Hydraulic oil cylinder valve seat assembly

Abstract

The utility model discloses a hydraulic oil cylinder valve seat assembly which comprises an oil cylinder valve seat, connecting holes are formed in the left side face and the right side face of the oil cylinder valve seat, grooves are formed in the middles of the connecting holes, sealing gaskets are arranged in the grooves, and the hydraulic oil cylinder valve seat assembly further comprises a fastening mechanism. The fastening mechanism comprises hoops and jacking columns, the hoops are movably arranged on the outer arc faces of the sealing gaskets in a sleeving mode respectively, the jacking columns are arranged at the ends of the hoops and transversely connected to the left end and the right end of the oil cylinder valve seat in a sliding mode respectively, the fastening mechanism further comprises sliding grooves, frame plates and sliding columns, the sliding columns are arranged at the ends of the hoops respectively, and the sliding grooves are communicated with the sliding columns. According to the hydraulic oil cylinder valve seat assembly, through the mode that passive extrusion and active extrusion are matched, contact between a sealing component of the valve seat assembly and an oil pipe is tighter, the sealing effect of the connecting opening of the hydraulic oil cylinder valve seat assembly is improved, and the probability that the hydraulic oil cylinder valve seat assembly leaks under the high hydraulic pressure condition is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic oil cylinder technical field, concretely is a kind of hydraulic oil cylinder valve seat assembly. BACKGROUND

[0002] Hydraulic oil cylinder is a kind of execution element that converts hydraulic energy into mechanical energy, mainly used to realize linear reciprocating motion or swing motion, it provides power through hydraulic system, converts hydraulic pressure into linear or swing reciprocating mechanical motion, hydraulic oil cylinder is widely applied in various mechanical equipment, and it is favored because of its simple structure, reliable work, in the various components of hydraulic oil cylinder, the main function of valve seat assembly is to control the movement of hydraulic oil cylinder, the flow and pressure of hydraulic oil are regulated by the cooperation of valve seat and valve core, so as to control the working state of oil cylinder, valve seat is usually made of wear-resistant material to ensure sealing performance and durability;In prior art, in order to block the leakage of oil from the connecting port of valve seat assembly, O-ring and other sealing components are often arranged in the connecting port of valve seat assembly, and the connecting port of valve seat assembly is sealed by sealing component, but part of hydraulic oil cylinder valve assembly is used in the occasion with high oil pressure, and under the influence of oil pressure, oil leakage from the connecting port is prone to occur. SUMMARY

[0003] The utility model solves the technical problem of overcoming the defects of the prior art, provides a kind of hydraulic oil cylinder valve seat assembly, the sealing component of valve seat assembly and the contact of oil pipe are more closely by the passive extrusion and the cooperation of active extrusion, reduce the probability of leakage of hydraulic oil cylinder valve seat assembly under high pressure, can effectively solve the problems in background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of hydraulic oil cylinder valve seat assembly, including oil cylinder valve seat, the left and right side of the oil cylinder valve seat is equipped with connecting hole, recess is set in the middle part of connecting hole, sealing pad is arranged in the inside of recess, still include fastening mechanism;

[0005] Fastening mechanism: it includes hoop and top column, the outer arc surface of sealing pad is movably sleeved with hoop, the end of hoop is equipped with top column, and top column is respectively transversely slidably connected to the left and right ends of oil cylinder valve seat, the sealing component of valve seat assembly and the contact of oil pipe are more closely by the passive extrusion and the cooperation of active extrusion, improve the sealing effect of connecting port of hydraulic oil cylinder valve seat assembly, reduce the probability of leakage of hydraulic oil cylinder valve seat assembly under high pressure.

[0006] Further, the fastening mechanism further comprises a sliding groove, a frame plate and a sliding column, the sliding column is arranged at the end of the hoop respectively, the sliding groove is arranged at the left and right ends of the oil cylinder valve seat respectively, the frame plate is transversely and slidingly connected in the sliding groove, the sliding column is slidingly connected with the inner part of the adjacent frame plate respectively, and the jacking column is fixedly connected with the surface of the adjacent frame plate, so that the end of the hoop is pulled conveniently.

[0007] Further, the fastening mechanism further comprises a pulling spring, the pulling spring is arranged between the frame plate and the inner wall of the sliding groove respectively, and the pulling spring is movably sleeved on the outer arc surface of the jacking column, so that the frame plate is reset conveniently.

[0008] Further, the inner arc surfaces of the sealing gaskets are conical arc surfaces, and the sealing gaskets are deformed in a passive extrusion mode.

[0009] Further, the hoops are arranged at the left and right ends of the outer arc surfaces of the sealing gaskets respectively, and the two hoops on the same sealing gasket are symmetrical upward and downward, so that the active extrusion of the hoops on the sealing gaskets is more comprehensive.

[0010] Further, the sealing gaskets are sealing rubber rings, and the sealing gaskets can be deformed.

[0011] Further, the left and right sides of the oil cylinder valve seat are provided with threaded connection holes, and the jacking columns are located in the threaded connection holes respectively, so that the jacking columns are pressed conveniently.

[0012] Compared with the prior art, the hydraulic oil cylinder valve seat assembly has the following advantages.

[0013] Through the passive extrusion and active extrusion cooperation mode, the contact between the sealing components of the valve seat assembly and the oil pipe is more close, the sealing effect of the connection port of the hydraulic oil cylinder valve seat assembly is improved, and the probability of the leakage of the hydraulic oil cylinder valve seat assembly under high hydraulic pressure is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a structural schematic view of the overall device of the utility model in the front view section;

[0016] Figure 3 It is a structural schematic view of the fastening mechanism of the utility model in the top view section;

[0017] Figure 4 It is a structural schematic view of the fastening mechanism of the utility model.

[0018] In the drawing: 1, oil cylinder valve seat; 2, connection hole; 3, groove; 4, sealing gasket; 5, fastening mechanism; 51, hoop; 52, sliding groove; 53, frame plate; 54, sliding column; 55, jacking column; 56, pulling spring; 6, threaded connection hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] Please refer to Figures 1-4 The embodiment provides a technical scheme: a hydraulic oil cylinder valve seat assembly, comprising an oil cylinder valve seat 1, which provides support for the installation of valve components, and a connecting hole 2 is arranged on the left and right sides of the oil cylinder valve seat 1, which facilitates the communication between the oil cylinder valve seat 1 and the oil pipe, a recess 3 is arranged in the middle of the connecting hole 2, a sealing gasket 4 is arranged in the recess 3, the sealing gasket 4 is used to seal the space between the oil pipe and the oil cylinder valve seat 1, thereby preventing oil leakage, the inner arc surface of the sealing gasket 4 is a conical arc surface, after the oil pipe is inserted into the connecting hole 2, the conical inner arc surface of the sealing gasket 4 is extruded by the oil pipe, thereby reducing the gap between the connecting hole 2 and the oil pipe, the sealing gasket 4 is a sealing rubber ring, the sealing gasket 4 can be elastically deformed, so that the contact between the sealing gasket 4 and the oil pipe is more tight, and the hydraulic oil cylinder valve seat assembly further comprises a fastening mechanism 5.

[0021] The fastening mechanism 5 comprises a clamp 51 and a top column 55, the clamp 51 is movably sleeved on the outer arc surface of the sealing gasket 4 respectively, the end of the clamp 51 is provided with the top column 55, the top column 55 is transversely and slidably connected to the left and right ends of the oil cylinder valve seat 1 respectively, the fastening mechanism 5 further comprises a sliding groove 52, a frame plate 53 and a sliding column 54, the sliding column 54 is arranged at the end of the clamp 51 respectively, the sliding groove 52 is arranged at the left and right ends of the oil cylinder valve seat 1 respectively, the frame plate 53 is transversely and slidably connected in the sliding groove 52, the sliding column 54 is slidably connected in the frame plate 53 respectively, the top column 55 is fixedly connected to the surface of the adjacent frame plate 53 respectively, the frame plate 53 is pushed in the sliding groove 52, the sliding column 54 is slid in the frame plate 53, the end of the clamp 51 is pulled to move away from the sealing gasket 4, the sealing gasket 4 is further deformed by the clamp 51, the sealing gasket 4 is more closely attached to the oil pipe, and the sealing is more firm, the fastening mechanism 5 further comprises a tension spring 56, the tension spring 56 is arranged between the frame plate 53 and the inner wall of the sliding groove 52 respectively, the tension spring 56 is movably sleeved on the outer arc surface of the top column 55, the tension spring 56 is stretched to generate elastic force in the process that the top column 55 drives the frame plate 53 to move, the elastic force of the tension spring 56 is used for conveniently resetting the frame plate 53, the clamp 51 is located at the left and right ends of the outer arc surface of the sealing gasket 4 respectively, the two clamps 51 on the same sealing gasket 4 are symmetrical upward and downward, the two clamps 51 on the same sealing gasket 4 press the sealing gasket 4 in different directions, the deformation of the sealing gasket 4 is more comprehensive, the left and right sides of the oil cylinder valve seat 1 are provided with threaded connection holes 6, the top column 55 is located in the threaded connection hole 6, the bolt is passed through the insertion hole on the oil pipe connecting plate and is screw-connected with the threaded connection hole 6, the oil pipe is fixed with the oil cylinder valve seat 1, and the top column 55 is pushed to move to the direction close to the transverse center of the oil cylinder valve seat 1 by the bolt.

[0022] The working principle of the hydraulic oil cylinder valve seat assembly is as follows: when the valve seat assembly is connected with the hydraulic oil cylinder oil pipe, the oil pipe is inserted into the connection hole 2, in the process of insertion, the sealing gasket 4 is deformed by the extrusion of the oil pipe on the conical inner arc surface of the sealing gasket 4, the oil pipe and the oil cylinder valve seat 1 are sealed by the sealing gasket 4, then the bolt is passed through the insertion hole on the oil pipe connecting plate and is screw-connected with the threaded connection hole 6, the top column 55 is pushed to move to the direction close to the transverse center of the oil cylinder valve seat 1 by the bolt, the frame plate 53 is pushed in the sliding groove 52, the sliding column 54 is slid in the frame plate 53, the end of the clamp 51 is pulled to move away from the sealing gasket 4, the sealing gasket 4 is further deformed by the clamp 51, the sealing gasket 4 is more closely attached to the oil pipe, and the sealing is more firm.

[0023] The above are only embodiments of the present application, and do not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A hydraulic cylinder valve seat assembly, comprising a cylinder valve seat (1), the left and right sides of the cylinder valve seat (1) are provided with connecting holes (2), the middle part of the connecting holes (2) is provided with a groove (3), and the inside of the groove (3) is provided with a sealing gasket (4), characterized in that: Also include fastening mechanism (5); Fastening mechanism (5): it includes hoop (51) and top post (55), the hoop (51) is respectively movably sleeved in the outer arc surface of sealing gasket (4), the end of hoop (51) is provided with top post (55), and top post (55) is respectively transversely and slidingly connected to the left and right ends of oil cylinder valve seat (1); The fastening mechanism (5) further comprises a sliding groove (52), a frame plate (53) and a sliding column (54), the sliding column (54) is respectively arranged at the end of the hoop (51), the sliding groove (52) is respectively arranged at the left and right ends of the oil cylinder valve seat (1), the frame plate (53) is transversely and slidingly connected inside the sliding groove (52), the sliding column (54) is respectively and slidingly connected with the inside of the adjacent frame plate (53), and the top post (55) is respectively and fixedly connected with the surface of the adjacent frame plate (53).

2. A hydraulic cylinder valve seat assembly as defined in claim 1, wherein: The fastening mechanism (5) further comprises a tension spring (56), the tension spring (56) is respectively arranged between the frame plate (53) and the inner wall of the sliding groove (52), and the tension spring (56) is movably sleeved on the outer arc surface of the top post (55).

3. A hydraulic cylinder valve seat assembly as defined in claim 1, wherein: The inner arc surface of the sealing gasket (4) is a conical arc surface.

4. The hydraulic cylinder valve seat assembly of claim 1, wherein: The hoop (51) is respectively located at the left and right ends of the outer arc surface of the sealing gasket (4), and the two hoops (51) on the same sealing gasket (4) are symmetrical.

5. The hydraulic cylinder valve seat assembly of claim 1, wherein: The sealing gasket (4) is a sealing rubber ring.

6. A hydraulic cylinder valve seat assembly as defined in claim 1, wherein: The left and right sides of the oil cylinder valve seat (1) are provided with threaded connection holes (6), and the top post (55) is located inside the threaded connection hole (6).

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