Hair plucking device

Abstract

The utility model provides a defeatherer which comprises a chuck part which comprises a first shell, a first chuck set and a second chuck set. The first chuck group comprises a driving rod and a driven rod, and the driving rod is in transmission connection with a motor of the main body part; the second chuck group comprises two driven rods, and one of the two driven rods is in transmission connection with the driving rod or the driven rod of the first chuck group; the driving rod and the driven rod penetrate through the first shell and extend out of the first shell; outside the first shell, both the driving rod and the driven rod are provided with pointed ends; the conical surfaces of the pointed ends of the driving rod and the driven rod of the first chuck group are parallel and close to each other; the conical surfaces of the pointed ends of the two driven rods of the second chuck group are parallel and close to each other; and the main body part comprises a second shell and a motor arranged in the second shell. According to the defeatherer, the first chuck group and the second chuck group are arranged, so that the defeathering efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of poultry processing, in particular to a hair remover. Background Art

[0002] When using an automatic hair removal machine to remove hair from poultry, there are often cases where the hair is not completely removed. At this time, a hair remover is generally needed for secondary treatment. However, for the existing handheld electric poultry hair remover in the prior art, the hair removal efficiency still needs to be improved. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a hair remover, aiming to solve at least one of the above-mentioned defects in the prior art.

[0004] To achieve the above purpose, the utility model provides a hair remover, including: a chuck part, which includes a first housing, a first chuck group, and a second chuck group;

[0005] The first chuck group includes a driving rod and a driven rod, and the driving rod is in transmission connection with the motor of the main body part;

[0006] The second chuck group includes two driven rods, and one of the two driven rods is in transmission connection with the driving rod or the driven rod of the first chuck group;

[0007] The driving rod and the driven rod pass through the first housing and extend outside the first housing;

[0008] Outside the first housing, the driving rod and the driven rod are both provided with pointed ends;

[0009] Wherein, for the driving rod and the driven rod of the first chuck group, the conical surfaces of the pointed ends are parallel and close to each other; for the two driven rods of the second chuck group, the conical surfaces of the pointed ends are parallel and close to each other;

[0010] A main body part, which includes a second housing and a motor arranged in the second housing.

[0011] Compared with the prior art, in this application, by arranging a driving rod and a driven rod in the first chuck group, and the driving rod is in transmission connection with the motor of the main body part, the driving rod can rotate, thereby providing a power source for the hair remover to remove hair. The second chuck group includes two driven rods, and one of the two driven rods is in transmission connection with the driving rod or the driven rod of the first chuck group, so that the driven rods of the second chuck group can also rotate. The driving rod and the driven rod pass through the first housing and extend outside the first housing, and the driving rod and the driven rod outside the first housing are both provided with pointed ends, and the conical surfaces of the pointed ends are parallel and close to each other, so that the hair remover can remove hair through the pointed ends. By arranging the first chuck group and the second chuck group, the second chuck group can rotate along with the first chuck group, thereby increasing the number of pointed ends for hair removal and improving the hair removal efficiency.

[0012] In some embodiments, the chuck portion includes a first housing, a first chuck group, and a second chuck group;

[0013] Wherein, the first chuck group includes a driving rod, a first driven rod, a first bearing and a driving gear sleeved on the driving rod, and a first bearing and a first driven gear sleeved on the first driven rod, and the driving gear meshes with the first driven gear;

[0014] The second chuck group includes a second driven rod, a third driven rod, a second bearing and a second driven gear sleeved on the second driven rod, and a second bearing and a third driven gear sleeved on the third driven rod, and the second driven gear meshes with the driving gear and meshes with the third driven gear; or the second driven gear meshes with the first driven gear and meshes with the third driven gear.

[0015] By providing the driving gear, the first driven gear, the second driven gear, and the third driven gear, it is possible to rotate the driving rod and the driven rods of the first chuck group and the second chuck group.

[0016] In some embodiments, the chuck portion further includes a modular mounting box, which is detachably mounted in the first housing;

[0017] The first chuck group and the second chuck group are mounted in the modular mounting box, and the driving rod and the driven rods pass through the modular mounting box and extend out of the modular mounting box.

[0018] By providing the modular mounting box, which is detachably mounted in the first housing, and the first chuck group and the second chuck group are mounted in the modular mounting box, it is possible to modularly mount the first chuck group and the second chuck group, making the disassembly of the first chuck group and the second chuck group faster and improving the efficiency of replacement, installation, and debugging.

[0019] In some embodiments, the hair remover further includes a first adjusting member, which abuts against the first bearing of the first chuck group, and the first bearing is located on the driven rod of the first chuck group;

[0020] Under the action of an external tool, the first adjusting member extrudes the first end of the driven rod outwards, so that the pointed head at the second end of the driven rod approaches the pointed head of the driving rod.

[0021] By providing the first adjusting member, under the action of an external tool, the first end of the driven rod is extruded outwards, so that the pointed head at the second end of the driven rod approaches the pointed head of the driving rod, enabling the pointed heads of the first chuck group to approach each other, reducing the gap between the pointed heads, and allowing hair to enter the pointed heads with a smaller gap, thus facilitating hair removal.

[0022] In some embodiments, the hair puller further includes a second adjusting member that abuts against a second bearing of the second chuck group, and the second bearing is located on one of the two driven rods of the second chuck group;

[0023] Under the action of an external tool, the second adjusting member extrudes the first end of the driven rod where the second bearing is located outward, so that the pointed head at the second end of the driven rod where the second bearing is located approaches the pointed head of the other driven rod.

[0024] By providing the second adjusting member, under the action of an external tool, the first end of the driven rod is extruded outward, so that the pointed head at the second end of the driven rod approaches the pointed head of the other driven rod, enabling the pointed heads of the second chuck group to approach each other, reducing the gap between the pointed heads, and allowing hair to enter the pointed heads with a smaller gap, thus facilitating hair pulling.

[0025] In some embodiments, the hair puller further includes an adjusting member for adjusting the offset distance of the driven rod, which includes a first adjusting member cooperating with the first chuck group and / or a second adjusting member cooperating with the second chuck group;

[0026] The adjusting member includes a screw and a nut; the head of the screw abuts against a bearing on the driven rod; the nut is located outside the first housing;

[0027] The head of the screw has an inclined surface that abuts against the bearing on the first end of the driven rod.

[0028] By providing the adjusting member with a screw and a nut, the head of the screw has an inclined surface that abuts against the bearing on the first end of the driven rod, enabling the first end of the driven rod to be extruded outward by tightening the screw, which makes it possible for the adjusting member to adjust the gap between the pointed heads.

[0029] In some embodiments, the hair puller further includes a first limiting member that cooperates with a first bearing of the first chuck group, and the first bearing is located on the driven rod of the first chuck group;

[0030] The first limiting member contacts the first bearing to limit the offset distance of the driven rod where the first bearing is located.

[0031] By providing the first limiting member to limit the offset distance of the driven rod where the first bearing is located, there is no need to worry about the situation where the gap between the two pointed heads is too small due to excessive adjustment, resulting in the unusability of the pointed heads.

[0032] In some embodiments, the hair puller further includes a second limiting member that cooperates with a second bearing of the second chuck group, and the second bearing is located on one of the two driven rods of the second chuck group;

[0033] The second limiting member contacts the second bearing to limit the offset distance of the driven rod where the second bearing is located.

[0034] By providing a second limiting member to limit the offset distance of the driven rod where the second bearing is located, there is no need to worry about the situation where the gap between the two pointed ends is too small due to excessive adjustment, resulting in the unusability of the pointed ends.

[0035] In some embodiments, the hair remover further includes a limiting member for limiting the offset distance of the driven rod, which includes a first limiting member cooperating with the first chuck group and / or a second limiting member cooperating with the second chuck group;

[0036] The limiting member includes a limiting main body and a contact portion. The limiting main body has a groove to make it elastic; the contact portion is in matching contact with the first bearing or the second bearing.

[0037] By providing a limiting main body and a contact portion in the limiting member, and the limiting main body having a groove to make it elastic, the limiting member can always fit against the bearing, preventing the bearing from shaking and improving the stability of the first chuck group and the second chuck group.

[0038] In some embodiments, the chuck portion is detachably provided on the main body portion;

[0039] Wherein, the first housing is detachably connected to the second housing, and the motor shaft of the motor is detachably connected to the driving rod.

[0040] By the chuck portion being detachably provided on the main body portion, the first housing being detachably connected to the second housing, and the motor shaft being detachably connected to the driving rod, it provides the possibility for the replacement, installation, and debugging of the hair remover. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] The drawings described herein are used to provide a further understanding of the present invention, and constitute a part of this application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0042] Figure 1 is an overall structural schematic diagram of a hair remover of the present invention;

[0043] Figure 2 is an exploded structural schematic diagram of the chuck portion of a hair remover of the present invention;

[0044] Figure 3 is a structural schematic diagram of the chuck portion of a hair remover of the present invention;

[0045] Figure 4 is a structural schematic diagram of the adjusting member and the limiting member of a hair remover of the present invention;

[0046] Figure 5 isFigure 4 Schematic view in the A direction of

[0047] Explanation of reference numerals:

[0048] 1 Chuck part, 11 First housing, 12 Modular installation box, 13 First chuck group, 131 Driving rod, 1311 Tip, 132 First driven rod, 1321 First end, 1322 Second end, 133 First bearing, 134 Driving gear, 135 First driven gear, 14 Second chuck group, 141 Second driven rod, 142 Third driven rod, 143 Second bearing, 144 Second driven gear, 145 Third driven gear;

[0049] 2 Main body part, 21 Second housing, 22 Motor, 3 First adjusting part, 31 Screw rod, 311 Inclined surface, 32 Nut, 4 Second adjusting part, 5 First limiting part, 51 Limiting main body, 511 Groove, 52 Contact part, 6 Second limiting part. Detailed implementation mode

[0050] The technical solution provided by the present utility model will be described in more detail below with reference to the accompanying drawings.

[0051] As Figure 1 shown, the hair remover according to the embodiment of the present application includes: a chuck part 1 and a main body part 2.

[0052] Among them, the chuck part 1 includes a first housing 11, a modular installation box 12, a first chuck group 13, and a second chuck group 14.

[0053] As Figure 2 shown, the first housing 11, which is the outer shell of the chuck part 1, can be split into upper and lower shells, and then the modular installation box 12 can be placed.

[0054] The modular installation box 12 is detachably installed in the first housing 11. The first chuck group 13 and the second chuck group 14 are installed in the modular installation box 12, and the driving rod 131 and the driven rod pass through the modular installation box 12 and extend outside the modular installation box 12. For example, the inner wall of the first housing 11 has a limiting post, and the modular installation box 12 has a limiting hole. By inserting the limiting post into the limiting hole and covering the upper and lower shells of the first housing 11, the modular installation box 12 is fixed. There are through holes on the first housing 11 and the modular installation box 12 so that the driving rod 131 and the driven rod can partially extend outside the modular installation box 12. Specifically, the tip parts of the driving rod 131 and the driven rod extend outside the modular installation box 12.

[0055] As Figure 3As shown, the first chuck group 13 includes a driving rod 131 and a driven rod, and the driving rod 131 is in transmission connection with the motor 22 of the main body part 2. The driving rod 131 and the driven rod of the first chuck group 13 are provided with pointed ends for plucking hair. In this embodiment, the first chuck group 13 has one driving rod 131 and one driven rod. It should be understood that in other embodiments, in order to improve the hair plucking effect, the first chuck group 13 may have multiple driven rods.

[0056] The second chuck group 14 includes two driven rods, and one of the two driven rods is in transmission connection with the driving rod 131 of the first chuck group 13. The driven rods of the second chuck group 14 are provided with pointed ends for plucking hair. In this embodiment, the driven rods of the second chuck group 14 are in transmission connection with the driving rod 131 of the first chuck group 13 to shorten the distance of force transmission and prevent the situation that the torque is too large when the driven rods are in transmission connection with each other and the transmission mechanism is damaged. In other embodiments, the driven rods included in the second chuck group 14 may also be in transmission connection with the driven rods of the first chuck group 13.

[0057] The driving rod 131 of the first chuck group 13 and the driven rods of the first chuck group 13 and the second chuck group 14 pass through the first housing 11 and extend outside the first housing 11. In this embodiment, the pointed ends 1311 of the driving rod 131 and the driven rods and the partial rods connecting the pointed ends extend. In other embodiments, in order to shorten the size of the device or reduce the distance of force transmission, only the pointed ends 1311 may extend outside the first housing 11.

[0058] In order to enable the pointed ends to pluck hair, the conical surfaces of the pointed ends 1311 of the driving rod 131 and the driven rods of the first chuck group 13 are parallel and close to each other; for the two driven rods of the second chuck group 14, the conical surfaces of the pointed ends are parallel and close to each other. For example, in this embodiment, in order to make the hair plucking effect on the surface passed by the pointed ends better, the extension lines of the driving rod 131, the driven rods of the first chuck group 13 and the driven rods of the second chuck group 14 converge at a point, making the two pointed ends closer and the hair plucking effect better. By setting the two pointed ends of the first chuck group 13 and the second chuck group 14 to have parallel and close conical surfaces, when the hair passes through the gap between the two pointed ends, the pointed ends can pluck the hair.

[0059] In this application, by providing the first chuck group 13 and the second chuck group 14, and the first chuck group 13 and the second chuck group 14 are in transmission connection, the hair plucker can pluck hair at two places simultaneously, and the hair plucking efficiency is improved.

[0060] Among them, the main body part 2 is used to accommodate a power source, for example, to accommodate a motor and a battery. In this embodiment, the main body part 2 includes a second housing 21 and a motor 22. Specifically, the chuck part 1 is detachably arranged on the main body part 2, the first housing 11 is detachably connected to the second housing 21, and the motor shaft of the motor 22 is detachably connected to the driving rod. For example, the first housing 11 and the second housing 21 are connected by a buckle, and the motor shaft of the motor 22 and the driving rod are connected by a thread.

[0061] Preferably, the first chuck group 13 includes a driving rod 131, a first driven rod 132, a first bearing 133 sleeved on the driving rod 131, a driving gear 134, a first bearing 133 and a first driven gear 135 sleeved on the first driven rod 132, and the driving gear 134 meshes with the first driven gear 135. For example, one end of the driving rod 131 is threaded, which extends into the main body part 2 and is detachably connected to the motor. The other end of the driving rod 131 is pointed; one end of the first driven rod 132 is flat, which is placed in the modular mounting box 12, and the other end is pointed. In order to make the driving rod 131 and the first driven rod 132 run more smoothly, two first bearings 133 are respectively sleeved on the driving rod 131 and the first driven rod 132; in other embodiments, only one bearing can also be sleeved. The first bearing 133 can be a ball bearing. The driving gear 134 and the first driven gear 135 have the same shape and module for easy meshing. Of course, in other embodiments, the ratio of the module of the driving gear 134 to the driven gear can also be adjusted. For example, different ratios are selected according to different hairs to be plucked. In this embodiment, the driving gear 134 and the first driven gear 135 are spur gears. Of course, in order to achieve better meshing, bevel gears can also be selected.

[0062] Preferably, the second chuck group 14 includes a second driven rod 141, a third driven rod 142, a second bearing 143 sleeved on the second driven rod 142, a second driven gear 144, a second bearing 143 and a third driven gear 145 sleeved on the third driven rod 142. In this embodiment, the second driven gear 144 meshes with the driving gear 134 and also meshes with the third driven gear 145. In this embodiment, the driving gear 134 has the same parameters as other driven gears. In other embodiments, the second driven gear 144 can also mesh with the first driven gear 135 and mesh with the third driven gear 145.

[0063] In this embodiment, when the motor 22 rotates, the motor shaft drives the driving rod 131 connected thereto to rotate, and then the driving gear 134 sleeved on the driving rod 131 rotates; the first driven gear 135 and the second driven gear 144 meshing with the driving gear 134 are driven by the driving gear 134 to rotate, and the third driven gear 145 is driven by the second driven gear 144 to rotate; finally, the pointed ends of the driving rod and the driven rods rotate, so as to pluck hair.

[0064] As shown in Figure 4 , Figure 5 , preferably, in order to adjust the gap between the adjusting tips of the adjusting members to make the gap smaller and easier to pluck hair, the hair plucker further includes a first adjusting member 3, a second adjusting member 4, a first limiting member 5, and a second limiting member 6.

[0065] Among them, the first adjusting member 3 abuts against the first bearing 133 of the first chuck group 13, and the first bearing 133 is located on the driven rod of the first chuck group 13. Under the action of an external tool, the first adjusting member 3 extrudes the first end 1321 of the driven rod outward, so that the tip of the second end 1322 of the driven rod approaches the tip of the driving rod 131. Specifically, the first adjusting member 3 abuts against the first bearing 133 on the first driven rod 132. Under the action of an external tool, the first adjusting member 3 extrudes the first end 1321 of the first driven rod 132 toward the first limiting member 5, and the tip of the second end 1322 of the first driven rod 132 approaches the tip of the driving rod 131.

[0066] Similarly, the second adjusting member 4 abuts against the second bearing 143 on the third driven rod 142. Under the action of an external tool, the second adjusting member 4 extrudes the first end of the third driven rod 142 where the second bearing 143 is located outward, so that the tip of the second end of the third driven rod 142 where the second bearing 143 is located approaches the tip of the second driven rod 141.

[0067] Preferably, the first adjusting member 3 includes a screw 31 and a nut 32; the head of the screw 31 abuts against the first bearing 133 on the first driven rod 132; the nut 32 is located outside the first housing; the head of the screw 31 has an inclined surface 311, and the inclined surface 311 abuts against the first bearing 133 on the first end 1311 of the first driven rod 132. Specifically, by using an external tool, such as a wrench, to tighten the nut 32, the screw 31 moves downward, so that the screw 31 extrudes the first bearing 133 to the right through the inclined surface 311, causing the first driven rod 132 to move outward. The middle of the first driven rod 132 is limited by another bearing and can only rotate but not move. Thus, the tip of the second end 1322 of the first driven rod 132 approaches the tip of the driving rod 131, achieving a reduction in the gap between the chucks of the first chuck group 13, thereby making the hair clamping effect better. It should be understood that the second adjusting member 4 is the same as the first adjusting member 3.

[0068] Among them, the first limiting member 5 cooperates with the first bearing 133 of the first chuck group 13, and the first bearing 133 is located on the first driven rod 132 of the first chuck group 13; the first limiting member 5 contacts the first bearing 133 to limit the offset distance of the first driven rod 132 where the first bearing 133 is located. Specifically, when the first adjusting member 3 squeezes the first bearing 133 through the inclined surface 311, the first limiting member 5 prevents the first bearing 133 from moving excessively, avoiding too small a gap between the chucks. In some embodiments, the first limiting member 5 is a limiting post fixed on the modular mounting box 12.

[0069] Preferably, the first limiting member 5 includes a limiting main body 51 and a contact portion 52. The limiting main body 51 has a groove 511 to make it elastic; the contact portion 52 is in matching contact with the first bearing 133. Specifically, the limiting main body 51 can be made of plastic. One side of the limiting main body 51 has a groove 511, and the groove 511 is C-shaped. Because the limiting main body 51 has the groove 511, the structural strength of the limiting main body 51 becomes lower, so that the limiting main body 51 has a certain elasticity; the other side of the limiting main body 51 is the contact portion 52, and the contact portion 52 contacts the first bearing 133. When the first adjusting member 3 squeezes the first bearing 133, the elastic first limiting member 5 can provide an elastic force so that the first limiting member 5 and the first adjusting member 3 clamp the first bearing 133 to prevent the first bearing 133 from shaking and improve stability. Similarly, the second limiting member 6 is the same as the first limiting member 5.

[0070] It should be understood that in some other embodiments, the first limiting member 5 can be a limiting main body without elasticity; the second limiting member 6 is also a limiting main body without elasticity.

[0071] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "vertical", "horizontal", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the protection scope of the present invention.

[0072] If terms such as "first" and "second" are used in this article to limit components, those skilled in the art should be aware that the use of "first" and "second" is only for the convenience of describing the present invention and simplifying the description. Without additional statements, the above terms have no special meanings.

[0073] The present utility model is not limited to the above embodiments. If various modifications or deformations of the present utility model do not depart from the spirit and scope of the present utility model, and provided that these modifications and deformations are within the scope of the claims of the present utility model and equivalent technical scope, then the present utility model also intends to encompass these modifications and deformations.

Claims

1. A hair puller, characterized in that: include: A chuck portion, comprising a first housing, a first chuck group, and a second chuck group; The first chuck assembly includes an active rod and a driven rod, and the active rod is transmission-connected to the motor of the main body; The second chuck group includes two driven rods, and one of the two driven rods is drivingly connected to the active rod or the driven rod of the first chuck group; The active rod and the driven rod pass through the first housing and extend out of the first housing; Outside the first housing, the active rod and the driven rod are both provided with pointed tips; The active rod and the driven rod of the first chuck group have parallel and close conical surfaces at their tips; the two driven rods of the second chuck group have parallel and close conical surfaces at their tips; The main body part includes a second shell and a motor arranged in the second shell.

2. The hair remover according to claim 1, characterized in that: The chuck portion includes a first housing, a first chuck group, and a second chuck group; Wherein, the first chuck assembly comprises an active rod, a first driven rod, a first bearing and an active gear sleeved on the active rod, a first bearing and a first driven gear sleeved on the first driven rod, and the active gear meshes with the first driven gear; The second chuck group includes a second driven rod, a third driven rod, a second bearing and a second driven gear sleeved on the second driven rod, a second bearing and a third driven gear sleeved on the third driven rod, the second driven gear is meshed with the driving gear and the third driven gear; or the second driven gear is meshed with the first driven gear and the third driven gear.

3. The hair plucker according to claim 1, characterized in that: The clamping head part also includes a modular mounting box, which is detachably mounted in the first housing; The first chuck group and the second chuck group are installed in a modular installation box, and the active rod and the driven rod pass through the modular installation box and extend out of the modular installation box.

4. The epilator according to claim 1, characterized in that: The hair remover also includes a first adjusting member, which is tightly pressed against a first bearing of the first chuck group, and the first bearing is located on a driven rod of the first chuck group; Under the action of an external tool, the first adjusting member presses the first end of the driven rod outward, so that the tip of the second end of the driven rod moves closer to the tip of the active rod.

5. The hair plucker according to claim 1, characterized in that: The hair remover also includes a second adjusting member, which is tightly pressed against a second bearing of the second chuck group, and the second bearing is located on one of the two driven rods of the second chuck group; Under the action of the external tool, the second adjusting member presses the first end of the driven rod where the second bearing is located outward, so that the tip of the second end of the driven rod where the second bearing is located moves closer to the tip of the other driven rod.

6. The epilator according to claim 1, characterized in that: The hair puller also includes an adjusting member for adjusting the offset distance of the driven rod, which includes a first adjusting member matched with the first chuck group and / or a second adjusting member matched with the second chuck group; The adjusting member comprises a screw and a nut; the head of the screw is tightly pressed against the bearing on the driven rod; the nut is located outside the first housing; The head of the screw rod has an inclined surface, and the inclined surface is tightly pressed against the bearing on the first end of the driven rod.

7. The hair plucker according to claim 1, characterized in that: The hair remover also includes a first limiter, which cooperates with a first bearing of the first chuck group, and the first bearing is located on the driven rod of the first chuck group; The first limiting member contacts the first bearing to limit the offset distance of the driven rod where the first bearing is located.

8. The epilator according to claim 1, characterized in that: The hair remover also includes a second limiting member, which cooperates with a second bearing of the second chuck group, and the second bearing is located on one of the two driven rods of the second chuck group; The second limiting member contacts the second bearing to limit the offset distance of the driven rod where the second bearing is located.

9. The epilator according to claim 1, characterized in that: The hair remover also includes a limiting member for limiting the displacement distance of the driven rod, which includes a first limiting member matched with the first chuck group and / or a second limiting member matched with the second chuck group; The limiting member comprises a limiting body and a contact portion, wherein the limiting body has a groove to make it elastic; and the contact portion is in matching contact with the first bearing or the second bearing.

10. The epilator according to claim 1, characterized in that: The chuck portion is replaceably arranged on the main body portion; Wherein, the first shell is detachably connected to the second shell, and the motor shaft of the motor is detachably connected to the active rod.

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