CN214171374U

CN214171374U - Valve gate

Info

Publication number: CN214171374U
Application number: CN202022905137.5U
Authority: CN
Inventors: 陈长清
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-09-10
Anticipated expiration: 2030-12-07

Abstract

The utility model relates to a valve, wherein a valve seat is provided with a first end, a second end and a containing cavity; the first end head is provided with a first flow channel opening and a stop part, and the stop part is positioned between the first flow channel opening and the accommodating cavity; the second end is provided with a connecting port which is communicated with the containing cavity; the valve core is assembled in the containing cavity and realizes the opening and closing work; the top stop piece is movably assembled on the valve seat and is provided with a top stop end and an external end, the top stop end is assembled corresponding to a connection port on the valve seat and pushes the valve core, and the top stop end is matched with the stop part to limit the valve core so that the valve core is in a set stable state in the cavity; the external connection end is provided with a second flow passage opening; the opening and closing work of the valve core achieves the connection and disconnection of the first flow passage and the second flow passage; and a stabilizing structure is arranged between the valve seat and the top stop piece and is used for maintaining the position relation of the top stop piece assembled on the valve seat. The utility model discloses simple structure, the bodily form is little, and the case equipment is stable, promotes the usability and the life of valve, accords with the trade and utilizes widely.

Description

Valve gate

Technical Field

The utility model relates to the technical field of valves.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for a valve of a fluid control system, has quite a plurality of varieties and specifications from the simplest stop valve to various valves used in an extremely complicated automatic control system, can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and is one of indispensable products in industrial production.

The valve core is an important part of the valve, the assembly quality of the valve core greatly influences the use of the valve, for example, the valve core of a ball valve is assembled and fixed by a loose-joint top stop piece, and the top stop piece is mainly connected with a valve seat through threads, so that the top stop piece is very easy to be triggered to withdraw in the installation and use processes of the ball valve, the valve core is loosened, the valve leaks, the use of the valve is influenced, and the maintenance work is also increased.

Disclosure of Invention

An object of the utility model is to provide a valve solves above-mentioned technical problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a valve, having:

the valve seat is provided with a first end, a second end and a cavity positioned between the first end and the second end; the first end head is provided with a first flow channel opening and a stopping part, the first flow channel opening is communicated with the containing cavity, and the stopping part is positioned between the first flow channel opening and the containing cavity; the second end is provided with a connecting port which is communicated with the containing cavity;

the valve core is assembled in the containing cavity and realizes the opening and closing work;

the top stop piece is movably assembled on the valve seat and is provided with a top stop end and an external end, the top stop end is assembled corresponding to a connecting port on the valve seat and pushes the valve core, and the top stop end is matched with the stop part to limit the valve core so that the valve core is in a set stable state in the cavity; the outer connecting end is provided with a second flow passage port which is communicated with the containing cavity; the opening and closing work of the valve core achieves the connection and disconnection of the first flow passage and the second flow passage;

and a stable structure is arranged between the valve seat and the top stop piece and is used for keeping the position relation of the top stop piece assembled on the valve seat.

The above solution is further that the above-mentioned top stop piece is assembled on the valve seat by means of screw connection, the stable structure includes a fixed part extending on the valve seat and a stop member assembled on the fixed part, the stop member acts on the top stop piece, so that the top stop piece obtains the blocking force of the assembly retraction.

The stop piece is a stop screw and assembled corresponding to a preset threaded hole in the fixing portion, the stop piece is vertically supported and supported by the stop piece, ring teeth are arranged on the periphery of the stop piece, and the supporting top end of the stop piece is correspondingly clamped into the ring teeth.

In the above solution, the first flow port and the second flow port are coaxially arranged, the valve core is assembled with a sealing ring at the side end facing the first flow port and the second flow port, and the sealing ring and the valve core are assembled together in the cavity and supported by the stop part and the top stop part correspondingly.

The utility model discloses simple structure, the bodily form is little, and spatial layout is few, does not increase cost, easy maintenance. The valve seat is assembled by the top stop piece through the stable structure, leakage and the like caused by looseness of the valve core are prevented, the valve core is assembled stably, the usability and the service life of the valve are improved, and the valve meets the popularization and utilization of the industry.

Description of the drawings:

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is an exploded view of the embodiment of FIG. 1;

fig. 3 is a schematic view of the top stop member of the present invention.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, 2 and 3, which are schematic structural views illustrating a preferred embodiment of the present invention, the present invention relates to a valve, which is illustrated as a ball valve, but not limited to the ball valve. The utility model discloses a valve has disk seat 1, case 2 and ends top member 3, and this disk seat 1 has first end 11, second end 12 and is located the appearance chamber 13 between first end and the second end, and first end and second end are realized being used for being connected to corresponding pipeline, reach the valve and install and use. The first end 11 is provided with a first flow opening 111 and a stop portion 112, the stop portion 112 can be integrally manufactured or combined with the valve seat 1 to obtain a structural body required for assembling product components, the first flow opening 111 is communicated with the cavity 13, and the stop portion 112 is located between the first flow opening 111 and the cavity 13. The second end 12 is provided with a connection port 121, and the connection port 121 is communicated with the cavity 13. The valve core 2 is assembled in the cavity 13 and realizes the opening and closing work, and in the figure, the valve core 2 is connected with the handle 6 through a rotating shaft to realize the work of operating the valve core 2. The top stop piece 3 is movably assembled on the valve seat 1, the top stop piece 3 has a top stop end 31 and an external end 32, the top stop end 31 is assembled corresponding to the connection port 121 on the valve seat 1 and pushes the valve core 2, the top stop end 31 cooperates with the stop portion 112 to limit the valve core 2, so that the valve core 2 presents a set stable state in the cavity 13. The outer connecting end 32 is provided with a second flow passage 321, the second flow passage 321 is communicated with the accommodating cavity 13, and the opening and closing operation of the valve core 2 achieves the connection and disconnection of the first flow passage 111 and the second flow passage 321, so as to achieve the valve function for controlling the fluid. Still be equipped with stable structure between disk seat 1 and the top piece 3, this stable structure is used for keeping the position relation that top piece 3 assembled to disk seat 1, guarantees from this that top piece 3 lasts a case 2, lets the case obtain lasting stable state in holding chamber 13, and is difficult not hard up, just also reduces the valve because of the not hard up leakage problem of case, promotes the usability and the life of valve, also reduces maintenance work, guarantees that production is continuously gone on.

Referring to fig. 1, 2 and 3, in the embodiment, the top stop member 3 is assembled on the valve seat 1 by a threaded connection manner, and a matching threaded structure is designed on the connection port 121 and the top stop end 31, so as to achieve quick assembly and maintenance. The fixing structure comprises a fixing part 14 extending on the valve seat 1 and a stop part 4 assembled on the fixing part, wherein the fixing part 14 can be integrally manufactured or combined with the valve seat 1, and the stop part 4 acts on the top stop part 3 to ensure that the top stop part 3 obtains the stopping force of assembly retraction. In this embodiment, the stop member 4 is a stop screw, and the stop member 4 is assembled corresponding to a threaded hole preset on the fixing portion 14, so that the structure is simple, and the operation is convenient by screwing in and out; in this embodiment, the stop piece 4 vertically supports the top stop piece 3, the ring teeth 33 are arranged on the periphery of the top stop piece 3, and the top end of the stop piece 4 is correspondingly clamped into the ring teeth 33 to form a clamping system, so that the top stop piece 3 is assembled on the valve seat and limited after supporting the top valve core, the top stop piece 3 is prevented from being loosened, the top stop valve core 2 is continuously supported, and the valve core obtains a continuous stable state in the accommodating cavity 13. When maintenance is required, the stop member 4 can be rotated out of engagement with the ring teeth 33, and the stop member 3 can be released to allow maintenance of the valve.

Referring to fig. 1 and 2, in the embodiment, the first flow passage port 111 and the second flow passage port 321 are coaxially arranged, so that fluid is guided to flow, and the valve core is convenient to open and close. The side end of the valve core 2 facing the first flow passage port 111 and the second flow passage port 321 is assembled with a sealing ring 5, the sealing ring 5 is attached to the surface of the valve core and assembled with the valve core 2 in the cavity 13, the stopping portion 112 and the top stopping member 3 respectively correspond to the top supporting sealing ring 5, the valve core 2 is stabilized in the cavity 13, and the structure is convenient to manufacture and assemble.

The utility model discloses simple structure, the bodily form is little, and spatial layout is few, does not increase cost, easy maintenance. The valve seat is assembled by the top stop piece through the stable structure, leakage and other conditions caused by looseness of the valve core are prevented, the usability and the service life of the valve are improved, and the valve seat is suitable for popularization and utilization in the industry.

Although the preferred embodiments of the present invention have been described in connection with the accompanying drawings, the present invention should not be limited to the exact construction and operation as described and illustrated, and many equivalent modifications and variations of the above-described embodiments may be made by logical analysis, reasoning or limited experimentation by those skilled in the art without departing from the spirit and scope of the present invention, which should fall within the scope of the claims.

Claims

1. A valve, comprising:

the valve seat (1), the valve seat (1) has the first end (11), the second end (12) and locates in the cavity (13) between first end and second end; the first end (11) is provided with a first flow channel opening (111) and a stopping part (112), the first flow channel opening (111) is communicated with the containing cavity (13), and the stopping part (112) is positioned between the first flow channel opening (111) and the containing cavity (13); the second end (12) is provided with a connecting port (121), and the connecting port (121) is communicated with the containing cavity (13);

the valve core (2) is assembled in the containing cavity (13) and realizes the opening and closing work;

the anti-ejection part (3) is movably assembled on the valve seat (1), the anti-ejection part (3) is provided with an anti-ejection end (31) and an outer connection end (32), the anti-ejection end (31) is assembled corresponding to the connection port (121) on the valve seat (1) and pushes the valve core (2), and the anti-ejection end (31) is matched with the stopping part (112) to limit the valve core (2), so that the valve core (2) presents a set stable state in the accommodating cavity (13); the outer connecting end (32) is provided with a second flow opening (321), and the second flow opening (321) is communicated with the containing cavity (13); the opening and closing work of the valve core (2) achieves the connection and disconnection of the first flow passage opening (111) and the second flow passage opening (321);

and a stable structure is arranged between the valve seat (1) and the top stop piece (3) and is used for keeping the position relation of the top stop piece (3) assembled on the valve seat (1).

2. A valve according to claim 1, wherein the stop member (3) is assembled on the valve seat (1) by means of a threaded connection, the anchoring structure comprising a fixing portion (14) extending on the valve seat (1) and a stop member (4) assembled on the fixing portion, the stop member (4) acting on the stop member (3) to obtain a blocking force of the back-assembly of the stop member (3).

3. A valve according to claim 2, wherein the stop member (4) is a stop screw, the stop member (4) is assembled corresponding to a preset threaded hole on the fixing portion (14) and vertically supports the stop member (4) against the top stop member (3), the top stop member (3) is provided with a ring gear (33) on the periphery, and the top support end of the stop member (4) is correspondingly clamped into the ring gear (33).

4. A valve according to claim 1, wherein the first flow port (111) and the second flow port (321) are coaxially arranged, and a sealing ring (5) is assembled on the side end of the valve core (2) facing the first flow port (111) and the second flow port (321), and the sealing ring (5) is assembled with the valve core (2) in the cavity (13) and supported by the stop part (112) and the stop part (3).