CN204533529U - Automobile tailboard elevating ram sealing configuration - Google Patents
Automobile tailboard elevating ram sealing configuration Download PDFInfo
- Publication number
- CN204533529U CN204533529U CN201520200396.4U CN201520200396U CN204533529U CN 204533529 U CN204533529 U CN 204533529U CN 201520200396 U CN201520200396 U CN 201520200396U CN 204533529 U CN204533529 U CN 204533529U
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- CN
- China
- Prior art keywords
- sealing configuration
- guide sleeve
- piston rod
- cylinder barrel
- elevating ram
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Abstract
The utility model discloses a kind of automobile tailboard elevating ram sealing configuration, comprise cylinder barrel and to be arranged in cylinder barrel and to do the piston rod of axial back and forth movement, inner wall of cylinder is provided with mounting groove, the guide sleeve that several and piston rod external diameter match is provided with in mounting groove, sealing configuration is provided with, the back-up ring that sealing configuration comprises two rectangular in cross-section and the O shape circle be arranged between described back-up ring between adjacent guide sleeve.Sealing configuration is arranged inner wall of cylinder by the utility model, saves cost and the operation of processing and installation protecgulum, is that a kind of structure is simple, sealing is reliable, the sealing configuration of compact structure.
Description
Technical field
The utility model relates to a kind of auto parts and components, refers to a kind of automobile tailboard elevating ram sealing configuration particularly.
Background technique
The elevating ram of automobile tailboard mostly is plunger type, and it comprises cylinder barrel and to be sleeved in cylinder barrel and to do the piston rod of piston movement, and cylinder barrel is installed in protecgulum, protecgulum and inner wall of cylinder adopt seal with O ring, protecgulum endoporus establishes Sealing packed-piston bar again, and its complex structure, sealing effect is poor.
Summary of the invention
The purpose of this utility model is exactly the deficiency that will solve above-mentioned background technology, provides a kind of and seals automobile tailboard elevating ram sealing configuration that is reliable, compact structure.
The technical solution of the utility model is: a kind of automobile tailboard elevating ram sealing configuration, comprise cylinder barrel and to be arranged in cylinder barrel and to do the piston rod of axial back and forth movement, it is characterized in that: described inner wall of cylinder is provided with mounting groove, the guide sleeve that several and described piston rod external diameter match is provided with in described mounting groove, sealing configuration is provided with, the back-up ring that described sealing configuration comprises two rectangular in cross-section and the O shape circle be arranged between described back-up ring between adjacent guide sleeve.
Further, described mounting groove comprises bottom and is arranged on the sidepiece of two bottom sides, is provided with the positive stop lug boss that several are corresponding with described guide sleeve, is provided with the groove corresponding with described positive stop lug boss in the middle part of the outer wall of described guide sleeve bottom described mounting groove.
Further, described guide sleeve is provided with the otch be divided into two by described guide sleeve, and described guide sleeve inwall is provided with several vertically and crosses oil groove.
Further, downward opening mount inlet is provided with bottom described cylinder barrel, be provided with the dust ring mated with it in described mount inlet, the bottom of described dust ring extends to form lip downwards towards the turning of described piston rod, and described lip is overlapped on described piston rod.
A kind of automobile tailboard elevating ram sealing configuration of the present utility model, arranges inner wall of cylinder by sealing configuration, saves cost and the operation of processing and installation protecgulum, is that a kind of structure is simple, sealing is reliable, the sealing configuration of compact structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of guide sleeve in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to figure 1, a kind of automobile tailboard elevating ram sealing configuration of the present embodiment, comprises cylinder barrel 2 and to be arranged in cylinder barrel 2 and to do the piston rod 1 of axial back and forth movement.The present embodiment is provided with mounting groove 11 at cylinder barrel 2 inwall, mounting groove 11 comprises bottom and is arranged on the sidepiece of two bottom sides, the guide sleeve 3 that several and piston rod 1 external diameter match is provided with in mounting groove 11, sealing configuration is provided with, the back-up ring 4 that sealing configuration comprises two rectangular in cross-section and the O shape circle 5 be arranged between back-up ring 4 between adjacent guide sleeve 3.
Sealing configuration is arranged on cylinder barrel 2 inwall by the present embodiment, saves cost and the operation of processing and installation protecgulum, and relative to the sealing configuration of elevating ram in prior art, it has, and structure is simple, sealing is reliable, the feature of compact structure.
With reference to figure 2, several positive stop lug boss corresponding with guide sleeve 36 are provided with bottom the mounting groove 11 of the present embodiment, guide sleeve 3 outside being positioned at both sides leans the both sides sidepiece at mounting groove 11, the groove 7 corresponding with positive stop lug boss 6 is provided with in the middle part of the outer wall of guide sleeve 3, positive stop lug boss 6 enters in groove 7, to carry out spacing to guide sleeve 3.
With reference to figure 2, the guide sleeve 3 of the present embodiment is provided with the otch 8 be divided into two by guide sleeve 3, to facilitate the installation of guide sleeve 3, be provided with several vertically at guide sleeve 3 inwall and cross oil groove 9, cross in oil groove 9 and can lubricant oil be set, prevent piston rod 1 from doing piston rod 1 excessive wear in axial back and forth movement, increase the working life of piston rod 1.
In addition, downward opening mount inlet 13 is provided with bottom cylinder barrel 2, the dust ring 12 mated with it is provided with in mount inlet 13, the bottom of dust ring 12 extends to form lip 13 downwards towards the turning of piston rod 1, lip 13 is overlapped on piston rod 1, prevent dust and other impurities from entering between cylinder barrel 2 and piston rod 1, keep cleaning between cylinder barrel 2 and piston rod 1.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to structure of the present utility model.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (4)
1. an automobile tailboard elevating ram sealing configuration, comprise cylinder barrel (2) and to be arranged in cylinder barrel (2) and to do the piston rod (1) of axial back and forth movement, it is characterized in that: described cylinder barrel (2) inwall is provided with mounting groove (11), the guide sleeve (3) that several and described piston rod (1) external diameter match is provided with in described mounting groove (11), sealing configuration is provided with between adjacent guide sleeve (3), the back-up ring (4) that described sealing configuration comprises two rectangular in cross-section and O shape circle (5) be arranged between described back-up ring (4).
2. a kind of automobile tailboard elevating ram sealing configuration according to claim 1, it is characterized in that: described mounting groove (11) comprises bottom and is arranged on the sidepiece of two bottom sides, described mounting groove (11) bottom is provided with several positive stop lug boss (6) corresponding with described guide sleeve (3), is provided with the groove (7) corresponding with described positive stop lug boss (6) in the middle part of the outer wall of described guide sleeve (3).
3. a kind of automobile tailboard elevating ram sealing configuration according to claim 1 and 2, it is characterized in that: described guide sleeve (3) is provided with the otch (8) be divided into two by described guide sleeve (3), and described guide sleeve (3) inwall is provided with several vertically and crosses oil groove (9).
4. a kind of automobile tailboard elevating ram sealing configuration according to claim 1, it is characterized in that: described cylinder barrel (2) bottom is provided with downward opening mount inlet (13), the dust ring (12) mated with it is provided with in described mount inlet (13), the bottom of described dust ring (12) extends to form lip (13) downwards towards the turning of described piston rod (1), and described lip (13) is overlapped on described piston rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200396.4U CN204533529U (en) | 2015-04-03 | 2015-04-03 | Automobile tailboard elevating ram sealing configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200396.4U CN204533529U (en) | 2015-04-03 | 2015-04-03 | Automobile tailboard elevating ram sealing configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204533529U true CN204533529U (en) | 2015-08-05 |
Family
ID=53747538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520200396.4U Active CN204533529U (en) | 2015-04-03 | 2015-04-03 | Automobile tailboard elevating ram sealing configuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204533529U (en) |
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2015
- 2015-04-03 CN CN201520200396.4U patent/CN204533529U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |