CN214616952U

CN214616952U - A Diaphragm Pump Preventing System Pressure Too High

Info

Publication number: CN214616952U
Application number: CN202120634958.1U
Authority: CN
Inventors: 叶创明
Original assignee: ET TECHNOLOGY Ltd
Current assignee: ET TECHNOLOGY Ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-11-05
Anticipated expiration: 2031-03-29

Abstract

The utility model provides a diaphragm pump for preventing system pressure from being too high. The water inlet and outlet are provided with a water inlet channel and a water outlet channel, and the water outlet channel is provided with a pressure measuring structure, and the pressure measuring structure is installed between the water inlet and outlet nozzle and the upper cover. The pressure structure can measure the water pressure of the water outlet and cut off the power supply when the water pressure is too large, and the diaphragm pump structure can generate negative pressure to guide the liquid from the water inlet channel to the water outlet channel. The utility model is provided with a pressure measuring structure at the water outlet channel, the pressure measuring structure is installed between the water inlet and outlet nozzles and the upper cover, and the pressure measuring structure can measure the water pressure of the water outlet, and timely when the water pressure is too high Cut off the power supply to avoid excessive water pressure at the water outlet, which will affect the use effect.

Description

Diaphragm pump for preventing system pressure from being too high

Technical Field

The utility model relates to a diaphragm pump technical field especially relates to a prevent diaphragm pump of system's pressure superelevation.

Background

Under the working state, the diaphragm booster pump continuously provides large water pressure for the filtering membrane, so that noise is generated. And along with the improvement of energy-saving standard and the popularization of large flux films, the working pressure provided by the diaphragm booster pump is required to be higher and higher, so that the diaphragm booster pump can open the pressure relief device more easily, and the diaphragm booster pump generates larger pressure relief noise. Diaphragm pump on the existing market is at the pressure boost in-process, along with output water pressure's rising, noise meeting sharp-pointed sound that especially sends by pressure relief device when the pressure release seriously influences masses and uses and experience.

The diaphragm pump needs to have a comparatively stable ideal pressure release pressure regulating mechanism in the use, and present pressure release pressure regulating mechanism is mostly adjusted through the pressure regulating mechanism of peripheral hardware, and this kind of pressure regulating pressure releasing mechanism can not be in time, and abundant pressure release has the potential safety hazard.

There is a need for a stable diaphragm pump structure that can solve the above problems by timely shutting down the power supply when the system pressure is too high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prevent diaphragm pump that system pressure is too high through carrying out technical transformation to current diaphragm pump equipment, has solved inconvenient problem when current structure diaphragm pump water pressure is too high.

In order to solve the technical problem, the utility model discloses specifically adopt following technical scheme:

a diaphragm pump for preventing over-pressurization of a system, comprising: upper cover, business turn over water are chewed, pressure measurement structure and diaphragm pump structure, between upper cover and business turn over water are chewed, pass through screw fixed connection between business turn over water and the diaphragm pump structure, business turn over water is chewed and is provided with inlet channel and outlet channel, and inlet channel links to each other with the water inlet, and outlet channel links to each other with the delivery port, outlet channel department is provided with the pressure measurement structure, the pressure measurement structrual installation is between business turn over water is chewed and the upper cover, the pressure measurement structure can measure the water pressure size of delivery port and cut off power supply when water pressure is too big, and inlet channel links to each other with the input of diaphragm pump structure, and outlet channel links to each other with the output of diaphragm pump structure, the diaphragm pump structure can produce the negative pressure and leads outlet channel with liquid from inlet channel.

Preferably, the pressure measurement structure includes switch fixing base, pressure switch, pressure measurement subassembly and pressure release diaphragm, the switch fixing base is fixed in upper cover bottom surface department, pressure switch installs on the switch fixing base, the pressure switch lower extreme links to each other with pressure measurement subassembly, the exhalant canal that business turn over water chews upwards the intercommunication and is provided with the cushion chamber, the top surface is sealed by the pressure release diaphragm on the cushion chamber, pressure release diaphragm top is provided with pressure measurement subassembly, be provided with pressure sensor in the pressure switch, pressure sensor can measure the water pressure in the cushion chamber through pressure measurement subassembly, pressure switch can be at the too big time cut-off power of water pressure.

Preferably, the pressure measuring component includes movable valve, pressure release spring and unable adjustment base, and unable adjustment base sets up in pressure release diaphragm top and inconsistent with pressure release diaphragm periphery, the through-hole has been seted up at the unable adjustment base middle part, be provided with the movable valve in the through-hole, the movable valve passes the through-hole and contradicts with pressure release diaphragm middle part, the spring groove has been seted up to movable valve up end department, the pressure release spring has been placed to the spring inslot, pressure release spring one end compresses tightly in the spring groove bottom, and the pressure release spring other end is contradicted with the switch fixing base, the movable valve still links to each other with pressure switch, the movable valve can be in unable adjustment base activity from top to bottom.

Preferably, the bottom surface of the switch fixing seat is provided with a protruding part in a protruding manner, the protruding part can be fixedly embedded in the spring, the bottom surface of the switch fixing seat is further provided with a through groove, the lower end of the pressure switch is provided with a push rod, the push rod penetrates through the through groove to be abutted to the upper end face of the movable valve, and the push rod is connected with the pressure sensor.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses be provided with the pressure measurement structure in water outlet channel department, pressure measurement structrual installation is between business turn over water nozzle and upper cover, the water pressure size of delivery port can be measured to the pressure measurement structure, in time cuts off the power supply when water pressure is too high, avoids delivery port water pressure too high, influences the result of use.

The utility model discloses a be provided with the cushion chamber in delivery channel department, seal the cushion chamber through the pressure release diaphragm, the pressure release diaphragm passes through pressure measuring component and links to each other with pressure switch, through pressure release diaphragm conducted pressure, is measured by pressure switch's sensor perception, can measure the water pressure change in the delivery channel in real time to in time cut off power when water pressure is too high through the default.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the buffer chamber of the present invention;

FIG. 4 is a schematic view of the water inlet passage and the water outlet passage of the present invention;

FIG. 5 is a schematic view of the switch holder and the spring of the present invention;

description of reference numerals: the pressure measuring device comprises an upper cover 1, a water inlet and outlet nozzle 2, a water inlet channel 21, a water outlet channel 22, a buffer cavity 23, a pressure measuring structure 3, a switch fixing seat 31, a protruding part 311, a through groove 312, a pressure switch 32, a push rod 321, a pressure measuring component 33, a movable valve 331, a spring groove 3311, a pressure relief spring 332, a fixing base 333, a through hole 334, a pressure relief diaphragm 34, a diaphragm pump structure 4, a screw 5, a water inlet 6 and a water outlet 7.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings and examples.

As shown in fig. 1 to 5, the present embodiment provides a diaphragm pump for preventing a system pressure from being excessively high, including: upper cover 1, business turn over water are chewed 2, pressure measurement structure 3 and diaphragm pump structure 4, and upper cover 1 and business turn over between water chew 2, business turn over water chew 2 and diaphragm pump structure 4 between through screw 5 fixed connection, business turn over water chew 2 is provided with inhalant canal 21 and exhalant canal 22, and inhalant canal 21 links to each other with water inlet 6, and exhalant canal 22 links to each other with delivery port 7, exhalant canal 22 department is provided with pressure measurement structure 3, pressure measurement structure 3 is installed and is being passed in and out between water chew 2 and upper cover 1, pressure measurement structure 3 can measure the water pressure size of delivery port 7 and cut off the power supply when water pressure is too big, and inhalant canal 21 links to each other with diaphragm pump structure 4's input, and exhalant canal 22 links to each other with diaphragm pump structure 4's output, diaphragm pump structure 4 can produce the negative pressure and lead exhalant canal 22 with liquid from inhalant canal 21.

Further, in order to realize pressure measurement structure 3's side pressure function, pressure measurement structure 3 includes switch fixing base 31, pressure switch 32, pressure measurement subassembly 33 and pressure release diaphragm 34, switch fixing base 31 is fixed in 1 bottom surface department of upper cover, pressure switch 32 installs on switch fixing base 31, pressure switch 32 lower extreme links to each other with pressure measurement subassembly 33, the exhalant canal 22 of business turn over water nozzle 2 upwards communicates and is provided with cushion chamber 23, the upper surface is sealed by pressure release diaphragm 34 on the cushion chamber 23, pressure measurement subassembly 33 is provided with above the pressure release diaphragm 34, be provided with pressure sensor in the pressure switch 32, pressure sensor can measure the water pressure in the cushion chamber 23 through pressure measurement subassembly 33, pressure switch 32 can cut off the power when water pressure is too big.

Further, in order to realize that pressure measurement component 33 can conducted pressure to pressure switch 32, pressure measurement component 33 includes movable valve 331, pressure release spring 332 and unable adjustment base 333, and unable adjustment base 333 sets up in pressure release diaphragm 34 top and inconsistent with pressure release diaphragm 34 periphery, through-hole 334 has been seted up in unable adjustment base 333 middle part, be provided with movable valve 331 in the through-hole 334, movable valve 331 passes through-hole 334 and conflicts with pressure release diaphragm 34 middle part, spring 3311 has been seted up to movable valve 331 up end department, pressure release spring 332 has been placed in the spring 3311, pressure release spring 332 one end compresses tightly in spring 3311 bottom, and the pressure release spring 332 other end conflicts with switch fixing base 31, movable valve 331 still links to each other with pressure switch 32, movable valve 331 can be in unable adjustment base 333 the activity from top to bottom.

Further, in order to facilitate installation of the pressure relief spring 332, pressure can be conducted to the pressure switch 32 through the movable valve 331, a protruding portion 311 is protrudingly arranged on the bottom surface of the switch fixing seat 31, the protruding portion 311 can be fixedly embedded in the spring, a through groove 312 is further formed in the bottom surface of the switch fixing seat 31, a push rod 321 is arranged at the lower end of the pressure switch 32, the push rod 321 penetrates through the through groove 312 to be abutted to the upper end face of the movable valve 331, and the push rod 321 is connected with the pressure sensor.

The utility model has the characteristics of it is following:

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt conventional model among the prior art, and conventional connection mode among the circuit connection adoption prior art is not detailed here again.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or through an intermediary, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

Claims

1. a diaphragm pump that prevents system pressure from being too high, is characterized in that, comprises: upper cover, inlet and outlet nozzles, pressure measuring structure and diaphragm pump structure, between upper cover and inlet and outlet nozzles, inlet and outlet nozzles and diaphragm pump structure They are fixedly connected by screws. The water inlet and outlet nozzles are provided with a water inlet channel and a water outlet channel. The water inlet channel is connected with the water inlet, and the water outlet channel is connected with the water outlet. The water outlet channel is provided with a pressure measuring structure. The pressure structure is installed between the inlet and outlet nozzles and the upper cover. The pressure measuring structure can measure the water pressure of the water outlet and cut off the power supply when the water pressure is too large. The water inlet channel is connected to the input end of the diaphragm pump structure, and the water outlet channel Connected with the output end of the diaphragm pump structure, the diaphragm pump structure can generate negative pressure to guide the liquid from the water inlet channel to the water outlet channel.

2. The diaphragm pump for preventing system pressure from being too high according to claim 1, wherein the pressure measuring structure comprises a switch holder, a pressure switch, a pressure measuring assembly and a pressure relief diaphragm, and the switch is fixed The seat is fixed on the bottom surface of the upper cover, the pressure switch is installed on the switch fixing seat, the lower end of the pressure switch is connected with the pressure measuring assembly, the water outlet channel of the water inlet and outlet nozzle is connected upward and is provided with a buffer cavity, and the buffer cavity is arranged on the upper The top surface is closed by a pressure relief diaphragm, a pressure measuring component is arranged above the pressure relief diaphragm, a pressure sensor is arranged in the pressure switch, and the pressure sensor can measure the water pressure in the buffer chamber through the pressure measuring component, so The pressure switch can cut off the power supply when the water pressure is too high.

3. The diaphragm pump for preventing system pressure from being too high according to claim 2, wherein the pressure measuring assembly comprises a movable valve, a pressure relief spring and a fixed base, and the fixed base is arranged above the pressure relief diaphragm and In conflict with the outer circumference of the pressure relief diaphragm, a through hole is opened in the middle of the fixed base, and a movable valve is arranged in the through hole, and the movable valve passes through the through hole and interferes with the middle of the pressure relief diaphragm, and the movable valve is on the upper part of the pressure relief diaphragm. The end face is provided with a spring groove, a pressure relief spring is placed in the spring groove, one end of the pressure relief spring is pressed against the bottom surface of the spring groove, the other end of the pressure relief spring is in conflict with the switch fixing seat, and the movable valve is also connected to the pressure The switches are connected, and the movable valve can move up and down in the fixed base.

4 . The diaphragm pump for preventing system pressure from being too high according to claim 3 , wherein a protruding portion is protruded from the bottom surface of the switch fixing seat, and the protruding portion can be embedded and fixed with the spring, so the The bottom surface of the switch fixing seat is also provided with a through groove, the lower end of the pressure switch is provided with a push rod, the push rod passes through the through groove and interferes with the upper end surface of the movable valve, and the push rod is connected with the pressure sensor.