CN208910533U

CN208910533U - Water toothpick piston seal, the pump housing and water toothpick

Info

Publication number: CN208910533U
Application number: CN201821182338.3U
Authority: CN
Inventors: 孟凡迪
Original assignee: Shu Keshi (shenzhen) Technology Co Ltd
Current assignee: Shenzhen Sushi Technology Co Ltd
Priority date: 2018-07-24
Filing date: 2018-07-24
Publication date: 2019-05-31
Anticipated expiration: 2028-07-24

Abstract

The utility model discloses a kind of water toothpick piston seal, the pump housing and water toothpicks, the water toothpick piston seal is set to the pistons end of the water toothpick pump housing, including cylindrical seal circle ontology, the first end of the sealing ring body is equipped with the containing groove for accommodating the end of the piston, the opening of the containing groove is equipped with the first skirt extended to the axle center of the water toothpick piston seal, and first skirt is used to the water toothpick piston seal being connected to the piston；The end face of the second end of the sealing ring body, which is equipped with, is used to form institute into the second skirt and the annular groove of seal convexity, and the section of the annular groove is V-type, and the outer diameter of second skirt is gradually reduced along the direction of close first skirt.In this way, can flow out to avoid the water in pump housing inner storing water chamber through the inner wall of water toothpick piston seal, the sealing performance of the pump housing and water toothpick is increased.

Description

Water toothpick piston seal, the pump housing and water toothpick

Technical field

The utility model relates to water toothpick technical field, in particular to a kind of water toothpick piston seal, the pump housing and toothwash Device.

Background technique

Brushing teeth is a kind of self most popular tooth health care behavior, and water toothpick is that the auxiliary of toothbrush supplements apparatus, be may be implemented Clean place is not easy to toothbrushes such as teeth space and gingival sulcus to clean.

Current Portable tooth scaling device generally comprises water toothpick host, and water toothpick host includes shell and water pump component, water Pump assembly is arranged in shell, and water pump component is equipped with the pump housing, driving motor, faucet and water inlet tap, and driving motor and the pump housing pass Dynamic connection, the pump housing are connected to faucet and water inlet tap respectively.Therefore, the piston seal quality of the pump housing directly affects the property of water toothpick Energy.Currently, the peripheral surface of piston generally installs the sealing ring of standard specification, sealing effect is bad, and there are sealing ring inner walls The case where leak.

Utility model content

The main purpose of the utility model is to propose a kind of water toothpick piston seal and use the water toothpick piston seal The pump housing and water toothpick of circle, it is intended to solve the problems, such as that the piston seal of the existing water toothpick pump housing is ineffective.

To achieve the above object, the utility model proposes a kind of water toothpick piston seal, be set to the water toothpick pump housing Pistons end, the water toothpick piston seal includes cylindrical seal circle ontology, and the first end of the sealing ring body is set There is the containing groove for accommodating the piston, is equipped in the containing groove and prolongs to the axle center of the water toothpick piston seal The first skirt stretched, first skirt are used to the water toothpick piston seal being connected to the piston；

The end face of the second end of the sealing ring body be equipped be used to form at the second skirt and the annular of seal convexity Groove forms sealed compartment between the annular groove and the containing groove, the outer diameter of second skirt is along close to described The direction of first skirt is gradually reduced.

Preferably, the sealing ring body of the water toothpick piston seal, the first skirt, sealed compartment and the second skirt It is one of the forming.

Preferably, the section of the annular groove is V-type, and the angle of the V-type opening of the annular groove is 30 ° to 45 °.

Preferably, first skirt is equipped with chamfering at the first end of the sealing ring body, and second skirt exists End at largest outside diameter is inclined-plane.

In addition, the utility model also provides a kind of pump housing, including shell, cylinder barrel, piston and as described in above-mentioned any one Water toothpick piston seal, the inner wall of second skirt and the cylinder barrel is interference fitted；

The cylinder barrel is fixed on the inside of the shell, and the piston is slidably arranged in inside the cylinder barrel, the toothwash The inner wall of the end face of device piston seal and the cylinder barrel forms water storage chamber, and the cylinder barrel is equipped with and the water storage chamber Water passage, the shell is equipped with the water inlet and water outlet that are connected to the water passage, and the water passage is close One end of the piston is equipped with the sealing inclined-plane cooperated with the seal convexity.

Preferably, the water inlet is equipped with water feeding one-way valve, and the water outlet is equipped with water one-way valve.

Preferably, the water feeding one-way valve and/or out the outer ring of water one-way valve be equipped with reinforcing rib.

Preferably, the water inlet is equipped with water inlet adapter, and the water inlet adapter is close to one end of the water inlet Outer ring is equipped with sealing ring mounting groove, and the adapter being interference fitted with the water inlet is equipped in the sealing ring mounting groove and is sealed Circle.

Preferably, the water outlet is equipped with water outlet adapter, and the water outlet adapter is close to one end of the water outlet Outer ring is equipped with sealing ring mounting groove, and the adapter being interference fitted with the water outlet is equipped in the sealing ring mounting groove and is sealed Circle.

In addition, the utility model also provides a kind of water toothpick, including the pump housing as described in above-mentioned any one.

Water toothpick piston seal provided by the utility model, due between annular groove and containing groove formed sealing every Layer, when water toothpick piston seal is installed on piston, water toothpick piston seal is coated on the end of piston completely, sealing Interlayer flow out the indoor water of pump body water storage cavity will not through the inner wall of water toothpick piston seal.Meanwhile passing through setting With the second skirt of inner wall of cylinder interference fit so that the indoor water of water storage cavity will not inner wall through cylinder barrel and water toothpick piston it is close It is flowed out between the outer wall of seal.In addition, when piston runs to end of travel, the seal convexity and cylinder of water toothpick piston seal The sealing inclined-plane cooperation of the water passage of cylinder, further increases the sealing performance of water toothpick piston seal.Therefore, this is practical The pump housing and water toothpick of the use of the novel offer water toothpick piston seal are guaranteeing in water toothpick piston seal and cylinder barrel While sealing performance between wall, the case where the sealing ring inner wall leak occurred when also avoiding using traditional seal, mention The high sealing performance of water toothpick piston seal and the pump housing, improves the quality of water toothpick.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the main view for the water toothpick piston seal that an embodiment of the present invention provides；

Fig. 2 is the cross-sectional view in the direction A-A in Fig. 1；

Fig. 3 is the full sectional view for the pump housing that an embodiment of the present invention provides.

Drawing reference numeral explanation:

1, water toothpick piston seal；11, sealing ring body；12, containing groove；13, the first skirt；131, chamfering；14, Second skirt；141, inclined-plane；15, seal convexity；16, annular groove；17, sealed compartment；

2, cylinder barrel；21, water inlet；22, water outlet；23, water passage；231, sealing inclined-plane；24, water storage chamber；

3, piston；

4, shell；

5, water feeding one-way valve；

6, go out water one-way valve；

7, water inlet adapter；

8, it is discharged adapter；

9, sealing ring mounting groove；

10, adapter sealing ring.

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection scope of the requires of the utility model.

As shown in Figure 1 to Figure 3, the utility model provides a kind of water toothpick piston seal 1, is set to the water toothpick pump housing 3 end of piston, water toothpick piston seal 1 include cylindrical seal circle ontology 11, and the first end of sealing ring body 11, which is equipped with, to be used In the containing groove 12 for accommodating piston 3, containing groove 12 is interior to be equipped with the first skirt extended to the axle center of water toothpick piston seal 1 Side 13, the first skirt 13 are used to water toothpick piston seal 1 being connected to piston 3.The end of the second end of sealing ring body 11 Face, which is equipped with, is used to form institute into the second skirt 14 and the annular groove 16 of seal convexity 15, annular groove 16 and with containing groove 12 Between form sealed compartment 17, the outer diameter of the second skirt 14 is gradually reduced along the direction close to the first skirt 13.

In one embodiment, as shown in Figure 1 to Figure 3, the sealing ring body 11 of water toothpick piston seal 1, the first skirt 13, sealed compartment 17 and the second skirt 14 are one of the forming, and the quality problems occurred when can be to avoid separately manufacturing improve The sealing performance of water toothpick piston seal 1.

In one embodiment, as shown in Figure 1 to Figure 3, the section of annular groove 16 is V-type, and the V-type of annular groove 16 is open Angle be 30 ° to 45 °.It should be understood that when the angle of V-type opening is too small, the interference of the second skirt 14 and 2 inner wall of cylinder barrel Measure less than normal, sealing performance is poor.When the angle of V-type opening is excessive, water toothpick piston seal 1 is not easy to install in cylinder barrel 2.

In one embodiment, as shown in Figure 1 to Figure 3, the first skirt 13 is equipped with just at the first end of sealing ring body 11 It installs in by piston 3 to the chamfering 131 in the containing groove 12 of water toothpick piston seal 1, the second skirt 14 is in largest outside diameter The end at place is inclined-plane 141, convenient for installing water toothpick piston seal 1 to cylinder barrel 2.

In addition, the utility model also provides a kind of pump housing, including shell 4, cylinder barrel 2, piston 3 and such as above-mentioned any one Water toothpick piston seal 1, the second skirt 14 and the inner wall of cylinder barrel 2 are interference fitted.Cylinder barrel 2 is fixed on the inside of shell 4, piston 3 are slidably arranged in inside cylinder barrel 2, and the end face of water toothpick piston seal 1 and the inner wall of cylinder barrel 2 form water storage chamber 24, cylinder barrel 2 Equipped with the water passage 23 being connected to water storage chamber 24, shell 4 is equipped with the water inlet 21 being connected to water passage 23 and water outlet Mouth 22, water passage 23 are equipped with the sealing inclined-plane 231 cooperated with seal convexity 15 close to one end of piston 3.

In one embodiment, as shown in figure 3, water inlet 21 is equipped with water feeding one-way valve 5, it is single that water outlet 22 is equipped with water outlet To valve 6.It should be understood that the space of water storage chamber 24 becomes smaller when piston 3 moves upwards, water feeding one-way valve 5 is closed, water outlet Check valve 6 is opened, and the water in water storage chamber 24 is just sprayed from the nozzle of water toothpick.When piston 3 moves down, water storage chamber 24 Space becomes larger, and water one-way valve 6 is closed out, and water feeding one-way valve 5 is opened, 24 water storage of water storage chamber.

Preferably, water feeding one-way valve 5 and/or out the outer ring of water one-way valve 6 be equipped with reinforcing rib, can improve check valve sealing Reliability, and improve the intensity of check valve simultaneously, increase the pressure that check valve is born, prevent check valve from becoming under buffer brake Shape failure, and prolong its service life.

In one embodiment, as shown in figure 3, water inlet 21 is equipped with water inlet adapter 7, adapter 7 of intaking is close to water inlet The outer ring of 21 one end is equipped with sealing ring mounting groove 9, is equipped with the adapter being interference fitted with water inlet 21 in sealing ring mounting groove 9 Sealing ring 10.

Water outlet 22 is equipped with water outlet adapter 8, and water outlet adapter 8 is equipped with sealing ring close to the outer ring of one end of water outlet 22 Mounting groove 9, sealing ring mounting groove 9 is interior to be equipped with the adapter sealing ring 10 being interference fitted with water outlet 22.

By setting water inlet adapter 7 and water outlet adapter 8, installed convenient for the pump housing and remaining components.

In addition, the utility model also provides a kind of water toothpick comprising shell is provided with water tank, power source, spray in shell Mouth and the pump housing as described in above-mentioned any one embodiment, water tank are connected to by water pipe with the water inlet of the pump housing, nozzle and the pump housing Water outlet connection, power source is reciprocating for the intracorporal piston of transfer tube, to pass through the pump housing for the water in water tank by intaking Mouth is pumped into the pump housing, then is sprayed the water in water tank through nozzle by water outlet, to clean tooth.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or directly/ Other related technical areas are used in indirectly to be included in the scope of patent protection of the utility model.

Claims

1. a kind of water toothpick piston seal, is set to the pistons end of the water toothpick pump housing, which is characterized in that the water toothpick is living Plug sealing ring includes cylindrical seal circle ontology, and the first end of the sealing ring body is equipped with the accommodating for accommodating the piston Groove, the containing groove is interior to be equipped with the first skirt extended to the axle center of the water toothpick piston seal, first skirt Side is used to the water toothpick piston seal being connected to the piston；

The end face of the second end of the sealing ring body be equipped be used to form at the second skirt and the annular groove of seal convexity, Sealed compartment is formed between the annular groove and the containing groove, the outer diameter of second skirt is along close to first skirt The direction on side is gradually reduced.

2. water toothpick piston seal as described in claim 1, which is characterized in that the sealing of the water toothpick piston seal Circle ontology, the first skirt, sealed compartment and the second skirt are one of the forming.

3. water toothpick piston seal as claimed in claim 2, which is characterized in that the section of the annular groove is V-type, institute The angle for stating the V-type opening of annular groove is 30 ° to 45 °.

4. water toothpick piston seal as claimed in claim 2, which is characterized in that first skirt is in the sealing ring sheet Chamfering is equipped at the first end of body, second skirt is inclined-plane in the end of outer diameter maximum.

5. a kind of pump housing, including shell, cylinder barrel, piston and the water toothpick piston seal as described in Claims 1-4 any one The inner wall of circle, second skirt and the cylinder barrel is interference fit；

The cylinder barrel is fixed on the inside of the shell, and the piston is slidably arranged in inside the cylinder barrel, and the water toothpick is living The inner wall of the end face of plug sealing ring and the cylinder barrel forms water storage chamber, and the cylinder barrel is equipped with the mistake with the water storage chamber Aquaporin, the shell are equipped with the water inlet and water outlet being connected to the water passage, and the water passage is in the work One end of plug is equipped with the sealing inclined-plane cooperated with the seal convexity.

6. the pump housing as claimed in claim 5, which is characterized in that the water inlet is equipped with water feeding one-way valve, the water outlet It is equipped with water one-way valve.

7. the pump housing as claimed in claim 6, which is characterized in that the outer ring of the water feeding one-way valve and/or out water one-way valve is set There is reinforcing rib.

8. the pump housing as claimed in claim 5, which is characterized in that the water inlet is equipped with water inlet adapter, the water inlet switching The outer ring of one end of the closely described water inlet of head rest is equipped with sealing ring mounting groove, is equipped with and the water inlet in the sealing ring mounting groove The adapter sealing ring of mouth interference fit.

9. the pump housing as claimed in claim 8, which is characterized in that the water outlet is equipped with water outlet adapter, the water outlet switching The outer ring of one end of the closely described water outlet of head rest is equipped with sealing ring mounting groove, is equipped with and the water outlet in the sealing ring mounting groove The adapter sealing ring of mouth interference fit.

10. a kind of water toothpick, which is characterized in that including the pump housing as described in claim 5-9 any one.