CN217841983U

CN217841983U - Water pumping structure for tooth flushing device

Info

Publication number: CN217841983U
Application number: CN202220101561.0U
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 structure, including swing arm, plunger pole subassembly and the pump body, the plunger pole subassembly includes that plunger pole, hydraulic pressure seal seat, first sealing washer and wear-resisting pressure ring, pump body part set up in the plunger pole with hydraulic pressure seals between the seat, first sealing washer set up in hydraulic pressure seal seat with between the plunger pole, wear-resisting pressure ring set up in first sealing washer with between the pump body, the one end of plunger pole is located in the swing arm, the other end of plunger pole can reciprocating motion in the pump body pumps water. The utility model discloses simple structure, the leakproofness is good, and 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 do not have 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 structure 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 structure 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 remove residues in gaps between the teeth, especially more and more people do orthodontic shaping at present, the residues in shaping 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 electric tooth rinsers are popular with the public more and more, and the electric tooth rinsers mainly use high-speed water flow to rinse the teeth to achieve the effect of cleaning 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 worm rotates to further drive the gear (or the worm wheel) and the eccentric wheel to rotate, 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, the inventor of the present application has made diligent studies and researches at night, and has developed a water pumping structure for a dental irrigator, which skillfully solves the problem of water leakage by adopting a smart structural design and replacing the existing piston pump structure with a plunger pump structure, 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: to the not enough of prior art, and provide a pump water structure for tooth flushing device, 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, the life of whole pump water installation 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 water pumping structure for the tooth flushing device comprises a swing arm, a plunger rod assembly and a pump body, wherein the plunger rod assembly comprises a plunger rod, a hydraulic seal seat, a first sealing ring and a wear-resistant pressure ring, the pump body 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 pump body, one end of the plunger rod is located in the swing arm, and the other end of the plunger rod can reciprocate in the pump body to pump water out.

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

As an improvement of the water pumping structure for the tooth flushing device of the present invention, 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, the first sealing ring is arranged on the second step.

As an improvement of the water pumping structure for the tooth flushing device of the present invention, the first sealing ring comprises a bottom, an inner ring extending upward from the inner edge of the bottom, and an outer ring extending upward from the outer edge of the bottom.

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

As an improvement of the water pumping structure for the tooth flushing device, a limit groove is formed on the swing arm.

As an improvement of the water pumping structure for the tooth flushing device, the water inlet end of the pump body is connected with the water inlet adapter, and the water outlet end of the pump body is connected with the nozzle seat.

As an improvement of the water pumping structure for the tooth flushing device, the water inlet adapter and the water inlet end of the pump body are provided with a second sealing ring and a first one-way valve therebetween.

As an improvement of the water pumping structure for the tooth flushing device, the water outlet end of the pump body and the nozzle seat are provided with a third sealing ring and a second one-way valve therebetween.

Compared with the prior art, the utility model has the advantages of as follows: the utility model discloses a swing arm, plunger pole subassembly and the pump body, the plunger pole subassembly includes that plunger pole, hydraulic pressure seal seat, first sealing washer and wear-resisting pressure ring, and overall structure is simple, and is with low costs, simple manufacture, and the pumping is effectual moreover, and 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 pump body structure's internal diameter to there is the clearance between plunger rod and the pump 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 pump body 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 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, which creates a vacuum in the pump body when the plunger rod is moved downwardly (toward the drive assembly) to pump water in from the water intake adapter, and when the plunger rod is moved upwardly (away from the drive assembly) to pump water out of the nozzle 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 an exploded schematic view of the present invention.

Fig. 2 is a schematic perspective view of the present invention.

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

Fig. 4 is a cross-sectional view of section C-C in fig. 3.

Fig. 5 is a schematic structural diagram of the first seal ring of the present invention.

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 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 upper, lower, left, right, front, and rear … …) 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 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 5, the utility model provides a towards tooth ware with pumping structure, including swing arm 1, plunger rod assembly 2 and the pump body 3, plunger rod assembly 2 includes plunger rod 21, hydraulic pressure seals a seat 22, first sealing washer 23 and wear-resisting pressure ring 24, the pump body 3 part sets up between plunger rod 2 and hydraulic pressure seal a seat 22, first sealing washer 23 sets up between hydraulic pressure seal a seat 22 and plunger rod 21, wear-resisting pressure ring 24 sets up between first sealing washer 23 and the pump body 3, the one end of plunger rod 21 is located swing arm 1, the other end of plunger rod 21 can be in pump body 3 reciprocating motion, pump water.

Wherein the first sealing ring 23 and the wear-resistant pressure ring 24 are stationary. The wear-resistant pressure ring 24 plays a role of supporting, guiding and bearing water pressure, and the first sealing ring 23 plays a role of sealing.

The diameter of the plunger rod 21 is smaller than the inner diameter of the pump body 3 so that there is a gap between the plunger rod 21 and the pump body 3. 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 21 does not contact the pump body 3, 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, the plunger rod 21 reciprocates in the pump body 3 to pump water out, although the amplitude of each motion of the plunger rod 21 is not large, the volume change of the water in the pump body 3 is small (the water volume pumped out each time is small), the water can be pumped out rapidly due to high reciprocating frequency, and therefore, high water pressure can be achieved even higher than that achieved by a piston structure.

The inside cavity 211 that opens to the pump body 3 that is seted up of plunger rod 21, its essence is the fabrication hole, and whole plunger rod subassembly 2 simple structure is with low costs, simple manufacture, and the pump water is effectual moreover, and the leakproofness is good, long service life.

The inner surface of the hydraulic seal seat 22 is provided with a first step 221 and a second step 222, the wear-resistant pressure ring 24 is arranged on the first step 221, and the first sealing ring 23 is arranged on the second step 222. The second step 222 is closer to the center of the hydraulic seal seat 22, based on the center of the hydraulic seal seat 22.

First seal ring 23 includes a base 231, an inner ring 232 extending upwardly from an inner edge of base 231, and an outer ring 233 extending upwardly from an outer edge of base 231. The whole first sealing ring 23 has two U-shaped structures in the sectional view.

The swing arm 1 is formed with a stopper groove 11. In use, rotation of the drive assembly is translated into linear reciprocating motion of swing arm 24.

The end of the plunger rod 21 close to the swing arm 1 is provided with a spherical structure 212, and one end of the swing arm 1 is provided with a containing cavity 12 for the spherical structure 212 to rotate in, and the spherical structure can be freely centered, so that the shaking of the plunger rod 21 can be prevented.

The end of intaking of the pump body 3 is connected with water inlet adapter 4, and the play water end of the pump body 3 is connected with nozzle holder 5. The intake adapter 4 is connected to a water source and the movement of the piston rod 21 enables water entering from the intake adapter 4 to be continuously pumped out from the direction of the nozzle holder 5.

A second sealing ring 6 and a first one-way valve 7 are arranged between the water inlet end of the water inlet adapter 4 and the water inlet end of the pump body 3.

A third sealing ring 8 and a second one-way valve 9 are arranged between the water outlet end of the pump body 3 and the nozzle seat 5. The first one-way valve 7 and the second one-way valve 9 can realize the functions of sealing and enabling water to flow in one direction only and not flow back.

The water inlet adapter 4 is connected with the pump body 3 through a third screw 10. The pump body 3 and the nozzle holder 5 are connected by a fourth screw 20.

The utility model has the advantages of as follows: the utility model discloses in adopt plunger rod 21 to take current piston structure, and plunger rod 21's diameter is less than the internal diameter of the pump body 3 to there is the clearance between plunger rod 21 and the pump body structure 3, 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 the reciprocating movement of the plunger rod 21, a volume change is caused in the pump body 3, when the plunger rod 21 moves downwards, a vacuum is formed in the pump body 3 to pump water in from the water inlet adapter 4, and when the plunger rod 21 moves upwards, water can be pumped out from the direction of the nozzle seat 5 to realize a water pumping effect for tooth washing and the like.

Appropriate changes and modifications to the embodiments described above will become apparent to those skilled in the art from the disclosure and teachings of the foregoing description. 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, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The utility model provides a pump water structure for tooth flushing device which characterized in that: the plunger rod assembly comprises a plunger rod, a hydraulic sealing seat, a first sealing ring and a wear-resistant pressure ring, the pump body is partially arranged between the plunger rod and the hydraulic sealing seat, the first sealing ring is arranged between the hydraulic sealing seat and the plunger rod, the wear-resistant pressure ring is arranged between the first sealing ring and the pump body, one end of the plunger rod is located in the swing arm, and the other end of the plunger rod can reciprocate in the pump body to pump water out.

2. The water pumping structure for a dental irrigator according to claim 1, wherein: the plunger rod has a diameter smaller than an inner diameter of the pump body such that a gap exists between the plunger rod and the pump body.

3. The water pumping structure 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 structure 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 structure for a dental irrigator according to claim 1, wherein: one end of the plunger rod, which is close to the swing arm, is provided with a spherical structure, and an accommodating cavity for the spherical structure to rotate in is formed on the swing arm.

6. The water pumping structure for a dental irrigator according to claim 1, wherein: a limiting groove is formed in the swing arm.

7. The water pumping structure for a dental irrigator according to claim 1, wherein: the end of intaking of the pump body is connected with the adapter that intakes, the play water end and the nozzle holder of the pump body are connected.

8. The water pumping structure for a dental irrigator according to claim 7, wherein: the adapter of intaking with be provided with second sealing washer and first check valve between the end of intaking of the pump body.

9. The water pumping structure for a dental irrigator according to claim 7, wherein: and a third sealing ring and a second one-way valve are arranged between the water outlet end of the pump body and the nozzle seat.