CN215805007U

CN215805007U - Liquid pump

Info

Publication number: CN215805007U
Application number: CN202122107799.2U
Authority: CN
Inventors: 吴华桃
Original assignee: Dongguan Huachuang Youpin Electronic Technology Co ltd
Current assignee: Dongguan Huachuang Youpin Electronic Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-02-11
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a liquid pump, which relates to the technical field of liquid pumps and comprises a pump shell and a pump body, wherein the pump body is positioned in the pump shell, one end of the pump body is provided with a liquid storage cavity, a soft leather cup is arranged in the liquid storage cavity, one side of the soft leather cup is connected with a movable part, the movable part is arranged by matching among a driving mechanism, the movable part, the soft leather cup, a liquid inlet/outlet valve plate and a liquid inlet/outlet nozzle, the movable part is pushed by the driving mechanism to move, the movable part drives the middle part of the soft leather cup to move back and forth, the liquid inlet/outlet function can be realized, the liquid inlet cover and the liquid outlet cover are integrated, and the integrated type liquid inlet/outlet valve plate is adopted, so that the traditional two one-way valve structure schemes are improved, the number of parts and the assembly difficulty are reduced, and the cost is reduced.

Description

Liquid pump

Technical Field

The utility model relates to the technical field of liquid pumps, in particular to a liquid pump.

Background

The pump is a machine for conveying fluid or pressurizing fluid, and transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, 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, the pump can be generally divided into three types of volumetric pump, power pump and other types of pumps according to working principle, besides the classification according to working principle, the pump can also be classified and named according to other methods, such as electric pump and water wheel pump according to driving method; can be divided into a single-stage pump and a multi-stage pump according to the structure; can be divided into a boiler feed pump, a metering pump and the like according to the application; the pump can be divided into a water pump, an oil pump, a slurry pump and the like according to the property of conveying liquid, and can be divided into a linear pump and a traditional pump according to a structure with or without a shaft.

At present, most of traditional liquid pumps adopt a mode of two one-way valves for water inlet and water outlet, and an O-shaped rubber ring is sleeved on each of the two one-way valves to achieve a sealing and waterproof effect, so that the traditional liquid pumps are more in structural quantity and higher in assembly difficulty; to this end, we provide a liquid pump that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to make up the defects of the prior art and provides a liquid pump.

In order to achieve the purpose, the utility model provides the following technical scheme: a fluid pump comprising a pump housing and a pump body, the pump body being mounted within the pump housing, the fluid pump comprising: the liquid suction device comprises a pump body, a liquid inlet and a liquid outlet, wherein a liquid outlet hole and a liquid inlet hole are formed in one end of the pump body, a liquid storage cavity communicated with the liquid outlet hole and the liquid inlet hole is formed in the other end of the pump body, a soft leather cup is mounted on the side of the liquid storage cavity, the periphery of the soft leather cup is in sealing assembly with the side of the liquid storage cavity, the middle part of the soft leather cup is driven by a movable part to move up and down, a liquid inlet and outlet nozzle and a liquid inlet and outlet valve plate clamped between the pump body and the liquid inlet and outlet nozzle are arranged above the pump body, a liquid inlet duck tongue valve plate and a liquid outlet valve plate are arranged on the liquid inlet and outlet valve plate, the liquid inlet and outlet are communicated to form a liquid inlet channel, the liquid inlet and outlet valve plate is opened and closed to achieve on-off of liquid suction, and the liquid outlet are communicated to form a liquid outlet channel, and the liquid outlet is opened and closed to achieve on-off of liquid pumping.

More specifically, the business turn over valve block is integrated into one piece's flexible glue material component, business turn over valve block with business turn over liquid mouth with the junction of the pump body all adopts sealing connection.

More specifically, the liquid inlet duck tongue valve plate and the liquid outlet duck tongue valve plate are respectively provided with a liquid inlet spring and a liquid outlet spring.

More specifically, the liquid inlet and outlet nozzle and the pump body are fixedly connected by an ultrasonic process.

More specifically, a leather cup gland is arranged below the soft leather cup, and the periphery of the soft leather cup is compressed between the pump body and the leather cup gland which are connected in a buckled mode.

More specifically, the center of the bottom surface of the soft leather cup is provided with a clamping part.

More specifically, the movable part upper end is passed through screw fixed connection and is covered with the movable part, joint portion installs in the assorted draw-in groove between movable part and the movable part lid, the movable part lower extreme is provided with a connection lantern ring.

More specifically, a driving mechanism for pushing the movable piece to move up and down is arranged below the movable piece.

More specifically, actuating mechanism includes the motor, the motor is installed in the pump case, the pinion is installed in the output pivot of motor, the pinion meshing is connected with the gear wheel, and the center of gear wheel is provided with eccentric cam, and eccentric cam outside cover is equipped with the connection lantern ring of moving part, and an axis of rotation is installed to eccentric cam inboard.

Compared with the prior art, the liquid pump has the following beneficial effects:

1. according to the utility model, through the matched arrangement of the driving mechanism, the moving part, the soft leather cup, the inlet and outlet valve plates and the liquid inlet and outlet nozzle, the driving mechanism pushes the moving part to move, so that the moving part drives the central position of the soft leather cup to move, the liquid outlet duck tongue valve plate can be driven to close when the moving part is pushed upwards, and the liquid inlet duck tongue valve plate is opened, otherwise, the liquid inlet duck tongue valve plate can be closed when the moving part is pushed downwards, the liquid outlet duck tongue valve plate is opened, liquid suction and pumping functions are generated by back and forth movement, the liquid inlet and the liquid outlet are integrated, the traditional two one-way valve structural schemes are improved by adopting the integrated inlet and outlet valve plates, the edges of the inlet and outlet valve plates are used for sealing and waterproofing, the number of parts and the assembly difficulty are reduced, and the cost is reduced.

2. According to the utility model, through the matching arrangement of the duck tongue valve plate, the liquid inlet spring and the liquid outlet spring, the duck tongue valve plate can be supported by utilizing the elasticity of the liquid inlet spring and the liquid outlet spring, the stability of the reset sealing function of the duck tongue valve plate is effectively enhanced, the suction and the discharge of a pump are stable, and the situation that the liquid cannot be sucked due to the non-sealing condition can be avoided.

3. According to the utility model, through the matching arrangement of the motor, the pinion, the rotating shaft, the gearwheel and the eccentric cam, the output rotating shaft of the motor drives the pinion to rotate, and the gearwheel drives the eccentric cam on the rotating shaft to rotate, so that reciprocating pumping and pushing movement can be carried out on a moving part, the scheme that the existing liquid pump adopts a piston mechanism is improved, and the labor intensity of manual assembly and the material cost are effectively reduced.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is an exploded view of the drive mechanism of the present invention;

fig. 5 is a schematic structural diagram of the driving mechanism of the present invention.

Fig. 6 is a schematic structural view of the inlet/outlet valve sheet according to the present invention.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

This embodiment provides a liquid pump, and this liquid pump is arranged in realizing the transport to liquid material in liquid transport, through design business turn over valve block 7, has improved two traditional check valve structural scheme to utilize the edge of business turn over valve block 7 to seal up waterproof, reduce part quantity and assembly degree of difficulty, the cost is reduced.

Referring to fig. 1 to 6, an embodiment of a liquid pump includes a pump case 1 and a pump body 10, the pump body 10 is located inside the pump case 1, the pump case 1 is composed of two split shells capable of being freely assembled, the two shells are connected through screws, a liquid storage chamber 4 is opened at one end of the pump body 10, a soft cup 5 is installed inside the liquid storage chamber 4, a cup gland 13 is arranged below the soft cup 5, and the periphery of the soft cup 5 is compressed by the cup gland 13 mutually buckled and the pump body 10 to form a sealing connection.

Be provided with the card protruding on the pump body 10, set up the card hole with the protruding looks adaptation of card on the leather cup gland 13, when installing soft leather cup 5, place into the inside of leather cup gland 13 with soft leather cup 5 earlier, impress the protruding card of the pump body 10 of card to the card hole that corresponds on the leather cup gland 13 again, realize buckle between them and connect, because soft leather cup 5 is compressed tightly all around between the pump body 10 and leather cup gland 13, the seal that has guaranteed the three and combined, waterproof grade is higher, make the liquid of top can not flow in on the motor of below, safety and reliability has been improved.

The movable part 6 is fixedly connected to one side of the soft cup 5, specifically, the center of the bottom surface of the soft cup 5 is fixedly connected with the clamping portion 14, the movable part 6 is fixedly connected with the movable part cover 15 through a screw, and the clamping portion 14 is installed in a clamping groove matched between the movable part 6 and the movable part cover 15.

Through adopting screwed connection's mode to be connected moving part lid 15 and moving part 6, can install joint portion 14 in the draw-in groove of the matching between moving part lid 15 and the moving part 6, make things convenient for the staff to dismantle and assemble soft leather cup 5.

A driving mechanism 9 for pushing the movable member 6 to slide is arranged below the movable member 6, specifically, the driving mechanism 9 includes a motor 91, the motor 91 is mounted on an inner bottom wall of the pump housing 1, a pinion 92 is mounted on an output rotating shaft of the motor 91, a rotating shaft 93 is mounted inside the pump housing 1, a large gear 94 is connected to an outer side of the rotating shaft 93, and the large gear 94 is meshed with the pinion 92.

The center of the large gear 94 is provided with an eccentric cam 95, the outer side of the eccentric cam 95 is sleeved with a connecting sleeve ring 61 of the movable piece 6, an output rotating shaft of the motor 91 drives the small gear 92 to rotate, the small gear 92 drives the large gear 94 to rotate, the eccentric cam 95 on the large gear 94 synchronously rotates to drive the movable piece 6 to move up and down, and the middle part of the soft leather cup 5 can be pulled and pushed.

Liquid outlet 2 and feed liquor hole 3 have been seted up to the other end of pump body 10, and liquid outlet 2, feed liquor hole 3 all are linked together with deposit liquid chamber 4, and the top of pump body 10 is provided with business turn over valve block 7, and the top of business turn over valve block 7 is provided with business turn over liquid mouth 8, and business turn over liquid mouth 8 and pump body 10 adopt ultrasonic wave technology to carry out fixed connection, and the motion that a pair of duck tongue valve block was gone up through business turn over valve block 7 in the inside of business turn over liquid mouth 8 and the inside of pump body 10 forms feed liquor channel and liquid outlet channel switching back and forth.

And a nozzle rubber ring and a jacking ring are further arranged on the outer side of the liquid inlet 81 of the liquid inlet and outlet nozzle 8, so that the sealing property of the connection of an external connecting piece and the liquid inlet can be ensured.

The inlet and outlet valve plates 7 are of an integrally formed integral soft structure, the peripheries of the inlet and outlet valve plates 7 are tightly pressed between the inlet and outlet liquid nozzles 8 and the pump body 10 to form sealing connection, the two ends of the inlet and outlet valve plates 7 are respectively provided with openable duck tongue valve plates 16, namely a liquid inlet duck tongue valve plate 161 and a liquid outlet duck tongue valve plate 162, a space for opening and closing the inlet and outlet liquid nozzles is arranged between the inlet and outlet liquid nozzles 8 and the pump body 10 corresponding to the two duck tongue valve plates 16, the two duck tongue valve plates 16 are respectively provided with a liquid outlet spring 11 and a liquid inlet spring 12, and the liquid inlet spring 12 and the liquid outlet spring 11 are respectively matched with the liquid inlet duck tongue valve plates 161 and the liquid outlet duck tongue valve plates 162.

The elasticity of the liquid outlet spring 11 and the liquid inlet spring 12 can be utilized to support the duck tongue valve plate 16, the stability of the resetting and sealing function of the duck tongue valve plate 16 is effectively enhanced, the suction and the pumping quantity of the pump are stable, and the situation that liquid cannot be sucked due to non-sealing can be avoided.

The working principle is as follows: firstly, a liquid inlet 81 is connected with an external liquid supply container, a liquid outlet 82 is connected with an external nozzle device, then, a motor 91 is started, an output rotating shaft of the motor 91 drives a pinion 92 to rotate, under the meshing action between the pinion 92 and a bull gear 94, the bull gear 94 drives an eccentric cam 95 to synchronously rotate, so that a movable piece 6 and a movable piece cover 15 move back and forth, a suction and push movement is carried out on a clamping part 14, when the middle part of a soft leather cup 5 moves towards the direction of the liquid outlet 82 far away, a liquid inlet duck tongue valve plate 161 at a liquid inlet hole 3 is opened, a liquid outlet duck tongue valve plate 162 at a liquid outlet hole 2 is closed, liquid enters a space enclosed by the soft leather cup 5 and a pump body 10 through the liquid inlet 81, when the soft leather cup 5 moves towards the direction of the liquid outlet 82, the liquid inlet duck tongue valve plate 161 at the liquid inlet hole 3 is closed, the liquid outlet duck tongue valve plate 162 at the liquid outlet hole 2 is opened, liquid flows out through the liquid outlet 82, the liquid inlet cover and the liquid outlet cover are integrated, the traditional two one-way valve structure schemes are improved by adopting the integral inlet and outlet valve plate 7, the edge of the inlet and outlet valve plate 7 is utilized for sealing and waterproofing, the number of parts and the assembly difficulty are reduced, and the cost is reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A liquid pump comprising a pump casing (1) and a pump body (10), and the pump body (10) is mounted inside the pump casing (1), characterized in that: liquid outlet hole (2) and liquid inlet hole (3) have been seted up to the one end of the pump body (10), the other end of the pump body (10) is seted up and is gone out liquid hole (2), deposit sap cavity (4) that feed liquor hole (3) communicate, deposit sap cavity (4) side-mounting soft leather cup (5), all around and deposit sap cavity (4) side seal assembly of soft leather cup (5), but the mid portion of soft leather cup (5) is driven by a moving part (6) up-and-down motion and is inhaled liquid and pump out liquid, the top of the pump body (10) is provided with business turn over liquid mouth (8) and presss from both sides tight business turn over valve block (7) between the pump body (10) and business turn over liquid mouth (8), is provided with feed liquor duck tongue valve block (161) and play liquid duck tongue valve block (162) on business turn over valve block (7) business turn over liquid mouth (8) and is provided with inlet (81) and liquid outlet (82), inlet (81) and feed liquor hole (3) intercommunication form the feed liquor channel and are opened with feed liquor duck tongue valve block (161 by feed liquor valve block (82), and deposit liquid mouth (81) The liquid outlet (82) is communicated with the liquid outlet hole (2) to form a liquid outlet channel, and the liquid outlet valve plate (162) is opened and closed to realize the on-off of the pumped liquid.

2. A liquid pump as defined in claim 1, wherein: the inlet and outlet valve plate (7) is an integrally formed soft rubber member, and the inlet and outlet valve plate (7) is connected with the inlet and outlet nozzle (8) and the pump body (10) in a sealing manner.

3. A liquid pump as defined in claim 1, wherein: the liquid inlet duck tongue valve plate (161) and the liquid outlet duck tongue valve plate (162) are respectively provided with a liquid inlet spring (12) and a liquid outlet spring (11).

4. A liquid pump as defined in claim 1, wherein: the liquid inlet and outlet nozzle (8) and the pump body (10) are fixedly connected by adopting an ultrasonic process.

5. A liquid pump as defined in claim 1, wherein: a leather cup gland (13) is arranged below the soft leather cup (5), and the periphery of the soft leather cup (5) is compressed between the pump body (10) and the leather cup gland (13) which are connected in a buckled mode.

6. A liquid pump as defined in claim 1, wherein: the center of the bottom surface of the soft leather cup (5) is provided with a clamping part (14).

7. A liquid pump according to claim 6, wherein: the movable part cover (15) is fixedly connected to the upper end of the movable part (6) through screws, the clamping portion (14) is installed in a clamping groove which is matched between the movable part (6) and the movable part cover (15), and a connecting sleeve ring (61) is arranged at the lower end of the movable part (6).

8. A liquid pump according to claim 6, wherein: and a driving mechanism (9) for pushing the moving piece (6) to move up and down is arranged below the moving piece (6).

9. A liquid pump as defined in claim 8, wherein: actuating mechanism (9) include motor (91), install in pump case (1) motor (91), pinion (92) are installed in the output pivot of motor (91), and pinion (92) meshing is connected with gear wheel (94), and the center of gear wheel (94) is provided with eccentric cam (95), and eccentric cam (95) outside cover is equipped with the connection lantern ring (61) of moving part (6), and a pivot (93) is installed to the eccentric cam inboard.