CN215639901U

CN215639901U - Pressure transmitter for water pump

Info

Publication number: CN215639901U
Application number: CN202121682191.6U
Authority: CN
Inventors: 徐靖
Original assignee: Huai'an Zhongsu Industrial Control Instrument Co ltd
Current assignee: Huai'an Zhongsu Industrial Control Instrument Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-01-25
Anticipated expiration: 2031-07-22

Abstract

The utility model relates to the technical field of instruments and discloses a pressure transmitter for a water pump. This pressure transmitter that water pump was used, through set up the buffering separation blade in rivers contact pressure sensor's route, make the route of rivers flow direction sensor's diaphragm avoid the direction just to the diaphragm, the fluid is full of the pressure water hole with the form of violent turbulent flow all around, fluid impact force has been consumed, avoid pressure sensor's diaphragm to be punctured by rivers, the outside dust pipe that the changer is connected with the water pump, make the junction not directly expose in external environment, the junction is difficult to leak and advance the ash, the reliability of changer during operation has been improved.

Description

Pressure transmitter for water pump

Technical Field

The utility model relates to the technical field of instruments, in particular to a pressure transmitter for a water pump.

Background

The pressure transmitter is a device for converting pressure into pneumatic signal or electric signal to control and remotely transmit, and can convert the physical pressure parameters of gas, liquid and the like sensed by the load cell sensor into standard electric signals to be supplied to secondary instruments such as indication alarm instruments, recording instruments, regulators and the like for measurement, indication and process regulation.

Pressure transmitter for common water pump is when just installing the use, and its inside pressure sensor's diaphragm is punctured easily under the impact of rapid rivers, causes the inefficacy of changer, and is connected through the two-way pipe between general changer and the water pump, and the junction need twine the thread seal area, and the thread seal area exposes and easily takes place oxidation and creep in the air, and the thread seal area inefficacy leads to the junction to leak or advance the ash, provides the pressure transmitter for the water pump for this reason.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the pressure transmitter for the water pump, which has the advantages of stability, durability and the like, and solves the problems that the diaphragm of the pressure transmitter is easy to be punctured because the diaphragm of the pressure sensor is directly exposed in water flow, and the connection part of the pressure transmitter and a water pump is easy to leak water or enter dust because a raw material belt at the connection part of the pressure transmitter and the water pump is easy to lose efficacy, and the like, which can not meet the working requirement of the pressure transmitter.

(II) technical scheme

In order to achieve the purpose of preventing the pressure sensor diaphragm from being broken down, the utility model provides the following technical scheme: a pressure transmitter for a water pump comprises a base, wherein a dustproof pipe is fixed on the lower surface of the middle of the base through a threaded structure, a pressure water hole is formed in the lower surface of the base, the upper half of the base is of a cylindrical pipe body structure, a pressure sensor is installed in the cylindrical pipe body of the base, an O-shaped sealing ring wraps the outer surface of the bottom of the pressure sensor, the pressure sensor is of a stepped shaft structure, a rubber pad is attached to the bottom surface of a stepped portion of the pressure sensor, the lower surface of the rubber pad is attached to the upper surface of the bottom of an inner cavity of the cylindrical pipe body of the base, a metal pipe is arranged at the top of the pressure sensor, an air guide pipe is sleeved inside the metal pipe, a cushion pad is installed on the upper surface of the pressure sensor, a shell is sleeved on the outer surface of the upper portion of the base through a threaded structure, and the lower surface of the middle of the shell is attached to the upper surface of the cushion pad, the inner chamber surface of casing is fixed with insulating sleeve through interference fit's mode, the circuit board is installed to insulating sleeve's inner chamber, the top of circuit board is connected with the silica gel line, the top of casing is connected with the heusmann joint through helicitic texture, and passes through the silica gel line connection between heusmann joint and the circuit board.

Preferably, the bottom end lower surface of the dustproof pipe is slightly higher than the bottom lower surface of the base.

Preferably, the pressure water hole is a stepped hole structure with a wide upper part and a narrow lower part, an annular groove is formed in the inner wall surface of the wide section of the pressure water hole, and a buffering blocking piece is arranged inside the annular groove.

Preferably, an O-ring seal is disposed between the contact surfaces of the base and the housing.

(III) advantageous effects

Compared with the prior art, the utility model provides the pressure transmitter for the water pump, which has the following beneficial effects:

1. according to the pressure transmitter for the water pump, the buffering blocking piece is arranged in the path of the water flow contacting the pressure sensor, so that the path of the water flow flowing to the diaphragm of the sensor avoids the direction opposite to the diaphragm, the fluid is filled with the pressure water holes in a violent turbulent flow form from the periphery, the impact force of the fluid is consumed, and the diaphragm of the pressure sensor is prevented from being broken down by the water flow;

2. this pressure transmitter that water pump was used adds through the outside of being connected at the changer with the water pump and establishes the dustproof pipe for the junction does not directly expose in external environment, and the junction is difficult to leak and advances the ash, has improved the reliability of changer during operation.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: 1. a base; 2. a dust-proof pipe; 3. a pressure water hole; 4. a pressure sensor; 5. an O-shaped sealing ring; 6. a rubber pad; 7. a metal tube; 8. an air duct; 9. a cushion pad; 10. a housing; 11. an insulating sleeve; 12. a circuit board; 13. a silicone wire; 14. a Hofmann joint; 15. an annular groove; 16. buffer the separation blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution, a pressure transmitter for a water pump, including a base 1, a dust tube 2, a pressure water hole 3, a pressure sensor 4, an O-ring 5, a rubber pad 6, a metal tube 7, an air duct 8, a buffer pad 9, a housing 10, an insulating sleeve 11, a circuit board 12, a silica gel line 13, a heumann joint 14, an annular groove 15, and a buffer stop piece 16, wherein the dust tube 2 is fixed on a lower surface of a middle portion of the base 1 through a threaded structure, the dust tube 2 enhances a sealing property at a connection between the transmitter and the water pump, so that a connection is not easy to enter ash or leak water, a lower surface of a bottom end of the dust tube 2 is slightly higher than a lower surface of the bottom of the base 1, the lower surface of the base 1 is provided with a pressure water hole 3, the pressure water hole 3 is a stepped hole structure with a wide top and a narrow bottom, and an inner wall surface of a wide section of the pressure water hole is provided with the annular groove 15, the annular groove is internally provided with a buffer stop piece 16, the path of water flow towards the diaphragm of the sensor avoids the direction opposite to the diaphragm, fluid is filled with pressure water holes in a violent turbulent flow form from the periphery, the impact force of the fluid is consumed, the diaphragm of the pressure sensor is prevented from being punctured by the water flow, the upper half part of the base 1 is of a cylindrical pipe body structure, the pressure sensor 4 is arranged in the cylindrical pipe body of the base 1, the outer surface of the bottom of the pressure sensor 4 is wrapped with an O-shaped sealing ring 5, the pressure sensor 4 is of a stepped shaft structure, the bottom surface of the stepped part of the pressure sensor 4 is attached with a rubber pad 6, the rubber pad 6 expands and extrudes the pressure sensor 4 to play a role in stably fixing the pressure sensor 4 in the inner cavity of the base 1, the lower surface of the rubber pad 6 is attached with the upper surface of the bottom of the inner cavity of the cylindrical pipe body of the base 1, the top of the pressure sensor 4 is provided with a metal pipe 7, the inside cover of tubular metal resonator 7 is equipped with air duct 8, pressure sensor 4's last surface mounting has blotter 9, the casing 10 has been cup jointed through helicitic texture to the upper portion surface of base 1, and the middle part lower surface of casing 10 and the upper surface laminating of blotter 9, the inner chamber surface of casing 10 is fixed with insulating sleeve 11 through interference fit's mode, circuit board 12 is installed to insulating sleeve 11's inner chamber, circuit board 12's top is connected with silica gel line 13, the top of casing 10 is connected with the huosman through helicitic texture and connects 14, and connect through silica gel line 13 between huosman joint 14 and the circuit board.

The working process of the device is as follows: the water pump and the transmitter are connected by using the two-way pipe, the dustproof pipe is sleeved outside the joint of the two-way pipe and the base 1, the gap of the joint is wound by using the raw material belt, when water flows to the diaphragm of the pressure sensor 4 from the pressure water hole 3, the water is firstly blocked by the buffer blocking piece 16, the fluid flows to the pressure sensor 4 from the gap between the side edge of the buffer blocking piece 16 and the inner wall of the annular groove 15, the pressure water hole 3 is filled with the fluid, the pressure in the pressure water hole 3 is detected by the pressure sensor 4, a physical signal is transmitted to the circuit board 12 through the air duct 8, the circuit board 12 converts the physical signal into an electric signal of a standard protocol, and finally, the electric signal is transmitted to the Schemann joint 14 through the silica gel line 13.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pressure transmitter for a water pump, comprising a base (1), characterized in that: the middle lower surface of the base (1) is fixed with a dustproof pipe (2) through a threaded structure, a pressure water hole (3) is formed in the lower surface of the base (1), the upper half of the base (1) is of a cylindrical pipe body structure, a pressure sensor (4) is installed in the cylindrical pipe body of the base (1), an O-shaped sealing ring (5) wraps the outer surface of the bottom of the pressure sensor (4), the pressure sensor (4) is of a stepped shaft structure, a rubber pad (6) is attached to the bottom of a stepped part of the pressure sensor (4), the lower surface of the rubber pad (6) is attached to the upper surface of the bottom of an inner cavity of the cylindrical pipe body of the base (1), a metal pipe (7) is arranged at the top of the pressure sensor (4), an air guide pipe (8) is sleeved in the metal pipe (7), and a cushion (9) is installed on the upper surface of the pressure sensor (4), the utility model discloses a high-voltage circuit breaker, including base (1), casing (10) have been cup jointed through helicitic texture to the upper portion surface of base (1), and the middle part lower surface of casing (10) and the upper surface laminating of blotter (9), the inner chamber surface of casing (10) is fixed with insulating sleeve (11) through interference fit's mode, circuit board (12) are installed to the inner chamber of insulating sleeve (11), the top of circuit board (12) is connected with silica gel line (13), the top of casing (10) is connected with the slam man through helicitic texture and connects (14), and is connected through silica gel line (13) between slam man joint (14) and the circuit board.

2. The pressure transmitter for a water pump of claim 1, wherein: the position of the lower surface of the bottom end of the dustproof pipe (2) is slightly higher than the position of the lower surface of the bottom of the base (1).

3. The pressure transmitter for a water pump of claim 1, wherein: the pressure water hole (3) is of a stepped hole structure with a wide upper part and a narrow lower part, an annular groove (15) is formed in the inner wall surface of the wide section of the pressure water hole, and a buffering blocking piece (16) is arranged inside the annular groove.

4. The pressure transmitter for a water pump of claim 1, wherein: an O-shaped sealing ring (5) is arranged between the contact surfaces of the base (1) and the shell (10).