CN210371432U - Integral anti-rotation piston sealing element - Google Patents
Integral anti-rotation piston sealing element Download PDFInfo
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- CN210371432U CN210371432U CN201920801399.1U CN201920801399U CN210371432U CN 210371432 U CN210371432 U CN 210371432U CN 201920801399 U CN201920801399 U CN 201920801399U CN 210371432 U CN210371432 U CN 210371432U
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- piston
- piston rod
- vertical direction
- seal
- horizontal direction
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Abstract
The utility model discloses an integral anti-rotation piston sealing element, which belongs to the technical field of piston sealing elements and comprises a base, a piston cylinder is fixedly connected with the top of the base in the vertical direction, a piston rod is connected with the top of the piston cylinder in the vertical direction in a sliding way, the piston rod is matched with the piston cylinder, a sealing washer is detachably connected with the bottom of the lateral wall of the piston rod in the horizontal direction, a through hole is arranged in the vertical direction of the middle position of the sealing washer, the piston rod vertically runs through the through hole, the friction resistance of the piston rod in the horizontal direction in the piston cylinder can be improved through a first stripe arranged in the vertical direction of the lateral wall of the sealing washer on the premise of not influencing the normal piston movement of the piston rod, the piston rod is prevented from rotating, a lower pressing plate at the top of, avoiding the horizontal direction rotation of the piston rod.
Description
Technical Field
The utility model relates to a piston seal technical field especially relates to an integral prevent changeing piston seal.
Background
The sealing and rubber-coating integrated piston is an elliptical cylinder piston applied to a jig of an automobile production line, replaces an existing metal framework and an NBR material, fills the market blank of non-metal materials and high-performance polyurethane sealing and rubber-coating elliptical piston, and is lower in cost, stable in performance and wide in market application compared with the traditional metal framework due to superior material selection and processing technology.
The rubber-coated integrated piston needs to be sealed by a sealing element in the using process, the existing sealing element is likely to influence the quality of the sealing element due to long-time use and abrasion of the sealing element in the using process, the rotation and connection of the piston are unstable, and the using effect of the rubber-coated integrated piston is influenced.
Disclosure of Invention
The utility model provides an integral prevent changeing piston seal member aims at solving the problem of piston rod gyration, guarantees the steady motion of piston rod.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of integral prevent changeing piston seal spare, the on-line screen storage device comprises a base, the vertical direction fixedly connected with piston cylinder in base top, the vertical direction sliding connection in piston cylinder top has the piston rod, the piston rod mutually supports with the piston cylinder, piston rod lateral wall bottom horizontal direction can be dismantled and be connected with seal ring, the through-hole has been seted up to the vertical direction of seal ring intermediate position, the vertical direction of piston rod runs through the through-hole, first stripe has been seted up to the vertical direction of seal ring lateral wall, the vertical direction fixedly connected with gag lever post in base top and gag lever post are two, piston rod top horizontal direction fixedly connected with.
Optionally, the inner side wall of the sealing washer is horizontally provided with a second stripe.
Optionally, the material of the sealing washer is polyurethane.
Optionally, two limiting holes are formed in the vertical direction of the top of the lower pressing plate, the limiting holes penetrate through the lower pressing plate in the vertical direction, and the positions of the limiting holes correspond to those of the limiting rods.
The utility model has the advantages as follows:
the embodiment of the utility model provides an integral prevent changeing piston seal spare, it can improve the piston rod at the inside horizontal direction frictional resistance of piston cylinder through the first stripe of seting up at the vertical direction of seal ring lateral wall under the prerequisite that does not influence the normal piston motion of piston rod, avoids the piston rod gyration, and the lower clamp plate at piston rod top follows the vertical direction upward movement of piston rod, limits the motion range of piston rod under the cooperation of the gag lever post at base top, avoids the horizontal direction gyration of piston rod.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of an overall structure of an integral anti-rotation piston seal according to an embodiment of the present invention;
FIG. 2 is a top view of a seal ring of an integral anti-rotation piston seal according to an embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of a seal ring of an integral anti-rotation piston seal according to an embodiment of the present invention;
fig. 4 is a schematic top view of a lower pressing plate of an integrated anti-rotation piston sealing member according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An integral anti-rotation piston sealing member according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the embodiment of the utility model provides an integral prevent changeing piston seal, including base 1, the vertical direction fixedly connected with piston cylinder 2 in base 1 top, the vertical direction sliding connection in piston cylinder 2 top has piston rod 3, piston rod 3 and piston cylinder 2 mutually support, 3 lateral wall bottom horizontal direction of piston rod can be dismantled and be connected with seal ring 4, through-hole 401 has been seted up to the vertical direction of seal ring 4 intermediate position, 3 vertical directions of piston rod run through-hole 401, first stripe 402 has been seted up to the vertical direction of seal ring 4 lateral wall, the vertical direction fixedly connected with gag lever post 5 in base 1 top and gag lever post 5 are two, 3 top horizontal direction fixedly connected with holding down plate 6 of piston rod.
The illustrated example, the first stripe 401 is formed in the vertical direction of the outer side wall of the sealing washer 4, the horizontal direction friction resistance of the piston rod 3 in the piston cylinder 2 can be improved on the premise that the normal piston motion of the piston rod 3 is not influenced, the piston rod 3 is prevented from rotating when the piston rod moves, the lower pressing plate 6 at the top of the piston rod 3 moves in the vertical direction along with the piston rod 3, the horizontal direction motion range of the piston rod 3 is limited under the cooperation of the limiting rod 5 at the top of the base 1, the rotation of the piston rod 3 when the piston moves is further avoided, and the stable normal operation of an engine can be effectively guaranteed.
Referring to fig. 1 and 3, the inner side wall of the sealing gasket 4 is provided with a second stripe 403 in the horizontal direction.
For example, the second stripe 403 formed in the horizontal direction on the inner side wall of the sealing gasket 4 may increase the friction between the sealing gasket 4 and the piston rod 3, thereby improving the connection stability between the piston rod 3 and the sealing gasket 4.
Referring to fig. 1, 2 and 3, the sealing washer 4 is made of polyurethane.
In an example, the sealing washer 4 integrally formed by polyurethane can provide enough pretightening force and static sealing performance, and the sealing capability and the service life of the sealing washer 4 can be improved.
Referring to fig. 1 and 4, two limiting holes 601 are formed in the top of the lower pressing plate 6 in the vertical direction, the limiting holes 601 penetrate through the lower pressing plate 6 in the vertical direction, and the positions of the limiting holes 601 correspond to the limiting rods 5.
For example, the limiting hole 601 formed in the top of the lower pressing plate 6 in the vertical direction can facilitate the penetration of the limiting rod 5 when the lower pressing plate 6 moves in the vertical direction, and the rotation of the piston rod 3 can be limited by the cooperation of the limiting rod 5.
When the piston rod 3 is used, the sealing washer 4 is sleeved at the bottom of the piston rod 3, the bottom of the piston rod 3 penetrates through the middle of the sealing washer 4 in the vertical direction, the through hole 401 is formed in the middle of the sealing washer 4, the second stripe 403 formed in the inner side wall of the sealing washer 4 in the horizontal direction can increase the friction force between the sealing washer 4 and the piston rod 3, further the connection stability and firmness between the piston rod 3 and the sealing washer 4 are improved, the piston rod 3 is placed into the piston cylinder 2 from the top of the piston cylinder 2, the base 1 can stably support the piston cylinder 2 and the limiting rod 5, the outer side wall of the sealing washer 4 is contacted with the inner side wall of the piston cylinder 2, the first stripe formed in the outer side wall of the sealing washer 4 in the vertical direction can improve the horizontal direction friction resistance of the piston rod 3 in the piston, the lower pressing plate 6 that drives its top horizontal direction installation when piston rod 3 is the piston motion moves in the vertical direction, during the downstream, the bottom of lower pressing plate 6 contacts the top of the gag lever post 5 at 1 top of base, the top of gag lever post 5 runs through in the inside vertical direction of spacing hole 601 and passes through, spacing hole 601 and gag lever post 5 mutually support can restrict the horizontal direction motion range of lower pressing plate 6 and then restrict the horizontal direction motion range of piston rod 3, the condition of gyration takes place when preventing piston rod 3 from moving, the condition that current sealing member drops easily and sealed not stable enough in the use has been improved, the steady operation of piston cylinder 2 and piston rod 3 has been guaranteed.
The embodiment of the utility model provides an integral prevent changeing piston seal spare, it can improve the piston rod at the inside horizontal direction frictional resistance of piston cylinder through the first stripe of seting up in the vertical direction of seal ring lateral wall under the prerequisite that does not influence the normal piston motion of piston rod, avoids the piston rod gyration, and the lower clamp plate at piston rod top follows the vertical direction upward movement of piston rod, limits the motion range of piston rod under the cooperation of the gag lever post at bottom top, avoids the horizontal direction gyration of piston rod.
It should be noted that, the utility model relates to an integral prevent changeing piston seal, including base 1, piston cylinder 2, piston rod 3, seal ring 4, through-hole 401, first striation 402, second striation 403, gag lever post 5, holding down plate 6, spacing hole 601, the part is general standard component or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. The utility model provides an integral piston seal that prevents changeing, includes the base, its characterized in that, the vertical direction fixedly connected with piston cylinder in base top, the vertical direction sliding connection in piston cylinder top has the piston rod, the piston rod mutually supports with the piston cylinder, piston rod lateral wall bottom horizontal direction can be dismantled and be connected with seal ring, the through-hole has been seted up to the vertical direction of seal ring intermediate position, the through-hole is run through to the vertical direction of piston rod, first stripe has been seted up to the vertical direction of seal ring lateral wall, the vertical direction fixedly connected with gag lever post and gag lever post in base top are two, piston rod top horizontal direction fixedly connected with holding.
2. The integrated anti-rotation piston seal according to claim 1, wherein the inner sidewall of the seal washer is horizontally provided with second stripes.
3. An integral anti-rotation piston seal according to claim 1 in which the seal washer is polyurethane.
4. The integrated anti-rotation piston seal according to claim 1, wherein two limiting holes are formed in the top of the lower pressure plate in the vertical direction, the limiting holes penetrate through the lower pressure plate in the vertical direction, and the positions of the limiting holes correspond to those of the limiting rods.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920801399.1U CN210371432U (en) | 2019-05-30 | 2019-05-30 | Integral anti-rotation piston sealing element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920801399.1U CN210371432U (en) | 2019-05-30 | 2019-05-30 | Integral anti-rotation piston sealing element |
Publications (1)
Publication Number | Publication Date |
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CN210371432U true CN210371432U (en) | 2020-04-21 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920801399.1U Active CN210371432U (en) | 2019-05-30 | 2019-05-30 | Integral anti-rotation piston sealing element |
Country Status (1)
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CN (1) | CN210371432U (en) |
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2019
- 2019-05-30 CN CN201920801399.1U patent/CN210371432U/en active Active
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: No. 373 Renqing Road, Pudong New Area, Shanghai, 200120 Patentee after: Shanghai Weiwan Sealing Technology Co., Ltd Address before: No. 373 Renqing Road, Pudong New Area, Shanghai, 200120 Patentee before: VONESEALS TECHNOLOGY (SHANGHAI) Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |