CN214533792U - Multiple buffering plunger jar - Google Patents
Multiple buffering plunger jar Download PDFInfo
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- CN214533792U CN214533792U CN202120326523.0U CN202120326523U CN214533792U CN 214533792 U CN214533792 U CN 214533792U CN 202120326523 U CN202120326523 U CN 202120326523U CN 214533792 U CN214533792 U CN 214533792U
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Abstract
The utility model belongs to the technical field of the hydro-cylinder technique and specifically relates to a multiple buffering plunger cylinder. The utility model provides a following technical scheme: the utility model provides a multiple buffering plunger jar, including hollow cylinder body and the piston rod that sets up in the cylinder body and reciprocating telescopic movement, the one end of cylinder body is equipped with the cylinder cap, the cylinder cap corresponds the piston rod and is equipped with the guiding hole, be equipped with in the guiding hole with the sealed sealing washer of piston rod cooperation, be equipped with on the piston rod with the sealed piston of cylinder body inner wall cooperation, be equipped with the sealing member on the piston, be equipped with multiple sealing ring along the axial in the cavity of cylinder body, the equidistance sets up respectively between the sealing ring, distance between the adjacent sealing ring is no longer than the length of piston, the other end of relative cylinder cap is equipped with first blotter and second cushion chamber in the cylinder body, the second cushion chamber is a recess, and the piston corresponds the second cushion chamber and is equipped with the cushion column, first blotter sets up on the terminal surface that the piston corresponds the cushion column. The utility model discloses sealed tight, buffer function is strong.
Description
Technical Field
The utility model belongs to the technical field of the hydro-cylinder technique and specifically relates to a multiple buffering plunger cylinder.
Background
The plunger type cylinder is a structural form of a hydraulic cylinder, and the reciprocating movement of a piston rod is realized through oil in the plunger type cylinder. When the plunger cylinder moves, the plunger cylinder is guided by the guide sleeve on the cylinder cover, so that the inner wall of the cylinder barrel does not need to be finished.
The sealing of the oil in the plunger cylinder is realized mainly by the matching of the piston, but the sealing of the piston can fail when the pressure of the oil is overlarge, so that the oil is leaked; and when the piston is influenced by the counterforce of the oil liquid in the moving process, the buffering effect is poor.
Disclosure of Invention
To the problem that exists among the prior art, the utility model provides a sealed tight, multiple buffering plunger jar that buffer function is strong.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a multiple buffering plunger jar, includes hollow cylinder body and sets up in the cylinder body and reciprocating telescopic movement's piston rod, the one end of cylinder body is equipped with the cylinder cap, the cylinder cap corresponds the piston rod and is equipped with the guiding hole, be equipped with the sealing washer sealed with the piston rod cooperation in the guiding hole, be equipped with the piston sealed with the cylinder body inner wall cooperation on the piston rod, be equipped with the sealing member on the piston, be equipped with multiple sealing ring along the axial in the cavity of cylinder body, equidistance setting respectively between the sealing ring, the distance between the adjacent sealing ring is no longer than the length of piston, the other end relative to the cylinder cap is equipped with first blotter and second cushion chamber in the cylinder body, the second cushion chamber is a recess, and the piston corresponds the second cushion chamber and is equipped with the cushion column, first blotter setting is on the terminal surface that the piston corresponds the cushion column.
Adopt above-mentioned technical scheme, the setting of the multiple sealing ring in the cylinder body, each heavy sealing ring can move the in-process at the piston rod and cooperate with the piston respectively, and guarantee to have at least one sealing ring and piston to keep coordinating, play the sealed effect between messenger's piston and the cylinder body, and it is sealed tight, be difficult for being washed out and the oil leak by inside fluid, wherein first blotter sets up to the fluid effort that the piston received in the removal process, provide cushioning effect, and the setting of cushion column can cooperate with the second cushion chamber, and fluid in the second cushion chamber can provide certain cushioning effect when the cushion column stretches into the second cushion chamber, avoid piston rod and cylinder body to take place the striking, reinforcing buffer function.
Further, the sealing ring includes individual layer sealing washer and multilayer sealing washer respectively, the individual layer sealing washer has one deck seal lip, the multilayer sealing washer has two-layer or more than two-layer seal lip.
By adopting the technical scheme, the sealing performance of the sealing ring is improved and leakage is avoided by matching the single-layer sealing ring with the multi-layer sealing ring.
Further, it is equipped with the mounting ring groove to correspond individual layer sealing washer and multilayer sealing washer on the inner wall of cylinder body respectively, individual layer sealing washer and multilayer sealing washer correspond the mounting ring groove and are equipped with the installation foot, the shape and the installation foot adaptation of mounting ring groove.
By adopting the technical scheme, the matching of the mounting ring groove and the mounting feet is arranged, so that the single-layer sealing ring and the multi-layer sealing ring are mounted on the inner wall of the cylinder body, and the mounting is more stable.
Furthermore, a base is arranged on the cylinder body.
Adopt above-mentioned technical scheme, the stability that the cylinder body was placed can be promoted in the setting of base to take place to rock when avoiding the plunger cylinder to use.
Furthermore, a plurality of connecting holes are formed in two sides of the base.
Adopt above-mentioned technical scheme, set up the accessible connecting hole like this and fix the base installation, further avoid rocking in the plunger cylinder use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an axial sectional view of the present invention.
Fig. 3 is a schematic structural view of the cylinder body.
Detailed Description
The following will further describe the embodiments of the present invention with reference to the drawings and examples.
The multiple buffering plunger cylinder shown in fig. 1-3 comprises a hollow cylinder body 1 and a piston rod 2 which is arranged in the cylinder body 1 and can move in a reciprocating and telescopic manner, wherein a cylinder cover 3 is arranged at one end of the cylinder body 1, a guide hole 31 is arranged in the cylinder cover 3 corresponding to the piston rod 2, a sealing ring 4 which is matched and sealed with the piston rod 2 is arranged in the guide hole 31, a piston 21 which is matched and sealed with the inner wall of the cylinder body 1 is arranged on the piston rod 2, a sealing element 5 is arranged on the piston 21, multiple sealing rings 6 are arranged in a cavity of the cylinder body 1 along the axial direction, the sealing rings 6 are respectively arranged at equal intervals, the distance between the adjacent sealing rings 6 is not more than the length of the piston 21, a first buffering cushion 7 and a second buffering cavity 8 are arranged at the other end of the cylinder body 1 corresponding to the cylinder cover 3, the second buffering cavity 8 is a groove, and the piston 21 is provided with a buffering column 9 corresponding to the second buffering cavity 8, the first cushion pad 7 is disposed on the end surface of the piston 21 corresponding to the cushion post 9. The arrangement of multiple sealing rings 6 in the cylinder body 1, each heavy sealing ring 6 can be respectively matched with the piston 21 in the moving process of the piston rod 2, and at least one sealing ring 6 is ensured to be matched with the piston 21, so that the sealing effect between the piston 21 and the cylinder body 1 is realized, the sealing is tight, and the heavy sealing rings are not easy to be flushed away by internal oil liquid and leak oil, wherein the first buffer cushion 7 is arranged aiming at the oil liquid acting force applied to the piston 21 in the moving process to provide a buffering effect, the arrangement of the buffer column 9 can be matched with the second buffer cavity 8, and the oil liquid in the second buffer cavity 8 can provide a certain buffering effect when the buffer column 9 extends into the second buffer cavity 8, so that the collision between the piston rod 2 and the cylinder body 1 is avoided, and the buffering function is enhanced.
The sealing ring 6 comprises a single-layer sealing ring 61 and a multi-layer sealing ring 62 respectively, the single-layer sealing ring 61 is a sealing lip 63, and the multi-layer sealing ring 62 is a sealing lip 63 with two or more layers. The sealing performance of the sealing ring 6 is improved and leakage is avoided by matching the single-layer sealing ring 61 and the multi-layer sealing ring 62.
Correspond individual layer sealing washer 61 and multilayer sealing washer 62 respectively on the inner wall of cylinder body 1 and be equipped with installation annular 10, individual layer sealing washer 61 and multilayer sealing washer 62 correspond installation annular 10 and are equipped with installation foot 11, the shape and the 11 adaptations of installation foot of installation annular 10. The arrangement can ensure that the single-layer sealing ring 61 and the multi-layer sealing ring 62 are arranged on the inner wall of the cylinder body 1 through the matching of the mounting ring groove 10 and the mounting foot 11, and the mounting is more stable.
The cylinder body 1 is provided with a base 12. The setting of base 12 can promote the stability that cylinder body 1 placed to take place to rock when avoiding the plunger cylinder to use.
And a plurality of connecting holes 13 are formed in two sides of the base 12. The base 12 can be fixedly installed through the connecting holes 13, and shaking of the plunger cylinder in the using process is further avoided.
Claims (5)
1. The utility model provides a multiple buffering plunger jar, includes hollow cylinder body and sets up in the cylinder body and reciprocating telescopic movement's piston rod, the one end of cylinder body is equipped with the cylinder cap, the cylinder cap corresponds the piston rod and is equipped with the guiding hole, be equipped with the sealing washer sealed with the piston rod cooperation in the guiding hole, be equipped with the piston sealed with the cylinder body inner wall cooperation on the piston rod, be equipped with sealing member, its characterized in that on the piston: be equipped with multiple sealing ring along the axial in the cavity of cylinder body, the equidistance sets up respectively between the sealing ring, and the distance between the adjacent sealing ring is no longer than the length of piston, the other end of relative cylinder cap is equipped with first blotter and second cushion chamber in the cylinder body, the second cushion chamber is a recess, and the piston corresponds the second cushion chamber and is equipped with the bumping post, first blotter sets up on the terminal surface that the piston corresponds the bumping post.
2. The multiple cushioning plunger cylinder of claim 1, wherein: the sealing ring respectively includes individual layer sealing washer and multilayer sealing washer, the individual layer sealing washer has one deck seal lip, the multilayer sealing washer has two-layer or more than two-layer seal lip.
3. The multiple cushioning plunger cylinder of claim 1 or 2, wherein: correspond individual layer sealing washer and multilayer sealing washer respectively on the inner wall of cylinder body and be equipped with the mounting ring groove, individual layer sealing washer and multilayer sealing washer correspond the mounting ring groove and are equipped with the installation foot, the shape and the installation foot adaptation of mounting ring groove.
4. The multiple cushioning plunger cylinder of claim 3, wherein: the cylinder body is provided with a base.
5. The multiple cushioning plunger cylinder of claim 4, wherein: and a plurality of connecting holes are formed in two sides of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120326523.0U CN214533792U (en) | 2021-02-04 | 2021-02-04 | Multiple buffering plunger jar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120326523.0U CN214533792U (en) | 2021-02-04 | 2021-02-04 | Multiple buffering plunger jar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214533792U true CN214533792U (en) | 2021-10-29 |
Family
ID=78233983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120326523.0U Active CN214533792U (en) | 2021-02-04 | 2021-02-04 | Multiple buffering plunger jar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214533792U (en) |
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2021
- 2021-02-04 CN CN202120326523.0U patent/CN214533792U/en active Active
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