CN211425809U - Foldable piston resetting device - Google Patents
Foldable piston resetting device Download PDFInfo
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- CN211425809U CN211425809U CN201922399566.7U CN201922399566U CN211425809U CN 211425809 U CN211425809 U CN 211425809U CN 201922399566 U CN201922399566 U CN 201922399566U CN 211425809 U CN211425809 U CN 211425809U
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- push rod
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- rod
- folding
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- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a folding piston resetting device, which comprises a rod body, a rotating connecting piece, a clamping mechanism and a propelling mechanism, wherein the rod body is formed by sequentially connecting a plurality of folding rods end to end; the rotary connecting piece comprises a groove piece and an insertion piece which are connected in a rotary mode; the clamping mechanism comprises a rotating sheet and an elastic piece, the elastic piece is connected with the rotating sheet, a bulge is arranged on the surface of the rotating sheet, an open slot is formed in the position, corresponding to the bulge, of the shell of the inserting piece, and the clamping mechanism further comprises a clamping slot which is formed in the position, where the groove piece is clamped with the bulge, of the shell of the inserting piece; the pushing mechanism comprises a first push rod and a second push rod which are connected in a mutually perpendicular mode, the second push rod is parallel to the folding rod, the other end of the second push rod is in sliding contact with the rotating sheet, and the other end of the first push rod extends out of the outer side of the folding rod. The device of the utility model is simple in structure, easily operation, mechanical properties is stable, can satisfy the piston demand that resets of different distances, and the practicality is strong.
Description
Technical Field
The utility model belongs to mediation apparatus field, concretely relates to folding piston resetting means.
Background
The test device for simulating the shock stress wave adopts the method that the piston impacts the baffle to generate the shock wave. After impact, the piston can stay at a certain position in the launching tube after impacting the baffle and cannot automatically return to the original position. Under the condition, the connection flange of the launching tube is usually disassembled, and the piston is pushed back to the original position in a manual mode, so that the next test can be carried out. This operation is time consuming and labor intensive, greatly impeding the testing process. And is limited by the special structure of the launching tube, and the piston cannot be reset from the observation hole by using a conventional tool, so that a device is urgently needed to solve the problem.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a folding piston resetting means.
Realize above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a foldable piston resetting device comprises a rod body formed by sequentially connecting a plurality of folding rods end to end, wherein two adjacent folding rods are connected through a rotating connecting piece, and the foldable piston resetting device also comprises a clamping mechanism and a propelling mechanism; the rotary connecting piece comprises a groove piece and an inserting piece which are connected in a rotary mode, and the inner cavity of the inserting piece is the same as that of the folding rod; the clamping mechanism comprises a rotating sheet and an elastic piece which are arranged in an inner cavity of the inserting piece, the elastic piece is connected with the rotating sheet, a bulge is arranged on the surface of the rotating sheet, an open slot is formed in the position, corresponding to the bulge, of a shell of the inserting piece, and a clamping slot is formed in the position, in which the slot piece and the bulge are clamped with each other, of the shell of the inserting piece; the pushing mechanism comprises a first push rod and a second push rod which are connected in a mutually perpendicular mode, the second push rod is parallel to the folding rod, the other end of the second push rod is in sliding contact with the rotating sheet, and the other end of the first push rod extends out of the outer side of the folding rod.
As a further improvement, the utility model is characterized in that one end of the rod body is also provided with a contact head which is made of rubber materials.
As a further improvement, the rotating piece is in an arc structure with one end contacted with the second push rod and the end of the corresponding second push rod is in a spherical shape.
As a further improvement of the present invention, the rotating piece is connected to the insert in a rotatable manner.
As a further improvement of the present invention, the maximum distance from the top of the protrusion to the open slot is smaller than the height of the spherical end of the second push rod, the diameter of the spherical end is equal to the height between the inner walls of the insert and below the parallel rotating pieces.
As a further improvement of the present invention, the height of the protrusion is smaller than the height of the inner cavity of the insert.
As a further improvement of the utility model, the surface of the folding rod is also provided with a strip-shaped through groove, and the first push rod is extended from the through groove.
As a further improvement of the utility model, including two parallel arrangement's second push rod, two central line between the second push rod is located on the plane of symmetry of rotor plate.
The utility model has the advantages that: adopt the utility model provides a folding piston resetting means need not to dismantle under the circumstances that launching tube flange and manual promotion piston reset, only needs through changing body of rod length, alright with in following the observation hole with the piston reset. The device is simple in structure, easy to operate, stable in mechanical property, capable of meeting the requirements of piston resetting at different distances, and high in practicability.
Drawings
FIG. 1 is a schematic structural diagram of the device of the present invention;
fig. 2 is a front view of the folding rod of the present invention;
fig. 3 is a cross-sectional view of the folding bar of the present invention;
wherein: 11. the automatic push-pull type push-pull rod comprises a rod body, 11-1, a folding rod, 12, a rotating connecting piece, 12-1, an inserting piece, 12-2, a groove piece, 12-3, a screw, 13, a pushing mechanism, 13-1, a first push rod, 13-2, a second push rod, 13-3, a spherical shape, 14, a contact head, 15, a through groove 16, a clamping mechanism, 16-1, a rotating sheet, 16-2, an elastic piece, 16-3, a clamping groove, 16-4 and a protrusion.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following description is made in detail for the application of the principles of the present invention with reference to the accompanying drawings.
The foldable piston resetting device comprises a rod body 11, a rotating connecting piece 12, a pushing mechanism 13 and a contact head 14, wherein the rod body 11 consists of a plurality of sections of folding rods 11-1, and two adjacent folding rods 11-1 are connected through the rotating connecting piece 12.
The rotary connecting piece 12 arranged at the tail part of the folding rod 11-1 and the head part of the next section of folding rod 11-1 comprises an inserting piece 12-1 and a groove piece 12-2 which are connected in a rotating mode, a groove used for inserting the inserting piece 12-1 is formed in the middle of the groove piece 12-2, and meanwhile the inserting piece 12-1 and the groove piece 12-2 are connected in a rotating mode through screws 12-3.
The rod body 11 needs to be maintained in a stable linear rod-like configuration when the device is used to inwardly reset the piston. The rotational connector 12 needs to be positioned with the insertion member 12-1 and the recess member 12-2 at both ends of the catching mechanism 16.
The clamping mechanism 16 is arranged in an inner cavity communicated with the insert 12-1 and the folding rod 11-1 and comprises a rotating sheet 16-1 and an elastic piece 16-2 which are mutually connected, and one end of the rotating sheet 16-1 is connected with the shell of the insert 12-1 and sequentially rotates as a rotating shaft. The elastic piece 16-2 is connected with the middle position of the rotating piece 16-1, and can limit the rotating piece 16-1 to move in a certain range. The surface of the rotating sheet 16-1 is provided with two upward protrusions 16-4, and the shell of the inserting piece 12-1 is provided with an open slot at the position corresponding to the protrusions. The upper surface of the groove piece 12-2 is provided with a clamping groove 16-3, and the clamping groove 16-3 is matched with the protrusion 16-4 on the rotating sheet 16-1 in shape. The two folding rods 11-1 are arranged on the same straight line by rotating, then the rotating sheet 16-1 rotates upwards under the action of external force until the protrusion 16-4 is exposed out of the insertion piece 12-1 and clamped with the clamping groove 16-3, the two folding rods 11-1 are fixed, and the length of the rod body 11 is increased.
The utility model adopts the propelling mechanism 13 as the external force for pushing the rotating sheet 16-1 to rotate upwards, and the propelling mechanism 13 is composed of a first push rod 13-1, two second push rods 13-2 and a spherical surface 13-3. The first push rod 13-1 and the second push rod 13-2 are mutually vertically connected with the second push rod 13-2 parallel to the folding rod, and the spherical surface 13-3 is sleeved at the other end of the second push rod 13-2. The first push rod 13-1 extends out of a strip-shaped through groove 15 arranged on the surface of the folding rod 11-1, and the static friction force between the first push rod 13-1 and the through groove 15 is larger than the elastic force when the elastic element is compressed to the shortest.
In order to facilitate pushing, the end of the rotating sheet 16-1 contacting the second push rod 13-2 is in an arc structure which is tilted upwards. When the second push rod 13-2 is removed, the rotating piece 16-1 rotates downwards under the restoring force of the elastic piece 16-2, and the protrusion 16-4 retracts into the inner cavity of the insertion piece 12-1.
It is also important to note in terms of structural size that the maximum distance from the top of the protrusion 16-4 to the open slot is less than the height of the end of the second putter sphere 13-3, and the diameter of the second putter sphere 13-3 is equal to the height between the inner wall of the lower insert 12-1 and the parallel rotation of the rotor 16-1. While the height of the protrusions 16-4 is less than the height of the cavity of the insert 12-1.
The utility model discloses an in an embodiment contact 14 is installed at body of rod 11 front end, prevents that the piston from reseing in-process launching tube inner wall fish tail, and contact 14 is rubber or plastics material, and body of rod 11 length increases, and contact 14 promotes the piston and removes in the launching tube, and the piston is accomplished and is reseed.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A foldable piston resetting device is characterized in that: the folding rod comprises a rod body formed by sequentially connecting a plurality of folding rods end to end, wherein two adjacent folding rods are connected through a rotating connecting piece, and the folding rod further comprises a clamping mechanism and a pushing mechanism;
the rotary connecting piece comprises a groove piece and an inserting piece which are connected in a rotary mode, and the inner cavity of the inserting piece is the same as that of the folding rod;
the clamping mechanism comprises a rotating sheet and an elastic piece which are arranged in an inner cavity of the inserting piece, the elastic piece is connected with the rotating sheet, a bulge is arranged on the surface of the rotating sheet, an open slot is formed in the position, corresponding to the bulge, of a shell of the inserting piece, and a clamping slot is formed in the position, in which the slot piece and the bulge are clamped with each other, of the shell of the inserting piece;
the pushing mechanism comprises a first push rod and a second push rod which are connected in a mutually perpendicular mode, the second push rod is parallel to the folding rod, the other end of the second push rod is in sliding contact with the rotating sheet, and the other end of the first push rod extends out of the outer side of the folding rod.
2. A collapsible piston return apparatus as set forth in claim 1 wherein: one end of the rod body is also provided with a contact head, and the contact head is made of rubber materials.
3. A collapsible piston return apparatus as set forth in claim 1 wherein: one end of the rotating sheet, which is in contact with the second push rod, is of an upward-tilting arc structure, and the end part of the corresponding second push rod is of a spherical surface shape.
4. A collapsible piston return apparatus as set forth in claim 3, wherein: one end of the rotating sheet, which is contacted with the second push rod, is rotatably connected with the inserting piece.
5. A collapsible piston return apparatus as set forth in claim 3, wherein: the maximum distance from the top of the protrusion to the opening groove is smaller than the height of the spherical end part of the second push rod, and the diameter of the spherical shape is equal to the height between the rotating sheet and the inner wall of the insert below the rotating sheet when the rotating sheet is parallel.
6. A collapsible piston return apparatus as set forth in claim 1 wherein: the height of the protrusion is less than the height of the insert cavity.
7. A collapsible piston return apparatus as set forth in claim 1 wherein: the surface of the folding rod is also provided with a strip-shaped through groove, and the first push rod extends out of the through groove.
8. A collapsible piston return apparatus as set forth in claim 1 wherein: the two second push rods are arranged in parallel, and a center line between the two second push rods is positioned on a symmetrical plane of the rotating sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922399566.7U CN211425809U (en) | 2019-12-27 | 2019-12-27 | Foldable piston resetting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922399566.7U CN211425809U (en) | 2019-12-27 | 2019-12-27 | Foldable piston resetting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211425809U true CN211425809U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922399566.7U Active CN211425809U (en) | 2019-12-27 | 2019-12-27 | Foldable piston resetting device |
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| Country | Link |
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| CN (1) | CN211425809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024354A (en) * | 2019-12-27 | 2020-04-17 | 中国人民解放军陆军工程大学 | Foldable piston resetting device |
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2019
- 2019-12-27 CN CN201922399566.7U patent/CN211425809U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024354A (en) * | 2019-12-27 | 2020-04-17 | 中国人民解放军陆军工程大学 | Foldable piston resetting device |
| CN111024354B (en) * | 2019-12-27 | 2024-05-24 | 中国人民解放军陆军工程大学 | Folding piston resetting means |
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| CB03 | Change of inventor or designer information |
Inventor after: Yue Songlin Inventor after: Zhang Zhongwei Inventor after: Tan Yizhong Inventor after: Qiu Yanyu Inventor after: Ma Linjian Inventor after: Jiang Haiming Inventor after: Zhang Bo Inventor after: Xu Tianhan Inventor after: Li Zhihao Inventor before: Yue Songlin Inventor before: Zhang Guokai Inventor before: Wang Zhen Inventor before: Zhang Zhongwei Inventor before: Liu Jiagui Inventor before: Tan Yizhong Inventor before: Liu Chenkang Inventor before: Ji Yuguo Inventor before: Qiu Yanyu Inventor before: Ma Linjian Inventor before: Jiang Haiming Inventor before: Zhang Bo Inventor before: Xu Tianhan Inventor before: Li Zhihao |
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| CB03 | Change of inventor or designer information |