CN218865347U

CN218865347U - Pressure measuring device

Info

Publication number: CN218865347U
Application number: CN202223273148.1U
Authority: CN
Inventors: 李晴; 梁栋科; 吴德华
Original assignee: Zhuhai Derui Medical Equipment Co ltd
Current assignee: Zhuhai Derui Medical Equipment Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-04-14
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a pressure measuring device, include: the input assembly comprises an input pipe and a first backstop, and one end of the input pipe is communicated with the first backstop; the high-pressure pump is communicated with the first backstop at one side; and the output assembly comprises an output pipe and a second backstop, the second backstop is communicated with the other side of the high-pressure pump, and one end of the output pipe is communicated with the second backstop. According to the arrangement, when liquid enters from the input pipe, the liquid smoothly enters the high-pressure pump through the first check piece, the second check piece prevents the liquid from flowing out of the output pipe, when the high-pressure pump performs pressurization test on the liquid in the pump, the liquid is output from the output pipe through the second check piece, the first check piece limits the backflow of the liquid from the input pipe, the liquid is effectively prevented from leaking, and the test accuracy is improved.

Description

Pressure measuring device

Technical Field

The utility model relates to a medical pressure measurement technical field, in particular to pressure measurement device.

Background

Medical pressure measurement devices are commonly used for testing the pressure of fluids, which are generally under high pressure during testing.

The existing pressure measuring device can only measure pressure, and liquid backflow cannot be prevented in the test process, so that the pressure value measured by a test end is possibly inaccurate, and the measurement result is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a pressure measuring device prevents that liquid from leaking from the input.

According to the utility model discloses a pressure measuring device of embodiment, include:

the input assembly comprises an input pipe and a first backstop, and one end of the input pipe is communicated with the first backstop;

the high-pressure pump is communicated with the first backstop at one side;

and the output assembly comprises an output pipe and a second backstop, the second backstop is communicated with the other side of the high-pressure pump, and one end of the output pipe is communicated with the second backstop.

According to the utility model discloses a pressure measuring device has following beneficial effect at least: when liquid enters from the input pipe, the liquid smoothly enters the high-pressure pump through the first check piece, the second check piece prevents the liquid from flowing out from the output pipe, when the high-pressure pump performs pressurization test on the liquid in the pump, the liquid passes through the second check piece and is output from the output pipe, and the first check piece limits the backflow and outflow of the liquid from the input pipe, so that the leakage of the liquid is effectively prevented, and the test accuracy is improved.

According to some embodiments of the invention, the first stop and the second stop are both arranged as a high pressure check valve.

According to some embodiments of the invention, the input pipe and the output pipe are both arranged as a high-pressure pipe.

According to some embodiments of the invention, the high-pressure pump and the second backstop, and the second backstop and all be provided with the crossover sub between the output tube.

According to some embodiments of the utility model, be provided with the manometer on the high-pressure pump.

According to some embodiments of the invention, the first stop and the second stop are provided as stop valves.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a pressure measuring device according to an embodiment of the present invention;

fig. 2 is an exploded view of one of the load cells shown in fig. 1.

Input assembly 100, input tube 110, first backstop 120;

a high pressure pump 200, a pressure gauge 210;

output assembly 300, output tube 310, second backstop 320, adapter 330.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, a pressure measuring apparatus according to an embodiment of the present invention includes an input assembly 100 including an input pipe 110 and a first stopper 120, one end of the input pipe 110 communicating with the first stopper 120; a high pressure pump 200 having one side communicating with the first backstop 120; output assembly 300 includes an output pipe 310 and a second stopper 320, second stopper 320 communicates with the other side of high pressure pump 200, and one end of output pipe 310 communicates with second stopper 320.

According to the utility model discloses a pressure measuring device has following beneficial effect at least: when the liquid enters from the input pipe 110, the liquid smoothly passes through the first check 120 and enters the high-pressure pump 200, the second check 320 prevents the liquid from flowing out from the output pipe 310, when the high-pressure pump 200 performs a pressurization test on the liquid in the pump, the liquid passes through the second check 320 and is output from the output pipe 310, and the first check 120 restricts the backflow and outflow of the liquid from the input pipe 110, so that the leakage of the liquid is effectively prevented, and the test accuracy is improved.

According to some embodiments of the utility model, referring to fig. 1 and 2, first backstop 120 and second backstop 320 all set up to high-pressure check valve, when high-pressure pump 200 increased pressure for liquid in the pump, liquid can not pass through from the high-pressure check valve of first backstop 120 side is reverse, liquid pressure reaches the opening pressure of the high-pressure check valve of second backstop 320 side simultaneously, can effectively prevent liquid reflux to input tube 110 and leak, the liquid that is full of pressure simultaneously will be exported from output tube 310 by oneself, need not the manual work valve that opens and shuts.

According to some embodiments of the present invention, referring to fig. 1 and 2, the input pipe 110 and the output pipe 310 are both provided as high pressure pipes.

According to some embodiments of the present invention, referring to fig. 1 and 2, the switching joints 330 are disposed between the high pressure pump 200 and the second backstop 320, and between the second backstop 320 and the output pipe 310, and the second backstop 320 and the output pipe 310 with different pipe diameters can be replaced more conveniently through the switching joints 330.

According to some embodiments of the utility model, referring to fig. 1 and 2, be provided with manometer 210 on the high-pressure pump 200, show through manometer 210's numerical value, it is more directly perceived when can making the pressure measurement.

According to some embodiments of the present invention, first backstop 120 and second backstop 320 are provided as shut-off valves through which the opening and closing of input pipe 110 and output pipe 310 can be conveniently controlled.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A pressure measurement device, comprising:

the high-pressure pump is communicated with the first backstop at one side;

2. The pressure measuring device according to claim 1, wherein the first and second non-return members are each provided as a high-pressure non-return valve.

3. A pressure measuring device according to claim 2, wherein the inlet conduit and the outlet conduit are provided as high pressure conduits.

4. The pressure measuring device according to claim 2, wherein a crossover joint is provided between the high pressure pump and the second non-return, and between the second non-return and the output pipe.

5. A pressure measuring device according to any one of claims 1 to 4, wherein a pressure gauge is provided on the high pressure pump.

6. A pressure measuring device according to claim 1, wherein the first and second stops are provided as shut-off valves.