CN204971669U

CN204971669U - Water pick

Info

Publication number: CN204971669U
Application number: CN201520480379.0U
Authority: CN
Inventors: 李冬保
Original assignee: 深圳瑞圣特电子科技有限公司
Priority date: 2015-07-06
Filing date: 2015-07-06
Publication date: 2016-01-20

Abstract

The utility model provides a water pick for solve the great problem that influences the water pick performance of current water pick piston wearing and tearing. The utility model discloses a water pick includes the water pump structure, and the water pump structure includes the pump case, and the pump case includes first cavity and second cavity, has seted up apopore and inlet opening on the first cavity, and second cavity and first cavity intercommunication, and being equipped with in the second cavity along the piston assembly of second cavity inner wall activity, piston assembly include connecting rod and piston, and the piston includes the top, reaches the bottom of being connected with the connecting rod with the first ring portion of second cavity contact, be provided with two spacing portions in the first ring portion, first ring portion cup jointed the outside be located between the two spacing portions and with the airtight complex second ring portion of second cavity inner wall. The utility model discloses a setting of second ring portion has reduced the friction between pump case and the piston, improves water pick's reliability and life.

Description

A kind of tooth flusher

Technical field

This utility model relates to a kind of tooth flusher.

Background technology

Tooth flusher is a kind of oral cleaning health apparatus, and it mainly utilizes high-velocity flow to rinse to reach clean tooth effect to tooth.Tooth flusher mainly comprises the structure such as water pump, shower nozzle, existing tooth flusher often comprises hand-held tooth flusher and desk-top tooth flusher, the water pump structure of the two mostly all is the piston composition adopted pump made of plastic and plastic cement and make, but it is larger to wear and tear between the pump case of tooth flusher and piston, particularly piston, its sealing property will directly affect the performance of tooth flusher.

Utility model content

In order to overcome above-mentioned technical problem, this utility model provides a kind of tooth flusher, in order to solve the problem of existing tooth flusher piston wear considerable influence tooth flusher performance, to realize reducing the friction between pump case and piston, thus reduce the push-pull effort of piston in reciprocatory movement, alleviate loss, improve reliability and the service life of tooth flusher.

For solving the problem, the technical scheme that this utility model adopts is as follows:

A kind of tooth flusher, comprise water pump structure, water pump structure comprises pump case, pump case comprises the first chamber and the second chamber, first chamber offers apopore and inlet opening, the second chamber and the first chamber, and in the second chamber, be provided with the piston component along the second chamber inner wall activity, piston component comprises connecting rod and piston, the bottom that piston comprises top, the first ring portion contacted with the second chamber and is connected with connecting rod; First ring portion is provided with two limiting sections, the first ring portion outer cover to be connected between two limiting sections and with the second ring portion of the second chamber inner wall close fit.

Preferably: the second ring portion comprises outer shroud forced section, internal ring forced section and connects the stressed press section of outer shroud forced section and internal ring forced section; Wherein, outer shroud forced section contacts with the second chamber inner wall, and internal ring forced section contacts with the first ring portion.

Preferably: the cross section of the second ring portion is in " Y " font.

Preferably: the material of the second chamber inner wall is metal.

Preferably: be also provided with reciprocating valve block in the first chamber, this reciprocating valve block comprises and forms with inlet opening the piston part sealed.

Preferably: be provided with the first water-retention chamber be communicated with inlet opening in the outside of pump case.

Preferably: pump case also offers relief hole, and this relief hole is positioned at the first water-retention chamber side, and relief hole is communicated with a pressure protective device.

Preferably: the top splenium that pressure protective device comprises base, spring and contacts with relief hole hole wall, wherein, the stiff end of spring is fixedly connected with base, and the movable end of spring is fixedly connected with top splenium.

Preferably: pressure protective device also comprises containment vessel, this containment vessel comprises the second water-retention chamber; Base, spring and top splenium are all located in the second water-retention chamber, and base is fixedly connected on the inwall of the second water-retention chamber.

Preferably: the second storage chamber chamber interior walls also offers the spillway hole with the first water-retention chamber.

The beneficial effects of the utility model are:

Compared to existing technology, piston in this utility model water pump structure comprises the first ring portion and the second ring portion, and the second ring portion is socketed on the first collar external, change conventional piston and the second chamber inner wall close fit into the second ring portion and the second chamber inner wall close fit, make in motor process, to utilize the second ring portion and the second chamber inner wall close fit more at piston, reduce the direct wearing and tearing of piston and the second chamber, ensure that the performance of tooth flusher to a certain extent; Fast changeable after the second ring portion is worn, improves the service life of tooth flusher; Pump body structure of the present utility model is all applicable to, in hand-held tooth flusher and desk-top tooth flusher, be suitable for practicality.

Accompanying drawing explanation

Fig. 1 is overall appearance figure of the present utility model;

Fig. 2 is P-P cross section view in Fig. 1;

Fig. 3 is the second ring portion structural representation of the present utility model;

Fig. 4 is M-M cross section view in Fig. 3;

Fig. 5 is other structural representations of the present utility model in Fig. 1.

Identifier declaration in figure:

1, the first chamber; 11, apopore; 12, inlet opening; 13, reciprocating valve block; 14, relief hole;

2, the second chamber; 21, piston component; 211, connecting rod; 212, piston; 2121, the first ring portion; 2122, the second ring portion;

3, the first water-retention chamber; 31, water injection pipe; 32, outlet pipe;

4, the second water-retention chamber;

5, pressure protective device; 51, base; 52, spring; 53, splenium is pushed up; 54, containment vessel; 541, spillway hole.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.

Shown in Fig. 1 and Fig. 2, tooth flusher of the present utility model, comprises water pump structure.Wherein, water pump structure comprises pump case, and pump case comprises on the first chamber 1 and the second chamber 2, first chamber 1 and offers apopore 11 and inlet opening 12, second chamber 2 is communicated with the first chamber 1, and in the second chamber 2, be provided with the piston component 21 along the second chamber 2 inwall activity.Piston component 21 comprises connecting rod 211 and piston 212, and piston 212 comprises top, the first ring portion 2121 contacted with the second chamber 2 and the bottom be connected with connecting rod 211.First ring portion 2121 is provided with two limiting sections, the first ring portion 2121 outer cover to be connected between two limiting sections and with the second ring portion 2122 of the second chamber 2 inwall close fit.

Shown in Fig. 4 and Fig. 5, the second ring portion 2122 comprises outer shroud forced section, internal ring forced section and connects the stressed press section of outer shroud forced section and internal ring forced section.Wherein, outer shroud forced section and the second chamber 2 contact internal walls, internal ring forced section contacts with the first ring portion 2121.The structure that second ring portion 2122 adopts outer shroud forced section, internal ring forced section and stressed press section three to cooperatively interact, to coordinate the first ring portion 2121 and the second chamber inner wall simultaneously.Further, the cross section of the second ring portion 2122 is in " Y " font, and the material of the second chamber 2 inwall is metal." Y " character form structure of second ring portion 2122 more meets the mechanical structure of the second ring portion 2122, and the second chamber 2 inwall adopts metal material, and seal and smoothness better, make tooth flusher more stable.

Be desk-top tooth flusher structural representation see Fig. 1.In the first chamber 1, be also provided with reciprocating valve block 13, this reciprocating valve block 13 comprises and forms with inlet opening 12 piston part sealed.Reciprocating valve block 13 object is to carry out every current control water, seals when piston part and inlet opening 12 are formed, and force connecting rod drives piston to move to the first chamber 1 direction in the second chamber 2, and water to be squeezed from apopore 11 and to go out through outlet pipe 32.In addition, the first water-retention chamber 3 be communicated with inlet opening 12 is provided with in the outside of pump case, if the water that the first water-retention chamber 3 is beneficial to water injection pipe 31 injects is saved.

The pump case of water pump structure also offers relief hole 14, and this relief hole 14 is positioned at the first water-retention chamber 3 side, relief hole 14 is communicated with a pressure protective device 5.Relief hole 14 discharges water to reduce pump case pressure after exceeding certain pressure value when pump case, thus protection water pump structure.Part water, for coordinating with relief hole 14, after ensureing that pump case is subject to certain pressure value, can be derived through relief hole 14 by pressure protective device 5 in time.

The top splenium 53 that pressure protective device 5 comprises base 51, spring 52 and contacts with relief hole 14 hole wall, wherein, the stiff end of spring 52 is fixedly connected with base 51, and the movable end of spring 52 is fixedly connected with top splenium 53.In addition, pressure protective device 5 also comprises containment vessel 54, and this containment vessel 54 comprises the second water-retention chamber 4, and base 51, spring 52 and top splenium 53 are all located in the second water-retention chamber 4, and base 51 is fixedly connected on the inwall of the second water-retention chamber 4.After water arrives certain force value, top splenium 53 can be pushed up pressure by hydraulic pressure, and water flows in the second water-retention chamber through relief hole 14.Further, the second water-retention chamber 4 inwall also offers the spillway hole 541 be communicated with the first water-retention chamber 3.By the setting of spillway hole 541, the water flowed out is caused in the first water-retention chamber 3, recycle, economize on resources in relief hole 14.

Shown in Fig. 1 and Fig. 5, the outlet pipe 32 of this utility model tooth flusher also can be arranged on first chamber 1 outer wall one end on connecting rod 211 activity direction, and is communicated with apopore 11.

See Fig. 5, it is hand-held tooth flusher structural representation.Hand-held tooth flusher comprises the structure identical with the first chamber of desk-top tooth flusher, the second chamber and piston component, difference be hand-held tooth flusher on the first chamber 1 apopore 11 place be also provided with check valve sheet, and this apopore is opened in from the first chamber inner wall of the piston movement paths farthest end of piston component.

Above-mentioned embodiment is only preferred implementation of the present utility model; can not limit the scope of this utility model protection with this, change and the replacement of any unsubstantiality that those skilled in the art does on basis of the present utility model all belong to this utility model scope required for protection.

Claims

1. a tooth flusher, comprise water pump structure, it is characterized in that: water pump structure comprises pump case, pump case comprises the first chamber and the second chamber, first chamber offers apopore and inlet opening, the second chamber and the first chamber, and in the second chamber, be provided with the piston component along the second chamber inner wall activity, piston component comprises connecting rod and piston, the bottom that piston comprises top, the first ring portion contacted with the second chamber and is connected with connecting rod; First ring portion is provided with two limiting sections, the first ring portion outer cover to be connected between two limiting sections and with the second ring portion of the second chamber inner wall close fit.

2. according to the tooth flusher described in claim 1, it is characterized in that: the second ring portion comprises outer shroud forced section, internal ring forced section and connects the stressed press section of outer shroud forced section and internal ring forced section; Wherein, outer shroud forced section contacts with the second chamber inner wall, and internal ring forced section contacts with the first ring portion.

3. according to the tooth flusher described in claim 2, it is characterized in that: the cross section of the second ring portion is in " Y " font.

4. according to the tooth flusher described in claim 1, it is characterized in that: the material of the second chamber inner wall is metal.

5. according to the tooth flusher described in claim 1, it is characterized in that: be also provided with reciprocating valve block in the first chamber, this reciprocating valve block comprises and forms with inlet opening the piston part sealed.

6. according to the tooth flusher described in claim 1, it is characterized in that: be provided with the first water-retention chamber be communicated with inlet opening in the outside of pump case.

7. according to the tooth flusher described in claim 6, it is characterized in that: pump case also offers relief hole, and this relief hole is positioned at the first water-retention chamber side, relief hole is communicated with a pressure protective device.

8. according to the tooth flusher described in claim 7, it is characterized in that: the top splenium that pressure protective device comprises base, spring and contacts with relief hole hole wall, wherein, the stiff end of spring is fixedly connected with base, and the movable end of spring is fixedly connected with top splenium.

9. according to Claim 8 described in tooth flusher, it is characterized in that: pressure protective device also comprises containment vessel, this containment vessel comprises the second water-retention chamber; Base, spring and top splenium are all located in the second water-retention chamber, and base is fixedly connected on the inwall of the second water-retention chamber.

10. according to the tooth flusher described in claim 9, it is characterized in that: the second storage chamber chamber interior walls also offers the spillway hole with the first water-retention chamber.