CN215568205U

CN215568205U - Hydraulic check valve for drift diameter of hydraulic press

Info

Publication number: CN215568205U
Application number: CN202121322325.3U
Authority: CN
Inventors: 徐砚琛
Original assignee: Hangzhou Chunfeng Mechanical Engineering Co ltd
Current assignee: Hangzhou Chunfeng Mechanical Engineering Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-01-18
Anticipated expiration: 2031-06-15

Abstract

The utility model relates to a hydraulic check water valve for a drift diameter of a hydraulic press, belonging to the field of cast pipe equipment accessories. The utility model comprises a driving piece, a coupler, a flange, a valve body, a valve seat, a sealing body, a sealing seat, a cone, a valve rod, an inlet flange, an outlet flange and an end cover, wherein the driving piece is an oil cylinder; sealing rings are arranged between the inlet flange and the valve seat, between the outlet flange and the valve seat, and between the valve rod and the sealing body and between the sealing body and the valve seat.

Description

Hydraulic check valve for drift diameter of hydraulic press

Technical Field

The utility model relates to a hydraulic check water valve for a drift diameter of a hydraulic press, belonging to the field of cast pipe equipment.

Background

The check water valve is one of the commonly used parts in the hydraulic press, the existing hydraulic press is a standard mechanical check water valve for water inlet pressure check, the sealing performance of the check water valve above DN200 is controlled by the water pressure during the use process, and when the water pressure is low, the leakage amount of liquid is large, so the hydraulic press is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide the hydraulic check water valve with the through diameter and reasonable structural design for the hydraulic press.

The technical scheme adopted by the utility model for solving the problems is as follows: this hydraulic press latus rectum hydraulic pressure check water valve, including the driving piece, its structural feature lies in: still include disk seat, seal receptacle, cone and valve rod, the seal receptacle is installed in the disk seat, the driving piece is connected with the one end of valve rod, the other end and the cone of valve rod are connected, the cone cooperates with the seal receptacle.

Further, the driving piece is an oil cylinder.

Further, the valve further comprises a sealing body which is arranged in the valve seat.

Further, still include the valve body, driving piece and seal receptacle are all installed on the valve body.

Further, the valve further comprises a coupler and a flange, and the driving piece is connected with one end of the valve rod through the coupler and the flange.

Further, the sealing device also comprises an end cover, and the sealing body is installed in the valve seat through the end cover.

Further, still include import flange and export flange, import flange and export flange are all installed on the disk seat.

Furthermore, sealing rings are arranged between the inlet flange and the valve seat and between the outlet flange and the valve seat.

Further, the seal seat is in line contact with the cone.

Further, a gap exists between one end of the valve stem and the flange.

Further, sealing rings are arranged between the valve rod and the sealing body and between the sealing body and the valve seat.

Compared with the prior art, the utility model has the following advantages: the hydraulic check water valve for the drift diameter of the hydraulic press adopts a hydraulic check water valve, so that the leakage amount in a high-pressure test is reduced, the sealing between the cone and the sealing seat is realized by driving the valve rod through the oil cylinder, and when the cone is separated from the sealing seat, liquid can flow into the valve seat from the inlet and then flow out from the outlet; compared with the traditional swing check valve, the oil cylinder is adopted for driving, so that the sealing performance of the check valve can be enhanced, and the leakage amount can be reduced; the sealing seat and the cone are in line contact with each other, so that the service lives of the sealing seat and the cone can be prolonged; a gap exists between the flange and one end of the valve rod, so that the concentricity of the piston rod and the valve rod of the oil cylinder can be compensated, and the service life of the sealing body can be prolonged by guiding the sealing bodies respectively.

Drawings

Fig. 1 is a schematic front view structure diagram of a hydraulic check valve of a drift diameter of a hydraulic press according to an embodiment of the utility model.

Fig. 2 is a left side view structural schematic diagram of a hydraulic check valve of a drift diameter of a hydraulic press according to an embodiment of the utility model.

Fig. 3 is a schematic structural diagram of a hydraulic check valve in a top view of a drift diameter of a hydraulic press according to an embodiment of the utility model.

Fig. 4 is a schematic view of the cross-sectional structure a-a in fig. 3.

In the figure: the valve comprises a driving piece 1, a coupling 2, a flange 3, a valve body 4, a valve seat 5, a sealing body 6, a sealing seat 7, a cone 8, a valve rod 9, an inlet flange 10, an outlet flange 11 and an end cover 12.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

Examples are given.

Referring to fig. 1 to 4, it should be understood that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes, should still fall within the scope of the present invention without affecting the functions and the achievable objectives of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.

The hydraulic check valve for the drift diameter of the hydraulic press in the embodiment comprises a driving piece 1, a coupler 2, a flange 3, a valve body 4, a valve seat 5, a sealing body 6, a sealing seat 7, a cone 8, a valve rod 9, an inlet flange 10, an outlet flange 11 and an end cover 12, wherein the driving piece 1 is an oil cylinder, and the sealing seat 7 is in line contact with the cone 8.

Sealing body 6 and seal receptacle 7 in this embodiment all install in disk seat 5, and sealing body 6 passes through end cover 12 to be installed in disk seat 5 under the normal conditions, and driving piece 1 is connected with the one end of valve rod 9, and driving piece 1 passes through shaft coupling 2 and flange 3 with the one end of valve rod 9 under the normal conditions and is connected, has the clearance between the one end of valve rod 9 and the flange 3, and the other end and the cone 8 of valve rod 9 are connected, and cone 8 cooperates with seal receptacle 7.

In the embodiment, the driving piece 1 and the sealing seat 7 are both arranged on the valve body 4, and the inlet flange 10 and the outlet flange 11 are both arranged on the valve seat 5; sealing rings are arranged between the inlet flange 10 and the valve seat 5, between the outlet flange 11 and the valve rod 9 and between the sealing body 6 and the valve seat 5.

Specifically, the hydraulic check valve for the drift diameter of the hydraulic press adopts a hydraulic check valve, so that the leakage amount in a high-pressure test is reduced, the sealing between the cone 8 and the sealing seat 7 is realized by driving the valve rod 9 through the oil cylinder, and when the cone 8 is separated from the sealing seat 7, liquid can flow into the valve seat 5 from the inlet and then flow out from the outlet; compared with the traditional swing check valve, the oil cylinder is adopted for driving, so that the sealing performance of the check valve can be enhanced, and the leakage amount can be reduced; the sealing seat 7 and the cone 8 are in line contact with each other, so that the service lives of the sealing seat 7 and the cone 8 can be prolonged; a gap exists between the flange 3 and one end of the valve rod 9, so that the concentricity of the piston rod of the oil cylinder and the valve rod 9 can be compensated, and the service life of the sealing body can be prolonged by guiding the sealing bodies respectively.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the utility model are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a hydraulic press latus rectum hydraulic check water valve, includes driving piece (1), its characterized in that: still include disk seat (5), seal receptacle (7), cone (8) and valve rod (9), install in disk seat (5) seal receptacle (7), driving piece (1) is connected with the one end of valve rod (9), the other end and the cone (8) of valve rod (9) are connected, cone (8) and seal receptacle (7) cooperation.

2. The hydraulic press drift diameter hydraulic check water valve of claim 1, wherein: the driving piece (1) is an oil cylinder.

3. The hydraulic press drift diameter hydraulic check water valve of claim 1, wherein: the sealing device further comprises a sealing body (6), and the sealing body (6) is installed in the valve seat (5).

4. The hydraulic press drift diameter hydraulic check water valve of claim 1, wherein: still include valve body (4), driving piece (1) and seal receptacle (7) are all installed on valve body (4).

5. The hydraulic press drift diameter hydraulic check water valve of claim 1, wherein: the valve rod driving device is characterized by further comprising a coupler (2) and a flange (3), wherein the driving piece (1) is connected with one end of the valve rod (9) through the coupler (2) and the flange (3).

6. The hydraulic press drift diameter hydraulic check water valve of claim 3, wherein: the sealing device further comprises an end cover (12), and the sealing body (6) is installed in the valve seat (5) through the end cover (12).

7. The hydraulic press drift diameter hydraulic check water valve of claim 1, wherein: the valve also comprises an inlet flange (10) and an outlet flange (11), wherein the inlet flange (10) and the outlet flange (11) are both arranged on the valve seat (5); and/or; and sealing rings are arranged between the inlet flange (10) and the valve seat (5) and between the outlet flange (11) and the valve seat (5).

8. The hydraulic press drift diameter hydraulic check water valve of claim 1, wherein: the sealing seat (7) is in line contact with the cone (8).

9. The hydraulic press drift diameter hydraulic check water valve of claim 5, wherein: a gap exists between one end of the valve rod (9) and the flange (3).

10. The hydraulic press drift diameter hydraulic check water valve of claim 3, wherein: and sealing rings are arranged between the valve rod (9) and the sealing body (6) and between the sealing body (6) and the valve seat (5).