CN202883551U - Air cylinder with locking device - Google Patents
Air cylinder with locking device Download PDFInfo
- Publication number
- CN202883551U CN202883551U CN 201220555645 CN201220555645U CN202883551U CN 202883551 U CN202883551 U CN 202883551U CN 201220555645 CN201220555645 CN 201220555645 CN 201220555645 U CN201220555645 U CN 201220555645U CN 202883551 U CN202883551 U CN 202883551U
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- CN
- China
- Prior art keywords
- cylinder
- fitting seat
- locking device
- locking
- latching ram
- 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 - Lifetime
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Abstract
The utility model relates to an air cylinder with a locking device, and aims to provide an air cylinder with a locking device. The air cylinder with the locking device comprises an air cylinder and a piston rod. A front cover is arranged at the front end of the air cylinder, a rear cover is arranged at the rear end of the air cylinder, an installation hole is formed in side face of the front cover or the rear cover, a circular groove is formed in the outer wall of the piston rod, an installation seat is arranged inside the installation hole, a locking piston capable of being controlled to slide manually is arranged inside the cavity of the installation seat, a compression spring is arranged between the locking piston and the installation seat, and the compression spring can push the locking piston to enable the bottom end of the locking piston to penetrate through the installation hole to be clamped in the circular groove of the piston rod. The air cylinder with the locking device has the advantages that the locking and the unlocking of the air cylinder can be achieved easily and conveniently, and meanwhile the air cylinder has the functions of dust prevention and unlocking indicating and warning, and is suitable for promotion and application.
Description
Technical field
The utility model relates to a kind of cylinder, particularly relates to a kind of cylinder with locking device.
Background technique
In the practical application of cylinder, often need to when being in end of travel, piston rod be locked, and it can not be moved, then carry out other operations; Behind the end of operation, need again the release piston rod, so just need to make cylinder have locking, unlocking function.
The model utility content
The purpose of this utility model is to provide a kind of cylinder that is provided with locking device at cylinder, to solve the problem that exists in the background technique.
To achieve these goals, the technological scheme that the utlity model has the cylinder of locking device is: a kind of cylinder with locking device, comprise the cylinder and piston bar, the front end of described cylinder is provided with protecgulum, the rear end of cylinder is provided with bonnet, the side of described protecgulum or bonnet is provided with mounting hole, described piston rod outer wall is provided with circular groove, be provided with fitting seat in the described mounting hole, but be provided with the latching ram that manual manipulation is slided in the cavity of fitting seat, be provided with Compress Spring between described latching ram and the fitting seat, described Compress Spring can promote latching ram makes its bottom pass in mounting hole and snap in the circular groove on the piston rod.This design philosophy with cylinder of locking device is: protecgulum or bonnet at cylinder install a locking structure additional, the concrete practice is: offer mounting hole at protecgulum or bonnet, be provided with fitting seat in the mounting hole, establish slidably latching ram in the fitting seat cavity, between fitting seat and latching ram, be provided with Compress Spring, this spring applies elastic force to latching ram, when cylinder piston rod is pushed to end of travel, circular groove on the piston rod is aimed at the latching ram head, spring will promote latching ram to be fallen in the circular groove its head to block, realized like this locking; And during release, have pneumatic and the manual unlocking dual mode.Pneumatic: be to inflate in the air chamber of latching ram place, air pressure is during greater than spring force, and the head of latching ram leaves circular groove, can realize release; Manually: the latching ram that manually moves up makes the head of latching ram leave circular groove and gets final product.
As preferably, be provided with sliding bearing between described latching ram and the mounting hole, the external diameter of this sliding bearing and mounting hole diameter are adaptive, and the internal diameter of described sliding bearing and the diameter of latching ram are adaptive.Sliding bearing provides the effect of lubricated guiding for moving up and down of latching ram, can effectively reduce frictional force simultaneously when lateral force resistance is provided.
As preferably, described latching ram be provided with bumper with the fitting seat opposing end surface.Bumper can reduce latching ram to the impact force of fitting seat.
As preferably, described fitting seat is provided with through hole, is provided with hand lever in the through hole, and this hand lever front end stretches in the cavity of fitting seat and is connected with latching ram.Such as the need manual unlocking, available hand pulls out hand lever and realizes release.
As preferably, the front end of described hand lever is screw rod, and the outboard end of described latching ram is provided with screw, and this screw is connected with the screw flight of hand lever front end.Hand lever and latching ram are for being threaded, and be simple and reliable.
As preferably, described fitting seat overcoat has slidably locking cap, the outboard end of described hand lever passes fitting seat and is connected with the inner side end of locking cap, described fitting seat outer wall is provided with the first flange, described locking cap inwall is provided with the second flange, and the internal diameter of the second flange is less than the external diameter of the first flange.On draw locking cap, drive the second flange and cross the first flange, and after the side's of being located thereon release, the first flange can stop that the second flange moves down voluntarily, avoid the head of latching ram to fall into locking in the circular groove.
As preferably, described locking cap and on the second flange by the moulding of plastic material integral production.This is intended to make the second flange to possess certain elasticity, and the second flange is subjected to resistance less when crossing the first flange.
As preferably, be provided with seal ring above the first flange and between the locking cap on the described fitting seat outer wall.This is intended to play by seal ring and prevents dust inletting device internal influence normal operation.
As preferably, hide when the downside of described fitting seat outer wall is provided with the cap that is locked and moves down, on the sign ring that exposes when moving.Indicate ring and play reminding effect, expose to indicate and encircle the expression released state, indicate the covered lock state that firmly represents of ring.
The beneficial effect that the utlity model has the cylinder of locking device is: can realize simply and easily locking and the release of cylinder, possess simultaneously function dustproof, that release indicates prompting.
Description of drawings
Fig. 1 is the structural representation that has the cylinder of locking device among the embodiment 1;
Fig. 2 is the enlarged diagram at A place among Fig. 1;
Fig. 3 is the perspective view that has the cylinder of locking device among the embodiment 1;
Fig. 4 is the perspective view that has the cylinder of locking device among the embodiment 2.
Number in the figure is respectively: 1 cylinder, 2. piston rods, 3. protecgulums, 4. bonnets, 5. sliding bearings, 6. seal rings, 7. back-up rings, 8. clasps, 9. fitting seats, 10. latching rams, 11. bumpers, 12. locking caps, 13. hand levers, 14. Compress Springs 15. indicate ring 16. circular grooves.
Embodiment
Also by reference to the accompanying drawings the technical solution of the utility model is further described specifically below by embodiment.
Embodiment 1:
A kind of cylinder with locking device, as shown in Figures 1 to 3, comprise cylinder 1 and piston rod 2, the front end of described cylinder 1 is provided with protecgulum 3, the rear end of cylinder 1 is provided with bonnet 4, the side of described protecgulum 3 is provided with mounting hole, it is descending stepped that the diameter of this mounting hole is from outside to inside, sliding bearing 5 is housed on step surface from the inside to the outside successively, seal ring 6, be used for blocking back-up ring 7 and the fitting seat 9 of seal ring 6, described fitting seat 9 is bolted with protecgulum 3, in described fitting seat 9 cavitys slidably latching ram 10 is housed, the internal diameter of the diameter of this latching ram 10 and seal ring 6, the internal diameter of the internal diameter of back-up ring 7 and sliding bearing 5 is all adaptive, on described latching ram 10 outer walls clasp 8 is housed, clasp 8 is used for blocking back-up ring 7, and the two-way interaction limits the distance of fall of latching ram 10, have diameter on the outside end face of described latching ram 10 and be from outside to inside descending stepped hole, the exterior edge face that comprises latching ram 10 always has three grades of steps, the hole of diameter minimum is screw, the bumper 11 that the first order and the card of the inwall between the step of the second level in the outside has ring-type.Described fitting seat 9 overcoats have slidably locking cap 12, locking cap 12 is plastic material, has integrated cylindrical shell on the inner side end of locking cap 12, have through hole on the end face of this cylindrical shell, hand lever 13 also is housed on fitting seat 9, the front end of this hand lever 13 is screw rod, the screw of the front end screw rod of this hand lever 13 by fitting seat 9 stretches in the cavity with the screw opened on latching ram 10 outside end faces and is connected, the outboard end of hand lever 13 has shade, hand lever 13 passes fitting seat 9, in the through hole on the shade embedding body end surface, described fitting seat 9 outer walls are provided with it integrated the first flange, described locking cap 12 inwalls are provided with the second flange, locking cap 12 and the second flange on it are made by plastic material is one-body molded, the internal diameter of the second flange is being provided with seal ring above the first flange and between the locking cap 12 less than the external diameter of the first flange on described fitting seat 9 outer walls.Hide when the downside of described fitting seat 9 outer walls is provided with the cap 12 that is locked and moves down, on the sign ring 15 that exposes when moving.
Have Compress Spring 14, the upper end of this Compress Spring 14 to withstand on the inner side end of fitting seat 9 at hand lever 13 cover, the lower end of described Compress Spring 14 withstands on the third level step in the latching ram 10.Front end has circular groove 16 on the outer wall of piston rod 2.
During use, be in cylinder rear gas chamber for gaseity, cylinder piston rod 2 is pushed to front end, and the circular groove 16 on piston rod 2 is aimed at latching ram 10 heads, Compress Spring 14 will promote latching ram 10 to be fallen in the circular groove 16 its head to block, so just realized locking; And during release, just in cylinder front end air chamber, inflate, air pressure is during greater than spring force, and the head of latching ram leaves circular groove, can realize release; Such as the need manual unlocking, then draw locking cap 12, just manually release on manually.
Embodiment 2:
A kind of cylinder with locking device, as shown in Figure 4, the difference among itself and the embodiment 1 is: locking device is positioned on the bonnet 4, correspondingly 16 medial extremitys of opening at piston rod 2 of circular groove.
Above-mentioned described specific embodiment only is that the preferable examples explanation is done in design of the present utility model.All any modifications of making within spirit of the present utility model and principle or replenish or be equal to alternatively all should be included within the protection domain of the utility model claim.
Claims (9)
1. cylinder with locking device, comprise cylinder (1) and piston rod (2), the front end of described cylinder (1) is provided with protecgulum (3), the rear end of cylinder (1) is provided with bonnet (4), it is characterized in that: the side of described protecgulum (3) or bonnet (4) is provided with mounting hole, described piston rod (2) outer wall is provided with circular groove, be provided with fitting seat (9) in the described mounting hole, fitting seat (9) but cavity in be provided with the latching ram (10) that manual manipulation is slided, be provided with Compress Spring (14) between described latching ram (10) and the fitting seat (9), described Compress Spring (14) can promote latching ram (10) makes its bottom pass in mounting hole and snap in the circular groove on the piston rod (2).
2. the cylinder with locking device according to claim 1, it is characterized in that: be provided with sliding bearing (5) between described latching ram (10) and the mounting hole, external diameter and the mounting hole diameter of this sliding bearing (5) are adaptive, and the diameter of the internal diameter of described sliding bearing (5) and latching ram (10) is adaptive.
3. the cylinder with locking device according to claim 1 and 2 is characterized in that: described latching ram (10) be provided with bumper (11) with fitting seat (9) opposing end surface.
4. the cylinder with locking device according to claim 1 and 2, it is characterized in that: described fitting seat (9) is provided with through hole, be provided with hand lever (13) in the through hole, this hand lever (13) front end stretches in the cavity of fitting seat (9) and is connected with latching ram (10).
5. the cylinder with locking device according to claim 4, it is characterized in that: the front end of described hand lever (13) is screw rod, and the outboard end of described latching ram (10) is provided with screw, and this screw is connected with the screw flight of hand lever (13) front end.
6. the cylinder with locking device according to claim 5, it is characterized in that: described fitting seat (9) overcoat has slidably locking cap (12), the outboard end of described hand lever (13) passes fitting seat (9) and is connected with the inner side end of locking cap (12), described fitting seat (9) outer wall is provided with the first flange, described locking cap inwall is provided with the second flange, and the internal diameter of the second flange is less than the external diameter of the first flange.
7. the cylinder with locking device according to claim 6 is characterized in that: described locking cap (12) and on the second flange by the moulding of plastic material integral production.
8. the cylinder with locking device according to claim 7 is characterized in that: be positioned on described fitting seat (9) outer wall between the top of the first flange and the locking cap (12) and be provided with seal ring.
9. according to claim 6 to 8 each described cylinders with locking device, it is characterized in that: the downside of described fitting seat (9) outer wall be provided with the cap that is locked (12) hide when moving down, on the sign ring (15) that exposes when moving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555645 CN202883551U (en) | 2012-10-29 | 2012-10-29 | Air cylinder with locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555645 CN202883551U (en) | 2012-10-29 | 2012-10-29 | Air cylinder with locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202883551U true CN202883551U (en) | 2013-04-17 |
Family
ID=48074984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220555645 Expired - Lifetime CN202883551U (en) | 2012-10-29 | 2012-10-29 | Air cylinder with locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202883551U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329316A (en) * | 2014-10-31 | 2015-02-04 | 罗斯（无锡）设备有限公司 | Safety locking mechanism |
| CN104454779A (en) * | 2014-10-13 | 2015-03-25 | 长沙迪普机械科技有限公司 | Linear actuator with locking mechanism |
| CN104475529A (en) * | 2014-12-04 | 2015-04-01 | 金丰（中国）机械工业有限公司 | Hydraulic locking device of die cushion of punching machine |
| CN107997227A (en) * | 2017-12-07 | 2018-05-08 | 湖北中烟工业有限责任公司 | A kind of tunnel type dries stalk machine reliable cylinder safety device |
| CN113294402A (en) * | 2021-06-23 | 2021-08-24 | 乐清市恒一气动有限公司 | Self-locking air cylinder |
-
2012
- 2012-10-29 CN CN 201220555645 patent/CN202883551U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454779A (en) * | 2014-10-13 | 2015-03-25 | 长沙迪普机械科技有限公司 | Linear actuator with locking mechanism |
| CN104454779B (en) * | 2014-10-13 | 2017-02-15 | 长沙迪普机械科技有限公司 | Linear actuator with locking mechanism |
| CN104329316A (en) * | 2014-10-31 | 2015-02-04 | 罗斯（无锡）设备有限公司 | Safety locking mechanism |
| CN104329316B (en) * | 2014-10-31 | 2016-08-17 | 罗斯（无锡）设备有限公司 | A kind of safety locking mechanism |
| CN104475529A (en) * | 2014-12-04 | 2015-04-01 | 金丰（中国）机械工业有限公司 | Hydraulic locking device of die cushion of punching machine |
| CN107997227A (en) * | 2017-12-07 | 2018-05-08 | 湖北中烟工业有限责任公司 | A kind of tunnel type dries stalk machine reliable cylinder safety device |
| CN113294402A (en) * | 2021-06-23 | 2021-08-24 | 乐清市恒一气动有限公司 | Self-locking air cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |