CN209535068U - A kind of track train, car door and car door resetting apparatus - Google Patents

Abstract

The purpose of the utility model is to provide a kind of track train, car door and car door resetting apparatuses, wherein car door resetting apparatus includes shaft, connector, attachment base and the first fixing seat and the second fixing seat that shaft can be fixed on to car body；The concentric rotation axis of shaft and car door；Connector is used for the door body of affixed attachment base and car door；Attachment base is rotatably socketed on the outside of shaft, and between the first fixing seat and the second fixing seat；The bottom end of attachment base is equipped with the first inclined surface, and the top of the second fixing seat is equipped with the second inclined surface compatible with the first inclined surface.The car door resetting apparatus structure is simple, at low cost and adaptability is good, can realize and automatically reset after car door opening, starts suddenly to avoid track train or risk that interior people or object are fallen along car door.

Description

A kind of track train, car door and car door resetting apparatus

Technical field

The utility model relates to track train technical fields, and in particular to a kind of track train, car door and car door reset dress It sets.

Background technique

Car door is the indispensable a part of track train, however the car door of most of track trains, especially shipping arrange Automobile-used car door, because of the limitation of track train overall cost, frequency of use, working environment etc., often do not accomplish it is very accurate, only It is to realize rotating function by the pin shaft on door, without having runback bit function.

When track train maintenance or other operations need inside operator's injection train, need to open car door, It just can be carried out various operations.Operator may be forgotten after opening car door by closing of the door, at this time if track train is unexpected Starting or car have grease stain to cause the case where skidding, and cause occupant or article to be got rid of lower railway train and cause personal injury. Therefore, it designs a kind of with runback bit function and car door simple and reliable for structure is particularly important.

In the prior art, have and push door body to reset it by actuator, wherein actuator can choose cylinder or electricity Machine and the combination of lead screw etc., but the structure of such setting actuator, structure is complex, higher cost, and needs in car door There are the spaces of installation actuator at place, more demanding for installation operating condition.

Therefore, how the car door resetting apparatus that a kind of structure is simple, at low cost and adaptability is good is provided, can be beaten in car door It realizes and automatically resets after out, start suddenly to avoid track train or the people of car or the risk that is fallen along car door of object, be ability Field technique personnel's technical issues that need to address.

Utility model content

The purpose of the utility model is to provide a kind of track train, car door and car door resetting apparatus, structure is simple, at low cost And adaptability is good, can realize and automatically reset after car door opening, starts suddenly to avoid track train or interior people or object The risk fallen along car door.

In order to solve the above technical problems, the utility model provides a kind of car door resetting apparatus comprising shaft, connector, Attachment base and the first fixing seat and the second fixing seat that the shaft can be fixed on to car body；The shaft and the car door Concentric rotation axis；The connector is used for the door body of the affixed attachment base and car door；The attachment base is rotatably socketed In the outside of the shaft, and between first fixing seat and second fixing seat；The bottom end of the attachment base is set There is the first inclined surface, the top of second fixing seat is equipped with the second inclined surface compatible with first inclined surface.

When particularly, under car door is in close state, the first inclined surface and the second inclined surface inclined surface Liang Ge are in Fit-state, the position of two inclined surface is stablized at this time；When car door rotarily opens, the door body of car door will drive attachment base and rotate Axis rotation, so that the first inclined surface rotates relative to the second inclined surface, two inclined surface dislocation, attachment base will be along Second inclined surface is climbed upwards, and drives door body to rise by connector, at this point, since two inclined surface misplace, attachment base and The relative position of second fixing seat is unstable, and with the door body that attachment base rises, the gravity of its own can be connection Seat provides the power for moving down and rotating around the axis along the second inclined surface, therefore, when the active force for removing outer bound pair car door Afterwards, under the gravity of door body, the first inclined surface in misaligned state will be rotated down along the second inclined surface move until First inclined surface turns to original position (two inclined surface fittings), so that car door is turned to original position, restores closed state.

In the car door resetting apparatus, vehicle can be realized without actuators, the gravity against door body itself such as motor or cylinders Door automatically resets, and guarantees safety.The car door resetting apparatus it is simple and reliable for structure, manufacturing cost is low and adaptability is good, to peace Dress working condition requirement is lower, can adapt to operating condition in bad environments, meanwhile, working service is convenient, has good promotional value.

It optionally, further include pressure spring, the pressure spring is socketed on the outside of the shaft, and the pressure spring is located in the company Between joint chair and first fixing seat.

Optionally, the top of the attachment base and the bottom end of first fixing seat further respectively have retaining ring, the pressure spring It is located between two retaining rings.

Optionally, in the state that first inclined surface and second inclined surface are bonded, the pressure spring is in compression State.

Optionally, the door body and/or the attachment base are equipped with fastener, the end of the fastener and the connector It is bolted, the axis of the bolt is vertical with the axis of the shaft.

Optionally, the side on the door body towards the top of first fixing seat is equipped with mounting hole, the top of the shaft End is pierced by the upper end of first fixing seat and is rotatably disposed in the mounting hole, and the mounting hole can be along the shaft It is mobile axially with respect to the shaft.

Optionally, first fixing seat includes first sleeve and the first mounting base, and the shaft passes through the first set First sleeve described in Guan Bingyu is fixed, and the first sleeve is fixed on the car body by bolt by first mounting base.

Optionally, second fixing seat includes the second mounting base, the second casing and consolidates with what second casing was fixed Determine part；The top of second casing is equipped with second inclined surface, and the bottom end of the shaft is located in second casing, institute It states the second mounting base and is fixed the fixing piece and the car body by bolt.

The utility model additionally provides a kind of car door comprising door body and car door resetting apparatus as described above.

In addition, the utility model additionally provides a kind of track train comprising car door as described above.

Car door with car door resetting apparatus as described above and with the track train of the car door, technical effect with it is upper The technical effect for stating car door resetting apparatus is similar, and to save length, this will not be repeated here.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of car door provided by the utility model embodiment in the off state；

Fig. 2 is the structural schematic diagram of car door provided by the utility model embodiment in the on state.

In attached drawing 1-2, the reference numerals are as follows:

1- shaft；2- connector, 21- first end, 22- the second end；3- attachment base；The first fixing seat of 4-, 41- first Casing, the first mounting base of 42-；The second fixing seat of 5-, the second casing of 51-, the second mounting base of 52-, 53- fixing piece；6- door body；7- Pressure spring；8- retaining ring；9- fastener.

Specific embodiment

In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing and have The utility model is described in further detail for body embodiment.

Fig. 1-2 is please referred to, Fig. 1 is the structural representation of car door provided by the utility model embodiment in the off state Figure；Fig. 2 is the structural schematic diagram of car door provided by the utility model embodiment in the on state.

The utility model embodiment provides a kind of track train, car door and car door resetting apparatus, wherein track train packet Above-mentioned car door is included, car door hired car door body 6 and above-mentioned car door resetting apparatus, car door resetting apparatus are used for the car door when the track train After rotarily opening, the car door is resetted into (closing) automatically, forgets to close after opening to avoid car door, track train starts suddenly Or car has grease stain to cause the case where skidding, and causes occupant or article to be got rid of lower railway train and causes personal injury, in turn Ensure safety.

Specifically, as depicted in figs. 1 and 2, which includes that shaft 1, connector 2, attachment base 3, first are solid Reservation 4 and the second fixing seat 5, wherein the concentric rotation axis of 2 car door of shaft, the i.e. door body 6 of car door being capable of 2 rotations around the shaft；The Shaft 1 can be fixed on car body by one fixing seat 4 and the second fixing seat 5, and the second fixing seat 5 is set to the first fixing seat 4 Lower section.Connector 2 is used for the door body 6 of affixed attachment base 3 and car door, keeps attachment base 3 and door body 6 relatively fixed, attachment base 3 is located at Between first fixing seat 4 and the second fixing seat 5 and be sheathed on the outside of shaft 1, attachment base 3 can 1 rotation around the shaft, and connect The bottom end of seat 3 is equipped with the first inclined surface, and the top of the second fixing seat 5 is equipped with the second inclined surface compatible with the first inclined surface.

When particularly, under car door is in close state, as shown in Figure 1, the first inclined surface and the second inclined surface two Inclined surface is in fit-state, and the position of two inclined surface is stablized at this time；When car door rotarily opens, the door body 6 of car door can band 1 rotation around the shaft of dynamic attachment base 3, so that the first inclined surface rotates relative to the second inclined surface, two inclined surface mistakes Position, as shown in Fig. 2, attachment base 3 will climb upwards along the second inclined surface, and drive door body 6 to rise by connector 2, at this point, Since two inclined surface misplace, the relative position of attachment base 3 and the second fixing seat 5 is unstable, and the door risen with attachment base 3 Body 6, its own gravity can provide one for attachment base 3 and move down along the second inclined surface and 1 rotate around the shaft Power, therefore, after removing the active force of outer bound pair car door, under the gravity of door body 6, the first inclination in misaligned state Face will be rotated down along the second inclined surface moves until the first inclined surface turns to original position (two inclined surface fitting), turns car door It moves to original position, restores closed state.

In car door resetting apparatus provided by the present embodiment, without actuators such as motor or cylinders, the door body 6 itself is abutted Gravity can be realized automatically reseting for car door, guarantee safety.The car door resetting apparatus it is simple and reliable for structure, manufacturing cost is low And adaptability is good, it is lower to installation working condition requirement, can adapt to operating condition in bad environments, meanwhile, working service is convenient, has Good promotional value.

In the above-described embodiments, which further includes pressure spring 7, which is sheathed on outside and the folder of shaft 1 Between attachment base 3 and the first fixing seat 4.When car door rotarily opens, door body 6 drives attachment base 3 to rotate, and attachment base 3 will 1 rotation around the shaft simultaneously rises along the second inclined surface to compress the pressure spring 7, i.e., in the on state, pressure spring 7 is in compression shape to car door State, and in compressive state pressure spring 7 restoring force can act on attachment base 3 make attachment base 3 have along second inclination towards Lower movement and the around the shaft trend of 1 rotation, that is to say, that in the present embodiment, after removing the active force of outer bound pair car door, pressing Under the restoring force of spring 7 and the gravity collective effect of door body 6, the first inclined surface in misaligned state will be along the second inclination downwards Moving in rotation will drive the first inclined surface to turn to original position.The setting of the pressure spring 7 can be further assured that the car door resetting apparatus energy It is enough to reset car door.

In the above-described embodiments, the top of attachment base 3 and the bottom end of the first fixing seat 4 further respectively have retaining ring 8, pressure spring 7 It is located between two retaining rings 8.The setting of retaining ring 8 can guarantee the stability that the both ends of pressure spring 7 abut, and avoid that pressure spring 7 occurs There is a situation where channel bit failure for end.

In the above-described embodiments, (car door, which is in, closes shape in the state that the first inclined surface and the second inclined surface are bonded State), pressure spring 7 is in compressive state, so that the pressure spring 7 is had enough restoring forces, and be further ensured that the car door resetting apparatus energy It is enough to reset car door.

In the above-described embodiments, door body 6 and/or attachment base 3 are equipped with fastener 9, and the end of fastener 9 and connector 2 is logical It crosses and is bolted, the axis of bolt is vertical with the axis of shaft 1.That is, there are three types of the connection types of connector 2, herein For convenience of description, the both ends of connector 2 are named as first end 21 and the second end 22, wherein first end 21 and door body 6 Connection, the second end 22 are connect with attachment base 3, the first connection type is as depicted in figs. 1 and 2, the second end 22 of connector 2 Directly affixed with attachment base 3, door body 6 is equipped with fastener 9, and the first end 21 of the fastener 9 and connector 2 is respectively equipped with fixation Hole, when under car door is in close state, it is affixed that bolt passes through two fixation holes realizations；Second of connection type is first end 21 and door body 6 it is directly affixed, the outer wall of attachment base 3 is equipped with fastener 9, and the second end 22 and fastener 9 are respectively equipped with fixation hole, When under car door is in close state, it is affixed that bolt passes through two fixation holes realizations；The third connection type is door body 6 and connection The outer wall of seat 3 is respectively equipped with fastener 9, and two fasteners 9, first end 21 and the second end 22 are respectively equipped with fixation hole, Car door be in close state under when, the both ends of connector 2 pass through respectively bolt realize it is affixed.Wherein, it is above-mentioned it is directly affixed can be with Be welding, riveting or integral structure, herein with no restrictions.

Above-mentioned three kinds of connection types can avoid connector 2 compared to by for the directly affixed scheme in the both ends of connector 2 There are stress between door body 6 and between connector 2 and attachment base 3, so that door body 6 or the car door resetting apparatus deform Situations such as, and then guarantee the service life of the car door resetting apparatus.

Specifically, the structure of connector 2 is with no restrictions, in the present embodiment, rod-like structure is set by the connector 2, It can also be set to slab construction etc..

In the above-described embodiments, the side on door body 6 towards the top of the first fixing seat 4 is equipped with mounting hole, the top of shaft 1 Across the first fixing seat 4 and stretch out the top of the first fixing seat 4, also, the top of this turn is located in mounting hole, mounting hole and turn Axis 1 can relatively rotate and mounting hole can moving axially with respect to shaft 1 along shaft 1.Certainly, in the present embodiment, Car body can also be arranged to the rotation axis that can support door body 6, shaft 1 and rotation axis are coaxial, and door body 6 is rotated around the rotation axis, And door body 6 can be moved along the axis of rotation axis relative to rotation axis, at this point, the car door resetting apparatus is only used for making car door It resets.And the scheme that the top of shaft 1 is stretched out the first fixing seat 4 and cooperated with mounting hole, car body, can without separately setting rotation axis Simplify overall structure, good economy performance.

In described above, the first fixing seat 4 includes first sleeve 41 and the first mounting base 42, and shaft 1 passes through first set Pipe 41 is simultaneously fixed with first sleeve 41, and first sleeve 41 is fixed on car body by bolt by the first mounting base 42.Certainly, this implementation In example, supporting element can also be set by the first fixing seat 4, which is welded and fixed with car body and shaft 1 respectively, at this point, With no restriction for the concrete shape of supporting element, structure, as long as the supporting element enables to the top of shaft 1 to fix with car body And make between shaft 1 and car body that there are certain distance (to be sheathed on attachment base 3 and pressure spring 7).And 41 He of first sleeve The structure setting of first mounting base 42 make overall structure it is regular, convenient for the disassembly between shaft 1 and car body.

In the above-described embodiments, the second fixing seat 5 includes the second casing 51, fixing piece 53 and the second mounting base 52, wherein Second casing 51 is fixed with fixing piece 53, and the second mounting base 52 can be fixed fixing piece 53 with car body by bolt, and second set The top of pipe 51 is equipped with above-mentioned second inclined surface, and the bottom end of shaft 1 is located in the second casing 51.Specifically, in the present embodiment, The bottom end of shaft 1 can be fixed with the second casing 51, can also be fixed with fixing piece 53, also, the second casing 51 and solid Determine fixed form between part 53 with no restrictions, such as can be set and be an integral structure or affixed by bolt or pass through weldering It connects fixed.The installation for the bottom that the setting of second casing 51 is easy to implement shaft 1 is fixed, certainly, in the present embodiment, The bottom of shaft 1, the second casing 51 and 53 three of fixing piece can be arranged and be an integral structure, and in the present embodiment Second casing 51, fixing piece 53, shaft 1 are disposed as the scheme of split type structure, and materials are convenient and reduce processing request, in turn Reduce cost of manufacture.Meanwhile second mounting base 52 fixed by bolt and car body, it is easy to disassemble.

In addition, track train described in above-described embodiment, which can be goods train, is also possible to passenger train, phase It answers, the car door that the car door in above-described embodiment can be wagon box is also possible to the car door of carriage, fills when the car door resets When setting the car door applied to wagon box, the door body 6 of the car door can be a column, when the car door resetting apparatus is applied to carriage When car door, car body is equipped with inclined surface structure or sealing device to corresponding position with the upper and lower ends of door body 6, to cooperate the door body 6 move up and down, content according to the above records, and those skilled in the art are in the action principle for understanding the car door resetting apparatus Afterwards, how natural energy solution much of that is arranged the structure of above-mentioned inclined surface structure or sealing device, to save length, does not do herein superfluous It states.

Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications Also it should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of car door resetting apparatus, which is characterized in that including shaft (1), connector (2), attachment base (3) and can be by institute State the first fixing seat (4) and the second fixing seat (5) that shaft (1) is fixed on car body；

The shaft (1) and the rotary shaft (1) of the car door are coaxial；

The connector (2) is used for the door body (6) of the affixed attachment base (3) and car door；

The attachment base (3) is rotatably socketed on the outside of the shaft (1), and is located at first fixing seat (4) and institute It states between the second fixing seat (5)；

The bottom end of the attachment base (3) is equipped with the first inclined surface, and the top of second fixing seat (5) is equipped with inclines with described first Compatible second inclined surface in inclined-plane.

2. car door resetting apparatus according to claim 1, which is characterized in that it further include pressure spring (7), pressure spring (7) set Be connected to the outside of the shaft (1), and the pressure spring (7) be located in the attachment base (3) and first fixing seat (4) it Between.

3. car door resetting apparatus according to claim 2, which is characterized in that the top of the attachment base (3) and described The bottom end of one fixing seat (4) further respectively has retaining ring (8), and the pressure spring (7) is located between two retaining rings (8).

4. car door resetting apparatus according to claim 2, which is characterized in that incline in first inclined surface and described second In the state of inclined-plane fitting, the pressure spring (7) is in compressive state.

5. car door resetting apparatus according to claim 1-4, which is characterized in that the door body (6) and/or described Attachment base (3) is equipped with fastener (9), and the end of the fastener (9) and the connector (2) is bolted, the spiral shell The axis of bolt is vertical with the axis of the shaft (1).

6. car door resetting apparatus according to claim 1-4, which is characterized in that the door body (6) is described in The side on the top of the first fixing seat (4) is equipped with mounting hole, and the top of the shaft (1) is pierced by first fixing seat (4) Upper end is simultaneously rotatably disposed in the mounting hole, and the mounting hole can be along the shaft (1) axially with respect to described turn Axis (1) is mobile.

7. car door resetting apparatus according to claim 6, which is characterized in that first fixing seat (4) includes first set (41) and the first mounting base (42) are managed, the shaft (1) passes through the first sleeve (41) and solid with the first sleeve (41) Fixed, the first sleeve (41) is fixed on the car body by bolt by first mounting base (42).

8. car door resetting apparatus according to claim 1-4, which is characterized in that the second fixing seat (5) packet Include the second mounting base (52), the second casing (51) and the fixing piece (53) fixed with second casing (51)；

The top of second casing (51) is equipped with second inclined surface, and the bottom end of the shaft (1) is located at described second set It manages in (51), second mounting base (52) is fixed the fixing piece (53) with the car body by bolt.

9. a kind of car door, which is characterized in that including door body (6) and such as the described in any item car door resetting apparatuses of claim 1-8.

10. a kind of track train, which is characterized in that including car door as claimed in claim 9.