CN214549684U - Transmission pump and tooth flushing device - Google Patents
Transmission pump and tooth flushing device Download PDFInfo
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- CN214549684U CN214549684U CN202023157272.2U CN202023157272U CN214549684U CN 214549684 U CN214549684 U CN 214549684U CN 202023157272 U CN202023157272 U CN 202023157272U CN 214549684 U CN214549684 U CN 214549684U
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Abstract
The utility model discloses a transmission pump and tooth washing device, the transmission pump includes the casing, sets up drive arrangement in the casing, sets up pump body subassembly in the casing, sets up the drive mechanism who just is located between drive arrangement and the pump body subassembly in the casing, pump body subassembly includes cylinder body and piston, the cylinder body is along the fixed setting in the casing of first direction, fixed mounting has the cylinder liner in the cylinder body, the piston is in along first direction sliding connection in the cylinder liner, drive mechanism and piston connection are used for driving the piston edge at drive arrangement during operation first direction reciprocating motion. Set up the cylinder liner in the cylinder body, the piston contacts with the cylinder liner when the motion, even there is wearing and tearing, the maintenance also need only to change the cylinder liner this moment and can need not to change whole pump body, consequently overhauls more conveniently.
Description
Technical Field
The utility model belongs to the technical field of oral care utensil, especially, transmission pump and towards tooth ware.
Background
The tooth flushing device is generally used for nursing oral cavity, mainly comprises a main machine, a water tank, a nozzle and the like, wherein a transmission pump and a water flow channel formed by a water inlet flow channel and a water outlet flow channel are arranged in the main machine; the transmission pump is communicated with the water outlet flow passage, and the water outlet flow passage conveys the pressurized water to the nozzle, so that the nozzle can spray high-pressure water flow for flushing teeth.
The transmission pump is mainly used for pressurizing water in the water flow channel, generally comprises a driving device, a transmission mechanism and a pump body, wherein the driving device comprises a motor, an output shaft of the motor is connected with the transmission mechanism and used for providing power for the pump body and driving a piston in the pump body to reciprocate, and the piston applies pressure to the water in the water flow channel.
At present, the direct sliding connection of piston of traditional transmission pump is in the pump body, and there is the friction transmission pump in the operation between piston and the pump body, and along with the increase of live time, the clearance between the piston and the pump body increases because of the friction, consequently can have the not enough scheduling problem of leakage and tooth washing ware pressure, and the liquid of leaking gets into the life that the motor can seriously influence the motor, causes whole transmission pump to scrap difficult the restoration because of the pump body is worn and torn moreover.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a transmission pump, it is not only sealed good difficult leakage, is convenient for maintain moreover.
In order to achieve the above object, the utility model provides a following technical scheme:
in order to solve the technical problem, the utility model provides a transmission pump, including casing, setting drive arrangement in the casing, set up pump body subassembly in the casing, set up the drive mechanism in the casing and be located between drive arrangement and the pump body subassembly, pump body subassembly includes cylinder body and piston, the cylinder body is along the fixed setting in the casing of first direction, fixed mounting has the cylinder liner in the cylinder body, the piston is in along first direction sliding connection in the cylinder liner, drive mechanism is used for driving the piston with piston connection and follows at drive arrangement during operation first direction reciprocating motion.
Through above-mentioned technical scheme, set up the cylinder liner in the cylinder body, the piston contacts with the cylinder liner when the motion, even there is wearing and tearing, the maintenance also need only to change the cylinder liner this moment and can need not to change whole pump body, consequently overhauls more conveniently.
Furthermore, the transmission mechanism comprises a transmission wheel and a connecting rod, the transmission wheel is rotatably connected in the shell, one end of the connecting rod is connected with the transmission wheel so as to reciprocate under the driving of the transmission wheel, and the other end of the connecting rod is connected with the piston so as to enable the piston to reciprocate along the first direction.
Furthermore, a corrugated sleeve is arranged between the connecting rod and the cylinder body, one end of the corrugated sleeve is fixedly sleeved on the cylinder body, and the other end of the corrugated sleeve is fixedly sleeved on the connecting rod; the corrugated sleeve is arranged, so that liquid flowing out from a gap between the cylinder sleeve and the piston can be effectively prevented from flowing to the driving device.
Further, the driving device is a motor, a gear is fixedly arranged on an output shaft of the motor, the transmission wheel is provided with an eccentric shaft and a gear ring, and the gear ring is used for being meshed with the gear so as to drive the eccentric shaft to eccentrically rotate around the rotation center of the transmission wheel; one end of the connecting rod is movably connected with the eccentric shaft so as to reciprocate under the driving of the driving wheel.
Furthermore, one end of the cylinder body, which is far away from the transmission mechanism, is provided with a water outlet joint, and the side surface of the cylinder body is provided with a water inlet joint.
Further, the cylinder sleeve is made of stainless steel materials; the cylinder sleeve made of stainless steel material has good surface finish, wear resistance and deformation resistance.
Furthermore, a rotating shaft is arranged in the shell, the driving wheel is rotatably connected to the rotating shaft, and the rotating shaft is located at the rotating axis of the driving wheel.
The utility model also provides a tooth flushing device, tooth flushing device includes foretell transmission pump, transmission pump is used for right tooth flushing device's rivers are said and are pressurized.
Advantageous effects
Compared with the prior art, the technical scheme of the utility model have following advantage:
the cylinder sleeve made of stainless steel materials is arranged in the cylinder body, so that on one hand, the maintenance is convenient, the maintenance cost is low, and the whole pump body is not required to be replaced, and on the other hand, the cylinder sleeve made of stainless steel materials is more wear-resistant, not easy to deform and good in surface finish; in addition, the corrugated sleeve arranged between the cylinder body and the connecting rod can effectively prevent liquid flowing out from a gap between the piston and the cylinder sleeve from flowing to the motor to cause damage of the motor, and the service life of the motor is greatly prolonged.
Drawings
Fig. 1-2 are perspective views of the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a right side view of the present invention;
FIG. 5 is a sectional view taken along line A-A of FIG. 3;
FIGS. 6-7 are views showing the connection structure of the driving device, the transmission mechanism and the pump body assembly in this embodiment;
fig. 8 is an exploded view of the case in this embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a transmission pump, which includes a housing 1, a driving device disposed in the housing 1, a pump assembly disposed in the housing 1, and a transmission mechanism disposed in the housing 1 and located between the driving device and the pump assembly, wherein the housing 11 includes a first housing 1a and a second housing 1b, and the first housing 1a and the second housing 1b are covered together to form the housing 1; the pump body assembly comprises a cylinder body 2 and a piston 3, the cylinder body 2 is fixedly arranged in a shell 1 along a first direction, a cylinder sleeve 4 is fixedly arranged in the cylinder body 2, the piston 3 is connected in the cylinder sleeve 4 in a sliding mode along the first direction, and a transmission mechanism is connected with the piston 3 and used for driving the piston 3 to reciprocate along the first direction when a driving device works.
The driving device is a motor 5, a gear 6 is fixedly arranged on an output shaft of the motor 5, the transmission mechanism comprises a transmission wheel 7 and a connecting rod 8, a rotating shaft is arranged in the shell 1, the transmission wheel 7 is rotatably connected to the rotating shaft 9, the transmission wheel 7 is provided with an eccentric shaft 71 and a toothed ring 72, and the toothed ring 72 is used for being meshed with the gear 6 to drive the eccentric shaft 71 to eccentrically rotate around the rotating shaft 9; one end of the connecting rod 8 is movably connected with the eccentric shaft 71 so as to reciprocate under the driving of the driving wheel 7; the other end of the connecting rod 8 is in ball joint with the piston 3 so as to enable the piston 3 to reciprocate along the first direction. A corrugated sleeve 10 is arranged between the connecting rod 8 and the cylinder body 2, the corrugated sleeve 10 is made of silica gel material, one end of the corrugated sleeve is a large opening end, the other end of the corrugated sleeve is a small opening end, the large opening end of the corrugated sleeve 10 is fixedly sleeved on the cylinder body 2, and the small opening end is fixedly sleeved on the connecting rod 8; specifically, a first annular clamping groove 21 is arranged on the outer side of the cylinder body 2, and a first annular protrusion 10a extending into the first annular clamping groove 21 is arranged on the inner side of the large opening end of the corrugated sleeve 10; two convex shoulders 8a are arranged on the outer side of the rod of the piston 3 in parallel, a second annular clamping groove is formed between the two convex shoulders 8a, and an annular clamping block 10b located between the second annular clamping grooves is arranged at the small opening end of the corrugated sleeve 10.
In this embodiment, a water outlet joint 11 is arranged at one end of the cylinder body 2 far away from the transmission mechanism, a water outlet one-way valve is arranged in the water outlet joint 11, a water inlet joint 12 is arranged on the side surface of the cylinder body 2, and a water inlet one-way valve is arranged in the water inlet joint 12.
In the embodiment, the gear 6 is connected to an output shaft of the motor 5 to rotate along with the output shaft of the motor 5, the transmission wheel 7 rotates around the rotating shaft 9, the toothed ring 72 of the transmission wheel 7 is used for being meshed with the gear 6, so that the gear 6 is driven by the motor 5 to rotate, the transmission wheel 7 is driven to rotate through the toothed ring 72, the eccentric shaft 71 of the transmission wheel 7 is used for being movably connected with the connecting rod 8, specifically, a lantern ring sleeved on the eccentric shaft 71 is arranged at the end part of the connecting rod 8 to enable the connecting rod 8 to reciprocate under the driving of the transmission wheel 7, and the piston 3 in spherical hinge with the connecting rod 8 is driven to reciprocate in the cylinder sleeve 4 when the connecting rod 8 reciprocates, so that water is discharged from the water outlet joint 11 after water is fed and pressurized by the water inlet joint 12; the cylinder sleeve 4 made of stainless steel materials is arranged in the cylinder body 2, so that on one hand, the maintenance is convenient, the maintenance cost is low, the whole pump body does not need to be replaced, and on the other hand, the cylinder sleeve 4 made of stainless steel materials is more wear-resistant, not easy to deform and good in surface finish; in addition, in the embodiment, the corrugated sleeve 10 is arranged between the cylinder body 2 and the connecting rod 8, so that liquid flowing out from a gap between the piston 3 and the cylinder sleeve 4 can be effectively prevented from flowing to the motor 5, the motor 5 is damaged, and the service life of the motor 5 is greatly prolonged.
The utility model also provides a tooth flushing device, tooth flushing device includes foretell transmission pump, transmission pump is used for right tooth flushing device's rivers are said and are pressurized.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a transmission pump, includes the casing, sets up drive arrangement in the casing, sets up pump body subassembly in the casing, sets up the drive mechanism that just is located between drive arrangement and the pump body subassembly in the casing, pump body subassembly includes cylinder body and piston, its characterized in that, the cylinder body is along the fixed setting of first direction in the casing, fixed mounting has the cylinder liner in the cylinder body, the piston is in along first direction sliding connection in the cylinder liner, drive mechanism is connected with the piston and is used for driving the piston edge at drive arrangement during operation first direction reciprocating motion.
2. The transmission pump as recited in claim 1, wherein: the transmission mechanism comprises a transmission wheel and a connecting rod, the transmission wheel is rotatably connected in the shell, one end of the connecting rod is connected with the transmission wheel to reciprocate under the driving of the transmission wheel, and the other end of the connecting rod is connected with the piston to enable the piston to reciprocate along the first direction.
3. The transmission pump as claimed in claim 2, wherein: a corrugated sleeve is arranged between the connecting rod and the cylinder body, one end of the corrugated sleeve is fixedly sleeved on the cylinder body, and the other end of the corrugated sleeve is fixedly sleeved on the connecting rod.
4. The transmission pump as claimed in claim 2, wherein: the driving device is a motor, a gear is fixedly arranged on an output shaft of the motor, the transmission wheel is provided with an eccentric shaft and a gear ring, and the gear ring is meshed with the gear to drive the eccentric shaft to eccentrically rotate around the rotation center of the transmission wheel; one end of the connecting rod is movably connected with the eccentric shaft so as to reciprocate under the driving of the driving wheel.
5. The transmission pump as claimed in claim 2, wherein: the shell is internally provided with a rotating shaft, the driving wheel is rotatably connected to the rotating shaft, and the rotating shaft is positioned at the rotating axis of the driving wheel.
6. The transmission pump as recited in claim 1, wherein: the cylinder sleeve is made of stainless steel materials.
7. A dental irrigator comprising a drive pump according to any one of claims 1 to 6 for pressurising the water flow path of the irrigator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023157272.2U CN214549684U (en) | 2020-12-24 | 2020-12-24 | Transmission pump and tooth flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023157272.2U CN214549684U (en) | 2020-12-24 | 2020-12-24 | Transmission pump and tooth flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214549684U true CN214549684U (en) | 2021-11-02 |
Family
ID=78334285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023157272.2U Active CN214549684U (en) | 2020-12-24 | 2020-12-24 | Transmission pump and tooth flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214549684U (en) |
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2020
- 2020-12-24 CN CN202023157272.2U patent/CN214549684U/en active Active
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