CN217304050U

CN217304050U - Water meter convenient for pressure measurement

Info

Publication number: CN217304050U
Application number: CN202221023755.XU
Authority: CN
Inventors: 李春艳; 王乃辉; 马志强; 张建强
Original assignee: Weifang City Water Supply Co Ltd
Current assignee: Weifang City Water Supply Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-26
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a water meter with convenient pressure measurement, which relates to the technical field of water meters and comprises a water meter body, wherein a pressure measurement port is arranged on the water meter body, the water meter also comprises an automatic valve, the automatic valve comprises a valve body, a cavity is arranged in the valve body, one end of the valve body is provided with a first threaded hole, the other end of the valve body is provided with a second threaded hole, the first threaded hole and the second threaded hole are both communicated with the cavity, and the first threaded hole is in threaded connection with the pressure measurement port; a tapered cavity communicated with each other is arranged between the cavity and the second threaded hole, and the tapered cavity is gradually reduced from the cavity to the second threaded hole; a mounting seat is fixedly arranged in the cavity, a sliding rod which is coaxial with the conical cavity is connected onto the mounting seat in a sliding manner, a conical block is coaxially and fixedly connected to the outer end of the sliding rod, a spring is sleeved on the sliding rod and elastically supported between the conical block and the mounting seat, and a flexible sealing layer is arranged on the conical surface of the conical block; one end of the conical block is a rotating table, and a plurality of notches are formed in the rotating table. The utility model discloses the convenient accuracy of pressure measurement, the security is high.

Description

Water meter convenient for pressure measurement

Technical Field

Relate to water gauge technical field, in particular to water gauge of convenient change pressure measurement.

Background

The water meter needs to measure pressure regularly, pressure measuring personnel need to take a pressure gauge and then access the water meter to measure the water pressure of the whole water supply system. Such an approach has the following problems:

1. need open the ball valve again after the manometer inserts during the pressure measurement, it is poor to use the convenience.

2. During pressure measurement, residual gas in the interface is more, and the accuracy of detection is easily influenced.

3. The ball valve is exposed, and the safety is low.

Disclosure of Invention

To above defect, the utility model aims at providing a water gauge of convenient pressure measurement aims at solving the inconvenient technical problem of water gauge pressure measurement among the prior art.

In order to solve the technical problem, the technical scheme of the utility model is that:

a water meter capable of conveniently measuring pressure comprises a water meter body, wherein a water inlet and a water outlet are formed in the water meter body, a pressure measuring port used for being connected with a pressure meter is further formed in the water meter body, the automatic valve comprises a valve body, a cavity is formed in the valve body, a first threaded hole is formed in one end of the valve body, a second threaded hole is formed in the other end of the valve body, the first threaded hole and the second threaded hole are communicated with the cavity, the first threaded hole is in threaded connection with the pressure measuring port, and the water inlet end of the pressure meter can be in threaded connection with the second threaded hole;

a tapered cavity communicated with each other is arranged between the cavity and the second threaded hole, and the tapered cavity is gradually reduced from the cavity to the second threaded hole;

a mounting seat is fixedly arranged in the cavity, a sliding rod which is coaxial with the conical cavity is connected to the mounting seat in a sliding manner, a conical block is coaxially and fixedly connected to the outer end of the sliding rod, the conical block can be matched with the conical cavity to be plugged along with the sliding of the conical block away from the mounting seat, a spring is sleeved on the sliding rod and elastically supported between the conical block and the mounting seat, and a flexible sealing layer is arranged on the conical surface of the conical block;

the one end of toper piece orientation second screw hole is the revolving stage, is equipped with the notch of a plurality of intercommunication mesa and side on the revolving stage.

Wherein, the flexible sealing layer is a rubber pad.

Wherein, the flexible sealing layer is a plurality of annular gasbag, a plurality of annular gasbag sets up along the generating line direction interval arrangement of toper piece, be equipped with the air cavity in the mount pad, be equipped with the piston in the air cavity, the piston cuts off the air cavity and is first cavity and second cavity, be equipped with the slide opening of the first cavity of intercommunication on the mount pad, slide bar and slide opening sliding seal are connected, the one end and the coaxial rigid coupling of piston that the slide bar is located first cavity, still including setting up the air flue on toper piece and slide bar, a port intercommunication gasbag of air flue, another port of air flue forms the opening at the tip of slide bar.

Wherein, the inside of the slide hole is provided with a sealing ring.

Wherein, the second screw hole can be connected with the screw plug when not connecting the manometer.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

1. during pressure measurement, the pressure gauge is communicated with the water meter body along with the process that the pressure gauge is screwed on the pressure measurement port, and an additional valve is not needed to be opened and closed, so that the use convenience is improved;

2. the structural design ensures that the residual air quantity in the process of accessing the pressure gauge is very little, so that the pressure measuring precision is high;

3. has self-locking function, obvious self-locking effect and high safety.

Drawings

Fig. 1 is a schematic structural view of a water meter for conveniently measuring pressure according to the present invention;

FIG. 2 is a sectional view of the first embodiment of the automatic valve of FIG. 1;

FIG. 3 is a sectional view showing the structure of a second embodiment of the automatic valve of FIG. 1.

In the figure, a water meter body 1, a pressure measuring port 10, an automatic valve 2, a valve body 20, a cavity 200, a first threaded hole 201, a second threaded hole 202, a conical cavity 203, a mounting seat 21, a bracket 210, a sliding hole 211, a piston 212, a first chamber 213, a second chamber 214, a sealing ring 215, a sliding rod 22, a spring 220, an opening 221, a conical block 23, a rubber pad 230, an air passage 231, an annular air bag 232, a rotating platform 24, a notch 240 and a pressure gauge 3.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The position that involves in this specification all uses the utility model relates to a position when the water gauge of convenient pressure measurement normally works is the standard, does not restrict its storage and position when transporting, only represents relative position relation, does not represent absolute position relation.

The first embodiment is as follows:

as shown in fig. 1 and 2, the water meter capable of conveniently measuring pressure comprises a water meter body 1 and an automatic valve 2.

The water meter body 1 comprises a shell part and a meter body part, wherein the end part of the shell part is provided with a water inlet and a water outlet, the water inlet and the water outlet are flange joints, the side part of the shell part is provided with a pressure measuring port 10,

the automatic valve 2 comprises a valve body 20, a cavity 200 is arranged in the valve body 20, one end of the valve body 20 is provided with a first threaded hole 201, the other end of the valve body 20 is provided with a second threaded hole 202, the first threaded hole 201 and the second threaded hole 202 are both communicated with the cavity 200, the first threaded hole 201 is in threaded connection with a pressure measuring port 10, and the second threaded hole 202 can be in threaded connection with a water inlet end or a threaded plug of a pressure gauge 3. A tapered cavity 203 which is communicated with each other is arranged between the die cavity 200 and the second threaded hole 202, and the tapered cavity 203 is gradually reduced from the die cavity 200 to the second threaded hole 202;

a mounting seat 21 is arranged in the cavity 200, a support 210 is fixedly connected between the mounting seat 21 and the inner wall of the cavity 200, a sliding hole 211 is formed in the mounting seat 21, a sliding rod 22 is slidably connected in the sliding hole 211, a conical block 23 is coaxially and fixedly connected to the outer end of the sliding rod 22, the conical block 23 can be matched with the conical cavity 203 to be blocked along with the sliding of the conical block 23 away from the mounting seat 21, a spring 220 is sleeved on the rod, and the spring 220 is elastically supported between the conical block 23 and the mounting seat 21; the one end of toper piece 23 towards second screw hole 202 is revolving stage 24, and revolving stage 24 sets up with toper piece 23 is coaxial, is equipped with the notch 240 of a plurality of intercommunication mesa and side on the revolving stage 24. The conical surface of the conical block 23 is provided with a flexible sealing layer which is a rubber pad 230.

When the water meter is in an initial state, the spring 220 and the water pressure in the water meter body 1 drive the conical block 23 to be blocked in the conical cavity 203, the second threaded hole 202 is in threaded connection with the threaded plug, and the threaded plug is not in contact with the conical block 23;

during pressure measurement, a screw plug is required to be taken down by a screwdriver, then the pressure gauge 3 is screwed on the second threaded hole 202, in the process, as the pressure gauge 3 is screwed in, the water inlet end of the pressure gauge 3 contacts the rotating table 24, and as the pressure gauge 3 continues to be screwed in, the water inlet end of the pressure gauge 3 pushes the conical block 23 to move towards the direction away from the conical groove, so that the communication between the cavity 200 and the second threaded hole 202 is realized, and water in the cavity 200 can enter the pressure gauge 3, so that the pressure measurement is realized; after the pressure measurement is accomplished, only need to back out manometer 3, spring 220 drive conical block 23 resets, and when conical block 23 was close to the bell jar inner wall, under the hydraulic combined action in spring 220 and the water gauge body 1 for rubber pad 230 elastic deformation and fill between conical block 23 and bell jar, realize sealed effect.

Example two:

the difference between the first embodiment and the second embodiment is that, as shown in fig. 1 and fig. 3, the flexible sealing layer is a plurality of annular air bags 232, the conical surface of the conical block 23 is provided with annular grooves, the annular air bags 232 are adhered in the annular grooves, and the annular air bags 232 are arranged at intervals along the generatrix direction of the conical block 23. Be equipped with the air cavity in the mount pad 21, be equipped with piston 212 in the air cavity, piston 212 cuts off the air cavity and is first cavity 213 and second cavity 214, first cavity 213 of slide opening 211 intercommunication, slide opening 211 inboard is equipped with sealing washer 215, realize slide bar 22 and slide opening 211 sliding seal and be connected, the one end and the coaxial rigid coupling of piston 212 that slide bar 22 is located first cavity 213, still include air flue 231, air flue 231 comprises the part that is located on tapered block 23 and the part that is located on slide bar 22, and two parts communicate to be a whole. One port of the air passage 231 is communicated with the air bag, and the other port of the air passage 231 forms an opening 221 at the end of the slide rod 22.

When the conical block 23 moves towards the conical groove, the piston 212 compresses the air in the first chamber 213, so that the air in the first chamber 213 enters the annular air bag 232 through the air passage 231, the annular air bag 232 is inflated, the annular air bag 232 is expanded, the annular air bag 232 can be elastically supported between the conical surface of the conical block 23 and the inner wall of the conical groove, and the sealing effect is effectively improved;

when the conical block 23 moves away from the conical groove, the piston 212 compresses the air in the second chamber 214, and the second chamber 214 generates negative pressure, so that the air in the annular air bag 232 is pumped out, the annular air bag 232 is contracted, and the passage area between the conical block 23 and the conical groove is increased.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. A water meter capable of conveniently measuring pressure comprises a water meter body, a water inlet and a water outlet are arranged on the water meter body, a pressure measuring port for connecting a pressure gauge is also arranged on the water meter body, and the water meter is characterized in that,

the automatic valve comprises a valve body, a cavity is arranged in the valve body, one end of the valve body is provided with a first threaded hole, the other end of the valve body is provided with a second threaded hole, the first threaded hole and the second threaded hole are both communicated with the cavity, the first threaded hole is in threaded connection with the pressure measuring port, and the water inlet end of the pressure gauge can be in threaded connection with the second threaded hole;

a tapered cavity which is communicated with each other is arranged between the cavity and the second threaded hole, and the tapered cavity is gradually reduced from the cavity to the second threaded hole;

a mounting seat is fixedly arranged in the cavity, a sliding rod which is coaxial with the conical cavity is connected to the mounting seat in a sliding manner, a conical block is coaxially and fixedly connected to the outer end of the sliding rod, the conical block can be matched with the conical cavity to be plugged along with the sliding of the conical block away from the mounting seat, a spring is sleeved on the sliding rod, the spring is elastically supported between the conical block and the mounting seat, and a flexible sealing layer is arranged on the conical surface of the conical block;

the one end of toper piece orientation second screw hole is the revolving stage, be equipped with the notch of a plurality of intercommunication mesa and side on the revolving stage.

2. A pressure testing facilitating water meter as claimed in claim 1, wherein said flexible sealing layer is rubber gasket.

3. The water meter capable of conveniently measuring pressure according to claim 1,

the flexible sealing layer is a plurality of annular air bags which are arranged at intervals along the generatrix direction of the conical block,

an air cavity is arranged in the mounting seat, a piston is arranged in the air cavity, the piston partitions the air cavity into a first cavity and a second cavity, a sliding hole communicated with the first cavity is formed in the mounting seat, the sliding rod is connected with the sliding hole in a sliding and sealing manner, one end of the sliding rod, which is positioned in the first cavity, is coaxially and fixedly connected with the piston,

the air bag type air bag device further comprises an air passage arranged on the conical block and the sliding rod, one port of the air passage is communicated with the air bag, and the other port of the air passage forms an opening at the end part of the sliding rod.

4. A water meter for facilitating pressure measurement according to claim 3, wherein a sealing ring is provided inside the slide hole.

5. The water meter capable of conveniently measuring pressure as claimed in claim 1, wherein a screw plug can be connected to the second screw hole when the pressure gauge is not connected to the second screw hole.