WO2022007837A1

WO2022007837A1 - Drawing type tooth flushing device

Info

Publication number: WO2022007837A1
Application number: PCT/CN2021/104968
Authority: WO
Inventors: 王小凯
Original assignee: 上海飞象健康科技有限公司
Priority date: 2020-07-07
Filing date: 2021-07-07
Publication date: 2022-01-13
Also published as: CN213406374U

Abstract

The present invention provides a drawing type tooth flushing device, comprising: a water tank, wherein the water tank comprises a tank body and a bottom cover, the tank body is in a tubular column shape and is provided with a vertical through liquid storage cavity, two ends of the tank body in the height direction are provided with an upper port and a lower port respectively, the bottom cover is arranged on the lower port, a first buckling position structure is arranged at the position of the inner circumferential wall of the tank body close to the upper port, and a second buckling position structure is arranged on the bottom cover; and a cylindrical machine body, wherein the machine body comprises a machine head section and a telescopic section in the height direction, a water spraying opening is provided in the machine head section, a water suction opening is provided in the bottom of the telescopic section, the telescopic section is arranged in the tank body in a sealed and sliding manner in the height direction of the tank body, and a third buckling position structure and a fourth buckling position structure are sequentially arranged at the positions of the peripheral wall of the telescopic section close to the water suction opening from top to bottom. In the present invention, no buckling position structure is arranged on the peripheral wall of the telescopic section extending out of the water tank, such that the telescopic section is comfortable to hold, the surface of the telescopic section is smooth and flat, dirt cannot easily be hidden, and the sanitation degree of the water tank is improved.

Description

Pull-out irrigator

technical field

The present invention relates to the technical field of dental punching, in particular to a pull-out type dental punching device.

Background technique

At present, portable irrigators are very popular among users because they are easy to carry. Most of the mainstream portable dental irrigators on the market are realized by the pull-out cooperation between the water tank and the body. When using, the body of the dental irrigator is pulled out from the water tank. After use, the body of the dental irrigator is pulled out. Pushing into the water tank reduces the overall size of the portable irrigator for portability.

Specifically, the pull-out fit of the existing portable dental irrigator is achieved through the snap-fit structure on the body of the dental irrigator and the water tank. The body of the portable dental irrigator includes a head and a holding part. The upper and lower sides of the holding part are respectively provided with first engaging structures, that is, there are two first engaging structures on the holding part. Correspondingly, the water tank The inner upper side is provided with a second engaging structure. When in use, the main body of the dental irrigator is pulled out from the water tank, and the first engaging structure on the lower side of the grip portion is engaged with the second engaging structure of the water tank. The body of the dental irrigator and the water tank are fixed to each other. Using more force, the body of the irrigator can be pulled out of the tank to disengage from the tank. After use, press down the body of the dental piercer with force, and the first engaging structure on the upper side of the holding part is engaged with the second engaging structure of the water tank, so that the body of the dental piercing device and the water tank are fixed to each other.

However, since the upper and lower sides of the body of the portable dental irrigator are respectively provided with the first engaging structures, the outer peripheral wall of the holding part of the body is not smooth, resulting in poor comfort for the user to hold the body. What is more noteworthy is that the first engaging structure on the upper side of the grip is very easy to store dirt, is difficult to clean, and pollutes the dental flushing liquid in the water tank, which is not conducive to oral health.

SUMMARY OF THE INVENTION

In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a pull-out type dental punch, without any buckle structure on the outer peripheral wall of the telescopic section protruding from the water tank, so that the grip of the telescopic section is The feeling of holding is relatively comfortable, and the surface of the telescopic section is smooth and flat, which is not easy to hide dirt and dirt, which improves the hygiene of the water tank.

In order to solve the above-mentioned technical problems, the present invention provides a pull-out type dental punch, comprising:

The water tank includes a box body and a bottom cover. The box body is cylindrical and has a liquid storage cavity that runs through up and down. The two ends of the tank body in the height direction are respectively an upper port and a lower port. The bottom cover is arranged on the lower port. A first buckle structure is arranged on the inner peripheral wall near the upper port, and a second buckle structure is arranged on the bottom cover;

The fuselage is cylindrical. The fuselage includes a nose section and a telescopic section along the height direction. The nose section is provided with a water jet, the bottom of the telescopic section is provided with a water suction port, and the telescopic section is sealed and slides along the height direction of the box. is arranged in the box body, and the outer peripheral wall of the telescopic section is provided with a third buckle structure and a fourth buckle structure in sequence from top to bottom near the water suction port;

When the pull-out punch is in the extended state, the first buckle structure and the third buckle are connected to each other; when the pull-out punch is in the shortened state, the second buckle structure and the fourth buckle The structures are connected to each other.

Preferably, a sealing ring is further provided on the outer peripheral wall of the telescopic section, and the sealing ring is located between the third buckle structure and the fourth buckle structure.

Preferably, the fuselage is provided with a water filling channel extending from the top of the fuselage to the bottom of the fuselage, the two ends of the water filling channel in the extending direction are respectively a water filling port and a water supply port, and a water tank cover is provided at the water filling port, and the water supply port is connected to the water supply port. The fluid reservoir is connected.

Preferably, the water tank cover is provided with a leak-proof ring, the leak-proof ring is in interference fit with the irrigation port, and the leak-proof ring is provided with a breathing gap that only allows gas to flow.

Preferably, the water tank cover is made of soft material.

Preferably, the first buckle structure includes a plurality of clamping slots symmetrically arranged on the inner peripheral wall of the box, the third buckle structure includes a plurality of clamping blocks symmetrically arranged on the outer circumference wall of the telescopic section, all the clamping slots and All card blocks correspond one by one.

Preferably, the second buckle structure includes a plurality of locking protrusions symmetrically arranged on the inner side of the bottom cover, the fourth buckle structure includes a plurality of locking hooks symmetrically arranged on the outer peripheral wall of the telescopic section, all the locking protrusions and all the locking protrusions The hooks correspond one by one.

Preferably, a detachable tooth irrigator nozzle is provided on the water spout.

Preferably, a detachable water suction pipe is provided on the water suction port.

Preferably, a start-stop button is provided on the telescopic section, and a charging interface is provided on the nose section.

As mentioned above, the pull-out type dental punch of the present invention has the following beneficial effects: in the present invention, when the pull-out type dental punch is in an extended state, the first buckle structure and the third buckle structure are mutually locked At the same time, the second buckle structure and the fourth buckle structure are separated from each other, which can avoid the movement of the telescopic section of the fuselage relative to the water tank, so that tooth flushing liquid can be added to the liquid storage cavity of the water tank; When the tooth punch is in the shortened state, the second buckle structure and the fourth buckle structure are clamped to each other, and at the same time, the first buckle structure and the third buckle structure are separated from each other, which can prevent the telescopic section of the body from The inside of the water tank is extended again, which is convenient for the user to carry. What's more important is: when the user uses the pull-out tooth punch, the telescopic section of the body is pulled out from the water tank until the third buckle structure and the first buckle structure are connected to each other, so that the body and the The tank remains relatively stationary. Since the third buckle structure and the fourth buckle structure are arranged on the outer peripheral wall of the telescopic section close to the water suction port, there is no buckle structure on the outer peripheral wall of the telescopic section protruding from the water tank, so that the holding feeling of the telescopic section is relatively comfortable , and the surface of the telescopic section is smooth and flat, it is not easy to hide dirt and dirt, and the hygiene of the water tank is improved.

Description of drawings

Fig. 1 shows the partial cross-sectional view of the pull-out dental punch of the present invention when it is in an extended state;

Figure 2 shows an enlarged view of part A in Figure 1;

3 shows a partial cross-sectional view of the pull-out dental punch of the present invention when it is in a shortened state;

Figure 4 is shown as an enlarged view of part B in Figure 3;

Figure 5 shows a schematic diagram of the connection between the water supply channel and the water tank;

Figure 6 is shown as an enlarged view of part C in Figure 5;

FIG. 7 shows a shortened schematic diagram of the pull-out dental irrigator of the present invention;

FIG. 8 is a schematic diagram showing the elongation of the pull-out dental punch of the present invention;

FIG. 9 is a schematic view of the disassembly of the pull-out dental irrigator of the present invention.

Component label description

1 water tank

11 Box body

111 upper port

112 Lower port

113 Reservoir

12 Bottom cover

2 fuselage

21 nose section

211 Spout

212 Start and stop button

213 Charging port

22 Telescopic section

221 Suction port

23 irrigator nozzle

24 Suction tube

3 The first buckle structure

31 Card slot

4 The second buckle structure

41 Card convex

5 The third buckle structure

51 Blocks

6 The fourth buckle structure

61 Hook

7 Sealing ring

8 Add water channel

81 Irrigation port

82 Water supply port

83 Water tank cover

84 Leakproof ring

841 Breathing gap

detailed description

The embodiments of the present invention are described below by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

It should be noted that the structures, proportions, sizes, etc. shown in the accompanying drawings in this specification are only used to cooperate with the contents disclosed in the specification for the understanding and reading of those who are familiar with the technology, and are not intended to limit the implementation of the present invention. Restricted conditions, it does not have technical substantive significance, any structural modification, proportional relationship change or size adjustment, without affecting the effect that the present invention can produce and the purpose that can be achieved, should still fall within the present invention. The scope of the disclosed technical content can be covered. At the same time, the terms such as "up", "down", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and clarity, and are not used to limit this specification. The implementable scope of the invention, and the change or adjustment of the relative relationship thereof, shall also be regarded as the implementable scope of the present invention without substantially changing the technical content.

As shown in Fig. 1 to Fig. 6 , the present invention provides a pull-out dental irrigator, comprising:

Water tank 1. The water tank 1 includes a box body 11 and a bottom cover 12. The box body 11 is cylindrical and has a liquid storage cavity 113 that penetrates up and down. The two ends of the box body 11 in the height direction are an upper port 111 and a lower port 112. The cover 12 is disposed on the lower port 112, the inner peripheral wall of the box body 11 is provided with a first buckle structure 3 near the upper port 111, and the bottom cover 12 is provided with a second buckle structure 4;

The fuselage 2 has a cylindrical shape. The fuselage 2 includes a nose section 21 and a telescopic section 22 in the height direction. The section 22 is sealed and slidably arranged in the box body 11 along the height direction of the box body 11, and the outer peripheral wall of the telescopic section 22 is provided with a third buckle structure 5 and a fourth buckle structure 6 in sequence from top to bottom near the water suction port 221;

When the pull-type tooth punch is in the extended state, the first buckle structure 3 and the third buckle structure 5 are clamped to each other; when the pull-out punch is in the shortened state, the second buckle structure 4 and the third buckle structure The four buckle structures 6 are snap-connected to each other.

In the present invention, the above-mentioned pull-type dental irrigator has various states. As shown in Fig. 1, Fig. 2 and Fig. 8, when the pull-out type dental punch is in the extended state, the first buckle structure 3 and the third buckle structure 5 are clamped to each other, and at the same time, the second buckle The structure 4 and the fourth buckle structure 6 are separated from each other, so that the telescopic section 22 of the fuselage 2 can be prevented from moving relative to the water tank 1, so that dental flushing liquid (such as tap water, oral care liquid) can be added to the liquid storage cavity 113 of the water tank 1. ; As shown in Fig. 3, Fig. 4 and Fig. 7, when the pull-out punching device is in a shortened state, the second buckle structure 4 and the fourth buckle structure 6 are mutually clamped, and at the same time, the first buckle The structure 3 and the third buckle structure 5 are separated from each other, so that the telescopic section 22 of the fuselage 2 can be prevented from protruding from the water tank 1 again, so that it is convenient for the user to carry. More importantly: when the user uses the pull-out dental punch, the telescopic section 22 of the fuselage 2 is pulled out from the water tank 1 until the third buckle structure 5 and the first buckle structure 3 are engaged with each other. , to keep the fuselage 2 and the water tank 1 in a relatively fixed state. Since the third buckle structure 5 and the fourth buckle structure 6 are arranged on the outer peripheral wall of the telescopic section 22 close to the water suction port 221, there is no buckle structure on the outer peripheral wall of the telescopic section 22 protruding from the water tank 1, so that the telescopic section 22 does not have any buckle structure. The grip feeling of 22 is relatively comfortable, and the surface of the telescopic section 22 is smooth and flat, which is not easy to hide dirt and dirt, which improves the sanitation of the water tank 1 .

In addition, as shown in FIG. 9 , the above-mentioned pull-out type dental punch has a third state: when the pull-out type dental punch is in an extended state, continue to apply a larger pulling force to the body 2, and the third The buckle structure 5 and the first buckle structure 3 are separated from each other. At this time, the body 2 and the water tank 1 are in a separated state. At this time, the user can easily clean the liquid storage cavity 113 of the water tank 1 .

In order to improve the water tightness between the fuselage 2 and the water tank 1 , the outer peripheral wall of the telescopic section 22 is also provided with a sealing ring 7 , and the sealing ring 7 is located between the third buckle structure 5 and the fourth buckle structure 6 . In addition, the sealing ring 7 also has the auxiliary function of preventing the telescopic section 22 from sliding relative to the box body 11 . Another point is that the sealing ring 7 is located between the third buckle structure 5 and the fourth buckle structure 6, so that the sealing ring 7 is always watertightly sliding with the inner peripheral wall of the box body 11 during the expansion and contraction process of the pull-out punch. In cooperation, the sealing ring 7 will not pass over the first buckle structure 3 and the second buckle structure 4 . Only when the fuselage 2 and the water tank 1 are separated, the sealing ring 7 will pass over the first buckle structure 3 .

As shown in FIG. 5 and FIG. 6 , in order to facilitate adding dental rinsing liquid to the water tank 1, the body 2 is provided with a water filling channel 8 extending from the top of the body 2 to the bottom of the body 2, and the water filling channel 8 extends in the direction of extension. The two ends of the water supply port 81 are respectively an irrigation port 81 and a water supply port 82 , a water tank cover 83 is provided at the irrigation port 81 , and the water supply port 82 communicates with the liquid storage chamber 113 .

Because the above-mentioned telescopic section 22 is in sealing and sliding cooperation with the box body 11, a vacuum environment is easily formed in the water tank 1, and it is not easy to pull the body 2 and the water tank 1. Therefore, the above-mentioned water tank cover 83 is provided with a leak-proof ring 84. The leak-proof ring 84 is connected to the irrigation water The port 81 has an interference fit, and the leak-proof ring 84 is provided with a breathing gap 841 that only allows gas to flow.

In order to easily cover the water filling port 81 with the water tank cover 83, the water tank cover 83 is made of a soft material.

As an embodiment of the first buckle structure 3 and the third buckle structure 5: the first buckle structure 3 includes a plurality of card slots 31 symmetrically arranged on the inner peripheral wall of the box body 11 (the card slots 31 may be two), the above-mentioned third buckle structure 5 includes a plurality of clamping blocks 51 symmetrically arranged on the outer peripheral wall of the telescopic section 22 (the number of clamping blocks 51 may be two), and all the clamping slots 31 correspond to all the clamping blocks 51 one-to-one.

As an embodiment of the second buckle structure 4 and the fourth buckle structure 6: the second buckle structure 4 includes a plurality of snap protrusions 41 symmetrically arranged on the inner side of the bottom cover 12 (the number of snap protrusions 41 may be two ), the above-mentioned fourth buckle structure 6 includes a plurality of hooks 61 symmetrically arranged on the outer peripheral wall of the telescopic section 22 (the number of hooks 61 may be two), and all the hooks 41 correspond to all the hooks 61 one-to-one.

The above water spout 211 is provided with a detachable irrigator nozzle 23 .

The water suction port 221 is provided with a detachable water suction pipe 24 . The lower end of the suction pipe 24 may be provided with a filter element.

The telescopic section 22 is provided with a start-stop button 212 , and the nose section 21 is provided with a charging interface 213 . The charging interface 213 may be a USB charging port, and a cover may be provided at the USB charging port.

To sum up, in the pull-out dental irrigator of the present invention, there is no buckle structure on the outer peripheral wall of the telescopic section protruding from the water tank, so that the holding feeling of the telescopic section is more comfortable, and the surface of the telescopic section is smooth Flat, not easy to hide dirt, improve the sanitation of the water tank. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

The above-mentioned embodiments merely illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed in the present invention should still be covered by the claims of the present invention.

Claims

A pull-out type dental punch is characterized in that, comprising:

The water tank (1) comprises a box body (11) and a bottom cover (12), the box body (11) is in the shape of a column and has a liquid storage cavity (113) that penetrates up and down, and the box body (11) is in the height direction The two ends of the box are respectively an upper port (111) and a lower port (112), the bottom cover (12) is arranged on the lower port (112), and the inner peripheral wall of the box (11) is provided with a first buckle near the upper port (111). a position structure (3), a second buckle structure (4) is provided on the bottom cover (12);

The fuselage (2) is cylindrical, the fuselage (2) includes a nose section (21) and a telescopic section (22) along the height direction, and the nose section (21) is provided with a water spout (211), which can be retracted and retracted. The bottom of the section (22) is provided with a water suction port (221), the telescopic section (22) is sealed and slidably arranged in the casing (11) along the height direction of the casing (11), and the outer peripheral wall of the telescopic section (22) is close to the water absorption The mouth (221) is provided with a third buckle structure (5) and a fourth buckle structure (6) in sequence from top to bottom;

When the pull-type dental punch is in the extended state, the first buckle structure (3) and the third buckle structure (5) are clamped to each other; when the pull-out punch is in the shortened state, the second buckle position The structure (4) and the fourth buckle structure (6) are clamped to each other.
The pull-out type dental punch according to claim 1, characterized in that: the outer peripheral wall of the telescopic section (22) is further provided with a sealing ring (7), and the sealing ring (7) is located in the third buckle structure ( 5) and the fourth buckle structure (6).
The pull-out type dental irrigator according to claim 1, characterized in that: the body (2) is provided with a water filling channel (8) extending from the top of the body (2) to the bottom of the body (2), The two ends in the extending direction of the water filling channel (8) are respectively a water filling port (81) and a water supply port (82), a water tank cover (83) is arranged at the water filling port (81), a water supply port (82) and a liquid storage chamber (113) ) is connected.
The pull-type dental irrigator according to claim 3, characterized in that: the water tank cover (83) is provided with a leak-proof ring (84), and the leak-proof ring (84) has an interference fit with the irrigation port (81). , the leak-proof ring (84) is provided with a breathing gap (841) that only allows gas to circulate.
The pull-out type dental irrigator according to claim 3, characterized in that: the water tank cover (83) is made of a soft material.
The pull-out type dental punch according to claim 1, characterized in that: the first buckle structure (3) comprises a plurality of clamping grooves (31) symmetrically arranged on the inner peripheral wall of the box body (11), so The third buckle structure (5) includes a plurality of clamping blocks (51) symmetrically arranged on the outer peripheral wall of the telescopic section (22), and all the clamping slots (31) correspond to all the clamping blocks (51) one-to-one.
The pull-out type dental punch according to claim 1, characterized in that: the second locking structure (4) comprises a plurality of locking protrusions (41) symmetrically arranged on the inner side of the bottom cover (12). The four-buckle structure (6) includes a plurality of snap hooks (61) symmetrically arranged on the outer peripheral wall of the telescopic section (22), and all snap protrusions (41) correspond to all snap hooks (61) one-to-one.
The pull-out type dental flusher according to claim 1, characterized in that: a detachable dental flusher nozzle (23) is provided on the water spout (211).
The drawing-type dental irrigator according to claim 1, characterized in that: the water suction port (221) is provided with a detachable water suction pipe (24).
The pull-out type dental irrigator according to claim 1, characterized in that: the telescopic section (22) is provided with a start-stop button (212), and the nose section (21) is provided with a charging interface (213). ).