CN212615327U

CN212615327U - Adjustable single-path and double-path partial pressure delivery water pump head

Info

Publication number: CN212615327U
Application number: CN202020971167.3U
Authority: CN
Inventors: 李长春; 何国忠
Original assignee: Wuhu Changjiang Pump Industry Co ltd
Current assignee: Wuhu Changjiang Pump Industry Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-02-26
Anticipated expiration: 2030-06-01

Abstract

The utility model provides an adjustable single-path and double-path partial pressure delivery water pump head, which comprises a pump shell, wherein the top end of the pump shell is fixedly connected with a liquid inlet, the side edge of the top end of the pump shell is provided with a screw hole, a screw rod is sleeved in the screw hole, the bottom end of the screw rod is fixedly provided with a sealing mechanism, one side of the pump shell is fixedly connected with a water adding pipe, one end of the water adding pipe is spirally connected with a sealing cover, the top part of the other side of the pump shell is fixedly provided with a secondary liquid outlet, the bottom part of the other side of the pump shell is fixedly connected with a main liquid outlet, the inner part of the main liquid outlet is fixedly provided with a backflow prevention device, the utility model utilizes the design of a sealing block, the rotation of the screw rod drives the sealing block to move, adjusts the inner space of the partial pressure, the effect of partial pressure is achieved, the power of the water pump does not need to be reduced, and the working efficiency of the water pump is improved.

Description

Adjustable single-path and double-path partial pressure delivery water pump head

Technical Field

The utility model mainly relates to a technical field of centrifugal pump water pump head, concretely relates to water pump head is carried in single, double-circuit partial pressure with adjustable.

Background

The water pump is a machine for conveying liquid or pressurizing liquid, which transfers the mechanical energy of a prime motor or other external energy to the liquid to increase the energy of the liquid, and mainly conveys the liquid including water, oil, acid-base liquid, emulsion, suspoemulsion, liquid metal and the like through the pump head, and also can convey liquid, gas mixture and liquid containing suspended solids, but the inner cavity of the pump head is often over-pressurized when conveying the liquid, so that the connection of the liquid outlet is easily cracked, the internal liquid is scattered, and the phenomena that the pressure in the pump body is small, and the liquid flow rate of the liquid at the liquid outlet cannot achieve the expected effect slowly occur.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a single, double-circuit partial pressure conveying water pump head with adjustable for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a water pump head is carried in single, double-circuit partial pressure with adjustable, including the pump case, the top fixedly connected with inlet of pump case, the silk hole has been seted up to the avris on pump case top, the inside cover in silk hole is equipped with the lead screw, the bottom fixed mounting of lead screw has sealing mechanism, the opposite side fixed mounting on pump case top has the manometer, one side of pump case is fixed even has the filler pipe, the one end screwed connection of filler pipe has sealed lid, the top fixed mounting of pump case opposite side has inferior liquid outlet, the main liquid outlet of bottom fixedly connected with of pump case opposite side, the inside fixed mounting and the anti-reflux device of liquid outlet.

The backflow prevention device comprises a groove, the groove is located on one side of the inner cavity of the main liquid outlet, a sliding block is connected to the inside of the groove in a sliding mode, a sliding rod is fixedly connected to one side of the sliding block, a fixing block is fixedly connected to one end of the sliding rod, and a limiting groove is sleeved on the outside of the fixing block in a sliding mode.

The sealing mechanism comprises a sealing block, a sliding groove is formed in one end of the sealing block, and two rotating rods are slidably sleeved in the sliding groove.

The one end fixedly connected with limiting plate of spacing groove, the inner chamber radius of limiting plate is less than the radius of fixed block outer wall, just the avris of fixed block one end and limiting plate are towards the equal fixedly connected with stripe waterproof pad in one side of spacing inslot portion, and two the stripe waterproof pad mutually supports.

The outer wall of sealing block slides and has cup jointed the pressure divider pipe, the pressure divider pipe inlet has been seted up at the middle part of pressure divider pipe one side, the top and the bottom of pressure divider pipe opposite side respectively with the one end fixed connection of inferior liquid outlet and main liquid outlet, the both ends of pressure divider pipe all with the inner chamber fixed connection of pump case, just the through-hole has been seted up on the top of pressure divider pipe.

The radius of the screw hole is the same as that of the through hole, and one end of the screw rod penetrates through the screw hole and the through hole and is fixedly connected with one end of each of the two rotating rods

Compared with the prior art, the beneficial effects of the utility model are that: one of which, the utility model discloses utilize the design of shunt tubes, pump head inner chamber's liquid at first can get into in the shunt tubes, when liquid reachs the liquid outlet, the impact force can descend, the pressure that effectual reduction liquid outlet bore, and two external drain pipes can be simultaneously in the design of primary and secondary liquid outlet, improve work efficiency, and further pressure that has also shared pump case inner chamber makes the outflow pump case that liquid can be stable.

And secondly, the utility model discloses utilize the design of sealed piece, the rotation of lead screw drives sealed piece and removes, and the inner space of adjustable pressure divider pipe controls the pressure in pressure divider pipe inner chamber, guarantees that the velocity of flow of liquid is stable, and sealed piece has restricted the size of inferior liquid outlet again simultaneously, when two liquid outlets simultaneous workings, can adjust the velocity of water of two liquid outlets.

Thirdly, the utility model discloses utilize anti-return device's design, when cutting off the power of water pump, the spacing inslot is got back to the fixed block, combines mutually supporting of the waterproof pad of stripe between the two simultaneously to make sealed effect better, has guaranteed again that the liquid of pump case inner chamber can not flow, need not to add water injection again when using next time, improves work efficiency, reduces the loss of water pump itself.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic view of the structure of the backflow prevention device of the present invention;

FIG. 3 is a schematic structural view of the sealing mechanism of the present invention;

fig. 4 is a schematic view of the structure of the pressure dividing tube of the present invention.

In the figure: 1. a pump housing; 2. a water feeding pipe; 3. a sealing cover; 4. a liquid inlet; 5. a secondary liquid outlet; 6. a main liquid outlet; 7. a limiting groove; 8. a groove; 9. a slider; 10. a slide bar; 11. a fixed block; 12. a screw rod; 13. a silk hole; 14. a pressure dividing pipe; 15. a liquid inlet of the partial pressure pipe; 16. a rotating rod; 17. a chute; 18. a sealing block; 19. a through hole; 20. and a pressure gauge.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4 with emphasis, an adjustable pump head of a single-path and double-path partial pressure delivery water pump comprises a pump case 1, a liquid inlet 4 is fixedly connected to the top end of the pump case 1, a thread hole 13 is formed on the side edge of the top end of the pump case 1, a screw rod 12 is sleeved inside the thread hole 13, a sealing mechanism is fixedly installed at the bottom end of the screw rod 12, the sealing mechanism comprises a sealing block 18, a sliding groove 17 is formed at one end of the sealing block 18, two rotating rods 16 are sleeved inside the sliding groove 17 in a sliding manner, a pressure gauge 20 is fixedly installed at the other side of the top end of the pump case 1, a water feeding pipe 2 is fixedly connected to one side of the pump case 1, a sealing cover 3 is spirally connected to one end of the water feeding pipe 2, a secondary liquid outlet 5 is fixedly installed at the top of the other side of the pump, the backflow prevention device comprises a groove 8, the groove 8 is located on one side of an inner cavity of the main liquid outlet 6, a sliding block 9 is connected inside the groove 8 in a sliding mode, a return spring is installed at one end of the sliding block 9, one end of the return spring is fixedly connected with one end inside the groove 8, a sliding rod 10 is fixedly connected to one side of the sliding block 9, one end of the sliding rod 10 is fixedly connected with a fixed block 11, a limiting groove 7 is sleeved outside the fixed block 11 in a sliding mode, the movable length of the fixed block 11 is larger than the thickness of the limiting groove 7, and liquid can flow out;

the one end fixedly connected with limiting plate of spacing groove 7, the inner chamber radius of limiting plate is less than the radius of 11 outer walls of fixed block, and the avris of 11 one ends of fixed block and the equal fixedly connected with stripe waterproof pad of one side of limiting groove 7 inside of limiting plate, and two stripe waterproof pads mutually support, the outer wall of sealed block 18 slides and has cup jointed divider 14, divider inlet 15 has been seted up at the middle part of divider 14 one side, the top and the bottom of divider 14 opposite side respectively with the one end fixed connection of inferior liquid outlet 5 and main liquid outlet 6, the both ends of divider 14 all with the inner chamber fixed connection of pump case 1, and divider 14's top has seted up through-hole 19, the radius of silk hole 13 and through-hole 19 is the same, and the one end of lead screw 12 runs through silk hole 13 and through-hole 19 respectively with the one end fixed connection of two bull sticks 16, two bull sticks 16.

The utility model discloses a concrete operation as follows:

when the pressure-reducing pump is used, an operator firstly opens the sealing cover 3, water is injected into the inner cavity of the pump shell 1 through the water adding pipe 2, then the external power supply of the water pump is switched on, the water in the inner cavity of the pump shell 1 flows out from the main liquid outlet 6, the air pressure in the pump shell 1 is reduced to generate suction force so as to continuously suck in stock solution, then the operator observes the index of the pressure gauge 20, the rotary screw rod 12 drives the rotary rod 16 to rotate in the chute 17 so as to drive the sealing block 18 to move, the screw rod 12 is stopped to be screwed after the index of the pressure gauge 20 reaches a required value, if the pressure is overlarge, the valve of the secondary liquid outlet 5 is opened so that the stock solution flows out from the main liquid outlet 6 and the secondary liquid outlet 5 simultaneously, the purpose of partial pressure is achieved, meanwhile, the normal operation of the water pump is not influenced, the liquid-pumping efficiency of the water pump is improved, the stripe pad is used for increasing friction clamping, so that liquid in the inner cavity of the pump shell 1 is effectively prevented from flowing out, the valve of the secondary liquid outlet 5 is closed, and when the next water pump works, water does not need to be added into the water inlet pipe, and the power supply can be directly switched on to operate.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. An adjustable single-path and double-path partial pressure water delivery pump head comprises a pump shell (1), it is characterized in that the top end of the pump shell (1) is fixedly connected with a liquid inlet (4), one side of the top end of the pump shell (1) is provided with a screw hole (13), a screw rod (12) is sleeved in the screw hole (13), the bottom end of the screw rod (12) is fixedly provided with a sealing mechanism, the other side of the top end of the pump shell (1) is fixedly provided with a pressure gauge (20), one side of the pump shell (1) is fixedly connected with a water feeding pipe (2), one end of the water feeding pipe (2) is spirally connected with a sealing cover (3), a secondary liquid outlet (5) is fixedly arranged at the top of the other side of the pump shell (1), the bottom of the other side of the pump shell (1) is fixedly connected with a main liquid outlet (6), and the inside of the main liquid outlet (6) is fixedly provided with a backflow preventer.

2. An adjustable single-path and double-path partial pressure delivery water pump head as claimed in claim 1, wherein the backflow prevention device comprises a groove (8), the groove (8) is located at one side of the inner cavity of the main liquid outlet (6), a sliding block (9) is slidably connected inside the groove (8), a sliding rod (10) is fixedly connected to one side of the sliding block (9), a fixed block (11) is fixedly connected to one end of the sliding rod (10), and a limit groove (7) is slidably sleeved outside the fixed block (11).

3. An adjustable single-path and double-path partial pressure delivery water pump head as claimed in claim 1, wherein the sealing mechanism comprises a sealing block (18), a sliding groove (17) is formed at one end of the sealing block (18), and two rotating rods (16) are slidably sleeved inside the sliding groove (17).

4. The adjustable single-path and double-path partial pressure delivery water pump head as claimed in claim 2, wherein the one end of the limiting groove (7) is fixedly connected with a limiting plate, the inner cavity radius of the limiting plate is smaller than the radius of the outer wall of the fixing block (11), the lateral side of one end of the fixing block (11) and the limiting plate are respectively fixedly connected with a stripe waterproof pad facing to one side inside the limiting groove (7), and the stripe waterproof pads are matched with each other.

5. The adjustable single-path and double-path partial pressure delivery water pump head according to claim 3, wherein a partial pressure pipe (14) is slidably sleeved on an outer wall of the sealing block (18), a partial pressure pipe liquid inlet (15) is formed in the middle of one side of the partial pressure pipe (14), the top and the bottom of the other side of the partial pressure pipe (14) are fixedly connected with one ends of the secondary liquid outlet (5) and the main liquid outlet (6), the two ends of the partial pressure pipe (14) are fixedly connected with an inner cavity of the pump shell (1), and a through hole (19) is formed in the top end of the partial pressure pipe (14).

6. An adjustable pump head for a single or double channel water pump according to claim 1, wherein the screw holes (13) and the through holes (19) have the same radius, and one end of the screw rod (12) penetrates through the screw holes (13) and the through holes (19) and is fixedly connected with one end of each of the two rotating rods (16).