CN214404155U - Hydraulic cylinder valve core sealing mechanism with built-in spring lock - Google Patents
Hydraulic cylinder valve core sealing mechanism with built-in spring lock Download PDFInfo
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- CN214404155U CN214404155U CN202120198738.9U CN202120198738U CN214404155U CN 214404155 U CN214404155 U CN 214404155U CN 202120198738 U CN202120198738 U CN 202120198738U CN 214404155 U CN214404155 U CN 214404155U
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- valve core
- shell
- sealing mechanism
- spring lock
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Abstract
The utility model discloses a pneumatic cylinder case sealing mechanism of built-in spring lock, including first pipeline, the left and right sides outer wall fixedly connected with flange plate of first pipeline, the inner wall fixedly connected with protective layer of first pipeline, the upper surface of first pipeline is equipped with the shell, the inside dwang that is equipped with of roof of going up the shell, the lower extreme of dwang and the inside that is located first pipeline are equipped with the case, the lower surface of case is equipped with the sill bar, the lower fixed surface of first pipeline is connected with down the shell, the inside swing joint of shell has the locking lever down, the inside of shell and the outside that is located the locking lever down are equipped with the recess. The utility model discloses, be equipped with backing plate and sealed the pad, the leakproofness of going up the shell is higher, is favorable to preventing that hydraulic oil pressure is inhomogeneous, through the second sealing washer, makes the leakproofness of first pipeline better, is difficult for resulting in hydraulic oil to reveal, makes the pressure of hydraulic oil more even.
Description
Technical Field
The utility model relates to a case sealing technique field especially relates to a pneumatic cylinder case sealing mechanism of built-in spring lock.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area, and the hydraulic cylinder basically comprises a cylinder barrel, a cylinder cover, the piston, a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary.
The valve core of the existing hydraulic cylinder is poor in sealing effect, the pressure of hydraulic oil in the hydraulic cylinder is prone to being uneven, the hydraulic oil is prone to being leaked, and the hydraulic cylinder is not prone to being used.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a sealing mechanism of a built-in spring lock hydraulic cylinder valve core.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a valve core sealing mechanism of a hydraulic cylinder with a built-in spring lock comprises a first pipeline, wherein connecting flange plates are fixedly connected to the outer walls of the left side and the right side of the first pipeline, a protective layer is fixedly connected to the inner wall of the first pipeline, an upper shell is arranged on the upper surface of the first pipeline, a rotating rod is arranged inside the top wall of the upper shell, a valve core is arranged at the lower end of the rotating rod and inside the first pipeline, a bottom rod is arranged on the lower surface of the valve core, and a lower shell is fixedly connected to the lower surface of the first pipeline;
the inside swing joint of shell has the locking lever down, the inside of shell and the outside that is located the locking lever are equipped with the recess down, the inside of recess is equipped with locking spring, the outside surface of case and the inside that is located the protective layer are equipped with the fixed plate, the upper surface of fixed plate is equipped with extension spring, the outside of dwang and the inside that is located the shell are equipped with sealed the pad, the upper surface that seals up is equipped with fastening spring.
As a further description of the above technical solution:
the left side of the connecting flange plate is provided with a second pipeline, and the right side of the connecting flange plate is provided with a third pipeline.
As a further description of the above technical solution:
and the connecting flange plate is connected with the second pipeline and the third pipeline through bolts, and a plurality of groups of bolts are arranged.
As a further description of the above technical solution:
the junction between dwang and the last shell is equipped with first sealing washer, the top of dwang is equipped with changes the handle.
As a further description of the above technical solution:
the lower surface of the lower shell is fixedly connected with a base, and the base is movably connected with the bottom rod.
As a further description of the above technical solution:
the outer side surface of the lock rod and the position inside the groove are provided with limiting rings, and the top end of the locking spring is provided with a movable plate and is positioned on the outer side of the valve core.
As a further description of the above technical solution:
and a second sealing ring is arranged at the joint of the valve core and the first pipeline, and a limiting plate is arranged at the joint between the top end of the valve core and the rotating rod.
As a further description of the above technical solution:
the upper end of the fastening spring is provided with a base plate and is positioned on the outer side of the rotating rod, and the rotating rod is movably connected with the upper shell.
The utility model discloses following beneficial effect has:
1. compared with the prior art, this pneumatic cylinder case sealing mechanism of built-in spring lock is equipped with backing plate and sealed the pad, and the leakproofness of going up the shell is higher, is favorable to preventing that hydraulic oil pressure is inhomogeneous, through the second sealing washer, makes the leakproofness of first pipeline better, is difficult for resulting in hydraulic oil to reveal, makes the pressure of hydraulic oil more even.
2. Compared with the prior art, this pneumatic cylinder case sealing mechanism of built-in spring lock is equipped with locking spring and locking lever, makes the case difficult for kick-backing after adjusting, and is more stable, can bear great pressure and difficult emergence deformation or hydraulic oil reveal, makes the result of use of case better.
3. Compared with the prior art, the hydraulic cylinder valve core sealing mechanism with the built-in spring lock is provided with the bottom rod and the base, so that the valve core is not easy to shake or shift in direction when being adjusted, and the valve core is more stable to adjust.
Drawings
Fig. 1 is a cross-sectional view of a sealing mechanism of a hydraulic cylinder valve core with a built-in spring lock provided by the utility model;
fig. 2 is a front view of a sealing mechanism of a hydraulic cylinder valve core with a built-in spring lock provided by the present invention;
fig. 3 is an enlarged view of a portion a in fig. 1 of a hydraulic cylinder valve element sealing mechanism with a built-in spring lock according to the present invention;
fig. 4 is a perspective view of a first pipeline of a hydraulic cylinder valve core sealing mechanism with a built-in spring lock provided by the utility model.
Illustration of the drawings:
1. a first conduit; 2. a second conduit; 3. a movable plate; 4. connecting a flange plate; 5. a gasket; 6. a fastening spring; 7. rotating the rod; 8. a base plate; 9. turning a handle; 10. an upper housing; 11. a third pipeline; 12. a protective layer; 13. a valve core; 14. an extension spring; 15. a locking spring; 16. a base; 17. a bottom bar; 18. a lower housing; 19. a fixing plate; 20. a lock lever; 21. and (4) a groove.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the utility model provides a pair of pneumatic cylinder case sealing mechanism of built-in spring lock: comprises a first pipeline 1, the outer walls of the left side and the right side of the first pipeline 1 are fixedly connected with a connecting flange plate 4, the left side of the connecting flange plate 4 is provided with a second pipeline 2, the right side of the connecting flange plate 4 is provided with a third pipeline 11, the connecting flange plate 4 is connected with the second pipeline 2 and the third pipeline 11 through bolts, and the bolts are provided with a plurality of groups, the inner wall of the first pipeline 1 is fixedly connected with a protective layer 12, the upper surface of the first pipeline 1 is provided with an upper shell 10, the top wall of the upper shell 10 is internally provided with a rotating rod 7, the joint between the rotating rod 7 and the upper shell 10 is provided with a first sealing ring, the top end of the rotating rod 7 is provided with a rotating handle 9, the lower end of the rotating rod 7 and the inner part of the first pipeline 1 are provided with a valve core 13, the lower surface of the valve core 13 is provided with a bottom rod 17, when the valve core 13 is adjusted, the direction is not easy to shake or deviate, the adjustment of the valve core 13 is more stable, and the lower surface of the first pipeline 1 is fixedly connected with a lower shell 18;
the inside swing joint of lower shell 18 has locking lever 20, the outside surface of locking lever 20 and the inside that is located recess 21 are equipped with the spacing ring, locking spring 15's top is equipped with movable plate 3 and is located the outside of case 13, the inside of lower shell 18 and the outside that is located locking lever 20 are equipped with recess 21, the inside of recess 21 is equipped with locking spring 15, the inside that the outside surface of case 13 and is located protective layer 12 is equipped with fixed plate 19, the upper surface of fixed plate 19 is equipped with extension spring 14, the outside of dwang 7 and the inside that is located upper shell 10 are equipped with sealed 5, the upper surface of sealed 5 that fills up is equipped with fastening spring 6.
The working principle is as follows: when the first pipeline 1 needs to close the valve, the rotating handle 9 is rotated to drive the rotating rod 7 to rotate, so that the valve core 13 rotates, after the valve core 13 is adjusted, the elastic force of the locking spring 15 changes, the locking rod 20 is matched with the valve core 13, the valve core 13 is more stable and difficult to rotate, the upper shell 10 is more sealed by the sealing gasket 5, and when the valve core 13 is adjusted, the bottom rod 17 rotates along with the valve core 13, so that the valve core 13 rotates more stably and is difficult to deviate from the direction.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a built-in spring lock's pneumatic cylinder case sealing mechanism, includes first pipeline (1), its characterized in that: the outer walls of the left side and the right side of the first pipeline (1) are fixedly connected with connecting flange plates (4), the inner wall of the first pipeline (1) is fixedly connected with a protective layer (12), the upper surface of the first pipeline (1) is provided with an upper shell (10), a rotating rod (7) is arranged inside the top wall of the upper shell (10), the lower end of the rotating rod (7) and positioned inside the first pipeline (1) are provided with a valve core (13), the lower surface of the valve core (13) is provided with a bottom rod (17), and the lower surface of the first pipeline (1) is fixedly connected with a lower shell (18); the inside swing joint of lower shell (18) has locking lever (20), the inside of lower shell (18) and the outside that is located locking lever (20) are equipped with recess (21), the inside of recess (21) is equipped with locking spring (15), the outside surface of case (13) and the inside that is located protective layer (12) are equipped with fixed plate (19), the upper surface of fixed plate (19) is equipped with extension spring (14), the outside of dwang (7) and the inside that is located upper housing (10) are equipped with sealed pad (5), the upper surface of sealed pad (5) is equipped with fastening spring (6).
2. The cylinder valve core sealing mechanism of an internal spring lock according to claim 1, wherein: the left side of flange plate (4) is equipped with second pipeline (2), the right side of flange plate (4) is equipped with third pipeline (11).
3. The cylinder valve core sealing mechanism of an internal spring lock according to claim 2, wherein: and the connecting flange plate (4) is connected with the second pipeline (2) and the third pipeline (11) through bolts, and a plurality of groups of bolts are arranged.
4. The cylinder valve core sealing mechanism of an internal spring lock according to claim 1, wherein: the junction between dwang (7) and last shell (10) is equipped with first sealing washer, the top of dwang (7) is equipped with changes handle (9).
5. The cylinder valve core sealing mechanism of an internal spring lock according to claim 1, wherein: the lower surface of the lower shell (18) is fixedly connected with a base (16), and the base (16) is movably connected with a bottom rod (17).
6. The cylinder valve core sealing mechanism of an internal spring lock according to claim 1, wherein: the outer side surface of the lock rod (20) is provided with a limiting ring inside the groove (21), and the top end of the locking spring (15) is provided with a movable plate (3) and is positioned outside the valve core (13).
7. The cylinder valve core sealing mechanism of an internal spring lock according to claim 1, wherein: and a second sealing ring is arranged at the joint of the valve core (13) and the first pipeline (1), and a limiting plate is arranged at the joint between the top end of the valve core (13) and the rotating rod (7).
8. The cylinder valve core sealing mechanism of an internal spring lock according to claim 1, wherein: the upper end of fastening spring (6) is equipped with backing plate (8) and is located the outside of dwang (7), swing joint between dwang (7) and last shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120198738.9U CN214404155U (en) | 2021-01-25 | 2021-01-25 | Hydraulic cylinder valve core sealing mechanism with built-in spring lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120198738.9U CN214404155U (en) | 2021-01-25 | 2021-01-25 | Hydraulic cylinder valve core sealing mechanism with built-in spring lock |
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| Publication Number | Publication Date |
|---|---|
| CN214404155U true CN214404155U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120198738.9U Active CN214404155U (en) | 2021-01-25 | 2021-01-25 | Hydraulic cylinder valve core sealing mechanism with built-in spring lock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507236A (en) * | 2022-10-12 | 2022-12-23 | 广西电网有限责任公司北海供电局 | Transformer quick oil supply connector |
-
2021
- 2021-01-25 CN CN202120198738.9U patent/CN214404155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115507236A (en) * | 2022-10-12 | 2022-12-23 | 广西电网有限责任公司北海供电局 | Transformer quick oil supply connector |
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