CN219126790U

CN219126790U - Movement and tooth-flushing device

Info

Publication number: CN219126790U
Application number: CN202223271106.4U
Authority: CN
Inventors: 刘潇
Original assignee: Fly Cat Electrical Co Ltd
Current assignee: Fly Cat Electrical Co Ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-06-06
Anticipated expiration: 2032-12-07

Abstract

The application provides a core and tooth-flushing device, the core includes casing and water pump assembly, and water pump assembly installs on the casing, and water pump assembly includes the nozzle holder, is provided with first water outlet channel and seal structure on the nozzle holder, is provided with the check valve in the first water outlet channel. The tooth flushing device comprises a shell, a machine core and a nozzle, wherein a containing cavity for loading liquid is formed in the shell, the shell is arranged on the shell, the nozzle is connected with a sealing structure, and the water pump assembly is used for being matched with pumping liquid in the containing cavity to the nozzle. The core of this application embodiment, nozzle holder, check valve and seal structure integrated into one piece, the internals is less, and the assembly is easy, can improve assembly efficiency, can save the cost. The tooth flusher of this application embodiment, overall structure is comparatively simple, can save the cost.

Description

Movement and tooth-flushing device

Technical Field

The application belongs to the technical field of tooth flushers, and more particularly relates to a machine core and a tooth flusher.

Background

The tooth-cleaning device is an auxiliary tool for cleaning the oral cavity, mainly uses the pulse liquid flow impact mode to clean teeth and tooth gaps, and has very wide application. The tooth flushing device comprises a shell, a machine core and a nozzle, wherein the machine core is arranged on the shell, a nozzle seat is arranged on the machine core, the nozzle is arranged on the nozzle seat, liquid for spraying is filled in the shell, and the machine core sucks the liquid in the shell and sprays the liquid from the nozzle so as to clean an oral cavity. In the existing tooth flushing device, a sealing ring and a one-way valve are arranged at the connecting part of a machine core and a nozzle seat, the sealing ring and the one-way valve are all single parts, the whole structure of the machine core is complex, the number of internal parts is large, the assembly is more troublesome, and the cost is high.

Disclosure of Invention

An aim of the embodiment of the application is to provide a core and tooth flushing device to solve the core that exists among the prior art and be provided with first sealing washer and check valve with the place that the nozzle is connected, core overall structure is comparatively complicated, and internals is more, and the assembly is more troublesome, the higher technical problem of cost.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows: provided are a movement and a dental sealer, comprising:

a housing; the method comprises the steps of,

the nozzle seat is arranged on the shell, a first water outlet channel and a sealing structure for sealing connection with the nozzle are arranged on the nozzle seat, and a one-way valve is arranged in the first water outlet channel; the method comprises the steps of,

the water pump assembly is arranged on the shell and used for pumping out liquid of the tooth flushing device, the water pump assembly comprises a nozzle seat, a first water outlet channel and a sealing structure used for being connected with the nozzle in a sealing mode are arranged on the nozzle seat, and a one-way valve used for controlling water flow to flow out of the first water outlet channel in a one-way mode is arranged in the first water outlet channel.

In one embodiment, the sealing structure includes a first annular protrusion provided on an inner wall surface of the first water outlet passage; and/or the sealing structure comprises a second annular protrusion arranged on the outer circumferential surface of the nozzle seat.

In one embodiment, the water pump assembly includes:

the nozzle seat is connected to the pump body;

the valve assembly is arranged on the shell, connected with the pump body and used for controlling water flow to enter the second water outlet channel in a unidirectional way;

the piston piece is connected in the piston channel in a sliding way;

and the driving assembly is arranged on the shell and connected with the piston piece, and the driving assembly is used for driving the piston piece to reciprocate in the piston channel.

In one embodiment, an annular limiting protrusion is arranged on the outer peripheral surface of one end of the nozzle seat, and the other end of the nozzle seat is inserted into the second water outlet channel.

In one embodiment, the annular limiting protrusion is provided with a first annular groove, and one end of the pump body is inserted into the first annular groove.

In one embodiment, a cylindrical piston cylinder is arranged in the piston channel, and the piston member is slidingly connected in the piston cylinder.

In one embodiment, a water inlet connector is arranged on the shell, a second water inlet channel is arranged in the water inlet connector, and the valve assembly is connected between the first water inlet channel and the second water inlet channel.

In one embodiment, the drive assembly includes:

a connecting rod hinged with the piston member;

the crankshaft is rotationally connected with the connecting rod;

the center of the fluted disc is connected with the crankshaft and is used for driving the crankshaft to rotate;

the gear is meshed with the fluted disc and is used for driving the fluted disc to rotate;

and the motor is connected with the gear and used for driving the gear to rotate, and the motor is arranged on the shell.

In one embodiment, the piston cylinder is of stainless steel.

In one embodiment, the valve assembly comprises:

the blocking piece is blocked at one end, close to the first water inlet channel, of the second water inlet channel;

and one end of the spring is connected to the pump body, and the other end of the spring is abutted against the blocking piece.

In one embodiment, the pump body is provided with a connecting protrusion, the connecting protrusion is provided with a second annular groove, a first sealing ring is arranged in the second annular groove, the casing is provided with a slot for the connecting protrusion to be inserted into, the second water inlet channel is communicated with the slot, and the first sealing ring is abutted against the inner wall of the slot.

Another object of the present application is to provide a dental rinse comprising:

a housing having a receiving chamber for receiving a liquid therein;

the machine core is arranged on the shell, and one end of the water pump assembly extends into the accommodating cavity;

and the nozzle is connected with the sealing structure, and the water pump assembly is used for pumping the liquid in the accommodating cavity to the nozzle.

The beneficial effect of core that this application embodiment provided lies in: compared with the prior art, the movement of this application embodiment, nozzle holder, check valve and seal structure integrated into one piece, overall structure is comparatively simple, and internals is less, and the assembly is easy, can improve assembly efficiency, can save the cost.

The beneficial effect of the tooth flusher that this application embodiment provided lies in: compared with the prior art, the tooth flusher of this application embodiment has used foretell core, and water pump assembly can cooperate the check valve to take out the liquid of holding intracavity to the nozzle, and overall structure is comparatively simple, can save the cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a movement provided in an embodiment of the present application;

FIG. 2 is a cross-sectional view of a cartridge provided in an embodiment of the present application;

fig. 3 is an exploded view of a movement according to an embodiment of the present disclosure;

FIG. 4 is a cross-sectional view of a nozzle holder of a cartridge provided in an embodiment of the present application;

fig. 5 is a cross-sectional view of a pump body of a cartridge provided in an embodiment of the present application;

fig. 6 is a cross-sectional view of a dental rinse provided in an embodiment of the present application.

Wherein, each reference sign in the figure:

1. a movement;

11. a housing; 111. a water inlet joint; 1111. a second water inlet channel; 1112. a water inlet pipe; 112. a slot; 113. a front case; 114. a rear case;

12. a nozzle holder; 121. a first water outlet channel; 122. a sealing structure; 1221. a first annular projection; 1222. a second annular projection; 123. a one-way valve; 124. annular limiting protrusions; 1241. a first annular groove;

13. a water pump assembly; 131. a pump body; 1311. a first water inlet channel; 1312. a second water outlet channel; 1313. a piston passage; 1314. a connection protrusion; 1315. a second annular groove;

132. a valve assembly; 1321. a blocking member; 1322. a spring;

133. a piston member; 1331. a connecting block; 1332. a piston; 1333. a second seal ring; 1334. a third annular groove;

134. a drive assembly; 1341. a motor; 1342. a gear; 1343. fluted disc; 1344. a crankshaft; 1345. a connecting rod;

135. a piston cylinder; 136. a first seal ring;

2. a housing; 21. a receiving chamber; 3. and (3) a nozzle.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Reference in the specification to "one embodiment," "some embodiments," or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1, fig. 2, and fig. 3, a movement provided in an embodiment of the present application will now be described. The cartridge 1 comprises a housing 11 and a water pump assembly 13. The housing 11 includes a front housing 113 and a rear housing 114, and is of a split type structure for easy processing for packaging internal parts. A water pump assembly 13 is mounted on the housing 11, the water pump assembly 13 being used to pump the liquid of the dental irrigator. The water pump assembly 13 comprises a nozzle seat 12, a first water outlet channel 121 and a sealing structure 122 are arranged on the nozzle seat 12, the sealing structure 122 is used for being in sealing connection with the nozzle 3, a one-way valve 123 is arranged in the first water outlet channel 121, and the one-way valve 123 is used for controlling water flow to enter the first water outlet channel 121 in a one-way mode. The nozzle seat 12 is made of soft rubber, so that the normal operation of the one-way valve 123 can be ensured, and the sealing effect of the sealing structure 122 can be ensured.

The movement 1 of this application embodiment, nozzle holder 12, check valve 123 and seal structure 122 integrated into one piece, overall structure is comparatively simple, and internals is less, and the assembly is easy, can improve assembly efficiency, can save the cost.

In one embodiment, referring to fig. 1, 2, 3 and 4, the sealing structure 122 includes a first annular protrusion 1221, the first annular protrusion 1221 being disposed on an inner wall surface of the first water outlet passage 121. The nozzle 3 may be inserted into the first water outlet passage 121, and the outer wall surface of the nozzle 3 abuts against the first annular protrusion 1221 to achieve a sealing effect. The sealing structure 122 may further include a second annular protrusion 1222, where the second annular protrusion 1222 is disposed on the outer peripheral surface of the nozzle seat 12, the nozzle 3 is sleeved on the nozzle seat 12, and an inner wall surface of the nozzle 3 abuts against the second annular protrusion 1222 to achieve a sealing effect.

The first annular protrusion 1221 and the second annular protrusion 1222 may be simultaneously provided, one end of the nozzle 3 may be provided with an annular groove, and the first annular protrusion 1221 and the second annular protrusion 1222 abut against two inner walls of the annular groove, so as to realize double sealing, and the sealing effect is better.

When the first annular protrusion 1221 and the second annular protrusion 1222 are simultaneously provided, one end of the nozzle 3 is inserted into the first water outlet passage 121, and the outer wall of the nozzle 3 abuts against the first annular protrusion 1221 to realize sealing. The second annular projection 1222 is adapted for sealing connection with the shell 2 of the dental impactor.

In one embodiment, referring to fig. 2, 3 and 5, the water pump assembly 13 further includes a pump body 131, a valve assembly 132, a piston member 133 and a drive assembly 134. The pump body 131 is hollow, and the pump body 131 is of a three-way structure. The pump body 131 has a first water intake passage 1311, a second water outlet passage 1312, and a piston passage 1313, and the first water intake passage 1311, the second water outlet passage 1312, and the piston passage 1313 communicate. The first water inlet channel 1311, the second water outlet channel 1312 and the piston channel 1313 may be provided in a Y-shape, communicating in the middle of the pump body 131. The first water inlet channel 1311 and the second water outlet channel 1312 can also be communicated with two ends of the piston channel 1313, and the valve assembly 132 is arranged on the piston member 133 to control water flow to flow into the second water outlet channel 1312 in one way.

The nozzle holder 12 is connected to the pump body 131. A valve assembly 132 is mounted on the housing 11, the valve assembly 132 being connected to the pump body 131, the valve assembly 132 being adapted to control the unidirectional flow of water into the second water outlet channel 1312. The piston member 133 is slidably coupled within the piston channel 1313, and the drive assembly 134 is mounted to the housing 11, with the drive assembly 134 coupled to the piston member 133. The drive assembly 134 is used to drive the reciprocating movement of the piston member 133 within the piston channel 1313. The driving component 134 drives the piston member 133 to move backwards in the piston channel 1313, so that the internal pressure of the pump body 131 is controlled to be reduced, suction force is generated, and liquid flows into the pump body 131 from the first water inlet channel 1311 through the guiding effect of the valve component 132 and the one-way valve 123; the driving assembly 134 drives the piston member 133 to move forward in the piston channel 1313, so as to control the internal pressure of the pump body 131 to be increased, generate thrust, and realize that liquid flows along the second water outlet channel 1312 to the first water outlet channel 121 through the guiding effect of the valve assembly 132 and the one-way valve 123.

In one embodiment, referring to fig. 2, 3, 4 and 5, an annular limiting protrusion 124 is disposed on the outer peripheral surface of one end of the nozzle seat 12, and the other end is inserted into the second water outlet channel 1312. The annular limiting protrusion 124 can limit the length of the nozzle holder 12 inserted into the second water outlet channel 1312, ensure the assembly accuracy, and prevent the nozzle holder 12 from shielding the first water inlet channel 1311.

In one embodiment, referring to fig. 2, 3, 4 and 5, the annular limiting protrusion 124 is provided with a first annular groove 1241, and one end of the pump body 131 is inserted into the first annular groove 1241. The nozzle seat 12 is soft rubber material, and pump body 131 one end is pegged graft in first annular groove 1241, and the internal face of second water outlet channel 1312 and one internal face contact seal of first annular groove 1241, the outer peripheral face of pump body 131 and another internal face contact seal of first annular groove 1241 can ensure sealed effect between nozzle seat 12 and the pump body 131.

In one embodiment, referring to fig. 2 and 3, a piston cylinder 135 is disposed within the piston channel 1313, the piston cylinder 135 being cylindrical, and the piston member 133 being slidably coupled within the piston cylinder 135. The piston member 133 moves back and forth in the piston cylinder 135, the piston cylinder 135 has larger loss, and the piston cylinder 135 and the pump body 131 are arranged to be detachable, so that the piston cylinder 135 can be conveniently disassembled and replaced.

In one embodiment, referring to fig. 2, 3 and 5, the housing 11 is provided with a water inlet connector 111, a second water inlet channel 1111 is provided in the water inlet connector 111, and the valve assembly 132 is connected between the first water inlet channel 1311 and the second water inlet channel 1111. The water inlet connector 111 is directly arranged on the shell 11, so that the water inlet connector 111 is not required to be additionally assembled on the shell 11, internal parts are reduced, the assembly is more convenient, and the cost can be saved.

In one embodiment, referring to fig. 2 and 3, drive assembly 134 includes a motor 1341, a gear 1342, a toothed disc 1343, a crankshaft 1344, and a connecting rod 1345. The motor 1341 is mounted on the housing 11, and the gear 1342 is connected to the motor 1341, and the motor 1341 drives the gear 1342 to rotate. A toothed disc 1343 is rotatably coupled to the housing 11, the toothed disc 1343 engaging the gear 1342. A toothed disc 1343 is centrally connected to crankshaft 1344 for driving rotation of crankshaft 1344. A connecting rod 1345 has one end rotatably connected to a crankshaft 1344 and the other end hinged to the piston member 133. The axial direction of the motor 1341 may coincide with the moving direction of the piston member 133, and the toothed plate 1343 includes teeth provided at side edges of the toothed plate 1343, the teeth being engaged with the gear 1342. The tooth part and the crankshaft 1344 are positioned on the same side of the fluted disc 1343, so that the space utilization rate can be improved, and the miniaturized design of the movement 1 is facilitated. The motor 1341 drives the gear 1342 to rotate, and thus drives the fluted disc 1343 to rotate, and the crankshaft 1344 drives the connecting rod 1345 to move, so that the distance between one end of the connecting rod 1345 and the motor 1341 becomes larger or smaller, and further drives the piston member 133 to reciprocate back and forth in the piston channel 1313.

In one embodiment, referring to fig. 2 and 3, the piston cylinder 135 is made of stainless steel, and has higher strength, higher temperature resistance, corrosion resistance, and less friction resistance, so that the piston member 133 works more efficiently. And the stainless steel piston cylinder 135 is arranged, so that the piston cylinder 135 can be thinner, the space utilization rate is high, and the miniaturized design of the movement 1 is facilitated.

In one embodiment, referring to fig. 2, 3 and 5, the valve assembly 132 includes a closure 1321 and a spring 1322. The blocking piece 1321 is blocked at one end of the second water inlet channel 1111, which is close to the first water inlet channel 1311, one end of the spring 1322 is connected to the pump body 131, and the other end of the spring is abutted against the blocking piece 1321. When suction is generated in the pump body 131, the liquid can push the blocking piece 1321 away, the spring 1322 is pressed, and the liquid flows into the first water inlet channel 1311 along the second water inlet channel 1111; when thrust is generated in the pump body 131, the spring 1322 presses the blocking piece 1321 to abut against one end of the second water inlet channel 1111, and the liquid flows into the first water outlet channel 121 along the check valve 123.

The plugging piece 1321 can be a glass bead, and the valve plate is replaced by the plugging piece 1321 and the spring 1322, so that the quality risks of low water pressure, slow water feeding and the like caused by frequent water pressure collision with the valve plate for many times are reduced.

In one embodiment, referring to fig. 2, 3 and 5, the pump body 131 is provided with a connection protrusion 1314, the housing 11 is provided with a slot 112, the connection protrusion 1314 is inserted into the slot 112, and the second water inlet channel 1111 communicates with the slot 112. The connection protrusion 1314 is provided with a second annular groove 1315, and a first sealing ring 136 is disposed in the second annular groove 1315, and the first sealing ring 136 abuts against the inner wall of the slot 112. Coupling boss 1314 is provided to couple to receptacle 112 to facilitate mounting of valve assembly 132 between first intake passage 1311 and second intake passage 1111. The first sealing ring 136 is sleeved on the connecting protrusion 1314, the first sealing ring 136 abuts against the slot 112, sealing connection between the connecting protrusion 1314 and the slot 112 is guaranteed, and normal operation of the valve assembly 132 is guaranteed.

In one embodiment, referring to fig. 2 and 3, the piston member 133 includes a connection block 1331, a piston 1332, and a second seal ring 1333, one end of the connection block 1331 is connected to the connection rod 1345 by a pin, and the other end of the connection block 1331 is connected to the piston 1332. The connecting block 1331 is provided with a third annular groove 1334, the second sealing ring 1333 is mounted on the third annular groove 1334, the piston 1332 and the second sealing ring 1333 are abutted against the inner wall of the piston cylinder 135, and the piston 1332 and the second sealing ring 1333 are slidably connected in the piston cylinder 135. The connecting block 1331 drives the piston 1332 to reciprocate in the piston cylinder 135, so as to control the pressure change in the pump body 131, and the liquid of the extracted tooth washer is sprayed out along the nozzle 3.

Another object of an embodiment of the present application is to provide a dental impactor, referring to fig. 1, 2, 3 and 6, which includes a housing 2, a movement 1, a nozzle 3, a battery, a circuit board and a water inlet pipe 1112. The housing 2 is provided with a receiving chamber 21 inside, the receiving chamber 21 being for loading liquid. The battery and the circuit board are installed in the shell 2, the circuit board is electrically connected with the battery, the circuit board is electrically connected with the motor 1341, keys are arranged on the shell 2, and the keys control the water pump assembly 13 to work. The shell 11 of the movement 1 is arranged on the shell 2, one end of the water inlet pipe 1112 is connected with the water inlet joint 111, and the other end extends into the accommodating cavity 21. The nozzle 3 is connected with a sealing structure 122, and the water pump assembly 13 is used for pumping the liquid in the accommodating cavity 21 to the nozzle 3.

The tooth flushing device of the embodiment of the application uses the movement 1, the water pump assembly 13 can be matched with the one-way valve 123 to pump the liquid in the accommodating cavity 21 to the nozzle 3, the whole structure is simpler, and the cost can be saved.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. A movement, comprising:

a housing; the method comprises the steps of,

2. The cartridge of claim 1, wherein the sealing structure comprises a first annular protrusion provided on an inner wall surface of the first water outlet channel; and/or the sealing structure comprises a second annular protrusion arranged on the outer circumferential surface of the nozzle seat.

3. A cartridge according to claim 1 or 2, wherein the water pump assembly further comprises:

the nozzle seat is connected to the pump body;

the piston piece is connected in the piston channel in a sliding way;

the driving assembly is arranged on the shell and connected with the piston piece, and the driving assembly is used for driving the piston piece to reciprocate in the piston channel.

4. A cartridge according to claim 3, wherein an annular limiting projection is provided on an outer peripheral surface of one end of the nozzle holder, and the other end is inserted into the second water outlet passage.

5. A cartridge according to claim 3, wherein a piston cylinder is provided in the piston channel, the piston member being slidably connected in the piston cylinder.

6. A cartridge according to claim 3, wherein the casing is provided with a water inlet connector connected to the pump body, and a second water inlet channel communicating with the first water inlet channel is provided in the water inlet connector.

7. A cartridge according to claim 3, wherein the drive assembly comprises:

a connecting rod hinged with the piston member;

the crankshaft is rotationally connected with the connecting rod;

8. The movement of claim 4, wherein the annular stop projection is provided with a first annular groove, and one end of the pump body is inserted into the first annular groove.

9. The cartridge of claim 6, wherein the valve assembly comprises:

10. A dental irrigator, comprising:

a housing having a receiving chamber for receiving a liquid therein;

a cartridge according to any one of claims 1 to 9, wherein the casing is mounted on the housing, and one end of the water pump assembly extends into the receiving chamber;