Suction head of hair suction device and hair suction device

Abstract

The utility model provides a suction head of a hair suction device. The suction head comprises a shell, a brush head assembly and a locking assembly. The shell comprises a handle and a surface cover fixedly connected with the handle, an air suction channel is formed in the shell, and a card wire opening and an air inlet communicated with the air suction channel are formed in the surface cover; the brush head assembly comprises an adjusting part and card wires, the adjusting part is arranged on the handle in a sliding mode, the card wires are fixedly connected with the adjusting part and penetrate through the card wire openings to stretch out, and the adjusting part is used for adjusting the lengths of the card wires stretching out of the card wire openings; the locking assembly comprises a locking groove and a push button, the locking groove is formed in the adjusting piece, and the push button is installed on the handle in a sliding mode and used for being inserted into the locking groove in a sliding mode to lock the position of the adjusting piece. The utility model further provides a hair suction device which comprises the suction head of the hair suction device. According to the suction head of the hair suction device, the length of the portions, extending out of the face cover, of the card wires can be adjusted through the adjusting piece, the card wires can be locked through the locking assembly, and safety and usability of the suction head of the hair suction device are improved.

Description

Technical Field

[0001] This utility model relates to the field of hair suction device technology, and in particular to a hair suction device head and a hair suction device. Background Technology

[0002] A pet hair vacuum cleaner typically consists of a suction head, main body, suction adjustment device, filter, motor, and power supply. It works by using the negative pressure effect generated by the motor to draw in air, pet hair, dust, and other impurities through the suction head, then separating the pet hair and dust from the air through the filter. It has a compact structure, is easy to operate, and can efficiently clean pet hair and dust.

[0003] There are many pet hair remover heads on the market, typically consisting of a hollow cylindrical shell and multiple comb-like needles. These needles are made of a soft yet durable material, usually rubber or silicone. When the nozzle comes into contact with the pet's fur, the needles gently hook the hair, ensuring better suction and preventing pet hair from flying around. However, exposed needles pose a safety risk, and the extension length of the needles cannot be freely adjusted or locked to suit different pets' hair lengths and densities. Utility Model Content

[0004] In view of this, the purpose of this utility model is to provide a hair vacuum cleaner head and a hair vacuum cleaner, which adjusts the length of the comb needles extending out of the faceplate through an adjusting component and can be locked by a locking component, thereby improving the safety and ease of use of the hair vacuum cleaner head. It is a hair vacuum cleaner head with adjustable settings, which locks the extension length of the comb needles to zero when the head is not in use to avoid scratches, and can also precisely control the extension length of the comb needles.

[0005] This utility model provides a hair removal tool head, including a housing, a brush head assembly, and a locking assembly;

[0006] The housing includes a handle and a face cover fixedly connected thereto. An air intake channel is provided inside the housing, and a comb-shaped opening and an air inlet communicating with the air intake channel are provided on the face cover.

[0007] The brush head assembly includes an adjusting member and a comb needle. The adjusting member is slidably mounted on the handle. The comb needle is fixedly connected to the adjusting member and extends through the comb needle opening. The adjusting member is used to adjust the length of the comb needle extending out of the comb needle opening.

[0008] The locking assembly includes a locking slot and a push button. The locking slot is formed on the adjusting member, and the push button is slidably mounted on the handle. The push button is used to slide into the locking slot to lock the position of the adjusting member.

[0009] Specifically, the locking groove includes a first locking groove segment and a second locking groove segment, which are arranged sequentially back and forth along the sliding direction of the adjusting member to lock the length of the comb needle extending out of the comb needle opening.

[0010] Specifically, the inner side of the adjusting member is provided with a sliding protrusion, and the outer side of the housing is provided with a slide rail. The sliding protrusion and the slide rail are used to cooperate with each other to guide the adjusting member to slide on the housing. The direction of the slide rail is consistent with the length direction of the comb needle.

[0011] Specifically, the opening direction of the locking groove is perpendicular to the length direction of the comb needle, and the housing also includes a limiting stop block for limiting the sliding direction of the push knob to be parallel to the opening direction of the locking groove.

[0012] Specifically, the hair removal head also includes an elastic reset member. The adjusting member has a cavity for accommodating the elastic reset member. One end of the elastic reset member is fixedly connected to the adjusting member, and the other end is fixedly connected to the housing.

[0013] Specifically, the elastic reset member is a tension spring, which provides a preload to bring the adjusting member close to the face cover to keep the comb needles protruding from the face cover through the comb needle opening.

[0014] Specifically, the elastic reset element is a spring, which provides a preload to move the adjusting element away from the faceplate to limit the length of the comb needle extending out of the comb needle opening.

[0015] Specifically, the hair suction head also includes a connecting assembly, which includes a fixing member and an insert member. The fixing member is fixedly disposed on the housing, and the insert member is used to insert into the fixing member to connect the suction channel and the insert member.

[0016] Specifically, the inner wall of the fastener is provided with an insertion groove and a rotation groove that are interconnected. The insertion groove and the rotation groove are parallel and the groove direction is consistent with the insertion direction of the insert. The outer wall of the insert is provided with an insertion protrusion, which is slidably accommodated in the insertion groove or the rotation groove.

[0017] This utility model also provides a hair suction device, including an air tube and a hair suction head as described in any of the above claims, wherein the air tube is connected to the air suction channel.

[0018] In summary, this utility model embodiment improves the safety and ease of use of the lint extractor head by adjusting the length of the comb needles extending beyond the faceplate using an adjusting component and locking it with a locking assembly. It is a lint extractor head with adjustable settings, locking the comb needle extension length to zero when the head is not in use to prevent scratches, and allowing for precise control of the comb needle extension length.

[0019] Furthermore, the design of multiple locking slots at different distances, combined with the push-twist controllable adjustment mechanism, locks the comb needles at different positions to control their extension length.

[0020] Furthermore, the adjusting component also has a cavity for accommodating the elastic reset component. One end of the elastic reset component is fixedly connected to the adjusting component, and the other end is fixedly connected to the housing. If the elastic reset component is a tension spring, the tension spring provides preload to keep the adjusting component close to the face cover in the default state, thus keeping the comb needles protruding from the face cover through the comb needle opening. In the default state, pushing the knob away from the locking slot allows the comb needles to protrude from the comb needle opening, and the suction head can be picked up for use, improving efficiency. Even when the knob is pushed away from the locking slot, the adjusting component can still be pushed or pulled to temporarily control the length of the comb needles protruding from the face cover. After releasing the knob, the comb needles protrude from the face cover under the action of the tension spring.

[0021] Furthermore, if the elastic reset element is a spring, the spring provides preload to keep the adjusting element away from the faceplate, thus limiting the length of the comb needles extending from the comb needle opening. In the default state, pushing the knob away from the locking slot moves the comb needles away from the opening. Depending on the spring preload, the comb needles may not extend beyond the faceplate, improving the safety of the suction head. Even with the knob pushed away from the locking slot, the adjusting element can still be pushed or pulled to temporarily control the length of the comb needles extending beyond the faceplate. After releasing the knob, the comb needles will not extend beyond the faceplate due to the tension spring.

[0022] Furthermore, the hair vacuum cleaner head also includes a connecting component, which includes a fixing part and an insert part. The fixing part is fixedly mounted on the housing, and the insert part is fixedly connected to the air tube of the hair vacuum cleaner. Both the insert part and the fixing part are standard parts, and it is only necessary to disassemble and assemble them when changing to different styles of vacuum cleaner heads, which improves the replacement efficiency. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of the hair suction head in an embodiment of this utility model. Figure 1 ;

[0025] Figure 2 This is a schematic diagram of the structure of the hair suction head in an embodiment of this utility model. Figure 2 ;

[0026] Figure 3 The structure of the hair-plucking nozzle in the embodiment of this utility model explodes. Figure 1 ;

[0027] Figure 4 The structure of the hair-plucking nozzle in the embodiment of this utility model explodes. Figure 2 ;

[0028] Figure 5 This is a top view of the hair suction head in an embodiment of this utility model;

[0029] Figure 6 for Figure 5 Schematic diagram of the cross section along line AA;

[0030] Figure 7 This is a schematic diagram of the structure of the hair suction head pulling the adjustment component in an embodiment of this utility model;

[0031] Figure 8 This is a top view of the lint extractor head pulling the adjustment component in an embodiment of this utility model;

[0032] Figure 9 for Figure 8 Cross-sectional view along line AA;

[0033] Figure 10 This is a schematic diagram of the connecting component in an embodiment of the present utility model;

[0034] Figure 11 This is a schematic diagram of the structure when the protrusion is inserted into the insertion slot section in an embodiment of this utility model;

[0035] Figure 12 This is a schematic diagram of the structure when the protrusion is inserted into the rotating groove section in an embodiment of this utility model.

[0036] In the above-mentioned figures, the reference numerals for the embodiments of this utility model are as follows:

[0037] 100. Housing; 110. Handle; 120. Faceplate; 121. Comb needle opening; 122. Air inlet; 130. Intake channel; 140. Slide rail; 150. Limiting stop block;

[0038] 200. Brush head assembly; 210. Adjustment component; 220. Sliding protrusion; 230. Comb needle;

[0039] 300, Locking component; 310, Locking slot; 311, First locking slot segment; 312, Second locking slot segment; 320, Push button;

[0040] 400. Elastic reset component;

[0041] 500. Connecting component; 510. Fixing component; 511. Insertion slot; 512. Rotating slot; 520. Insertion component; 521. Insertion protrusion. Detailed Implementation

[0042] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are merely some, not all, of the embodiments of this utility model. Based on the description of this utility model, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.

[0043] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "set," "install," and "connect," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0044] The terms “upper,” “lower,” “left,” “right,” “front,” “back,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of description and simplification, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0045] The terms “first,” “second,” “third,” etc., are used merely to distinguish elements with similar properties, not to indicate or imply relative importance or a specific order.

[0046] The terms “include,” “comprising,” or any other variation thereof are intended to cover non-exclusive inclusion, which includes not only the elements listed but also other elements not expressly listed.

[0047] The following detailed description uses specific examples.

[0048] like Figures 1 to 4 As shown, this utility model embodiment provides a hair suction head, including a housing 100, a brush head assembly 200, an elastic reset member 400, a locking component 300, and a connecting component 500.

[0049] The housing 100 includes a handle 110 and a faceplate 120 fixedly connected thereto. An air intake channel 130 is provided inside the housing 100. The faceplate 120 has a comb needle opening 121 and an air inlet 122 communicating with the air intake channel 130. The air inlet 122 is used to draw hair, dust, dander, etc., into the air intake channel 130. The comb needle opening 121 allows the comb needles 230 to extend and straighten the hair and hook loose hairs when sucking up hair. In use, the handle 110 is held, with the air inlet 122 at an ergonomic angle to the handle 110, and the thumb naturally rests on the push knob 320.

[0050] The brush head assembly 200 includes an adjusting member 210 and comb needles 230. The adjusting member 210 is slidably mounted on the handle 110. The comb needles 230 are fixedly connected to the adjusting member 210 and extend through the comb needle opening 121. The adjusting member 210 is used to adjust the length of the comb needles 230 extending out of the comb needle opening 121. The brush head assembly 200 also includes a comb needle 230 plate, on which multiple comb needles 230 are inserted. The comb needle 230 plate is detachably fixedly connected to the adjusting member 210, making it easy to change different types of comb needles 230 according to the pet's hair length and density, such as silicone round-headed soft needles, straight steel needles, rubber needles with massage heads, etc.

[0051] The elastic reset member 400 is disposed between the adjusting member 210 and the housing 100. The adjusting member 210 is provided with a cavity for accommodating the elastic reset member 400. One end of the elastic reset member 400 is fixedly connected to the adjusting member 210, and the other end is fixedly connected to the housing 100.

[0052] The locking assembly 300 includes a locking groove 310 and a push button 320. The locking groove 310 is formed on the adjusting member 210, and the push button 320 is slidably mounted on the handle 110. The push button 320 is used to slide into the locking groove 310 to lock the position of the adjusting member 210. The locking groove 310 is a recess with one open end, and the push button 320 is "L"-shaped. Pushing the push button 320 upward inserts it into the locking groove 310. Since the inserted part just fills the locking groove 310, the adjusting member 210 cannot move back and forth at this time.

[0053] like Figure 6As shown, in this embodiment, the locking groove 310 includes a first locking groove segment 311 and a second locking groove segment 312. The first locking groove segment 311 and the second locking groove segment 312 are arranged sequentially back and forth along the sliding direction of the adjusting member 210, and are used to lock the length of the comb needle 230 extending out of the comb needle opening 121. Optionally, three or more locking groove segments can be provided. For example, a third locking groove segment can be added between the first locking groove segment 311 and the second locking groove segment 312. When the push knob 320 is inserted into the third locking groove segment, the length of the comb needle 230 extending out of the face cover 120 is between the maximum and minimum values. Different lengths of the comb needle 230 extending out of the face cover 120 can be used for pets of different body sizes or with different hair densities, thus improving the applicability of the vacuum cleaner head.

[0054] like Figure 5 and Figure 6 As shown, in this embodiment, when the push knob 320 is inserted into the second locking groove 312, the positions of the adjusting member 210 and the comb needle 230 are locked. At this time, the length of the comb needle 230 extending out of the face cover 120 remains unchanged, so you can brush the hair with confidence. At this time, the suction head is equivalent to a pet-specific hair-brushing suction head.

[0055] like Figures 7 to 9 As shown, in this embodiment, when the push knob 320 is inserted into the first locking slot 311, the positions of the adjusting member 210 and the comb needle 230 are locked, and the length of the comb needle 230 extending out of the cover 120 is zero. When the pet hair remover switch is on, it can be used as a regular vacuum cleaner, or as a pet hair remover without the combing function. When the pet hair remover switch is off, it can prevent pets or elderly people and children from being accidentally injured by the comb needle 230 when the nozzle is idle, improving the safety of the nozzle. At this time, the nozzle is equivalent to a regular vacuum cleaner nozzle.

[0056] like Figure 4 As shown, in this embodiment, sliding protrusions 220 are provided on both inner sides of the adjusting member 210, and slide rails 140 are provided on both outer sides of the housing 100. The sliding protrusions 220 and slide rails 140 are used to cooperate with each other to guide the adjusting member 210 to slide on the housing 100. The direction of the slide rails 140 is consistent with the length direction of the comb needles 230. The sliding adjusting member 210 is equivalent to controlling the length of the comb needles 230 extending out of the faceplate 120.

[0057] like Figure 6 As shown, in this embodiment, the opening direction of the locking groove 310 is perpendicular to the length direction of the comb needle 230. Specifically, in this embodiment, the opening direction has a certain angle with the length direction of the comb needle 230. This design is to conform to ergonomics and improve the grip experience. The housing 100 also includes a limiting stop block 150, which is used to limit the sliding direction of the push knob 320 from being parallel to the opening direction of the locking groove 310.

[0058] In this embodiment, the elastic reset member 400 is a tension spring, which provides a preload to bring the adjusting member 210 closer to the face cover 120 to keep the comb needles 230 protruding from the face cover 120 through the comb needle opening 121. When the push knob 320 is pushed down to disengage from the locking groove 310, the adjusting member 210 is in a freely sliding state. By default, when no force is applied, the comb needles 230 protrude from the face cover 120, making it easy to pick up the brush head and use it directly. When combing, the comb needles 230 will automatically retract behind the face cover 120 according to the pressure applied to prevent scratching the skin. Alternatively, the adjusting member 210 can be manually stretched to control the length of the comb needles 230 protruding from the face cover 120.

[0059] In this embodiment, the elastic reset member 400 can also be a spring. The spring is used to provide a preload force to move the adjusting member 210 away from the cover 120 to limit the length of the comb needle 230 extending out of the comb needle opening 121. For example, using a spring with a suitable preload force, when the push knob 320 is pushed down to exit the locking groove 310, the adjusting member 210 is in a freely sliding state. When there is no force by default, the comb needle 230 retracts behind the cover 120 and does not extend out. At this time, the suction head is equivalent to a regular vacuum cleaner, which can be used not only for pet grooming and removing hair and dander, but also for cleaning objects and other regular vacuum cleaner purposes, thus increasing the scope of use of the suction head. Moreover, in the default unforced state, the comb needle 230 does not extend out of the cover 120, which avoids pets or the elderly and children being accidentally injured by the comb needle 230 when the suction head is idle, and also improves the safety of the suction head. The length of the comb needle 230 extending out of the cover 120 can also be controlled by manually stretching the adjusting member 210.

[0060] like Figures 10 to 12 As shown, in this embodiment, the hair vacuum cleaner head also includes a connecting assembly 500. The connecting assembly 500 includes a fixing member 510 and an insert member 520. The fixing member 510 is fixedly disposed on the housing 100, and the insert member 520 is used to insert into the fixing member 510 to connect the suction channel 130 and the insert member 520. Both the fixing member 510 and the insert member 520 are standard parts. When different styles and specifications of vacuum cleaner heads are equipped with the fixing member 510, the vacuum cleaner heads can be quickly replaced for different usage scenarios.

[0061] In this embodiment, the inner wall of the fixing member 510 is provided with an insertion groove section 511 and a rotating groove section 512 that are interconnected. The insertion groove section 511 and the rotating groove section 512 are parallel and the groove direction is consistent with the insertion direction of the inserter 520. The outer wall of the inserter 520 is provided with an insertion protrusion 521, which can be slidably accommodated in the insertion groove section 511 or the rotating groove section 512. When the inserter 520 is connected to the fixing member 510, the inserter 520 is first inserted upward into the fixing member 510, and the insertion protrusion 521 is inserted upward into the insertion groove section 511. After it is fully inserted, the inserter 520 is rotated to the right so that the insertion protrusion 521 is inserted to the right into the rotating groove section 512 and engages, thus completing the connection.

[0062] Another embodiment of this utility model provides a hair vacuum, including an air tube and a hair vacuum head as described above. One end of the air tube is fixedly connected to the insert 520, and the other end is connected to the hair vacuum body. The air tube communicates with the suction channel 130. When changing to a different type of suction head, only one end of the suction head fixing member 510 needs to be removed and installed; there is no need to disassemble or modify the insert 520 of the air tube.

[0063] In summary, this embodiment of the invention adjusts the length of the comb needle 230 extending out of the faceplate 120 via the adjusting member 210, and can be locked by the locking component 300, thereby improving the safety and ease of use of the lint remover head. It is a lint remover head with adjustable settings, which locks the extension length of the comb needle 230 to zero when the head is not in use to prevent scratches, and also allows for precise control of the extension length of the comb needle 230.

[0064] Furthermore, through the design of multiple locking slots at different distances, the push-twist 320 can control the adjustment component 210 to lock in different positions, thereby locking and controlling the extension length of the comb needle 230.

[0065] Furthermore, the adjusting member 210 is also provided with a cavity for accommodating the elastic reset member 400. One end of the elastic reset member 400 is fixedly connected to the adjusting member 210, and the other end is fixedly connected to the housing 100. If the elastic reset member 400 is a tension spring, the tension spring is used to provide preload so that the adjusting member 210 is close to the face cover 120 in the default state to keep the comb needle 230 extending out of the face cover 120 through the comb needle opening 121. In the default state, the push knob 320 is pushed away from the locking groove 310, the comb needle 230 extends out of the comb needle opening 121, and the suction head can be picked up for use, improving efficiency. With the push knob 320 pushed away from the locking groove 310, the adjusting member 210 can still be pushed and pulled to temporarily control the length of the comb needle 230 extending out of the face cover 120. After releasing, the comb needle 230 extends out of the face cover 120 under the action of the tension spring.

[0066] Furthermore, if the elastic reset element 400 is a spring, the spring provides a preload to move the adjusting element 210 away from the faceplate 120, thereby limiting the length of the comb needle 230 extending out of the comb needle opening 121. In the default state, the push knob 320 is pushed away from the locking groove 310, and the comb needle 230 is away from the comb needle opening 121. Depending on the preload of the spring, the comb needle 230 may not extend out of the faceplate 120, improving the safety of the suction head. Even with the push knob 320 pushed away from the locking groove 310, the adjusting element 210 can still be pushed or pulled to temporarily control the length of the comb needle 230 extending out of the faceplate 120. After releasing the knob, the comb needle 230 will not extend out of the faceplate 120 due to the tension spring.

[0067] Furthermore, the hair vacuum cleaner head also includes a connecting component 500, which includes a fixing member 510 and an insert member 520. The fixing member 510 is fixedly mounted on the housing 100, and the insert member is fixedly connected to the air tube of the hair vacuum cleaner. Both the insert member 520 and the fixing member 510 are standard parts, and they can be easily disassembled and assembled when changing to different styles of vacuum cleaner heads, thus improving replacement efficiency.

[0068] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A hair vacuum cleaner head, characterized in that, Includes housing, brush head assembly, and locking assembly; The housing includes a handle and a face cover fixedly connected thereto. An air intake channel is provided inside the housing, and a comb-shaped opening and an air inlet communicating with the air intake channel are provided on the face cover. The brush head assembly includes an adjusting member and a comb needle. The adjusting member is slidably mounted on the handle. The comb needle is fixedly connected to the adjusting member and extends through the comb needle opening. The adjusting member is used to adjust the length of the comb needle extending out of the comb needle opening. The locking assembly includes a locking slot and a push button. The locking slot is formed on the adjusting member, and the push button is slidably mounted on the handle. The push button is used to slide into the locking slot to lock the position of the adjusting member.

2. The hair suction head as described in claim 1, characterized in that, The locking groove includes a first locking groove segment and a second locking groove segment, which are arranged sequentially back and forth along the sliding direction of the adjusting member to lock the length of the comb needle extending out of the comb needle opening.

3. The hair suction head as described in claim 1, characterized in that, The inner side of the adjusting member is provided with a sliding protrusion, and the outer side of the housing is provided with a slide rail. The sliding protrusion and the slide rail are used to cooperate with each other to guide the adjusting member to slide on the housing. The direction of the slide rail is consistent with the length direction of the comb needle.

4. The hair suction head as described in claim 1, characterized in that, The opening direction of the locking groove is perpendicular to the length direction of the comb needle. The housing also includes a limiting stop block to restrict the sliding direction of the push knob from being parallel to the opening direction of the locking groove.

5. The hair suction head as described in claim 1, characterized in that, The hair removal nozzle also includes an elastic reset member. The adjusting member has a cavity for accommodating the elastic reset member. One end of the elastic reset member is fixedly connected to the adjusting member, and the other end is fixedly connected to the housing.

6. The hair suction head as described in claim 5, characterized in that, The elastic reset element is a tension spring, which provides a preload to bring the adjusting element close to the faceplate to keep the comb needles protruding from the faceplate through the comb needle opening.

7. The hair suction head as described in claim 6, characterized in that, The elastic reset element is a spring, which provides a preload to move the adjusting element away from the faceplate to limit the length of the comb needle extending out of the comb needle opening.

8. The hair suction head as described in claim 1, characterized in that, The hair suction head also includes a connecting assembly, which includes a fixing member and an insert member. The fixing member is fixedly disposed on the housing, and the insert member is used to insert into the fixing member to connect the suction channel and the insert member.

9. The hair suction head as described in claim 8, characterized in that, The inner wall of the fastener is provided with an insertion groove and a rotation groove that are connected to each other. The insertion groove and the rotation groove are parallel and the groove direction is consistent with the insertion direction of the fastener. The outer wall of the fastener is provided with an insertion protrusion, which is slidably accommodated in the insertion groove or the rotation groove.

10. A hair suction device, characterized in that, It includes an air tube and a hair suction head as described in any one of claims 1-9, wherein the air tube is in communication with the suction channel.

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