CN214998175U

CN214998175U - Piston pump of tooth flushing device

Info

Publication number: CN214998175U
Application number: CN202121462795.XU
Authority: CN
Inventors: 马阳升; 邓旭
Original assignee: Guangdong Chopin Technology Co ltd
Current assignee: Guangdong Chopin Technology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-03
Anticipated expiration: 2031-06-29

Abstract

The utility model relates to a piston pump of a tooth flushing device, which belongs to the field of tooth flushing devices and comprises a three-hole piston cylinder, a pushing plug and a sealing ring, wherein a water pumping cavity and a piston movable cavity are arranged in the three-hole piston cylinder, the water pumping cavity is communicated with the piston movable cavity, and the sealing ring is connected inside the pushing plug in a sliding way; the promotion stopper includes back taper portion and connecting portion, and the minor diameter end fixed connection of connecting portion and back taper portion, the big diameter end and the piston activity chamber looks adaptation of back taper portion, and the sealing washer setting is between connecting portion and piston activity chamber. The problem of current product rubber piston slide in three hole piston barrels exist when friction is serious is solved to the result of use of reinforcing water pump.

Description

Piston pump of tooth flushing device

Technical Field

The utility model relates to a field of tooth flushing device, in particular to a piston pump of tooth flushing device.

Background

The Chinese utility model patent with publication number "CN 202020097113.9" published on 09.10.2020 discloses a water pump for a tooth-rinsing device. The utility model discloses an in this china utility model disclose "piston mechanism includes push rod sleeve, push rod, piston mounting and rubber piston, the push rod sleeve has been cup jointed on the eccentric sleeve, be equipped with the push rod on the push rod sleeve, the push rod other end articulates there is the piston mounting, be equipped with rubber piston on the piston mounting, rubber piston stretches into in the three hole piston barrels. "wherein, when the rubber piston slided in three hole piston barrels, because the friction was serious, and then was unfavorable for the slip of rubber piston, and then influenced the water spray effect of tooth washing ware.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a piston pump of tooth ware has solved the serious problem of friction that exists when current product rubber piston slides in three hole piston cylinders to the use efficiency of reinforcing water pump.

The technical scheme of the utility model is realized like this:

the utility model provides a piston pump of tooth flushing device, including three hole piston cylinders, propelling plug and sealing washer, be equipped with water pumping chamber and piston activity chamber in the three hole piston cylinders, water pumping chamber with the piston activity chamber is linked together, the propelling plug sliding connection is in inside the piston activity chamber; the promotion stopper includes back taper portion and connecting portion, connecting portion with the minor diameter end fixed connection of back taper portion, the major diameter end of back taper portion with piston activity chamber looks adaptation, just the sealing washer sets up connecting portion with between the piston activity chamber.

The utility model discloses preferred technical scheme lies in, still includes wear-resisting sleeve, wear-resisting sleeve sets up on the inside wall in piston activity chamber.

The utility model has the preferable technical proposal that the utility model also comprises a one-way valve plate and a pipe connector connected with the water pipe; the three-hole piston cylinder is further provided with a water inlet end, the water inlet end is communicated with the water pumping cavity through a water inlet through hole, the one-way valve plate is arranged between the water inlet through hole and the pipe connector, and the pipe connector and the water inlet end are detachably connected.

The utility model discloses preferred technical scheme lies in, the end of intaking is equipped with the union coupling groove and opens the valve groove, it sets up to open the valve groove the tank bottom in union coupling groove, the check valve block nestification is in the tank bottom in union coupling groove, just the valve of check valve block is located one side of opening the valve groove.

The utility model discloses preferred technical scheme lies in, the pipe joint groove the big or small size with the big or small size looks adaptation of pipe joint spare, the pipe joint spare with the cooperation is pegged graft to the pipe joint groove.

The utility model discloses preferred technical scheme lies in, still includes water connectors, water connectors with three hole piston cylinder plug-in connection, just water connectors with the chamber of drawing water is linked together.

The utility model discloses preferred technical scheme lies in, still includes piston head, piston rod and drive assembly, the piston rod with drive assembly is connected, piston head fixed connection be in on the tip of piston rod, just connecting portion with piston head fixed connection.

The utility model discloses preferred technical scheme lies in, drive assembly includes eccentric gear, driving gear and motor, eccentric gear with the driving gear meshes mutually, the driving gear with the drive shaft fixed connection of motor, eccentric gear's eccentric axle head with the cooperation of piston rod hole axle.

The utility model has the preferable technical proposal that the utility model also comprises a pump body; the three-hole piston cylinder, the piston head, the piston rod and the driving assembly are all fixedly connected in the pump body.

The utility model has the advantages that: the utility model provides a piston pump of tooth flushing device, which comprises a three-hole piston cylinder and a pushing plug connected with the piston head of a piston rod, wherein the pushing plug is connected inside a piston movable cavity of the three-hole piston cylinder in a sliding way, furthermore, the pushing plug comprises an inverted cone part and a connecting part, the large diameter end of the inverted cone part is matched with the piston movable cavity, thereby ensuring the sealing property between the pushing plug and the three-hole piston cylinder, the connecting part is fixedly connected with the small diameter end of the inverted cone part, thereby greatly reducing the contact surface between the pushing plug and the piston movable cavity, further reducing the friction between the pushing plug and the piston movable cavity, improving the smooth degree of the sliding of the pushing plug in the piston movable cavity, solving the problem of serious friction when the rubber piston slides in the three-hole piston cylinder in the prior product, and further ensuring the sealing property of the pushing plug, a sealing ring is arranged between the connecting part and the piston movable cavity, the sealing effect of the pushing plug and the three-hole piston cylinder is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a partially assembled schematic view of a three-hole piston cylinder according to the present invention;

FIG. 4 is an installation diagram of the one-way valve plate, the push plug and the three-hole piston cylinder in the present invention;

FIG. 5 is a schematic structural view of a check valve plate of the present invention;

fig. 6 is a schematic structural view of the push plug of the present invention.

The reference numerals in the figures are explained below:

1. a three-hole piston cylinder; 2. pushing the plug; 21. an inverted cone-shaped portion; 211. a small diameter end; 212. a large diameter end; 22. a connecting portion; 3. a seal ring; 41. a water pumping cavity; 42. a piston active cavity; 43. a water inlet end; 431. a pipe connection groove; 432. opening a valve groove; 44. a water inlet through hole; 5. a wear sleeve; 6. a one-way valve plate; 61. a valve; 7. a pipe connector; 8. a water outlet joint; 91. a piston head; 92. a piston rod; 93. an eccentric gear; 931. an eccentric shaft end; 94. a driving gear; 95. a motor; 10. a pump body; 101. an upper cover body; 102. a lower cover body.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 to 6 show a specific embodiment of a piston pump of a tooth rinsing device provided by the present invention, which includes a three-hole piston cylinder 1, a pushing plug 2 and a sealing ring 3, wherein a pumping cavity 41 and a piston moving cavity 42 are disposed in the three-hole piston cylinder 1, the pumping cavity 41 is communicated with the piston moving cavity 42, and the pushing plug 2 is slidably connected inside the piston moving cavity 42, so that the total space inside the pumping cavity 41 and the piston moving cavity 42 is changed by sliding the pushing plug 2, and further the pressure inside the pumping cavity 41 and the piston moving cavity 42 is changed, thereby achieving the purpose of pumping water and spraying water; the pushing plug 2 comprises an inverted conical part 21 and a connecting part 22, the connecting part 22 is fixedly connected with the small-diameter end 211 of the inverted conical part 21, the large-diameter end 212 of the inverted conical part 21 is matched with the piston movable cavity 42, and the sealing ring 3 is arranged between the connecting part 22 and the piston movable cavity 42. Specifically, the size of the major diameter end 212 of the inverted cone-shaped portion 21 is matched with the inner diameter of the piston movable cavity 42, so that the sealing performance of the push plug 2 in the piston movable cavity 42 is guaranteed, the connecting portion 22 is fixedly connected with the minor diameter end 211 of the inverted cone-shaped portion 21, the contact surface of the push plug 2 and the piston movable cavity 42 is greatly reduced, the friction between the push plug 2 and the piston movable cavity 42 is reduced, and the smoothness of the push plug 2 sliding in the piston movable cavity 42 is improved. Further, as one preferable scheme, the sealing ring 3 is integrally formed with the connecting portion 22 of the pushing plug 2, so as to further ensure the sealing performance between the pushing plug 2 and the piston movable cavity 42.

Preferably, as shown in fig. 3 to 4, the piston pump of the tooth flusher further comprises a wear-resistant sleeve 5, and the wear-resistant sleeve 5 is arranged on the inner side wall of the piston moving cavity 42. Specifically, wear-resisting metal materials such as 316 stainless steel are preferred to wear-resisting sleeve 5, and preferably, wear-resisting sleeve 5 and three hole piston cylinder 1 injection moulding guarantee through wear-resisting sleeve 5 that piston head 91 and push plug 2 reduce the wearing and tearing to three hole piston cylinder 1 itself in the long-term frequent repetitive motion process, and then guarantee the leakproofness of three hole piston cylinder 1 long-time uses.

Preferably, as shown in fig. 4, the piston pump of the tooth flusher further comprises a one-way valve plate 6 and a pipe connector 7 connected with the water pipe; the three-hole piston cylinder 1 is also provided with a water inlet end 43, the water inlet end 43 is communicated with the water pumping cavity 41 through a water inlet through hole 44, the one-way valve plate 6 is arranged between the water inlet through hole 44 and the pipe connector 7, and the pipe connector 7 is detachably connected with the water inlet end 43. The one-way valve plate 6 is arranged between the water inlet through hole 44 and the pipe connector 7, so that the purposes of one-way water source input and water source backflow prevention are achieved.

Preferably, as shown in fig. 3 to 5, the water inlet end 43 is provided with a pipe connecting groove 431 and a valve opening groove 432, the valve opening groove 432 is provided at the bottom of the pipe connecting groove 431, the check valve plate 6 is nested at the bottom of the pipe connecting groove 431, and the valve 61 of the check valve plate 6 is located at one side of the valve opening groove 432. Specifically, when the push plug 2 moves in the opposite direction of the pumping chamber 41, so that a negative pressure is formed inside the pumping chamber 41, the valve 61 of the check valve plate 6 deforms to one side of the pumping chamber 41, further, an opening valve groove 432 is provided between the pipe connecting groove 431 and the pumping chamber 41, and the valve 61 is located at one side of the opening valve groove 432, so that the valve 61 deforms into the opening valve groove 432, so that the water outlet of the pipe connecting member 7 is communicated with the pumping chamber 41, and water flows through the check valve plate 6 along the water pipe and enters the pumping chamber 41. When the pushing plug 2 moves towards the direction of the pumping cavity 41, and positive pressure is formed inside the pumping cavity 41, the valve 61 of the one-way valve sheet 6 blocks the water outlet of the pipe connector 7, so that water cannot flow back into the water pipe and is directionally sprayed out from the water outlet connector 8. Thereby realizing the purpose of one-way drainage through the one-way valve plate 6 and avoiding the problem of water backflow. Replace the structure in the business turn over water hole of traditional valve block of preventing flowing backwards, solve traditional valve block of preventing flowing backwards and produce ruptured problem easily because of frequently opening and shutting, realize life cycle length, more durable purpose. As a further preferred option, the size of the pipe connecting groove 431 is adapted to the size of the pipe connecting member 7, and the pipe connecting member 7 is in a plug-in fit with the pipe connecting groove 431.

Preferably, as shown in fig. 2 to 3, the piston pump of the tooth flusher further comprises a water outlet connector 8, the water outlet connector 8 is connected with the three-hole piston cylinder 1 in an inserted manner, and the water outlet connector 8 is communicated with the water pumping cavity 41. Specifically, the water outlet joint 8 is connected with a nozzle of the tooth flushing device, so that water in the water pumping cavity 41 enters the nozzle through the water outlet joint 8, and the purpose of punching the oral cavity is further achieved.

Preferably, as shown in fig. 2 to 3, the piston pump of the tooth-rinsing device further includes a piston head 91, a piston rod 92 and a driving assembly, the piston rod 92 is connected with the driving assembly, the piston head 91 is fixedly connected to an end of the piston rod 92, and the connecting portion 22 is fixedly connected with the piston head 91. As a specific scheme, the driving assembly includes an eccentric gear 93, a driving gear 94 and a motor 95, the eccentric gear 93 is engaged with the driving gear 94, the driving gear 94 is fixedly connected with a driving shaft of the motor 95, and an eccentric shaft end 931 of the eccentric gear 93 is axially matched with a hole of the piston rod 92. Specifically, the motor 95 provides a power source to drive the driving gear 94 to rotate, so as to drive the eccentric gear 93 to rotate in a gear meshing manner, and the piston head 91 and the pushing plug 2 connected with the piston head 91 slide in the piston movable cavity 42 through the force transmission of the piston rod 92 in combination with the eccentricity formed by the structure of the eccentric shaft end 931 of the eccentric gear 93, so as to achieve the purposes of pumping water and spraying water.

As a specific scheme, as shown in fig. 1 and fig. 2, the piston pump of the tooth flusher further comprises a pump body 10; the three-hole piston cylinder 1, the piston head 91, the piston rod 92 and the driving assembly are all fixedly connected in the pump body 10. Specifically, the pump body 10 is composed of an upper cover 101 and a lower cover 102, and the upper cover 101 and the lower cover 102 are bolted together. And further, the three-hole piston cylinder 1, the piston head 91, the piston rod 92, the driving assembly and other parts are convenient to assemble in the pump body 10. Wherein, the pipe connector 7 connected with the three-hole piston cylinder 1 passes through the upper cover body 101 and is connected with the water pipe, and then the water source is conveyed to the three-hole piston cylinder 1 in the pump body 10 through the water pipe, thereby realizing the purpose of spraying water to flush teeth of the tooth flusher.

Synthesize above-mentioned piston pump of towards tooth ware's beneficial effect and lie in:

the utility model provides a piston pump of tooth flushing device, which comprises a three-hole piston cylinder and a pushing plug connected with the piston head of a piston rod, wherein the pushing plug is connected inside a piston movable cavity of the three-hole piston cylinder in a sliding way, furthermore, the pushing plug comprises an inverted cone part and a connecting part, the large diameter end of the inverted cone part is matched with the piston movable cavity, thereby ensuring the sealing property between the pushing plug and the three-hole piston cylinder, the connecting part is fixedly connected with the small diameter end of the inverted cone part, thereby greatly reducing the contact surface between the pushing plug and the piston movable cavity, further reducing the friction between the pushing plug and the piston movable cavity, improving the smooth degree of the sliding of the pushing plug in the piston movable cavity, solving the problem of serious friction when the rubber piston slides in the three-hole piston cylinder in the prior product, and further ensuring the sealing property of the pushing plug, a sealing ring is arranged between the connecting part and the piston movable cavity, the sealing effect of the pushing plug and the three-hole piston cylinder is ensured.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And any obvious modifications, equivalents, improvements and the like which are obvious from this disclosure are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a piston pump of tooth flushing device which characterized in that:

the three-hole piston cylinder comprises a three-hole piston cylinder (1), a pushing plug (2) and a sealing ring (3), wherein a water pumping cavity (41) and a piston movable cavity (42) are arranged in the three-hole piston cylinder (1), the water pumping cavity (41) is communicated with the piston movable cavity (42), and the pushing plug (2) is connected inside the piston movable cavity (42) in a sliding manner;

the propelling plug (2) comprises an inverted cone-shaped part (21) and a connecting part (22), the connecting part (22) is fixedly connected with a small diameter end (211) of the inverted cone-shaped part (21), a large diameter end (212) of the inverted cone-shaped part (21) is matched with the piston movable cavity (42) in a matching mode, and the sealing ring (3) is arranged between the connecting part (22) and the piston movable cavity (42).

2. The piston pump of a dental irrigator according to claim 1, wherein:

the piston further comprises a wear-resistant sleeve (5), wherein the wear-resistant sleeve (5) is arranged on the inner side wall of the piston movable cavity (42).

3. The piston pump of a dental irrigator according to claim 1, wherein:

the water pipe connector also comprises a one-way valve plate (6) and a pipe connector (7) connected with a water pipe;

three hole piston cylinder (1) still set up into water end (43), it through into water through-hole (44) with water pumping chamber (41) are linked together to advance water end (43), check valve piece (6) set up into water through-hole (44) with between pipe connector (7), pipe connector (7) with it can dismantle the connection to advance water end (43).

4. The piston pump of a dental irrigator according to claim 3, wherein:

the water inlet end (43) is provided with a pipe connecting groove (431) and a valve opening groove (432), the valve opening groove (432) is formed in the groove bottom of the pipe connecting groove (431), the check valve plate (6) is embedded at the groove bottom of the pipe connecting groove (431), and the valve (61) of the check valve plate (6) is located on one side of the valve opening groove (432).

5. The piston pump of the water toothpick according to claim 4 wherein:

the size of the pipe connecting groove (431) is matched with that of the pipe connector (7), and the pipe connector (7) is matched with the pipe connecting groove (431) in an inserted manner.

6. The piston pump of a dental irrigator according to claim 1, wherein:

still include water connectors (8), water connectors (8) with three hole piston cylinder (1) plug connection, just water connectors (8) with it is linked together to take out water cavity (41).

7. The piston pump of a dental irrigator according to claim 1, wherein:

the piston rod (92) is connected with the driving assembly, the piston head (91) is fixedly connected to the end portion of the piston rod (92), and the connecting portion (22) is fixedly connected with the piston head (91).

8. The piston pump of a dental irrigator according to claim 7, wherein:

the driving assembly comprises an eccentric gear (93), a driving gear (94) and a motor (95), the eccentric gear (93) is meshed with the driving gear (94), the driving gear (94) is fixedly connected with a driving shaft of the motor (95), and an eccentric shaft end (931) of the eccentric gear (93) is matched with a hole shaft of the piston rod (92).

9. The piston pump of a dental irrigator according to claim 7, wherein:

also comprises a pump body (10);

the three-hole piston cylinder (1), the piston head (91), the piston rod (92) and the driving assembly are all fixedly connected in the pump body (10).