CN216611196U

CN216611196U - Access door assembly and vehicle

Info

Publication number: CN216611196U
Application number: CN202122942367.3U
Authority: CN
Inventors: 方璟; 钟凌生; 刘彪
Original assignee: Hunan CRRC Zhixing Technology Co Ltd
Current assignee: Hunan CRRC Zhixing Technology Co Ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-27
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses an access door assembly and a vehicle, wherein the access door assembly comprises a door plate, a door frame and a mounting assembly, the mounting assembly comprises a clamping piece and a fixing piece which are matched with each other, the clamping piece is arranged on the back surface of the door plate, the fixing piece is arranged on the door frame, and the door plate is detachably mounted on the door frame through the mounting assembly. The access door is detachably arranged on the door frame through the clamping piece positioned on the back of the door plate and the fixing piece positioned on the door frame, the locking notch and the locking panel are not exposed, the fastening piece is not exposed, the appearance is attractive and integral, special tools such as keys are not needed for opening, the assembly and disassembly are very convenient, and the maintenance work efficiency is favorably improved. The vehicle of the present invention also has the above-described advantages of the access door assembly because of the installation of the access door assembly of the present invention.

Description

Access door assembly and vehicle

Technical Field

The utility model belongs to the technical field of access doors, and particularly relates to an access door assembly and a vehicle.

Background

The access door is reserved for facilitating equipment maintenance, and in order to cater to the appearance of the equipment, the whole appearance is attractive, and the installation and locking need to be designed into a secret structure. The access door of mechanical equipment, especially a car body access door, such as an access door of a rail transit vehicle, which can vibrate or move in a working state, can be firmly and tightly installed and also has attractive appearance due to being installed on a car body moving at a high speed, and provides extremely high requirements for the design of the access door and installation components thereof. The vehicle access door in the prior art is mostly installed and locked by adopting a hinge and a lock, so that a lock opening and a lock panel can be exposed, and the overall attractiveness of a vehicle is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an access door assembly and a vehicle which are firm in installation, free of exposed fasteners and attractive in appearance and good in integrity.

In order to solve the technical problem, the utility model adopts the following technical scheme:

an access door assembly includes a door panel, a door frame and a mounting assembly, the mounting assembly includes a retainer and a fixing member that are engaged with each other, the retainer is disposed on a back surface of the door panel, the fixing member is disposed on the door frame, and the door panel is detachably mounted on the door frame through the mounting assembly.

In the above access door assembly, preferably, the fastening member is a slide fastener, and the fixing member is a slide fastener mounting bracket.

The above-mentioned access door assembly, it is preferred that the chucking spare is the plug-in components of buckling, the mounting is the fixed plate, the one end of the plug-in components of buckling is pasted closely and is fixed on the door plant, the other end with the bayonet socket that the door plant constitutes with fixed plate chucking cooperation.

The above-mentioned access door assembly is preferable, the slide fastener mounting bracket includes fixed part, kink and installation department, the fixed part pass through the kink with the installation department is connected, set up the fixed orifices that is used for passing the fastener on the fixed part, first through-hole has been seted up on the kink, the second through-hole has been seted up on the installation department, first through-hole and second through-hole intercommunication, the slide fastener is including detaining body and connector, detain the body and pass through the connector and fix on the door plant, detain the body and pass through the connector with the installation department supports and leans on, the connector is worn to locate in the second through-hole.

Preferably, when the door panel is vertically installed, the slide fastener is arranged on the upper portion of the door panel, the slide fastener installation support is fixed on the upper frame of the door frame, the bending plug-in unit is arranged on the lower portion of the door panel, and the fixing plate is fixed on the lower frame of the door frame.

Above-mentioned access door subassembly, it is preferred, when the door plant is car body side wall access door the fixed plate is the lower shrouding of car body skeleton.

Preferably, the above access door assembly is provided with a plurality of sets of mounting assemblies.

In the above access door assembly, preferably, the plurality of fastening members are respectively disposed near two opposite sides of the door panel, the plurality of fixing members are respectively disposed at two opposite sides of the door frame, and each fastening member corresponds to each fixing member in position and can be fitted to each other when installed.

In the above access door assembly, preferably, the two opposite edges are long edges of the door panel and the door frame; or, the two opposite sides are the upper part and the lower part of the door plate and the door frame in a vertical installation state.

As one general technical concept, the present invention also provides a vehicle including a vehicle body and the above-described access door assembly.

In the vehicle, preferably, the vehicle is a rail transit vehicle, and the access door assembly is mounted on an outer peripheral surface of a vehicle body of the rail transit vehicle.

Compared with the prior art, the utility model has the advantages that:

the access door assembly of the present invention is adapted to removably mount an access door to a door frame by means of a retainer member located on the back of the door panel and a retainer member located on the door frame. The lock has the advantages of no locking notch, no exposed locking panel, no exposed fastener, beautiful appearance and good integrity, does not need to be opened by special tools such as keys and the like, is very convenient to disassemble and assemble, and is favorable for improving the maintenance work efficiency.

The vehicle of the present invention also has the above-described advantages of the access door assembly due to the installation of the access door assembly of the present invention.

Drawings

Fig. 1 is a schematic structural view of an access door in embodiment 1 of the present invention.

Fig. 2 is a sectional view of the access door of fig. 1 taken along line a-a.

Fig. 3 is an enlarged schematic view at i in fig. 2.

Fig. 4 is an enlarged schematic view at ii in fig. 2.

Fig. 5 is a schematic perspective view of a slider mounting bracket according to embodiment 1 of the present invention.

Fig. 6 is a plan view of a slider mounting bracket according to embodiment 1 of the present invention.

FIG. 7 is a cross-sectional view of the slider mounting bracket of FIG. 6 taken along line B-B.

Fig. 8 is a front view of an access door mounted on a vehicle in embodiment 1 of the present invention.

Fig. 9 is a plan view of an access door mounted on a vehicle in embodiment 1 of the present invention.

Figure 10 is a cross-sectional view of the access door assembly of figure 8 taken along line C-C.

Fig. 11 is an enlarged view at i in fig. 10.

Fig. 12 is an enlarged schematic view at ii in fig. 10.

Illustration of the drawings:

1. a door panel; 2. sliding and buckling; 21. a buckle body; 22. a linker; 3. a slide fastener mounting bracket; 31. a fixed part; 311. a fixing hole; 32. a bending section; 321. a first through hole; 33. an installation part; 331. a second through hole; 4. bending the plug-in piece; 5. a fixing plate; 6. a vehicle body skeleton; 7. a fastener.

Detailed Description

The present invention will be described in further detail with reference to the following specific embodiments and the accompanying drawings.

Example 1:

fig. 1 to 12 show an embodiment of an access door assembly according to the utility model comprising a door panel 1, a door frame and a mounting assembly comprising a mutually cooperating fastening member and a fixing member, the fastening member being provided on the back side of the door panel 1 and the fixing member being provided on the door frame, the door panel 1 being detachably mounted on the door frame by means of the mounting assembly.

The access door subassembly of this embodiment installs access door detachably on the door frame through the chucking spare that is located the 1 back of door plant and the mounting that is located on the door frame, and no fore shaft and lock panel expose, and no fastener exposes, and the pleasing to the eye wholeness of appearance is good to need not to open with specialized tool such as keys, the dismouting is very convenient, is favorable to improving maintenance work efficiency.

In this embodiment, there are two types of clamping members, one type is a slide fastener 2, the other type is a bending plug-in unit 4, and there are two types of fixing members, one type is a slide fastener mounting bracket 3 for mounting the slide fastener 2, the other type is a fixing plate for mounting the bending plug-in unit 4, one end of the bending plug-in unit 4 is closely fixed on the door panel 1, and the other end of the bending plug-in unit 4 is in clamping fit with a bayonet formed by the door panel 1 and the fixing plate 5. The bending structure of the bending plug-in 4 makes the bending plug-in have certain elasticity, and a pretightening force can be applied to the fixing plate 5 when the bending plug-in 4 is tightly matched with the fixing plate 5, so that the installation is firmer.

In other embodiments, the upper slider 2 and the slider mounting bracket 3 may also be implemented by a snap, a sliding groove, or the like; the bottom bending plug-in 4 and the lower sealing plate can be inserted and connected through the slide fastener 2 and the slide fastener mounting bracket 3 or the modes of a buckle, a sliding chute and the like.

In this embodiment, the slide fastener 2 is a metal fastener, and the bending insert 4 is an elastic steel insert.

In this embodiment, the slide fastener mounting bracket 3 includes a fixing portion 31, a bending portion 32 and a mounting portion 33, the fixing portion 31 is connected to the mounting portion 33 through the bending portion 32, a fixing hole 311 for passing through the fastening member 7 is formed in the fixing portion 31, a first through hole 321 is formed in the bending portion 32, a second through hole 331 is formed in the mounting portion 33, the first through hole 321 is communicated with the second through hole 331, the slide fastener 2 includes a fastener body 21 and a connector 22, the fastener body 21 is fixed to the door panel 1 through the connector 22, the fastener body 21 passes through the first through hole 321 and is tightly supported to the mounting portion 33 through the connector 22, and the connector 22 is inserted into the second through hole 331.

In this embodiment, when the door panel 1 is vertically installed, the slide fastener 2 is disposed on the upper portion of the door panel 1, the slide fastener mounting bracket 3 is fixed on the upper frame of the door frame, the bending plug-in 4 is disposed on the lower portion of the door panel 1, and the fixing plate 5 is fixed on the lower frame of the door frame.

In this embodiment, the door panel 1 is a side wall access door of a vehicle body, the fixing plate 5 is a lower sealing plate of a vehicle body frame 6, the slide fastener mounting bracket 3 passes through the fixing hole 311 through the fastener 7 and is directly fixed on the vehicle body frame 6, the fixing hole 311 is a waist-shaped hole, and the fastener 7 is a bolt.

In this embodiment, the slide fastener 2 and the slide fastener mounting bracket 3 are provided with three sets, and the bending insertion pieces 4 are provided with three sets and the positions thereof respectively correspond to the slide fasteners one by one, so that the door panel 1 is uniformly stressed and is firmly mounted.

During installation, the slide fastener mounting bracket 3 is fixed on the vehicle body framework 6 by adopting a bolt, the slide fastener 2 on the upper part of the door panel 1 penetrates through the first through hole 321 of the slide fastener mounting bracket 3 and is clamped on the second through hole 331, and meanwhile, the bending plug-in unit 4 on the lower part of the door panel 1 is plugged on the lower sealing plate of the vehicle body framework 6.

In other preferred embodiments, a plurality of chucking spare sets up respectively in the relative limit of door plant 1, and a plurality of mounting sets up respectively in the relative limit of door frame, can set up on the long limit of door plant 1 and door frame simultaneously, also can set up on the minor face of door plant 1 and door frame simultaneously, and each chucking spare corresponds rather than each mounting position of mutually supporting, can mutually support during the installation. Generally, the door panel 1 and the door frame are arranged on the opposite long edges of the door panel and the door frame, so that the door panel and the door frame are better in stress effect and firmer to install.

Of course, in other embodiments, according to different practical applications, the actual size and the stress condition of the door panel 1, different numbers and different positions of the installation components may be provided, for example, the installation components may be provided on any side of the door panel 1 and the door frame separately or simultaneously, and preferably, the installation components may be provided on the left portion and the right portion of the door panel 1 and the door frame simultaneously, the left portion and the lower portion of the door frame simultaneously, or the right portion and the lower portion of the door frame simultaneously. If 1 horizontal installation of door plant is on equipment, at the arbitrary adjacent both sides of door plant 1 and door frame, trilateral, four sides all set up the installation component even, the installation effect is all enough.

A vehicle comprising a vehicle body and an access door assembly as described above, as shown in figures 8 to 12. The vehicle of the present invention also has the above-described advantages of the access door assembly due to the installation of the access door assembly of the present invention.

In this embodiment, the vehicle is a rail transit vehicle, and the access door assembly is installed on the outer peripheral surface of the vehicle body of the rail transit vehicle.

The above are only preferred embodiments of the present invention, and the scope of protection of the present invention is not limited to the above examples, and the technical features related to the above described embodiments of the present invention may be combined with each other as long as they do not conflict with each other, and all technical solutions belonging to the idea of the present invention belong to the scope of protection of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may be made by those skilled in the art without departing from the principle of the utility model.

Claims

1. The utility model provides an access door subassembly, includes door plant (1), door frame and installation component, its characterized in that: the installation component comprises a clamping piece and a fixing piece which are matched with each other, the clamping piece is arranged on the back surface of the door plate (1), the fixing piece is arranged on the door frame, and the door plate (1) is detachably installed on the door frame through the installation component.

2. Access door assembly according to claim 1, characterized in that the fastening member is a slider (2) and the fixing member is a slider mounting bracket (3); and/or, the chucking spare is for buckling plug-in components (4), the mounting is fixed plate (5), the one end of buckling plug-in components (4) is pasted tightly and is fixed on door plant (1), the other end with the bayonet socket that door plant (1) constitutes with fixed plate (5) chucking cooperation.

3. The access door assembly of claim 2, wherein the slider mounting bracket (3) comprises a fixing portion (31), a bending portion (32) and a mounting portion (33), the fixing portion (31) is connected to the mounting portion (33) through the bending portion (32), the fixing portion (31) is provided with a fixing hole (311) for passing through a fastener (7), the bending portion (32) is provided with a first through hole (321), the mounting portion (33) is provided with a second through hole (331), the first through hole (321) is communicated with the second through hole (331), the slider (2) comprises a buckle body (21) and a connecting body (22), the buckle body (21) is fixed to the door panel (1) through the connecting body (22), the buckle body (21) passes through the first through hole (321) and abuts against the mounting portion (33) through the connecting body (22), the connecting body (22) penetrates through the second through hole (331).

4. Access door assembly according to claim 2 or 3, characterized in that when the door panel (1) is mounted vertically, the slider (2) is arranged on the upper part of the door panel (1), the slider mounting bracket (3) is fixed on the upper frame of the door frame, the bending insert (4) is arranged on the lower part of the door panel (1), and the fixing plate (5) is fixed on the lower frame of the door frame.

5. Access door assembly according to claim 4, characterized in that the fixing plate (5) is the lower sealing plate of the body frame (6) when the door panel (1) is a body side wall access door.

6. An access door assembly as claimed in any one of claims 1 to 3, wherein the mounting assemblies are arranged in a plurality of groups.

7. Access door assembly according to claim 6, characterized in that a plurality of said fastening members are arranged adjacent to two opposite sides of the door panel (1), respectively, and that a plurality of said fastening members are arranged on two opposite sides of the door frame, respectively, each fastening member corresponding in position to each fastening member.

8. Access door assembly according to claim 7, characterized in that the two opposite edges are the long edges of the door panel (1) and the door frame; or the two opposite sides are the upper part and the lower part of the door plate (1) and the door frame in a vertical installation state.

9. A vehicle comprising a vehicle body and an access door assembly as claimed in any one of claims 1 to 8.

10. The vehicle of claim 9, wherein the vehicle is a rail transit vehicle and the access door assembly is mounted on an outer body peripheral surface of the rail transit vehicle.