CN211009035U - Pump head sealing connecting piece and have its pump - Google Patents
Pump head sealing connecting piece and have its pump Download PDFInfo
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- CN211009035U CN211009035U CN201920917878.XU CN201920917878U CN211009035U CN 211009035 U CN211009035 U CN 211009035U CN 201920917878 U CN201920917878 U CN 201920917878U CN 211009035 U CN211009035 U CN 211009035U
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Abstract
The utility model provides a pump head sealing connecting piece and have its pump, pump head sealing connecting piece includes inseparable connecting piece and sealing member mutually, pump head sealing connecting piece is located between stock solution device and the pump body, the connecting piece can be with stock solution device and pump body connection as an organic whole, the sealing member can seal the junction of connecting piece and stock solution device; be equipped with inlet channel, liquid outlet channel and liquid return passage on the connecting piece, liquid between connecting piece and the outside liquid device can pass through liquid return passage flow back extremely in the stock solution device, pump head sealing connecting piece and have its pump have that sealing performance is good, the installation is simple, convenient, and can make the advantage of unnecessary liquid backward flow in the pump.
Description
Technical Field
The utility model relates to a fluid transport technical field, concretely relates to pump, in particular to pump head sealing connecting piece and have its pump.
Background
The pump is a machine for conveying fluid or pressurizing fluid, and it transfers the mechanical energy of prime mover or other external energy to fluid to increase the energy of fluid, mainly used for conveying liquid, such as water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal, and also can convey gas, gas mixture, gas-liquid mixture and liquid containing suspended solid matter, and can be divided into volumetric pump and vane pump according to different working principles, in which the volumetric pump utilizes the change of its working chamber volume to transfer energy.
The existing pumps, especially diaphragm pumps, generally have the following two disadvantages: firstly, the pump is not provided with a liquid backflow channel, for example, when the pump stops working, redundant liquid cannot flow back to a liquid storage bottle and the like; secondly, the connecting piece and the sealing piece of the pump head are mutually separated, so that the assembly of the pump head or the installation and connection of the pump are very complicated, the technical difficulty is high, and the labor cost is high.
In view of this, it is an urgent technical problem to provide a pump head sealing connector and a pump having the same, which has good sealing performance, simple and convenient installation, and can make the excessive liquid in the pump flow back.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a pump head sealing connecting piece and have its pump to there is not liquid return passage in solving current pump, the unable backward flow of liquid and the connecting piece and the sealing member alternate segregation of pump head, the technical problem that the installation degree of difficulty is big.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a pump head sealing connecting piece comprises a connecting piece and a sealing piece which are mutually inseparable, the pump head sealing connecting piece is positioned between a liquid storage device and a pump body, the connecting piece can connect the liquid storage device and the pump body into a whole, and the sealing piece can seal the connecting part with the liquid storage device; be equipped with inlet channel, liquid outlet channel and liquid return channel on the connecting piece, liquid between connecting piece and the outside liquid device of using can pass through liquid return channel backward flow extremely in the stock solution device.
Furthermore, the liquid return channel on the connecting piece comprises a liquid return port and a liquid return pipeline which are communicated with each other, the liquid return port is positioned on the connecting piece, one end of the liquid return pipeline is communicated with an external liquid using device through the liquid return port, and the other end of the liquid return pipeline is communicated with the liquid storage device.
Furthermore, the liquid inlet channel on the connecting piece comprises a liquid inlet cavity and a second liquid inlet hole which are mutually communicated, one side of the liquid inlet cavity is communicated with the liquid storage device through the second liquid inlet hole, and the other side of the liquid inlet cavity is communicated with a liquid inlet component on the pump body; the liquid outlet channel on the connecting piece comprises a liquid outlet cavity and a liquid outlet which are communicated with each other, one side of the liquid outlet cavity is communicated with the liquid outlet part of the pump body, and the other side of the liquid outlet cavity is provided with the liquid outlet.
Further, in a use state, the liquid return port is located below the liquid outlet, and the liquid storage device is located below the pump head sealing connecting piece.
Furthermore, the connecting piece comprises a base and a conveying part, the liquid inlet cavity and the liquid outlet cavity are positioned on the base, and one ends of the liquid inlet cavity and the liquid outlet cavity, which are far away from the conveying part, are open and are connected with the pump body; and a second liquid return hole is formed in the conveying part, one end of the second liquid return hole is communicated with the liquid storage device, and the other end of the second liquid return hole is communicated with the liquid return pipeline.
Further, the sealing member includes interconnect's sealed pad, connecting portion and sealing washer, sealed pad is located conveying portion keeps away from the one end of base, the sealing washer encircles in the junction of base and conveying portion, connecting portion pass from inside conveying portion back, respectively with sealing washer and sealed pad are connected.
Further, the connecting part comprises a plurality of columnar structures which are connected with the sealing gasket and the sealing ring.
Furthermore, a first liquid inlet hole and a first liquid return hole are formed in the sealing gasket, and the first liquid inlet hole and the second liquid inlet hole are correspondingly arranged and are communicated with each other; the first liquid return hole and the second liquid return hole are correspondingly arranged and are communicated with each other.
Furthermore, an annular groove is formed in the periphery of the end part, close to the base, of the conveying part, and part of the sealing ring is located in the groove.
A pump comprising a pump body and a pump head seal connection as claimed in the preceding claim.
Compared with the prior art, pump head sealing connecting piece and have its pump have following advantage:
(1) the pump head sealing connecting piece and the pump with the same of the utility model have the advantages that through the arrangement of the liquid return channel, the liquid between the connecting piece and the external liquid using device can flow back into the liquid storage device through the liquid return channel, on one hand, the residual liquid is timely recovered, and the waste of the liquid is avoided; on the other hand, the phenomenon that the subsequent use is influenced by the blockage of an external liquid using device after the residual liquid is solidified is avoided.
(2) Moreover, this application is through inciting somebody to action pump head sealing connection spare sets up to inseparable connecting piece and sealing member mutually, and not only simple structure, sealing performance are good, when using, need not to install sealing member and connecting piece respectively moreover, make pump head sealing connection spare's assembly is more convenient with the use.
(3) In addition, the pump head sealing connecting piece is prepared by two-step injection molding, and has the advantage of simple and convenient preparation.
To sum up, pump head sealing connecting piece and have its pump have that sealing performance is good, the installation is simple, convenient, and can make the advantage of unnecessary liquid backward flow in the pump.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic front view of a pump according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a pump according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken along the line A-A in FIG. 2;
fig. 4 is a schematic perspective view of a pump according to an embodiment of the present invention;
fig. 5 is an exploded view of the pump according to the embodiment of the present invention;
fig. 6 is a schematic structural view of a connecting member in a pump according to an embodiment of the present invention;
FIG. 7 is another schematic view of a connection piece of the pump according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a sealing member in a pump according to an embodiment of the present invention;
FIG. 9 is another schematic view of a seal in a pump according to an embodiment of the present invention;
fig. 10 is a schematic view of an assembly structure of a sealing member and a connecting member in a pump according to an embodiment of the present invention.
Description of reference numerals:
1-sealing element, 101-sealing pad, 102-sealing ring, 103-connecting part, 104-first liquid inlet hole, 105-first liquid return hole, 106-clamping connecting part, 2-connecting part, 201-base, 202-conveying part, 203-liquid outlet, 204-liquid return port, 205-liquid inlet cavity, 206-liquid outlet cavity, 207-groove, 208-first connecting hole, 209-second connecting hole, 210-second liquid inlet hole, 211-second liquid return hole, 3-valve seat, 4-diaphragm, 5-diaphragm mounting seat, 6-cam, 7-cam mounting seat, 8-motor, 9-liquid outlet umbrella valve, 10-liquid inlet umbrella valve, 11-first fastening screw and 12-second fastening screw.
Detailed Description
In order to make the technical means, purpose and efficacy of the present invention easy to understand, the following embodiments of the present invention are described in detail with reference to the specific drawings.
It should be noted that all terms used in the present invention for directional and positional indication, such as: "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "top", "lower", "lateral", "longitudinal", "center", etc., are used only for explaining the relative positional relationship, connection conditions, etc., between the respective members in a certain specific state, and are only for convenience of description of the present invention, but do not require the present invention to be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Example 1
As shown in fig. 1 to 10, a pump head sealing connector includes a connector 2 and a sealing member 1, which are mutually inseparable, the pump head sealing connector is located between a liquid storage device and a pump body, the connector 2 can connect the liquid storage device and the pump body into a whole, and the sealing member 1 can seal a joint of the connector 2 and the liquid storage device; be equipped with inlet channel, liquid outlet channel and liquid return channel on the connecting piece 2, liquid between connecting piece 2 and the outside liquid device can pass through liquid return channel flows back to in the stock solution device.
According to the liquid storage device, the liquid between the connecting piece 2 and the external liquid utilization device can flow back into the liquid storage device through the liquid return channel through the arrangement of the liquid return channel, on one hand, the residual liquid is timely recovered, and the waste of the liquid is avoided; on the other hand, the phenomenon that the subsequent use is influenced by the blockage of an external liquid using device after the residual liquid is solidified is avoided. Furthermore, this application is through inciting somebody to action pump head sealing connection spare sets up to mutually inseparable connecting piece 2 and sealing member 1, when using, need not to install sealing member and connecting piece respectively, makes pump head sealing connection spare's assembly is more convenient with the use.
Further, the liquid inlet channel on the connecting piece 2 includes a liquid inlet cavity 205 and a second liquid inlet hole 210 which are communicated with each other, one side of the liquid inlet cavity 205 is communicated with a liquid storage device, such as a liquid storage bottle, etc., through the second liquid inlet hole 210, and the other side of the liquid inlet cavity 205 is communicated with a liquid inlet component, such as a liquid inlet valve, etc., on the pump body, so that the pump body can pump the liquid in the liquid storage device into the liquid inlet cavity 205, and then enter the pump body through the liquid inlet valve; the liquid outlet channel on the connecting piece 2 comprises a liquid outlet cavity 206 and a liquid outlet 203 which are communicated with each other, one side of the liquid outlet cavity 206 is communicated with a liquid outlet part of the pump body, such as a liquid outlet valve, and the other side of the liquid outlet cavity is provided with the liquid outlet 203, and the pump body can pump liquid in the pump body into the liquid outlet cavity 206 and discharge the liquid through the liquid outlet 203. The liquid inlet cavity 205, the second liquid inlet hole 210, the liquid outlet cavity 206 and the liquid outlet 203 are integrally formed with the connecting member 2 by injection molding.
Further, the liquid return channel on the connecting piece 2 comprises a liquid return port 204 and a liquid return pipeline which are communicated with each other, the liquid return port 204 is located on the connecting piece 2, the liquid return pipeline is located inside the connecting piece 2, one end of the liquid return pipeline is communicated with an external liquid using device through the liquid return port 204, and the other end of the liquid return pipeline is communicated with the liquid storage device. After the pump body stops working, liquid between the liquid return port 204 and an external liquid consumption device can flow back to the liquid storage device through the liquid return port 204 and a liquid return path. The liquid return port 204 and the liquid return pipeline are integrally formed with the connecting piece 2 through injection molding.
Preferably, in a use state, the liquid return port 204 is located below the liquid outlet 203, the liquid storage device is located below the pump head sealing connector, and liquid between the liquid return port 204 and an external liquid device can flow back into the liquid storage device through the liquid return port 204 and a liquid return line under the action of gravity. This makes the liquid process of returning need not power assistance, and is more energy-conserving.
Furthermore, the connecting piece 2 comprises a base 201 and a conveying part 202, the liquid inlet cavity 205 and the liquid outlet cavity 206 are positioned on the base 201, and one ends of the liquid inlet cavity 205 and the liquid outlet cavity 206, which are far away from the conveying part 202, are open and connected with a pump body; the conveying part 202 is provided with a second liquid inlet hole 210 and a second liquid return hole 211, one end of the second liquid inlet hole 210 is communicated with the liquid storage device, the other end of the second liquid inlet hole 210 is communicated with the liquid inlet cavity 205, one end of the second liquid return hole 211 is communicated with the liquid storage device, and the other end of the second liquid return hole 211 is communicated with the liquid return pipeline.
Preferably, the conveying part 202 is a cylindrical structure, and the second liquid inlet hole 210 and the second liquid return hole 211 are through holes arranged parallel to the axis of the conveying part 202.
Further, the sealing element 1 comprises a sealing gasket 101, a connecting portion 103 and a sealing ring 102 which are connected with each other, the sealing gasket 101 is located at one end, away from the base 201, of the conveying portion 202, the sealing ring 102 surrounds the connecting portion of the base 201 and the conveying portion 202, and the connecting portion 103 penetrates through the conveying portion 202 from inside and then is respectively connected with the sealing ring 102 and the sealing gasket 101, so that the sealing element 1 and the connecting member 2 are wound and inserted with each other to form an integral body which is not detachable and separable.
Preferably, the material of the sealing element 1 is rubber, and the sealing gasket 101, the connecting portion 103 and the sealing ring 102 are integrally formed.
Furthermore, the connecting portion 103 is a plurality of columnar structures connecting the sealing gasket 101 and the sealing ring 102, a plurality of first connecting holes 208 parallel to the axis of the conveying portion 202 are formed in the conveying portion 202, the first connecting holes 208 are through holes, and the connecting portion 103 is connected with the sealing gasket 101 and the sealing ring 102 into a whole after passing through the first connecting holes 208. This enables the connecting portion 103 to be tightly coupled to the delivery portion 202, and prevents the gasket 101 and the sealing ring 102 from sliding and deflecting during use.
Preferably, the sealing gasket 101 is a circular sheet structure, the sealing ring 102 is a circular ring structure, the conveying part 202 is a cylindrical structure, the connecting part 103 includes a plurality of columnar structures arranged at uniform intervals along the circumference, and correspondingly, the first connecting hole 208 also includes a plurality of through holes arranged at uniform intervals along the circumference.
More preferably, the connecting member 2 is made of plastic by injection molding, and during production, the connecting member 2 is first injection molded by a grinding mold, and then the sealing member 1 is injection molded and formed on the basis of the connecting member 2. Therefore, the connecting piece 2 and the sealing piece 1 are inseparable whole bodies when the production is finished, no additional assembly is needed when the pump is used, the operation is simple, and the assembly among the pump head sealing connecting piece, the pump body and the liquid storage device can be finished by common staff or users.
Furthermore, after the pump head sealing connector is assembled, the sealing gasket 101 is clamped between the pump head sealing connector and the liquid outlet device, and is used for sealing a liquid inlet and a liquid return position between the liquid outlet device and the pump head sealing connector. Specifically, a first liquid inlet hole 104 and a first liquid return hole 105 are formed in the sealing gasket 101, and the first liquid inlet hole 104 and the second liquid inlet hole 210 are correspondingly arranged and are communicated with each other; the first liquid return hole 105 and the second liquid return hole 211 are correspondingly arranged and communicated with each other.
Further, an annular groove 207 is formed in the periphery of the end portion of the conveying portion 202 close to the base 201, and the sealing ring 102 is located in the groove 207. The provision of the groove 207 further avoids slippage and misalignment of the seal ring 102.
Furthermore, the inner side of the sealing ring 102 is provided with a clamping and fixing connection portion 106 in a lug shape, one end of the clamping and fixing connection portion 106 is connected with the inner side of the sealing ring 102, the other end of the clamping and fixing connection portion 106 is connected with the connection portion 103, and the arrangement of the clamping and fixing connection portion 106 can improve the connection strength between the sealing ring 102 and the connection portion 103.
Correspondingly, a second connection hole 209 is formed at the end part of the conveying part 202 close to the base 201, and the second connection hole 209 enables the first connection hole 208 to be communicated with the groove 207. After the sealing element 1 and the connecting element 2 are prepared, the connecting portion 103 is located in the first connecting hole 208, the clamping and fixing connecting portion 106 is located in the second connecting hole 209, the sealing ring 102 is located in the groove 207, and the sealing gasket 101 is located at an end portion of the conveying portion 202 far away from the base 201.
As some embodiments of the present application, the liquid storage device is a liquid storage bottle, the liquid storage bottle has a bottle opening and a bottle cap, when the pump head sealing connector is connected to the liquid storage bottle, at least a part of the conveying part 202 is inserted into the bottle cap, the bottle cap is provided with a third liquid inlet hole and a third liquid return hole corresponding to the first liquid inlet hole 104 and the first liquid return hole 105, respectively, liquid in the liquid storage bottle enters the pump head sealing connector and the pump body through the third liquid inlet hole, liquid in the liquid return channel flows back through the third liquid return hole and enters the liquid storage bottle, the pump head sealing connector seals the peripheries of the third liquid inlet hole and the third liquid return hole of the liquid storage bottle through the sealing gasket 101 at the end of the conveying part 202, so as to prevent the liquid from leaking out when the liquid storage bottle is discharged or flows back into the liquid storage bottle; when pump head sealing connection spare with when the stock solution bottle is connected, the bottle lid of stock solution bottle is kept away from one side of stock solution bottle is located base 201 with the junction of transport portion 202, at this moment, through sealing washer 102 can be right the junction seals, avoids liquid in the bottle lid oozes.
Example 2
As shown in fig. 1 to 10, a pump includes a pump head sealing connector and a pump body, wherein the pump head sealing connector has the structure described in embodiment 1, and is not described herein again; the pump body includes disk seat 3, diaphragm 4 and power component, be equipped with feed liquor umbrella valve 10 on the disk seat 3 and go out liquid umbrella valve 9, feed liquor umbrella valve 10 with feed liquor chamber 205 corresponds the setting, go out liquid umbrella valve 9 with it corresponds the setting to go out liquid chamber 206. The diaphragm chamber of each diaphragm 4 is at least provided with a liquid inlet umbrella valve 10 and a liquid outlet umbrella valve 9.
When the volume of the diaphragm chamber of the diaphragm 4 is increased under the action of the power assembly, the liquid inlet umbrella valve 10 is opened under the action of the pressure difference between two sides, so that the liquid in the liquid storage device can be sucked into the diaphragm chamber; when the volume of the diaphragm chamber of the diaphragm 4 is reduced under the action of the power assembly, the liquid outlet umbrella valve 9 will be opened under the action of the pressure difference between the two sides, so that the liquid in the diaphragm chamber is squeezed and discharged out of the diaphragm chamber, flows into the liquid outlet cavity 206, and then is discharged to an external liquid consuming device through the liquid outlet 203.
When the pump stops working, the liquid between the connecting piece 2 and the external liquid device can flow back to the liquid storage device through the liquid return port 204, the liquid return pipeline and the second liquid return hole 211 under the action of gravity.
Further, the pump further comprises a diaphragm mounting seat 5, the diaphragm 4 is mounted on the diaphragm mounting seat 5, and the valve seat 3 covers the diaphragm chamber of the diaphragm 4.
Further, the power assembly comprises a cam 6 and a motor 8, the motor 8 is connected with the cam 6 and can drive the cam 6 to rotate, the cam 6 is connected with the diaphragm 4 and can enable the diaphragm chamber of the diaphragm 4 to be periodically expanded or compressed under the driving of the motor 8 so as to suck or discharge liquid.
Further, the power assembly further comprises a cam mounting seat 7, and the cam 6 is located in the cam mounting seat 7.
Furthermore, the connecting piece 2 is connected with the pump body through a first fastening screw 11; the components in the pump body are connected by a second fastening screw 12.
As some embodiments of the present application, the external liquid device is an atomizing sheet, and the atomizing sheet can atomize the liquid flowing out from the liquid outlet 203. The liquid outlet device is a positive liquid storage bottle, the pump head sealing connecting piece is positioned on the upper side of the liquid storage bottle, and the pump body is positioned on the upper side of the pump head sealing connecting piece. Work as after pump and atomizing piece stop work, connecting piece 2 with liquid between the atomizing piece can pass through return liquid mouth 204 and return liquid pipeline backward flow extremely in the stock solution bottle, avoid liquid to pass through the atomizing piece oozes or stops for a long time connecting piece 2 with between the atomizing piece, breed the bacterium, cause the pollution or block up after solidifying the atomizing piece.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A pump head sealing connecting piece, which is characterized by comprising a connecting piece (2) and a sealing piece (1) which are mutually inseparable, wherein the pump head sealing connecting piece is positioned between a liquid storage device and a pump body, the connecting piece (2) can connect the liquid storage device and the pump body into a whole, and the sealing piece (1) can seal the joint of the connecting piece (2) and the liquid storage device; be equipped with inlet channel, liquid outlet channel and liquid return channel on connecting piece (2), liquid between connecting piece (2) and the outside liquid device that uses can pass through liquid return channel flows back extremely in the stock solution device.
2. A pump head seal connection according to claim 1, wherein the return channel on the connection member (2) comprises a return port (204) and a return line which are communicated with each other, the return port (204) is located on the connection member (2), one end of the return line is communicated with an external liquid consuming device through the return port (204), and the other end is communicated with the liquid storage device.
3. A pump head seal connection according to claim 2, wherein the liquid inlet channel on the connection member (2) comprises a liquid inlet chamber (205) and a second liquid inlet hole (210) which are communicated with each other, one side of the liquid inlet chamber (205) is communicated with the liquid storage device through the second liquid inlet hole (210), and the other side of the liquid inlet chamber (205) is communicated with the liquid inlet component on the pump body; the liquid outlet channel on the connecting piece (2) comprises a liquid outlet cavity (206) and a liquid outlet (203) which are communicated with each other, one side of the liquid outlet cavity (206) is communicated with a liquid outlet part of the pump body, and the other side of the liquid outlet cavity is provided with the liquid outlet (203).
4. A pump head seal connection as claimed in claim 3, wherein, in use, the return port (204) is located below the exit port (203) and the reservoir means is located below the pump head seal connection.
5. A pump head sealing connection according to claim 3, wherein the connection (2) comprises a base (201) and a pumping part (202), the inlet chamber (205) and the outlet chamber (206) being located on the base (201), the ends of the inlet chamber (205) and the outlet chamber (206) remote from the pumping part (202) being open and connected to a pump block; and a second liquid return hole (211) is formed in the conveying part (202), one end of the second liquid return hole (211) is communicated with the liquid storage device, and the other end of the second liquid return hole is communicated with the liquid return pipeline.
6. A pump head sealing connection as claimed in claim 5, wherein the seal (1) comprises a sealing gasket (101), a connecting portion (103) and a sealing ring (102) connected to each other, the sealing gasket (101) being located at an end of the pumping part (202) remote from the base (201), the sealing ring (102) being looped around the junction of the base (201) and the pumping part (202), the connecting portion (103) being connected to the sealing ring (102) and the sealing gasket (101) respectively after passing internally through the pumping part (202).
7. A pump head seal connection as claimed in claim 6, wherein the connection portion (103) comprises a plurality of cylindrical structures connecting the seal (101) and the seal ring (102).
8. A pump head seal connection according to claim 6, wherein the gasket (101) is provided with a first inlet hole (104) and a first return hole (105), the first inlet hole (104) and the second inlet hole (210) being disposed in correspondence and in communication with each other; the first liquid return hole (105) and the second liquid return hole (211) are arranged correspondingly and communicated with each other.
9. A pump head seal connection as claimed in claim 6, wherein an annular groove (207) is provided in the periphery of the end of the feed part (202) adjacent the base (201), part of the sealing ring (102) being located within the groove (207).
10. A pump comprising a pump body and a pump head seal connection according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917878.XU CN211009035U (en) | 2019-06-18 | 2019-06-18 | Pump head sealing connecting piece and have its pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917878.XU CN211009035U (en) | 2019-06-18 | 2019-06-18 | Pump head sealing connecting piece and have its pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211009035U true CN211009035U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920917878.XU Active CN211009035U (en) | 2019-06-18 | 2019-06-18 | Pump head sealing connecting piece and have its pump |
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| CN (1) | CN211009035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112826348A (en) * | 2021-02-08 | 2021-05-25 | 广东伊诺智能家居科技有限公司 | Soap dispenser with mixing ratio adjusting pump body |
| CN112869605A (en) * | 2021-01-13 | 2021-06-01 | 厦门建霖健康家居股份有限公司 | Liquid feeding pump |
-
2019
- 2019-06-18 CN CN201920917878.XU patent/CN211009035U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112869605A (en) * | 2021-01-13 | 2021-06-01 | 厦门建霖健康家居股份有限公司 | Liquid feeding pump |
| CN112826348A (en) * | 2021-02-08 | 2021-05-25 | 广东伊诺智能家居科技有限公司 | Soap dispenser with mixing ratio adjusting pump body |
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