CN209220546U - A kind of tooth flusher water pump structure - Google Patents

Abstract

A kind of tooth flusher water pump structure, including shell, equipped with the first cavity in shell, the second cavity being connected to the first cavity, the piston moved in the first cavity, with the pitch brace of piston cooperation, with the transmission device of pitch brace transmission connection, with the motor of transmission device cooperation, inlet and outlet are equipped in second cavity, the pitch brace is equipped with a track groove, the shell is equipped with a locating shaft for passing through the track groove, pitch brace is set to move along a straight line in orbit by locating shaft, guarantee the stability of piston operation, make even piston stress, increase its service life.

Description

A kind of tooth flusher water pump structure

Technical field

The utility model relates to tooth flusher field, more specifically a kind of tooth flusher water pump structure.

Background technique

Tooth flusher has as a novel oral cavity cleaner, very widely used, is many in Europe and the U.S., tooth flusher The amenities of family's indispensability.Now, tooth flusher comes into China, many people grown upon it is this not only comfortable but also Effective teeth oral cavity cleaning and health care articles.The effect of it treats gingivitis to periodontal health care, correction deformity, repairs corona is Through being proven in items test.In developed country, tooth flusher just came into market before 40 years, becomes people house The daily necessities of front yard indispensability.

Tooth flusher, to water pressurization is carried out, can produce ultra-fine high-voltage pulse water column, can make this by nozzle by the pump housing Kind high-voltage pulse water column is washed into any position in oral cavity, the tooth not being easily accessible very much including toothbrush, dental floss, toothpick without a hitch Seam and gum depths.The plaque of dental surface can be effectively cleared up, keeps oral cavity clean, makes one to feel more pure and fresh.Clean tongue Tongue fur removes removing abnormal flavor in oral cavity.Strength removes the long-pending swill for being trapped in the teeth crevice that toothbrush and dental floss can not reach and nocuousness is thin Bacterium effectively prevents decayed tooth, gingivitis, calculus dentalis and periodontitis.Massage and stimulation gum, improve blood circulation, alleviate toothache, Inhibit bleeding gums.

A tooth flusher water pump important component internal as it, current water pump structure are drawn using cam driven piston Bar moves in the cavity, but the movement of pitch brace be not it is linear, piston discontinuity can be made, stability is not high, The abrasion dynamics for increasing piston, reduces the service life of piston, that is, affects the service life of entire tooth flusher.

So a water-flushing device water pump structure that can be improved stability of design has great importance.

Utility model content

The purpose of the utility model is to provide a kind of tooth flusher water pump structures, make pitch brace in orbit by locating shaft Linear motion guarantees the stability of piston operation, makes even piston stress, increase its service life.

In order to achieve the above object, the technical solution adopted in the utility model is as follows:

A kind of tooth flusher water pump structure, including shell, equipped in shell the first cavity, be connected to the first cavity second Cavity, the piston moved in the first cavity are filled with the pitch brace of piston cooperation, with the transmission of pitch brace transmission connection It sets, the motor with transmission device cooperation, is equipped with inlet and outlet in second cavity, it is characterised in that: the piston Pull rod is equipped with a track groove, and the shell is equipped with a locating shaft for passing through the track groove.

Preferably, the transmission device include the driving wheel being connect with motor and with capstan drive cooperation follower, An eccentric boss, the cam for being equipped with one with the eccentric boss cooperation of the pitch brace are equipped on the follower Slot.

Preferably, be equipped in first cavity one for piston motion operation sleeve.

Preferably, the water inlet is externally provided with into water valve chamber, and the water inlet is connected to the second cavity and water inlet valve chamber；It is described Inlet valve is intracavitary to be equipped with inlet valve, and its exterior is equipped with water inlet pipes.

Preferably, pressure relief device is equipped in the inlet valve.

Preferably, the piston is equipped with a first through hole, and corresponding section also is provided with the second through-hole on the pitch brace, Pass through a pin shaft fixed piston and pitch brace.

Preferably, the diameter of the pin shaft is greater than the diameter of the first through hole and the second through-hole.

Compared with prior art, the utility model at least has the advantages that

The utility model tooth flusher water pump structure makes pitch brace move along a straight line in orbit by locating shaft, guarantees to live The stability for filling in operation, makes even piston stress, increases its service life.

Detailed description of the invention

Fig. 1 is the sectional view of an embodiment；

Fig. 2 is the sectional view of an embodiment.

Specific embodiment

The utility model is described further with reference to the accompanying drawings and examples.

Referring to Fig.1-2, a kind of tooth flusher water pump structure provided for an embodiment, including shell 1 and it is located at interior of shell The first cavity 2, the second cavity 3, transmission device, pitch brace 5, piston 4 and set shell exterior and and transmission device The motor 6 of cooperation, one end of pitch brace 5 and piston 4 cooperate, and the other end and drive cooperate, and are transmission by motor 6 Device provides powered belt piston pull rod 5 and piston 4 moves back and forth in the first cavity 2, and the first cavity 2 and the second cavity 3 are Connection, water inlet 31 and water outlet 32 are additionally provided in the second cavity 3, piston 4 can do second when moving in the first cavity 2 Air pressure change in cavity 3 can be such that water extrudes from outlet pipe 32.A track groove 51 is also set on pitch brace 5, outside A locating shaft 7 is secured on shell, locating shaft 7 is inserted into track groove 51, and track groove is a linear slot, its width Identical as the diameter of locating shaft 7, this can ensure when piston moves in the first cavity it is linear motion, this straight line Movement is not due to the shape of the first cavity to determine, when this structure can be such that piston moves in the first cavity and stress Uniformly, the service life of piston is increased, and the stability of this structure is also more preferable.

In the present embodiment, transmission device includes driving wheel 81 and follower 82, the rotor engagement of driving wheel 81 and motor, Driving wheel is engaged with follower again, and an eccentric boss 821 has also been set on follower, set on pitch brace 5 one it is convex Race 52, eccentric boss and cam path cooperate, and when the motor is energized, driving wheel drives follower rotation, then drives eccentric boss 821 rotate together, and have pulled piston motion at this time, change the intracorporal air pressure of the second chamber, make the into and out of water.For work The better movement of plug, then an operation sleeve 9 is increased in the first cavity, its diameter is identical as the diameter of piston, makes to live Plug moves in operation sleeve 9, and the precision for running the inner surface of sleeve does height, increases sealing performance, it is ensured that the operation of product.? The outside of water inlet 31 is equipped with water inlet valve chamber 33, placed inlet valve 10 in valve chamber 33 of intaking, one has been set outside inlet valve Water inlet pipe 20, this water inlet pipe fix inlet valve；The inlet valve is a check valve, and water can only enter second from water inlet pipe The intracorporal inlet opening of chamber, and cannot directly be flowed out from the second cavity from water inlet；Pressure relief device 30 is additionally provided in inlet valve, this Design is in order to which the intracorporal pressure of the second chamber is released, and when the outlet closes, the intracorporal water of the second chamber is flowed out from relief hole 34, With one circulation loop of formation at water inlet pipe, is corresponded in inlet valve and set a small chamber, this chamber and relief hole at relief hole Be connected to by circular hole, it is intracavitary to be equipped with a round ball and spring, spring supporting ball, orb blocks circular hole, when water outlet is closed Afterwards, the intracorporal water of the second chamber can press ball, expose circular hole, and water can flow out.

In the present embodiment, piston is equipped with first through hole, fills in and mutually copes with that also to be provided with second at first through hole logical on pull rod 5 Hole, two diameters passed through are identical, by a pin shaft 40, piston 4 and pitch brace 5 are fixed together, here for cooperation It is even closer, interference fit is used, the diameter of pin shaft 40 is greater than the diameter of first through hole and the second through-hole.

The utility model is described in detail above by specific embodiment, these detailed description are only limited to The content of the utility model is helped skilled in the art to understand, the limit to scope of protection of the utility model can not be interpreted as System.Those skilled in the art should all wrap various retouchings, the equivalent transformation etc. that above scheme carries out under the utility model design It is contained in the protection scope of the utility model.

Claims (7)

1. a kind of tooth flusher water pump structure, including shell (1), the first cavity (2) being equipped in shell (1), with the first cavity (2) The second cavity (3) of connection, the piston (4) moved in the first cavity are drawn with the pitch brace (5) of piston cooperation, with piston The transmission device of bar transmission connection, the motor (6) with transmission device cooperation, second cavity is interior to be equipped with water inlet (31) and goes out The mouth of a river (32), it is characterised in that: 1, the pitch brace be equipped with a track groove (51), the shell be equipped with one pass through it is described The locating shaft (7) of track groove (51).

2. tooth flusher water pump structure according to claim 1, it is characterised in that: the transmission device includes connecting with motor Driving wheel (81) and follower (82) with capstan drive cooperation, an eccentric boss (821) is equipped on the follower, The cam path (52) for being equipped with one with the eccentric boss cooperation of the pitch brace.

3. tooth flusher water pump structure according to claim 1, it is characterised in that: be equipped with one in first cavity for piston The operation sleeve (9) of movement.

4. tooth flusher water pump structure according to claim 2, it is characterised in that: the water inlet is externally provided with into water valve chamber (33), the water inlet is connected to the second cavity and water inlet valve chamber；The inlet valve is intracavitary to be equipped with inlet valve (10), its exterior is equipped with Water inlet pipe (20).

5. tooth flusher water pump structure according to claim 4, it is characterised in that: be additionally provided with pressure relief device in the inlet valve (30).

6. tooth flusher water pump structure according to claim 3, it is characterised in that: the piston is equipped with a first through hole, Corresponding section also is provided with the second through-hole on the pitch brace (5), passes through a pin shaft (40) fixed piston and pitch brace (5).

7. tooth flusher water pump structure according to claim 6, it is characterised in that: the diameter of the pin shaft (40) is greater than described The diameter of first through hole and the second through-hole.