CN216691433U

CN216691433U - Sealed leak-proof water pump of tooth washing device

Info

Publication number: CN216691433U
Application number: CN202123016720.1U
Authority: CN
Inventors: 郭俊
Original assignee: Dongguan Xinrui Precision Parts Co ltd
Current assignee: Dongguan Xinrui Precision Parts Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-06-07
Anticipated expiration: 2031-12-03

Abstract

The utility model belongs to the technical field of water pumps, and discloses a sealed and leak-proof water pump of a tooth washing device. The water pump of the sealed and leak-proof tooth washing device comprises a water pump shell, a water pump steel bushing and a water inlet connector, wherein the water pump steel bushing is fixedly installed on a pump seat of the water pump shell, the water inlet connector is fixedly installed on a top end connecting seat of the water pump shell through screws, a piston seat is sleeved in the water pump steel bushing, a soft piston is sleeved on a left raised head of the piston seat, a rubber piston is sleeved on the piston seat, and the rubber piston is located between the soft piston and the piston seat. This sealed leak-proof water pump for tooth washing device carries out integral improvement to the seal structure of water pump, compares in traditional seal structure, and this application carries out redesign to the piston, adopts whole sealed, and the piston is glued in the cooperation and carries out the combination seal, under the long-time work, structure non-deformable, sealed effect is excellent, has solved the problem of proposing among the background art.

Description

Sealed leak-proof water pump of tooth washing device

Technical Field

The utility model relates to the technical field of water pumps, in particular to a sealed and leak-proof water pump of a tooth washing device.

Background

The piston type water pump is a core component of the tooth washing device, the stability of the water pump is particularly important in order to ensure the long-term stable operation of equipment, particularly the sealing performance of the water pump, and as a small household appliance, the used water pump is small, and the sealing design is also limited by the volume.

In the prior art, a plastic piston and a plastic pump wall are adopted in the early stage of a water pump, but the water pump is poor in wear resistance and easy to leak, a soft rubber ring is added on the piston, a steel sleeve is added in the pump, particularly, a V-shaped rubber ring is added on the piston, but the V-shaped rubber ring is easy to deform, the working water pressure of the water pump is influenced, the sealing of the water pump is influenced, in addition, the sealing of a water inlet and outlet part adopted by the traditional water pump usually adopts three main flow structures, namely a ball type structure, a sheet type structure and a sheet type and a gap type structure, but the structure has a larger defect essentially, after long-time working, sealing oil flows onto a sealing sheet or a ball for water inlet and outlet along with water, so that the water cannot be sucked or the water yield is small, and therefore, the sealed and leak-proof water washer water pump is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealed and leak-proof water pump of a tooth washing device, which solves the problems in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a sealed leak-proof tooth washing device water pump, includes water pump shell, water pump steel bushing and water supply connector, water pump steel bushing fixed mounting is on the pump seat of water pump shell, and water supply connector passes through screw fixed mounting on the top connecting seat of water pump shell, cup jointed the piston seat in the water pump steel bushing, cup jointed soft piston on the left side plush copper of piston seat, cup jointed gluey piston on the piston seat, and gluey piston is in between soft piston and the piston seat.

The water pump is characterized in that a water outlet connector is connected in an opening in the left end of a water pump shell in a clamping mode, a water inlet hole is formed in the top wall of the water pump shell and in a connecting seat, a sealing plate is arranged in the water pump shell and on the left side of the water inlet hole, a water outlet hole is formed in the middle of the sealing plate, the right end of the water outlet connector is in a horn shape, a sealing ring III is sleeved in a ring groove I in the right end of the outer wall of the water outlet connector and in the water pump shell, a partition plate is arranged in the middle of the water outlet connector, a water drain hole is formed in the bottom of the partition plate, a first positioning seat is arranged at the position, corresponding to the water outlet hole, of the right side of the partition plate, a first spring is sleeved on the first positioning seat, a first water sealing plug is sleeved at the right end of the first water sealing plug, and the right end of the first water sealing plug is in a round platform shape and abuts against the water outlet hole.

Preferably, a first sealing ring is sleeved in the annular groove on the right side of the outer wall of the soft piston, and the left end edge of the rubber piston extends between the water pump steel sleeve and the soft piston.

Preferably, the kneck of water supply connector has still cup jointed the sealing washer two-purpose and is used for sealing, and the right side that the water pump shell roof just is in the inlet opening is provided with positioning seat two, has cup jointed spring two on the positioning seat two, and the top of spring two has cup jointed water seal plug two, and the top of water seal plug two is the round platform form and pushes up the delivery port at water supply connector, and movable seal structure compares in several kinds of current structural scheme, and the reliability is higher, and practical life is long.

Preferably, the left end of the outer wall of the water outlet joint is provided with a second annular groove, and a fourth sealing ring is sleeved in the second annular groove.

Preferably, the soft piston and the piston seat are respectively contacted with the left wall and the right wall of the rubber piston, the right end of the soft piston is positioned in the rubber piston, and the left end of the rubber piston is coated with the soft piston, so that the sealing effect is enhanced in the reciprocating motion process of the soft piston.

Preferably, the right-hand member of piston seat has been seted up the joint groove and has been regarded as the external tapping, and the diameter of soft piston increases progressively from right to left, and the left end and the contact of water pump steel bushing inner wall of soft piston lateral wall are made integral sealing, compare in prior art, under the work for a long time, and structure non-deformable, sealed effect is excellent.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. this sealed leak-proof water pump for tooth washing device carries out integral improvement to the seal structure of water pump, compares in traditional seal structure, and this application carries out redesign to the piston, adopts whole sealed, and the piston is glued in the cooperation and carries out the combination seal, under the long-time work, structure non-deformable, sealed effect is excellent, has solved the problem of proposing among the background art.

2. This sealed leak-proof water pump for tooth washing machine, this application adopt the combined structure of spring and water sealing plug, replace traditional ball formula, piece formula and piece formula + slot formula, under the long-term operation, this structural reliability is strong, and the activity provides the talk back by the spring, receives the sealed oil influence to see a little, the superior performance.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention.

In the figure: 1 piston seat, 2 rubber pistons, 3 sealing rings I, 4 soft pistons, 5 water pump steel sleeves, 6 water pump shells, 7 sealing water plugs I, 8 springs I, 9 sealing rings II, 10 water inlet connectors, 11 screws, 12 sealing rings III, 13 water outlet connectors, 14 sealing rings IV, 15 sealing water plugs II, 16 springs II, 17 water inlet holes, 18 sealing plates, 19 water outlet holes, 20 partition plates and 21 water outlet holes.

Detailed Description

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a sealed leak-proof tooth washing device water pump, including water pump shell 6, water pump steel bushing 5 and water supply connector 10, 5 fixed mounting of water pump steel bushing are on the pump seat of water pump shell 6, water supply connector 10 passes through screw 11 fixed mounting on the top connecting seat of water pump shell 6, cup jointed piston seat 1 in the water pump steel bushing 5, cup jointed soft piston 4 on the left side plush copper of piston seat 1, cup jointed gluey piston 2 on the piston seat 1, and gluey piston 2 is in between soft piston 4 and the piston seat 1.

The left end opening of the water pump shell 6 is connected with a water outlet connector 13 in a clamping mode, a water inlet hole 17 is formed in the top wall of the water pump shell 6 and located in the connecting seat, a sealing plate 18 is arranged in the water pump shell 6 and located on the left side of the water inlet hole 17, a water outlet hole 19 is formed in the middle of the sealing plate 18, the right end of the water outlet connector 13 is in contact with the sealing plate 18, the water outlet connector 13 is horn-shaped, a sealing ring III 12 is sleeved in a ring groove I in the water pump shell 6 at the right end of the outer wall of the water outlet connector 13, a partition plate 20 is arranged in the middle of the water outlet connector 13, a water outlet hole 21 is formed in the bottom of the partition plate 20, a first positioning seat is arranged on the right side of the partition plate 20 corresponding to the position of the water outlet hole 19, a first spring 8 is sleeved on the first positioning seat, a first water sealing plug 7 is sleeved on the right end of the first spring 8, and the right end of the first water sealing plug 7 is in a round table shape and abuts against the water outlet hole 19.

A first sealing ring 3 is sleeved in a ring groove on the right side of the outer wall of the soft piston 4, and the left end edge of the rubber piston 2 extends between the water pump steel sleeve 5 and the soft piston 4.

The kneck of water supply connector 10 has still cup jointed sealing washer two 9 and is used for sealing, and 6 roofs of water pump shell and the right side that is in inlet opening 17 are provided with positioning seat two, have cup jointed spring two 16 on the positioning seat two, and the top of spring two 16 has cup jointed water seal stopper two 15, and the top of water seal stopper two 15 is the round platform form and pushes up the delivery port at water supply connector 10, and movable seal structure compares in several kinds of current structural scheme, and the reliability is higher, and practical life is long.

The left end of the outer wall of the water outlet joint 13 is provided with a second annular groove, and a fourth sealing ring 14 is sleeved in the second annular groove.

The soft piston 4 and the piston seat 1 are respectively contacted with the left wall and the right wall of the rubber piston 2, the right end of the soft piston 4 is positioned in the rubber piston 2, the left end of the rubber piston 2 is coated with the soft piston 4, and the sealing effect is enhanced in the reciprocating motion process of the soft piston 4.

The right-hand member of piston seat 1 has been seted up the joint groove and has been regarded as the external tapping, and the diameter of soft piston 4 increases progressively from right to left, and the left end of the 4 lateral walls of soft piston and the contact of 5 inner walls of water pump steel bushing are made integral sealed, compare in prior art, under the work for a long time, structure non-deformable, sealed effect is excellent.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealed leak-proof water pump of water toothpick, includes water pump shell (6), water pump steel bushing (5) and water supply connector (10), water pump steel bushing (5) fixed mounting is on the pump seat of water pump shell (6), and water supply connector (10) are through screw (11) fixed mounting on the top connecting seat of water pump shell (6), its characterized in that: a piston seat (1) is sleeved in the water pump steel sleeve (5), a soft piston (4) is sleeved on a left raised head of the piston seat (1), a rubber piston (2) is sleeved on the piston seat (1), and the rubber piston (2) is positioned between the soft piston (4) and the piston seat (1);

a water outlet joint (13) is clamped in an opening at the left end of the water pump shell (6), a water inlet hole (17) is formed in the top wall of the water pump shell (6) and positioned in the connecting seat, a sealing plate (18) is arranged in the water pump shell (6) and positioned at the left side of the water inlet hole (17), a water outlet hole (19) is formed in the middle of the sealing plate (18), the right end of the water outlet joint (13) is in contact with the sealing plate (18), the water outlet joint (13) is horn-shaped, a sealing ring III (12) is sleeved in a ring groove I at the right end of the outer wall of the water outlet joint (13) and positioned in the water pump shell (6), a partition plate (20) is arranged in the middle of the water outlet joint (13), a water drainage hole (21) is formed in the bottom of the partition plate (20), a positioning seat I is arranged at the position, corresponding to the water outlet hole (19), a spring I (8) is sleeved on the positioning seat I, a water sealing plug I (7) is sleeved at the right end of the spring I (8), the right end of the water sealing plug I (7) is in a circular truncated cone shape and is propped against the water outlet hole (19).

2. The sealed, leak-proof water pump according to claim 1, wherein: sealing washer (3) have been cup jointed in the annular on soft piston (4) outer wall right side, the left end edge of gluing piston (2) extends between to water pump steel bushing (5) and soft piston (4).

3. The sealed, leak-proof water pump according to claim 1, wherein: the connector of the water inlet connector (10) is further sleeved with a second sealing ring (9) for sealing, a second positioning seat is arranged on the top wall of the water pump shell (6) and on the right side of the water inlet hole (17), a second spring (16) is sleeved on the second positioning seat, a second water sealing plug (15) is sleeved on the top end of the second spring (16), and the top end of the second water sealing plug (15) is in a round table shape and abuts against the water outlet of the water inlet connector (10).

4. The sealed, leak-proof water pump according to claim 1, wherein: and the left end of the outer wall of the water outlet joint (13) is provided with a second annular groove, and a fourth sealing ring (14) is sleeved in the second annular groove.

5. The sealed, leak-proof water pump according to claim 1, wherein: the soft piston (4) and the piston seat (1) are respectively contacted with the left wall and the right wall of the rubber piston (2), and the right end of the soft piston (4) is positioned in the rubber piston (2).

6. The sealed, leak-proof water pump according to claim 1, wherein: the right end of the piston seat (1) is provided with a clamping groove as an external interface, the diameter of the soft piston (4) is gradually increased from right to left, and the left end of the side wall of the soft piston (4) is in contact with the inner wall of the water pump steel sleeve (5).