CN214331047U - Straight stroke cylinder with overspeed damping mechanism - Google Patents
Straight stroke cylinder with overspeed damping mechanism Download PDFInfo
- Publication number
- CN214331047U CN214331047U CN202022722587.0U CN202022722587U CN214331047U CN 214331047 U CN214331047 U CN 214331047U CN 202022722587 U CN202022722587 U CN 202022722587U CN 214331047 U CN214331047 U CN 214331047U
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- CN
- China
- Prior art keywords
- piston rod
- outer tube
- stroke cylinder
- guide ring
- straight stroke
- 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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- 238000013016 damping Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 230000004888 barrier function Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a straight stroke cylinder with hypervelocity damping mechanism, including outer tube, piston rod and be located the sealed protecgulum and the sealed back lid at outer tube both ends, the piston rod is located the inside one end of outer tube and is provided with piston piece and wear ring, the piston rod is located the outside one end of outer tube and is provided with solid fixed ring, gu fixed ring is connected with the guide ring through the dead lever. The utility model discloses in, driving motor drives gear revolve, the gear drives the horizontal pole through the meshing with the latch and moves on the horizontal direction, the horizontal pole drives guide ring synchronous motion, the speed that the guide ring removed equals the translation rate of piston rod initial set, make piston rod and guide ring synchronous motion, if piston rod translation rate is greater than initial set speed when, the translation rate of guide ring is unchangeable, play reverse barrier force to the piston rod, thereby prevent that the piston rod from speeding and removing, the steady operation of straight stroke cylinder has been guaranteed.
Description
Technical Field
The utility model relates to a straight stroke cylinder technical field especially relates to a straight stroke cylinder with hypervelocity damping mechanism.
Background
The straight stroke cylinder is a cylindrical metal part which guides a piston to perform linear reciprocating motion in the cylinder. Air converts thermal energy into mechanical energy by expansion in an engine cylinder; the gas is compressed by the piston in the cylinder of a compressor to increase the pressure, the housing of turbines, rotary piston engines and the like, also commonly referred to as "cylinder", the field of application of cylinders: printing (tension control), semiconductors (spot welding machines, chip grinding), automation control, robotics, etc.
The conventional straight stroke cylinder usually moves at a constant speed in the use process, and when the conventional straight stroke cylinder is influenced by an external force, the straight stroke cylinder is easy to overspeed, so that the normal use of the straight stroke cylinder is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that the straight stroke cylinder is easy to overspeed by external force, the straight stroke cylinder with the overspeed damping mechanism is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a straight stroke cylinder with hypervelocity damping mechanism, includes outer tube, piston rod and is located the sealed protecgulum and the sealed back lid at outer tube both ends, the piston rod is located the inside one end of outer tube and is provided with piston piece and wear ring, the piston rod is located the outside one end of outer tube and is provided with solid fixed ring, gu fixed ring is connected with the guide ring through the dead lever, the outer tube up end is provided with the damping rod that runs through the guide ring, one side of damping rod is provided with the spacing pipe of installing on the outer tube, fixedly connected with horizontal pole on the guide ring, the horizontal pole runs through spacing pipe and is located the part of spacing intraductal and is provided with the latch, the inside of spacing pipe is provided with driving motor, driving motor's output shaft cover is equipped with the gear of being connected with the latch meshing.
As a further description of the above technical solution:
the top inner surface wall of the limiting pipe is provided with a limiting groove, and the end part of the cross rod is provided with a sliding block in sliding fit with the limiting groove.
As a further description of the above technical solution:
the sealed front cover and the sealed rear cover are provided with air ports.
As a further description of the above technical solution:
the guide ring is in sliding fit with the damping rod.
As a further description of the above technical solution:
and a blocking piece is arranged on one side of the piston piece.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, driving motor drives gear revolve, the gear drives the horizontal pole through the meshing with the latch and moves on the horizontal direction, the horizontal pole drives guide ring synchronous motion, the speed that the guide ring removed equals the translation rate of piston rod initial set, make piston rod and guide ring synchronous motion, if piston rod translation rate is greater than initial set speed when, the translation rate of guide ring is unchangeable, play reverse barrier force to the piston rod, thereby prevent that the piston rod from speeding and removing, the steady operation of straight stroke cylinder has been guaranteed.
2. The utility model discloses in, through the setting of separation blade for when the piston piece removed extreme position, avoid piston piece and outer tube rigidity collision, play good guard action to the inside subassembly of stroke cylinder.
Drawings
Fig. 1 is a schematic front view of a straight stroke cylinder with an overspeed damping mechanism according to an embodiment of the present invention;
fig. 2 shows a schematic diagram of a front view internal structure of a straight stroke cylinder with an overspeed damping mechanism according to an embodiment of the present invention.
Illustration of the drawings:
1. an outer tube; 2. sealing the front cover; 3. sealing the rear cover; 4. a piston rod; 5. a piston plate; 6. a baffle plate; 7. a wear ring; 8. a fixing ring; 9. a damping lever; 10. a guide ring; 11. a cross bar; 12. clamping teeth; 13. a gear; 14. a drive motor; 15. a gas port; 16. a limiting groove; 17. a slider; 18. and a limiting pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a straight stroke cylinder with an overspeed damping mechanism comprises an outer tube 1, a piston rod 4, a front sealing cover 2 and a rear sealing cover 3, wherein the front sealing cover 2 and the rear sealing cover 3 are arranged at two ends of the outer tube 1, a piston sheet 5 and a wear-resisting ring 7 are arranged at one end of the piston rod 4, which is positioned inside the outer tube 1, a fixing ring 8 is arranged at one end of the piston rod 4, which is positioned outside the outer tube 1, the fixing ring 8 is fixedly connected with the piston rod 4, the fixing ring 8 is connected with a guide ring 10 through a fixing rod, a damping rod 9 penetrating through the guide ring 10 is arranged on the upper end face of the outer tube 1, a limiting tube 18 arranged on the outer tube 1 is arranged at one side of the damping rod 9, a cross rod 11 is fixedly connected on the guide ring 10, a part, which penetrates through the limiting tube 18 and is positioned inside the limiting tube 18, is provided with a latch 12, a driving motor 14 is arranged inside the limiting tube 18, a gear 13 meshed with the latch 12 is sleeved on an output shaft of the driving motor 14, the driving motor 14 drives the gear 13 to rotate, the gear 13 moves the cross bar 11 in the horizontal direction by engaging with the latch 12.
Specifically, as shown in fig. 2, the top inner surface wall of the limiting pipe 18 is provided with a limiting groove 16, the end of the cross rod 11 is provided with a sliding block 17 in sliding fit with the limiting groove 16, so that the cross rod 11 is fixed, the cross rod 11 is prevented from being deviated, and meanwhile, the sliding block 17 is in sliding fit with the limiting groove 16, so that the movement of the cross rod 11 is not hindered.
Specifically, as shown in fig. 2, the front and rear sealing caps 2 and 3 are provided with air ports 15, and air pressure is injected/discharged into/from the outer tube 1 through the air ports 15, thereby controlling the linear movement of the straight stroke cylinder.
Specifically, as shown in fig. 1, the guide ring 10 is slidably engaged with the damping rod 9, and the guide ring 10 is ensured to move in the horizontal direction.
Specifically, as shown in fig. 2, a blocking piece 6 is disposed on one side of the piston plate 5, so that when the piston plate 5 moves to the extreme position, the piston plate 5 is prevented from rigidly colliding with the outer tube 1.
The working principle is as follows: when the air pressure type linear guide piston is used, the piston sheet 5 is pushed to move through air pressure rushed into the air port 15, the piston sheet 5 moves to drive the piston rod 4 to linearly move, the drive motor 14 is started while the piston rod 4 moves, the drive motor 14 drives the gear 13 to rotate, the gear 13 drives the cross rod 11 to move in the horizontal direction through meshing with the latch 12, the cross rod 11 drives the guide ring 10 to synchronously move, the moving speed of the guide ring 10 is equal to the initially set moving speed of the piston rod 4, the piston rod 4 and the guide ring 10 synchronously move, if the moving speed of the piston rod 4 is greater than the initially set speed, the moving speed of the guide ring 10 is unchanged, reverse blocking force is exerted on the piston rod 4, the piston rod 4 is prevented from moving in an overspeed, and stable operation of a linear travel air cylinder is guaranteed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A straight stroke cylinder with an overspeed damping mechanism comprises an outer tube (1), a piston rod (4), a sealed front cover (2) and a sealed rear cover (3) which are positioned at two ends of the outer tube (1), wherein a piston sheet (5) and a wear-resisting ring (7) are arranged at one end of the piston rod (4) positioned in the outer tube (1), the straight stroke cylinder is characterized in that a fixing ring (8) is arranged at one end of the piston rod (4) positioned outside the outer tube (1), the fixing ring (8) is connected with a guide ring (10) through a fixing rod, a damping rod (9) penetrating through the guide ring (10) is arranged on the upper end face of the outer tube (1), a limiting tube (18) installed on the outer tube (1) is arranged on one side of the damping rod (9), a cross rod (11) is fixedly connected on the guide ring (10), the cross rod (11) penetrates through the limiting tube (18) and a part positioned in the limiting tube (18) is provided with a latch (12), the limiting pipe (18) is internally provided with a driving motor (14), and an output shaft of the driving motor (14) is sleeved with a gear (13) which is meshed with the latch (12).
2. The straight stroke cylinder with the overspeed damping mechanism as recited in claim 1, wherein the top inner surface wall of the limit tube (18) is provided with a limit groove (16), and the end of the cross bar (11) is provided with a slider (17) which is in sliding fit with the limit groove (16).
3. A straight stroke cylinder with an overspeed damping mechanism as set forth in claim 1 wherein said front and rear sealing covers (2, 3) are each provided with an air port (15).
4. A straight stroke cylinder with an overspeed damping mechanism as set forth in claim 1 wherein said guide ring (10) is in sliding engagement with the damping rod (9).
5. A straight stroke cylinder with an overspeed damping mechanism as set forth in claim 1 wherein said piston plate (5) is provided with a catch (6) on one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022722587.0U CN214331047U (en) | 2020-11-23 | 2020-11-23 | Straight stroke cylinder with overspeed damping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022722587.0U CN214331047U (en) | 2020-11-23 | 2020-11-23 | Straight stroke cylinder with overspeed damping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214331047U true CN214331047U (en) | 2021-10-01 |
Family
ID=77897406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022722587.0U Expired - Fee Related CN214331047U (en) | 2020-11-23 | 2020-11-23 | Straight stroke cylinder with overspeed damping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214331047U (en) |
-
2020
- 2020-11-23 CN CN202022722587.0U patent/CN214331047U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211001 |