CN115535012A - Sliding door mechanism, vehicle compartment structure and rail vehicle - Google Patents

Sliding door mechanism, vehicle compartment structure and rail vehicle Download PDF

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Publication number
CN115535012A
CN115535012A CN202211344395.8A CN202211344395A CN115535012A CN 115535012 A CN115535012 A CN 115535012A CN 202211344395 A CN202211344395 A CN 202211344395A CN 115535012 A CN115535012 A CN 115535012A
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CN
China
Prior art keywords
sliding door
door body
sliding
elastic
mechanism according
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Pending
Application number
CN202211344395.8A
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Chinese (zh)
Inventor
董涛涛
王浙东
吕晓琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Changchun Railway Vehicles Co Ltd
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CRRC Changchun Railway Vehicles Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CRRC Changchun Railway Vehicles Co Ltd filed Critical CRRC Changchun Railway Vehicles Co Ltd
Priority to CN202211344395.8A priority Critical patent/CN115535012A/en
Publication of CN115535012A publication Critical patent/CN115535012A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00Door arrangements specially adapted for rail vehicles
    • B61D19/003Door arrangements specially adapted for rail vehicles characterised by the movements of the door
    • B61D19/005Door arrangements specially adapted for rail vehicles characterised by the movements of the door sliding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D19/00Door arrangements specially adapted for rail vehicles
    • B61D19/02Door arrangements specially adapted for rail vehicles for carriages

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

The invention discloses a sliding door mechanism, a vehicle compartment structure and a railway vehicle. This sliding door mechanism includes: fixing a cover plate; the sliding door body is arranged on the fixed cover plate in a sliding or rolling manner; one end of the elastic expansion piece is rotationally connected with the fixed cover plate, and the other end of the elastic expansion piece is rotationally connected with the sliding door body; the sliding door body has three states, namely an open state, a balanced state and a closed state, and in the open state, an angle between the stretching direction of the elastic telescopic piece and the moving direction of the sliding door body when the sliding door body is opened is larger than 0 degree and smaller than 90 degrees; in a balanced state, an angle between the stretching direction of the elastic expansion piece and the moving direction of the sliding door body when the sliding door body is opened is equal to 90 degrees, and the elastic expansion piece is compressed; in the closed state, the angle between the stretching direction of the elastic stretching piece and the moving direction of the sliding door body when the sliding door body is closed is more than 0 degree and less than 90 degrees. The sliding door mechanism realizes bidirectional assistance for opening and closing, and reduces the phenomenon that the sliding door is not opened in place or closed in place.

Description

Sliding door mechanism, vehicle compartment structure and rail vehicle
Technical Field
The invention relates to the technical field of sliding doors, in particular to a sliding door mechanism, a vehicle compartment structure and a railway vehicle.
Background
At present, a railway vehicle is usually provided with a compartment, and the compartment is provided with a sliding door. The conventional sliding door generally needs to be manually opened and closed, if the operation is not in place, the phenomenon that the sliding door is not in place opened or the sliding door is not in place closed often occurs, and the use convenience of the sliding door is reduced.
Therefore, how to improve the convenience of the sliding door is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention is directed to a sliding door mechanism to improve the convenience of the sliding door.
In order to achieve the purpose, the invention provides the following technical scheme:
a sliding door mechanism comprising:
fixing a cover plate;
the sliding door body is arranged on the fixed cover plate in a sliding or rolling manner;
one end of the elastic telescopic piece is rotationally connected with the fixed cover plate, and the other end of the elastic telescopic piece is rotationally connected with the sliding door body;
wherein the sliding door body has three states, namely an opening state, a balance state and a closing state,
in the opening state, the angle between the stretching direction of the elastic stretching piece and the moving direction of the sliding door body when the sliding door body is opened is larger than 0 degree and smaller than 90 degrees;
in the balance state, an angle between the stretching direction of the elastic stretching piece and the moving direction of the sliding door body when the sliding door body is opened is equal to 90 degrees, and the elastic stretching piece is compressed;
in the closed state, an angle between the telescopic direction of the elastic telescopic piece and the moving direction of the sliding door body when the sliding door body is closed is larger than 0 degree and smaller than 90 degrees.
Optionally, in the sliding door mechanism, a first door carrying support and a second door carrying support are arranged on the sliding door body, and a first guide structure and a second guide structure are arranged on the fixed cover plate;
the first door carrying support is in sliding fit or rolling fit with the first guide structure, and/or the second door carrying structure is in sliding fit or rolling fit with the second guide structure.
Optionally, in the above sliding door mechanism, the first door carrying bracket is in sliding fit with the first guide structure, and the second door carrying structure is in sliding fit with the second guide structure.
Optionally, in the above-mentioned sliding door mechanism, the first guide structure and the second guide structure are both sliding groove structures, and a first slider and a second slider are respectively slidably disposed in the first guide structure and the second guide structure, the first slider is connected to the first door carrying bracket, and the second slider is connected to the second door carrying bracket.
Optionally, in the above door pulling mechanism, the elastic expansion member is a gas spring.
Optionally, in the above sliding door mechanism, a mounting bracket is fixedly disposed on the fixed cover plate, and the elastic expansion piece is rotatably connected to the mounting bracket.
Optionally, in the sliding door mechanism, a handle structure is provided on the sliding door body.
Optionally, in the sliding door mechanism, a sealing buffer is arranged at the edge of the sliding door body.
A vehicle compartment structure comprising a sliding door mechanism as described above.
A rail vehicle comprising a sliding door mechanism as described above.
When the sliding door mechanism provided by the invention is used, the sliding door body is arranged on the fixed cover plate in a sliding or rolling manner, so that when the sliding door body needs to be opened, the sliding door body is pulled, the sliding door body moves towards the opening direction until the sliding door body is switched to a balance state from the closing state, at the moment, the angle between the stretching direction of the elastic expansion piece and the moving direction of the sliding door body when the sliding door body is opened is equal to 90 degrees, the elastic expansion piece is compressed, namely, the elastic deformation force of the elastic expansion piece has no component force on the sliding door body along the opening direction and the closing direction of the sliding door body, the sliding door body needs to be further pulled to the opening state, after the sliding door body is pulled to the opening state, the angle between the stretching direction of the elastic expansion piece and the moving direction of the sliding door body when the sliding door body is opened is larger than 0 degrees and smaller than 90 degrees, therefore, the elastic deformation force of the elastic expansion piece has component force on the sliding door body along the opening direction of the sliding door body, and after the sliding door body is loosened, the elastic expansion piece is recovered to a natural state, and the sliding door body is automatically opened in place; when the sliding door body needs to be closed, the sliding door body in an open state is pulled to move towards a closing direction until the sliding door body is switched to a balance state from the open state, at the moment, an angle between a stretching direction of the elastic stretching piece and a moving direction of the sliding door body when the sliding door body is opened is equal to 90 degrees, the elastic stretching piece is compressed, namely, an elastic deformation force of the elastic stretching piece has no component force on the sliding door body in the opening direction and the closing direction of the sliding door body, the sliding door body needs to be further pulled to the closed state, after the sliding door body is pulled to the closed state, an angle between the stretching direction of the elastic stretching piece and the moving direction of the sliding door body when the sliding door body is closed is larger than 0 degrees and smaller than 90 degrees, therefore, the elastic deformation force of the elastic stretching piece has a component force on the sliding door body in the closing direction of the sliding door body, and after the sliding door body is loosened, the elastic stretching piece is recovered from the compressed state to a natural state and pushes the sliding door body to be closed in place.
Therefore, the sliding door mechanism provided by the invention has the advantages that after the sliding door body is opened to exceed the balance state, the elastic telescopic element is used for assisting the opening process of the sliding door body, so that the sliding door body automatically completes the rest opening stroke, after the sliding door body is closed to exceed the balance state, the elastic telescopic element is used for assisting the closing process of the sliding door body, so that the sliding door body automatically completes the rest closing stroke, the bidirectional assisting of opening and closing of the sliding door body is realized only through one elastic telescopic element, the manpower is saved, the phenomenon that the sliding door is not opened or closed in place is reduced, and the use convenience of the sliding door is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an exploded view of a sliding door mechanism according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a sliding door body in an open state according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a sliding door body in a balanced state according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a sliding door body in a closed state according to an embodiment of the present invention.
Wherein 100 is a fixed cover plate, 101 is a first guide structure, 102 is a second guide structure, 103 is a first slider, 104 is a second slider, 200 is a sliding door body, 201 is a first door carrying support, 202 is a second door carrying support, 300 is an elastic telescopic piece, and 400 is a mounting support.
Detailed Description
In view of this, the core of the present invention is to provide a sliding door mechanism to improve the convenience of the sliding door.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, an embodiment of the present invention discloses a sliding door mechanism, which includes a fixed hood plate 100, a sliding door body 200, and an elastic expansion member 300.
Wherein, the sliding door body 200 is arranged on the fixed cover plate 100 in a sliding or rolling manner; one end of the elastic expansion piece 300 is rotatably connected with the fixed hood plate 100, and the other end is rotatably connected with the sliding door body 200; the sliding door body 200 has three states, which are an open state, a balanced state and a closed state, wherein in the open state, an angle between a telescopic direction of the elastic telescopic member 300 and a moving direction of the sliding door body 200 when opened is larger than 0 degree and smaller than 90 degrees; in a balanced state, an angle between the expansion direction of the elastic expansion member 300 and the moving direction of the sliding door body 200 when opened is equal to 90 °, and the elastic expansion member 300 is compressed; in the closed state, an angle between the expansion and contraction direction of the elastic expansion and contraction member 300 and the moving direction of the sliding door body 200 when closed is greater than 0 ° and less than 90 °.
When the sliding door mechanism provided by the invention is used, because the sliding door body 200 is arranged on the fixed cover plate 100 in a sliding or rolling manner, when the sliding door body 200 needs to be opened, the sliding door body 200 is pulled, so that the sliding door body 200 moves towards the opening direction until the sliding door body 200 is switched from the closed state to the balanced state, at this time, the angle between the stretching direction of the elastic expansion piece 300 and the moving direction of the sliding door body 200 when opened is equal to 90 degrees, the elastic expansion piece 300 is compressed, that is, the elastic deformation force of the elastic expansion piece 300 has no component force to the sliding door body 200 along the opening direction and the closing direction of the sliding door body 200, the sliding door body 200 needs to be further pulled to the open state, after the sliding door body 200 is pulled to the open state, the angle between the stretching direction of the elastic expansion piece 300 and the moving direction of the sliding door body 200 when opened is greater than 0 degrees and less than 90 degrees, therefore, the elastic deformation force of the elastic expansion piece 300 has component force to the sliding door body 200 along the opening direction of the sliding door body 200, and the sliding door body is automatically pushed to the open state after the sliding door body 200 is loosened; when the sliding door body 200 needs to be closed, the sliding door body 200 is pulled to move the sliding door body 200 in the open state towards the closing direction until the sliding door body 200 is switched from the open state to the balanced state, at this time, an angle between a stretching direction of the elastic extensible member 300 and a moving direction of the sliding door body 200 when the sliding door body 200 is opened is equal to 90 °, the elastic extensible member 300 is compressed, that is, an elastic deformation force of the elastic extensible member 300 has no component force to the sliding door body 200 in both the opening direction and the closing direction of the sliding door body 200, the sliding door body 200 needs to be further pulled to the closed state, after the sliding door body 200 is pulled to the closed state, an angle between the stretching direction of the elastic extensible member 300 and the moving direction of the sliding door body 200 when the sliding door body 200 is closed is greater than 0 ° and less than 90 °, therefore, the elastic deformation force of the elastic extensible member 300 has a component force to the sliding door body 200 in the closing direction of the sliding door body 200, and after the sliding door body 200 is released, the elastic extensible member 300 is restored from the compressed state to the natural state and pushes the sliding door body 200 to be closed in place.
Therefore, after the sliding door body 200 is opened to exceed the balance state, the sliding door mechanism provided by the invention can assist the opening process of the sliding door body 200 through the elastic telescopic element, so that the sliding door body 200 can automatically complete the rest opening stroke, and after the sliding door body 200 is closed to exceed the balance state, the elastic telescopic element can assist the closing process of the sliding door body 200, so that the sliding door body 200 can automatically complete the rest closing stroke, the bidirectional assistance of opening and closing the sliding door body 200 can be realized only through one elastic telescopic element, the manpower is saved, the phenomenon that the sliding door cannot be opened or closed in place is reduced, and the use convenience of the sliding door is improved.
It should be understood that the sliding door body 200 may be directly slidably or rollingly engaged with the fixed cover plate 100, or may be slidably or rollingly engaged with another component, and any arrangement that can meet the use requirement is within the scope of the present invention; alternatively, the sliding door body 200 provided by the embodiment of the present invention and the stationary shroud 100 may be slidably or rollingly engaged through additional components.
Specifically, a first door carrying support 201 and a second door carrying support 202 are arranged on the sliding door body 200, the first door carrying support 201 is located at the top of the sliding door body 200, the second door carrying support 202 is located at the bottom of the sliding door body 200, and a first guide structure 101 and a second guide structure 102 are arranged on the fixed cover plate 100; the first door carrying bracket 201 is slidably or rollingly engaged with the first guide structure 101, and/or the second door carrying bracket 202 is slidably or rollingly engaged with the second guide structure 102, so that the top and bottom of the sliding door body 200 are slidably or rollingly connected to the fixed cover plate 100, and the sliding door body 200 can be moved smoothly.
When the first door carrying bracket 201 is in sliding fit with the first guide structure 101, the second door carrying bracket 202 is in sliding fit with the second guide structure 102; alternatively, when the first door carrying bracket 201 is in sliding fit with the first guide structure 101, the second door carrying bracket 202 is in rolling fit with the second guide structure 102; or, when the first door carrying bracket 201 is matched with the first guide structure 101 in a rolling manner, the second door carrying bracket 202 is matched with the second guide structure 102 in a sliding manner; alternatively, when the first door carrying bracket 201 is in rolling engagement with the first guide structure 101, the second door carrying bracket 202 is in rolling engagement with the second guide structure 102.
Optionally, in an embodiment of the present invention, as shown in fig. 1, the first door carrying bracket 201 is slidably engaged with the first guiding structure 101, and the second door carrying bracket 202 is slidably engaged with the second guiding structure 102.
Further, the first guide structure 101 and the second guide structure 102 may be a guide rod, a sliding chute, a sliding rail, or other types of structures, and any structural form that can meet the use requirement is within the protection scope of the present invention; optionally, the first guiding structure 101 and the second guiding structure 102 provided in the embodiment of the present invention are both sliding groove structures, and the first sliding block 103 and the second sliding block 104 are respectively slidably disposed in the first guiding structure 101 and the second guiding structure 102, the first sliding block 103 is connected to the first door carrying bracket 201, and the second sliding block 104 is connected to the second door carrying bracket 202, so as to implement sliding fit between the first door carrying bracket 201 and the first guiding structure 101, and sliding fit between the second door carrying bracket 202 and the second guiding structure 102, thereby implementing sliding fit between the sliding door body 200 and the fixed cover plate 100.
In addition, the elastic expansion element 300 may be a cylindrical spring or a gas spring, and any type of element that can meet the use requirement is within the protection scope of the present invention; optionally, the elastic expansion piece 300 provided by the embodiment of the present invention is a gas spring.
The elastic expansion piece 300 provided by the invention can be directly connected with the fixed cover plate 100 in a rotating way, and also can be indirectly connected with the fixed cover plate 100 in a rotating way through additionally arranged parts, and the elastic expansion piece is in the protection scope of the invention as long as the elastic expansion piece can meet the use requirement; alternatively, the elastic expansion member 300 provided in the embodiment of the present invention is indirectly rotatably coupled to the stationary hood plate 100.
Specifically, a mounting bracket 400 is fixedly disposed on the fixed hood panel 100, the elastic expansion piece 300 is rotatably connected with the mounting bracket 400 to form a movable space capable of accommodating the sliding door body 200 between the mounting bracket 400 and the fixed hood panel 100, and the rotary connection between the elastic expansion piece 300 and the fixed hood panel 100 is achieved through the mounting bracket 400.
In addition, a handle structure is arranged on the sliding door body 200, so that the sliding door body 200 can be pulled through the handle structure, and the sliding door body 200 can be opened and closed.
In addition, a sealing buffer is disposed at an edge of the sliding door body 200 to buffer a rigid impact when the sliding door body 200 is closed, and the sliding door body 200 performs a sealing function after being closed.
In addition, the invention also discloses a vehicle compartment structure and a rail vehicle, which comprise the sliding door mechanism, so that all technical effects of the sliding door mechanism are achieved, and the details are not repeated herein.
The terms "first" and "second," and the like in the description and claims of the present invention and the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not set forth for a listed step or element but may include steps or elements not listed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A sliding door mechanism, comprising:
fixing a cover plate;
the sliding door body is arranged on the fixed cover plate in a sliding or rolling manner;
one end of the elastic telescopic piece is rotationally connected with the fixed cover plate, and the other end of the elastic telescopic piece is rotationally connected with the sliding door body;
wherein the sliding door body has three states, namely an opening state, a balance state and a closing state,
in the opening state, the angle between the stretching direction of the elastic stretching piece and the moving direction of the sliding door body when the sliding door body is opened is larger than 0 degree and smaller than 90 degrees;
in the balance state, an angle between the stretching direction of the elastic expansion piece and the moving direction of the sliding door body when the sliding door body is opened is equal to 90 degrees, and the elastic expansion piece is compressed;
in the closed state, an angle between the telescopic direction of the elastic telescopic piece and the moving direction of the sliding door body when the sliding door body is closed is larger than 0 degree and smaller than 90 degrees.
2. The sliding door mechanism according to claim 1, wherein the sliding door body is provided with a first door carrying bracket and a second door carrying bracket, and the fixed cover plate is provided with a first guide structure and a second guide structure;
the first door carrying support is in sliding fit or rolling fit with the first guide structure, and/or the second door carrying structure is in sliding fit or rolling fit with the second guide structure.
3. The sliding door mechanism according to claim 2 wherein said first door carrying bracket is slidably engaged with said first guide structure and said second door carrying structure is slidably engaged with said second guide structure.
4. The sliding door mechanism according to claim 3, wherein the first guiding structure and the second guiding structure are both sliding groove structures, and a first sliding block and a second sliding block are slidably disposed in the first guiding structure and the second guiding structure, respectively, the first sliding block is connected to the first door carrying bracket, and the second sliding block is connected to the second door carrying bracket.
5. A sliding door mechanism according to claim 1, characterised in that the resilient expansion member is a gas spring.
6. The sliding door mechanism according to claim 1, wherein a mounting bracket is fixedly disposed on the stationary housing plate, and the elastic expansion member is rotatably connected to the mounting bracket.
7. The sliding door mechanism according to claim 1, wherein a pull handle structure is provided on the sliding door body.
8. A sliding door mechanism according to claim 1, wherein the edge of the sliding door body is provided with a sealing bumper.
9. A vehicle compartment structure comprising the sliding door mechanism according to any one of claims 1 to 8.
10. A railway vehicle, characterized in that it comprises a sliding door mechanism according to any one of claims 1 to 8.
CN202211344395.8A 2022-10-31 2022-10-31 Sliding door mechanism, vehicle compartment structure and rail vehicle Pending CN115535012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211344395.8A CN115535012A (en) 2022-10-31 2022-10-31 Sliding door mechanism, vehicle compartment structure and rail vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211344395.8A CN115535012A (en) 2022-10-31 2022-10-31 Sliding door mechanism, vehicle compartment structure and rail vehicle

Publications (1)

Publication Number Publication Date
CN115535012A true CN115535012A (en) 2022-12-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211344395.8A Pending CN115535012A (en) 2022-10-31 2022-10-31 Sliding door mechanism, vehicle compartment structure and rail vehicle

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117734748A (en) * 2024-01-10 2024-03-22 今创集团股份有限公司 Rail vehicle compartment partition sliding door system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117734748A (en) * 2024-01-10 2024-03-22 今创集团股份有限公司 Rail vehicle compartment partition sliding door system
CN117734748B (en) * 2024-01-10 2024-05-28 今创集团股份有限公司 Rail vehicle compartment partition sliding door system

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