CN215172696U

CN215172696U - Pressure relief device of rotor pump

Info

Publication number: CN215172696U
Application number: CN202120598195.XU
Authority: CN
Inventors: 吴柳成
Original assignee: Yingruopai Shanghai Fluid Technology Co ltd
Current assignee: Yingruopai Shanghai Fluid Technology Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-14
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses a pressure relief device of a rotor pump, which comprises a rotor pump, wherein the liquid outlet end of the rotor pump is connected with an L-shaped conduit in a through way, the lower part of the right surface of the L-shaped conduit is connected with an L-shaped pressure relief pipe in a through way, the driving end of a motor I is fixedly connected with a threaded rod, the threaded rod is connected with a nut in a threaded way, the nut is connected with the inner side wall of a regulation cavity in a sliding way, the left surface of the nut is fixedly connected with a sealing block, the right surface of the sealing block is provided with a slot matched with the threaded rod for use, the driving end of a motor II is fixedly connected with a turntable, the lower surface of the turntable is provided with an electric telescopic rod, the driving end of the electric telescopic rod is fixedly connected with a cleaning brush, the pressure relief device can sense the liquid pressure, shunt pressure relief is carried out in time, the safe operation of the rotor pump is beneficial to the protection of the rotor pump, the impurity accumulation and the blockage at the L-shaped pressure relief pipe can be avoided, and the pressure relief effect is better.

Description

Pressure relief device of rotor pump

Technical Field

The utility model relates to an auxiliary pressure relief device technical field, the concrete field is a pressure relief device of impeller pump.

Background

The rotor pump is a pump which changes the working volume through the relative movement between a rotor and a pump body, so that the volume of the pump is changed, and the pump is higher in vacuum degree and discharge pressure, and further the energy of liquid is increased. Is particularly suitable for conveying sanitary media and corrosive and high-viscosity media. However, the rotor pump conveys corrosive media and the media with higher viscosity are easily accumulated at the liquid outlet, so that the liquid outlet of the rotor pump is blocked, the pressure in the liquid outlet rises, the safe operation of the rotor pump is influenced, the bypass pipeline is installed at the position of the liquid outlet pipe of the rotor pump for helping to release the pressure when the rotor pump is used at present, the bypass pipeline is simple in structure and needs to be independently controlled during use, the pressure is not released timely easily, and the bypass pipeline is blocked and is not easy to clean and discharge, therefore, the pressure relief device of the rotor pump is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure relief device of impeller pump to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pressure relief device of rotor pump, includes the rotor pump, the play liquid end through connection of rotor pump has L shape pipe, the right side surface lower part through connection of L shape pipe has L shape pressure release pipe, the right side surface upside through connection of L shape pressure release pipe has the regulation and control chamber, be equipped with motor one on the interior right side surface in regulation and control chamber, the drive end fixedly connected with threaded rod of motor one, threaded connection has the nut on the threaded rod, just the nut with the inside wall sliding connection in regulation and control chamber, fixedly connected with seal block on the left surface of nut, the right surface of seal block is equipped with the cooperation the fluting that the threaded rod used, just seal block sliding connection be in the inside wall of L shape pressure release pipe, the left surface of seal block is equipped with pressure sensors, the surface of L shape pressure release pipe is equipped with the controller.

Preferably, the upper surface right side of L shape pressure release pipe link up and is equipped with clean chamber, the interior upper surface in clean chamber is equipped with motor two, the drive end fixedly connected with carousel of motor two, just the carousel with the inside wall in clean chamber rotates and is connected, the lower surface of carousel is equipped with electric telescopic handle, electric telescopic handle's drive end fixedly connected with cleaning brush.

Preferably, electric telescopic handle establishes the skew central point of lower surface department of putting of carousel, the inside wall lower part fixedly connected with fixed disk in clean chamber, link up on the fixed disk and be equipped with the cooperation the ring channel that electric telescopic handle used, the surface sliding connection of electric telescopic handle's non-flexible end is in the inside of ring channel.

Preferably, the left surface of the sealing block and the lower surface of the fixed disk are both provided with sealing rings.

Preferably, the right part of the L-shaped conduit is provided with a one-way valve.

Preferably, the length of the sealing block is larger than the diameter of the L-shaped pressure relief pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pressure relief device of rotor pump, transmit the pressure signal of response for the controller through pressure sensor, controller control motor makes the threaded rod rotate, it can the horizontal slip to receive the spacing nut in regulation and control chamber on the threaded rod, the nut makes the seal piece slide to the right side, can expose the mouth of pipe of L shape pressure release pipe, can make this pressure relief device response fluid pressure's size, and in time shunt the pressure release, guarantee the safe operation of rotor pump, also be favorable to the protection of rotor pump, rotate through the second motor of controller control clean intracavity, the drive end of second motor is equipped with the carousel, the carousel downside is equipped with electric telescopic handle, electric telescopic handle's downside is established in the ring channel of fixed disk, electric telescopic handle's drive end is equipped with the cleaning brush, can avoid the impurity pile and the jam of L shape pressure release pipe department, make the pressure release effect better.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front view of the internal structure of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a top view of the fixing plate of the present invention.

In the figure: the device comprises a 1-rotor pump, a 2-L-shaped catheter, a 3-L-shaped pressure relief pipe, a 4-regulating cavity, a 5-motor I, a 6-threaded rod, a 7-nut, an 8-sealing block, a 9-slot, a 10-pressure sensor, a 11-controller, a 12-cleaning cavity, a 13-motor II, a 14-rotary table, a 15-electric telescopic rod, a 16-cleaning brush, a 17-annular groove, an 18-sealing ring, a 19-one-way valve and a 20-fixed disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a pressure relief device of a rotor pump comprises a rotor pump 1, wherein a liquid outlet end of the rotor pump 1 is connected with an L-shaped guide pipe 2 in a penetrating manner, the lower portion of the right surface of the L-shaped guide pipe 2 is connected with an L-shaped pressure relief pipe 3 in a penetrating manner, the upper side of the right surface of the L-shaped pressure relief pipe 3 is connected with a regulation and control cavity 4 in a penetrating manner, a motor I5 is arranged on the inner right surface of the regulation and control cavity 4, a threaded rod 6 is fixedly connected with a driving end of the motor I5, a nut 7 is connected onto the threaded rod 6 in a threaded manner, the nut 7 is connected with the inner side wall of the regulation and control cavity 4 in a sliding manner, a sealing block 8 is fixedly connected onto the left surface of the nut 7, a slot 9 matched with the threaded rod 6 is formed in the right surface of the sealing block 8, the slot 9 provides a space for the threaded rod 6 when the sealing block 8 slides, the sealing block 8 is connected onto the inner side wall of the L-shaped pressure relief pipe 3 in a sliding manner, so that the sealing block 8 can block the through position between the L-shaped pressure relief pipe 3 and the L-shaped guide pipe 2, the left surface of the sealing block 8 is provided with a pressure sensor 10, the outer surface of the L-shaped pressure relief pipe 3 is provided with a controller 11, the motor I5 and the pressure sensor 10 are both electrically connected with the controller 11, the pressure sensor 10 senses the pressure of liquid in the L-shaped pipe 2, when the pressure is too high, the pressure signal of the pressure sensor 10 is transmitted to the controller 11, the controller 11 can control the motor I5 to rotate, the motor I5 enables the threaded rod 6 to rotate, the nut 7 limited by the regulating and controlling cavity 4 on the threaded rod 6 can slide towards the right side, the nut 7 pulls the sealing block 8 towards the right side to expose the pipe orifice at the lower side of the L-shaped pressure relief pipe 3, the liquid in the L-shaped pipe 2 can be conveniently shunted into the L-shaped pressure relief pipe 3, the pressure in the L-shaped pipe 2 is reduced, the safe operation of the rotor pump 1 is ensured, and the pressure sensor 10 senses the pressure signal at any time, the pressure relief is more timely, and the protection of the rotor pump 1 is facilitated.

Specifically, the right side of the upper surface of the L-shaped pressure relief pipe 3 is provided with a cleaning cavity 12 in a penetrating manner, the inner upper surface of the cleaning cavity 12 is provided with a second motor 13, a driving end of the second motor 13 is fixedly connected with a rotating disc 14, the rotating disc 14 is rotatably connected with the inner side wall of the cleaning cavity 12, the lower surface of the rotating disc 14 is provided with an electric telescopic rod 15, a driving end of the electric telescopic rod 15 is fixedly connected with a cleaning brush 16, the second motor 13 and the electric telescopic rod 15 are both electrically connected with the controller 11, and the controller 11 can control the second motor 13 to rotate to enable the cleaning brush 16 on the lower side of the rotating disc 14 to rotate, so that the cleaning brush 16 cleans the inner side wall of the L-shaped pressure relief pipe 3 to avoid accumulation and residue of impurities due to the fact that the inside of the L-shaped pressure relief pipe 3 is particularly turned, the inside of the L-shaped pressure relief pipe 3 can be cleaned in time conveniently, so that the pressure relief effect is better.

Particularly, electric telescopic handle 15 establishes the skew central point of lower surface of carousel 14 puts the department, the inside wall lower part fixedly connected with fixed disk 20 of clean chamber 12, it is equipped with the cooperation to link up on the fixed disk 20 the ring channel 17 that electric telescopic handle 15 used, the surface sliding connection of electric telescopic handle 15's the non-flexible end is in the inside of ring channel 17, ring channel 17 are spacing to electric telescopic handle 15, make electric telescopic handle 15 pivoted more stable, and carousel 14 can make electric telescopic handle 15 be circular motion when rotating, makes the cleaning brush 16 of downside better to the inside wall cleaning effect of L shape pressure release pipe 3.

Specifically, sealing washer 18 all is equipped with on the left surface of sealing block 8 and the lower surface of fixed disk 20, and sealing washer 18 improves the leakproofness of fixed disk 20 and sealing block 8, reduces in liquid infiltration regulation and control chamber 4 and the clean chamber 12.

Specifically, the right part of the L-shaped conduit 2 is provided with a one-way valve 19, so that liquid can only flow into the L-shaped pressure relief pipe 3 in one way through the one-way valve 19 when being shunted and decompressed, and backflow is avoided.

Specifically, the length of the sealing block 8 is greater than the diameter of the L-shaped pressure relief pipe 3, and when pressure relief is not required, the sealing block 8 can seal the pipe opening on the lower side of the L-shaped pressure relief pipe 3 more tightly.

The working principle is as follows: when the pressure sensor 10 on the sealing block 8 senses that the pressure of the liquid at the water outlet of the rotor pump 1 is too high, the pressure sensor 10 transmits a sensing signal to the controller 11, the controller 11 controls the motor I5 to rotate so as to rotate the threaded rod 6, so that the nut 7 limited by the regulating and controlling cavity 4 on the threaded rod 6 can slide to the right side, and further the sealing block 8 is pulled to the right side, the sealing block 8 exposes the pipe orifice at the lower side of the L-shaped pressure relief pipe 3, so that the liquid is shunted to enter the L-shaped pressure relief pipe 3, the pressure in the L-shaped conduit 2 is reduced, the rotor pump 1 is timely protected, the rotor pump 1 is prevented from being damaged due to the overhigh hydraulic pressure, a cleaning cavity 12 is arranged at the upper side of the L-shaped pressure relief pipe 3, the blockage caused by the accumulation of impurities when the liquid flows at the turning position of the L-shaped pressure relief pipe 3, the controller 11 controls the motor II 13 to rotate, and controls the electric telescopic rod 15 to extend, can make cleaning brush 16 clear brush the inside wall of L shape pressure release pipe 3, dredge L shape pressure release pipe 3, avoid piling up of impurity, make the pressure release effect better.

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 indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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 record of description and attached drawing, 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 prior art, and conventional model is including the conventional connected mode of circuit connection adoption conventional among the prior art, and here detailed description is not again.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pressure relief device of impeller pump, includes impeller pump (1), its characterized in that: the liquid outlet end of the rotor pump (1) is connected with an L-shaped guide pipe (2) in a penetrating manner, the lower portion of the right surface of the L-shaped guide pipe (2) is connected with an L-shaped pressure relief pipe (3) in a penetrating manner, the upper side of the right surface of the L-shaped pressure relief pipe (3) is connected with a regulation and control cavity (4) in a penetrating manner, a first motor (5) is arranged on the inner right surface of the regulation and control cavity (4), a threaded rod (6) is fixedly connected with the driving end of the first motor (5), a nut (7) is connected onto the threaded rod (6) in a threaded manner, the nut (7) is connected with the inner side wall of the regulation and control cavity (4) in a sliding manner, a sealing block (8) is fixedly connected onto the left surface of the nut (7), a groove (9) matched with the threaded rod (6) for use is arranged on the right surface of the sealing block (8), and the sealing block (8) is connected onto the inner side wall of the L-shaped pressure relief pipe (3) in a sliding manner, the left surface of the sealing block (8) is provided with a pressure sensor (10), and the outer surface of the L-shaped pressure relief pipe (3) is provided with a controller (11).

2. The pressure relief device for a gerotor pump of claim 1, further comprising: the upper surface right side of L shape pressure release pipe (3) link up and is equipped with clean chamber (12), the interior upper surface in clean chamber (12) is equipped with motor two (13), drive end fixedly connected with carousel (14) of motor two (13), just carousel (14) with the inside wall in clean chamber (12) rotates to be connected, the lower surface of carousel (14) is equipped with electric telescopic handle (15), the drive end fixedly connected with cleaning brush (16) of electric telescopic handle (15).

3. The pressure relief device for a gerotor pump of claim 2, further comprising: electric telescopic handle (15) are established the lower surface of carousel (14) is off central point and is put the department, the inside wall lower part fixedly connected with fixed disk (20) of clean chamber (12), it is equipped with the cooperation to link up on fixed disk (20) ring channel (17) that electric telescopic handle (15) used, the surface sliding connection of the non-flexible end of electric telescopic handle (15) is in the inside of ring channel (17).

4. A pressure relief device for a gerotor pump as in claim 3, further comprising: and sealing rings (18) are arranged on the left surface of the sealing block (8) and the lower surface of the fixed disc (20).

5. The pressure relief device for a gerotor pump of claim 4, further comprising: the right part of the L-shaped conduit (2) is provided with a one-way valve (19).

6. The pressure relief device for a gerotor pump of claim 5, further comprising: the length of the sealing block (8) is larger than the diameter of the L-shaped pressure relief pipe (3).