 is installed near the left door side of the right door in the middle position, and the right door is provided with a baffle at the edge. When the right door 2 and the left door 1 are closed, the right door 2 presses the left door 1 through the baffle. In order to open the left door 1, the right door 2 needs to be opened first.
[0036] In order to realize that the passengers in the carriage can open the door by operating the handle when the carriage is carrying passengers, the embodiment further provides an inner handle 4, wherein the inner handle 4 is installed on the inner side of the right door 2 and comprises an inner handle body, one end of the inner handle body is fixedly connected with the rotating shaft of the outer handle 3, the inner handle body is vertically arranged with the outer handle body, when the outer handle body is in the vertical state, the inner handle body is in the horizontal state to be clamped on the inner wall of the left door, and when the outer handle body is rotated to make the inner handle body release the clamping state with the left door, the right door can be opened.
[0037] As shown in Figure 2 , the outer handle 3 is installed on the outer side of the right door 2 through an outer handle mounting plate 6, and the inner handle 4 is installed on the inner side of the right door 2 through an inner handle mounting plate 5.
[0038] As shown in Figure 4 and Figure 9 , the outer handle mounting plate 6 and the inner handle mounting plate 5 are both rectangular, and are fixed on the right door through bolts 10 and nuts 11.
[0039] As shown in Figure 2 , the outer handle comprises an outer handle body and a rotating shaft arranged at one end of the outer handle body, the rotating shaft is vertically arranged with the outer handle body, and the right door 2 is provided with an opening at a position corresponding to the installation position of the rotating shaft of the outer handle. The rotating shaft is provided with a boss on the circumferential side, and the boss abuts against the outer side of the outer handle mounting plate to limit the installation of the outer handle. The rotating shaft penetrates through the outer handle mounting plate 6 and is rotationally matched with the outer handle mounting plate 6, and the rotating shaft of the outer handle 3 extends into the right door.
[0040] When the boss abuts against the outer handle mounting plate, the rotating shaft penetrates through the outer handle mounting plate 6 and is located at the opening in the right door, and the end of the rotating shaft is provided with an internal thread.
[0041] As shown in Figure 10 , the inner handle 4 comprises an inner handle body and a circular tube 42 arranged at one end of the inner handle body, and the front end of the circular tube is provided with a limiting plate 41. The circular tube 42 is vertically arranged with the inner handle body, one end of the circular tube close to the limiting plate penetrates through the inner handle mounting plate and is rotationally matched with the inner handle mounting plate, and the other end of the circular tube 42 is located on the inner side of the inner handle mounting plate.
[0042] As shown in Figure 2 , the inner handle mounting plate 5 of the embodiment abuts against the limiting plate 41 at the front end of the circular tube 42 to prevent the inner handle from falling into the carriage relative to the inner handle mounting plate.
[0043] The circular tube 42 and the rotating shaft of the embodiment are located at the right door opening, the limiting plate 41 at the end of the circular tube 42 abuts against the end of the rotating shaft, and are located on the same axis, a hole is opened at the corresponding position of the limiting plate 41, the axis of the circular tube 42 is provided with an internal thread, and then the inner handle 4 and the outer handle 3 are relatively fixed through the threaded cooperation of the fixing member and the circular tube 42 and the rotating shaft.
[0044] As shown in Figures 4-6 , after the inner handle body and the outer handle body are relatively fixed, the inner handle body and the outer handle body are vertically arranged, as shown in Figure 10 , in order to prevent the fixing member 12 (bolt) from falling off, a second bolt 13 can be used to threadedly cooperate with the circular tube 42, the front end of the bolt 13 abuts against the fixing member 12 to prevent the fixing member 12 from falling out. Of course, the rotation direction of the internal thread can also be set to ensure that the fixing member 12 (bolt) will not fall off when the handle is rotated.
[0045] When the outer handle 3 is rotated, the inner handle 4 can be synchronously rotated, and at the same time, the outer handle 3 is synchronously rotated when the inner handle 4 is rotated.
[0046] As shown in Figure 3 , the rotation range of the outer handle body and the inner handle body is 90°, Figure 3 , the outer handle is vertically downward, at this time, the vehicle compartment door is in a locked state, and the outer handle body can be counterclockwise rotated by 90° in this state to become an unlocked state.
[0047] As shown in Figure 3 and Figure 4 , when the inner handle on the indoor side of the vehicle compartment is in a horizontal position, it is in a locked state, at this time, the outer handle on the outdoor side is vertically downward, and when the inner handle is clockwise rotated by 90° to be in a vertical position, the outer handle on the outdoor side is in a horizontal position.
[0048] As shown in Figure 5 , the locking surface of the inner handle body close to the left door is a planar structure, Figure 5 , in the locked state, the inner handle body is clamped in the inner wall of the left door 1 through the planar structure, at this time, the right door 2 cannot be opened.
[0049] As shown in Figure 6 , in the unlocked state, in order to enable the indoor personnel to open the vehicle compartment door by themselves, the inner handle body is clockwise rotated by 90°, at this time, the inner handle body is in a vertical state, the inner handle body is disengaged from the abutment with the inner wall of the left door, at this time, the right door can be opened, and then the left door can be opened.
[0050] In order to prevent the vehicle compartment door from being opened from the outside when the indoor personnel are in the locked state, the embodiment further comprises a locking mechanism relative to the inner handle.
[0051] As shown in Figure 7 and Figure 8As shown, the locking mechanism comprises a fixed frame 8 mounted on the left door 1 below the axis of the inner handle 4; the fixed frame 8 is provided with a sliding groove, and a sliding rod 7 is slidingly arranged in the sliding groove; the sliding rod 7 is provided with a handle at the middle position, and the handle is arranged perpendicularly to the sliding rod 7; the handle is also a rod-shaped structure.
[0052] The fixed frame 8 is provided with two openings 9 along the length direction; the sliding rod 7 can slide transversely along the sliding groove by rotating the handle, and the sliding rod 7 can be extended or retracted by clamping the handle with different openings 9.
[0053] As shown in the figure, Figure 7 When the sliding rod 7 is extended, the sliding rod 7 abuts against the bottom surface of the end portion of the inner handle body; at this time, the inner handle body cannot be turned clockwise downward due to the abutment of the front end of the sliding rod 7, and the locked state cannot be released. Figure 8 As shown in the figure,
[0054] The above only describes the preferred embodiments of the present application and is not used to limit the present application; for those skilled in the art, the present application can have various modifications and changes; any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A carriage door lock assembly structure, characterized in that, include: The right door and the left door have an outer handle installed on the outside of the right door near the left door. The right door has a baffle on its edge. When the right door and the left door are closed, the right door presses down on the left door through the baffle. An inner handle, installed on the inside of the right door, includes an inner handle body. One end of the inner handle body is fixedly connected to the rotation axis of the outer handle, and the inner handle body and the outer handle body are set perpendicularly. The other end of the inner handle body forms a locking surface for contacting the inner wall of the left door. When the outer handle body is in a vertical state, the inner handle body is in a horizontal state to be locked onto the inner wall of the left door. The locking mechanism includes a fixed frame, which is installed on the left door and is lower than the axis of the inner handle; a slide rod is slidably provided on the fixed frame, and a handle is provided on the slide rod; the fixed frame has two openings, and the handle engages with different openings to extend or retract the slide rod; when the inner handle body is in a horizontally locked state, the locking mechanism can prevent the inner handle body from rotating, thereby preventing the outer handle body from rotating as well.
2. The carriage door lock assembly structure according to claim 1, characterized in that, The outer handle is installed on the outside of the right door via an outer handle mounting plate, and the inner handle is installed on the inside of the right door via an inner handle mounting plate. The outer handle mounting plate and the inner handle mounting plate are fixedly connected by bolts and nuts passing through the right door.
3. The carriage door lock assembly structure according to claim 2, characterized in that, The rotating shaft of the outer handle passes through the outer handle mounting plate and rotates with the outer handle mounting plate, and the rotating shaft of the outer handle extends into the inside of the right door.
4. The carriage door lock assembly structure according to claim 3, characterized in that, The inner handle includes a round tube at one end of the inner handle body. One end of the round tube passes through the inner handle mounting plate and rotates with the inner handle mounting plate. The fixing component is threadedly engaged with the round tube and the rotating shaft to fix the inner handle and the outer handle relative to each other.
5. The carriage door lock assembly structure according to claim 4, characterized in that, The inner handle mounting plate abuts against the limiting plate at the front end of the round tube, and both the round tube and the rotating shaft are located at the right door opening.
6. The carriage door lock assembly structure according to claim 2, characterized in that, The rotating shaft has a boss on its circumference, and the boss abuts against the outer side of the outer handle mounting plate.
7. The carriage door lock assembly structure according to claim 5, characterized in that, The locking surface of the inner handle body near the left door is a planar structure.
8. The structure of a carriage door lock assembly according to claim 1, characterized in that, The rotation range of the outer handle body is 90°.
9. The structure of a carriage door lock assembly according to claim 1, characterized in that, When the slide bar extends, it abuts against the bottom surface of the end of the inner handle body.
Citation Information
Patent Citations
Lock suitable for mechanical equipment door plant
CN207728118U
AB door structure of special vehicle
CN217269482U