CN217448631U - Atomizer and electron oral cavity atomizer - Google Patents

Abstract

The utility model relates to an oral care articles for use field indicates an atomizer and electron oral cavity atomizer especially, this atomizer, adaptor including micropore shower nozzle and installation micropore shower nozzle, the adaptor both ends seted up the feed liquor hole respectively and go out the liquid hole, micropore shower nozzle suit in going out the liquid hole, the central zone of micropore shower nozzle be equipped with at least one micropore, the micropore follow feed liquor hole and be equipped with in proper order and spray runner and tapered inclined plane to going out the liquid hole direction. This electron oral cavity atomizer, including organism and cover, the organism include fuselage, aircraft nose, the aircraft nose including the hemisphere head that is equipped with the blowout port, hemisphere head in be equipped with atomizer, atomizer and blowout port set up relatively. The utility model discloses need not be with the help of atomizing module, through the less water droplet of the particle diameter of microporous structure blowout between water column and spraying effect, the impact force is less, can not arouse the discomfort, has very big promotion simultaneously in noise reduction, prevention of liquid leakage function.

Description

Atomizer and electron oral cavity atomizer

Technical Field

The utility model relates to an oral care articles for use field indicates an atomizer and electron oral cavity atomizer especially.

Background

At present, some portable oral sprayers are available in the market and used for freshening breath or treating stomatitis, dental ulcer, sphagitis and the like, and liquid particles sprayed by the existing oral sprayers have larger particle diameter ratio, are more wasteful and are not convenient for oral absorption. Two common oral sprayers are provided, one is manual pressing spray, which is labor-consuming in pressing and cannot be continuously sprayed once, and due to the fact that liquid is sprayed out by air pressure, puff noise is generated; one is electronic mouth spraying, and the high-oscillation atomizing sheet is arranged at the spraying port, so that wave is generated by oscillation, but the defects of serious liquid leakage, high noise and high manufacturing cost exist.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides an atomizer and electron oral cavity atomizer.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an atomizing nozzle, includes micropore shower nozzle and the adaptor of installation micropore shower nozzle, the adaptor both ends seted up feed liquor hole and play liquid hole respectively, micropore shower nozzle suit in going out the liquid hole, the central zone of micropore shower nozzle be equipped with at least one micropore, the micropore follow feed liquor hole to going out the liquid hole direction on be equipped with in proper order and spray runner and tapered inclined plane. The utility model discloses an atomizer is because of external force, high temperature, and the burden atmospheric pressure is placed naturally and is leaded to weeping scheduling problem, the utility model discloses the shower nozzle adopts microporous structure, because the micropore is minimum, is unable blowout or outflow from the micropore under depositing in-process fluid and not having the suction pump to start, and the micropore forms the atomizing drop with high-speed fluid cutting simultaneously, and the blowout forms the water smoke effect in the twinkling of an eye, compares the current atomizer that produces "wave flower" by the oscillation, low in manufacturing cost.

Preferably, the diameter d of the injection flow passage is 0.05 MM-0.2 MM.

Preferably, a fluid pressurizing channel is arranged between the liquid inlet hole and the liquid outlet hole of the adapter, the overflowing section of the fluid pressurizing channel gradually becomes smaller from the liquid inlet hole to the liquid outlet hole, the micropore sprayer is sleeved in the liquid outlet hole to form a pressurizing water outlet fine gap with the adapter, and fluid is provided with power by a water suction pump, flows through the fluid pressurizing channel from the liquid inlet hole to the liquid outlet hole in sequence, and is sprayed out from the micropores after flowing through the pressurizing water outlet fine gap.

Preferably, the lower surface of the micropore nozzle is recessed towards the micropore direction to form an installation groove, a flow-resisting boss is arranged in the fluid pressurizing channel, and the flow-resisting boss is embedded into the installation groove and forms a pressurizing water outlet fine gap with the inner wall surface of the installation groove.

Preferably, the flow blocking boss divides the fluid pressurizing passage into a first pressurizing chamber and a second pressurizing chamber, the flow blocking boss is provided with a slope wall, the slope wall is inclined from an overflowing section vertical to the first pressurizing chamber, and the slope wall enables a tapered spray neck to be formed at the joint of the first pressurizing chamber and the second pressurizing chamber.

The utility model provides an electron oral cavity atomizer, includes organism and cover, the organism include fuselage, aircraft nose, the cover articulated with the organism flip, cover the aircraft nose during closure, the aircraft nose including the hemisphere head that is equipped with the spout, its characterized in that, hemisphere head in be equipped with atomizer, atomizer sets up with the spout relatively.

In order to solve the noise that current oral cavity atomizer is puffing pressing to produce, preferably, the fuselage include the suction pump, the power supply unit is connected to the suction pump, inlet tube intercommunication stock solution container is passed through to suction pump one end, and the other end passes through outlet pipe intercommunication atomizer, the pipe length of outlet pipe is shorter than the inlet tube, and the pipe length L of outlet pipe equals to be less than 15 mm. The water pump provides power for the fluid to enable the fluid to form high-speed fluid, the high-speed fluid passes through the micropores of the atomizing nozzle, the high-speed fluid is cut by the micropores after reaching the micropores to form atomized water drops, the atomized water drops are instantly sprayed out to form water mist, and the water mist is sprayed out from the spraying port, so that no noise is generated in the process.

In order to solve the problem that the existing pressing is very laborious and cannot be continuously carried out once, namely, the spraying is carried out once, preferably, a magnet is arranged at the top of the inner surface of the machine cover, and a Hall sensor corresponding to the magnet in position is arranged in the machine head. When the cover is opened, the electronic oral spray device is automatic, so that the medicine can be continuously sprayed without continuous or repeated pressing of hands.

Preferably, the bottom of the machine body is provided with a detachable liquid storage container, a water outlet of the liquid storage container is provided with a one-way valve core, and the top surface of the one-way valve core is provided with a cross-shaped through hole.

Preferably, the stock solution container on through water piping connection head and advance water piping connection, water piping connection head on be equipped with rapid disassembly structure, rapid disassembly structure include the clamping jaw, the clamping jaw symmetry locate water piping connection head both ends, the fuselage bottom is equipped with the embedded groove, two clamping jaws can be dismantled with the embedded groove and be connected.

The beneficial effects of the utility model reside in that: present shower nozzle spun is water silk or water droplet or water column, and need reach the spraying effect and then need the atomizing module, the utility model discloses need not be with the help of atomizing module, through the less water droplet of the particle diameter of microporous structure blowout between water column and spraying effect, the impact force is less, can not arouse uncomfortably, the fluid is earlier through the tiny injection runner in aperture, in the twinkling of an eye of conical inclined plane spun, forms the less water droplet of the particle diameter of great diffusion area, similar atomization effect, simple structure, low in manufacturing cost.

In order to enable the atomization effect of the atomizer to be closer to the atomization effect of an atomization module, the Venturi effect principle that the flow velocity of fluid is increased when the fluid passes through a reduced overflowing section is utilized, a fluid pressurizing channel with the overflowing section gradually reduced from a liquid inlet to a liquid outlet is designed in the atomizer, the fluid sequentially flows through the fluid pressurizing channel from the liquid inlet to the liquid outlet and is pressurized to form high-speed fluid after water fine gaps exist, the high-speed fluid reaches micropores and is cut by the micropores to form atomized water drops, the atomized water drops are instantly sprayed out to form water mist, the water mist is sprayed out from a spraying port, the better atomization effect can be achieved, and the atomized liquid enters an oral cavity and is rapidly absorbed by the oral cavity.

The utility model discloses atomizer is used at electron oral cavity atomizer, can continuously spray automatically and the noise is small, when depositing naturally spout and has stopped the weeping relatively ordinary electron mouth remarkably.

Drawings

Fig. 1 is a structural diagram of the electronic oral cavity spraying device of the present invention.

Fig. 2 is a cross-sectional view a-a of fig. 1.

Fig. 3 is a sectional view of B-B in fig. 1.

Fig. 4 is a schematic view of the liquid storage container and the inner housing of the electric oral cavity spraying device of the present invention.

Fig. 5 is a structural view of the electronic oral cavity spraying device of the present invention.

Fig. 6 is a structural diagram of a liquid storage container of the electronic oral cavity spraying device of the present invention.

Fig. 7 is a cross-sectional view of the reservoir of the electronic oral spray device of the present invention.

Fig. 8 is a schematic view of the assembly of the water pump, the liquid storage container and the atomizer of the electronic oral cavity spraying device of the present invention.

Fig. 9 is a structural view of a head of the electronic oral cavity spraying device of the present invention.

Fig. 10 is a diagram of the structure of the lid of the electric oral spray device of the present invention.

Fig. 11 is a structural view of the atomizer of the present invention.

Fig. 12 is a sectional view of the atomizing nozzle of the present invention.

Fig. 13 is an enlarged view at C in fig. 12.

Fig. 14 is an exploded view of the atomizer of the present invention.

Fig. 15 is a structural view of an adapter of the atomizer of the present invention.

FIG. 16 is a structural view of a micro-hole nozzle of the atomizer of the present invention.

Description of the labeling: 1. a machine cover; 11. a hinge joint; 12. a connecting shaft; 13. a spring; 14. a magnet; 2. a body; 21. a body; 211. an outer housing; 2111. a card slot; 212. an inner housing; 2121. clamping the strip; 2122. a first inner case; 2123. a second inner case; 2124. a groove is embedded; 2131. a water pump; 2132. a water inlet pipe; 2133. a water outlet pipe; 2142. a circuit board; 2143. a charging port; 22. a machine head; 221. a hemispherical head; 222. an ejection port; 223. a slotted hinge; 224. hinging a shaft; 225. a Hall sensor; 23. a detachable tail cap; 231. a reservoir; 2311. a water outlet; 2312. a reservoir chamber; 232. a water pipe connector; 233. a pipe body; 234. a one-way valve core; 3. an atomizing spray head; 31. an adapter; 311. a liquid inlet hole; 312. a liquid outlet hole; 3131. a first pressurized chamber; 3132. a flow choking boss; 3133. a sloped wall; 3134. a second pressurized chamber; 32. a microporous showerhead; 321. micropores; 322. a tapered bevel; 323. mounting grooves; 324. an injection flow channel; 33. pressurizing the water outlet gap.

Detailed Description

Referring to fig. 1-16, the present invention relates to an electronic oral cavity spraying device, which comprises a body 2 and a cover 1, wherein the body 2 comprises a body 21, a head 22 and a detachable tail cover 23, the cover 1 is hinged with the body 2 in a flip-type manner, and the cover 1 covers the head 22 when closed.

The body 21 includes an inner case 212, an outer case 211, a suction pump 2131, and a power supply unit (not shown),

the outer shell 211 is a hollow cylinder with two open ends, the inner wall of the outer shell 211 is provided with a plurality of slots 2111,

the outer surface of the inner housing 212 is provided with a plurality of locking strips 2121 matching with the locking slots 2111, the inner housing 212 is assembled in the outer housing 211 by the locking strips 2121, the inner housing 212 comprises a first inner housing 2122 and a second inner housing 2123, the first inner housing 2122 and the second inner housing 2123 are detachably connected by a locking and locking structure (the locking and locking structure is prior art and is not described in detail herein), the first inner housing 2122 and the second inner housing 2123 enclose an accommodating space with an upper end opening, the water pump 2131, a power supply unit (not shown in the figure) and a control unit (not shown in the figure) are arranged in the accommodating space,

the water pump 2131 is connected with a power supply unit (not shown), one end of the water pump 2131 is communicated with the liquid storage container 231 through a water inlet pipe 2132, the other end of the water pump 2133 is communicated with the atomizing nozzle 3 through a water outlet pipe 2133, and the atomizing nozzle 3 is used for enabling liquid to form water mist. In order to minimize the residual liquid in outlet pipe 2133, pipe length L of outlet pipe 2133 is controlled to be within 15mm and shorter than inlet pipe 2132. When the water flow of the water pump is more than 40ML per minute, a better atomization effect can be achieved.

The power supply unit comprises a battery (not shown), a circuit board 2142 and a charging port 2143 which are sequentially connected, the battery is electrically connected with the circuit board 2142, the circuit board 2142 is connected with the water pump 2131 and used for driving/controlling the water pump 2131 to operate, and the external power supply can be directly connected through the charging port 2143, so that the battery is repeatedly charged, the battery does not need to be replaced, the machine body 21 can be recycled, and the environment protection is facilitated.

The head 22 includes a hemispherical head 221 having a discharge port 222, the atomizing head 3 is provided in the hemispherical head 221, the atomizing head 3 is disposed opposite to the discharge port 222, a groove-shaped hinge 223 is provided at one side of the hemispherical head 221, and a hinge 224 is provided in the groove-shaped hinge 223. Correspondingly, the cover 1 is provided with a hinge 11 extending into the groove-shaped hinge 223 and connected with the hinge shaft 224. The cover 1 is hinged to the head 22 by means of a hinge 11 and a hinge axis 224 for opening and closing. The slotted hinge 223 is further provided with a cover supporting mechanism for connecting the hinge 11, which includes a connecting shaft 12 hinged to the hinge 11 and a spring 13 sleeved on the connecting shaft 12. The uncovering support mechanism can provide certain support force when the cover 1 is opened, so that the cover 1 is kept in an open state for convenient use.

Specifically, in an illustrated embodiment, a magnet 14 is disposed on the top of the inner surface of the cover 1 and on a side away from the hinge portion, and a hall sensor 225 corresponding to the magnet 14 is disposed in the head 22, so that when the cover 1 is opened, the hall sensor 225 provides a corresponding level signal to the circuit board 2142 to indicate the opening state of the cover 1, and the circuit board 2142 controls the suction pump 2131 to perform a corresponding action. For example, when the cover 1 is detected to be opened, the atomizing nozzle 3 is controlled to automatically operate for 0.5-3 seconds and then stop working.

The atomizing nozzle 3 comprises a microporous nozzle 32 for atomizing liquid and an adapter 31 for mounting the microporous nozzle 32, wherein two ends of the adapter 31 are respectively provided with a liquid inlet 311 and a liquid outlet 312, the microporous nozzle 32 is sleeved in the liquid outlet 312 and is in interference fit with the liquid outlet 312, i.e. the microporous nozzle 32 seals the liquid outlet 312, the central region of the microporous nozzle 32 is provided with at least one micropore 321 which penetrates through the upper and lower surfaces of the microporous nozzle 32, the micropore 321 is an inverted cone-shaped structure gradually increasing from the liquid inlet to the liquid outlet, a cone-shaped inclined surface 322 is formed on the surface of the adapter 31, the micropore 321 corresponds to the position of the ejection port 222, the diameter d of each micropore 321 is 0.05 MM-0.2 MM, the lower surface 323 which is formed by inward sinking of the microporous nozzle 32 facing the direction of the micropore 321, a fluid pressurizing channel is arranged between the liquid inlet 311 and the liquid outlet 312 of the adapter 31, and the fluid pressurizing channel is sequentially provided with a first pressurizing cavity 3131, a second pressurizing cavity, a liquid pressurizing channel, and a liquid pressurizing channel, wherein the first pressurizing channel is arranged from the liquid pressurizing channel from the liquid inlet 311 to the liquid outlet 312, A second pressurizing chamber 3134, a flow-resisting boss 3132 is arranged in the second pressurizing chamber 3134, the flow-resisting boss 3132 has a inclined surface wall 3133, the inclined surface wall 3133 is inclined from the flow-passing section perpendicular to the first pressurizing chamber 3131, so that the flow-passing section of the second pressurizing chamber 3134 is gradually reduced from the liquid inlet hole 311 to the liquid outlet hole 312, the inclined surface wall 3133 forms a tapered nozzle at the junction of the first pressurizing chamber 3131 and the second pressurizing chamber 3134, and the flow-resisting boss 3132 is inserted into the mounting groove 323 and forms a pressurized water outlet gap 33 with the inner wall surface of the mounting groove 323.

Fluid with certain power provided by a water pump enters the micropores 321 through the liquid inlet 311, the high-speed fluid is cut by the micropores 321 to form water drops with smaller particle sizes after reaching the micropores 321, the water drops with smaller particle sizes firstly pass through the jet flow channel 324, and the walking distance of the water drops with smaller particle sizes in the jet flow channel 324 has certain influence on the atomization effect.

Due to the venturi effect, when high-speed fluid flows through the reduced flow cross section, the flow velocity of the fluid is increased, and the structure of the fluid pressurizing channel and the pressurized water outlet fine gap 33 are arranged, so that the fluid forms high-speed fluid in the adapter 31, and the high-speed fluid is cracked into atomized water drops with smaller particle size after contacting the micropores 321.

Preferably, the number of the micro-holes 321 on the central region of the micro-hole spraying head 32 may be plural, and is in the range of 1 to 9.

The flow cross section is a cross section taken perpendicular to the stream line cluster and is called the flow cross section. The area of the flow cross-section is denoted by A. When the streamline clusters are not parallel to each other, the overflowing section is a curved surface; when the stream line clusters are mutually parallel straight lines, the flow cross section is a plane. The volume of fluid passing through a flow cross-section per unit time is called the flow rate, and is denoted by Q, and has the unit m 3/s.

The venturi effect is a phenomenon that the flow velocity of the fluid is increased when the limited flow passes through a reduced flow cross section, and the flow velocity is inversely proportional to the flow cross section.

The water outlet 2311 of the liquid storage container 231 is connected with the water inlet pipe 2132 through the water pipe connector 232, one end of the water pipe connector 232 is connected with the water inlet pipe 2132, the other end of the water pipe connector 232 is connected with the water outlet 2311 of the liquid storage container 231, the water pipe connector 232 is provided with the pipe body 233, the pipe body 233 is communicated with the liquid storage cavity 2312 of the liquid storage container 231, the water outlet 2311 of the liquid storage container 231 is provided with the check valve spool 234, the top surface of the check valve spool 234 is provided with a cross-shaped through hole, the pipe body 233 penetrates through the check valve spool 234 to be inserted into the liquid storage cavity 2312, the check valve spool 234 is opened under the action of external force outside the liquid storage container 231, namely when the water pipe connector 232 is in butt joint with the check valve spool 234, the check valve spool 234 jacks the check valve spool 234, and when the liquid storage container 231 is not installed on the machine body 21, liquid in the liquid storage cavity 2312 is sealed by the check valve spool 234.

Removable tail-hood 23 demountable installation is equipped with liquid storage container 231 in removable tail-hood 23 in the fuselage 21 bottom, and the end of fuselage 21 still is equipped with liquid storage container 231 promptly, and this liquid storage container 231 of removable tail-hood 23 cladding after the installation to, when needing to be changed liquid storage container 231, open removable tail-hood 23, can carry out corresponding operation. The liquid storage container 231 is a liquid storage bottle made of food-grade materials, oral cavity spraying liquid is stored in the liquid storage container, and formula liquid beneficial to the oral cavity is prepared, and the liquid storage container 231 is arranged in a cylindrical shape matched with the shape of the machine body 21 and is arranged at the bottom of the machine body 21. When the liquid storage container 231 is installed, the detachable tail cover 23 on the machine body 21 is detached, so that the liquid storage container 231 can be integrally taken out and replaced with a new one. Be equipped with quick detach structure on stock solution container 231, quick detach structure includes the clamping jaw (not shown), the water pipe connector 232 both ends are located to the clamping jaw symmetry, the inner shell bottom is equipped with embedded groove 2124, two clamping jaws can be dismantled with embedded groove 2124 and be connected, two clamping jaws have elasticity, two clamping jaws are held between the fingers to make two clamping jaw intervals diminish after, take out in embedded groove 2124 jointly, can accomplish the dismantlement of mechanical clamping jaw, fill in embedded groove 2124 with two clamping jaws jointly, loosen two clamping jaws, two clamping jaw cards are in embedded groove 2124, water pipe connector 232 is connected the back with the delivery port 2311 of stock solution container 231, quick detach structure makes the fixed fuselage 21 bottoms of stock solution container 231, accomplish stock solution container 231 and change, thereby realized quick assembly disassembly and change of stock solution container 231 through quick detach structure.

The working principle of the electronic oral cavity spraying device is as follows:

when the cover 1 is opened, the hall sensor 225 provides a corresponding level signal to the circuit board 2142, indicating the opening state of the cover 1, and the circuit board 2142 controls the suction pump 2131 to perform a corresponding action. The water suction pump 2131 pumps liquid from the liquid storage cavity 2312 of the liquid storage container 231 through the water inlet pipe 2132, the water flow rate of the water suction pump 2131 is larger than 40ML per minute, the overflowing section in the atomizing nozzle 3 is wide to narrow, the liquid enters the adaptor 31 to form high-speed fluid, the high-speed fluid reaches the micropores 321 and is cut by the micropores 321 to form water drops with smaller particle sizes, the overflowing section of the fluid flow is suddenly increased after the water drops with smaller particle sizes reach the conical inclined plane 322 through the injection flow channel 324, the sprayed water drops with smaller particle sizes are collided and then split, water mist similar to an atomizing effect is formed instantly, and tiny atomized water drops are sprayed into the oral cavity from the spray port 222, the impact force of the atomized water drops is small, and discomfort of a user cannot be caused.

The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims (10)

1. An atomizer, its characterized in that: the liquid outlet device comprises a micropore sprayer and an adapter provided with the micropore sprayer, wherein liquid inlet holes and liquid outlet holes are formed in two ends of the adapter respectively, the micropore sprayer is sleeved in the liquid outlet holes, at least one micropore is arranged in the central area of the micropore sprayer, and a jet flow channel and a conical inclined plane are sequentially arranged on the micropore from the liquid inlet holes to the liquid outlet holes.

2. An atomizer spray head according to claim 1 wherein: the diameter d of the injection flow passage is 0.05 MM-0.2 MM.

3. An atomizer spray head according to claim 1 wherein: the liquid-liquid separator is characterized in that a fluid pressurizing channel is arranged between a liquid inlet hole and a liquid outlet hole of the adapter piece, the overflowing section of the fluid pressurizing channel is gradually reduced from the liquid inlet hole to the liquid outlet hole, the micropore sprayer is sleeved in the liquid outlet hole to form a pressurizing water outlet fine gap with the adapter piece, and fluid is provided with power by a water suction pump, flows through the fluid pressurizing channel from the liquid inlet hole to the liquid outlet hole in sequence, and is sprayed out from micropores.

4. An atomizer head according to claim 3, wherein: the lower surface of the micropore sprayer is sunken inwards towards the direction of the micropores to form an installation groove, a flow resisting boss is arranged in the fluid pressurizing channel, and the flow resisting boss is embedded into the installation groove and forms a pressurizing water outlet fine gap with the inner wall surface of the installation groove.

5. An atomizer head according to claim 4, wherein: the flow resisting boss divides the fluid pressurizing channel into a first pressurizing cavity and a second pressurizing cavity, the flow resisting boss is provided with an inclined surface wall, the inclined surface wall is inclined from an overflowing section vertical to the first pressurizing cavity, and a conical spray neck is formed at the joint of the first pressurizing cavity and the second pressurizing cavity through the inclined surface wall.

6. An electronic oral cavity spraying device comprises a machine body and a machine cover, wherein the machine body comprises a machine body and a machine head, the machine cover is hinged with a flip type of the machine body and covers the machine head when closed, the machine head comprises a hemispherical head part provided with a spraying hole, and the electronic oral cavity spraying device is characterized in that the hemispherical head part is internally provided with an atomizing nozzle as claimed in any one of claims 1 to 3, and the atomizing nozzle is arranged opposite to the spraying hole.

7. An electronic oral spray device as in claim 6, wherein: the fuselage include the suction pump, the suction pump is connected electrical unit, suction pump one end is through inlet tube intercommunication stock solution container, and the other end passes through outlet pipe intercommunication atomizer, the tube length of outlet pipe is shorter than the inlet tube, and the tube length L of outlet pipe equals to be less than 15 mm.

8. An electronic oral spray device as in claim 6, wherein: a magnet is arranged on the top of the inner surface of the cover, and a Hall sensor corresponding to the magnet is arranged in the machine head.

9. An electronic oral spray device as in claim 6, wherein: the bottom of the machine body is provided with a detachable liquid storage container, a water outlet of the liquid storage container is provided with a one-way valve core, and the top surface of the one-way valve core is provided with a cross-shaped through hole.

10. The electronic oral spray device of claim 9, wherein: stock solution container on through water piping connection head and advance water piping connection, water piping connection head on be equipped with rapid disassembly structure, rapid disassembly structure include the clamping jaw, the clamping jaw symmetry locate water piping connection head both ends, the fuselage bottom is equipped with the embedded groove, two clamping jaws can be dismantled with the embedded groove and be connected.

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