CN214944872U - Diaphragm pump body for oral care implement - Google Patents

Diaphragm pump body for oral care implement Download PDF

Info

Publication number
CN214944872U
CN214944872U CN202121385874.5U CN202121385874U CN214944872U CN 214944872 U CN214944872 U CN 214944872U CN 202121385874 U CN202121385874 U CN 202121385874U CN 214944872 U CN214944872 U CN 214944872U
Authority
CN
China
Prior art keywords
pump body
water inlet
shell
diaphragm
main pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121385874.5U
Other languages
Chinese (zh)
Inventor
邓青勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202121385874.5U priority Critical patent/CN214944872U/en
Application granted granted Critical
Publication of CN214944872U publication Critical patent/CN214944872U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Reciprocating Pumps (AREA)

Abstract

The utility model relates to the field of machinary, the concretely relates to diaphragm pump body. A diaphragm pump body for an oral care implement comprises a diaphragm pump body, wherein the diaphragm pump body comprises a machine core shell and a main pump shell, and the upper part of the machine core shell is connected with the lower part of the main pump shell; a direct current motor, a straight gear, a crown gear, an eccentric wheel, a connecting rod and a rubber diaphragm are arranged in the shell of the machine core; the side wall of the main pump shell is provided with a water inlet, the water inlet penetrates through the water inlet pipe, and the front side part of the water inlet pipe is longitudinally arranged on the inner side of the main pump shell. Through the design, the utility model provides a diaphragm pump body for oral care implement, simple structure, convenient installation, the medium pumped by the diaphragm is completely separated from the moving part in the pump body and can not leak outwards, no medium can run midway, and the pump body can not be damaged due to dry grinding; it can also be used for delivering liquid mixed with medicinal liquid, such as collutory for cleaning oral cavity.

Description

Diaphragm pump body for oral care implement
Technical Field
The utility model relates to the field of machinary, specifically, relate to the diaphragm pump body.
Background
The pump body on the market can be divided into types such as volumetric water pump, impeller pump according to the theory of operation of difference at present, and common volumetric pump divide into diaphragm pump, piston pump, gear pump etc. again. In the oral care implement industry, such as tooth rinsing devices, most of the early traditional piston water pumps are used, sealing is realized by means of close contact between a piston and a cylinder wall in the using process, the requirements on the matching tolerance and the processing precision of the piston and the cylinder wall are high, abrasion and temperature difference shrinkage are formed after parts such as the piston and the cylinder wall move at high speed and high frequency, the sealing performance is easily reduced, water leakage is caused, and when some liquid blended with liquid medicine is used, chemical liquid such as mouthwash for cleaning the oral cavity can cause the problems of deformation, water leakage and the like of the piston.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to provide a diaphragm pump body for an oral care implement to address at least one of the above technical problems.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a diaphragm pump body for an oral care implement, comprising a diaphragm pump body, characterized in that the diaphragm pump body comprises a core housing and a main pump housing, wherein the upper part of the core housing is connected with the lower part of the main pump housing;
a direct current motor, a straight gear, a crown gear, an eccentric wheel, a connecting rod and a rubber diaphragm are arranged in the machine core shell, the direct current motor is arranged at the lower part of the inner side of the machine core shell, a rotating shaft of the direct current motor is connected with the straight gear, the straight gear is meshed with the crown gear, the eccentric wheel is arranged in the middle of the crown gear, the eccentric wheel is connected with the connecting rod, a mounting hole for penetrating the eccentric wheel is formed in the lower part of the connecting rod, the upper part of the connecting rod is connected with the middle of the rubber diaphragm, and the rubber diaphragm is arranged at the joint of the main pump shell and the machine core shell;
the side wall of the main pump shell is provided with a water inlet, the water inlet penetrates through a water inlet pipe, the front side part of the water inlet pipe is longitudinally arranged on the inner side of the main pump shell, the front side part of the water inlet pipe is provided with a water inlet valve cover with a circular cross section, the water inlet valve cover is provided with a water through hole, and one side of the water inlet valve cover is provided with a water inlet one-way valve;
the upper part of the main pump shell is provided with a water outlet, and a water outlet one-way valve is arranged at the water outlet.
The upper portion of core shell is equipped with the embedded groove, the lower part of main pump case imbeds in the embedded groove. The lower part of the main pump shell is provided with an annular groove, and the inner wall of the embedded groove is provided with an annular bulge matched with the annular groove. Or the lower part of the main pump shell is connected with the upper part of the movement shell through threads. The cross section of the upper part of the machine core shell is in a circular ring shape, external threads are arranged on the outer surface of the upper part of the machine core shell, the cross section of the lower part of the main pump shell is in a circular ring shape, and internal threads matched with the external threads are arranged on the inner surface of the lower part of the main pump shell.
The inlet tube with the main pump shell adopts integrated structure.
The water inlet one-way valve comprises a water inlet one-way valve handle, and an insertion hole for inserting the water inlet one-way valve handle is formed in the middle of the water inlet valve cover. Six water passing holes are annularly distributed on the outer side part of the water inlet valve cover.
And a circular waterproof ring is arranged on the outer side of the upper part of the water outlet one-way valve. The outer diameter of the lower part of the water outlet check valve is gradually reduced from top to bottom.
The upper part of the connecting rod is bonded with the lower part of the rubber diaphragm by vulcanization.
The machine core shell comprises a machine core front shell and a machine core rear shell, the upper portion of the machine core front shell is connected with the upper portion of the machine core rear shell through a bolt, and the lower portion of the machine core front shell is connected with the lower portion of the machine core rear shell through a buckle.
The lower part of the main pump shell is bonded with the outer side part of the rubber diaphragm through glue.
Through the design, the utility model provides a diaphragm pump body for an oral care implement, which has simple structure and convenient installation, and avoids the problems of water leakage and short service life caused by the abrasion of parts such as a piston and a cylinder wall and the like and the reduction of tightness due to temperature difference shrinkage in the use process of the pump body; the medium pumped by the diaphragm is completely separated from the moving part in the pump body and cannot leak outwards, and the diaphragm can run without medium in midway and cannot be damaged by dry grinding; it can also be used for delivering liquid mixed with medicinal liquid, such as collutory for cleaning oral cavity.
Drawings
Fig. 1 is a partial schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a part of the structure of a first embodiment of the present invention;
fig. 3 is a partially exploded view of a first embodiment of the present invention;
fig. 4 is a partial structural schematic view of the main pump casing according to the first embodiment of the present invention;
FIG. 5 is a schematic view of a second embodiment of the present invention
Fig. 6 is a schematic cross-sectional view of a part of the structure of a second embodiment of the present invention;
fig. 7 is a schematic partial exploded view of a second embodiment of the present invention;
fig. 8 is a schematic sectional view of a part of the main pump casing according to the second embodiment of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1, 2, 3 and 4, a diaphragm pump body for an oral care implement comprises a diaphragm pump body, wherein the diaphragm pump body comprises a movement shell 2 and a main pump shell 1, an embedded groove is formed in the upper part of the movement shell 2, and the lower part of the main pump shell 1 is embedded into the embedded groove; a direct current motor 3, a straight gear 4, a crown gear 5, an eccentric wheel 6, a connecting rod 7 and a rubber diaphragm 9 are arranged in a machine core shell 2, the direct current motor 3 is arranged at the lower part of the inner side of the machine core shell 2, a rotating shaft of the direct current motor 3 is connected with the straight gear 4, the straight gear 4 is meshed with the crown gear 5, the eccentric wheel 6 is arranged in the middle of the crown gear 5, the eccentric wheel 6 is connected with the connecting rod 7, a mounting hole 8 used for penetrating the eccentric wheel 6 is formed in the lower part of the connecting rod 7, the upper part of the connecting rod 7 is connected with the middle part of the rubber diaphragm 9, and the rubber diaphragm 9 is arranged at the connecting part of a main pump shell 1 and the machine core shell 2; a water inlet is arranged on the side wall of the main pump shell 1, the water inlet penetrates through the water inlet pipe 19, the front side part of the water inlet pipe 19 is longitudinally arranged on the inner side of the main pump shell 1, a water inlet valve cover 13 with a circular cross section is arranged on the front side part of the water inlet pipe 19, a water through hole 14 is arranged on the water inlet valve cover 13, and a water inlet one-way valve 10 is arranged on one side of the water inlet valve cover 13; the upper part of the main pump shell 1 is provided with a water outlet 16, and a water outlet check valve 17 is arranged at the water outlet 16. Through the design, the utility model provides a diaphragm pump body for an oral care implement, which has simple structure and convenient installation, and avoids the problems of water leakage and short service life caused by the abrasion of parts such as a piston and a cylinder wall and the like and the reduction of tightness due to temperature difference shrinkage in the use process of the pump body; the medium pumped by the diaphragm is completely separated from the moving part in the pump body and cannot leak outwards, and the diaphragm can run without medium in midway and cannot be damaged by dry grinding; it can also be used for delivering liquid mixed with medicinal liquid, such as collutory for cleaning oral cavity.
In order to ensure the use effect of the pump body, the lower part of the main pump shell 1 is provided with an annular groove 15, and the inner wall of the embedded groove is provided with an annular bulge 24 matched with the annular groove. The cross section of the lower part of the main pump shell 1 and the cross section of the upper part of the machine core shell 2 are both circular. Rubber diaphragm 9 sets up in the junction of main pump shell 1 and core housing 2, and usable main pump shell 1 presss from both sides tightly and fixes the outside portion of rubber diaphragm 9 with core housing 2, and the upper portion of the connecting rod 7 of being convenient for drives the middle part of rubber diaphragm 9 and carries out upper and lower reciprocating motion.
The front side portion of inlet tube 19 is vertical setting in the inboard of main pump case 1, and inlet tube 19 middle part passes water inlet department and is horizontal setting, and the back lateral part of inlet tube 19 is vertical setting in the outside of main pump case 1 to inlet tube 19 absorbs water. In order to ensure that the water inlet pipe 19 is stably connected with the main pump shell 1, the water inlet pipe 19 and the main pump shell 1 adopt an integrated structure. The water inlet pipe 19 and the main pump housing 1 are formed by injection molding, and the rear side portion of the water inlet pipe 19 is bent downward by heating after the injection molding. The lower part of the main pump shell 1 is provided with a strip-shaped bulge which is annularly arranged on the outer surface of the main pump shell 1, and the inner wall of the embedded groove is provided with an annular groove matched with the strip-shaped bulge. The cross section of the lower part of the main pump shell 1 and the cross section of the upper part of the machine core shell 2 are both circular.
The water inlet one-way valve 10 comprises a water inlet one-way valve handle 11, and an insertion hole 12 for inserting the water inlet one-way valve handle 11 is formed in the middle of a water inlet valve cover 13. The water inlet check valve 10 is in an umbrella shape, and the water inlet check valve 10 is made of soft vulcanized soft rubber materials. Six water through holes 14 are formed, and the six water through holes 14 are annularly arranged on the outer side part of the water inlet valve cover 13. The lower end of the front side part of the water inlet pipe 19 is connected with the outer edge of the water inlet valve cover 13 through ultrasonic welding.
The outer side of the upper part of the water outlet one-way valve 17 is provided with a circular waterproof ring 18. Can play the waterproof function of side direction through waterproof circle 18, improve the sealed effect of equipment, for example, install towards tooth ware inside back, waterproof circle 18 can block the side direction infiltration to guarantee the normal operating of the pump body. The water outlet check valve 17 and the waterproof ring adopt an integrated structure. Be provided with the case that is the duckbilled in the play water check valve 17, the case includes that two are the flexible glue film that the slope was arranged, and two flexible glue films are the both sides of setting up the inner wall at a play water check valve 17 relatively. The outer diameter of the lower part of the water outlet check valve 17 is gradually reduced from top to bottom, and the function of diffusion and flow distribution can be achieved.
The lower part of the main pump housing 1 is bonded with the outer side part of the rubber diaphragm 9 by glue. The upper part of the connecting rod 7 is bonded with the lower part of the rubber diaphragm 9 by vulcanization. The rubber diaphragm 9 is a soft high-molecular rubber diaphragm with elasticity, after the connecting rod 7 is processed and formed, the upper part of the connecting rod 7 and the lower part of the rubber diaphragm 9 are encapsulated, bonded and fixed in a vulcanization mode, and the rubber diaphragm is more reliable in structure and easy to assemble. Alternatively, the upper portion of the connecting rod 7 and the lower portion of the rubber diaphragm 9 may be bonded by glue.
The core shell 2 comprises a core front shell 20 and a core rear shell 21, the upper part of the core front shell 20 is connected with the upper part of the core rear shell 21 through a bolt 22, and the lower part of the core front shell 20 is connected with the lower part of the core rear shell 21 through a buckle 23, so that the structural stability of the core shell 2 is ensured. The eccentric wheel 6 and the crown gear 5 adopt an integrated structure. The upper part of the machine core rear shell 21 is provided with a fixed shaft 25, and the middle part of the crown gear 5 and one side part of the eccentric wheel 6 are provided with fixed shaft holes for penetrating the fixed shaft 25. The fixing shaft 25 is a metal fixing shaft. The axes of the spur gear 4 and the crown gear 5 are arranged at 90 degrees and are meshed with each other to be connected, so that the speed change torque is transmitted to the connecting rod 7 to drive the rubber diaphragm 9 to work.
The second embodiment is as follows:
as shown in fig. 5, 6, 7 and 8, a transmission diaphragm pump body for an oral care implement comprises a diaphragm pump body, wherein the transmission diaphragm pump body comprises a core shell and a main pump shell, and the lower part of the main pump shell is connected with the upper part of the core shell through threads; a direct current motor 3, a straight gear 4, a crown gear 5, an eccentric wheel 6, a connecting rod 7 and a rubber diaphragm 9 are arranged in a machine core shell 2, the direct current motor 3 is arranged at the lower part of the inner side of the machine core shell 2, a rotating shaft of the direct current motor 3 is connected with the straight gear 4, the straight gear 4 is meshed with the crown gear 5, the eccentric wheel 6 is arranged in the middle of the crown gear 5, the eccentric wheel 6 is connected with the connecting rod 7, a mounting hole 8 used for penetrating the eccentric wheel 6 is formed in the lower part of the connecting rod 7, the upper part of the connecting rod 7 is connected with the middle part of the rubber diaphragm 9, and the rubber diaphragm 9 is arranged at the connecting part of a main pump shell 1 and the machine core shell 2; a water inlet is arranged on the side wall of the main pump shell 1, the water inlet penetrates through the water inlet pipe 19, the front side part of the water inlet pipe 19 is longitudinally arranged on the inner side of the main pump shell 1, a water inlet valve cover 13 with a circular cross section is arranged on the front side part of the water inlet pipe 19, a water through hole 14 is arranged on the water inlet valve cover 13, and a water inlet one-way valve 10 is arranged on one side of the water inlet valve cover 13; the upper part of the main pump shell 1 is provided with a water outlet 16, and a water outlet check valve 17 is arranged at the water outlet 16. Through the design, the utility model provides a diaphragm pump body for an oral care implement, which has simple structure and convenient installation, and avoids the problems of water leakage and short service life caused by the abrasion of parts such as a piston and a cylinder wall and the like and the reduction of tightness due to temperature difference shrinkage in the use process of the pump body; the medium pumped by the diaphragm is completely separated from the moving part in the pump body and cannot leak outwards, and the diaphragm can run without medium in midway and cannot be damaged by dry grinding; it can also be used for delivering liquid mixed with medicinal liquid, such as collutory for cleaning oral cavity.
In order to ensure the use effect of the pump body, the cross section of the upper part of the machine core shell 2 is in a circular ring shape, the outer surface of the upper part of the machine core shell 2 is provided with external threads 26, the cross section of the lower part of the main pump shell 1 is in a circular ring shape, and the inner surface of the lower part of the main pump shell 1 is provided with internal threads 27 matched with the external threads 26. The machine core shell 2 is connected with the main pump shell 1 through threads, so that the machine core shell 2 and the main pump shell 1 can be conveniently mounted and dismounted. Rubber diaphragm 9 sets up in the junction of main pump shell 1 and core housing 2, and usable main pump shell 1 presss from both sides tightly and fixes the outside portion of rubber diaphragm 9 with core housing 2, and the upper portion of the connecting rod 7 of being convenient for drives the middle part of rubber diaphragm 9 and carries out upper and lower reciprocating motion.
The lower part of the main pump shell 1 is provided with an annular groove 15, and the inner wall of the embedded groove is provided with an annular bulge 24 matched with the annular groove. The cross section of the lower part of the main pump shell 1 and the cross section of the upper part of the machine core shell 2 are both circular. Rubber diaphragm 9 sets up in the junction of main pump shell 1 and core housing 2, and usable main pump shell 1 presss from both sides tightly and fixes the outside portion of rubber diaphragm 9 with core housing 2, and the upper portion of the connecting rod 7 of being convenient for drives the middle part of rubber diaphragm 9 and carries out upper and lower reciprocating motion.
The front side portion of inlet tube 19 is vertical setting in the inboard of main pump case 1, and inlet tube 19 middle part passes water inlet department and is horizontal setting, and the back lateral part of inlet tube 19 is vertical setting in the outside of main pump case 1 to inlet tube 19 absorbs water. In order to ensure that the water inlet pipe 19 is stably connected with the main pump shell 1, the water inlet pipe 19 and the main pump shell 1 adopt an integrated structure. The water inlet pipe 19 and the main pump housing 1 are formed by injection molding, and the rear side portion of the water inlet pipe 19 is bent downward by heating after the injection molding. The lower part of the main pump shell 1 is provided with a strip-shaped bulge which is annularly arranged on the outer surface of the main pump shell 1, and the inner wall of the embedded groove is provided with an annular groove matched with the strip-shaped bulge. The cross section of the lower part of the main pump shell 1 and the cross section of the upper part of the machine core shell 2 are both circular.
The water inlet one-way valve 10 comprises a water inlet one-way valve handle 11, and an insertion hole 12 for inserting the water inlet one-way valve handle 11 is formed in the middle of a water inlet valve cover 13. The water inlet check valve 10 is in an umbrella shape, and the water inlet check valve 10 is made of soft vulcanized soft rubber materials. Six water through holes 14 are formed, and the six water through holes 14 are annularly arranged on the outer side part of the water inlet valve cover 13. The lower end of the front side part of the water inlet pipe 19 is connected with the outer edge of the water inlet valve cover 13 through ultrasonic welding.
The outer side of the upper part of the water outlet one-way valve 17 is provided with a circular waterproof ring 18. Can play the waterproof function of side direction through waterproof circle 18, improve the sealed effect of equipment, for example, install towards tooth ware inside back, waterproof circle 18 can block the side direction infiltration to guarantee the normal operating of the pump body. The water outlet check valve 17 and the waterproof ring adopt an integrated structure. Be provided with the case that is the duckbilled in the play water check valve 17, the case includes that two are the flexible glue film that the slope was arranged, and two flexible glue films are the both sides of setting up the inner wall at a play water check valve 17 relatively. The outer diameter of the lower part of the water outlet check valve 17 is gradually reduced from top to bottom, and the function of diffusion and flow distribution can be achieved.
The lower part of the main pump housing 1 is bonded with the outer side part of the rubber diaphragm 9 by glue. The upper part of the connecting rod 7 is bonded with the lower part of the rubber diaphragm 9 by vulcanization. The rubber diaphragm 9 is a soft high-molecular rubber diaphragm with elasticity, after the connecting rod 7 is processed and formed, the upper part of the connecting rod 7 and the lower part of the rubber diaphragm 9 are encapsulated, bonded and fixed in a vulcanization mode, and the rubber diaphragm is more reliable in structure and easy to assemble. Alternatively, the upper portion of the connecting rod 7 and the lower portion of the rubber diaphragm 9 may be bonded by glue.
The core shell 2 comprises a core front shell 20 and a core rear shell 21, the upper part of the core front shell 20 is connected with the upper part of the core rear shell 21 through a bolt 22, and the lower part of the core front shell 20 is connected with the lower part of the core rear shell 21 through a buckle 23, so that the structural stability of the core shell 2 is ensured. The eccentric wheel 6 and the crown gear 5 adopt an integrated structure. The upper part of the machine core rear shell 21 is provided with a fixed shaft 25, and the middle part of the crown gear 5 and one side part of the eccentric wheel 6 are provided with fixed shaft holes for penetrating the fixed shaft 25. The fixing shaft 25 is a metal fixing shaft. The axes of the spur gear 4 and the crown gear 5 are arranged at 90 degrees and are meshed with each other to be connected, so that the speed change torque is transmitted to the connecting rod 7 to drive the rubber diaphragm 9 to work.
When the rubber diaphragm pump is used, the direct current motor 3 in the machine core shell 2 drives the straight gear 4 to rotate through the rotating shaft of the direct current motor, the straight gear 4 is meshed with the crown gear 5, so that the crown gear 5 rotates by taking the fixed shaft 25 as the center, the eccentric wheel 6 positioned in the middle of the crown gear 5 rotates along with the straight gear, and the eccentric wheel 6 drives the connecting rod 7 to do up-and-down reciprocating motion when rotating, so that the middle of the rubber diaphragm 9 does up-and-down reciprocating motion along with the connecting rod 7 in a cavity formed at the joint of the main pump shell 1 and the machine core shell 2; when the connecting rod 7 drives the rubber diaphragm 9 to move downwards, the valve core of the water outlet check valve 17 seals the water outlet 16 under the action of negative pressure in the pump body, the water inlet check valve 10 is sucked away by negative pressure, and suction force for pumping water can be generated in the pump body, when the connecting rod 7 drives the rubber diaphragm 9 to move upwards, the water inlet check valve 10 is attached to the end face of the water inlet valve cover 13 under the action of positive pressure and seals the water inlet, and the valve core in the water outlet check valve 17 is pushed away by positive pressure generated by the rubber diaphragm 9, so that instant thrust is generated on liquid in the pump body, and the liquid can be sprayed out from the pump body through continuous reciprocating motion.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement 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 diaphragm pump body for an oral care implement, comprising a diaphragm pump body, characterized in that the diaphragm pump body comprises a core housing and a main pump housing, wherein the upper part of the core housing is connected with the lower part of the main pump housing;
a direct current motor, a straight gear, a crown gear, an eccentric wheel, a connecting rod and a rubber diaphragm are arranged in the machine core shell, the direct current motor is arranged at the lower part of the inner side of the machine core shell, a rotating shaft of the direct current motor is connected with the straight gear, the straight gear is meshed with the crown gear, the eccentric wheel is arranged in the middle of the crown gear, the eccentric wheel is connected with the connecting rod, a mounting hole for penetrating the eccentric wheel is formed in the lower part of the connecting rod, the upper part of the connecting rod is connected with the middle of the rubber diaphragm, and the rubber diaphragm is arranged at the joint of the main pump shell and the machine core shell;
the side wall of the main pump shell is provided with a water inlet, the water inlet penetrates through a water inlet pipe, the front side part of the water inlet pipe is longitudinally arranged on the inner side of the main pump shell, the front side part of the water inlet pipe is provided with a water inlet valve cover with a circular cross section, the water inlet valve cover is provided with a water through hole, and one side of the water inlet valve cover is provided with a water inlet one-way valve;
the upper part of the main pump shell is provided with a water outlet, and a water outlet one-way valve is arranged at the water outlet.
2. The diaphragm pump body for an oral care implement of claim 1, wherein an upper portion of said cartridge housing is provided with an embedded groove, and a lower portion of said main pump housing is embedded in said embedded groove.
3. The diaphragm pump body of claim 1, wherein a lower portion of said main pump housing is threadably connected to an upper portion of said cartridge housing.
4. The diaphragm pump body of claim 1, wherein said inlet tube is of unitary construction with said main pump housing.
5. The diaphragm pump body for an oral care implement according to claim 1, wherein said inlet check valve comprises an inlet check valve stem, and an insertion hole for inserting said inlet check valve stem is formed in a middle portion of said inlet valve cap;
six water passing holes are annularly distributed on the outer side part of the water inlet valve cover.
6. The diaphragm pump body for an oral care implement according to any one of claims 1 to 3, wherein a waterproof ring having a circular ring shape is provided on an outer side of an upper portion of the outlet check valve.
7. The diaphragm pump body for an oral care implement according to any one of claims 1 to 3, wherein an outer diameter of a lower portion of the water outlet check valve is gradually reduced from top to bottom.
8. A diaphragm pump body for an oral care implement according to any one of claims 1 to 3, wherein an upper portion of the connecting rod is bonded to a lower portion of the rubber diaphragm by vulcanization.
9. The diaphragm pump body for an oral care implement of any one of claims 1 to 3, wherein said cartridge housing comprises a cartridge front housing and a cartridge rear housing, wherein an upper portion of said cartridge front housing is connected to an upper portion of said cartridge rear housing by a bolt, and a lower portion of said cartridge front housing is connected to a lower portion of said cartridge rear housing by a snap.
10. A diaphragm pump body for an oral care implement according to any one of claims 1 to 3, wherein a lower portion of the main pump housing is bonded to an outer side portion of the rubber diaphragm by glue.
CN202121385874.5U 2021-06-22 2021-06-22 Diaphragm pump body for oral care implement Active CN214944872U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121385874.5U CN214944872U (en) 2021-06-22 2021-06-22 Diaphragm pump body for oral care implement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121385874.5U CN214944872U (en) 2021-06-22 2021-06-22 Diaphragm pump body for oral care implement

Publications (1)

Publication Number Publication Date
CN214944872U true CN214944872U (en) 2021-11-30

Family

ID=79049478

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121385874.5U Active CN214944872U (en) 2021-06-22 2021-06-22 Diaphragm pump body for oral care implement

Country Status (1)

Country Link
CN (1) CN214944872U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114278556A (en) * 2021-12-31 2022-04-05 上海飞科电器股份有限公司 Water pumping device and tooth flushing device
CN114668539A (en) * 2022-03-28 2022-06-28 福州牙宜生口腔科技有限公司 Tooth flushing device core

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114278556A (en) * 2021-12-31 2022-04-05 上海飞科电器股份有限公司 Water pumping device and tooth flushing device
CN114668539A (en) * 2022-03-28 2022-06-28 福州牙宜生口腔科技有限公司 Tooth flushing device core

Similar Documents

Publication Publication Date Title
CN214944872U (en) Diaphragm pump body for oral care implement
WO2021208286A1 (en) Pulse water pump and water flosser
CN210564936U (en) Water pumping device of tooth flushing device
CN216021485U (en) Novel water pump and tooth flushing device
CN212615211U (en) Leak protection water pump and tooth washing device
CN214145786U (en) Elastic rubber sleeve type water pump
WO2020082553A1 (en) Elastic diaphragm pump
CN211094889U (en) Pressure boost leak protection water toothpick
CN211777933U (en) Water outlet pump
CN217270852U (en) Double-impeller high-pressure centrifugal pump
CN111894827A (en) Leak protection water pump and tooth washing device
CN216950726U (en) Tooth flushing device piston pump
CN218717426U (en) Water pump device and oral care equipment
CN206592279U (en) Rotary diving pump head
CN219492566U (en) Water leakage preventing water pump and tooth flushing device
KR102654552B1 (en) rotating positive displacement pump
CN218773968U (en) Tooth flushing device core and tooth flushing device
CN220828380U (en) Aligning buffer structure of automobile electronic water pump
CN215486565U (en) High-strength gear pump not easy to damage
CN216430043U (en) Anti-loosening impeller structure of single suction pump
CN221033040U (en) Water pump structure of tooth flushing device and tooth flushing device
CN221083858U (en) Tooth-flushing device
CN215109513U (en) Pump head structure of silence self priming pump
CN216985243U (en) Water pump connecting structure of tooth flushing device easy to assemble and tooth flushing device
CN216894832U (en) A miniature liquid injection pump for tooth root canal is washed

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 629000 1-12, No. 90, Jiankun Avenue, logistics port, high tech Zone, Suining City, Sichuan Province

Patentee after: Deng Qingyong

Address before: 629000 No. 34, group 1, Mopan village, Sanjia Town, Anju District, Suining City, Sichuan Province

Patentee before: Deng Qingyong