CN219224011U

CN219224011U - Novel pressure switch

Info

Publication number: CN219224011U
Application number: CN202223224752.5U
Authority: CN
Inventors: 赵跃; 李福明; 温杰; 邓金松
Original assignee: Zhejiang Yaoda Intelligent Sci Tech Co ltd
Current assignee: Zhejiang Yaoda Intelligent Sci Tech Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-06-20
Anticipated expiration: 2032-12-02

Abstract

The utility model belongs to the technical field of pressure switches, and particularly relates to a novel pressure switch which comprises a shell, wherein a control device is arranged in the shell and comprises a motor, a forward and reverse rotation switch, a control switch, a lifting block, a rotating rod and a connecting rope. This novel pressure switch, when water gets into the installation section of thick bamboo from the water pipe, water extrudees the piston board for the pressure of manometer increases, when pressure reaches the maximum pressure value of settlement, can make the motor start, the pivot drives the dwang and rotates, the dwang can twine connecting rope, connecting rope can be with the connecting rod pulling, and then let the installation piece drive the lifter and reciprocate, the lifter extrudees control switch, make control switch control electric telescopic handle start, and then promote the shrouding, the hydroenergy in the messenger installation section of thick bamboo can flow down, let the water pressure reduce, make manometer pressure value reduce, control switch can extrude the lifter, make electric telescopic handle retract, the shrouding seals the installation section of thick bamboo again.

Description

Novel pressure switch

Technical Field

The utility model relates to the technical field of pressure switches, in particular to a novel pressure switch.

Background

The pressure switch is a simple pressure control device, when the measured pressure reaches the rated value, the pressure switch can send out an alarm or control signal, and the working principle of the pressure switch is as follows: when the measured pressure exceeds the rated value, the free end of the elastic element generates displacement, and the switch element is pushed directly or after comparison, so that the on-off state of the switch element is changed, and the purpose of controlling the measured pressure is achieved.

In a mechanical pressure switch (application number: 201320504148. X) of a water pump disclosed in the chinese patent net, although a pressure change of a pressure gauge is used to control a pressure spring, so as to control the pressure switch, an elastic effect of the pressure spring is deteriorated during a long-time use, so that a control force of the pressure switch is reduced, and therefore, a control mechanism needs to be improved.

Disclosure of Invention

Based on the technical problem that the control effect of the existing pressure switch is poor, the utility model provides a novel pressure switch.

The novel pressure switch comprises a shell, wherein a control device is arranged in the shell and comprises a motor, a forward and reverse rotation switch, a control switch, a lifting block, a rotating rod and a connecting rope, the forward and reverse rotation switch controls the motor to start to enable the rotating rod to rotate, the connecting rope is wound by the rotating rod to enable the lifting block to move, and the lifting block extrudes the control switch to enable the lifting block to start.

Preferably, the motor is fixedly arranged in the shell, the rotating rod is fixedly connected to the rotating shaft of the motor, the connecting rope is fixedly connected to the outer surface of the rotating shaft and is wound on the outer surface of the rotating shaft, and the fixing rod is fixedly arranged in the shell;

through above-mentioned technical scheme, the pivot drives the dwang and rotates when the motor starts, and the dwang can twine the connecting rope.

Preferably, the lifting block is in sliding connection with the outer surface of the fixed rod, the outer surface of the lifting block is fixedly provided with the mounting block, the upper surface of the mounting block is fixedly provided with the connecting rod, and one end of the connecting rope is fixedly connected with the upper surface of the connecting rod;

through above-mentioned technical scheme, can will be with the connecting rod pulling when connecting the rope winding, and then let the installation piece drive the lifter piece and remove, the lifter piece removes along the dead lever surface.

Preferably, the control switch is fixedly arranged in the shell, an electric telescopic rod is fixedly arranged in the shell, the electric telescopic rod is electrically connected with the control switch through a wire, a sealing plate is fixedly arranged at the top end of the electric telescopic rod, and the sealing plate is slidably inserted in the shell;

through above-mentioned technical scheme, control switch control electric telescopic handle starts, and then promotes the shrouding, and the shrouding card is in the shell, guarantees that the shrouding can keep the straight line to remove.

Preferably, the forward and reverse switch is fixedly arranged in the shell, the forward and reverse switch is electrically connected with the motor through a wire, the pressure gauge is fixedly arranged in the shell, and the pressure surface is electrically connected with the forward and reverse switch through a wire;

through the technical scheme, the forward and reverse rotation switch can control the motor to start, so that the motor rotating shaft can rotate forward or reversely.

Preferably, a mounting cylinder is fixedly arranged in the shell, a water pipe is fixedly communicated in the mounting cylinder, a piston plate is inserted in the mounting cylinder in a sliding manner, a round rod is fixedly arranged on the upper surface of the piston plate, and the outer surface of the round rod is in sliding connection with the lower end of the pressure gauge;

through the technical scheme, water enters the mounting cylinder from the water pipe, and then the piston plate is extruded, so that the pressure of the pressure gauge is increased.

The beneficial effects of the utility model are as follows:

through setting up controlling means, when water gets into the mounting cylinder from the water pipe, water extrudees the piston plate, make the pressure increase of manometer, when pressure reaches the maximum pressure value of settlement, can make the motor start, the pivot drives the dwang and rotates, the dwang can twine connecting rope, connecting rope can pull the connecting rod, and then let the installation piece drive the lifter and reciprocate, the lifter extrudees control switch, make control switch control electric telescopic handle start, and then promote the shrouding, enable the hydroenergy in the mounting cylinder to flow down, let the water pressure reduce, make manometer pressure value reduce, until the pressure value reaches the minimum pressure value of settlement, can make positive and negative rotation switch stop, and then let motor pivot gyration, let control switch can extrude the lifter, make electric telescopic handle retract, the mounting cylinder is sealed again, connecting rope adopts firm material, can not influence the control effect, the effect of preventing pressure switch control effect variation has been reached.

Drawings

FIG. 1 is a schematic diagram of a novel pressure switch according to the present utility model;

FIG. 2 is a perspective view of a lifting block structure of a novel pressure switch according to the present utility model;

fig. 3 is a sectional view of a mounting cylinder structure of a novel pressure switch according to the present utility model.

In the figure: 1. a housing; 11. a fixed rod; 12. an electric telescopic rod; 13. a sealing plate; 14. a pressure gauge; 15. a mounting cylinder; 16. a water pipe; 17. a piston plate; 18. a round bar; 2. a motor; 3. a forward/reverse rotation switch; 4. a control switch; 5. a lifting block; 51. a mounting block; 52. a connecting rod; 6. a rotating lever; 7. and (5) connecting ropes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a novel pressure switch comprises a housing 1, wherein a control device is arranged in the housing 1 for conveniently controlling a lifting block 5, the control device comprises a motor 2, a forward and reverse rotation switch 3, a control switch 4, the lifting block 5, a rotating rod 6 and a connecting rope 7, the forward and reverse rotation switch 3 controls the motor 2 to start to enable the rotating rod 6 to rotate, the rotating rod 6 winds the connecting rope 7 to enable the lifting block 5 to move, and the lifting block 5 extrudes the control switch 4 to enable the control switch 4 to start.

For convenient control connecting rope 7, motor 2 fixed mounting is in the inside of shell 1, and dwang 6 fixed connection is in the pivot of motor 2, and connecting rope 7 fixed connection is at the surface of pivot and winding at the pivot surface, and the inside fixed mounting of shell 1 has dead lever 11, and pivot drives dwang 6 rotation when motor 2 starts, and dwang 6 can twine connecting rope 7.

For convenient control connecting rope 7 pulls lifting block 5, lifting block 5 sliding connection is at the surface of dead lever 11, and lifting block 5's surface fixed mounting has installation piece 51, and the last fixed surface of installation piece 51 installs connecting rod 52, and connecting rope 7's one end and connecting rod 52's last fixed surface are connected, can pull connecting rod 52 when connecting rope 7 twines, and then let installation piece 51 drive lifting block 5 and remove, and lifting block 5 removes along dead lever 11 surface.

In order to guarantee that shrouding 13 can keep the straight line to remove, control switch 4 fixed mounting is in the inside of shell 1, the inside fixed mounting of shell 1 has electric telescopic handle 12, electric telescopic handle 12 passes through wire and control switch 4 electric connection, electric telescopic handle 12's top fixed mounting has shrouding 13, shrouding 13 sliding grafting is in the inside of shell 1, control switch 4 controls electric telescopic handle 12 and starts, and then promotes shrouding 13, shrouding 13 card is in shell 1, guarantees that shrouding 13 can keep the straight line to remove.

In order to conveniently control the rotation of the rotating shaft of the motor 2, the forward and reverse switch 3 is fixedly arranged in the shell 1, the forward and reverse switch 3 is electrically connected with the motor 2 through a wire, a pressure gauge 14 is fixedly arranged in the shell 1, the surface of the pressure gauge 14 is electrically connected with the forward and reverse switch 3 through a wire, and the forward and reverse switch 3 can control the motor 2 to start so that the rotating shaft of the motor 2 can rotate forward or reversely.

In order to facilitate the control of the forward and reverse rotation switch 3 by the pressure gauge 14, an installation cylinder 15 is fixedly installed in the shell 1, a water pipe 16 is fixedly communicated in the installation cylinder 15, a piston plate 17 is inserted in the installation cylinder 15 in a sliding manner, a round rod 18 is fixedly installed on the upper surface of the piston plate 17, the outer surface of the round rod 18 is in sliding connection with the lower end of the pressure gauge 14, water enters the installation cylinder 15 from the water pipe 16, and then the piston plate 17 is extruded, so that the pressure of the pressure gauge 14 is increased.

Through setting up controlling means, when water gets into the installation section of thick bamboo 15 from water pipe 16, water extrudees piston plate 17, make the pressure of manometer 14 increase, when pressure reaches the maximum pressure value of settlement, can make motor 2 start, the pivot drives dwang 6 rotation, dwang 6 can twine connecting rope 7, connecting rope 7 can pull connecting rod 52, and then let installation piece 51 drive lifter 5 come up, lifter 5 extrudees control switch 4, make control switch 4 control electric telescopic handle 12 start, and then promote shrouding 13, make the water in the installation section of thick bamboo 15 can flow down, let the water pressure reduce, make manometer 14 pressure value reduce, until the pressure value reaches the minimum pressure value of settlement, can make positive and negative switch 3 stop, and then let motor 2 pivot gyration, let control switch 4 can extrude lifter 5, make electric telescopic handle 12 retract, 13 reseal installation section of thick bamboo 15, the firm material of connecting rope 7 adoption, can not influence the control effect, the effect of preventing the pressure switch control effect has been reached.

Working principle: when water enters the mounting cylinder 15 from the water pipe 16, the water extrudes the piston plate 17, so that the pressure of the pressure gauge 14 is increased, the motor 2 is started until the pressure reaches a set maximum pressure value, the rotating shaft drives the rotating rod 6 to rotate, the rotating rod 6 winds the connecting rope 7, the connecting rope 7 pulls the connecting rod 52, the mounting block 51 drives the lifting block 5 to move upwards, the lifting block 5 extrudes the control switch 4, the control switch 4 controls the electric telescopic rod 12 to start, the sealing plate 13 is pushed, water in the mounting cylinder 15 can flow down, the water pressure is reduced, the pressure value of the pressure gauge 14 is reduced until the pressure value reaches the set minimum pressure value, the forward and reverse rotating switch 3 is stopped, the rotating shaft of the motor 2 is rotated, the control switch 4 can extrude the lifting block 5, the electric telescopic rod 12 is retracted, the mounting cylinder 15 is sealed by the sealing plate 13 again, and the connecting rope 7 adopts a firm material, so that the control effect cannot be influenced.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. A novel pressure switch, comprising a housing (1), characterized in that: the inside of shell (1) is provided with controlling means, controlling means includes motor (2), positive and negative switch (3), control switch (4), lifter (5), dwang (6) and connecting rope (7), positive and negative switch (3) control motor (2) start make dwang (6) rotate, dwang (6) twine connecting rope (7) make lifter (5) remove, lifter (5) extrusion control switch (4) make it start.

2. The novel pressure switch of claim 1, wherein: the motor (2) is fixedly arranged in the shell (1), the rotating rod (6) is fixedly connected to the rotating shaft of the motor (2), the connecting rope (7) is fixedly connected to the outer surface of the rotating shaft and is wound on the outer surface of the rotating shaft, and the fixing rod (11) is fixedly arranged in the shell (1).

3. The novel pressure switch of claim 2, wherein: the lifting block (5) is slidably connected to the outer surface of the fixed rod (11), the installation block (51) is fixedly installed on the outer surface of the lifting block (5), the connecting rod (52) is fixedly installed on the upper surface of the installation block (51), and one end of the connecting rope (7) is fixedly connected with the upper surface of the connecting rod (52).

4. The novel pressure switch of claim 1, wherein: the control switch (4) is fixedly arranged in the shell (1), an electric telescopic rod (12) is fixedly arranged in the shell (1), the electric telescopic rod (12) is electrically connected with the control switch (4) through a wire, a sealing plate (13) is fixedly arranged at the top end of the electric telescopic rod (12), and the sealing plate (13) is slidably inserted in the shell (1).

5. The novel pressure switch of claim 1, wherein: the positive and negative switch (3) is fixedly arranged in the shell (1), the positive and negative switch (3) is electrically connected with the motor (2) through a wire, the pressure gauge (14) is fixedly arranged in the shell (1), and the surface of the pressure gauge (14) is electrically connected with the positive and negative switch (3) through a wire.

6. The novel pressure switch of claim 5, wherein: the inside fixed mounting of shell (1) has a mounting cylinder (15), the inside fixed intercommunication of mounting cylinder (15) has water pipe (16), the inside slip grafting of mounting cylinder (15) has piston board (17), the upper surface fixed mounting of piston board (17) has round bar (18), the surface of round bar (18) and the lower extreme sliding connection of manometer (14).