CN220599532U

CN220599532U - Vehicle door travelling wheel structure

Info

Publication number: CN220599532U
Application number: CN202322023530.5U
Authority: CN
Inventors: 陈斌
Original assignee: Xiangshan Zhengda Machinery Manufacturing Co ltd
Current assignee: Xiangshan Zhengda Machinery Manufacturing Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-03-15
Anticipated expiration: 2033-07-31

Abstract

The application discloses door travelling wheel structure belongs to door part technical field for provide a can restrict travelling wheel structure of slip door rebound, including the frame, the frame both ends are wide, the centre is narrow, and the frame is provided with the wheel body subassembly in the wider position in both ends, and the frame is provided with the tailboard at the lateral surface of an tip, and the tailboard internal rotation is connected with the safety hook, and the safety hook is suitable for extending to the outside of frame, is used for forming temporary locking structure with the limit structure cooperation of peripheral hardware. The traveling wheel frame is structurally expanded, and the safety hook structure is configured, so that the traveling wheel structure is provided with the self-locking structure, and when the door is rapidly closed to strike the door frame, the safety hook can prevent the door from reversely moving after striking, and can effectively prevent the sliding door from rebounding; the design is low in use cost, and the special structure of the design enables the running wheel to have higher strength, and in addition, the wear-resisting structure is added, so that the running wheel structure is slower in wear speed during working, and the service life of the whole running wheel structure is prolonged.

Description

Vehicle door travelling wheel structure

Technical Field

The application relates to the technical field of door parts, in particular to a door travelling wheel structure.

Background

There are many ways of opening the door, such as rotary and folding, and of course there is also a sliding opening type, and the sliding opening and closing needs to be configured with a travelling wheel structure between the door and the door frame, so as to reduce the friction resistance when opening and closing the door, so that the door can be opened and closed more smoothly, the existing travelling wheel structure used in the door can only play a guiding role, and a locking mechanism is needed between the door and the door frame to keep the door in an opened or closed state.

Disclosure of Invention

The purpose of the present application is to provide a travelling wheel structure that can limit the rebound of a sliding door.

In order to achieve the above object, the present application provides a vehicle door running gear structure: the sliding door is characterized by comprising a frame, wherein two ends of the frame are wide and the middle of the frame is narrow, wheel body assemblies are arranged in the wider parts of the two ends of the frame, a tail plate is arranged on the outer side face of one end of the frame, a safety hook is rotationally connected to the tail plate, the safety hook is suitable for extending to the outside of the frame and is matched with a peripheral limiting structure to form a temporary locking structure, and rebound can be effectively prevented when a sliding door collides with a door frame.

Preferably, the frame includes a pair of symmetrical supporting parts, each of which has a wide end and a narrow middle, and the two supporting parts are connected with a bridge part on the same side, and the extending direction of the bridge part is consistent with the extending direction of the side edges of the supporting parts, so that the outer side surface of the frame maintains good smoothness.

Preferably, the side edge of the supporting portion away from the bridging portion is tilted to the side away from the other supporting portion, so as to play a role in structural reinforcement.

Preferably, the tail plate, the bridge portion and the supporting portion are of an integral structure and made of the same material, and are generally made of wear-resistant and corrosion-resistant alloy materials.

Preferably, the tail board also comprises a pair of symmetrical supporting parts and a bridging part for connecting the two supporting parts, wherein the sides of the frame except the bridging part and the supporting parts are in an open state, so that a guide groove parallel to the bridging part is formed for the parts matched with the wheel body assembly to pass through, and the movement interference is avoided.

Preferably, the tail plate is provided with coaxial first shaft holes at the two supporting parts, the tail plate penetrates into the limiting shafts at the two first shaft holes, the safety hook is rotationally connected with the tail plate through the limiting shafts, and the safety hook can swing relative to the frame in a certain range, so that locking and unlocking actions can be realized by utilizing self inertia of the safety hook.

Preferably, the wheel body assembly comprises an outer rim and a bearing structure, the bearing structure comprises a bearing shell fixedly connected with the inner wall of the outer rim, a coaxial retainer is arranged in the bearing shell, a plurality of bearing balls which are distributed around a shaft at equal intervals are arranged between the retainer and the bearing shell, and the bearing structure is rotationally connected with the frame through a wheel shaft, so that rotational friction resistance is reduced.

Preferably, the frame is provided with a pair of coaxial second shaft holes at two wider ends, the two frames are suitable for being inserted and combined with the wheel shaft, and the opposite side surfaces of the two supporting parts are provided with flanges, so that the wheel body assembly is suitable for limiting the movement, the stability of the running wheel during working is improved, and meanwhile, unnecessary friction and abrasion among components are reduced.

Compared with the prior art, the beneficial effect of this application lies in:

(1) The travelling wheel frame is expanded in structure, and the safety hook structure is configured, so that the travelling wheel structure is provided with a self-locking structure, and when the door is closed rapidly and impacted to the door frame, the safety hook can prevent the door from reversely moving after being impacted, and the rebound of the sliding door can be effectively prevented;

(2) The design structure is simple, the use cost is low, the special structure enables the running wheel structure to have higher strength, and in addition, the wear-resisting structure is added, so that the running wheel structure has slower wear speed during working, and the service life of the whole running wheel structure is prolonged.

Drawings

FIG. 1 is a front view of the assembled structure of the vehicle door running gear structure;

FIG. 2 is a front view of the frame of the vehicle door roller structure;

FIG. 3 is a plan cross-sectional view of the vehicle door running gear structure at A-A of FIG. 2;

FIG. 4 is a front view of the wheel assembly of the vehicle door running gear structure;

fig. 5 is a plan sectional view at B-B of the door running gear structure of fig. 4.

In the figure: 1. a frame; 101. a tail plate; 102. a first shaft hole; 103. a bridge; 104. a support part; 105. a guide groove; 106. a second shaft hole; 107. a flange; 2. a wheel assembly; 201. an outer rim; 202. a bearing housing; 203. a retainer; 204. bearing balls; 3. a wheel axle; 4. a safety hook; 5. and a limiting shaft.

Detailed Description

The present application will be further described with reference to the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present application, it should be noted that, for the azimuth terms such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present application and simplifying the description, and it is not to be construed as limiting the specific protection scope of the present application that the device or element referred to must have a specific azimuth configuration and operation, as indicated or implied.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims of the present application are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or apparatus.

The vehicle door travelling wheel structure as shown in fig. 1-5 comprises a frame 1 restraining a wheel body structure, wherein the two ends of the frame 1 are wide, the middle is narrow, the appearance is similar to that of peanuts, but the frame 1 is flat, the whole thickness is approximately the same, the frame 1 comprises a pair of symmetrical supporting parts 104, each supporting part 104 is wide at the two ends and narrow in the middle, the two supporting parts 104 are connected with a bridging part 103 on the same side, the extending direction of the bridging part 103 is consistent with the extending direction of the side edges of the supporting parts 104, the bridging part 103 extends along one longer side of the supporting parts 104, the side edges of the supporting parts 104 away from the bridging part 103 are tilted towards one side away from the other supporting parts 104, so that the side edge thickness of the supporting parts 104 is obviously increased and the reinforcing rib structure serving as the side plates of the supporting parts 104.

The frame 1 is provided with the wheel body assembly 2 in the wider position in both ends, as the main part that realizes rolling motion, wheel body assembly 2 includes peripheral outer rim 201 and bearing structure, outer rim 201 adopts wear-resisting synthetic material to make, also can adopt wear-resisting alloy material to make, according to actual demand, bearing structure includes the bearing shell 202 of being fixedly connected with outer rim 201 inner wall, be provided with coaxial holder 203 in the bearing shell 202, be provided with a plurality of around the equidistant bearing ball 204 of arranging of axle between holder 203 and the bearing shell 202, thereby reduce the frictional resistance when relative rotation, make the running wheel more smooth in the during operation, bearing structure passes through shaft 3 and frame 1 swivelling joint, frame 1 has offered the coaxial second shaft hole 106 of pair respectively at wider both ends, be suitable for with shaft 3 insertion, can also can rotate relatively, because the relative side of bearing structure provides the condition of relative rotation, be suitable for limiting wheel body assembly 2 drunkenness, mainly used for the terminal surface of outer rim 201, can prevent outer rim 201 to move along the axis drunkenness when rolling, be favorable to keep the running wheel, the stability when the running wheel is favorable to keep the running wheel, can reduce the stability when the running wheel, can use the friction coefficient is reduced, and the wear is made to the wear-resisting part is used for the friction factor is lower than the frame 1, and the friction is used for the friction is suitable for the part is used to be used to the friction, and has a general, and has a lower, and has the life.

The outer side surface of one end part of the frame 1 is provided with a tail plate 101, and as an expansion of the structure of the whole frame 1, the tail plate 101, the bridging part 103 and the supporting part 104 are of an integrated structure, and are made of the same material, and are generally made of wear-resistant and corrosion-resistant alloy materials, the tail plate 101 also comprises a pair of symmetrical supporting parts 104, and the bridging part 103 connecting the two supporting parts 104 is a structural extension of the main frame 1, the sides of the frame 1 except the side where the bridging part 103 and the supporting part 104 are located are all open, and a guide groove 105 parallel to the bridging part 103 is formed for passing through a part matched with the wheel body assembly 2, so that unnecessary movement interference and friction are avoided.

The tail plate 101 is rotationally connected with the safety hook 4, the side of the safety hook 4 is provided with a hook groove structure, the safety hook 4 is suitable for extending to the outside of the frame 1 and is used for limiting the continuous movement of the travelling wheel structure in cooperation with the limiting clamping plate when needed, the tail plate 101 is provided with coaxial first shaft holes 102 at two supporting parts 104, the tail plate 101 penetrates into the limiting shafts 5 at the two first shaft holes 102, the safety hook 4 is rotationally connected with the tail plate 101 through the limiting shafts 5, the movement freedom degree of the safety hook 4 is limited, and the safety hook 4 can swing relative to the frame 1 in a certain range.

The foregoing has outlined the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the present application, and that various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined by the appended claims. The scope of protection of the present application is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a door wheel structure of walking which characterized in that: the novel safety hook comprises a frame (1), wherein two ends of the frame (1) are wide, the middle of the frame is narrow, a wheel body assembly (2) is arranged in a part with two wider ends of the frame (1), a tail plate (101) is arranged on the outer side face of one end of the frame (1), a safety hook (4) is rotationally connected to the tail plate (101), and the safety hook (4) is suitable for extending to the outside of the frame (1).

2. The vehicle door roller structure according to claim 1, wherein: the frame (1) comprises symmetrical supporting portions (104), two ends of each supporting portion (104) are wide, the middle of each supporting portion is narrow, two supporting portions (104) are connected with bridging portions (103) on the same side, and the extending direction of the bridging portions (103) is consistent with the extending direction of the side edges of the supporting portions (104).

3. The vehicle door roller structure according to claim 2, wherein: the side edge of the supporting part (104) far away from the bridging part (103) is tilted to the side far away from the other supporting part (104).

4. The vehicle door roller structure according to claim 3, wherein: the tail plate (101), the bridging part (103) and the supporting part (104) are of an integrated structure and are made of the same material.

5. The vehicle door roller structure according to claim 4, wherein: the tail plate (101) also comprises a pair of symmetrical supporting parts (104) and a bridging part (103) for connecting the two supporting parts (104), and the rest side surfaces of the frame (1) except the bridging part (103) and the supporting parts (104) are in an open state to form a guide groove (105) parallel to the bridging part (103).

6. The vehicle door roller structure according to claim 5, wherein: the tail plate (101) is provided with coaxial first shaft holes (102) at two supporting parts (104), the tail plate (101) penetrates into a limiting shaft (5) at two first shaft holes (102), and the safety hook (4) is rotationally connected with the tail plate (101) through the limiting shaft (5).

7. The door roller structure according to any one of claims 2 to 6, characterized in that: the wheel body assembly (2) comprises an outer rim (201) and a bearing structure, the bearing structure comprises a bearing shell (202) fixedly connected with the inner wall of the outer rim (201), a coaxial retainer (203) is arranged in the bearing shell (202), a plurality of bearing balls (204) which are distributed around the shaft at equal intervals are arranged between the retainer (203) and the bearing shell (202), and the bearing structure is rotationally connected with the frame (1) through a wheel shaft (3).

8. The vehicle door roller structure according to claim 7, wherein: the two wider ends of the frame (1) are respectively provided with a pair of coaxial second shaft holes (106) which are suitable for being inserted into the wheel shafts (3), and the opposite sides of the two supporting parts (104) are provided with flanges (107) which are suitable for limiting the movement of the wheel body assembly (2).