阅读说明：本技术 一种上翻门结构 (Upturning door structure ) 是由 王钧盛 曹俊 韩雨晨 于北辰 陶文强 赵利爽 樊乾坤 于 2020-12-31 设计创作，主要内容包括：本发明提供了一种上翻门结构,包括箱体、上翻门及缓冲组件,所述箱体开设有一便于物体进出的门孔；所述上翻门一侧与所述门孔侧壁铰接,所述缓冲组件一端与所述箱体铰接,另一端与所述上翻门铰接,所述上翻门具有一不受所述缓冲组件作用力的中间状态；所述缓冲组件对所述上翻门施加阻碍所述上翻门离开所述中间状态状态的作用力。本发明设置有缓冲组件,所述缓冲组件对所述上翻门施加阻碍所述上翻门离开所述中间状态状态的作用力,能够更省力的操作所述上翻门,并对所述上翻门起到缓冲作用,避免上翻门与所述箱体产生过大的硬性碰撞,缩短使用寿命。(The invention provides an upturned door structure which comprises a box body, an upturned door and a buffer assembly, wherein the box body is provided with a door hole facilitating the entry and exit of an object; one side of the upturned door is hinged with the side wall of the door hole, one end of the buffer component is hinged with the box body, the other end of the buffer component is hinged with the upturned door, and the upturned door has an intermediate state free from the acting force of the buffer component; the buffer component applies acting force to the upturned door to prevent the upturned door from leaving the intermediate state. The upper turnover door is provided with the buffer component, the buffer component exerts acting force on the upper turnover door to prevent the upper turnover door from leaving the middle state, the upper turnover door can be operated in a labor-saving manner, the buffer component has a buffer effect on the upper turnover door, the upper turnover door is prevented from generating overlarge rigid collision with the box body, and the service life is shortened.)

1. An tilt-up door structure, comprising: the box body is provided with a door hole facilitating the object to enter and exit; one side of the upturned door is hinged with the side wall of the door hole, one end of the buffer component is hinged with the box body, the other end of the buffer component is hinged with the upturned door, and the upturned door has an intermediate state free from the acting force of the buffer component; the buffer component applies acting force to the upturned door to prevent the upturned door from leaving the intermediate state.

2. The tilt-up door structure according to claim 1, wherein the tilt-up door further has a first limit state and a second limit state, and the tilt-up door is switchable from the first limit state to the second limit state through the intermediate state or from the second limit state to the first limit state through the intermediate state by an external force.

3. The tilt-up door structure according to claim 1, wherein the force applied to the tilt-up door by the damping member is proportional to the magnitude of the current angle of rotation of the tilt-up door relative to the neutral state.

4. The tilt-up door structure according to claim 2, wherein the buffer assembly comprises a force arm and an elastic member, one end of the elastic member is hinged to the inner wall of the box body, the other end of the elastic member is hinged to one end of the force arm, the other end of the force arm is hinged to the tilt-up door, and the elastic member exerts an acting force on the tilt-up door through the force arm to prevent the tilt-up door from leaving the intermediate state.

5. The tilt-up door structure according to claim 4, wherein the force arm has a short bar and a long bar, the short bar and the long bar are disposed in a non-parallel manner, one end of the short bar is fixed to one end of the long bar, the other end of the short bar is hinged to the tilt-up door, and the other end of the long bar is hinged to one end of the elastic member away from the tilt-up door.

6. The tilt-up door structure according to claim 4, wherein the buffer assembly further comprises an adjusting member, the adjusting member is fixed on the inner wall of the box body, the adjusting member has a telescopic movable end, and the movable end of the adjusting member is hinged to one end of the elastic member away from the force arm.

7. The structure of claim 6, wherein the adjusting member comprises a fixing platform and an adjusting pin, the fixing platform is fixed on the inner wall of the box body, a threaded through hole is formed in the fixing platform, the adjusting pin is inserted into the threaded through hole and is in threaded connection with the fixing platform, one end of the adjusting pin is hinged to one end of the elastic member, which is far away from the force arm, and the other end of the adjusting pin forms an adjusting operation end.

8. The tilt-up door structure according to claim 4, wherein the buffer assembly further comprises a connecting assembly, and two ends of the connecting assembly are respectively hinged to the arm and the elastic member.

9. The tilt-up door structure according to claim 8, wherein the connecting assembly comprises a housing and a hinge, the housing is fixed on the inner wall of the box body, the hinge extends to form a first hinge end, a second hinge end and a third hinge end, the first hinge end is hinged to the housing, one end of the elastic member away from the box body extends into the housing and is hinged to the second hinge end, and one end of the force arm away from the tilt-up door extends into the housing and is hinged to the third hinge end.

10. The structure of claim 9, wherein the second hinge end has a plurality of hinge holes, and one end of the elastic member away from the box body is hinged to any one of the hinge holes.

Technical Field

The invention relates to the technical field of fire trucks, in particular to an upturned door structure.

Background

The fire engine is the main tool for extinguishing fire in the current fire department, and is the most basic mobile fire-fighting equipment. Fire trucks are important to quickly and efficiently handle emergency events.

The fire fighting field is generally very harsh and emergent in situation, and equipment needs to be taken and placed quickly and conveniently. The side door of the existing fire truck is specially reinforced and is heavy due to the fact that the existing fire truck is a special vehicle, and opening the side door is very laborious, so that the opening speed is slow, and the equipment is not convenient to take and place; secondly, because the side door is all comparatively heavy, when the door contacts with the automobile body, all can produce great impact force, cause the damage to automobile body and side door.

Disclosure of Invention

The invention provides an upturning door structure, which aims to solve the technical problem that the side door of a defense vehicle is difficult to operate in the prior art.

The scheme for solving the technical problems is as follows:

an tilt-up door structure, comprising:

the box body is provided with a door hole facilitating the object to enter and exit; one side of the upturned door is hinged with the side wall of the door hole, one end of the buffer component is hinged with the box body, the other end of the buffer component is hinged with the upturned door, and the upturned door has an intermediate state free from the acting force of the buffer component; the buffer component applies acting force to the upturned door to prevent the upturned door from leaving the intermediate state.

Furthermore, the flip-up door also has a first limit state and a second limit state, and the flip-up door can be switched from the first limit state to the second limit state through the intermediate state or from the second limit state to the first limit state through the intermediate state under the action of external force.

Further, the acting force applied to the upturned door by the buffer component is in direct proportion to the size of the rotation angle of the upturned door relative to the middle state.

Furthermore, the buffer assembly comprises a force arm and an elastic part, one end of the elastic part is hinged to the inner wall of the box body, the other end of the elastic part is hinged to one end of the force arm, the other end of the force arm is hinged to the upturned door, and the elastic part exerts an acting force on the upturned door to prevent the upturned door from leaving the intermediate state through the force arm.

Furthermore, the arm of force has a quarter butt and a stock, the quarter butt with the stock is non-parallel arrangement, quarter butt one end with stock one end is fixed, the quarter butt other end with the tilt-up door is articulated, the stock other end with the elastic component is kept away from the one end of tilt-up door is articulated.

Furthermore, the buffer assembly further comprises an adjusting piece, the adjusting piece is fixed on the inner wall of the box body, the adjusting piece is provided with a telescopic movable end, and the movable end of the adjusting piece is hinged to one end, far away from the force arm, of the elastic piece.

Furthermore, the regulating part includes a fixed station, adjusting pin, the fixed station is fixed on the box inner wall, a screw thread through-hole has been seted up on the fixed station, adjusting pin wears to locate the screw thread through-hole, with the fixed station forms threaded connection, adjusting pin one end with the elastic component is kept away from the one end of the arm of force is articulated, the adjusting pin other end forms the regulation operation end.

Furthermore, the buffer assembly further comprises a connecting assembly, and two ends of the connecting assembly are respectively hinged to the force arm and the elastic member.

Furthermore, the connecting assembly comprises an outer cover and an articulated piece, the outer cover is fixed on the inner wall of the box body, the articulated piece extends to form a first articulated end, a second articulated end and a third articulated end, the first articulated end is articulated with the outer cover, one end of the elastic piece, which is far away from the box body, extends into the outer cover and is articulated with the second articulated end, and one end of the force arm, which is far away from the upturned door, extends into the outer cover and is articulated with the third articulated end.

Furthermore, a plurality of hinge holes are formed in the second hinge end, and one end, far away from the box body, of the elastic piece is hinged to any one of the hinge holes.

The upper turnover door is provided with the buffer component, the buffer component exerts acting force on the upper turnover door to prevent the upper turnover door from leaving the middle state, the upper turnover door can be operated in a labor-saving manner, the buffer component has a buffer effect on the upper turnover door, the upper turnover door is prevented from generating overlarge rigid collision with the box body, and the service life is shortened.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic structural view of an upturned door structure provided by the present invention;

fig. 2 is an enlarged schematic view of the buffer assembly of fig. 1.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

As shown in fig. 1, an upturned door structure provided in the first embodiment of the present invention includes: box 1, upturning door 2 and buffering subassembly 3, box 1 sets up a door opening 11 that is convenient for the object business turn over, upturning door 2 size with door opening 11 matches, just upturning door 2 one side with door opening 11 lateral wall is articulated, upturning door 2 has an intermediate state, buffering subassembly 3 one end with box 1 is fixed, the other end with upturning door 2 is articulated, buffering subassembly 3 is right upturning door 2 imposes the hindrance upturning door 2 leaves the effort of intermediate state.

The flip-up door 2 further has a first limit state and a second limit state, and the flip-up door 2 can be switched from the first limit state to the second limit state through the intermediate state or from the second limit state to the first limit state through the intermediate state.

In this embodiment, the first limit state is a state where the upward-turning door 2 is completely closed with respect to the box body 1, the second limit state is a state where the upward-turning door 2 is completely opened with respect to the box body 1, and the middle state is a state where the upward-turning door 2 is at an angle of 80 ° to 110 ° with respect to the plane where the door opening 11 is located.

Thus, the tilt-up door 2 has at least four courses of movement;

1. in the process that the upturned door 2 is in the middle state from the first limit state, the buffer component 3 applies force (thrust force) which enables the upturned door 2 to have a movement trend towards the middle state to the upturned door 2, so that the force required for opening the door can be reduced, and the upturned door 2 can be opened conveniently;

2. in the process that the upward-turning door 2 is in the second limit state from the middle state, the buffer component 3 applies force (pulling force) to the upward-turning door 2 to enable the upward-turning door 2 to have a movement trend towards the middle state, so that the impact of the door on the box body 1 due to gravity can be reduced, and the service life is prolonged;

3. in the process that the upward-turning door 2 is in the middle state from the second limit state, the buffer component 3 applies a force (pulling force) to the upward-turning door 2 to make the upward-turning door 2 have a trend of moving towards the middle state, so that the force required for closing the door can be reduced, and the upward-turning door 2 can be conveniently closed;

3. in the process that the upward-turning door 2 is in the middle state to the first limit state, the buffer component 3 applies force (thrust) to the upward-turning door 2 to enable the upward-turning door 2 to have a movement trend towards the middle state, so that the impact of the door on the box body 1 due to gravity can be reduced, and the service life is prolonged.

As shown in fig. 2, the buffering assembly 3 includes a force arm 31 and an elastic member 32, one end of the elastic member 32 is hinged to the inner wall of the box body 1, the other end of the elastic member is hinged to one end of the force arm 31, and the other end of the force arm 31 is hinged to the flip-up door 2. The elastic member 32 applies a force to the tilt-up door 2 through the arm 31 to prevent the tilt-up door 2 from leaving the intermediate state.

In this embodiment, the force arm 31 is L-shaped, the force arm 31 has a short rod and a long rod, one end of the short rod is fixed to one end of the long rod, the other end of the short rod is hinged to the flip door 2, and the other end of the long rod is hinged to one end of the elastic member 32 far away from the flip door 2.

When the flip-up door 2 is between the intermediate state and the second limit state, the short rod can pass through the door hole 11 to the back side of the elastic member 32, so that the flip-up door 2 can be opened and closed at the maximum angle.

The buffer component 3 further comprises an adjusting piece 33, the adjusting piece 33 is fixed on the inner wall of the box body 1, the adjusting piece 33 is provided with a telescopic movable end, and the movable end of the adjusting piece 33 is hinged to one end of the force arm 31, which is far away from the elastic piece 32.

The adjusting part 33 comprises a fixing table 331 and an adjusting pin 332, the fixing table 331 is fixed on the inner wall of the box body 1, a thread through hole is formed in the fixing table 331, the adjusting pin 332 penetrates through the thread through hole and is in threaded connection with the fixing table 331, one end of the adjusting pin 332 is far away from the elastic part 32, one end of the force arm 31 is hinged, and the other end of the adjusting pin 332 forms an adjusting operation end. When the elastic piece 32 is used, the adjusting operation end is rotated to adjust the position of the adjusting pin 332 relative to the fixing table 331, so that the length of the elastic piece 32 is adjusted, and the elastic effect of the elastic piece 32 is achieved.

The buffer component 3 further comprises a connecting component 34, two ends of the connecting component 34 are respectively connected with the force arm 31 and the elastic piece 32, and the connecting component plays a role in connecting the force arm 31 and the elastic piece 32.

The connecting assembly 34 includes an outer cover 341 and a hinge 342, the outer cover 341 is fixed on the inner wall of the box body 1, the hinge 342 extends to form a first hinge end 343, a second hinge end 344 and a third hinge end 345, the first hinge end 343 is hinged to the outer cover 341, one end of the elastic member 32 away from the box body 1 extends into the outer cover 341 and is hinged to the second hinge end 344, and one end of the moment arm 31 away from the flip-up door 2 extends into the outer cover 341 and is hinged to the third hinge end 345.

A plurality of hinge holes 346 are formed in the second hinge end 344, and one end of the elastic member 32 away from the box body 1 is hinged to any one of the hinge holes 346. In use, the hinge hole 346 of the elastic member 32 can be changed to adjust the angle of the tilt-up door 2 in the intermediate state relative to the plane of the door hole 11.

In this embodiment, a plurality of cushion rubbers 12 are disposed at positions where the box body 1 contacts the flip-up door 2 in the second limit state.

The invention is provided with the buffer component 3, the buffer component 3 exerts acting force on the upturned door 2 to prevent the upturned door 2 from leaving the intermediate state, the upturned door 2 can be operated in a more labor-saving way, the buffer component has a buffer effect on the upturned door 2, the overlarge rigid collision between the upturned door 2 and the box body 1 is avoided, and the service life is shortened.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.