CN216518835U

CN216518835U - Chemical pump drip-proof structure

Info

Publication number: CN216518835U
Application number: CN202122535670.1U
Authority: CN
Inventors: 印德辉; 印德良; 印永鹏; 步杰; 叶娟; 左群
Original assignee: Jiangsu Yunhui Pump And Valve Group Co ltd
Current assignee: Jiangsu Yunhui Pump And Valve Group Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-05-13
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a drip-proof structure of a chemical pump, which comprises a chemical pump main body, wherein the top of the chemical pump main body is provided with a water outlet pipe interface, an anti-corrosion plug sheet is arranged inside the water outlet pipe interface, the anti-corrosion plug sheet is provided with a liquid through port, the inner side of the water outlet pipe interface is positioned above the anti-corrosion plug sheet and is provided with a support shaft, one end of the support shaft is provided with a cylindrical block, the bottom of the cylindrical block is provided with a sealing assembly convenient to compress, the outer side of the water outlet pipe interface is provided with a fixed seat, the fixed seat is provided with a holding tank, and a fixed assembly convenient to disassemble and assemble is arranged in the holding tank; has the advantages that: according to the utility model, the anti-corrosion plug piece and the sealing assembly are additionally arranged on the water outlet pipe connector, when the anti-corrosion plug piece and the sealing assembly are matched to stop working, the pressing block and the anti-corrosion plug piece are closed under the elastic action of the return spring, so that the air pressure in the pump body is reduced, liquid remained on the wall of the water outlet pipe is prevented from dripping from the pipe opening, and the pollution to the chemical pump is reduced.

Description

Chemical pump drip-proof structure

Technical Field

The utility model relates to the technical field of chemical pumps, in particular to a drip-proof structure of a chemical pump.

Background

The pump is a machine for conveying liquid or pressurizing liquid, it transfers the mechanical energy of prime mover or other external energy to liquid, so that the energy of liquid is increased, the pump can be used for conveying water, oil and emulsion, etc. liquid, also can be used for conveying liquid-gas mixture, and the chemical pump is a water pump used in chemical industry, specially for conveying some corrosive and polluting chemical media, and the chemical pump is extensively used in chemical industry, metallurgy, pharmacy, etc. and has important application.

When the existing chemical pump stops working, some liquid remained on the wall of the water outlet pipe can be dripped and leaked outwards from the pipe orifice under the action of inertia, so that the chemical pump is polluted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drip-proof structure of a chemical pump, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a chemical pump antidrip structure, includes the chemical pump main part, the top of chemical pump main part is provided with the outlet pipe interface, the inside anticorrosive chock plug that is provided with of outlet pipe interface, the logical liquid mouth has been seted up on the anticorrosive chock plug, the inboard top that is located anticorrosive chock plug of outlet pipe interface is provided with the back shaft, the one end of back shaft is provided with the cylinder piece, the bottom setting of cylinder piece has the seal assembly who is convenient for compress tightly, the back shaft is close to the inboard one end of outlet pipe interface and has seted up the jack, the outside that goes out the outlet pipe interface is provided with the fixing base, the holding tank has been seted up on the fixing base, set up the fixed subassembly that has the dismouting of being convenient for in the holding tank.

Preferably, the anti-corrosion plug pieces are of an inward protruding structure towards the outlet of the water outlet pipe connector, the number of the support shafts is three, and the three support shafts are circumferentially distributed around the cylindrical block.

Preferably, the sealing assembly comprises a return spring, a pressing block is arranged at one end of the return spring, a corrugated pipe is arranged between the pressing block and the cylindrical block, and the pressing block is movably inserted into the liquid through port.

Preferably, the pressing block is of a semi-elliptical solid structure, the corrugated pipe is sleeved outside the return spring, and two ends of the corrugated pipe are fixedly connected to the pressing block and the cylindrical block respectively.

Preferably, the fixing seat and the supporting shaft correspond to each other one by one, the fixing assembly comprises an inserting rod, one end of the inserting rod penetrates through the water outlet pipe interface and is in butt joint with the jack, the other end of the inserting rod penetrates through the accommodating groove and is provided with the traction handle, the top of the fixing seat is provided with an accommodating groove, a supporting rod is arranged in the accommodating groove, a slot is formed in the front side of the fixing seat, and the supporting rod is inserted into the slot and is attached to the traction handle.

Preferably, the inside that is located the holding tank on the inserted bar is provided with the slider, sliding connection between slider and the holding tank, be provided with compression spring between slider and the holding tank.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the anti-corrosion plug piece and the sealing assembly are additionally arranged on the water outlet pipe connector, when the anti-corrosion plug piece and the sealing assembly are matched to stop working, the pressing block and the anti-corrosion plug piece are closed under the elastic action of the return spring, so that the air pressure in the pump body is reduced, liquid remained on the wall of the water outlet pipe is prevented from dripping from the pipe opening, and the pollution to the chemical pump is reduced;

2. according to the utility model, the fixing component is additionally arranged on the outer side of the water outlet pipe connector, the inserting rod is inserted into the inserting hole in the supporting shaft, the limiting and fixing of the supporting shaft and the cylindrical block are realized, and meanwhile, the pulling handle is pulled to separate the inserting rod from the inserting hole, so that the limiting of the sealing component is favorably relieved, the maintenance or the replacement is convenient, and the practicability of the device is increased.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the outlet tube interface of the present invention;

FIG. 3 is an exploded view of the seal assembly of the present invention;

FIG. 4 is an enlarged schematic view of FIG. 2 at A in accordance with the present invention;

fig. 5 is a schematic view of the structure of the support rod of the present invention.

In the figure: a chemical pump main body 1; a water outlet pipe connector 2; an anti-corrosion plug sheet 3; a liquid passage port 31; a support shaft 4; an insertion hole 41; a cylindrical block 5; a seal assembly 6; a return spring 61; a briquetting 62; a bellows 63; a fixed seat 7; a support bar 71; a fixing member 8; an insert rod 81; a slider 82; a compression spring 83; pulling the handle 84.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a chemical pump antidrip structure, including chemical pump main part 1, the welding of chemical pump main part 1's top has outlet pipe interface 2, the inside fixed mounting of outlet pipe interface 2 has anticorrosive chock block 3, anticorrosive chock block 3 is the protruding structure in the export to outlet pipe interface 2, liquid opening 31 has been seted up on anticorrosive chock block 3, the inboard top laminating that is located anticorrosive chock block 3 of outlet pipe interface 2 has back shaft 4, the one end welding of back shaft 4 has cylinder piece 5, back shaft 4 is provided with threely, three back shaft 4 is the circumference around cylinder piece 5 and distributes.

The bottom of the cylindrical block 5 is provided with a sealing component 6 which is convenient to compress, the sealing component 6 comprises a return spring 61, one end of the return spring 61 is fixedly connected with a pressing block 62, the pressing block 62 is of a semi-elliptical solid structure, a corrugated pipe 63 is arranged between the pressing block 62 and the cylindrical block 5, the corrugated pipe 63 is sleeved on the outer side of the return spring 61, and two ends of the corrugated pipe 63 are respectively fixedly connected to the pressing block 62 and the cylindrical block 5, the corrugated pipe 63 can stretch and retract due to the characteristic of the corrugated pipe 63, the return spring 61 can be protected from being corroded by liquid by the corrugated pipe 63, the pressing block 62 is movably inserted on the liquid through port 31, one end of the support shaft 4, which is close to the inner side of the water outlet pipe connector 2, is provided with an insertion hole 41, when the chemical pump works, the pressure generated in the pump enables the pressing block 62 to move towards the direction far away from the anti-corrosion plug piece 3 under the centrifugal action of an impeller on the chemical pump, at the moment, the liquid flows outwards through the liquid through port 31 and the water outlet pipe connector 2, when the chemical pump stops working, the pressure block 62 and the anti-corrosion plug piece 3 are closed under the elastic action of the return spring 61, so that the air pressure in the pump body is reduced, and liquid remained on the wall of the water outlet pipe is prevented from leaking from the pipe orifice.

The outer side of the water outlet pipe interface 2 is welded with a fixed seat 7, the fixed seat 7 corresponds to the support shaft 4 one by one, a holding groove is arranged on the fixed seat 7, a fixing component 8 convenient for disassembly and assembly is arranged in the holding groove, the fixing component 8 comprises an inserting rod 81, one end of the inserting rod 81 penetrates through the water outlet pipe interface 2 and is butted with the inserting hole 41, a sliding block 82 is welded inside the holding groove on the inserting rod 81, the sliding block 82 is connected with the holding groove in a sliding manner, a compression spring 83 is fixedly connected between the sliding block 82 and the holding groove, the compression spring 83 is sleeved on the inserting rod 81, the other end of the inserting rod 81 penetrates through the holding groove and is welded with a traction handle 84, a holding groove is arranged at the top of the fixed seat 7, a support rod 71 is arranged in the holding groove, an inserting groove is arranged at the front side of the fixed seat 7, the support rod 71 is inserted on the inserting groove and is jointed with the traction handle 84, when the sealing component 6 needs to be overhauled or replaced, the support rod 71 is taken out from the accommodating groove by pulling the pulling handle 84 so as to be inserted into the inserting groove, the support rod 71 is attached to the pulling handle 84 to play a supporting role, and then the operation is repeated respectively so as to separate the support rod 81 from the corresponding inserting groove 41, and the support shaft 4 and the cylindrical block 5 are taken out.

The working principle is as follows: in practical use, when the chemical pump stops working, the pressure block 62 and the anti-corrosion plug piece 3 are closed under the elastic force of the return spring 61, so that the air pressure in the pump body is reduced to prevent liquid remained on the wall of the water outlet pipe from dripping from the pipe orifice, when the sealing component 6 is installed, the pulling handle 84 is supported by inserting the support rod 71 on the insertion groove, the insertion rod 81 is separated from the corresponding insertion hole 41, the support shaft 4 and the cylindrical block 5 are placed in the water outlet pipe connector 2, so that the pressure block 62 is in butt joint with the anti-corrosion plug piece 3, the support rod 71 is taken off, the pulling handle 84 is held by hand, the position of the support shaft 4 is adjusted, the insertion rod 81 is inserted on the insertion hole 41, the sliding block 82 is tightly pressed at one end of the accommodating groove under the elastic force of the compression spring 83, the support shaft 4 is limited and fixed, the installation of the sealing component 6 is realized, when the sealing component 6 needs to be overhauled or replaced, the support rod 71 is taken out from the accommodating groove by pulling the pulling handle 84 to separate the insertion rod 81 from the insertion hole 41, so that the support rod 71 is inserted into the insertion groove, the support rod 71 is attached to the pulling handle 84 to play a supporting role, and then the support rod 4 and the cylindrical block 5 are taken out by respectively repeating the operation to separate the insertion rod 81 from the corresponding insertion hole 41.

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. The utility model provides a chemical pump antidrip structure, includes chemical pump main part (1), its characterized in that: the top of chemical pump main part (1) is provided with outlet pipe interface (2), outlet pipe interface (2) inside is provided with anticorrosive chock plug (3), liquid inlet (31) have been seted up on anticorrosive chock plug (3), the top that the inboard of outlet pipe interface (2) is located anticorrosive chock plug (3) is provided with back shaft (4), the one end of back shaft (4) is provided with cylinder piece (5), the bottom setting of cylinder piece (5) has seal assembly (6) convenient to compress tightly, jack (41) have been seted up to back shaft (4) near the inboard one end of outlet pipe interface (2), the outside of outlet pipe interface (2) is provided with fixing base (7), the holding tank has been seted up on fixing base (7), set up fixed subassembly (8) that have the dismouting of being convenient for in the holding tank.

2. The chemical pump drip-proof structure of claim 1, wherein: the anti-corrosion plug piece (3) is of an inward convex structure towards the outlet of the water outlet pipe connector (2), the number of the support shafts (4) is three, and the three support shafts (4) are distributed circumferentially around the cylindrical block (5).

3. The chemical pump drip-proof structure of claim 1, wherein: the sealing assembly (6) comprises a return spring (61), a pressing block (62) is arranged at one end of the return spring (61), a corrugated pipe (63) is arranged between the pressing block (62) and the cylindrical block (5), and the pressing block (62) is movably inserted into the liquid through port (31).

4. A chemical pump drip-proof structure according to claim 3, wherein: briquetting (62) are half oval solid construction, bellows (63) cup joint in reset spring (61)'s the outside, and both ends respectively fixed connection on briquetting (62) and cylinder piece (5).

5. The chemical pump drip-proof structure of claim 1, wherein: the fixing seat (7) and the supporting shaft (4) are in one-to-one correspondence, the fixing assembly (8) comprises an inserting rod (81), one end of the inserting rod (81) penetrates through the water outlet pipe connector (2) and is in butt joint with the inserting hole (41), the other end of the inserting rod (81) penetrates through the accommodating groove and is provided with a traction handle (84), the top of the fixing seat (7) is provided with an accommodating groove, a supporting rod (71) is arranged in the accommodating groove, the front side of the fixing seat (7) is provided with an inserting groove, the supporting rod (71) is inserted into the inserting groove and is attached to the traction handle (84).

6. The chemical pump drip-proof structure of claim 5, wherein: the sliding block (82) is arranged in the accommodating groove on the inserted bar (81), the sliding block (82) is connected with the accommodating groove in a sliding mode, and a compression spring (83) is arranged between the sliding block (82) and the accommodating groove.