CN207750431U - A kind of hydraulic buffer - Google Patents
A kind of hydraulic buffer Download PDFInfo
- Publication number
- CN207750431U CN207750431U CN201721926655.7U CN201721926655U CN207750431U CN 207750431 U CN207750431 U CN 207750431U CN 201721926655 U CN201721926655 U CN 201721926655U CN 207750431 U CN207750431 U CN 207750431U
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- mounting portion
- end mounting
- damper
- hydraulic buffer
- mounting blocks
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Abstract
The utility model discloses a kind of hydraulic buffers, it is related to rail vehicle field, it include the dust boot body being sheathed on outside damper, dust boot body includes for the pars contractilis with damper stretching motion and the mounting portion for being connected with damper shell, and mounting portion includes upper end mounting portion and lower end mounting portion, upper end mounting portion connects and fixes cooperation with damper shell；Lower end mounting portion is connected and fixed with damper outer casing screw.The upper end of dust cover is sheathed on outside damper shell and is connected and fixed by upper end mounting portion；And the lower end of dust cover is connected and fixed by lower end mounting portion and damper outer casing screw, to complete the connection of dust boot body and damper shell, compared to the fixed mode of rubber sleeve banding, fixed structure is more secured, it is not susceptible to loose phenomenon, to achieve the purpose that improve the stability that uses of dust boot body.
Description
Technical field
The utility model is related to rail vehicle fields, more particularly, to a kind of hydraulic buffer.
Background technology
Bogie is the important composition component of rail vehicle, has both carrying, traction, buffering, steering and braking function in one
Body, mainly include wheel to, axle box, single stage suspension, framework, secondary suspension, driving device and brake rigging.Single stage suspension
Also known as spring suspension includes mainly spring assembly and hydraulic buffer, and the effect of spring assembly is distribution load, is mitigated
The lateral runnability of rolling stock is impacted and improves, and hydraulic buffer is to do negative work using the viscosity resistance of liquid to absorb
Vibrational energy, to play the role of buffer shock-absorbing.
Existing Authorization Notice No. is the Chinese patent of CN2459209Y, and it discloses a kind of hydraulic pressure of motor vehicle damper is entirely close
Wear-resisting dust cover is sealed, includes bellows, iron set and Buddhist nun for reinforcing dust cover are inlaid in bellows
The top and bottom of imperial bushing, bellows are both provided with Air Filter air duct, and are arranged with rubber on two Air Filters
Set, i.e. rubber dust-proof Netcom cross the rubber sleeve bandings of upper and lower ends on the shell of damper, to complete to hydraulic pressure of motor vehicle
The fixation of the hermetically sealed wear-resisting dust cover of damper.
In actual use, the end of bellows by rubber sleeve banding on the shell of damper, rubber
Set itself is affected by, it may occur that the phenomenon that wearing and corroding；And when damper works, damper itself can be sent out
Raw vibration and deflection, the relative motion between rubber sleeve and bellows can aggravate the abrasion of rubber sleeve, rubber sleeve caused to damage
It is bad and can not banding dust cover, cause dust cover that can not play dust-proof effect, reduce the stability that dust cover uses, it is existing
Technology exists can improvements.
Utility model content
In view of the above technical problems, the purpose of this utility model is to provide a kind of hydraulic buffers, are reinforced by passing through
The connection of dust cover and damper shell, to achieve the purpose that improve the stability that uses of dust cover.
To achieve the above object, the utility model provides following technical solution：A kind of hydraulic buffer includes to be arranged
In the dust boot body outside damper, the dust boot body includes for the pars contractilis and use with damper stretching motion
In the mounting portion being connected with damper shell, and the mounting portion includes upper end mounting portion and lower end mounting portion, described
Upper end mounting portion connects and fixes cooperation with damper shell；The lower end mounting portion is connected and fixed with damper outer casing screw.
By using above-mentioned technical proposal, the upper end of dust cover be sheathed on outside damper shell by upper end mounting portion and with
Damper shell connects and fixes；And the lower end of dust cover is connected and fixed by lower end mounting portion and damper outer casing screw, to
Complete the connection of dust boot body and damper shell.The screw thread for connecting and fixing mode and dust cover lower end of dust cover upper end
Fixed form installs or removes convenient for user, has preferable practicability and replaces convenience；Meanwhile dust cover sheet
Clamping engagement and screw-thread fit of the body by upper end mounting portion, lower end mounting portion with damper shell are fixed, compared to rubber sleeve
The fixed mode of banding, fixed structure is more secured, is not susceptible to loose phenomenon, improves what dust boot body used to reach
The purpose of stability.
The utility model is further arranged to：The upper end mounting portion and lower end mounting portion are corresponded on damper shell
Upper end mounting blocks and lower end mounting blocks are provided with, and the upper end mounting blocks are engaged by clamping with upper end mounting portion and fix, under described
End mounting blocks are threadedly coupled fixation with lower end mounting portion.
The side of connecting and fixing for passing through upper end mounting portion and upper end mounting blocks by using above-mentioned technical proposal, dust boot body
Formula realizes that upper end connection, dust boot body realize that lower end connects by lower end mounting portion and the screw fixation method of lower single mounting blocks
It connects, i.e., dust boot body is not directly connected to damper shell, is conducive to the structural intergrity for keeping damper shell, to reach
To the purpose for keeping damper structure intensity.
The utility model is further arranged to：Cyclic annular clamping block, the upper end are coaxially arranged on the upper end mounting portion
Cyclic annular buckling groove is coaxially offered on mounting blocks, and the cyclic annular clamping block is engaged by clamping with cyclic annular buckling groove and fixes.
By using above-mentioned technical proposal, cyclic annular buckling groove that upper end mounting portion passes through cyclic annular clamping block and damper shell
It connects and fixes, to achieve the purpose that the upper end of fixed dust boot body, and cyclic annular clamping block is connected and fixed with cyclic annular buckling groove
The mode connection structure of cooperation is secured, is not susceptible to break-off.
The utility model is further arranged to：The upper end mounting portion is annular resilient structure, and the upper end mounting portion
It is interference fitted with upper end mounting blocks.
By using above-mentioned technical proposal, because upper end mounting portion is set as annular resilient structure, then upper end installation can be achieved
The interference fit in portion and damper shell, to reach the connective stability of the upper end and damper shell of improving dust boot body
Purpose.
The utility model is further arranged to：The upper end mounting portion upwardly extend be formed with for further consolidate it is dust-proof
The upper end extension of cover body, the upper end extension are annular resilient structure, and the upper end extension and upper end mounting blocks
Interference fit.
By using above-mentioned technical proposal, upper end extension sheet is as annular resilient structure, you can passes through upper end extension
The connective stability of the upper end and damper shell of dust boot body is further increased with the interference fit type of damper shell.
The utility model is further arranged to：It is provided on the surface that the upper end extension is in contact with upper end mounting blocks
Upper end rubber pad.
By using above-mentioned technical proposal, because the matching relationship of upper end extension and damper shell is interference fit, then
Upper end rubber pad plays the role of both protections；Meanwhile upper end rubber pad also functions to the effect for increasing frictional force between the two.
The utility model is further arranged to：The lower end mounting portion horizontal buckling is formed with the level for playing position-limiting action
Limiting plate, the Horizontal limiting plate is cyclic structure, and the lower face of the Horizontal limiting plate and lower end mounting blocks fits and sets
It sets.
By using above-mentioned technical proposal, when carrying out lower end mounting portion and the threaded connection of lower end mounting blocks is fixed, when
When the upper surface of Horizontal limiting plate fits with the lower face of lower end mounting blocks, that is, the lower end installation for completing dust boot body is made
Industry, Horizontal limiting plate play the role of limit, are not in the phenomenon that installation misplaces between lower end mounting portion and lower end mounting blocks.
The utility model is further arranged to：The Horizontal limiting plate be downwardly extending be useful for further consolidating it is dust-proof
The lower end extension of cover body, the lower end extension are annular resilient structure, and the lower end extension and damper shell
Interference fit.
By using above-mentioned technical proposal, lower end extension sheet is as annular resilient structure, you can passes through lower end extension
The connective stability of the lower end and damper shell of dust boot body is further increased with the interference fit type of damper shell.
The utility model is further arranged to：It is provided on the surface that the lower end extension is in contact with damper shell
Lower end rubber pad.
By using above-mentioned technical proposal, because the matching relationship of lower end extension and damper shell is interference fit, then
Lower end rubber pad plays the role of both protections；Meanwhile lower end rubber pad also functions to the effect for increasing frictional force between the two.
The utility model is further arranged to：The upper end mounting portion and lower end mounting portion respectively with corresponding pars contractilis
End be made of one piece.
By using above-mentioned technical proposal, integrally formed mode be conducive to improve upper end mounting portion and lower end mounting portion with
The bonding strength of pars contractilis connection, and then reach the overall construction intensity for improving dust boot body.
In conclusion the utility model has the advantages that：
One：The upper end of dust cover is fixed by upper end mounting portion and the clamping engagement of damper shell, i.e., cyclic annular clamping
The clamping engagement of slot and cyclic annular clamping block；The lower end of dust cover is solid by the threaded connection of lower end mounting portion and damper shell
It is fixed, to complete the connection of dust boot body and damper shell, clamping engagement and the fixed mode of screw-thread fit, it is convenient for
User replaces, and has preferable practicability and replaces convenience；
Secondly：Dust boot body is by the screw-thread fit of itself and damper shell and the fixation that is engaged by clamping, compared to rubber
The fixed mode of gum cover banding, fixed structure is more secured, is not susceptible to loose phenomenon, and upper end extension plays further surely
Gu the effect of dust boot body upper end connection, lower end extension plays the role of further consolidating the connection of dust boot body lower end,
To achieve the purpose that improve the stability that uses of dust boot body.
Description of the drawings
Fig. 1 is a kind of general structure schematic diagram of hydraulic buffer；
Fig. 2 is the shell mechanism schematic diagram of hydraulic buffer；
Fig. 3 is the general structure schematic diagram of dust boot body；
Fig. 4 is the diagrammatic cross-section of dust boot body.
Reference numeral：1, dust boot body；2, pars contractilis；3, mounting portion；31, upper end mounting portion；311, upper end extension；
312, upper end rubber pad；313, cyclic annular clamping block；32, lower end mounting portion；321, lower end extension；322, lower end rubber pad；
323, Horizontal limiting plate；4, damper shell；41, upper end mounting blocks；411, cyclic annular buckling groove；42, lower end mounting blocks.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of hydraulic buffer, includes the dust boot body 1 being sheathed on outside damper, dust boot body
1 includes for the pars contractilis 2 with damper stretching motion and the mounting portion 3 for being connected with damper shell 4, and peace
Dress portion 3 includes upper end mounting portion 31 and lower end mounting portion 32, upper end mounting portion 31 and lower end mounting portion 32 respectively with relatively
The end for the pars contractilis 2 answered is made of one piece.Upper end mounting portion 31 is engaged by clamping with damper shell 4 and fixes, lower end installation
Portion 32 is threadedly coupled fixation with damper shell 4, to complete being connected and fixed for dust boot body 1 and damper shell 4.
It is opposite on above-mentioned damper shell 4 in conjunction with shown in Fig. 1 and Fig. 2 in order not to destroy the integrality of damper shell 4
Should upper end mounting portion 31 and lower end mounting portion 32 be provided with upper end mounting blocks 41 and lower end mounting blocks 42,41 He of upper end mounting blocks
Lower end mounting blocks 42 are cyclic structure and are made of one piece with damper shell 4, and upper end mounting blocks 41 are installed with upper end
Portion 31, which is engaged by clamping, to be fixed, and lower end mounting blocks 42 are threadedly coupled fixation with lower end mounting portion 32, and dust cover is being realized to reach
1 both ends of ontology do not reduce the purpose of the structural strength of damper shell 4 while being connected with damper shell 4.
As shown in figure 3, being coaxially arranged with cyclic annular clamping block 313, in conjunction with shown in Fig. 2, upper end on above-mentioned upper end mounting portion 31
Cyclic annular buckling groove 411 is coaxially offered on mounting blocks 41, and cyclic annular clamping block 313 is engaged by clamping with cyclic annular buckling groove 411 and fixes；
And upper end mounting portion 31 is annular resilient structure, then upper end mounting portion 31 is interference fitted with upper end mounting blocks 41, anti-to complete
The upper end of boot body 1 is connected and fixed with damper shell 4.
In order to further increase dust boot body 1 upper end and damper shell 4 stable connection, in conjunction with Fig. 3 and Fig. 4
Shown, above-mentioned upper end mounting portion 31, which upwardly extends, is formed with upper end extension 311, and upper end extension 311 is annular resilient structure
And be interference fitted with upper end mounting blocks 41, and be provided on the surface that is in contact with upper end mounting blocks 41 of upper end extension 311
Hold rubber pad 312.
When carrying out lower end mounting portion 32 and the threaded connection of lower end mounting blocks 42 is fixed, in conjunction with shown in Fig. 2 and Fig. 4, it is
Prevent occurring the phenomenon that installation dislocation between the two, above-mentioned 32 horizontal buckling of lower end mounting portion is formed with plays position-limiting action
Horizontal limiting plate 323, Horizontal limiting plate 323 are cyclic structure, and when the spiral shell for completing lower end mounting portion 323 and lower end mounting blocks 42
When line is connected and fixed, the upper surface and the lower face of lower end mounting blocks 42 of Horizontal limiting plate 323 fit.In order to not influence lower end
The threaded connection of mounting portion 32 and lower end mounting blocks 42, then while cyclic annular buckling groove 411 is engaged by clamping with cyclic annular clamping block 313
It is rotatably assorted.
In order to further increase dust boot body 1 lower end and damper shell 4 stable connection, in conjunction with Fig. 1 and Fig. 4
Shown, above-mentioned Horizontal limiting plate 323 has been downwardly extending lower end extension 321, and lower end extension 321 is annular resilient structure
And be interference fitted with damper shell 4, and it is provided with lower end on the surface that is in contact with damper shell 4 of lower end extension 321
Rubber pad 322.
The utility model is further elaborated with reference to specific action：
When needing to install dust boot body 1, first by dust boot body 1 be sheathed on from the bottom to top damper shell 4 it is outer with
Make the cyclic annular clamping block 313 of upper end mounting portion 31 be engaged by clamping with the cyclic annular buckling groove 411 on upper end mounting blocks 41 to fix, and
It during this, needs to rotate dust boot body 1, so that lower end mounting portion 32 is threadedly coupled cooperation with lower end mounting blocks 42 until water
Until the upper surface of flat limiting plate 323 is connected to the lower face of lower end mounting blocks 42, the installation to complete dust boot body 1 is made
Industry；
When needing replacing or dismantling dust boot body 1, dust boot body 1 is first rotated backward, until releasing lower end installation
Until threaded connection between portion 32 and lower end mounting blocks 42, dust boot body 1 is pushed still further below, so that cyclic annular clamping block 313
It is separated with cyclic annular buckling groove 411, to remove dust boot body 1, completes replacement or the dismounting operation of dust boot body 1.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (10)
1. a kind of hydraulic buffer includes the dust boot body being sheathed on outside damper（1）, it is characterised in that：It is described dust-proof
Cover body（1）Include for the pars contractilis with damper stretching motion（2）And it is used for and damper shell（4）It is connected
Mounting portion（3）, and the mounting portion（3）It include upper end mounting portion（31）And lower end mounting portion（32）, the upper end installation
Portion（31）With damper shell（4）Connect and fix cooperation；The lower end mounting portion（32）With damper shell（4）It is threadedly coupled solid
It is fixed.
2. a kind of hydraulic buffer according to claim 1, it is characterised in that：Damper shell（4）On correspond to institute
State upper end mounting portion（31）With lower end mounting portion（32）It is provided with upper end mounting blocks（41）With lower end mounting blocks（42）, and it is described on
Hold mounting blocks（41）With upper end mounting portion（31）It is engaged by clamping and fixes, the lower end mounting blocks（42）With lower end mounting portion（32）Spiral shell
Line is connected and fixed.
3. a kind of hydraulic buffer according to claim 2, it is characterised in that：The upper end mounting portion（31）On coaxially set
It is equipped with cyclic annular clamping block（313）, the upper end mounting blocks（41）On coaxially offer cyclic annular buckling groove（411）, and the ring-type
Clamping block（313）With cyclic annular buckling groove（411）It is engaged by clamping and fixes.
4. a kind of hydraulic buffer according to claim 3, it is characterised in that：The upper end mounting portion（31）For cyclic annular bullet
Property structure, and the upper end mounting portion（31）With upper end mounting blocks（41）Interference fit.
5. a kind of hydraulic buffer according to claim 4, it is characterised in that：The upper end mounting portion（31）It upwardly extends
It is formed with for further consolidating dust boot body（1）Upper end extension（311）, the upper end extension（311）For ring-type
Elastic construction, and the upper end extension（311）With upper end mounting blocks（41）Interference fit.
6. a kind of hydraulic buffer according to claim 5, it is characterised in that：The upper end extension（311）With upper end
Mounting blocks（41）Upper end rubber pad is provided on the surface being in contact（312）.
7. a kind of hydraulic buffer according to claim 2, it is characterised in that：The lower end mounting portion（32）Horizontal buckling
It is formed with the Horizontal limiting plate for playing position-limiting action（323）, the Horizontal limiting plate（323）For cyclic structure, and the level
Limiting plate（323）With lower end mounting blocks（42）Lower face be fitted.
8. a kind of hydraulic buffer according to claim 7, it is characterised in that：The Horizontal limiting plate（323）To downward
It stretches and is formed with for further consolidating dust boot body（1）Lower end extension（321）, the lower end extension（321）For ring
Shape elastic construction, and the lower end extension（321）With damper shell（4）Interference fit.
9. a kind of hydraulic buffer according to claim 8, it is characterised in that：The lower end extension（321）With vibration damping
Device shell（4）Lower end rubber pad is provided on the surface being in contact（322）.
10. a kind of hydraulic buffer according to claim 1, it is characterised in that：The upper end mounting portion（31）The lower end and
Mounting portion（32）Respectively with corresponding pars contractilis（2）End be made of one piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721926655.7U CN207750431U (en) | 2017-12-30 | 2017-12-30 | A kind of hydraulic buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721926655.7U CN207750431U (en) | 2017-12-30 | 2017-12-30 | A kind of hydraulic buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750431U true CN207750431U (en) | 2018-08-21 |
Family
ID=63152168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721926655.7U Active CN207750431U (en) | 2017-12-30 | 2017-12-30 | A kind of hydraulic buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207750431U (en) |
-
2017
- 2017-12-30 CN CN201721926655.7U patent/CN207750431U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 226103 No. 508, Oujiang Middle Road, Binjiang street, Haimen District, Nantong City, Jiangsu Province Patentee after: Nantong Hongda rail transit Parts Co.,Ltd. Address before: Room C, No.33 factory building, Wanzhong Industrial Park, Haimen town, Haimen City, Nantong City, Jiangsu Province, 226103 Patentee before: HAIMEN HONGDA RAILWAY LOCOMOTIVE PARTS Co.,Ltd. |
|
| CP03 | Change of name, title or address |