Portable tooth whitening device

Abstract

The utility model discloses a portable tooth whitening device, and relates to the technical field of tooth beautifying devices, the portable tooth whitening device comprises a charging base, a dust cover, a tooth beautifying instrument main body and a tooth beautifying assembly, the two sides of the bottom of the tooth beautifying assembly are respectively provided with a connecting block, and the bottoms of the two connecting blocks are fixedly connected with a mounting plate; pressing assemblies are arranged on the front side and the rear side of the middle of the mounting plate respectively, the tooth beautifying assembly is arranged at the top of the tooth beautifying instrument body through the mounting plate, a charging interface is formed in the bottom of the front face of the charging base, and a USB charging interface is formed in the bottom of the tooth beautifying instrument body. The dustproof cover is sleeved outside the tooth beautifying instrument main body and the tooth beautifying assembly and is fixed with the charging base in a buckling manner, so that the tooth beautifying instrument is convenient to carry and use, and after the tooth beautifying instrument is used, the tooth beautifying instrument main body and the tooth beautifying assembly are in magnetic attraction connection, and the tooth beautifying instrument main body is directly pulled out from the bottom of the tooth beautifying assembly, so that the tooth beautifying assembly is convenient to clean.

Description

TECHNICAL FIELD

[0001] The utility model relates to tooth whitening device technical field, concretely relates to a portable tooth whitening device. BACKGROUND

[0002] With the improvement of people's living standards, people in material basis meet the time, also put forward the corresponding requirements for their own, especially people for the tooth whitening beauty also put forward higher requirements, at present people for tooth whitening, can adopt toothpaste to care, but the effect is not ideal, so need to go to the dental hospital for tooth whitening, so need to use dental whitening instrument. For the prior art has the following problems:

[0003] The existing dental hospital uses the whitening instrument mostly desktop, inconvenient to carry and use, and the tooth whitening device is usually an integral structure, which is inconvenient to disassemble the whitening head after use for separate cleaning, and secondly, the whitening gel must be applied to the tooth surface before whitening, and then the tooth whitening device is used for cold light whitening, which is more troublesome to use. UTILITARIAN CONTENT

[0004] The utility model provides a portable tooth whitening device to solve the problems in the above background technology.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0006] A portable tooth whitening device, comprising a charging base, a dust cover, a tooth whitening device main body and a tooth whitening assembly, the bottom of the tooth whitening assembly is provided with a connecting block on both sides, the bottom of the two connecting blocks is fixedly connected with a mounting plate, the front and rear sides of the mounting plate are provided with a pressing assembly, and the adjacent end of the outer wall of the two pressing assemblies is penetrated into the inside of the mounting plate, the tooth whitening assembly is arranged on the top of the tooth whitening device main body through the mounting plate, the front bottom of the charging base is provided with a charging interface, the bottom of the tooth whitening device main body is provided with a USB charging port, and the outer wall bottom of the tooth whitening device main body is arranged in the inside of the charging base through the USB charging port and is electrically connected between them.

[0007] The further improvement of the utility model technical scheme is that the front of the tooth whitening device main body is provided with a button, the top of the tooth whitening device main body is fixedly connected with a connecting plate, the top of the connecting plate is provided with a fixed groove in the middle, the left and right sides of the top of the connecting plate close to the two fixed grooves are fixedly connected with plug blocks respectively, and the inner wall of the fixed groove is fixedly connected with a back type magnet piece.

[0008] A further improvement of the technical solution of the present utility model is that: an iron block matching the fixing groove is fixedly connected to the middle side of the bottom of the mounting plate, the outer wall of the iron block is magnetically connected to the inner surface of the circular magnet sheet, the left and right sides of the bottom of the mounting plate near the iron block are respectively provided with sockets matching the plug-in block, the outer wall of the plug-in block is electrically connected to the connecting column on the connecting block through the socket, a connecting pipe is fixedly connected to the middle side of the top of the mounting plate, a sealing component is provided on the side of the top of the mounting plate near the pressing component, and the front and rear sides of the tops of the two connecting blocks are respectively fixedly connected with connecting columns including an arc plate, two A positioning arc plate, two beautifying arc plates and a spacer, the middle sides of the opposite surfaces of the two positioning arc plates are fixedly connected to the upper and lower ends of the arc plate respectively, one end of the two beautifying arc plates are fixedly connected to the front and rear ends of the lower positioning arc plate respectively, the upper surface of the upper positioning arc plate is fixedly connected to the bottom of the spacer, the tops of the front and rear connecting columns are fixedly connected to the lower surfaces of the front and rear beautifying arc plates respectively, the two positioning arc plates are both set to edible silicone material, the lower positioning arc plate is set to a hollow state, the middle side of the bottom of the lower positioning arc plate is fixedly connected to the top of the connecting pipe and they are connected to each other.

[0009] A further improvement of the technical solution of the present utility model is that: a number of silicone protrusions are fixedly connected to the upper surface of the lower positioning arc plate near the front and rear ends of the arc plate in an equidistant array, the interiors of several of the silicone protrusions are interconnected with the interior of the lower positioning arc plate, and the middle parts of several of the silicone protrusions are provided with connecting holes that pass through the inside and outside, and a number of semicircular grooves are provided on the upper surfaces of the two cosmetic dental arc plates in an equidistant array, and cold light lamps are provided inside several of the semicircular grooves.

[0010] A further improvement of the technical solution of the present invention is that the front and rear connecting posts are electrically connected to the connection terminals of a plurality of cold light lamps through wires.

[0011] A further improvement of the technical solution of the present utility model is that: a gel cavity is opened in the middle of the mounting plate near the two connecting blocks, the interior of the connecting tube is connected to the interior of the gel cavity, and a sealing ring is fixedly connected to the middle of the front and rear ends of the mounting plate respectively, and the pressing assembly includes a push rod, a pressing block, a push plate and a return spring, one end of the push rod is fixedly connected to one end of the pressing block, the outside of the push plate is arranged at one end of the inner wall of the gel cavity, the outer wall of the push rod passes through the interior of the gel cavity through the sealing ring, the outer wall of the push rod is fixedly connected to the middle of the push plate at one end away from the pressing block, the inside of the return spring is sleeved with the outside of the push rod, one end of the return spring is overlapped on the outer wall of the mounting plate, and the other end of the return spring is overlapped on the inner surface of the pressing block.

[0012] A further improvement of the technical solution of the present utility model is that: an adding hole that passes through the inside and outside is opened on the side of the top of the gel chamber close to the push rod, and the sealing assembly includes a sealing plug and a positioning strip. The bottom of the outer wall of the sealing plug is plugged into the inside of the adding hole, one end of the positioning strip is fixedly connected to the top of the sealing plug, and the other end of the positioning strip is fixedly connected to the front end of the mounting plate.

[0013] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0014] 1. The utility model provides a convenient teeth whitening device, which adopts the cooperation between a charging base, a dust cover, a teeth whitening instrument body, a teeth whitening component, a mounting plate and a pressing component. The teeth whitening component is installed on the teeth whitening instrument body, and then the teeth whitening instrument body is inserted into the charging base through the USB charging port. Then the dust cover is put on the outside of the teeth whitening instrument body and the teeth whitening component and is fixed with the charging base by snapping, which is convenient for carrying and use. After use, due to the magnetic connection between the teeth whitening instrument body and the teeth whitening component, the teeth whitening component can be conveniently cleaned by directly pulling out the teeth whitening instrument body from the bottom of the teeth whitening component. This solves the problem that most of the whitening instruments used in existing dental hospitals are desktop-type and inconvenient to carry and use, and that the teeth whitening devices are usually of an integrated structure, which makes it inconvenient to disassemble the whitening head after use for separate cleaning. The device is easy to carry and has the beneficial effect of being easy to carry.

[0015] 2. The utility model provides a convenient teeth whitening device, which adopts the cooperation between the teeth beautification component, the connecting block, the mounting plate and the pressing component. When in use, the teeth beautification component is placed between the teeth, and then the pressing components on both sides are pressed, so that the whitening gel in the mounting plate is squeezed through the teeth beautification component and directly applied to the tooth surface. This solves the problem that the whitening gel must be applied to the tooth surface before whitening, and then the teeth whitening device is used for cold light whitening, which is more troublesome to use. It achieves the beneficial effect of facilitating the simultaneous use of whitening gel and cold light. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the portable teeth whitening device of the present invention;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the main body of the teeth whitening device of the present utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the dental beauty component and the mounting plate of the present invention;

[0019] Figure 4 It is a partially enlarged schematic diagram of the three-dimensional structure A of the present utility model;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the pressing component and the sealing component of the present utility model.

[0021] In the figure: 1. Charging base; 2. Dust cover; 3. Teeth whitening instrument body; 31. Button; 32. Connecting plate; 320. Fixing slot; 33. Insert block; 34. Circular magnet; 4. Teeth whitening assembly; 41. Arc plate; 42. Positioning arc plate; 43. Teeth whitening arc plate; 430. Semicircular groove; 44. Spacer; 45. Silicone protrusion; 450. Connecting hole; 46. Cold light lamp; 5. Connecting block; 51. Connecting column; 6. Mounting plate; 601. Socket; 602. Gel chamber; 603. Adding hole; 61. Iron block; 62. Connecting pipe; 63. Sealing assembly; 631. Sealing plug; 632. Positioning strip; 64. Sealing ring; 7. Pressing assembly; 71. Push rod; 72. Pressing block; 73. Push plate; 74. Reset spring; 8. Charging interface; 9. USB charging port. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods:

[0023] like Figure 1 As shown, the utility model provides a portable teeth whitening device, including a charging base 1, a dust cover 2, a teeth whitening instrument body 3 and a teeth whitening component 4, connecting blocks 5 are respectively provided on both sides of the bottom of the teeth whitening component 4, and the bottoms of the two connecting blocks 5 are fixedly connected to a mounting plate 6, and pressing components 7 are respectively provided on the front and rear sides of the middle of the mounting plate 6, and the adjacent ends of the outer walls of the two pressing components 7 are penetrated into the interior of the mounting plate 6, and the teeth whitening component 4 is arranged on the top of the teeth whitening instrument body 3 through the mounting plate 6, and a charging interface is provided at the bottom of the front of the charging base 1, and a USB charging port 9 is provided at the bottom of the teeth whitening instrument body 3, and the outer wall bottom of the teeth whitening instrument body 3 is arranged inside the charging base 1 through the USB charging port 9 and is electrically connected thereto;

[0024] A charging base 1, a dust cover 2, a teeth whitening device body 3, a teeth whitening component 4, a connecting block 5, a mounting plate 6 and a pressing component 7 are provided. The charging base 1 and the dust cover 2 can be used to conveniently store the teeth whitening device body 3 and the teeth whitening component 4 in a dust-proof manner, making it convenient to carry the teeth whitening device and to use it. After use, the teeth whitening component 4 can be conveniently cleaned by disassembling the teeth whitening device body 3 and the teeth whitening component 4.

[0025] like Figure 2As shown, the utility model provides a technical solution for a portable teeth whitening device: a button 31 is provided on the front of the teeth whitening instrument body 3, a connecting plate 32 is fixedly connected to the top of the teeth whitening instrument body 3, a fixing groove 320 is opened on the middle side of the top of the connecting plate 32, and plug-in blocks 33 are fixedly connected to the left and right sides of the top of the connecting plate 32 near the two fixing grooves 320 respectively, and a circular magnet sheet 34 is fixedly connected to the inner wall of the fixing groove 320. By arranging the connecting plate 32 and the plug-in block 33 on the teeth whitening instrument body 3, it is convenient to assemble the teeth whitening instrument body 3 and the teeth whitening component 4 and connect the power supply.

[0026] like Figure 3 As shown, the utility model provides a technical solution for a convenient teeth whitening device: an iron block 61 matching the fixing groove 320 is fixedly connected to the middle side of the bottom of the mounting plate 6, and the outer wall of the iron block 61 is magnetically connected to the inner surface of the circular magnet piece 34. The iron block 61 is inserted into the fixing groove 320, so that the circular magnet piece 34 and the iron block 61 are magnetically fixed, which is convenient for assembling and disassembling the teeth whitening device body 3 and the teeth whitening component 4. Sockets 601 matching the plug block 33 are respectively provided on the left and right sides of the bottom of the mounting plate 6 near the iron block 61. The outer wall of the plug block 33 is electrically connected to the connecting column 51 on the connecting block 5 through the socket 601. By inserting the plug block 33 into the socket 601, the connecting column 51 in the connecting block 5 is connected to the power supply. A connecting pipe 62 is fixedly connected to the middle side of the top of the mounting plate 6, and a sealing component 6 is provided on the side of the top of the mounting plate 6 near the pressing component 7. 3. The front and rear sides of the tops of the two connecting blocks 5 are fixedly connected with connecting columns 51 respectively. The beautifying teeth component 4 includes an arc plate 41, two positioning arc plates 42, two beautifying teeth arc plates 43 and a spacer 44. The middle sides of the opposite surfaces of the two positioning arc plates 42 are fixedly connected to the upper and lower ends of the arc plate 41 respectively. One end of the two beautifying teeth arc plates 43 is fixedly connected to the front and rear ends of the lower positioning arc plate 42 respectively. The upper surface of the upper positioning arc plate 42 is fixedly connected to the bottom of the spacer 44. A spacer 44 is arranged on the upper positioning arc plate 42 to block saliva. The tops of the front and rear connecting columns 51 are fixedly connected to the lower surfaces of the front and rear beautifying teeth arc plates 43 respectively. The two positioning arc plates 42 are both set to edible silicone material. The lower positioning arc plate 42 is set to a hollow state. The middle side of the bottom of the lower positioning arc plate 42 is fixedly connected to the top of the connecting pipe 62 and they are connected to each other.

[0027] like Figure 4As shown in the utility model provides a kind of portable teeth whitening device technical scheme: the upper surface of lower side locating arc plate 42 close to the front and rear ends of arc plate 41 is respectively equidistant array fixed connection with several silica gel bumps 45, the inside of several silica gel bumps 45 and the inside of lower side locating arc plate 42 are mutually through, and the middle part of several silica gel bumps 45 is all equipped with the through hole 450 that passes through inside and outside, and several silica gel bumps 45 are arranged on lower side locating arc plate 42, and the through hole 450 in silica gel bump 45 is communicated with the inside of lower side locating arc plate 42, and it is convenient to whitening gel is extruded from the through hole 450 of locating arc plate 42 respectively, the upper surface of two tooth whitening arc plates 43 is respectively equidistant array equipped with several semicircular grooves 430, the inside of several semicircular grooves 430 is all equipped with cold light lamp 46, and the wiring end of several cold light lamps 46 is electrically connected by lead wire respectively, and several cold light lamps 46 are arranged on tooth whitening arc plate 43, to irradiate the teeth surface coated with whitening gel, promote whitening gel to remove the stain on the teeth surface, and achieve the effect of teeth whitening.

[0028] As Figure 5 As shown in the utility model provides a kind of portable teeth whitening device technical scheme: installation plate 6 is equipped with gel cavity 602 close to the middle part between two connecting blocks 5, the inside of connecting pipe 62 and the inside of gel cavity 602 are communicated, and the middle part of the front and rear ends of installation plate 6 is respectively fixedly connected with sealing ring 64, pressing assembly 7 includes push rod 71, pressing block 72, push plate 73 and reset spring 74, one end of push rod 71 is fixedly connected with one end of pressing block 72, one end of push plate 73 is arranged in the inner wall of gel cavity 602, the outer wall of push rod 71 penetrates to the inside of gel cavity 602 through sealing ring 64, the outer wall of push rod 71 is fixedly connected with the middle part of push plate 73 away from pressing block 72, the inside of reset spring 74 is sleeved with the outside of push rod 71, after moving by pressing push rod 71, the elasticity of reset spring 74 is used to reset push plate 73, one end of reset spring 74 is lapped on the outer wall of installation plate 6, the other end of reset spring 74 is lapped on the inner surface of pressing block 72, the top of gel cavity 602 is equipped with the addition hole 603 that passes through inside and outside close to the side of push rod 71, sealing assembly 63 includes sealing plug 631 and positioning strip 632, the outer wall bottom of sealing plug 631 is inserted with the inside of addition hole 603, one end of positioning strip 632 is fixedly connected with the top of sealing plug 631, the other end of positioning strip 632 is fixedly connected with the front end of installation plate 6, by setting sealing plug 631 and sealing plug 631, after adding whitening gel, it is convenient to seal addition hole 603.

[0029] The working principle of the portable teeth whitening device will be described below.

[0030] As Figures 1-5As shown, when using the tooth whitening device, first, use the matching charging line to connect to the external power supply, then insert the tooth whitening device main body 3 into the charging base 1 through the USB charging port 9, and connect the charging interface 8 to charge the tooth whitening device main body 3. The two plug blocks 33 at the top of the tooth whitening device main body 3 are respectively inserted into the two sockets 601 at the bottom of the mounting plate 6, so that the iron block 61 at the bottom of the mounting plate 6 is inserted into the fixed groove 320 on the connecting plate 32, and the iron block 61 is magnetically attracted and fixed between the back-shaped magnet piece 34, completing the assembly of the tooth whitening device main body 3 and the tooth whitening assembly 4. The dust cover 2 is sleeved on the outside of the tooth whitening device main body 3 and the tooth whitening assembly 4 and buckled with the charging base 1, preventing dust from falling on the tooth whitening assembly 4 when not in use, and facilitating carrying and using the tooth whitening device. When in use, the tooth whitening device main body 3 is pulled out of the charging base 1 together with the tooth whitening assembly 4, and then the tooth whitening assembly 4 is placed in the user's mouth. The user's upper and lower teeth are respectively clamped between the two positioning arc plates 42, and then the front and rear push rods 71 are pressed by pressing the block 72, so that the push plate 73 extrudes the whitening gel in the mounting plate 6 from the connecting pipe 62 into the lower positioning arc plate 42, and then extrudes the whitening gel through the connecting holes 450 in the plurality of silica gel protrusions 45, so that the extruded whitening gel flows to the teeth and is coated on the surface of the teeth. Finally, press the button 31 to turn on the cold light lamp 46 on the front and rear tooth whitening arc plates 43, and the cold light lamp 46 irradiates the teeth coated with the whitening gel to promote the whitening gel to remove the stains on the surface of the teeth, achieving the effect of whitening the teeth. After use, the tooth whitening device main body 3 is directly pulled out from the bottom of the tooth whitening assembly 4, facilitating cleaning of the tooth whitening assembly 4, and the sealing plug 631 is pulled out of the addition hole 603 through the positioning strip 632 to supplement the whitening gel in the gel cavity 602, facilitating next use.

[0031] The specific types and structures of the charging base 1, the tooth whitening device main body 3, and the cold light lamp 46 are all existing products, and the specific circuit connection structure and control relationship between the charging base 1 and the tooth whitening device main body 3, the connecting column 51 on the connecting block 5, and the cold light lamp 46 are all prior art, which will not be described in detail here.

[0032] The above general description of the present application has been described in detail, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the present application, the modifications or improvements are within the scope of the present application.

Claims

1. A portable teeth whitening device, comprising a charging base (1), a dust cover (2), a teeth whitening device body (3) and a teeth whitening component (4), characterized in that: The bottom sides of the teeth beautifying component (4) are respectively provided with connecting blocks (5), the bottoms of the two connecting blocks (5) are fixedly connected with mounting plates (6), the front and rear sides of the middle of the mounting plate (6) are respectively provided with pressing components (7), and the adjacent ends of the outer walls of the two pressing components (7) are passed through the interior of the mounting plate (6), the teeth beautifying component (4) is arranged on the top of the teeth beautifying instrument body (3) through the mounting plate (6), the front bottom of the charging base (1) is provided with a charging interface (8), the bottom of the teeth beautifying instrument body (3) is provided with a USB charging port (9), the outer bottom of the teeth beautifying instrument body (3) is arranged inside the charging base (1) through the USB charging port (9) and the two are electrically connected.

2. A portable teeth whitening device according to claim 1, characterized in that: A button (31) is provided on the front of the main body (3) of the teeth beautifying device. A connecting plate (32) is fixedly connected to the top of the main body (3). A fixing groove (320) is provided on the middle side of the top of the connecting plate (32). Insert blocks (33) are fixedly connected to the left and right sides of the top of the connecting plate (32) near the two fixing grooves (320). A circular magnet piece (34) is fixedly connected to the inner wall of the fixing groove (320).

3. A portable teeth whitening device according to claim 2, characterized in that: An iron block (61) matching the fixing groove (320) is fixedly connected to the middle side of the bottom of the mounting plate (6), and the outer wall of the iron block (61) is magnetically connected to the inner surface of the circular magnet sheet (34). Sockets (601) matching the plug block (33) are respectively provided on the left and right sides of the bottom of the mounting plate (6) near the iron block (61). The outer wall of the plug block (33) is electrically connected to the connecting column (51) on the connecting block (5) through the socket (601). A connecting pipe (62) is fixedly connected to the middle side of the top of the mounting plate (6). A sealing component (63) is provided on the side of the top of the mounting plate (6) near the pressing component (7). The front and rear sides of the tops of the two connecting blocks (5) are respectively fixedly connected to the connecting columns (51).

4. A portable teeth whitening device according to claim 3, characterized in that: The teeth beautifying component (4) comprises an arc plate (41), two positioning arc plates (42), two teeth beautifying arc plates (43) and a spacer (44). The middle sides of the opposite surfaces of the two positioning arc plates (42) are fixedly connected to the upper and lower ends of the arc plate (41), one end of the two teeth beautifying arc plates (43) is fixedly connected to the front and rear ends of the lower positioning arc plate (42), the upper surface of the upper positioning arc plate (42) is fixedly connected to the bottom of the spacer (44), the tops of the front and rear connecting columns (51) are fixedly connected to the lower surfaces of the front and rear teeth beautifying arc plates (43), the two positioning arc plates (42) are both made of edible silicone material, the lower positioning arc plate (42) is set to a hollow state, and the middle side of the bottom of the lower positioning arc plate (42) is fixedly connected to the top of the connecting pipe (62) and they are connected to each other.

5. The portable teeth whitening device according to claim 4, characterized in that: The upper surface of the lower positioning arc plate (42) near the front and rear ends of the arc plate (41) is fixedly connected with a plurality of silicone protrusions (45) in an equidistant array. The interiors of the plurality of silicone protrusions (45) are interconnected with the interior of the lower positioning arc plate (42), and the middle parts of the plurality of silicone protrusions (45) are provided with connecting holes (450) that pass through the inside and outside. The upper surfaces of the two cosmetic arc plates (43) are respectively provided with a plurality of semicircular grooves (430) in an equidistant array, and the interiors of the plurality of semicircular grooves (430) are provided with cold light lamps (46).

6. The portable teeth whitening device according to claim 4, characterized in that: The front and rear connecting posts (51) are electrically connected to the connection terminals of a plurality of cold light lamps (46) through wires.

7. The portable teeth whitening device according to claim 4, characterized in that: The mounting plate (6) is provided with a gel cavity (602) in the middle portion between the two connecting blocks (5), the interior of the connecting pipe (62) is connected to the interior of the gel cavity (602), the middle portions of the front and rear ends of the mounting plate (6) are fixedly connected with sealing rings (64), the pressing assembly (7) comprises a push rod (71), a pressing block (72), a push plate (73) and a return spring (74), one end of the push rod (71) is fixedly connected to one end of the pressing block (72), the outer portion of the push plate (73) is fixedly connected to the outer portion of the return spring (74), and the outer portion of the push plate (73) is fixedly connected to the outer portion of the return spring (74). The part is arranged at one end of the inner wall of the gel cavity (602), the outer wall of the push rod (71) passes through the interior of the gel cavity (602) through the sealing ring (64), the outer wall of the push rod (71) is fixedly connected to the middle part of the push plate (73) at one end away from the pressing block (72), the interior of the return spring (74) is sleeved with the exterior of the push rod (71), one end of the return spring (74) is overlapped on the outer wall of the mounting plate (6), and the other end of the return spring (74) is overlapped on the inner surface of the pressing block (72).

8. The portable teeth whitening device according to claim 7, characterized in that: A feeding hole (603) is provided on the top of the gel chamber (602) near the push rod (71), which is connected to the inside and outside. The sealing assembly (63) includes a sealing plug (631) and a positioning strip (632). The bottom of the outer wall of the sealing plug (631) is plugged into the inside of the feeding hole (603). One end of the positioning strip (632) is fixedly connected to the top of the sealing plug (631), and the other end of the positioning strip (632) is fixedly connected to the front end of the mounting plate (6).

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