CN212985502U

CN212985502U - Diaphragm water pump suitable for viscous liquid

Info

Publication number: CN212985502U
Application number: CN202020288690.6U
Authority: CN
Inventors: 李啟洪
Original assignee: Foshan Yakeqi Electronic Appliance Co ltd
Current assignee: Foshan Yakeqi Electronic Appliance Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2021-04-16
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a diaphragm water pump suitable for viscous liquid, including water pump main part and the pumping device that is used for pumping water, water pump main part is including advancing outlet cover and valve block, be equipped with intake antrum and one-way outlet valve room between advancing outlet cover and the valve block, be equipped with between valve block and the pumping device with the one-way outlet valve room intercommunication go out the water cavity, be equipped with piston assembly in the one-way outlet valve room; the water pumping device comprises a diaphragm main body and a driving device, wherein the diaphragm main body is provided with a leather cup which can be compressed and deformed by the driving device; the upper end of the leather cup is extended with a diaphragm wall matched with the one-way water inlet valve chamber so as to limit water from flowing into the leather cup from the water outlet cavity. Adopt the utility model discloses, simple structure, pump water rivers are stable, and can avoid appearing the condition that the valve block bonded.

Description

Diaphragm water pump suitable for viscous liquid

Technical Field

The utility model relates to a water pump technical field especially relates to a be suitable for unfamiliar water pump of stickness liquid.

Background

The existing diaphragm pump is generally small in size, a main pump body of the existing diaphragm pump is generally made of plastics, and a one-way valve plate for controlling the flow direction of water flow is generally soft rubber. The mode that generally presses to the valve block in the outlet valve of current is fixed to take place the bonding easily, when low flow in addition, the hole that its valve block corresponds is less, can appear being difficult to break open the valve block or the degree of breaking open the valve block is not enough, so when being in low flow operating condition for a long time, the frequent condition of adhesion can appear, and influence the normal work of the pump body.

In addition, especially when the diaphragm pump is applied to fluids with high viscosity, such as liquids containing sugars, hand washing liquids, essential oils (essential oils for personal care), liquid medicines and the like, the conventional diaphragm pump in the prior art cannot be used on the viscous liquid, and after the viscous liquid is dried after the water pump is not used for a long time, the valve plate is easy to be bonded, so that the water pump fails, water is not pumped, and the service life of the water pump is shortened.

On the other hand, when the leather cups of the existing diaphragm water pump do the drainage movement, the leather cups can independently and separately directly discharge water to the water outlet pipe through the one-way valve, so that the rotating speed of the driving device of the diaphragm water pump and the number of the leather cups have large relevance influence on the stability of the water flow of the outlet pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a diaphragm pump of adaptation stickness liquid is provided, and pump rivers are stable, and can avoid appearing the condition that the valve block bonded.

In order to solve the technical problem, the utility model provides a diaphragm water pump, including water pump main part and the pumping device that is used for pumping water, water pump main part includes into outlet cover and valve block, be equipped with intake chamber and one-way outlet valve room between into outlet cover and the valve block, be equipped with between valve block and the pumping device with the one-way outlet valve room intercommunication go out the water cavity, be equipped with piston assembly in the one-way outlet valve room;

the water pumping device comprises a diaphragm main body and a driving device, wherein the diaphragm main body is provided with a leather cup which can be compressed and deformed by the driving device; the upper end of the leather cup is extended with a diaphragm wall matched with the one-way water inlet valve chamber so as to limit water from flowing into the leather cup from the water outlet cavity.

As an improvement of the scheme, the piston assembly comprises a piston shell with a water outlet hole and a piston used for blocking the water outlet hole, and the piston is arranged in the piston shell.

As an improvement of the scheme, the piston comprises a piston head, a piston rod connected with the piston head and a piston frame used for guiding the piston rod to move up and down, and the piston frame is provided with a guide hole matched with the piston rod.

As an improvement of the scheme, the valve block is provided with a communication hole, and the water outlet cavity is communicated with the water outlet hole through the communication hole.

As an improvement of the above scheme, the one-way water inlet valve chamber is arranged at the bottom of the valve block and is positioned in the water outlet cavity.

As an improvement of the scheme, the bottom of the one-way water inlet valve chamber is provided with a plurality of valve holes corresponding to the leather cups, and the one-way water inlet valve chamber is internally provided with a valve plate for blocking the valve holes.

As an improvement of the above scheme, the diaphragm wall is attached to the side wall of the one-way water inlet valve chamber to enclose the bottom of the one-way water inlet valve chamber;

the diaphragm wall is made of an elastic material.

As an improvement of the scheme, the water inlet and outlet cover is provided with a water inlet pipe communicated with the water inlet cavity and a water outlet pipe communicated with the one-way water outlet valve chamber.

As an improvement of the scheme, the piston shell is provided with a clamping groove used for installing the piston frame, and the piston frame is provided with a buckle matched with the clamping groove.

As an improvement of the scheme, the driving device comprises a motor, an eccentric block linked with the motor and a connecting rod linked with the eccentric block, and the bottom of the leather cup is connected with the connecting rod;

the center of the connecting rod is provided with a transmission shaft, the eccentric block is provided with an inclined shaft hole, one end of the transmission shaft is inserted into the shaft hole, and the eccentric block driven by the motor drives the connecting rod to deflect so as to compress or stretch the leather cup.

Implement the utility model discloses, following beneficial effect has:

the utility model discloses a be suitable for diaphragm pump of stickness liquid, including water pump main part and pumping device, the water pump main part is including the valve piece that business turn over water cover and valve piece, business turn over and be equipped with intake antrum and one-way outlet valve room between water cover and the valve piece, be equipped with between valve piece and the pumping device with the play water cavity of one-way outlet valve room intercommunication, be equipped with piston assembly in the one-way outlet valve room. The control of one-way water flow is realized in a piston mode, the water pressure thrust to which the water flow is subjected is large, the water flow does not need to be compressed and fixedly installed, and the water flow is not easy to bond.

Therefore, when each leather cup performs drainage movement, the diaphragm wall can be squeezed open, and therefore the gap between the leather cup and the one-way water inlet valve chamber flows into the water outlet cavity, so that the water discharged by the plurality of leather cups which perform drainage movement in turn firstly gathers in the water outlet cavity and is discharged through the one-way water outlet valve chamber, and the pumped water flow becomes stable.

Drawings

Fig. 1 is a schematic perspective view of a diaphragm water pump according to the present invention;

FIG. 2 is a schematic view of the diaphragm water pump according to the present invention;

FIG. 3 is a cross-sectional view of the diaphragm water pump of the present invention;

FIG. 4 is a schematic structural view of the piston assembly;

fig. 5 is a schematic cross-sectional view of another section of the diaphragm water pump of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the utility model provides a diaphragm water pump, including a water pump main body 1 and a water pumping device 2 for pumping water, the water pump main body includes a water inlet and outlet cover 11 and a valve block 12, a water inlet cavity 13 and a one-way water outlet valve chamber 14 are arranged between the water inlet and outlet cover 11 and the valve block 12, a water outlet cavity shell 15 is arranged between the valve block 12 and the water pumping device 2, and a water outlet cavity 151 communicated with the one-way water outlet valve chamber 14 is arranged in the water outlet cavity shell;

the valve block 12 is provided with a plurality of one-way water inlet valve chambers 121 for controlling the water flow direction, the water pumping device 2 comprises a diaphragm main body 21 and a driving device 22, and the diaphragm main body 21 is provided with a leather cup 211 which can be compressed and deformed by the driving device 22; the upper end of the cup 211 is extended with a diaphragm wall 212 matching with the one-way water inlet valve chamber 121 to limit water from flowing into the cup 211 from the water outlet chamber 151.

Specifically, the water inlet and outlet cover 11 is provided with a water inlet pipe 111 communicated with the water inlet cavity 13 and a water outlet pipe 112 communicated with the one-way water outlet valve chamber 14.

Referring to fig. 3, a piston assembly is provided in the one-way outlet valve chamber 14, and includes a piston housing 141 having an outlet hole 146, and a piston for blocking the outlet hole, which is installed in the piston housing. The piston is provided with a bore larger than that of a valve hole of the existing valve plate type, so that the piston is easier to push open in a drainage state, and the phenomenon of adhesion is difficult to occur generally. In detail, the piston comprises a piston head 142, a piston rod 143 connected with the piston head 142, and a piston frame 144 for guiding the piston rod 143 to move up and down, and the piston frame 144 is provided with a guide hole 145 adapted to the piston rod 143, so that the piston head 142 can move up and down along the guide hole 145 under the guidance of the piston rod 143, and the piston head 143 is limited from moving out of the piston housing 141. The piston head 142 is provided with a seal 1421 to improve its sealing performance during the water absorbing movement of the cup 211.

In the aspect of controlling the inflow of water, the one-way water inlet valve chamber 121 is disposed at the bottom of the valve block 12 and located in the water outlet cavity 151, the bottom of the one-way water inlet valve chamber 121 is provided with a plurality of valve holes 213 corresponding to the cup 211, a valve plate 213 for blocking the valve holes 213 is disposed in the one-way water inlet valve chamber 121, and when the cup 211 performs a water sucking motion, water flows through the water inlet pipe 111, sequentially flows through the water inlet cavity 13, the one-way water inlet valve chamber 121 and the valve holes 213, and then flows into the cup 211 by flushing the valve plate 213 with the water flow. The valve plate 213 is preferably a umbrella-T valve plate.

In terms of controlling water flow discharge, the valve block 12 is provided with a communication hole 122, and the water outlet chamber 151 is communicated with the water outlet hole 146 through the communication hole 122; the diaphragm wall 212 is attached to the sidewall of the one-way water inlet valve chamber 121 to enclose the bottom of the one-way water inlet valve chamber 121, so as to prevent the cup 211 from sucking water in the water outlet chamber 151 into the cup 211 during the water sucking movement. The diaphragm wall 212 is made of an elastic material. Therefore, when the cup 211 performs a draining motion, when the water pressure in the cup 211 increases, the diaphragm wall 212 is stretched, so that a gap for water to flow out is formed between the diaphragm wall 212 and the side wall of the one-way water inlet valve chamber 121, and thus the water in the cup 211 can flow into the water outlet chamber 151 through the gap in a draining state. And the water in the water outlet cavity 151 flows through the communication hole 122 and the water outlet hole 146 in sequence under the pressurization of the drainage motion of each cup 211, pushes the piston head 142 open, and finally flows into the water outlet pipe 112.

In order to facilitate the assembly of the piston assembly, the piston housing 141 is provided with a locking groove 1211 for installing the piston frame 144, and the piston frame 144 is provided with a catch 1411 matched with the locking groove. The installer can simply snap the piston holder into the piston housing 141 to complete the installation.

Referring to fig. 5, for the driving of the leather cup 211, the driving device 22 includes a motor 221, an eccentric block 222 linked with the motor 221, and a connecting rod 223 linked with the eccentric block, and the bottom of the leather cup 211 is connected with the connecting rod 223;

the center of the connecting rod 223 is provided with a transmission shaft 224, the eccentric block is provided with an inclined shaft hole 225, one end of the transmission shaft 224 is inserted into the shaft hole 225, and the eccentric block 222 driven by the motor 221 drives the connecting rod 223 to deflect so as to compress or stretch the leather cup.

Preferably, the diaphragm main body 21, the cup 211 and the diaphragm wall 212 are made of soft rubber.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. A diaphragm water pump suitable for viscous liquid is characterized by comprising a water pump main body and a water pumping device used for pumping water, wherein the water pump main body comprises a water inlet cover, a water outlet cover and a valve block, a water inlet cavity and a one-way water outlet valve chamber are arranged between the water inlet cover, the water outlet cover and the valve block, a water outlet cavity communicated with the one-way water outlet valve chamber is arranged between the valve block and the water pumping device, and a piston assembly is arranged in the one-way water outlet valve chamber;

2. The membrane water pump according to claim 1, wherein the piston assembly includes a piston housing having a water outlet opening and a piston for blocking the water outlet opening, the piston being mounted within the piston housing.

3. The membrane water pump as claimed in claim 2, wherein the piston includes a piston head, a piston rod connected to the piston head, and a piston frame for guiding the piston rod to move up and down, the piston frame being provided with a guide hole adapted to the piston rod.

4. The diaphragm water pump according to claim 2, wherein said valve block is provided with a communication hole through which said outlet chamber communicates with said outlet hole.

5. The membrane water pump as claimed in claim 1, wherein the one-way inlet valve chamber is disposed at the bottom of the valve block and is located in the outlet chamber.

6. The diaphragm water pump according to claim 1, wherein a plurality of valve holes corresponding to the leather cup are formed at the bottom of the one-way water inlet valve chamber, and a valve plate for blocking the valve holes is arranged in the one-way water inlet valve chamber.

7. The diaphragm water pump as claimed in claim 1, wherein said diaphragm wall is attached to a side wall of said one-way water inlet valve chamber to enclose a bottom of said one-way water inlet valve chamber;

the diaphragm wall is made of an elastic material.

8. The membrane water pump as claimed in claim 1, wherein said inlet and outlet covers are provided with an inlet pipe communicating with said inlet chamber and an outlet pipe communicating with said one-way outlet valve chamber.

9. The diaphragm water pump as claimed in claim 3, wherein said piston housing is provided with a locking groove for mounting said piston holder, said piston holder being provided with a locking means adapted to said locking groove.

10. The diaphragm water pump according to claim 1, wherein said driving means comprises a motor, an eccentric mass interlocked with the motor, and a connecting rod interlocked with the eccentric mass, and a bottom of said cup is connected to said connecting rod;