CN204458635U - A kind of self-locking high temperature cylinder - Google Patents
A kind of self-locking high temperature cylinder Download PDFInfo
- Publication number
- CN204458635U CN204458635U CN201520088238.4U CN201520088238U CN204458635U CN 204458635 U CN204458635 U CN 204458635U CN 201520088238 U CN201520088238 U CN 201520088238U CN 204458635 U CN204458635 U CN 204458635U
- Authority
- CN
- China
- Prior art keywords
- cover
- inlet hole
- buffer stopper
- rear end
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to cylinder technical field, and particularly a kind of self-locking high temperature cylinder, comprises front cover, rear end cover, cylinder body, conduit, piston and pull bar, it is characterized in that: the inner side end of described rear end cover is provided with magnetic block; In the end face outside of described front cover, bolt is fixed with dust cover; The inner side end of described front cover and described rear end cover is all provided with buffer ring; One end of described conduit is connected with the sidewall bolt of described front cover by joint, and the other end of described conduit is connected with the sidewall bolt of described rear end cover by joint; Described piston is provided with breeches joint and buffer stopper, the utility model coordinates the buffer stopper be installed on piston to make the action of cylinder more steady by the buffer ring be installed on front cover and rear end cover, the impact produced in the action that cylinder contracts soon in F.F. is little, noise is little, has longer working life.
Description
Technical field
The utility model relates to cylinder technical field, particularly a kind of self-locking high temperature cylinder.
Background technique
Cylinder is as a kind of dynamical element, be widely used in various engineering machinery, because cylinder is using pressurized air as power source, therefore the residue source of the gas of the piston in the cylinder under high-temperature work environment in the situation lower cylinder resetted can expand because of long high temperature final change or position, therefore there is the cylinder with auto-lock function.
Self-locking cylinder of a great variety, spring and strong magnet is wherein utilized to realize the most extensive of the cylinder application of self-locking, but this kind of cylinder in piston reset stroke because the active force of spring or strong magnet can make piston head produce larger impact force to cylinder head, the self-locking cylinder of this class makes to produce larger vibration and noise in action, is therefore badly in need of a kind of low noise of stable operation in high temperature environments and the self-locking cylinder of vibration.
Model utility content
The purpose of this utility model is for the deficiencies in the prior art, provides noise little, the self-locking high-temperature cylinder of stable working.
For solving the problem, the utility model provides following technological scheme:
A kind of self-locking high temperature cylinder, comprises front cover, rear end cover, cylinder body, conduit, piston and pull bar; The inner side end of described rear end cover is provided with magnetic block; In the end face outside of described front cover, bolt is fixed with dust cover; The inner side end of described front cover and described rear end cover is all provided with buffer ring; One end of described conduit is connected with the sidewall bolt of described front cover by joint, and the other end of described conduit is connected with the sidewall bolt of described rear end cover by joint; Described piston is provided with breeches joint and buffer stopper.
Further, the central part of the inner side end of described rear end cover offers counterbore; The inner side end of described rear end cover offers the magnet mounting hole be uniformly distributed circumferentially; Described magnetic block is installed in described magnet mounting hole; The degree of depth of described magnet mounting hole is more than or equal to the height of described magnetic block; The central part of described front cover offers ladder-type through hole.
Further, the sidewall of described rear end cover starts have the first inlet hole, the second inlet hole and the 3rd inlet hole; The first described inlet hole is communicated with described counterbore, and the second described inlet hole is communicated with the 3rd described inlet hole; The sidewall of described front end starts there is the 4th inlet hole, the 4th described inlet hole is communicated with described ladder-type through hole; One end of described conduit is communicated with the inner space of described cylinder body by the 4th described inlet hole, and the other end of described conduit is communicated with the space outerpace of described cylinder body with the 3rd inlet hole by the second described inlet hole.
Further, described buffer stopper comprises front buffer stopper and rear buffer stopper; Described front buffer stopper and the buffer ring be installed on described front cover are slidably matched; Described rear buffer stopper and the buffer ring be installed on described rear end cover are slidably matched; The diameter of described front buffer stopper is less than the minimum diameter of described ladder-type through hole, is provided with buffer gap between described front buffer stopper and described dust cover; The diameter of described rear buffer stopper is less than the diameter of described counterbore, is provided with buffer gap between described rear buffer stopper and the bottom surface of described counterbore.
Further, described piston comprises piston rod and piston head; Described piston head is provided with wear-resistant strip and seal ring; One end of described piston rod is connected with described piston head; The other end of described piston rod extends to the outside of described cylinder body through described front cover and dust cover; Dust ring and slide guide copper sheathing are installed between described dust cover and described piston rod.
Beneficial effect: the utility model coordinates the buffer stopper be installed on piston to make the action of cylinder more steady by the buffer ring be installed on front cover and rear end cover, the impact produced in the action that cylinder contracts soon in F.F. is little, noise is little, has longer working life.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model;
Description of reference numerals: front cover 1, rear end cover 2, cylinder body 3, conduit 4, piston rod 5, piston head 6, dust cover 7, front buffer stopper 8, rear buffer stopper 9, buffer ring 10, wear-resistant strip 11, seal ring 12, breeches joint 13, air input joint 14, magnetic block 15, dust ring 16, slide guide copper sheathing 17.
Embodiment
Below in conjunction with Figure of description and embodiment, specific embodiment of the utility model is described in further detail:
With reference to a kind of self-locking high temperature cylinder shown in Fig. 1, comprise front cover 1, rear end cover 2, cylinder body 3, conduit 4, piston and pull bar; The inner side end of described rear end cover 2 is provided with magnetic block 15; In the end face outside of described front cover 1, bolt is fixed with dust cover 7; The inner side end of described front cover 1 and described rear end cover 2 is all provided with buffer ring 10; One end of described conduit 4 is connected with the sidewall bolt of described front cover 1 by air input joint 14, and the other end of described conduit 4 is connected with the sidewall bolt of described rear end cover 2 by air input joint 14; Described piston is provided with breeches joint 13 and buffer stopper.
The central part of the inner side end of described rear end cover 2 offers counterbore; The inner side end of described rear end cover 2 offers the magnet mounting hole be uniformly distributed circumferentially; Described magnetic block 15 is installed in described magnet mounting hole; The degree of depth of described magnet mounting hole is more than or equal to the height of described magnetic block 15; The central part of described front cover 1 offers ladder-type through hole.
The sidewall of described rear end cover 2 starts have the first inlet hole, the second inlet hole and the 3rd inlet hole; The first described inlet hole is communicated with described counterbore, and the second described inlet hole is communicated with the 3rd described inlet hole; The sidewall of described front end starts there is the 4th inlet hole, the 4th described inlet hole is communicated with described ladder-type through hole; One end of described conduit 4 is communicated with the inner space of described cylinder body 3 by the 4th described inlet hole, and the other end of described conduit 4 is communicated with the space outerpace of the 3rd inlet hole with described cylinder body 3 by the second described inlet hole.
Described buffer stopper comprises front buffer stopper 8 and rear buffer stopper 9; Described front buffer stopper 8 is slidably matched with the buffer ring 10 be installed on described front cover 1; Described rear buffer stopper 9 is slidably matched with the buffer ring 10 be installed on described rear end cover 2; The diameter of described front buffer stopper 8 is less than the minimum diameter of described ladder-type through hole, is provided with buffer gap between described front buffer stopper 8 and described dust cover 7; The diameter of described rear buffer stopper 9 is less than the diameter of described counterbore, is provided with buffer gap between described rear buffer stopper 9 and the bottom surface of described counterbore.
Described piston comprises piston rod 5 and piston head 6; Described piston head 6 is provided with wear-resistant strip 11 and seal ring 12; One end of described piston rod 5 is connected with described piston head 6; The other end of described piston rod 5 extends to the outside of described cylinder body 3 through described front cover 1 and dust cover 7; Dust ring 16 and slide guide copper sheathing 17 are installed between described dust cover 7 and described piston rod 5.
The utility model is mainly through being arranged on magnetic block 15 inside described rear end cover 2 to realize the auto-lock function after piston reset, coordinate the buffer ring 10 pairs of fast compression process of F.F. be installed on described front cover 1 and rear end cover 2 inner side end to cushion by the buffer stopper be installed on described piston, concrete buffering course is as follows:
When the first described inlet hole ventilation, described piston rod 5 ejects fast.When described piston head 6 is close to described front cover 1, described front buffer stopper 8 is slidably matched with the buffer ring 10 be installed on described front cover 1, the gas that part is not discharged in time is compressed in the ladder-type through hole of described front cover 1 central part, avoids producing larger impact between described piston head 6 and described front cover 1.Meanwhile, before described, be provided with buffer gap between buffer stopper 8 and described dust cover 7, therefore described front buffer stopper 8 can not be impaired because colliding.
When the second described inlet hole ventilation, described piston rod 5 snapback.When described piston head 6 solves described rear end cover 2, described rear buffer stopper 9 is slidably matched with the buffer ring 10 be installed on described rear end cover 2, compressed by rear buffer stopper 9 in the counterbore of the not timely gas of discharging of part on the interior edge face being arranged on rear end cover 2, avoid described piston head 6, with described rear end cover 2 support, larger impact occurs.Meanwhile, owing to being provided with buffer gap between described rear buffer stopper 9 and the bottom surface of described counterbore, therefore described rear buffer stopper 9 can not be impaired because colliding.
The above, it is only preferred embodiment of the present utility model, not any restriction is made to technical scope of the present utility model, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (5)
1. a self-locking high temperature cylinder, comprise front cover (1), rear end cover (2), cylinder body (3), conduit (4), piston and pull bar, it is characterized in that: the inner side end of described rear end cover (2) is provided with magnetic block (15); In the end face outside of described front cover (1), bolt is fixed with dust cover (7); Described front cover (1) and the inner side end of described rear end cover (2) are all provided with buffer ring (10); One end of described conduit (4) is connected with the sidewall bolt of described front cover (1) by air input joint (14), and the other end of described conduit (4) is connected with the sidewall bolt of described rear end cover (2) by air input joint (14); Described piston is provided with breeches joint (13) and buffer stopper.
2. a kind of self-locking high temperature cylinder according to claim 1, is characterized in that: the central part of the inner side end of described rear end cover (2) offers counterbore; The inner side end of described rear end cover (2) offers the magnet mounting hole be uniformly distributed circumferentially; Described magnetic block (15) is installed in described magnet mounting hole; The degree of depth of described magnet mounting hole is more than or equal to the height of described magnetic block (15); The central part of described front cover (1) offers ladder-type through hole.
3. a kind of self-locking high temperature cylinder according to claim 2, is characterized in that: the sidewall of described rear end cover (2) starts have the first inlet hole, the second inlet hole and the 3rd inlet hole; The first described inlet hole is communicated with described counterbore, and the second described inlet hole is communicated with the 3rd described inlet hole; The sidewall of described front end starts there is the 4th inlet hole, the 4th described inlet hole is communicated with described ladder-type through hole; One end of described conduit (4) is communicated with the inner space of described cylinder body (3) by the 4th described inlet hole, and the other end of described conduit (4) is communicated with the space outerpace of the 3rd inlet hole with described cylinder body (3) by the second described inlet hole.
4. a kind of self-locking high temperature cylinder according to claim 2, is characterized in that: described buffer stopper comprises front buffer stopper (8) and rear buffer stopper (9); Described front buffer stopper (8) and the buffer ring (10) be installed on described front cover (1) are slidably matched; Described rear buffer stopper (9) and the buffer ring (10) be installed on described rear end cover (2) are slidably matched; The diameter of described front buffer stopper (8) is less than the minimum diameter of described ladder-type through hole, is provided with buffer gap between described front buffer stopper (8) and described dust cover (7); The diameter of described rear buffer stopper (9) is less than the diameter of described counterbore, is provided with buffer gap between described rear buffer stopper (9) and the bottom surface of described counterbore.
5. a kind of self-locking high temperature cylinder according to claim 1, is characterized in that: described piston comprises piston rod (5) and piston head (6); Described piston head (6) is provided with wear-resistant strip (11) and seal ring (12); One end of described piston rod (5) is connected with described piston head (6); The other end of described piston rod (5) extends to the outside of described cylinder body (3) through described front cover (1) and dust cover (7); Dust ring (16) and slide guide copper sheathing (17) are installed between described dust cover (7) and described piston rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520088238.4U CN204458635U (en) | 2015-02-06 | 2015-02-06 | A kind of self-locking high temperature cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520088238.4U CN204458635U (en) | 2015-02-06 | 2015-02-06 | A kind of self-locking high temperature cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458635U true CN204458635U (en) | 2015-07-08 |
Family
ID=53665529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520088238.4U Expired - Fee Related CN204458635U (en) | 2015-02-06 | 2015-02-06 | A kind of self-locking high temperature cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204458635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173139A (en) * | 2019-06-28 | 2019-08-27 | 广西科技大学 | It is a kind of without evacuation stereo parking facility |
-
2015
- 2015-02-06 CN CN201520088238.4U patent/CN204458635U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173139A (en) * | 2019-06-28 | 2019-08-27 | 广西科技大学 | It is a kind of without evacuation stereo parking facility |
| CN110173139B (en) * | 2019-06-28 | 2024-01-26 | 广西科技大学 | Avoidance-free three-dimensional parking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |