CN209864126U - Quick change structure of nozzle of tooth cleaner - Google Patents

Abstract

The utility model discloses a scaler nozzle quick change structure, including stalk portion and nozzle, the nozzle periphery is provided with a recess, the stalk portion includes the handle body, and water route subassembly, the quick-connect module and the elastic module of water route subassembly upper end are arranged in, and the quick-connect module is including the quick-operation joint that has well kenozooecium, is located quick-operation joint side and symmetric distribution's bullet arm and is located the ejector pad between two bullet arms, and the bullet arm includes interconnect's main part and lug, and the main part is located the quick-operation joint outside and its periphery cover are equipped with back the shape spring, and the lug is followed well kenozooecium direction protrusion sets up, has an interval between two bullet arms, and this interval is narrowed by the width along the direction of quick-operation. The utility model discloses a nozzle quick change structure of scaler can satisfy the needs that different family members changed different nozzles, need not to change whole scaler, environmental protection and resources are saved very.

Description

Quick change structure of nozzle of tooth cleaner

Technical Field

The utility model relates to a quick change structure of a nozzle of a tooth cleaner.

Background

The tooth cleaner is a novel oral cavity cleaning appliance, and sprays water with certain pressure to wash teeth to achieve the purpose of cleaning. The existing tooth cleaner is used as a device for health and sanitary flushing of personal teeth, is generally used by an individual and cannot be used by other family members together, so that resource waste is easily caused, and the environmental protection property is low.

Disclosure of Invention

In order to solve the technical problem, an object of the present invention is to provide a quick-change structure for a nozzle of a dental scaler.

The utility model discloses a following technical scheme realizes: the utility model provides a scaler nozzle quick change structure, includes stalk portion and nozzle, the nozzle periphery is provided with a recess, the stalk portion includes the handle body, is located the water route subassembly of handle body, arranges in the quick-connect module of water route subassembly upper end and being located the water route subassembly with connect the elasticity module between the module soon, wherein, connect the module soon including having well kenozooecium quick-operation joint, be located quick-operation joint side and symmetric distribution's bullet arm and being located push block between two bullet arms, bullet arm includes interconnect's main part and lug, the main part is located the quick-operation joint outside and its periphery cover are equipped with the elastomer, the lug is followed well kenozooecium direction protrusion sets up, a interval has between two bullet arms, wherein the interval along the direction of quick-operation joint is narrowed by the width.

Preferably, the elastic module comprises a fixing sleeve, a spring part and a water passing seat, the quick connector and the water passing seat are respectively located at two opposite ends of the fixing sleeve, the spring part is located in the fixing sleeve and located between the quick connector and the water passing seat, and the water passing seat is communicated with the nozzle.

Preferably, the upper surface of the bump is an inclined surface.

Preferably, the ramp is at an acute angle to the normal to the quick connector.

Preferably, a flat pad is disposed between the spring member and the quick connector.

Preferably, the flat pad comprises a body and a support, one end of the body abuts against the boss of the fixed sleeve, and the other end of the body is connected with the support.

Preferably, the periphery of support is provided with the rib of a plurality of equidistance distributions.

Preferably, be provided with a boss in the fixed sleeve, the quick-operation joint outside cover is established and is connected with a rigid coupling piece, the rigid coupling piece includes rigid coupling portion and extension, rigid coupling portion is located the upper and lower both ends of bullet arm just are "mouth" font, the extension is arranged in the boss is in order to incite somebody to action the quick-operation module is fixed the fixed sleeve with in the handle body.

Preferably, the pushing block comprises a longitudinal pushing block and a transverse pushing block, wherein two opposite sides of the transverse pushing block are provided with inclined planes, and the inclined planes respectively abut against the elastic arms.

Preferably, the transverse pushing block is in a trapezoidal shape.

The nozzle quick-change structure of the tooth cleaner of the utility model utilizes the integrated elastic structure and can change the nozzle by one key, thereby being very convenient and quick and having low cost; moreover, as the two elastic arms are utilized to clamp and fix the two sides, the combination is more reliable and stable, the service life is long, the requirements of different family members for replacing different nozzles can be met, the whole tooth cleaner does not need to be replaced, and the tooth cleaner is very environment-friendly and resource-saving.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of the present invention.

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

Fig. 3 is a partially exploded view of the present invention.

Fig. 4 is a perspective view, a top view and a partial cross-sectional view of the quick-connect module of the present invention.

Fig. 5 is a partial cross-sectional view of the combination of the quick connect module and the spring module of the present invention.

Fig. 6 is a schematic diagram of the combining process of the nozzle and the quick-connect module according to the present invention.

Fig. 7 is a schematic cross-sectional view of a specific application of the quick-change nozzle structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to the description and the accompanying drawings of fig. 1 to 6, a quick-change structure of a nozzle of a dental scaler comprises a handle part 1 and a nozzle 2, wherein the outer periphery of the nozzle 2 is concavely provided with a groove 21, preferably, the groove 21 is an annular groove, so that the reliability of clamping alignment is improved; the handle 1 comprises a handle body 11, a waterway assembly 12 positioned in the handle body 11, a quick-connect module 13 positioned at the upper end of the waterway assembly 12 and an elastic module 14 positioned between the waterway assembly 12 and the quick-connect module 13, wherein the quick-connect module 13 comprises a quick connector 131 with a hollow part 13a, elastic arms 132 positioned at the side of the quick connector 131 and symmetrically distributed, and a push block 133 positioned between the two elastic arms 132, preferably, the push block 133 is in a "T" block shape, and then the push block 133 comprises a longitudinal push block 133a and a transverse push block 133b, wherein the two opposite sides of the transverse push block 133b are provided with inclined surfaces which abut against the elastic arms 132, preferably, the transverse push block 133b is in a trapezoid shape, so that the push block 133 can prop open the elastic arms 132 and ensure smooth pushing; the two elastic arms 132 have a gap b therebetween, and the gap b varies along the direction of the quick connector 131 by a width; this bullet arm 132 includes interconnect's main part 132a and lug 132b, and this main part 132a is located the quick-operation joint 131 outside and this its periphery is sunken to be provided with cell body c, and this cell body c endotheca is equipped with elastomer 134, and is preferred, and this elastomer 134 is the spring that returns, as long as of course can realize the elastomer of other shapes that the bullet arm struts or resets also the utility model discloses a protection scope. The protrusion 132b is protruded along the hollow portion 13a of the quick connector 131, so that the nozzle 2 can be clamped and fixed on the handle 1 by the cooperation of the protrusion 132b and the groove 21 when the nozzle 2 is inserted into the quick connector 131.

Further, the elastic module 14 includes a fixed sleeve 141, a spring element 142 and a water passing seat 143, wherein the quick connector 131 and the water passing seat 143 are respectively located at opposite ends of the fixed sleeve 141, the spring element 142 is located in the fixed sleeve 141 and between the quick connector 131 and the water passing seat 143, and the water passing seat 143 is respectively communicated with the waterway assembly 12 and the nozzle 2. Meanwhile, in order to reduce the influence on the quick connector and increase the contact area, a flat pad 144 may be disposed between the spring element 142 and the quick connector 131, such that one end of the spring element 142 is engaged with the flat pad 144 and the other end of the spring element 142 is engaged with the water passing seat 143; the flat gasket 144 has a central hole a, the flat gasket 144 includes a body d and a bracket e, one end of the body d is abutted against the convex wall of the fixing sleeve 141, and the other end is connected with the bracket e; the periphery of this support e has the rib f of a plurality of equidistance distributions to can guarantee the reliability of this spring part work, prevent not hard up. Further preferably, a boss 141a is disposed in the fixing sleeve 141, a fastening member 135 is sleeved and connected to the outside of the quick connector 131, the fastening member 135 includes a fastening portion 135a and an extension portion 135b, the fastening portion 135a is located at the upper and lower ends of the elastic arm 132 and is in a "square" shape, the extension portion 135b is disposed on the boss 141a to fix and position the quick connector module 13 in the fixing sleeve 141 and the handle body 11, wherein the extension portion 135b may have a through hole to ensure connection reliability. Preferably, the protrusion 132b of the elastic arm 132 has an inclined surface g, and the inclined surface g is disposed on the upper surface of the protrusion 132b, i.e. near the inlet of the quick connector 131, and more preferably, the inclined surface a forms an acute angle with the normal h of the quick connector 131. When the nozzle 2 is axially inserted into the quick coupling 131, the elastic arm 132 expands left and right due to the axial force, the elastic body 134 also deforms and expands, the spring member 142 is in a compressed state, and the groove 21 is clamped and fixed by the projection 132 b; when the pushing block 133 is normally biased, the elastic arm 132 and the elastic body 134 are simultaneously deformed and expanded due to the support of the inclined surface g of the protrusion 132b, and at this time, the groove 21 is separated from the protrusion 132b, and the spring member 142 is in an axially expanded state, so that the nozzle 2 is ejected and separated. The nozzle quick-change structure of the tooth cleaner of the utility model utilizes the integrated elastic structure and can change the nozzle by one key, thereby being very convenient and quick and having low cost; moreover, as the two elastic arms are utilized to clamp and fix the two sides, the combination is more reliable and stable, the service life is long, the requirements of different family members for replacing different nozzles can be met, the whole tooth cleaner does not need to be replaced, and the tooth cleaner is very environment-friendly and resource-saving.

The quick-change structure of the nozzle of the dental scaler can be applied to a general dental scaler and also to a structure of a dental scaler described below. Referring to fig. 7, the dental scaler includes a control unit 3 having a water inlet 31 and a water outlet 32, a base 4, a handle 1 and a nozzle 2, the control unit 3 and the handle 1 being connected by a connection pipe 5, preferably, when the scaler is installed, the control unit 1 is installed under a table top, the base 4, the handle 1 and the nozzle 2 are placed on the table top, the bottom of the base 4 is connected with a fixing screw 61, and a fixing member 62 is engaged with the fixing screw 61 to place the base, the handle and the nozzle on the table top. The control device 3 comprises a controller 33, a motor 34 and an electromagnetic valve 35 which are respectively and electrically connected with the controller 33, wherein the motor 34 is connected with a pump group 36, and the electromagnetic valve 35 is arranged at a water inlet 31 of the control device 3; the controller 33 is connected with a power circuit for supplying power, meanwhile, the controller 33 is provided with a motor driving module 33a and a wireless receiving module 33b, and the motor driving module 33a can control the motor 34 to regulate the speed, close or start. A wireless transmitting module 15 is arranged between the waterway assembly 12 of the handle part 1 and the handle body 11, and the wireless transmitting module 15 and the wireless receiving module 33b are matched to enable the controller 33 to control and adjust the switch or the working mode of the tooth cleaner. The structure is simple to operate, low in cost and capable of keeping the cleanness of the table top to the maximum extent.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (10)

1. The quick change structure of the nozzle of the tooth cleaner is characterized by comprising a handle part and the nozzle, wherein a groove is formed in the periphery of the nozzle, the handle part comprises a handle body, a waterway assembly positioned in the handle body, a quick connection module arranged at the upper end of the waterway assembly and an elastic module positioned between the waterway assembly and the quick connection module, the quick connection module comprises a quick connector with a hollow part, elastic arms which are positioned on the side surfaces of the quick connector and are symmetrically distributed and push blocks which are positioned between the elastic arms and are symmetrically distributed, the elastic arms comprise a main body part and a convex block which are connected with each other, the main body part is positioned on the outer side of the quick connector, an elastic body is sleeved on the outer periphery of the main body part, the convex block is arranged in a protruding mode in the direction of the hollow part, an interval is formed between the elastic arms which are symmetrically distributed, and the interval is narrowed by.

2. The quick-change structure of the nozzle of the dental scaler according to claim 1, wherein the elastic module comprises a fixing sleeve, a spring member and a water passing seat, the quick coupling and the water passing seat are respectively positioned at two opposite ends of the fixing sleeve, the spring member is positioned in the fixing sleeve and between the quick coupling and the water passing seat, and the water passing seat is communicated with the nozzle.

3. The quick-change structure of a nozzle of a dental scaler according to any one of claims 1 or 2, wherein the upper surface of said projection is a slope.

4. The quick-change structure of a nozzle of a dental scaler according to claim 3, wherein said inclined surface is at an acute angle to a normal of said quick-change connector.

5. The quick-change structure of a nozzle of a dental scaler according to claim 2, wherein a flat pad is disposed between said spring member and said quick-change connector.

6. The quick-change structure of the nozzle of the dental scaler according to claim 5, wherein the flat gasket comprises a body and a bracket, one end of the body is abutted against the raised wall of the fixing sleeve, and the other end of the body is connected with the bracket.

7. The quick-change structure of the nozzle of the dental scaler according to claim 6, wherein the periphery of the bracket is provided with a plurality of ribs which are distributed at equal intervals.

8. The quick-change structure of the nozzle of the dental scaler according to claim 2, wherein a boss is provided in the fixing sleeve, a fastening member is sleeved on the outside of the quick connector, the fastening member comprises a fastening portion and an extension portion, the fastening portion is located at the upper end and the lower end of the elastic arm and is shaped like a Chinese character 'kou', and the extension portion is arranged on the boss to fix the quick-connection module in the fixing sleeve and the handle body.

9. The quick-change structure of a nozzle of a dental scaler according to claim 1, wherein said push block comprises a longitudinal push block and a transverse push block, wherein opposite sides of said transverse push block have slopes, and said slopes abut against said elastic arms, respectively.

10. The quick-change structure of a nozzle of a dental scaler according to claim 9, wherein said lateral push block has a trapezoidal shape.