CN211039218U - Piston connection anti-loosening structure for hydraulic oil cylinder - Google Patents
Piston connection anti-loosening structure for hydraulic oil cylinder Download PDFInfo
- Publication number
- CN211039218U CN211039218U CN201921562942.3U CN201921562942U CN211039218U CN 211039218 U CN211039218 U CN 211039218U CN 201921562942 U CN201921562942 U CN 201921562942U CN 211039218 U CN211039218 U CN 211039218U
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- China
- Prior art keywords
- fixed
- piston
- plate
- bolt
- oil cylinder
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- 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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- 239000010720 hydraulic oil Substances 0.000 title claims description 12
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000002349 favourable effect Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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Abstract
The utility model discloses a piston connection anti loosening structure for hydraulic cylinder, including piston and spliced pole, the side of piston is fixed with the connecting plate, the installation cavity has been seted up to the side of connecting plate, the inside of installation cavity is equipped with limiting plate and stripper plate, opening and screw thread mouth have been seted up to the chamber wall of installation cavity, the inside threaded connection of screw thread mouth has the bolt, the draw-in groove has been seted up to the nut side of bolt, the side of connecting plate is fixed with the install bin, the inside of install bin is equipped with spring and movable block, the one end activity of install bin runs through there is the connecting rod, the one end of connecting rod is fixed with the fixture block. The utility model discloses make the pivoted degree of freedom of bolt obtain injecing to play good locking effect, be favorable to improving the stability of connecting between the hydraulic cylinder part, the dismouting of can being convenient for in addition, easy operation is favorable to improving maintainer's maintenance efficiency, has good practical meaning.
Description
Technical Field
The utility model relates to a hydraulic cylinder technical field especially relates to a piston connection anti loosening structure for hydraulic cylinder.
Background
The plug and the piston rod are the most basic components in the hydraulic oil cylinder, the hydraulic oil cylinder realizes the push-pull action of the piston rod through the reciprocating motion of the piston, and at present, the anti-loosening treatment of the threaded connection of the piston and the piston rod mainly adopts a set screw anti-loosening structure.
However, the fastening screw is loosened due to long-term movement, so that the connection stability between the hydraulic oil cylinder parts is poor, and in order to solve the problems, a piston connection anti-loosening structure for the hydraulic oil cylinder is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a piston connection anti-loosening structure for a hydraulic oil cylinder.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a piston connection anti loosening structure for hydraulic cylinder, includes piston and spliced pole, the side of piston is fixed with the connecting plate, the installation cavity has been seted up to the side of connecting plate, the inside of installation cavity is equipped with limiting plate and stripper plate, opening and screw thread mouth have been seted up to the chamber wall of installation cavity, the inside threaded connection of screw thread mouth has the bolt, the draw-in groove has been seted up to the nut side of bolt, the side of connecting plate is fixed with the install bin, the inside of install bin is equipped with spring and movable block, the one end activity of install bin runs through there is the connecting rod, the one end of connecting rod is fixed with the fixture block, the other end and the movable block of connecting rod are fixed mutually, fixture block and draw-in groove activity joint, the spliced pole runs through in the opening, and the.
Preferably, the number of the installation boxes and the number of the threaded openings are four, and the four installation boxes and the threaded openings are uniformly distributed around the opening.
Preferably, the extrusion plate is an annular plate, and the surface of the extrusion plate is a rough surface.
Preferably, the number of the clamping grooves is a plurality, and the clamping grooves are uniformly distributed on the side face of a nut of the bolt.
Preferably, one end of the spring is fixed to the inner bottom of the installation box, and the other end of the spring is fixed to the movable block.
Preferably, a sealing ring is fixed on the inner wall of the opening, and the sealing ring is a rubber ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in through setting up install bin, spring, movable block, connecting rod, fixture block and sealing washer for the pivoted degree of freedom of bolt obtains injecing, thereby plays good locking effect, is favorable to improving the stability of connecting between the hydraulic cylinder part.
2. The utility model discloses in through setting up connecting plate, installation cavity, limiting plate, opening, screw thread mouth, stripper plate, bolt and draw-in groove for this hydraulic cylinder's piston connection anti loosening structure dismouting of can being convenient for, easy operation is favorable to improving maintainer's maintenance efficiency.
To sum up, this a piston connection anti loosening structure for hydraulic cylinder for the pivoted degree of freedom of bolt obtains injecing, thereby plays good locking effect, is favorable to improving the stability of connecting between the hydraulic cylinder part, the dismouting of can being convenient for in addition, and easy operation is favorable to improving maintainer's maintenance efficiency, has good practical meaning.
Drawings
Fig. 1 is a schematic cross-sectional structural view of a piston connection anti-loosening structure for a hydraulic cylinder according to the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;
fig. 3 is the utility model provides a connecting plate structure sketch map for hydraulic cylinder's piston connection anti loosening structure.
In the figure: 1 piston, 2 spliced poles, 3 connecting plates, 4 installation cavities, 5 limiting plates, 6 openings, 7 threaded openings, 8 extrusion plates, 9 bolts, 10 clamping grooves, 11 installation boxes, 12 springs, 13 movable blocks, 14 connecting rods, 15 clamping blocks and 16 sealing rings.
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.
Referring to fig. 1-3, a piston connection anti-loosening structure for hydraulic cylinder, including piston 1 and spliced pole 2, the side of piston 1 is fixed with connecting plate 3, installation cavity 4 has been seted up to the side of connecting plate 3, the inside of installation cavity 4 is equipped with limiting plate 5 and stripper plate 8, opening 6 and screw thread mouth 7 have been seted up to the chamber wall of installation cavity 4, the inside threaded connection of screw thread mouth 7 has bolt 9, draw-in groove 10 has been seted up to the nut side of bolt 9, the side of connecting plate 3 is fixed with install bin 11, the inside of install bin 11 is equipped with spring 12 and movable block 13, the one end activity of install bin 11 runs through there is connecting rod 14, the one end of connecting rod 14 is fixed with fixture block 15, the other end and the movable block 13 of connecting rod 14 are fixed mutually, fixture block 15 and the activity joint of draw-in groove 10, spliced pole 2 runs through in opening.
Install bin 11 is four with the quantity of screw thread mouth 7, four install bins 11 and screw thread mouth 7 evenly distributed around opening 6, stripper plate 8 is the annular plate, the surface of stripper plate 8 is the rough surface, the quantity of draw-in groove 10 is a plurality of, a plurality of draw-in groove 10 evenly distributed on the nut side of bolt 9, the one end of spring 12 is fixed mutually with the interior bottom of install bin 11, the other end and the movable block 13 of spring 12 are fixed mutually, opening 6's inner wall is fixed with sealing washer 16, and sealing washer 16 is the rubber circle.
The working principle is as follows: limiting plate 5 to be fixed mutually with spliced pole 2 is located mounting chamber 4, then make bolt 9 rotate in screw thread mouth 7, make bolt 9 promote stripper plate 8 and take place the extrusion with limiting plate 5, thereby make limiting plate 5 can spacing fixed in mounting chamber 4, then movable block 13 promotes down through connecting rod 14 at the elasticity of spring 12 and makes fixture block 15 and draw-in groove 10 take place the joint, thereby restriction bolt 9's rotation, thereby be favorable to preventing not hard up, when needs are dismantled, break away from fixture block 15 and draw-in groove 10 mutually this moment and can resume bolt 9's rotation pivoted degree of freedom.
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 (6)
1. A piston connection anti-loosening structure for a hydraulic oil cylinder comprises a piston (1) and a connecting column (2), and is characterized in that a connecting plate (3) is fixed on the side face of the piston (1), a mounting cavity (4) is formed in the side face of the connecting plate (3), a limiting plate (5) and an extrusion plate (8) are arranged inside the mounting cavity (4), an opening (6) and a threaded opening (7) are formed in the cavity wall of the mounting cavity (4), a bolt (9) is connected to the inner thread of the threaded opening (7), a clamping groove (10) is formed in the nut side face of the bolt (9), a mounting box (11) is fixed on the side face of the connecting plate (3), a spring (12) and a movable block (13) are arranged inside the mounting box (11), a connecting rod (14) penetrates through one end of the mounting box (11) movably, and a clamping block (15) is fixed at one end of the connecting rod (14), the other end and the movable block (13) of connecting rod (14) are fixed mutually, fixture block (15) and draw-in groove (10) activity joint, spliced pole (2) run through in opening (6), and the tip and limiting plate (5) of spliced pole (2) are fixed mutually.
2. The piston connection anti-loosening structure for the hydraulic oil cylinder as claimed in claim 1, wherein the number of the installation boxes (11) and the threaded openings (7) is four, and the four installation boxes (11) and the threaded openings (7) are uniformly distributed around the opening (6).
3. The piston attachment looseness-prevention structure for a hydraulic cylinder according to claim 1, wherein said squeeze plate (8) is an annular plate, and a surface of said squeeze plate (8) is a rough surface.
4. The piston connection anti-loosening structure for the hydraulic oil cylinder as claimed in claim 1, wherein the number of the clamping grooves (10) is several, and the several clamping grooves (10) are uniformly distributed on the side surface of the nut of the bolt (9).
5. The piston connection anti-loosening structure for the hydraulic oil cylinder as claimed in claim 1, wherein one end of the spring (12) is fixed with the inner bottom of the mounting box (11), and the other end of the spring (12) is fixed with the movable block (13).
6. The piston connection anti-loosening structure for the hydraulic oil cylinder is characterized in that a sealing ring (16) is fixed on the inner wall of the opening (6), and the sealing ring (16) is a rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921562942.3U CN211039218U (en) | 2019-09-19 | 2019-09-19 | Piston connection anti-loosening structure for hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921562942.3U CN211039218U (en) | 2019-09-19 | 2019-09-19 | Piston connection anti-loosening structure for hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211039218U true CN211039218U (en) | 2020-07-17 |
Family
ID=71564112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921562942.3U Expired - Fee Related CN211039218U (en) | 2019-09-19 | 2019-09-19 | Piston connection anti-loosening structure for hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211039218U (en) |
-
2019
- 2019-09-19 CN CN201921562942.3U patent/CN211039218U/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: 20200717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |