CN215763767U

CN215763767U - Pressure stabilizing valve with rotation stopping device

Info

Publication number: CN215763767U
Application number: CN202120128231.6U
Authority: CN
Inventors: 王秋斌
Original assignee: Shanghai Yitai Plastic Co ltd
Current assignee: Shanghai Yitai Plastic Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2022-02-08
Anticipated expiration: 2031-01-18

Abstract

The utility model provides a pressure stabilizing valve with a rotation stopping device, which comprises an upper cover, wherein the upper end of the upper cover is provided with a pressure regulating screw, and the top of the pressure regulating screw is provided with an upper cap sleeved on the upper cover; the two sides of the upper cover are respectively provided with a rotation stopper, and a pressure regulating spring is arranged between the upper cover and the valve body; the threaded covers are in threaded connection with two ends of the valve body, and the outer special common valve is in sealing connection with the valve body through the threaded covers; an annular sealing ring is arranged between the outer special common valve and the valve body; the rotation stopper is arranged on the upper cover and used for clamping the threaded cover, and a first positioning hole, a second positioning hole and a tooth groove of a tooth-shaped structure are designed on the rotation stopper; the threaded cover is provided with tooth protrusions sliding in one direction, and the tooth grooves are meshed with the tooth protrusions; the rotation stopper is fixed on the upper cover by screws, and the installation is finished; the installation is simple and effective, safe, convenient, rapid and reliable; the threaded covers at the two ends of the pressure stabilizing valve can be effectively prevented from being loosened by vibration, and the leakage problem of liquid is effectively solved.

Description

Pressure stabilizing valve with rotation stopping device

Technical Field

The utility model relates to the field of valves, in particular to a pressure stabilizing valve with a rotation stopping device.

Background

In the pipe-line system, because the phenomenon of vibrations appears in the switch valve that uses along with the flow of fluid and then make the pipeline appear becoming flexible in the junction with the valve, and the screw cap that the structure both ends of valve structure used is rotatory fixed, nevertheless shakes for a long time and can cause the screw cap not hard up, can make the valve appear becoming flexible rather than the pipeline of being connected and then appear leaking equally, further may cause loss or harm.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides the pressure stabilizing valve with the rotation stopping device, which can prevent the valve cover rotation stopping device from falling off and is simple and reliable in installation and operation.

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

the utility model provides a pressure stabilizing valve with a rotation stopping device, which comprises an upper cover, wherein the upper end of the upper cover is provided with a pressure regulating screw, and the top of the pressure regulating screw is provided with an upper cap sleeved on the upper cover; the two sides of the upper cover are respectively provided with a rotation stopper, and a pressure regulating spring is arranged between the upper cover and the valve body; the threaded covers are in threaded connection with two ends of the valve body, and the outer special common valve is in sealing connection with the valve body through the threaded covers; an annular sealing ring is arranged between the outer special common valve and the valve body.

Furthermore, a tooth groove is formed in the middle of one side of the rotation stopper, a first boss is arranged in the middle of the other side of the rotation stopper, and a first groove and a second groove are formed in two sides of the first boss respectively; and a first positioning hole and a second positioning hole are respectively formed at two ends of the rotation stopper.

Further, the middle part of upper cover is equipped with the columniform brace table, be equipped with four groups of interval and equidistance support arriss around the brace table, every group supports the arris and includes that first support arris and second support arris, and is adjacent support and be equipped with the third locating hole between the arris group, the third locating hole sets up the surface of upper cover.

Furthermore, a plurality of tooth protrusions which are uniformly distributed are circumferentially arranged at one end of the threaded cover.

Further, the tooth grooves are engaged with the tooth protrusions; the first boss is clamped between the first support rib and the second support rib.

Further, the end part of one side of the first boss is abutted against the support table.

Further, the first positioning hole and the second positioning hole are respectively connected with a third positioning hole at a corresponding position through screws.

Furthermore, a small pressure regulating part is arranged between the pressure regulating spring and the upper cover, and a large pressure regulating part and a pressure regulating diaphragm are sequentially arranged between the pressure regulating spring and the valve body.

The utility model has the beneficial effects that: the rotation stopper is arranged on the upper cover and used for clamping the threaded cover, and a first positioning hole, a second positioning hole and a tooth groove of a tooth-shaped structure are designed on the rotation stopper; the threaded cover is provided with tooth protrusions sliding in one direction, and the tooth grooves are meshed with the tooth protrusions; the rotation stopper is fixed on the upper cover by screws, and the installation is finished; the installation is simple effective, safe convenient and fast is reliable, can effectively prevent the screwed cap at surge damping valve both ends from being shaken loose, the effectual leakage problem of solving liquid.

Drawings

FIG. 1 is an exploded view of a surge damping valve with a rotation stopping device according to the present invention;

FIG. 2 is a schematic structural diagram of a rotator;

FIG. 3 is a schematic view of a screw cap;

FIG. 4 is a schematic structural diagram of a pressure maintaining valve with a rotation stopping device according to the utility model;

fig. 5 is a schematic top view of a pressure maintaining valve with a rotation stopping device according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 5, a pressure stabilizing valve with a rotation stopping device includes an upper cover 11, a pressure regulating screw 13 is disposed at an upper end of the upper cover 11, and an upper cap sleeved on the upper cover is disposed at a top of the pressure regulating screw 13; the two sides of the upper cover 11 are both provided with a rotation stopper 12, and a pressure regulating spring 9 is arranged between the upper cover 11 and the valve body 4; the threaded cover 2 is in threaded connection with two ends of the valve body 4, and the outer Tepu 1 is in sealing connection with the valve body 4 through the threaded cover 2; an annular sealing ring is arranged between the outer Tepu 1 and the valve body 4.

Wherein, a pipeline 15 is arranged at one side of the outer Tepu 1, which is away from the threaded cover 2.

A tooth groove 1201 is formed in the middle of one side of the rotation stopper 12, a first boss 1202 is formed in the middle of the other side of the rotation stopper 12, and a first groove 1204 and a second groove 1205 are formed in two sides of the first boss 1202 respectively; the two ends of the rotation stopper 12 are respectively provided with a first positioning hole 1207 and a second positioning hole 1208.

A cylindrical supporting table 1101 is arranged in the middle of the upper cover 11, four groups of supporting ribs which are spaced at equal intervals are arranged around the supporting table 1101, each group of supporting ribs comprises a first supporting rib 1103 and a second supporting rib 1104, a third positioning hole 1209 is arranged between adjacent groups of supporting ribs, and the third positioning hole 1209 is arranged on the surface of the upper cover 11.

One end of the screw cap 2 is circumferentially provided with a plurality of tooth protrusions 201 which are uniformly distributed.

The tooth groove 1201 is meshed with the tooth protrusion 201; the first boss 1202 is trapped between the first supporting rib 1103 and the second supporting rib 1104.

The end portion on the first boss 1202 side abuts against the supporting stage 1101.

The first positioning hole 1207 and the second positioning hole 1208 are connected to the third positioning hole 1209 by screws.

A small pressure regulating part 10 is arranged between the pressure regulating spring 9 and the upper cover 11, and a large pressure regulating part 8 and a pressure regulating diaphragm 7 are sequentially arranged between the pressure regulating spring 9 and the valve body 4.

Wherein, be equipped with annular seal 3 between outer special pu 1 and the valve body 4, the bottom of valve body 4 is connected with shelves lid 5 through set screw 6.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a take surge damping valve of rotation stopping device which characterized in that: the pressure regulating device comprises an upper cover (11), wherein the upper end of the upper cover (11) is provided with a pressure regulating screw (13), and the top of the pressure regulating screw (13) is provided with an upper cap sleeved on the upper cover; the two sides of the upper cover (11) are respectively provided with a rotation stopper (12), and a pressure regulating spring (9) is arranged between the upper cover (11) and the valve body (4); the threaded cover (2) is in threaded connection with two ends of the valve body (4), and the outer Tepu (1) is in sealed connection with the valve body (4) through the threaded cover (2); an annular sealing ring is arranged between the outer Tepu (1) and the valve body (4).

2. A surge damping valve with a rotation stopping device according to claim 1, characterized in that: a tooth groove (1201) is formed in the middle of one side of the rotation stopper (12), a first boss (1202) is formed in the middle of the other side of the rotation stopper (12), and a first groove (1204) and a second groove (1205) are formed in two sides of the first boss (1202) respectively; and a first positioning hole (1207) and a second positioning hole (1208) are respectively formed at two ends of the rotation stopper (12).

3. A surge damping valve with a rotation stopping device according to claim 2, characterized in that: the middle part of upper cover (11) is equipped with columniform brace table (1101), be equipped with four groups of support arriss of interval and equidistance around brace table (1101), every group supports the arris and includes first support arris (1103) and second support arris (1104), and is adjacent it is equipped with third locating hole (1209) to support between the arris group, third locating hole (1209) set up the surface of upper cover (11).

4. A surge damping valve with a rotation stopping device according to claim 3, wherein: one end of the threaded cover (2) is circumferentially provided with a plurality of tooth protrusions (201) which are uniformly distributed.

5. A surge damping valve with a rotation stopping device according to claim 4, characterized in that: the tooth grooves (1201) are meshed with the tooth protrusions (201); the first boss (1202) is snapped between the first support rib (1103) and the second support rib (1104).

6. A surge damping valve with a rotation stopping device according to claim 5, characterized in that: the end of the first boss (1202) abuts against the support table (1101).

7. A surge damping valve with a rotation stopping device according to claim 6, characterized in that: the first positioning hole (1207) and the second positioning hole (1208) are respectively connected with a third positioning hole (1209) in a corresponding position through screws.

8. A surge damping valve with a rotation stopping device according to claim 7, characterized in that: pressure regulating spring (9) with be equipped with between upper cover (11) little pressure regulating spare (10), pressure regulating spring (9) with be equipped with big pressure regulating spare (8) and pressure regulating diaphragm (7) between valve body (4) in proper order.