CN213628153U

CN213628153U - Anti-backflow pump body

Info

Publication number: CN213628153U
Application number: CN202022669645.8U
Authority: CN
Inventors: 李康; 徐洋根
Original assignee: Shaoxing Keqiao Lijian Machinery Co ltd
Current assignee: Shaoxing Keqiao Lijian Machinery Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-06
Anticipated expiration: 2030-11-18

Abstract

The utility model relates to a water pump technical field just discloses a pump body of anti-return, including the water pump main part, the delivery port fixed mounting of water pump main part has the connecting pipe, the mounting hole that is linked together with water pump main part delivery port is seted up at the connecting pipe top, fixed mounting has the partition panel in the mounting hole, the intercommunicating pore has been seted up at the partition panel top, the spout that is located the partition panel top is all seted up to the mounting hole left and right sides wall, swing joint has the sealing plug that is located the partition panel top in the mounting hole, the equal fixedly connected with of sealing plug left and right sides is pegged graft to first slide bar in the spout, the connecting pipe left side is rotated and is connected with adjusting device, mounting hole left side wall is rotated and is connected with. This anti-return pump body has solved the reaction slower, can't be quick play anti-return's effect, still has the problem of the impaired risk of impeller.

Description

Anti-backflow pump body

Technical Field

The utility model relates to a water pump technical field specifically is an anti-return pump body.

Background

The pump is a machine for conveying fluid or pressurizing fluid, and can transfer the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and the pump is mainly used for conveying liquid such as water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, and can also convey liquid, gas mixture and liquid containing suspended solid matter.

Chinese patent publication No. CN 210050052U, "a solar water pump for preventing backflow", wherein the utility model provides the following technical solutions: "through the second spoiler, when the trend of backward flow appears, the second spoiler hugs closely at the top of second stop collar under the effect of the power that gravity and water pressure gave, water can not cross the below that the second spoiler flows the second spoiler, simultaneously first spoiler can paste the left side at first stop collar under gravity and water pressure's effect, water can not cross the right side that first spoiler flows the first spoiler, thereby reached double-deck anti-reflux effect", this scheme can play certain anti-reflux effect, but simply rely on gravity and water pressure to promote first spoiler and second spoiler, the reaction is slower, can't play the effect of anti-reflux fast, still there is impaired risk of impeller, so propose the pump body of an anti-reflux to solve the problem that proposes in the aforesaid.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a pump body of anti-return possesses the reaction rapidly, can adapt to different service environment's advantage, and it is slower to have solved the reaction, and the unable quick effect of playing anti-return still exists the problem of the impaired risk of impeller.

(II) technical scheme

In order to realize the above-mentioned reaction rapidly, can adapt to different service environment's purpose, the utility model provides a following technical scheme: a backflow-preventing pump body comprises a water pump body, wherein a connecting pipe is fixedly installed at a water outlet of the water pump body, a mounting hole communicated with the water outlet of the water pump body is formed in the top of the connecting pipe, a partition panel is fixedly installed in the mounting hole, a communication hole is formed in the top of the partition panel, sliding grooves formed in the top of the partition panel are formed in the left side wall and the right side wall of the mounting hole, a sealing plug located at the top of the partition panel is movably connected in the mounting hole, the left side and the right side of the sealing plug are fixedly connected with first sliding rods inserted into the sliding grooves, an adjusting device is rotatably connected to the left side of the connecting pipe, a first rotating shaft is rotatably connected to the left side wall of the mounting hole, a first bevel gear is fixedly connected to the right side of the first rotating shaft, a mounting frame located at the bottom of, the top of the second rotating shaft is fixedly connected with a second bevel gear meshed with the first bevel gear, a lifting device located at the bottom of the second rotating shaft is movably connected in the mounting hole, the left side and the right side of the lifting device are fixedly connected with second slide bars inserted into the sliding grooves, and return springs are fixedly connected between the first slide bars and the second slide bars.

Preferably, the connecting pipe top fixedly connected with flange, the seal groove has been seted up at the partition panel top, the internal diameter of seal groove is greater than the aperture of intercommunicating pore, the external diameter of sealing plug equals the internal diameter of seal groove.

Preferably, the bottom of the sealing plug is fixedly connected with a sealing rubber ring, and the outer diameter of the sealing rubber ring is equal to that of the sealing plug.

Preferably, adjusting device comprises socket, adjustment disk, inserted bar, locating pin and pointer, the connecting pipe left side is rotated and is connected with the socket, socket and first pivot fixed connection, socket left side swing joint has the adjustment disk, the adjustment disk is transparent plastic, adjustment disk right side fixedly connected with inserted bar, inserted bar top right side fixed connection locating pin, the socket left side is seted up with the slot of inserted bar and locating pin looks adaptation, connecting pipe left side fixedly connected with is located the pointer of socket bottom.

Preferably, the mounting bracket is internally and fixedly provided with a bearing matched with the second rotating shaft, and the water inlet of the water pump main body is fixedly provided with a filter screen.

Preferably, the lifting device comprises a sleeve and a screw nut, a telescopic groove is formed in the top of the sleeve, the second rotating shaft is in threaded connection with the screw nut located in the telescopic groove, and the screw nut is fixedly connected with the sleeve.

(III) advantageous effects

Compared with the prior art, the utility model provides an anti-return pump body possesses following beneficial effect:

the backflow-preventing pump body is characterized in that the lifting device is arranged, when the adjusting device is not rotated, the lifting device is in a standing state, the left side and the right side of the lifting device are fixedly connected with a second sliding rod, the second sliding rod is connected with a first sliding rod through a return spring, when a sudden power failure condition occurs, water flow does not push a sealing plug upwards, so that the sealing plug is quickly clamped into a sealing groove under the pushing of the return spring, the blocking of a communication hole is completed, the backflow of the water flow positioned at the top of the sealing plug is avoided, the purpose of quick response is achieved, a user can drive a first rotating shaft to rotate by rotating an adjusting disc, further the first rotating shaft can be driven to rotate with a second rotating shaft, the second rotating shaft is externally threaded with a screw nut, the screw nut is fixedly connected with a sleeve, further the sleeve can be driven to move up and down, and then can adjust the packing force of reset spring to first slide bar to can be suitable for the water pressure environment in different areas, ensure that it can normally work, thereby effectual solved the reaction slower, can't be quick play the effect of anti-return, still have the problem of the impaired risk of impeller.

Drawings

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

fig. 2 is a partially enlarged schematic view of a portion a shown in fig. 1 according to the present invention.

In the figure: the water pump comprises a water pump main body 1, a connecting pipe 2, a mounting hole 3, a partition plate 4, a communication hole 5, a sliding chute 6, a sealing plug 7, a first sliding rod 8, an adjusting device 9, a first rotating shaft 10, a first bevel gear 11, an installation frame 12, a second rotating shaft 13, a second bevel gear 14, a lifting device 15, a second sliding rod 16 and a return spring 17.

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. 1-2, a backflow prevention pump body comprises a water pump body 1, a filter screen is fixedly installed at a water inlet of the water pump body 1, a connecting pipe 2 is fixedly installed at a water outlet of the water pump body 1, a connecting flange is fixedly connected to the top of the connecting pipe 2, a mounting hole 3 communicated with the water outlet of the water pump body 1 is formed in the top of the connecting pipe 2, a partition plate 4 is fixedly installed in the mounting hole 3, a sealing groove is formed in the top of the partition plate 4, a communication hole 5 is formed in the top of the partition plate 4, the inner diameter of the sealing groove is larger than the aperture of the communication hole 5, sliding grooves 6 located at the tops of the partition plate 4 are formed in the left side wall and the right side wall of the mounting hole 3, a sealing plug 7 located at the top of the partition plate 4 is movably connected in the mounting hole, the left side and the right side of a sealing plug 7 are fixedly connected with a first slide bar 8 inserted into a sliding groove 6, the left side of a connecting pipe 2 is rotatably connected with an adjusting device 9, the adjusting device 9 consists of a socket, an adjusting disc, an inserted bar, a positioning pin and a pointer, the left side of the connecting pipe 2 is rotatably connected with the socket, the left side of the socket is movably connected with the adjusting disc, the adjusting disc is made of transparent plastic, the right side of the adjusting disc is fixedly connected with the inserted bar, the right side of the top of the inserted bar is fixedly connected with the positioning pin, the left side of the socket is provided with a slot matched with the inserted bar and the positioning pin, the left side of the connecting pipe 2 is fixedly connected with the pointer at the bottom of the socket, the left side wall of a mounting hole 3 is rotatably connected with a first rotating shaft 10, the socket is fixedly connected with the first rotating shaft 10, the right side of the first rotating shaft 10 is fixedly connected with, fixed mounting has the bearing with second pivot 13 looks adaptation in mounting bracket 12, second pivot 13 top fixedly connected with and first bevel gear 11 engaged with second bevel gear 14, swing joint has the elevating gear 15 who is located second pivot 13 bottom in mounting hole 3, elevating gear 15 comprises sleeve and screw-nut, flexible groove has been seted up at the sleeve top, 13 threaded connection of second pivot has the screw-nut who is located flexible inslot, screw-nut and sleeve fixed connection, the equal fixedly connected with of the 15 left and right sides of elevating gear inserts to second slide bar 16 in spout 6, fixedly connected with reset spring 17 between first slide bar 8 and the second slide bar 16.

When the device is used, by arranging the lifting device 15, when the adjusting device 9 is not rotated, the lifting device 15 is in a standing state, the left side and the right side of the lifting device 15 are fixedly connected with the second slide bar 16, the second slide bar 16 is connected with the first slide bar 8 through the reset spring 17, when a sudden power failure condition occurs, water flow does not push the sealing plug 7 upwards, so that the sealing plug 7 is quickly clamped into the sealing groove under the pushing of the reset spring 17, the shielding of the communication hole 5 is completed, the backflow of the water flow positioned at the top of the sealing plug 7 is avoided, the purpose of quick response is achieved, a user can drive the first rotating shaft 10 to rotate by rotating the adjusting disc, and further can drive the second rotating shaft 13 to rotate, the second rotating shaft 13 is externally threaded with the lead screw nut, and the lead screw nut is fixedly connected with the sleeve, and further can drive the sleeve, therefore, the position of the second sliding rod 16 can be adjusted, and the pressing force of the return spring 17 on the first sliding rod 8 can be adjusted, so that the hydraulic pressure environment of different areas can be adapted, and the normal work of the hydraulic pressure environment can be ensured.

To sum up, the anti-backflow pump body is provided with the lifting device 15, when the adjusting device 9 is not rotated, the lifting device 15 is in a standing state, the left side and the right side of the lifting device 15 are fixedly connected with the second slide bar 16, the second slide bar 16 is connected with the first slide bar 8 through the return spring 17, when a sudden power failure occurs, water flow does not push the sealing plug 7 upwards, so that the sealing plug 7 is rapidly clamped into the sealing groove under the pushing of the return spring 17, the shielding of the communication hole 5 is completed, the water flow backflow at the top of the sealing plug 7 is avoided, the purpose of rapid reaction is achieved, the user rotates the adjusting disc to drive the first rotating shaft 10 to rotate, and further to drive the second rotating shaft 13 to rotate, the second rotating shaft 13 is externally threaded with the screw rod nut, and the screw rod nut is fixedly connected with the sleeve, and further can drive the sleeve to move up and down, therefore, the position of the second slide bar 16 can be adjusted, and the pressing force of the reset spring 17 on the first slide bar 8 can be adjusted, so that the hydraulic pressure environment in different areas can be suitable, the normal work of the hydraulic pressure environment can be ensured, the problems that the reaction is slow, the backflow prevention effect cannot be quickly achieved, and the risk that the impeller is damaged still exists are effectively solved.

It is to be noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 pump body of anti-return, includes water pump main part (1), its characterized in that: the water pump is characterized in that a connecting pipe (2) is fixedly installed at a water outlet of the water pump main body (1), a mounting hole (3) communicated with the water outlet of the water pump main body (1) is formed in the top of the connecting pipe (2), a partition board (4) is fixedly installed in the mounting hole (3), a communication hole (5) is formed in the top of the partition board (4), sliding chutes (6) formed in the top of the partition board (4) are formed in the left side wall and the right side wall of the mounting hole (3), a sealing plug (7) formed in the top of the partition board (4) is movably connected in the mounting hole (3), first sliding rods (8) inserted in the sliding chutes (6) are fixedly connected to the left side and the right side of the sealing plug (7), an adjusting device (9) is rotatably connected to the left side of the connecting pipe (2), a first rotating shaft (10) is rotatably connected to the left side, mounting bracket (12) that lateral wall fixedly connected with is located first bevel gear (11) bottom behind mounting hole (3), mounting bracket (12) bottom is rotated and is connected with second pivot (13) that runs through mounting bracket (12) and extend to mounting bracket (12) top, second pivot (13) top fixedly connected with and second bevel gear (14) that first bevel gear (11) meshed mutually, swing joint has elevating gear (15) that are located second pivot (13) bottom in mounting hole (3), the equal fixedly connected with of elevating gear (15) left and right sides inserts to second slide bar (16) in spout (6), fixedly connected with reset spring (17) between first slide bar (8) and second slide bar (16).

2. A backflow-prevention pump body as claimed in claim 1, wherein: connecting pipe (2) top fixedly connected with flange, the seal groove has been seted up at partition panel (4) top, the internal diameter of seal groove is greater than the aperture of intercommunicating pore (5), the external diameter of sealing plug (7) equals the internal diameter of seal groove.

3. A backflow-prevention pump body as claimed in claim 1, wherein: the bottom of the sealing plug (7) is fixedly connected with a sealing rubber ring, and the outer diameter of the sealing rubber ring is equal to that of the sealing plug (7).

4. A backflow-prevention pump body as claimed in claim 1, wherein: adjusting device (9) comprises socket, adjustment disk, inserted bar, locating pin and pointer, connecting pipe (2) left side is rotated and is connected with the socket, socket and first pivot (10) fixed connection, socket left side swing joint has the adjustment disk, the adjustment disk is transparent plastic, adjustment disk right side fixedly connected with inserted bar, inserted bar top right side fixed connection locating pin, the socket left side is seted up with the slot of inserted bar and locating pin looks adaptation, connecting pipe (2) left side fixedly connected with is located the pointer of socket bottom.

5. A backflow-prevention pump body as claimed in claim 1, wherein: the bearing that has with second pivot (13) looks adaptation is fixed mounting in mounting bracket (12), the water inlet fixed mounting of water pump main part (1) has the filter screen.

6. A backflow-prevention pump body as claimed in claim 1, wherein: the lifting device (15) is composed of a sleeve and a screw nut, a telescopic groove is formed in the top of the sleeve, the second rotating shaft (13) is in threaded connection with the screw nut located in the telescopic groove, and the screw nut is fixedly connected with the sleeve.