CN113530810A - Plunger type water pump and tooth washing device - Google Patents
Plunger type water pump and tooth washing device Download PDFInfo
- Publication number
- CN113530810A CN113530810A CN202110440121.8A CN202110440121A CN113530810A CN 113530810 A CN113530810 A CN 113530810A CN 202110440121 A CN202110440121 A CN 202110440121A CN 113530810 A CN113530810 A CN 113530810A
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- Prior art keywords
- plunger
- sealing
- water pump
- type water
- sealing diaphragm
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/143—Sealing provided on the piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention claims a plunger type water pump and a tooth washing device, wherein the plunger type water pump comprises a shell cover, a three-way cabin body arranged in the shell cover, a water pushing plunger, a sealing diaphragm and a driving assembly, wherein the three-way cabin body and the sealing diaphragm are assembled and sealed, and the three-way cabin body and the sealing diaphragm are matched and form a pump pressure cavity; the water pushing column plug is arranged in the pumping pressure cavity and is in clearance fit with the inner wall of the three-way cabin body; the driving component can drive the water pushing plug to do reciprocating motion relative to the three-way cabin body through the sealing diaphragm so as to control the water inlet and outlet of the pumping pressure cavity. When the plunger type water pump works, no frictional resistance exists between the water pushing plunger which moves in a reciprocating mode and the three-way bin body, and the influence on the assembly and sealing between the three-way bin body and the sealing membrane is avoided, so that the sealing performance of the plunger type water pump during working is ensured, and the service life of the plunger type water pump is further prolonged.
Description
Technical Field
The invention belongs to the technical field related to tooth washers, and particularly relates to a plunger type water pump and a tooth washer.
Background
At present, the existing water feeding pump of the tooth washing device is generally a plunger type water pump, and the water feeding and discharging of the tooth washing device is controlled by utilizing the pressure change in a pump body caused by the continuous reciprocating motion of a plunger rod in the pump body.
The sealing structure between the plunger rod and the pump body of the plunger type water pump generally adopts an O-shaped sealing ring sleeved on the plunger rod, and realizes the assembly sealing between the plunger rod and the pump body by utilizing the contact fit between the O-shaped sealing ring and the pump body. However, because the O-ring is in contact fit with the pump body, when the plunger rod drives the O-ring to reciprocate relative to the pump body, frictional resistance is generated between the O-ring and the pump body, which causes abrasion of the O-ring, and decreases the sealing performance between the O-ring and the pump body, which further causes water leakage and air leakage of the water suction pump, and reduces the service life of the product.
Disclosure of Invention
Accordingly, it is desirable to provide a plunger type water pump and a tooth washing device for solving the technical problems of the prior art.
The plunger type water pump comprises a shell cover, a three-way cabin body, a water pushing plunger, a sealing diaphragm and a driving assembly, wherein the three-way cabin body is arranged in the shell cover, the three-way cabin body and the sealing diaphragm are assembled and sealed, and the three-way cabin body and the sealing diaphragm are matched and form a pump pumping cavity; the water pushing column plug is arranged in the pumping pressure cavity and is in clearance fit with the inner wall of the three-way cabin body; the driving assembly can drive the water pushing plunger piston to do reciprocating motion relative to the three-way cabin body through the sealing diaphragm so as to control water inlet and outlet of the pumping cavity.
According to the plunger type water pump, through the reasonable structural arrangement, the plunger type water pump can realize the sealing of water inlet and outlet when the plunger type water pump works by utilizing the sealing assembly between the sealing diaphragm and the three-way bin body, and the water pushing plunger for controlling the water inlet and outlet of the three-way bin body is arranged in the pump pressure cavity formed by the matching of the three-way bin body and the sealing diaphragm and is in clearance fit with the three-way bin body, so that the water pushing plunger which reciprocates does not have friction resistance with the three-way bin body, the influence on the assembly sealing between the three-way bin body and the sealing diaphragm is avoided, the sealing performance when the plunger type water pump works is ensured, and the service life of the plunger type water pump is further prolonged.
As a preferable scheme of the present invention, the plunger plug is provided with a flow channel, so that a medium disposed between the sealing diaphragm and the plunger plug can be discharged through the flow channel.
In the invention, the medium arranged between the sealing membrane and the water pushing column plug is discharged in time by the flow of the medium by arranging the flow channel on the water pushing column plug, so that the medium is prevented from accumulating between the sealing membrane and the water pushing column plug, the effect of reducing the load of the sealing membrane is achieved, the sealing property of the assembly between the sealing membrane and the three-way cabin body is further ensured, and the service life of the sealing membrane is prolonged.
In a preferred embodiment of the present invention, the flow passage is a groove formed in an outer peripheral wall of the plunger plug.
In the invention, the flow channel is designed to be a groove structure arranged on the peripheral wall of the water pushing plunger piston, so that the structure of the water pushing plunger piston is simplified, and the production and preparation of the water pushing plunger piston are facilitated; meanwhile, the notch is formed in the peripheral wall of the water pushing plunger, so that the effect of expanding the assembly clearance between the water pushing plunger and the three-way cabin body is achieved, and further no friction resistance exists between the water pushing plunger and the three-way cabin body when the water pushing plunger reciprocates.
As a preferable scheme of the present invention, the plunger plug is provided with a connecting portion, the sealing membrane is provided with a connection fitting portion that is matched with the connecting portion, and the plunger plug is connected to the sealing membrane by fitting between the connecting portion and the connection fitting portion.
In the invention, the water pushing plunger plug is assembled and connected with the sealing diaphragm so as to be convenient for the driving assembly to push the water pushing plunger through the sealing diaphragm, and the sealing diaphragm can drive the water pushing plunger plug to return to the initial position so as to meet the use requirement of the reciprocating motion driving of the water pushing plunger plug when the plunger type water pump works.
As a preferable scheme of the invention, the connecting part is a T-shaped connecting rod arranged on the end part of one side of the water pushing plunger plug far away from the three-way cabin body, and the connecting matching part is a T-shaped groove arranged on the sealing membrane.
In the invention, the structure for matching and connecting the water pushing column plug and the sealing membrane is set into the T-shaped connecting rod and the T-shaped groove which are matched with each other, so that the water pushing column plug and the sealing membrane are convenient to assemble and connect, and the structure is simplified.
As a preferable mode of the present invention, the driving assembly includes a driving motor, a driving tooth sleeved on the rotating shaft portion of the driving motor, an eccentric gear seat engaged with the tooth of the driving tooth, and a connecting rod, one end portion of the connecting rod is sleeved on the eccentric shaft of the eccentric gear seat, and the other end portion of the connecting rod is connected and fixed with the sealing diaphragm.
In the invention, the driving teeth are matched with the eccentric gear seat, so that the driving motor can drive the eccentric gear seat to rotate through the driving teeth, and the eccentric structure of the eccentric shaft on the eccentric gear seat is utilized to realize the driving of the reciprocating motion of the connecting rod, thereby meeting the use requirement of the reciprocating motion driving of the sealing diaphragm.
As a preferable aspect of the present invention, the sealing diaphragm is fitted with a connecting stud, and the sealing diaphragm is screwed to the connecting rod through the connecting stud.
In the invention, the sealing diaphragm is connected to the connecting rod through the connecting stud, so that the sealing diaphragm and the connecting rod are convenient to assemble and connect, and the connecting rod can drive the sealing diaphragm to reciprocate through the connecting stud, so that the connecting rod can drive the sealing diaphragm to reciprocate.
As a preferable scheme of the invention, the sealing diaphragm is sleeved on one side end part of the three-way cabin body and is pressed and sealed by the shell cover.
According to the invention, through the reasonable structural arrangement, the sealing membrane and the three-way cabin body are convenient to assemble and seal, and the assembly tightness between the sealing membrane and the three-way cabin body is ensured.
As the preferable scheme of the invention, the part of the three-way cabin body arranged in the sealing membrane is provided with a sealing ring rib.
In the invention, the sealing ring ribs are arranged on the tee box body, so that the sealing membrane assembled on the tee box body can be extruded by the sealing ring ribs to generate corresponding deformation, and the effect of further ensuring the assembly sealing property between the tee box body and the sealing membrane is achieved.
The invention also claims a tooth washing device comprising any one of the plunger type water pumps.
In the invention, the plunger type water pump is selected to be applied to the tooth washing device, and has the effects of ensuring the sealing performance of the tooth washing device during working and prolonging the service life.
Drawings
Fig. 1 is an exploded view of a plunger-type water pump according to an embodiment of the present invention.
Fig. 2 is a sectional view of a plunger type water pump according to an embodiment of the present invention.
Fig. 3 is an enlarged view of a portion P of fig. 2.
Fig. 4 is a schematic structural view of the water pushing plunger in the present invention.
10, a shell cover; 11. an upper case fixing cover; 12. a lower shell fixing cover; 13. fixing screws; 20. a three-way cabin body; 21. a seal ring rib; 30. pushing the water plunger; 31. a flow channel; 32. a connecting portion; 33. an arc groove; 40. sealing the membrane; 41. a connection fitting portion; 42. connecting a stud; 51. a drive motor; 52. a drive tooth; 53. an eccentric gear seat; 531. an eccentric shaft; 532. a fluted disc; 533. rotating the central shaft; 54. a connecting rod; 541. a screw hole; 61. a water inlet nozzle; 62. a water outlet nozzle; 63. a duckbill check valve; 101. a pumping chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 4, a plunger-type water pump according to an embodiment of the present invention includes a housing cover 10, a three-way chamber 20 disposed in the housing cover 10, a plunger plug 30, a sealing membrane 40, and a driving assembly.
In the present embodiment, the sealing membrane 40 of the present embodiment is assembled and sealed with the three-way cartridge body 20, and the three-way cartridge body 20 is fitted with the sealing membrane 40 and forms the pumping chamber 101.
Specifically, the sealing membrane 40 of the present embodiment is sleeved on one side end of the three-way bin body 20 and is compressed and sealed by the case cover 10, so as to facilitate the assembly and sealing of the sealing membrane 40 and the three-way bin body 20 and ensure the sealing performance of the assembly between the sealing membrane 40 and the three-way bin body 20.
The case cover 10 of the present embodiment includes an upper case fixing cover 11 and a lower case fixing cover 12 provided opposite to the upper case fixing cover 11, and the upper case fixing cover 11 and the lower case fixing cover 12 are connected and fixed by a fixing screw 13. When the plunger type water pump is assembled, the sealing diaphragm 40 can be firstly sleeved on one side end part of the three-way bin body 20, then the upper shell fixing cover 11 and the lower shell fixing cover 12 are used for tightly pressing the part, sleeved on the three-way bin body 20, of the sealing diaphragm 40, and the purpose of assembling and limiting the sealing diaphragm 40 on the three-way bin body 20 is achieved by utilizing the folding and fixing between the upper shell fixing cover 11 and the lower shell fixing cover 12. Of course, it should be noted that the assembly limit between the sealing membrane 40 and the three-way bin 20 is not limited to the above, and for those skilled in the art, the sealing membrane 40 may be limited on the three-way bin 20 by sleeving a clamp on the periphery of the sealing membrane 40, or by elastic deformation of the sealing membrane 40 itself, and the assembly limit between the sealing membrane 40 and the three-way bin 20 is realized by tight fit between the sealing membrane 40 and the three-way bin 20.
Further, the sealing ring ribs 21 are disposed on the portion of the three-way bin body 20 disposed in the sealing membrane 40, so that when the sealing membrane 40 is sleeved on the three-way bin body 20, the sealing ring ribs 21 of the three-way bin body 20 can extrude the sealing membrane 40 to deform correspondingly, and the effect of further ensuring the sealing performance between the three-way bin body 20 and the sealing membrane 40 is achieved. It should be noted that the number of the sealing ring ribs 21 may be one or more according to the use requirement, and will not be described herein.
In the present embodiment, the plunger plug 30 of the present embodiment is disposed in the pumping chamber 101 and is in clearance fit with the inner wall of the three-way bin body 20; in addition, the driving assembly of the present embodiment can drive the plunger plug 30 to reciprocate relative to the three-way cartridge body 20 through the sealing membrane 40, so as to control the water inlet and outlet of the pumping chamber 101. That is to say, when the plunger type water pump of the present embodiment works, the driving component acts on the sealing membrane 40, and the plunger piston 30 for controlling the water inlet and outlet of the pumping cavity 101 on the three-way cartridge body 20 moves in the pumping cavity 101, and there is no friction resistance between the plunger piston 30 and the three-way cartridge body 20, so as to avoid the influence on the assembly and sealing between the three-way cartridge body 20 and the sealing membrane 40, thereby ensuring the sealing performance of the plunger type water pump during working and prolonging the service life.
The plunger type water pump can discharge the medium arranged between the sealing membrane 40 and the plunger type water plug 30 in time, avoids medium accumulation between the sealing membrane 40 and the plunger type water plug 30, has the effect of reducing the load of the sealing membrane 40, further has the effect of further ensuring the sealing property of the assembly between the sealing membrane 40 and the three-way cabin body 20 and prolonging the service life of the sealing membrane 40. It should be noted that the medium disposed between the sealing diaphragm 40 and the plunger 30 can be discharged outward by using the vortex generated by the flow of the medium, and will not be described herein.
Specifically, the flow channel 31 of the present embodiment is a notch formed in the outer peripheral wall of the plunger plug 30, which simplifies the structure of the plunger plug 30 and facilitates the production and preparation of the plunger plug 30; meanwhile, the outer peripheral wall of the water pushing plunger 30 is provided with a notch, so that the function of enlarging the assembly clearance between the water pushing plunger 30 and the three-way bin body 20 is achieved, and further no friction resistance exists between the water pushing plunger 30 and the three-way bin body 20 when the water pushing plunger 30 reciprocates. The number of the grooves on the plunger 30 of the present embodiment is two, and the area of the groove is larger than the area of other portions, so as to further discharge the medium between the plunger 30 and the sealing membrane 40 through the groove. Needless to say, the flow passage 31 in the plunger plug 30 according to the present embodiment is not limited to the one shown in the drawings, and it is possible for those skilled in the art to make the flow passage 31 a through hole in the plunger plug 30, and the description thereof will not be provided.
In the present embodiment, the plunger 30 of the present embodiment is provided with the connecting portion 32, the sealing diaphragm 40 is provided with the connection fitting portion 41 that fits to the connecting portion 32, and the plunger 30 is connected to the sealing diaphragm 40 by fitting between the connecting portion 32 and the connection fitting portion 41. That is to say, the plunger plug 30 of the present embodiment is assembled and connected to the sealing diaphragm 40, so that the driving assembly pushes the plunger plug 30 through the sealing diaphragm 40, and the sealing diaphragm 40 can drive the plunger plug 30 to return to the initial position, so as to meet the use requirement of the plunger pump for driving the plunger plug 30 to reciprocate when the plunger pump works.
Specifically, the connection portion 32 of the present embodiment is a T-shaped link provided at an end portion of the plunger 30 on the side away from the three-way capsule body 20, and the connection engagement portion is a T-shaped groove provided at the sealing diaphragm 40. The assembly and the limitation between the water pushing plug 30 and the sealing membrane 40 of the present embodiment are performed by the cooperation between the T-shaped connecting rod and the T-shaped groove, so that the assembly and the connection between the water pushing plug 30 and the sealing membrane 40 are facilitated, and the structure is simplified. Of course, it should be noted that the matching relationship between the plunger plug 30 and the sealing diaphragm 40 is not limited to that shown in the drawings, and it is obvious to those skilled in the art that a T-shaped link rod may be disposed on the sealing diaphragm 40, and a T-shaped groove is formed on the plunger plug 30, or other connecting members may be used to fix the plunger plug 30 on the sealing diaphragm 40 in a direct limiting manner, which will not be described herein.
As a preferable aspect of the present invention, the plunger 30 of the present embodiment is provided with an arc groove 33 on an end surface of a side away from the connecting portion 32, so that when the driving assembly pushes the plunger 30 through the sealing membrane 40, a groove surface of the arc groove 33 on the plunger 30 can act on a medium, thereby facilitating the outward discharge of the medium placed in the pump chamber 101.
The driving assembly of the present embodiment includes a driving motor 51, a driving tooth 52 sleeved on a rotating shaft portion of the driving motor 51, an eccentric gear seat 53 engaged with the driving tooth, and a connecting rod 54, wherein one end of the connecting rod 54 is sleeved on an eccentric shaft 531 of the eccentric gear seat 53, and the other end is connected and fixed with the sealing diaphragm 40. In operation, the driving assembly of this example embodiment utilizes the mesh engagement between the driving teeth 52 and the eccentric gear seat 53, so that the driving motor 51 can drive the eccentric gear seat 53 to rotate through the driving teeth 52, and utilizes the eccentric structure of the eccentric shaft 531 on the eccentric gear seat 53 to drive the connecting rod 54 to reciprocate, thereby meeting the use requirement of the reciprocating driving of the sealing diaphragm 40. The drive motor 51, the eccentric gear holder 53, and the link 54 according to the present embodiment are all provided inside the case cover 10.
It can be understood that the eccentric gear seat 53 of the present embodiment has the gear plate 532 engaged with the driving teeth 52, so that the driving motor 51 can drive the eccentric gear seat 53 to rotate through the driving teeth 52, and the eccentric gear seat 53 is limited in the housing cover 10 by the rotating central shaft 533 penetrating through the eccentric shaft 531, thereby achieving the assembling connection of the eccentric gear seat 53 on the housing cover 10. The rotation center shaft 533 of the present embodiment is specifically inserted into the upper case fixing cover 11 and the lower case fixing cover 12, and will not be described herein.
In the present embodiment, the connection stud 42 is embedded in the sealing diaphragm 40 of the present embodiment, and the sealing diaphragm 40 is screwed to the connecting rod 54 through the connection stud 42, so that the assembly connection between the sealing diaphragm 40 and the connecting rod 54 is realized, and the connecting rod 54 has an effect of facilitating the assembly of the sealing diaphragm 40 on the connecting rod 54, and the connecting rod 54 can drive the sealing diaphragm 40 to reciprocate through the connection stud 42, so that the connecting rod 54 drives the sealing diaphragm 40 to reciprocate. Of course, it should be noted that the connection manner between the sealing diaphragm 40 and the connecting rod 54 is not limited to the illustration, and it is obvious to those skilled in the art that a nut (not shown) is embedded in the sealing diaphragm 40, and a screw (not shown) matched with the nut is provided on the connecting rod 54.
The connecting rod 54 of the present embodiment has a screw hole 541 formed in one end portion attached to the sealing diaphragm 40 so as to be fitted to the connecting stud 42, and the sealing diaphragm 40 can be fixed to the connecting rod 54 by screw-fitting between the connecting stud 42 and the screw hole 541.
In the present embodiment, the connection engagement portion 41 and the connection stud 42 of the sealing diaphragm 40 of the present embodiment are disposed on two opposite sides of the sealing diaphragm 40, so that when the connecting rod 54 pushes the plunger 30 through the sealing diaphragm 40, the connecting rod 54, the sealing diaphragm 40 and the plunger 30 can interact with each other in the same direction, thereby facilitating the transmission of force among the connecting rod 54, the sealing diaphragm 40 and the plunger 30, and prolonging the service life of the sealing diaphragm 40.
In addition, the three-way cartridge body 20 of the present embodiment is connected and communicated with the water inlet 61 and the water outlet 62, and the duckbill check valve 63 is disposed in the channel of the three-way cartridge body 20 communicated with the water inlet 61 and the water outlet 62, so that when the plunger-type water pump is operated, the plunger-type water pump can reciprocate in the three-way cartridge body 20 by pushing the water column plug 30, so that the plunger-type water pump can suck water through the water inlet 61 and then discharge water through the water outlet 62.
The three-way chamber body 20 of the present embodiment is assembled with the water inlet 61 and the water outlet 62 by compressing the upper housing fixing cover 11 and the lower housing fixing cover 12 of the housing cover 10, so as to simplify the structure and facilitate the assembly of the whole plunger-type water pump. In addition, the water inlet nozzle 61 of the present embodiment is rotatably connected to the housing cover 10, so that the installation angle of the water inlet nozzle 61 on the housing cover 10 can be adjusted according to the use requirement when the plunger-type water pump is used.
In addition, the invention also requests a tooth washing device applying the plunger type water pump.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A plunger type water pump is characterized by comprising a shell cover, a three-way cabin body, a water pushing plunger, a sealing diaphragm and a driving assembly, wherein the three-way cabin body is arranged in the shell cover, the three-way cabin body and the sealing diaphragm are assembled and sealed, and the three-way cabin body and the sealing diaphragm are matched and form a pump pumping cavity; the water pushing column plug is arranged in the pumping pressure cavity and is in clearance fit with the inner wall of the three-way cabin body; the driving assembly can drive the water pushing plunger piston to do reciprocating motion relative to the three-way cabin body through the sealing diaphragm so as to control water inlet and outlet of the pumping cavity.
2. The plunger-type water pump according to claim 1, characterized in that the plunger plug is provided with a flow passage, so that a medium positioned between the sealing diaphragm and the plunger plug can be discharged outwards through the flow passage.
3. The plunger-type water pump according to claim 2, wherein the flow passage is formed as a notch formed in an outer peripheral wall of the plunger plug.
4. The plunger-type water pump according to claim 1, wherein the plunger plug is provided with a connecting portion, the sealing diaphragm is provided with a connecting fitting portion matching with the connecting portion, and the plunger plug is connected to the sealing diaphragm through the fitting between the connecting portion and the connecting fitting portion.
5. The plunger-type water pump as set forth in claim 4, wherein the connecting portion is a T-shaped connecting rod provided on an end portion of the plunger plug on a side away from the three-way cartridge body, and the connecting engagement portion is a T-shaped groove provided on the sealing membrane.
6. The plunger-type water pump according to claim 1, wherein the driving assembly comprises a driving motor, a driving tooth sleeved on a rotating shaft part of the driving motor, an eccentric gear seat matched with the tooth of the driving tooth, and a connecting rod, one end part of the connecting rod is sleeved on an eccentric shaft of the eccentric gear seat, and the other end part of the connecting rod is fixedly connected with the sealing diaphragm.
7. The plunger-type water pump as set forth in claim 6, wherein the sealing diaphragm is fitted with a connection stud, and the sealing diaphragm is screwed to the connection rod via the connection stud.
8. The plunger-type water pump as set forth in claim 1, wherein the sealing diaphragm is sleeved on one side end of the three-way cartridge body and is pressed and sealed by the housing cover.
9. The plunger-type water pump as set forth in claim 8, wherein the triplet cartridge body is provided with sealing ribs on a portion thereof disposed within the sealing diaphragm.
10. A dental rinser comprising a plunger-type water pump as claimed in any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110440121.8A CN113530810A (en) | 2021-04-21 | 2021-04-21 | Plunger type water pump and tooth washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110440121.8A CN113530810A (en) | 2021-04-21 | 2021-04-21 | Plunger type water pump and tooth washing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113530810A true CN113530810A (en) | 2021-10-22 |
Family
ID=78095413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110440121.8A Pending CN113530810A (en) | 2021-04-21 | 2021-04-21 | Plunger type water pump and tooth washing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113530810A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3012546A (en) * | 1958-05-10 | 1961-12-12 | Bochumer Ges Fur Grubenausbau | Hydraulic props, particularly pit props |
| US3185041A (en) * | 1962-10-15 | 1965-05-25 | Bacharach Ind Instr Company | Filter gauge |
| EP0251948A2 (en) * | 1986-06-26 | 1988-01-07 | Berthoud S.A. | Piston pump with a rolling diaphragm |
| CN210106128U (en) * | 2019-05-28 | 2020-02-21 | 宁波佳音机电科技股份有限公司 | Diaphragm pump |
| CN112196759A (en) * | 2020-04-15 | 2021-01-08 | 深圳市飞猫电器有限公司 | Pulse water pump and tooth washing device |
| CN212928142U (en) * | 2020-06-08 | 2021-04-09 | 宁波创为电子科技有限公司 | Piston diaphragm pump |
-
2021
- 2021-04-21 CN CN202110440121.8A patent/CN113530810A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3012546A (en) * | 1958-05-10 | 1961-12-12 | Bochumer Ges Fur Grubenausbau | Hydraulic props, particularly pit props |
| US3185041A (en) * | 1962-10-15 | 1965-05-25 | Bacharach Ind Instr Company | Filter gauge |
| EP0251948A2 (en) * | 1986-06-26 | 1988-01-07 | Berthoud S.A. | Piston pump with a rolling diaphragm |
| CN210106128U (en) * | 2019-05-28 | 2020-02-21 | 宁波佳音机电科技股份有限公司 | Diaphragm pump |
| CN112196759A (en) * | 2020-04-15 | 2021-01-08 | 深圳市飞猫电器有限公司 | Pulse water pump and tooth washing device |
| CN212928142U (en) * | 2020-06-08 | 2021-04-09 | 宁波创为电子科技有限公司 | Piston diaphragm pump |
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Application publication date: 20211022 |
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| RJ01 | Rejection of invention patent application after publication |