CN215984727U

CN215984727U - Mounting structure of pressure controller manometer

Info

Publication number: CN215984727U
Application number: CN202122433679.1U
Authority: CN
Inventors: 陈佳妮
Original assignee: JIANGSU HUANLI TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: JIANGSU HUANLI TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-03-08
Anticipated expiration: 2031-10-09

Abstract

The utility model provides a mounting structure of a pressure gauge of a pressure controller, and belongs to the technical field of pressure controllers. It has solved the loose problem of current pressure controller structure. The pressure controller comprises a shell with a cavity inside, a mounting structure comprises a mounting hole formed in the shell, the mounting hole is communicated with the cavity, a pressure gauge is fixed in the cavity, the top of the pressure gauge is located in the mounting hole, and a first sealing ring is arranged between the top of the pressure gauge and the hole wall of the mounting hole. This mounting structure has the advantage that makes pressure controller compact structure.

Description

Mounting structure of pressure controller manometer

Technical Field

The utility model belongs to the technical field of pressure controllers, and relates to a mounting structure of a pressure gauge of a pressure controller.

Background

And the electronic pressure controller is used for automatically controlling the water supply system of the water pump and starting or stopping the water pump by turning on or off the water faucet.

For example, chinese patent literature discloses a water pump pressure controller with stable flow rate [ application number: 201820040754.3, respectively; authorization notice number: CN207813890U ], which comprises a casing, an induction membrane disposed in the casing, and a displacement sensor associated with the induction membrane, wherein the induction membrane is divided into a lower working chamber and an upper pressure chamber in the casing, the casing is provided with a water inlet and a water outlet communicated with the working chamber, the water inlet is provided with a movable valve core and a return spring for pressing the valve core, the valve core is provided with a magnetic attraction ring, an electromagnet is disposed in the position opposite to the magnetic attraction ring in the working chamber, the valve core has a non-return position and a working position, and when the valve core is in the non-return position, the water inlet and the water outlet are separated from each other; when the valve core is in the working position, the magnetic attraction ring on the valve core is magnetically attracted with the electromagnet, and the water inlet interface and the water outlet interface are mutually communicated.

The pressure controller with the structure maintains the stability of the flow of the water supply system. However, the pressure controller with the structure has the advantages that the pressure gauge for detecting the pressure is fixedly connected outside the shell, the pressure gauge is integrally positioned outside the shell and occupies an external installation space, and the pressure controller with the structure has a larger appearance structure and a relatively loose structure.

Disclosure of Invention

The utility model aims to provide a mounting structure of a pressure gauge of a pressure controller aiming at the problems in the prior art, and solves the technical problem of how to make the structure of the pressure controller compact.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a mounting structure of pressure controller manometer, pressure controller include that inside has the casing of cavity, its characterized in that, mounting structure includes the mounting hole of seting up on the casing, the mounting hole is linked together with the cavity, the manometer is fixed in the cavity just the top of manometer is located the mounting hole, be equipped with first sealing washer between the pore wall of the top of manometer and mounting hole.

The inside cavity that has itself of casing, this manometer setting are in the cavity, and the top of manometer is arranged in the mounting hole, makes the whole setting of manometer in the casing, does not occupy outside space, makes pressure controller's compact structure. The top of manometer is arranged in the mounting hole, and the user can audio-visually observe the numerical value on the manometer through the mounting hole. The first sealing ring is arranged to play a role in sealing, so that external water and the like cannot enter the shell through a gap between the pressure gauge and the shell, and the second sealing ring plays a role in buffering energy absorption, so that the pressure gauge and the shell vibrate synchronously, and the detection precision of the pressure gauge is improved.

In the above-described mounting structure of a pressure gauge for a pressure controller, the end surface of the top of the pressure gauge is slightly recessed with respect to the outer surface of the case at the edge of the mounting hole. The structure ensures that the pressure gauge does not protrude out of the shell, so that the structure of the pressure controller is compact, and the slightly recessed amplitude is between 1 and 3 mm.

In the above-mentioned mounting structure of pressure controller manometer, the border department of mounting hole has the extension that the protrusion set up inwards, the extension is located the cavity, the lateral wall at manometer top and the inboard wall laminating of extension. The extension sets up the location that makes the manometer can be better, improves the stability and the firm degree of manometer installation, improves the detection precision of manometer.

In the above-mentioned mounting structure of a pressure controller manometer, the annular that the protrusion set up is kept off on the lateral wall at manometer top is followed, the pore wall of mounting hole has the step groove, first sealing washer is located annular and keeps off between following and the step groove. The stability of first sealing washer location is good, and the sealed and buffering that play absorbs energy is effectual.

In the above installation structure of the pressure controller pressure gauge, the hole wall at the opening of the installation hole is an arc surface, and the installation hole is in a flaring shape. The connection part is in smooth transition, and the overall feeling is strong.

In the above-mentioned mounting structure of a pressure controller manometer, circulation passageway and pressure measurement through-hole have in the casing, the manometer is linked together through pressure measurement through-hole and circulation passageway, the circumference outside of pressure measurement through-hole is equipped with the second sealing washer, the second sealing washer is compressed tightly between the bottom and the casing of manometer. The pressure measurement through hole plays the effect of intercommunication circulation passageway and manometer, makes the manometer can accurate detection pressure, and the second sealing washer plays sealed effect, prevents to appear leaking.

In the above installation structure of the pressure controller pressure gauge, the bottom of the pressure gauge is further provided with a third sealing ring, a convex sealing convex ring is arranged in the inner cavity of the shell, the sealing convex ring is located on the circumferential outer side of the pressure measuring through hole, and the third sealing ring is tightly pressed between the bottom of the pressure gauge and the sealing convex ring. The third sealing ring and the sealing convex ring play a role in sealing, leakage is prevented, the third sealing ring simultaneously plays a role in buffering and absorbing energy, the pressure gauge and the shell vibrate synchronously, and the detection precision of the pressure gauge is improved.

Compared with the prior art, the mounting structure of the pressure gauge of the pressure controller provided by the utility model has the following advantages:

1. the pressure gauge is arranged in the cavity inside the shell, does not occupy the external space, and enables the structure of the pressure controller to be compact.

2. This manometer plays sealed and buffering effect of inhaling energy through setting up first sealing washer, makes manometer and casing vibration synchronous, improves the detection precision of manometer.

Drawings

FIG. 1 is a cross-sectional view of the present pressure controller at the pressure gauge mounting structure.

Fig. 2 is a schematic view of the overall structure of the present pressure controller.

Fig. 3 is a sectional view of the entire structure of the pressure gauge mounting structure.

In the figure, 1, a cavity; 2. a housing; 3. mounting holes; 4. a pressure gauge; 5. a first seal ring; 6. an extension; 7. an annular blocking edge; 8. a step groove; 9. a flow-through channel; 10. a pressure measuring through hole; 11. a second seal ring; 12. a third seal ring; 13. and sealing the convex ring.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, the pressure controller comprises a shell 2 with a cavity 1 inside and a pressure gauge 4, the mounting structure comprises a mounting hole 3 formed in the shell 2, the hole wall of the opening of the mounting hole 3 is an arc surface, the mounting hole 3 is in a flaring shape, and the mounting hole 3 is communicated with the cavity 1.

As shown in fig. 3, the edge of the mounting hole 3 has an extension 6 protruding inward, the extension 6 is located in the cavity 1, the pressure gauge 4 is fixed in the cavity 1, and the top of the pressure gauge 4 is located in the mounting hole 3. As shown in fig. 2, the end surface of the top of the pressure gauge 4 is slightly recessed with respect to the outer surface of the case 2 at the edge of the mounting hole 3. The outer side wall at the top of the pressure gauge 4 is attached to the inner side wall of the extension portion 6, an annular blocking edge 7 protruding out of the outer side wall at the top of the pressure gauge 4 is arranged on the outer side wall of the extension portion 6, a step groove 8 is formed in the hole wall of the extension portion 6, the first sealing ring 5 is located between the annular blocking edge 7 and the step groove 8, and the first sealing ring 5 is located between the top of the pressure gauge 4 and the hole wall of the mounting hole 3.

The shell 2 is internally provided with a flow channel 9 and a pressure measuring through hole 10, the pressure gauge 4 is communicated with the flow channel 9 through the pressure measuring through hole 10, a second sealing ring 11 is arranged on the circumferential outer side of the pressure measuring through hole 10, and the second sealing ring 11 is compressed between the bottom of the pressure gauge 4 and the shell 2. The bottom of manometer 4 still is equipped with third sealing washer 12, has the protruding sealed bulge loop 13 that sets up in the casing 2 inner chamber, and sealed bulge loop 13 is located the circumference outside of pressure measurement through-hole 10, and second sealing washer 11 is compressed tightly between the bottom of manometer 4 and sealed bulge loop 13.

Casing 2 is split type, and casing 2 includes the midbody and end cover, and mounting hole 3 is located the end cover, during the equipment, fixes manometer 4 on the midbody earlier, then covers the end cover, makes manometer 4's top imbed in mounting hole 3 to make manometer 4 wholly be located cavity 1.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms cavity 1, housing 2, mounting hole 3, pressure gauge 4, first seal 5, extension 6, annular ledge 7, stepped groove 8, flow channel 9, pressure tap 10, second seal 11, third seal 12, sealing collar 13, etc. are used more extensively herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a mounting structure of pressure controller manometer, pressure controller include inside casing (2) that have cavity (1), its characterized in that, mounting structure includes mounting hole (3) of seting up on casing (2), mounting hole (3) are linked together with cavity (1), manometer (4) are fixed in cavity (1) just the top of manometer (4) is located mounting hole (3), be equipped with first sealing washer (5) between the pore wall of the top of manometer (4) and mounting hole (3).

2. A pressure controller gauge mounting arrangement according to claim 1, characterized in that the end surface of the top of the gauge (4) is slightly recessed in relation to the outer surface of the housing (2) at the edge of the mounting hole (3).

3. A pressure controller pressure gauge mounting structure according to claim 1 or 2, wherein the edge of the mounting hole (3) is provided with an extension part (6) protruding inwards, the extension part (6) is positioned in the cavity (1), and the outer side wall of the top of the pressure gauge (4) is attached to the inner side wall of the extension part (6).

4. A pressure controller pressure gauge mounting structure according to claim 1 or 2, characterized in that the outer side wall of the top of the pressure gauge (4) is provided with a protruding annular retaining edge (7), the hole wall of the mounting hole (3) is provided with a step groove (8), and the first sealing ring (5) is located between the annular retaining edge (7) and the step groove (8).

5. The mounting structure of the pressure gauge of the pressure controller according to claim 1 or 2, wherein the wall of the opening of the mounting hole (3) is an arc surface, and the mounting hole (3) is flared.

6. A pressure controller pressure gauge mounting structure according to claim 1 or 2, wherein the casing (2) has a flow passage (9) and a pressure measuring through hole (10), the pressure gauge (4) is communicated with the flow passage (9) through the pressure measuring through hole (10), a second sealing ring (11) is provided on the circumferential outer side of the pressure measuring through hole (10), and the second sealing ring (11) is compressed between the bottom of the pressure gauge (4) and the casing (2).

7. A mounting structure of a pressure gauge of a pressure controller according to claim 6, characterized in that the bottom of the pressure gauge (4) is further provided with a third sealing ring (12), the inner cavity of the shell (2) is provided with a protruding sealing convex ring (13), the sealing convex ring (13) is located at the circumferential outer side of the pressure measuring through hole (10), and the third sealing ring (12) is compressed between the bottom of the pressure gauge (4) and the sealing convex ring (13).