CN217327576U - Low-friction easy-to-assemble water pump connecting structure of tooth flushing device and tooth flushing device - Google Patents
Low-friction easy-to-assemble water pump connecting structure of tooth flushing device and tooth flushing device Download PDFInfo
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- CN217327576U CN217327576U CN202220197069.8U CN202220197069U CN217327576U CN 217327576 U CN217327576 U CN 217327576U CN 202220197069 U CN202220197069 U CN 202220197069U CN 217327576 U CN217327576 U CN 217327576U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 11
- 235000010585 Ammi visnaga Nutrition 0.000 claims description 4
- 244000153158 Ammi visnaga Species 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 10
- 230000033001 locomotion Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 210000003128 head Anatomy 0.000 description 14
- 230000009471 action Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The application provides a low-friction easy-to-assemble water pump connecting structure of a tooth flushing device and the tooth flushing device, wherein the water pump connecting structure of the tooth flushing device comprises a first pump body assembly part, a second pump body assembly part, a piston ring, a steel sleeve, a connecting rod assembly and a driving assembly; a piston ring is arranged between the first pump body assembly part and the second pump body assembly part; the piston ring is integrally connected with the second pump body assembly part; a steel sleeve is arranged on the inner side wall of the first pump body assembly part; the connecting rod component is arranged in the pump body in a penetrating way and penetrates through the piston ring; wherein, the connecting rod component is connected with the piston ring in an interference manner; the connecting rod assembly is connected with the steel sleeve in a sliding manner; the drive assembly drives the connecting rod assembly to reciprocate in the pump body. In the application, the piston ring and the second pump body assembly part are integrally formed, so that the piston ring and the second pump body assembly part are strong in structural stability, simple in assembly process and good in sealing performance, and liquid can be prevented from being brought out by the connecting rod assembly in the reciprocating motion process; the steel bushing is high in precision and small in contact friction force, and the service life of the connecting rod assembly can be obviously prolonged.
Description
Technical Field
The application relates to the technical field of tooth flushing devices, in particular to a water pump connecting structure of a low-friction easy-to-assemble tooth flushing device and the tooth flushing device.
Background
The tooth flushing device is one kind of oral cavity cleaning product and includes mainly water pump, water storing tank and nozzle. The water pump of the tooth flushing device on the market at present generally adopts a piston connecting rod movement structure or a diaphragm pump structure.
The piston connecting rod motion structure has the advantages of high transmission efficiency, small kinetic energy loss and the like, but has the following defects: firstly, the piston probably takes out the pump body with the water when being reciprocating motion in the pump body, leads to water entering motor, PCB (Printed Circuit Board), battery in the pump body and causes the short Circuit, therefore it is generally not long to wash tooth ware life. Secondly, the piston reciprocates in the pump body, and the high-frequency friction force between the outer wall of the piston and the inner wall of the pump body needs to be reduced, so that higher requirements are provided for the material performance and the fatigue resistance of the piston and the pump body.
The application of the diaphragm pump technology solves some technical problems, however, the diaphragm membrane manufacturing process is generally silicon rubber injection molding, and is influenced by fluidity and pressure in the injection molding process, the difference between each diaphragm part is large, and the fatigue resistance is different. As the number of the diaphragm sheets formed in the same batch is large, the consistency and the stability of the product quality are difficult to guarantee, and once the diaphragm sheets are broken, water in the pump body can enter a motor, a PCB (printed Circuit Board) and a battery to cause short circuit, so that the use of the product is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present application is proposed to provide a low-friction easy-to-assemble water pump connection structure of a dental irrigator and a dental irrigator which overcome or at least partially solve the above problems, comprising:
a low-friction easy-to-assemble water pump connection structure for a water irrigator, comprising: the pump comprises a first pump body assembly part, a second pump body assembly part, a piston ring, a steel sleeve, a connecting rod component and a driving component;
the first pump body assembly part and the second pump body assembly part are matched to form a pump body; wherein the first pump body assembly corresponds to an open end of the pump body; the piston ring is arranged between the first pump body assembly part and the second pump body assembly part; the piston ring is integrally connected with the second pump body assembly part; the steel sleeve is arranged on the inner side wall of the first pump body assembly part; the connecting rod component is arranged in the pump body in a penetrating mode and penetrates through the piston ring; wherein the connecting rod assembly is in interference connection with the piston ring; the connecting rod assembly is connected with the steel sleeve in a sliding manner;
the connecting rod assembly is connected with the driving assembly and driven by the driving assembly to reciprocate in the pump body;
when the connecting rod component reciprocates, the connecting rod component, the piston ring and the steel sleeve are matched with each other to suck liquid into the pump body from the water inlet of the pump body and pump the liquid out from the water outlet of the pump body.
Preferably, the connecting rod assembly comprises a first connecting rod and a second connecting rod; one end of the first connecting rod is connected with the output end of the driving assembly, and the other end of the first connecting rod is connected with the end part of the second connecting rod through a ball head; the second connecting rod is arranged in the pump body in a penetrating mode and penetrates through the piston ring; wherein the second connecting rod is in interference connection with the piston ring.
Preferably, the ball head is arranged at the end part of the first connecting rod; a groove matched with the ball head in shape is formed in the end part of the second connecting rod; the ball head is clamped in the groove;
or;
the end part of the second connecting rod is provided with the ball head; a groove matched with the ball head in shape is formed in the end part of the first connecting rod; the ball head is clamped inside the groove.
Preferably, the driving assembly comprises a motor, a motor gear, a transmission gear and a cam; the motor gear is fixed on an output shaft of the motor; the transmission gear is meshed with the motor gear; the cam is fixed on the end face of the transmission gear; the end part of the first connecting rod is in transmission connection with the cam.
Preferably, the first pump body assembly part and the second pump body assembly part are respectively of a hollow cylinder structure; the first pump body assembly part is connected to the end part of the second pump body assembly part; the end face, facing the second pump body assembly part, of the first pump body assembly part is provided with a first protruding part; the end face, facing the first pump body assembly part, of the second pump body assembly part is provided with a first concave part; an installation part is arranged on the end face of the first sunken part; the axial section of the piston ring is concave; the concave opening is connected with the mounting part in a fitting manner; the first raised portion is disposed within the first recessed portion; the end surface of the first boss is connected with the piston ring.
Preferably, the second pump body assembly comprises a body assembly and an interface assembly; the main body assembly part and the interface assembly part are respectively of hollow cylinder structures; the first pump body assembly part is connected to one end of the main body assembly part; the interface assembly is connected to the other end of the main assembly; the end of the interface assembly part, which is far away from the main assembly part, is provided with the water outlet; the side of the interface assembly is provided with the water inlet.
Preferably, the device further comprises a sealing ring; the seal ring is disposed between the body fitting and the interface fitting.
Preferably, the end surface of the interface assembly facing the main assembly is provided with a second convex part; the end face, facing the interface assembly part, of the main assembly part is provided with a third concave part; the second convex part is arranged in the third concave part; a fourth concave part is arranged on the side edge, facing the main assembly part, of the second convex part; the seal ring is disposed in the fourth recess.
A tooth-rinsing device comprises a shell, a bracket, a nozzle, a tube seat, a water storage tank, a water inlet tube and a water pump connecting structure of the tooth-rinsing device, wherein the water pump connecting structure is arranged on the water storage tank; one end of the shell is provided with the nozzle and the pipe seat, and the other end of the shell is provided with the water storage tank; the bracket is fixed inside the shell; the water pump connecting structure of the tooth flushing device is arranged on the bracket; the second pump body assembly part is respectively connected with the water inlet pipe and the pipe seat; the water inlet pipe is connected with the water storage tank; the tube seat is connected with the nozzle.
The application has the following advantages:
in an embodiment of the application, the first pump body assembly part, the second pump body assembly part, the piston ring, the steel sleeve, the connecting rod assembly and the driving assembly are arranged on the pump body; the first pump body assembly part and the second pump body assembly part are matched to form a pump body; wherein the first pump body assembly corresponds to an open end of the pump body; the piston ring is arranged between the first pump body assembly part and the second pump body assembly part; the piston ring is integrally connected with the second pump body assembly part; the steel sleeve is arranged on the inner side wall of the first pump body assembly part; the connecting rod component is arranged in the pump body in a penetrating mode and penetrates through the piston ring; wherein the connecting rod assembly is in interference connection with the piston ring; the connecting rod assembly is connected with the steel sleeve in a sliding manner; the connecting rod assembly is connected with the driving assembly and driven by the driving assembly to reciprocate in the pump body; when the connecting rod assembly reciprocates, the connecting rod assembly, the piston ring and the steel sleeve are matched with each other to suck liquid into the pump body from a water inlet of the pump body and pump the liquid out from a water outlet of the pump body, the piston ring and the second pump body assembly part are integrally formed, the structural stability is high, the assembly process is simple, and meanwhile, the piston ring and the second pump body assembly part have good sealing performance and can prevent the connecting rod assembly from carrying out the liquid in the reciprocating process; the steel bushing is high in precision and small in contact friction force, and the service life of the connecting rod assembly can be obviously prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings needed to be used in the description of the present application will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic structural view of a water pump connection structure of a water toothpick in a first state according to an embodiment of the present disclosure;
fig. 2 is a schematic structural view of a water pump connection structure of a dental irrigator provided by an embodiment of the application in a second state.
The reference numbers in the drawings of the specification are as follows:
100. a pump body; 110. a first pump body assembly; 120. a second pump body assembly; 121. a body assembly; 122. an interface assembly; 200. a piston ring; 300. a connecting rod assembly; 310. a first link; 320. A second link; 400. a drive assembly; 500. steel jacket; 600. and (5) sealing rings.
Detailed Description
In order to make the objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
Referring to fig. 1-2, a low-friction easy-to-assemble water pump connection structure of a water toothpick according to an embodiment of the present application is shown, including: a first pump body assembly 110, a second pump body assembly 120, a piston ring 200, a steel sleeve 500, a connecting rod assembly 300 and a drive assembly 400;
the first pump body assembly 110 and the second pump body assembly 120 cooperate to form the pump body 100; wherein the first pump body assembly 110 corresponds to an open end of the pump body 100; the piston ring 200 is arranged between the first pump body assembly part 110 and the second pump body assembly part 120; the piston ring 200 is integrally connected to the second pump body assembly 120; the inner side wall of the first pump body assembly part 110 is provided with the steel sleeve 500; the connecting rod assembly 300 is arranged in the pump body 100 in a penetrating way and penetrates through the piston ring 200; wherein the connecting rod assembly 300 is in interference connection with the piston ring 200; the connecting rod assembly 300 is slidably connected with the steel sleeve 500;
the connecting rod assembly 300 is connected with the driving assembly 400 and driven by the driving assembly 400 to reciprocate in the pump body 100;
when the connecting rod assembly 300 reciprocates, the connecting rod assembly 300 cooperates with the piston ring 200 and the steel sleeve 500 to draw in liquid from the inlet of the pump body 100 and pump the liquid out of the outlet of the pump body 100.
In the embodiment of the present application, the first pump body assembly 110, the second pump body assembly 120, the piston ring 200, the steel sleeve 500, the connecting rod assembly 300, and the driving assembly 400; the first pump body assembly 110 and the second pump body assembly 120 cooperate to form the pump body 100; wherein the first pump body assembly 110 corresponds to an open end of the pump body 100; the piston ring 200 is arranged between the first pump body assembly part 110 and the second pump body assembly part 120; the piston ring 200 is integrally connected to the second pump body assembly 120; the inner side wall of the first pump body assembly part 110 is provided with the steel sleeve 500; the connecting rod assembly 300 is arranged in the pump body 100 in a penetrating way and penetrates through the piston ring 200; wherein the connecting rod assembly 300 is in interference connection with the piston ring 200; the connecting rod assembly 300 is slidably connected with the steel sleeve 500; the connecting rod assembly 300 is connected with the driving assembly 400 and reciprocates in the pump body 100 by the driving of the driving assembly 400; when the connecting rod assembly 300 reciprocates, the connecting rod assembly 300, the piston ring 200 and the steel sleeve 500 are matched with each other to draw in liquid from a water inlet of the pump body 100 and pump out the liquid from a water outlet of the pump body 100, the piston ring 200 and the second pump body assembly part 120 are integrally formed, the structural stability is high, the assembly process is simple, and meanwhile, the sealing performance is good, and the liquid can be prevented from being brought out by the connecting rod assembly 300 in the reciprocating process; 500 precision of the steel sleeve
Hereinafter, a low-friction easy-to-assemble water pump coupling structure of the dental irrigator according to the present exemplary embodiment will be further described.
In this embodiment, the piston ring 200 and the second pump body assembly 120 are integrally formed by an injection molding process, which not only has a simple manufacturing process, a low manufacturing cost and good product quality consistency, but also is more convenient to assemble with other parts.
In this embodiment, the connecting rod assembly 300 includes a first connecting rod 310 and a second connecting rod 320; one end of the first link 310 is connected to the output end of the driving assembly 400, and the other end is connected to the end of the second link 320 via a ball; the second connecting rod 320 is arranged in the pump body 100 in a penetrating way and penetrates through the piston ring 200; wherein the second connecting rod 320 is in interference connection with the piston ring 200. The ball head has a good guiding function, can convert the rotation motion of the driving assembly 400 into the reciprocating motion of the second connecting rod 320, has high kinetic energy conversion rate, and can reduce the influence of the radial swing of the first connecting rod 310 on the reciprocating motion of the second connecting rod 320.
In this embodiment, the ball head is disposed at the end of the first connecting rod 310; a groove matched with the ball head in shape is formed in the end part of the second connecting rod 320; the ball head is clamped in the groove; or; the ball head is arranged at the end part of the second connecting rod 320; a groove matched with the ball head in shape is formed in the end part of the first connecting rod 310; the ball head is clamped inside the groove. The ball may be connected to an end of any one of the first link 310 and the second link 320, and the arrangement of the ball is not limited in the present application.
In this embodiment, the driving assembly 400 includes a motor, a motor gear, a transmission gear, and a cam; the motor gear is fixed on an output shaft of the motor; the transmission gear is meshed with the motor gear; the cam is fixed on the end face of the transmission gear; the end of the first link 310 is drivingly connected to the cam.
When the motor gear is driven by the motor to rotate, the transmission gear is driven by the motor gear to rotate, the cam is driven by the transmission gear to rotate, the first connecting rod 310 is driven by the cam to swing, and the second connecting rod 320 is driven by the first connecting rod 310 to reciprocate along the axial direction of the pump body 100.
In this embodiment, the first pump body assembly 110 and the second pump body assembly 120 are respectively a hollow cylinder structure; the first pump body assembly 110 is attached to the end of the second pump body assembly 120; the end surface of the first pump body assembly part 110 facing the second pump body assembly part 120 is provided with a first convex part; the end surface of the second pump body assembly part 120 facing the first pump body assembly part 110 is provided with a first concave part; the end face of the first sunken part is provided with an installation part; the axial section of the piston ring 200 is concave; the concave opening is embedded and connected with the mounting part; the first convex part is arranged in the first concave part; the end surface of the first projection is connected to the piston ring 200. In a natural state, the inner diameter of the piston ring 200 is gradually reduced from the closed end to the open end of the concave shape, and the outer side wall of the piston ring 200 is attached to the side wall of the first recess. The piston ring 200 has a minimum inner diameter smaller than the inner diameter of the pump body 100 and a maximum inner diameter greater than or equal to the inner diameter of the pump body 100. The interference connection between the connecting rod assembly 300 and the piston ring 200 can be satisfied by making the inner side edge of the piston ring 200 protrude from the inner side wall of the pump body 100.
In this embodiment, the second pump body assembly 120 includes a body assembly 121 and an interface assembly 122; the main body assembly part 121 and the interface assembly part 122 are respectively hollow cylinder structures; the first pump body assembly 110 is connected to one end of the body assembly 121; the interface fitting 122 is connected to the other end of the body fitting 121; the end of the interface fitting 122 away from the body fitting 121 is provided with the water outlet; the side of the interface fitting 122 is provided with the water inlet. Specifically, the inner diameter of the first pump body assembly 110 is equal to the inner diameter of the body assembly 121, and the inner diameter of the body assembly 121 is smaller than the inner diameter of the interface assembly 122. The outer diameter of the second link 320 is equal to the inner diameter of the first pump body assembly 110. The water inlet is connected with the water storage tank through a water inlet pipe; the water outlet is connected with the nozzle through a pipe seat. The inner spaces of the body assembly part 121, the interface assembly part 122 and the first pump body assembly part 110 form a volume cavity; when the second connecting rod 320 reciprocates along the axial direction of the pump body 100 under the driving of the first connecting rod 310, the liquid in the water storage tank enters the volume cavity through the water inlet, and then is discharged to the nozzle through the water outlet under the pumping action of the second connecting rod 320.
In this embodiment, a seal ring 600 is further included; the seal ring 600 is disposed between the body fitting 121 and the interface fitting 122. The sealing ring 600 can improve the sealing performance between the body assembly 121 and the interface assembly 122, and prevent the liquid from leaking.
In this embodiment, the end surface of the interface fitting 122 facing the body fitting 121 is provided with a second protruding portion; the end surface of the main body assembly part 121 facing the interface assembly part 122 is provided with a third concave part; the second convex part is arranged in the third concave part; a fourth concave part is arranged on the side edge of the second convex part facing the main body assembly part 121; the seal ring 600 is disposed in the fourth recess. The interface assembly 122 and the body assembly 121 are manufactured by a simple process and have high connection stability.
In an embodiment of the present application, there is further provided a tooth-rinsing device, comprising a housing, a bracket, a nozzle, a tube seat, a water storage tank, a water inlet tube, and a water pump connection structure of the tooth-rinsing device as described in any one of the above items; one end of the shell is provided with the nozzle and the pipe seat, and the other end of the shell is provided with the water storage tank; the bracket is fixed inside the shell; the water pump connecting structure of the tooth flushing device is arranged on the bracket; the second pump body assembly 120 is connected to the water inlet pipe and the pipe seat, respectively; the water inlet pipe is connected with the water storage tank; the tube seat is connected with the nozzle. The tooth flushing device is simple in overall structure, small in occupied space, simple in manufacturing process and high in product quality consistency and stability.
While preferred embodiments of the present application have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the true scope of the embodiments of the application.
Finally, it should also be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or terminal equipment comprising the element.
The water pump connecting structure of the low-friction easy-to-assemble tooth flusher and the tooth flusher provided by the application are introduced in detail, specific examples are applied to explain the principle and the implementation mode of the application, and the description of the embodiments is only used for helping to understand the method and the core idea of the application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (9)
1. The utility model provides a low friction easy tooth flushing device water pump connection structure who assembles which characterized in that includes: the pump comprises a first pump body assembly part, a second pump body assembly part, a piston ring, a steel sleeve, a connecting rod component and a driving component;
the first pump body assembly part and the second pump body assembly part are matched to form a pump body; wherein the first pump body assembly corresponds to an open end of the pump body; the piston ring is arranged between the first pump body assembly part and the second pump body assembly part; the piston ring is integrally connected with the second pump body assembly part; the steel sleeve is arranged on the inner side wall of the first pump body assembly part; the connecting rod assembly penetrates through the pump body and penetrates through the piston ring; wherein the connecting rod assembly is in interference connection with the piston ring; the connecting rod assembly is connected with the steel sleeve in a sliding manner;
the connecting rod assembly is connected with the driving assembly and driven by the driving assembly to reciprocate in the pump body;
when the connecting rod component reciprocates, the connecting rod component, the piston ring and the steel sleeve are matched with each other to suck liquid into the pump body from the water inlet of the pump body and pump the liquid out from the water outlet of the pump body.
2. The water pump connection for a dental irrigator of claim 1 wherein the linkage assembly includes a first linkage and a second linkage; one end of the first connecting rod is connected with the output end of the driving assembly, and the other end of the first connecting rod is connected with the end part of the second connecting rod through a ball head; the second connecting rod is arranged in the pump body in a penetrating mode and penetrates through the piston ring; wherein the second connecting rod is in interference connection with the piston ring.
3. The water pump connecting structure of the water irrigator according to claim 2, wherein the ball head is provided at an end of the first link; a groove matched with the ball head in shape is formed in the end part of the second connecting rod; the ball head is clamped in the groove;
or;
the end part of the second connecting rod is provided with the ball head; a groove matched with the ball head in shape is formed in the end part of the first connecting rod; the ball head is clamped in the groove.
4. The water pump connection of the water toothpick according to claim 2 wherein said drive assembly comprises a motor, a motor gear, a drive gear and a cam; the motor gear is fixed on an output shaft of the motor; the transmission gear is meshed with the motor gear; the cam is fixed on the end face of the transmission gear; the end part of the first connecting rod is in transmission connection with the cam.
5. The water pump connection structure of a water irrigator according to claim 1 wherein the first and second pump body assemblies are each hollow cylindrical structures; the first pump body assembly part is connected to the end of the second pump body assembly part; the end face, facing the second pump body assembly part, of the first pump body assembly part is provided with a first protruding part; the end face, facing the first pump body assembly part, of the second pump body assembly part is provided with a first concave part; an installation part is arranged on the end face of the first sunken part; the axial section of the piston ring is concave; the concave opening is connected with the mounting part in a fitting manner; the first convex part is arranged in the first concave part; the end surface of the first boss is connected with the piston ring.
6. The water pump connection for a dental irrigator of claim 1 wherein said second pump body fitting comprises a body fitting and an interface fitting; the main body assembly part and the interface assembly part are respectively of hollow cylinder structures; the first pump body assembly part is connected to one end of the main body assembly part; the interface assembly is connected to the other end of the main assembly; the end of the interface assembly part, which is far away from the main assembly part, is provided with the water outlet; the side of the interface assembly is provided with the water inlet.
7. The water pump connection structure of the water irrigator of claim 6 further comprising a sealing ring; the seal ring is disposed between the body fitting and the interface fitting.
8. The water pump connection structure of the water toothpick according to claim 7, wherein an end surface of said mouthpiece fitting facing said main body fitting is provided with a second protrusion; the end face, facing the interface assembly part, of the main assembly part is provided with a third concave part; the second raised portion is disposed within the third recessed portion; a fourth concave part is arranged on the side edge, facing the main assembly part, of the second convex part; the seal ring is disposed in the fourth recess.
9. A dental irrigator comprising a housing, a support, a nozzle, a socket, a reservoir, a water inlet tube and a water pump connection according to any one of claims 1 to 8; one end of the shell is provided with the nozzle and the pipe seat, and the other end of the shell is provided with the water storage tank; the bracket is fixed inside the shell; the water pump connecting structure of the tooth flushing device is arranged on the bracket; the second pump body assembly part is respectively connected with the water inlet pipe and the pipe seat; the water inlet pipe is connected with the water storage tank; the tube seat is connected with the nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220197069.8U CN217327576U (en) | 2022-01-21 | 2022-01-21 | Low-friction easy-to-assemble water pump connecting structure of tooth flushing device and tooth flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220197069.8U CN217327576U (en) | 2022-01-21 | 2022-01-21 | Low-friction easy-to-assemble water pump connecting structure of tooth flushing device and tooth flushing device |
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| Publication Number | Publication Date |
|---|---|
| CN217327576U true CN217327576U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220197069.8U Active CN217327576U (en) | 2022-01-21 | 2022-01-21 | Low-friction easy-to-assemble water pump connecting structure of tooth flushing device and tooth flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217327576U (en) |
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2022
- 2022-01-21 CN CN202220197069.8U patent/CN217327576U/en active Active
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