CN217841982U

CN217841982U - Water pumping device for tooth flushing device

Info

Publication number: CN217841982U
Application number: CN202220101559.3U
Authority: CN
Inventors: 郑祥云; 龙巍
Original assignee: Geai Huizhou Transmission Technology Co ltd
Current assignee: Geai Huizhou Transmission Technology Co ltd
Priority date: 2022-01-16
Filing date: 2022-01-16
Publication date: 2022-11-18
Anticipated expiration: 2032-01-16

Abstract

The utility model belongs to the technical field of towards tooth ware, especially, relate to a towards tooth ware with pumping device, including the shell with set up the drive assembly in the shell, plunger pole subassembly and cylinder body structure, the plunger pole subassembly includes the plunger pole, hydraulic pressure seals the seat, first sealing washer and wear-resisting pressure ring, cylinder body structure part sets up between plunger pole and hydraulic pressure seal seat, first sealing washer sets up between hydraulic pressure seal seat and plunger pole, wear-resisting pressure ring sets up between first sealing washer and cylinder body structure, drive assembly drives the plunger pole reciprocating motion in the cylinder body structure, pumps water. The utility model discloses simple structure, the leakproofness is good, moreover through ingenious structural design, adopts the plunger pump structure to replace current piston pump structure, has not only solved the problem of leaking ingeniously, owing to there being not the contact of plunger and cylinder body, can not have the appearance of the problem of generating heat moreover, consequently, the life of whole pump water installation further prolongs.

Description

Water pumping device for tooth flushing device

Technical Field

The utility model belongs to the technical field of towards the tooth ware, especially, relate to a pump water installation for towards tooth ware.

Background

At present, people generally use toothbrushes to clean teeth, however, the existing toothbrushes only can clean dirt and residues on the surfaces of the teeth, and are difficult to completely clean residues in teeth, especially more and more people do orthodontic plastic, the residues in plastic steel wires and pressing blocks are difficult to brush out through the toothbrushes and are difficult to remove by toothpicks or dental floss, so that the electric tooth rinser is popular with the public more and more, and mainly utilizes high-speed water flow to rinse the teeth so as to clean the teeth.

The water flushing device generally comprises a water tank, a water pumping device and a spray head, wherein the water pumping device comprises a transmission assembly, a piston and a piston cylinder, the transmission assembly generally comprises a motor, a worm, a gear (or a worm wheel), an eccentric wheel and a connecting rod, the motor drives the worm to rotate when rotating, the rotation of the worm further drives the rotation of the gear (or the worm wheel) and the eccentric wheel, and the eccentric wheel drives the piston to reciprocate in the piston cylinder through the connecting rod, so that water is pumped out.

However, in the existing tooth-washing device, because the piston is tightly attached to the wall of the piston cylinder, the friction loss is large, and the wall of the piston cylinder is thin, the problem of water leakage is very easy to occur after the tooth-washing device is used for a period of time, and because of the rapid movement and friction of the piston, the tooth-washing device is easy to generate heat in the using process, and the service life of the piston cylinder is further shortened.

In view of the above, through diligent research and research, the inventor of the present application has developed a water pumping device for a dental irrigator, which skillfully solves the problem of water leakage by adopting a plunger pump structure to replace the existing piston pump structure through a smart structural design, and further prolongs the service life of the whole water pumping device because no plunger contacts with a cylinder body and no heat is generated. Meanwhile, the whole device is simple in structure, low in cost and simple to manufacture.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a not enough to prior art, and provide a water pumping device for tooth flusher, it adopts the plunger pump structure to replace current piston pump structure through ingenious structural design, has not only solved the problem of leaking ingeniously, owing to do not have the contact of plunger and cylinder body moreover, can not have the appearance of the problem of generating heat, consequently, whole water pumping device's life further prolongs. Meanwhile, the whole device is simple in structure, low in cost and simple to manufacture.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a water pumping device for tooth flushing device, includes the shell and sets up in drive assembly, plunger pole subassembly and cylinder body structure in the shell, the plunger pole subassembly includes plunger pole, hydraulic pressure seals a seat, first sealing washer and wear-resisting pressure ring, the cylinder body structure part set up in the plunger pole with hydraulic pressure seals between the seat, first sealing washer set up in hydraulic pressure seals a seat with between the plunger pole, wear-resisting pressure ring set up in first sealing washer with between the cylinder body structure, drive assembly drives the plunger pole in reciprocating motion in the cylinder body structure pumps water.

As an improvement of the water pumping device for a tooth rinsing device of the present invention, the diameter of the plunger rod is smaller than the inner diameter of the cylinder structure, thereby the plunger rod and the cylinder structure have a gap therebetween.

As an improvement of the water pumping device for the tooth flushing device, the inner surface of the hydraulic seal seat is provided with a first step and a second step, the wear-resistant pressure ring is arranged on the first step, and the first sealing ring is arranged on the second step.

As an improvement of the water pumping device for the tooth flushing device of the utility model, the first sealing ring comprises a bottom, an inner ring extending upwards from the inner edge of the bottom and an outer ring extending upwards from the outer edge of the bottom.

As an improvement of the water pumping device for the tooth flushing device, the transmission assembly comprises a motor, a gear, an eccentric wheel and a swing arm, the gear sleeve is arranged on the output shaft of the motor, the gear is meshed with the eccentric wheel, one end sleeve of the swing arm is arranged on the eccentric wheel, and the other end of the swing arm is in contact with the plunger rod.

As an improvement of the water pumping device for the tooth flushing device, the plunger rod is close to one end of the swing arm which is provided with a spherical structure, and the other end of the swing arm is formed with a holding cavity for the spherical structure to rotate in the holding cavity.

As the utility model discloses towards tooth ware is with an improvement of water pumping device, be formed with the spacing groove in the swing arm, be provided with eccentric round platform on the eccentric wheel, eccentric round platform is arranged in the spacing inslot, just be provided with the gear shaft in the eccentric round platform.

As the utility model discloses towards tooth ware is with a improvement of pumping device, the cylinder body structure includes the pump body, the adapter of intaking, nozzle holder, locking seat and nozzle, the end of intaking of the pump body with the adapter of intaking is connected, the play water end of the pump body loops through the nozzle holder with the locking seat with the nozzle is connected.

As an improvement of the water pumping device for the tooth flushing device, a second sealing ring and a first one-way valve are arranged between the water inlet adapter and the water inlet end of the pump body;

the water outlet end of the pump body with be provided with third sealing washer and second check valve between the nozzle holder, the nozzle holder with be provided with the fourth sealing washer between the locking seat, the locking seat with be provided with jump ring and fifth sealing washer between the nozzle.

As an improvement of the water pumping device for the tooth flushing device, the water outlet end of the pump body is provided with a concave part, and the lower part of the nozzle seat is provided with a convex column matched with the concave part;

the upper part of the nozzle seat is provided with a limiting column, and the locking seat is provided with a limiting hole matched with the limiting column;

the bottom of nozzle imbeds in the locking seat, lock the seat with bolted connection between the nozzle holder.

Compared with the prior art, the utility model has the advantages of as follows: the utility model discloses a shell with set up in drive assembly, plunger pole subassembly and cylinder body structure in the shell, the plunger pole subassembly includes plunger pole, hydraulic pressure seal seat, first sealing washer and wear-resisting pressure ring, overall structure is simple, and is with low costs, simple manufacture, the pumping is effectual moreover, the leakproofness is good, long service life.

Furthermore, the utility model discloses a plunger rod replaces current piston structure, and the diameter of plunger rod is less than the internal diameter of cylinder body structure to there is the clearance between plunger rod and the cylinder body structure, through this kind of ingenious structural design, not only solved the problem of leaking ingeniously, owing to do not have the contact of plunger rod and cylinder body, can not have the appearance of the problem of generating heat moreover, consequently, whole pumping device's life further prolongs. When the water pump is used, the plunger rod reciprocates in the cylinder structure under the driving action of the transmission assembly to pump water out, and although the volume change of the water is small (the water quantity pumped out each time is small) when the plunger rod moves each time, the water can be rapidly pumped out due to high reciprocating frequency, so that high water pressure can be still achieved, and even higher water pressure can be achieved than that of the piston structure. During reciprocation of the plunger rod, a volume change is created in the pump body, when the plunger rod is moved downwardly (toward the drive assembly), a vacuum is created in the pump body to pump water in from the water intake adapter, and when the plunger rod is moved upwardly (away from the drive assembly), water can be pumped out from the nozzle to pump water for use in dental cleaning and the like.

Therefore, the utility model discloses not only can solve the problem of leaking effectively, can reach required water pressure moreover equally, can be higher even.

Drawings

Fig. 1 is a schematic view of the exploded structure of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the present invention.

Fig. 3 is a schematic front view of the structure of the present invention.

Fig. 4 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3.

Fig. 5 is a cross-sectional view of a part of the structure of the present invention.

Fig. 6 is a schematic structural view of the first sealing ring of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail and fully below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. 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.

As shown in fig. 1 to 6, the utility model provides a water pumping device for tooth rinsing device, which comprises a housing 1, a transmission assembly 2, a plunger rod assembly 3 and a cylinder structure 4, wherein the transmission assembly 2, the plunger rod assembly 3 and the cylinder structure 4 are arranged in the housing 1, the plunger rod assembly 3 comprises a plunger rod 31, the transmission assembly 2 drives the plunger rod 31 to reciprocate in the cylinder structure 4, and water is pumped out;

the diameter of the plunger rod 31 is smaller than the inner diameter of the cylinder structure 4 so that there is a gap between the plunger rod 31 and the cylinder structure 4. Through the ingenious structural design, the problem of water leakage is solved skillfully, and the problem of heat generation does not occur due to the fact that the plunger rod 31 does not contact the cylinder body structure 4, so that the service life of the whole water pumping device is further prolonged. When the water pump is used, under the driving action of the transmission assembly 2, the plunger rod 31 reciprocates in the cylinder body structure 4 to pump out water, and although the amplitude of each motion of the plunger rod 31 is not large, the volume change of the water in the cylinder body structure 4 is small (the water quantity pumped out each time is small), the water can be rapidly pumped out due to high reciprocating frequency, so that high water pressure can be achieved, and even the water pressure is higher than that of the piston structure.

Plunger rod assembly 3 further comprises a hydraulic sealing seat 32, a first sealing ring 33 and an abrasion-resistant pressure ring 34, cylinder structure 4 is partially arranged between plunger rod 31 and hydraulic sealing seat 32, first sealing ring 33 is arranged between hydraulic sealing seat 32 and plunger rod 31, and abrasion-resistant pressure ring 34 is arranged between first sealing ring 33 and cylinder structure 4. The inside cavity 311 that opens to cylinder body structure 4 of seting up of plunger rod 31, its essence is the fabrication hole, and whole plunger rod assembly 3 simple structure is with low costs, simple manufacture, and the pumping is effectual moreover, and the leakproofness is good, long service life. The first sealing ring 33 and the wear-resistant pressure ring 34 are stationary. The wear-resistant pressure ring 34 plays a role of supporting, guiding and bearing water pressure, and the first sealing ring 33 plays a role of sealing.

The inner surface of the hydraulic seal seat 32 is provided with a first step 321 and a second step 322, the wear-resistant pressure ring 34 is arranged on the first step 321, and the first seal ring 33 is arranged on the second step 322. The second step 322 is closer to the center of the hydraulic seat 32, based on the center of the hydraulic seat 32.

The first seal ring 33 includes a bottom 331, an inner ring 332 extending upward from an inner edge of the bottom 331, and an outer ring 333 extending upward from an outer edge of the bottom 331. There are two U-shaped structures in the sectional view of the entire first seal ring 33.

The transmission assembly 2 comprises a motor 21, a gear 22, an eccentric wheel 23 and a swing arm 24, wherein the gear 22 is sleeved on an output shaft of the motor 21, the gear 22 is meshed with the eccentric wheel 23, one end of the swing arm 24 is sleeved on the eccentric wheel 23, and the other end of the swing arm 24 is in contact with the plunger rod 31. A limiting groove 26 is formed in the swing arm 24, an eccentric round table 28 is arranged on the eccentric wheel 23, the eccentric round table 28 is arranged in the limiting groove 26, and a gear shaft 27 is arranged in the eccentric round table 28. When in use, the rotation of the motor 21 drives the rotation of the gear 22, and further drives the eccentric wheel 23 to rotate, and then the rotation is converted into the linear reciprocating motion of the swing arm 24.

One end of plunger rod 31 near swing arm 24 is provided with a spherical structure 312, and the other end of swing arm 24 is formed with a receiving cavity 25 in which spherical structure 312 can rotate, and the structure can be centered freely, so that shaking of plunger rod 31 can be prevented.

The cylinder structure 4 includes a pump body 41, a water inlet adapter 42, a nozzle holder 43, a locking holder 44 and a nozzle 45, wherein the water inlet end of the pump body 41 is connected to the water inlet adapter 42, and the water outlet end of the pump body 41 is connected to the nozzle 45 sequentially through the nozzle holder 43 and the locking holder 44. The water intake adapter 42 is connected to a water supply and movement of the piston rod 31 causes water entering from the water intake adapter 42 to be continuously pumped out of the nozzle 45.

A second sealing ring 46 and a first one-way valve 47 are arranged between the water inlet adapter 42 and the water inlet end of the pump body 41.

A third sealing ring 48 and a second one-way valve 49 are arranged between the water outlet end of the pump body 41 and the nozzle seat 43, a fourth sealing ring 410 is arranged between the nozzle seat 43 and the locking seat 44, and a snap spring 411 and a fifth sealing ring 412 are arranged between the locking seat 44 and the nozzle 45. The first check valve 47 and the second check valve 49 can realize the functions of sealing and enabling water to flow in one direction only and not flow back.

The water outlet end of the pump body 41 is provided with a concave part 413, and the lower part of the nozzle seat 43 is provided with a convex column 431 matched with the concave part 413;

a limiting column 432 is arranged at the upper part of the nozzle seat 43, and a limiting hole matched with the limiting column 432 is formed in the locking seat 44;

in the bottom embedding locking seat 44 of nozzle 45, bolted connection between locking seat 44 and the nozzle holder 43, specifically, be provided with first screw hole 433 on the nozzle holder 43, be provided with second screw hole 441 on the locking seat 44, first screw 414 passes second screw hole 441 and first screw hole 433 in proper order and realizes locking seat 44 and nozzle holder 43's fixed.

The water outlet end of the pump body 41 can achieve good sealing performance through the connection of the structure.

The utility model discloses in, shell 1 includes casing 11 and casing 12 down, goes up casing 11 and casing 12 down and passes through second screw 13 and connect. The water inlet joint 42 is connected to the pump body 41 by a third screw 415. The pump body 41 and the nozzle holder 43 are connected by a fourth screw 416.

The utility model has the advantages of as follows: the utility model discloses in adopt plunger rod 31 to take current piston structure, and the diameter of plunger rod 31 is less than cylinder body structure 4's internal diameter to there is the clearance between plunger rod 31 and the cylinder body structure 4, the utility model discloses not only can solve the problem of leaking effectively, can reach required water pressure moreover equally, can be higher even. Meanwhile, the structure is simple and easy to realize.

During reciprocation of plunger rod 31, a volume change is created in body 41, which creates a vacuum in body 41 when plunger rod 31 is moved downwardly (toward drive assembly 2) to pump water in from water inlet adapter 42, and when plunger rod 31 is moved upwardly (away from drive assembly 2) to pump water out from nozzle 45 for use in dental washing and the like.

Appropriate variations and modifications of the embodiments described above will occur to those skilled in the art, in light of the above disclosure and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and modifications and variations of the present invention are also intended to fall within the scope of the appended claims. Furthermore, although specific terms are employed herein, such terms are used for convenience of description and are not to be construed as limiting the invention in any way.

Claims

1. The utility model provides a water pumping device for tooth flushing device which characterized in that: the water pump comprises a shell, a transmission assembly, a plunger rod assembly and a cylinder body structure, wherein the transmission assembly, the plunger rod assembly and the cylinder body structure are arranged in the shell, the plunger rod assembly comprises a plunger rod, a hydraulic seal seat, a first sealing ring and a wear-resistant pressure ring, the cylinder body structure is partially arranged between the plunger rod and the hydraulic seal seat, the first sealing ring is arranged between the hydraulic seal seat and the plunger rod, the wear-resistant pressure ring is arranged between the first sealing ring and the cylinder body structure, and the transmission assembly drives the plunger rod to reciprocate in the cylinder body structure to pump out water.

2. The water pumping device for a dental irrigator according to claim 1, wherein: the diameter of the plunger rod is smaller than the inner diameter of the cylinder structure, so that a gap exists between the plunger rod and the cylinder structure.

3. The water pumping device for a dental irrigator according to claim 2, wherein: the inner surface of the hydraulic seal seat is provided with a first step and a second step, the wear-resistant pressure ring is arranged on the first step, and the first sealing ring is arranged on the second step.

4. The water pumping device for a dental irrigator according to claim 3, wherein: the first seal ring includes a base, an inner ring extending upwardly from an inner edge of the base, and an outer ring extending upwardly from an outer edge of the base.

5. The water pumping device for a dental irrigator according to claim 1, wherein: the transmission assembly comprises a motor, a gear, an eccentric wheel and a swing arm, the gear is sleeved on an output shaft of the motor, the gear is meshed with the eccentric wheel, one end of the swing arm is sleeved on the eccentric wheel, and the other end of the swing arm is in contact with the plunger rod.

6. The water pumping device for a dental irrigator according to claim 5, wherein: one end of the plunger rod, which is close to the swing arm, is provided with a spherical structure, and the other end of the swing arm is provided with an accommodating cavity for the spherical structure to rotate in.

7. The water pumping device for the tooth flusher according to claim 5, wherein: a limiting groove is formed in the swing arm, an eccentric round table is arranged on the eccentric wheel, the eccentric round table is arranged in the limiting groove, and a gear shaft is arranged in the eccentric round table.

8. The water pumping device for a dental irrigator according to claim 1, wherein: the cylinder body structure includes the pump body, the adapter of intaking, nozzle seat, locking seat and nozzle, the end of intaking of the pump body with the adapter of intaking is connected, the play water end of the pump body loops through the nozzle seat with the locking seat with the nozzle is connected.

9. The water pumping device for a dental irrigator according to claim 8, wherein: a second sealing ring and a first one-way valve are arranged between the water inlet adapter and the water inlet end of the pump body;

the water outlet end of the pump body and a third sealing ring and a second one-way valve are arranged between the nozzle seats, the nozzle seats and a fourth sealing ring are arranged between the locking seats, and a clamp spring and a fifth sealing ring are arranged between the locking seats and the nozzles.

10. The water pumping device for a dental irrigator according to claim 8 or 9, wherein: a concave part is arranged at the water outlet end of the pump body, and a convex column matched with the concave part is arranged at the lower part of the nozzle seat;