CN208021474U - Hitch buffer and rail vehicle - Google Patents
Hitch buffer and rail vehicle Download PDFInfo
- Publication number
- CN208021474U CN208021474U CN201721813250.2U CN201721813250U CN208021474U CN 208021474 U CN208021474 U CN 208021474U CN 201721813250 U CN201721813250 U CN 201721813250U CN 208021474 U CN208021474 U CN 208021474U
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- CN
- China
- Prior art keywords
- pull rod
- cylinder cap
- hitch
- cylinder body
- buffer
- Prior art date
- Legal status (The legal status 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 status listed.)
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Abstract
The utility model belongs to rail vehicle attachment device technical field, it is related to a kind of hitch buffer and rail vehicle, the hitch buffer includes gray iron, pull rod and Buffer Unit, the interface board for being fixedly connected with run-through channel is provided on the cylinder body, the cylinder body and the cylinder cap are formed with the inner cavity for being packed into the Buffer Unit, the pull rod is slidably connected on the cylinder cap, one end of the pull rod is located at the inner cavity and the Buffer Unit, the other end of the pull rod is passed through to be located at outside the inner cavity.The hitch of the utility model embodiment can be used as buffering accumulated energy unit with buffer, it may also be used for support train run-through channel need not support run-through channel by body frame structure for automotive or individually designed support construction, simple in structure, be easily installed.
Description
Technical field
The utility model belongs to safety theftproof device technical field, more particularly to a kind of hitch buffer and railcar
?.
Background technology
Inventor has found that it is simple as buffering accumulated energy unit that existing rail car coupler, which uses buffer all, is not had
There is setting to be used to support train run-through channel and carries the structure of the weight of passenger in train run-through channel.In this way, rail vehicle needs
The function that support run-through channel is realized by body frame structure for automotive or individually designed support construction is not easy to pacify there are complicated
The shortcomings of dress.
Invention content
Technical problem to be solved in the utility model is：Use buffer only as single for existing rail car coupler
Pure buffering accumulated energy unit needs the function that support run-through channel is realized by body frame structure for automotive or individually designed support construction,
There are complicated, the technical problems such as installation are not easy to, a kind of hitch buffer and rail vehicle are provided.
In order to solve the above technical problems, on the one hand, the utility model embodiment provides a kind of hitch buffer, including cylinder
Body, cylinder cap, pull rod and Buffer Unit, the cylinder body and the cylinder cap are formed with the inner cavity for accommodating the Buffer Unit, institute
The one end for stating pull rod is located at the interior intracavitary, and the other end is located at outside the inner cavity, and the pull rod passes through the Buffer Unit and institute
It states cylinder cap and is slidably connected on the cylinder cap, the interface board for being fixedly connected with run-through channel is provided on the cylinder body.
Optionally, multiple interface holes are provided on the interface board, bolt passes through the interface holes to be fixedly connected
State interface board and the run-through channel.
Optionally, the interface board is integrally formed with the cylinder body.
Optionally, one end of the pull rod is provided with nut assembly, and the pull rod is formed with the first ladder, in the cylinder body
Side is formed with the second ladder, and the nut assembly, the cylinder cap, first ladder and second ladder are jointly limiting
The Buffer Unit.
Optionally, the nut assembly includes slotted nut, cushion and baffle plate, and one end of the pull rod is formed with
Three ladders, the third ladder and the slotted nut form backstop slot, and the cushion and the baffle plate are respectively positioned on described
In backstop slot, the cushion is between the slotted nut and the baffle plate.
Optionally, the first pin hole is formed on the pull rod, the corresponding position of the slotted nut forms fluted, opening
Pin is across first pin hole and groove for limiting the slotted nut.
Optionally, further include the seal closure being located at outside the inner cavity, the seal closure, the cylinder cap and the pull rod are formed
There are seal chamber, the seal chamber interior sealing to have lubricant.
Optionally, the seal closure is fixedly connected with the cylinder cap and the pull rod respectively by clip, the pull rod and
It is both provided with to be caught in the snap-ring groove of the clip on the cylinder cap.
Optionally, the cylinder cap is equipped with external screw thread, and the cylinder body is equipped with internal thread, and the cylinder cap and the cylinder body pass through institute
It states external screw thread and the internal thread is fixedly connected, the cylinder body and the cylinder cap are formed with the second pin hole, and fixed pin passes through described
Second pin hole is rotated for limiting the cylinder cap relative to the cylinder body.
According to the hitch buffer of the utility model embodiment, compared with the existing technology, by being provided on cylinder body
The interface board for being fixedly connected with run-through channel so that the hitch can be used as buffering accumulated energy unit with buffer, may be used also
It is used to support train run-through channel, run-through channel, structure letter need not be supported by body frame structure for automotive or individually designed support construction
It is single, it is easily installed.
On the other hand, the utility model embodiment additionally provides a kind of rail vehicle comprising above-mentioned hitch buffering
Device.
Description of the drawings
Fig. 1 is the stereogram for the hitch buffer that one embodiment of the utility model provides；
Fig. 2 is the vertical view for the hitch buffer that one embodiment of the utility model provides；
Fig. 3 is the schematic diagram for the hitch buffer that one embodiment of the utility model provides；
Fig. 4 is the enlarged drawing of A in Fig. 3；
Fig. 5 is the enlarged drawing of B in Fig. 3.
Reference numeral in specification is as follows：
1, cylinder body；2, cylinder cap；3, pull rod；4, Buffer Unit；5, buffer stopper；6, the first limiting plate；7, the second limiting plate；8,
Interface board；9, interface holes；10, nut assembly；11, the first ladder；12, the second ladder；13, annular protrusion；14, slotted nut；
15, cushion；16, baffle plate；17, split pin；18, the first pin hole；19, seal closure；20, clip；21, seal chamber；22, block
Bind round slot；23, fixed pin；24, the second pin hole；25, fixed pin gasket；26, fixed pin bending piece.
Specific implementation mode
The technical issues of in order to keep the utility model solved, technical solution and advantageous effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the utility model is described in further detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
As shown in Figures 1 to 5, one embodiment of the utility model provide hitch buffer, including cylinder body 1, cylinder cap 2,
Pull rod 3 and Buffer Unit 4, cylinder body 1 and cylinder cap 2 are formed with the inner cavity for accommodating Buffer Unit 4, and one end of pull rod 3 is positioned at interior
Intracavitary, the other end are located at outside inner cavity, and pull rod 3 passes through Buffer Unit 4 and cylinder cap 2 and is slidably connected on cylinder cap 2, is set on cylinder body 1
It is equipped with the interface board 8 for being fixedly connected with run-through channel.
Cylinder body 1 is integral cast molding, overcomes and deforms, welds caused by welding difficulty, welding due to local space is small
The shortcomings of post-processing is difficult improves production efficiency.
Buffer Unit 4 includes buffer stopper 5, the first limiting plate 6 and the second limiting plate 7, buffer stopper 5, the first limiting plate 6 and the
Two limiting plates 7 are socketed on pull rod 3, and buffer stopper 5 is between the first limiting plate 6 and the second limiting plate 7, the first limiting plate 6
With the annular protrusion 13 for being equipped with the axial direction extension along cylinder body 1 on the second limiting plate 7, annular protrusion 13 is located at 3 He of pull rod
Between buffer stopper 5, cavity is formed between buffer stopper 5 and pull rod 3.Wherein, buffer stopper 5 and the first limiting plate 6 and second limit
7 separable connections of plate are conveniently replaceable buffer stopper 5, the first limiting plate 6 or the second limiting plate 7, are simple to manufacture.
In one embodiment, as shown in Figure 1 to Figure 2, multiple interface holes 9 are provided on interface board 8, bolt passes through interface holes
9 being fixedly connected with interface board 8 and run-through channel.
Multiple interface holes 9 are provided on interface board 8, bolt passes through interface holes 9 to be fixedly connected with interface board 8 and perforation
Road.
In one embodiment, as shown in Figure 1 to Figure 3, interface board 8 is integrally formed with cylinder body 1, easy for installation, and intensity is high.
In one embodiment, as shown in Figures 1 and 3, one end of pull rod 3 is provided with nut assembly 10, and pull rod 3 is formed with
One ladder 11,1 inside of cylinder body are formed with the second ladder 12, and nut assembly 10, cylinder cap 2, the first ladder 11 and the second ladder 12 are total
With to limiting buffer component 4.
Buffer Unit 4 has hold mode and buffer status, when without outer force effect, nut assembly 10 and the second ladder 12
Against one end of Buffer Unit 4, against the other end of Buffer Unit 4, Buffer Unit 4, which is in, to be kept for cylinder cap 2 and the first ladder 11
State.
When having outer force effect, 4 other end of Buffer Unit is detached from cylinder cap 2 by the pressure from the first ladder 11, and delays
The one end for rushing component 4 is detached from nut assembly 10, the first ladder 11 and the second ladder 12 to limit and compress Buffer Unit 4；Or
4 one end of person's Buffer Unit is detached from the second ladder 12 by the pressure from nut assembly 10, and the other end of Buffer Unit 4 is de-
From the first ladder 11, to limit and compress Buffer Unit 4, Buffer Unit 4 is in buffer status for nut assembly 10 and cylinder cap 2.
After the external force for acting on Buffer Unit 4 releases, Buffer Unit 4 can be by buffering under the action of selfer power
Replying state is to hold mode.
In one embodiment, it as shown in figure 4, nut assembly 10 includes slotted nut 14, cushion 15 and baffle plate 16, draws
One end of bar 3 is formed with third ladder（It is not marked in figure）, third ladder and slotted nut 14 are formed with backstop slot, cushion 15
And baffle plate 16 is respectively positioned in backstop slot, cushion 15 is between slotted nut 14 and baffle plate 16.
Baffle plate 16 prevents cushion 15 and third ladder and Buffer Unit 4 between cushion 15 and third ladder
It directly abuts.When having outer force effect, one end of Buffer Unit 4 is detached from baffle plate 16, and the side of cushion 15 presses slotted nut
14, the other side of cushion 15 presses third ladder by baffle plate 16, and then provides pretightning force for slotted nut 14, avoids out
Slot nut 14 loosens；Or draw-in groove nut 14 presses baffle plate 16 by cushion pad 15, baffle plate 16 transfers the pressure to buffering
Component 4, and then cushion 15 is avoided to damage.
In one embodiment, as shown in Figures 3 and 4, the first pin hole 18, the correspondence of slotted nut 14 are formed on pull rod 3
Position forms fluted, and split pin 17 passes through the first pin hole 18 and groove for limiting slotted nut 14.Slotted nut 14 by
When squeezing and slight sliding occur, 14 tight abutment split pin 17 of slotted nut, to prevent slotted nut 14 from loosening.
In one embodiment, as shown in figure 3, further including the seal closure 19 being located at outside inner cavity, seal closure 19, cylinder cap 2 and drawing
Bar 3 is formed with seal chamber 21, and 21 interior sealing of seal chamber has lubricant.The seal chamber 21 that seal closure 19, cylinder cap 2 and pull rod 3 are formed
It can be used for dust-proof, the lubricant in seal chamber 21（It is not drawn into figure）Lubricant Castor Oil pull rod 3 and cylinder cap 2 reduce 3 phase of pull rod
To the friction that the sliding of cylinder cap 2 generates, simultaneously, it can also be used to dust-proof.
In one embodiment, as shown in figure 3, seal closure 19 is fixedly connected with cylinder cap 2 and pull rod 3 respectively by clip 20,
It is both provided with to be caught in 20 slot of clip of clip 20 on pull rod 3 and cylinder cap 2.Being provided at both ends with of seal closure 19 connects cylinder
20 slot of clip is both provided on the clip 20 of lid 2 and pull rod 3, pull rod 3 and cylinder cap 2, clip 20 is located in 20 slot of clip, for preventing
Only seal closure 19 loosens or falls off because pull rod 3 is slided with respect to cylinder cap 2.
In one embodiment, as shown in figure 3, cylinder cap 2 is equipped with external screw thread, cylinder body 1 is equipped with internal thread, and cylinder cap 2 and cylinder body 1 are logical
It crosses external screw thread and internal thread is fixedly connected, cylinder body 1 and cylinder cap 2 are formed with the second pin hole 24, and fixed pin 23 passes through the second pin hole 24
For limiting the rotation of 2 opposing cylinder 1 of cylinder cap.
The fixed pin gasket 25 for preventing fixed pin 23 from falling off is provided on cylinder body 1, fixed pin gasket 25 is by multiple
Bolt is fixedly connected with cylinder body 1, and fixed bending piece 26, fixed bending piece are provided between fixed pin gasket 25 and the nut of bolt
26 wrap up nuts to prevent bolt from rotating.
The hitch buffer of the utility model embodiment, the course of work are as follows：
When coupler and draft gear is by pulling force, pull rod 3 squeezes Buffer Unit 4, warp by the nut assembly 10 being arranged thereon
After crossing 4 energy-absorbing damping of Buffer Unit, then pressure is transmitted to by cylinder cap 2 by Buffer Unit 4.In the process, Buffer Unit 4 and cylinder
The first ladder 11 separation of the second ladder 12 and pull rod 3 of body 1,4 deformation retract of Buffer Unit.When coupler and draft gear is by pressure
When, pull rod 3 squeezes Buffer Unit 4 by the first ladder 11 being arranged thereon, after 4 energy-absorbing damping of Buffer Unit, then passes through
Buffer Unit 4 is by pressure transmission to cylinder body 1.In the process, Buffer Unit 4 is detached with cylinder cap 2 and nut assembly 10, buffering group
4 deformation retract of part.After acting on the pulling force or pressure releases of Buffer Unit 4, effect of the Buffer Unit 4 in selfer power
Under return back to reset condition.
The hitch buffer of the utility model embodiment is used for by being provided on cylinder body 1 compared with the existing technology
It is fixedly connected with the interface board 8 of run-through channel so that the hitch can be used as buffering accumulated energy unit with buffer, it may also be used for support
Train run-through channel need not support run-through channel by body frame structure for automotive or individually designed support construction, simple in structure, convenient for peace
Dress.
In addition, another embodiment of the utility model additionally provides a kind of rail vehicle comprising the hitch of above-described embodiment
Use buffer.The hitch buffer can be fixedly installed in the lower section of rail vehicle run-through channel.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of hitch buffer, which is characterized in that including gray iron, pull rod and Buffer Unit, the cylinder body and described
Cylinder cap is formed with the inner cavity for accommodating the Buffer Unit, and one end of the pull rod is located at the interior intracavitary, and the other end is located at
Outside the inner cavity, the pull rod passes through the Buffer Unit and the cylinder cap and is slidably connected on the cylinder cap, the cylinder body
On be provided with interface board for being fixedly connected with run-through channel.
2. hitch buffer according to claim 1, which is characterized in that be provided with multiple interfaces on the interface board
Hole, bolt pass through the interface holes to be fixedly connected with the interface board and the run-through channel.
3. hitch buffer according to claim 1, which is characterized in that the interface board and the cylinder body one at
Type.
4. hitch buffer according to claim 1, which is characterized in that one end of the pull rod is provided with nut group
Part, the pull rod are formed with the first ladder, the second ladder, the nut assembly, the cylinder cap, institute are formed on the inside of the cylinder body
The first ladder and second ladder are stated jointly limiting the Buffer Unit.
5. hitch buffer according to claim 4, which is characterized in that the nut assembly includes slotted nut, bullet
Property pad and baffle plate, one end of the pull rod is formed with third ladder, and the third ladder and the slotted nut form backstop
Slot, the cushion and the baffle plate are respectively positioned in the backstop slot, and the cushion is located at the slotted nut and described
Between baffle plate.
6. hitch buffer according to claim 5, which is characterized in that be formed with the first pin hole, institute on the pull rod
The corresponding position for stating slotted nut forms fluted, and split pin passes through first pin hole and groove for limiting the fluting spiral shell
It is female.
7. hitch buffer according to claim 1, which is characterized in that further include the sealing being located at outside the inner cavity
Cover, the seal closure, the cylinder cap and the pull rod are formed with seal chamber, and the seal chamber interior sealing has lubricant.
8. hitch buffer according to claim 7, which is characterized in that the seal closure by clip respectively with it is described
Cylinder cap and the pull rod are fixedly connected, and are both provided with to be caught in the snap-ring groove of the clip on the pull rod and the cylinder cap.
9. hitch buffer according to claim 1, which is characterized in that the cylinder cap is equipped with external screw thread, the cylinder body
Equipped with internal thread, the cylinder cap and the cylinder body are fixedly connected by the external screw thread and the internal thread, the cylinder body and institute
It states cylinder cap and is formed with the second pin hole, fixed pin passes through second pin hole to be rotated relative to the cylinder body for limiting the cylinder cap.
10. a kind of rail vehicle, which is characterized in that including hitch buffer described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721813250.2U CN208021474U (en) | 2017-12-22 | 2017-12-22 | Hitch buffer and rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721813250.2U CN208021474U (en) | 2017-12-22 | 2017-12-22 | Hitch buffer and rail vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208021474U true CN208021474U (en) | 2018-10-30 |
Family
ID=63897408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721813250.2U Active CN208021474U (en) | 2017-12-22 | 2017-12-22 | Hitch buffer and rail vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208021474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194036A (en) * | 2019-04-25 | 2019-09-03 | 镇江市营房塑电有限公司 | A kind of dust cover and preparation method thereof for coupler device |
-
2017
- 2017-12-22 CN CN201721813250.2U patent/CN208021474U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194036A (en) * | 2019-04-25 | 2019-09-03 | 镇江市营房塑电有限公司 | A kind of dust cover and preparation method thereof for coupler device |
| CN110194036B (en) * | 2019-04-25 | 2022-07-29 | 镇江市营房塑电有限公司 | Dust cover for car coupler device and preparation method thereof |
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| GR01 | Patent grant |