CN211298736U - Double-anion comb with integrated handle capable of being directly rolled into two parts - Google Patents

Abstract

The utility model provides a two anion combs of integral handle of two unifications of straight book belongs to the technical field of hair-dressing instrument. A double-negative-ion comb with a straight-winding two-in-one integral handle comprises a handle, a comb tooth structure, a heating structure, a negative ion structure and a control structure; the utility model has the advantages that the protection strips are arranged on the two sides of the working end of the handle, and the two ends of the anion needle of the anion structure arranged between the working end and the handheld end of the handle respectively extend to the two sides of the working end and are respectively connected with the two protection strips, so that the protection strips can follow the entering direction of hair, thereby realizing that the anion can be fully contacted with the hair after being released from the protection strips, ensuring that the generated hair can still be contacted with the anion, and improving the hair care performance; in addition, a handle sleeve is sleeved outside the handheld end of the handle, the handheld end of the combined structure can form a whole in appearance through the handle sleeve, the attractiveness is improved, safety problems such as electric leakage and the like can be prevented, and the safety protection performance is higher.

Description

Double-anion comb with integrated handle capable of being directly rolled into two parts

Technical Field

The utility model relates to a technical field of hairdressing tool specifically is a two anion combs that relate to a two unification integral handles of straight book.

Background

Among hair dressing tools, a hair straightening comb and a hair curling comb are widely used by people, and for the convenience of use, a structure of combining the hair straightening comb and the hair curling comb into a whole becomes the research direction of people.

At present, a straight-rolling two-in-one comb on the market is generally provided with a comb tooth structure at one end of a handle, a heating structure is arranged below the comb tooth structure, a control structure is arranged at the other end of the handle, and an anion structure is arranged on the handle and between the control structure and the comb tooth structure and close to the comb tooth structure, so that the heating structure and the anion structure are controlled by the control structure to work, the straight-rolling operation on hair and the release of anions to protect the hair are realized, however, one end of the handle provided with the control structure is a handheld end, the handheld end is provided with a rear cover, the rear cover is locked by a screw structure and the like, the connection structure of metal such as a screw is leaked, the appearance is poor, the safety risk of easy electric leakage exists, the safety protection performance is poor, in addition, the anions generated by the anion structure are directly discharged through an anion hole at the comb tooth structure, the negative ions are only discharged from a single surface and only discharged on the surface of the hair, so that the defect that the deep hair can not contact the negative ions is caused, and the using effect is poor.

Disclosure of Invention

Aiming at the problems in the prior art, the double-anion comb with the integrated straight-rolling two-in-one handle is provided so as to solve the problems that the straight-rolling two-in-one comb in the current market is poor in aesthetic property and safety protection property and poor in using effect caused by the fact that anions cannot contact deep hair.

The specific technical scheme is as follows:

a double anion comb with a straight-rolling two-in-one integrated handle, which is characterized by comprising: the handle, the broach structure, the heating structure, anion structure and control structure, the handle includes handheld end and work end, be provided with the broach structure in the work end, be provided with the control structure in the handheld end, the below that just is located the broach structure in the work end is provided with the heating structure, the junction that just is located handheld end and work end in the handle simultaneously is provided with the anion structure, the both ends of anion needle of anion structure extend to the both sides of handle, and, the both sides that just are located the heating structure on the work end all are provided with the protecting strip, and a protecting strip corresponds the one end of anion needle, and simultaneously, the outside cover in handheld end is equipped with an integral handle cover that is the tube-shape and sets up.

The double-anion comb with the straight-rolling two-in-one integral handle is characterized in that an upper handle cover is further arranged on the handheld end, a hollow space is formed between the handheld end of the handle and the upper handle cover, a control structure is arranged in the hollow space, a fixing screw is arranged between the handheld end and the upper handle cover, and the handle is sleeved outside a structure formed by combining the handheld end and the upper handle cover.

The two anion combs of the integral handle of two unifications of foretell straight book, wherein, one side that heating structure deviates from the broach structure is provided with thermal-insulated structure, and thermal-insulated structure deviates from one side of heating structure and is fixed in the work end of handle.

The two anion combs of two unification integral handles are directly rolled up to foretell, wherein, the heating structure includes that the side generates heat aluminium leads to, the heating element subassembly, preforming and shell fragment, the side generates heat aluminium leads to and sets up in thermal-insulated structure's top, and the both sides that the side generates heat aluminium leads to set up a protecting strip respectively, simultaneously, the one side that leads to deviating from thermal-insulated structure in the side generates heat aluminium is provided with the shell fragment, and the shell fragment generates heat one side that the aluminium leads to that leans on the preforming, one side that the preforming deviates from the shell fragment is provided with the heating element subassembly.

The utility model provides a foretell two anion combs of two unification integral handles of book, wherein, broach structure includes the aluminium comb, prevents scalding comb and comb visor, and the aluminium comb sets up in one side that heating element deviates from the preforming, is provided with a plurality of staggered arrangement's aluminium broach on the aluminium comb to overlap respectively on aluminium comb and aluminium broach and prevent scalding the comb and being equipped with the comb visor, and prevent scalding the comb upper cover and be equipped with the comb visor, and prevent scalding the broach of preventing scalding the comb and stretch out outside the comb visor.

The two anion combs of the integral handle of two unifications of foretell straight book, wherein, the anion structure includes anion generator, anion support and anion needle, anion generator sets up in the junction of handheld end and work end, anion support includes left anion frame and right anion frame, left anion frame and right anion frame are connected respectively on two protecting strips, the anion needle is "U" font setting, and the both ends of anion needle are fixed in respectively on left anion frame and the right anion frame.

Foretell two anion combs of integral handle of two unifications of straight book, wherein, thermal-insulated structure includes the radiation shield casing, thermal-insulated cotton and thermal-insulated mica paper, and the radiation shield casing sets up in the side aluminium that generates heat leads to the one side that deviates from the broach structure and is fixed in the work end, and the radiation shield casing deviates from the side aluminium that generates heat and leads to one side and is provided with thermal-insulated cotton, is provided with thermal-insulated mica paper in one side that thermal-insulated cotton deviates from the radiation shield casing simultaneously, and thermal-insulated mica paper supports to lean on the wall body in.

The double-anion comb with the straight-rolling two-in-one integral handle is characterized in that a fuse component is embedded in the heat insulation sleeve and is electrically connected to the control structure.

The two anion combs of two unification integral handles of foretell straight book, wherein, the protecting strip is provided with hollowly, and spaced apart on the protecting strip and be equipped with a plurality of anion discharge holes, and anion discharge hole all with hollow intercommunication, simultaneously, each anion discharge hole department all has seted up one on the protecting strip and has held the hair groove, and each holds the hair groove and all communicates with an anion discharge hole.

The double-negative-ion comb of the straight-rolling two-in-one integral handle further comprises a locking ring and a locking ring inner cover, the locking ring is arranged in a cylindrical mode, the locking ring is sleeved outside a structure formed by the handheld end and the upper handle cover in a combined mode and clamped, one end of the locking ring abuts against one end of the handle sleeve, which deviates from the working end, the locking ring inner cover is arranged in an opening of the other end of the locking ring, and a power line of a connection control structure is arranged on the locking ring inner cover.

The positive effects of the technical scheme are as follows:

according to the double-anion comb with the straight-rolling two-in-one integral handle, the protective strips with the anion discharge holes are arranged on the two sides of the working end of the handle, and the two ends of the anion needle of the anion generator respectively extend into the two protective strips, so that the two sides of anions are discharged, when the hair is subjected to straight-rolling operation, the hair is embedded into the hair holding grooves of the protective strips, directly contacts with the anions released in the anion discharge holes and follows the entering direction of the hair, the contact of the anions on the hair is more uniform, and the anions can contact with deep hair, so that the hair care effect is improved; in addition, the handle sleeve is sleeved outside the whole body formed by the handheld end of the handle and the upper handle cover after being fixed through the fastening screw, and the handle sleeve is fixedly clamped with the inner cover of the locking ring through the locking ring, so that the leakage of metal fixing structures such as screws is prevented, the overall attractiveness of the appearance of a product can be improved, and the safety protection performance of the product can also be improved.

Drawings

FIG. 1 is a structural diagram of an embodiment of a double anion comb with a straight and rolling two-in-one integral handle according to the present invention;

FIG. 2 is a longitudinal cross-sectional view of a preferred embodiment of the present invention;

fig. 3 is an exploded view of a preferred embodiment of the present invention;

fig. 4 is an exploded view of a handle cover and a handle according to a preferred embodiment of the present invention.

In the drawings: 1. a handle; 11. a handheld end; 12. a working end; 13. protecting the strip; 14. a handle cover; 15. a locking ring; 16. an inner lock ring cover; 111. an upper handle cover; 131. a negative ion discharge hole; 132. a hair holding groove; 2. a comb structure; 21. an aluminum comb; 22. an anti-scald comb; 23. a comb protection cover; 211. aluminum comb teeth; 221. anti-scald comb teeth; 3. a heat generating structure; 31. side heating aluminum tube; 32. a heater assembly; 33. tabletting; 34. a spring plate; 4. a negative ion structure; 41. a negative ion generator; 42. a negative ion support; 43. a negative ion needle; 421. a left negative ion rack; 422. a right negative ion rack; 5. a control structure; 6. a thermally insulating structure; 61. a heat insulating sleeve; 62. heat insulation cotton; 63. heat-insulating mica paper; 7. a fuse assembly.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following embodiments are specifically described with reference to fig. 1 to 4, but the following contents are not intended to limit the present invention.

FIG. 1 is a structural diagram of an embodiment of a double anion comb with a straight and rolling two-in-one integral handle according to the present invention; FIG. 2 is a longitudinal cross-sectional view of a preferred embodiment of the present invention; fig. 3 is an exploded view of a preferred embodiment of the present invention. As shown in fig. 1, fig. 2 and fig. 3, the double negative ion comb of the straight-rolling two-in-one integrated handle provided in this embodiment includes: handle 1, broach structure 2, heating structure 3, anion structure 4 and control structure 5, handle 1 is including handheld end 11 and work end 12 again, be provided with broach structure 2 in the work end 12, be provided with control structure 5 in the handheld end 11, the below that just is located broach structure 2 in the work end 12 is provided with heating structure 3, the junction that just is located handheld end 11 and work end 12 in handle 1 is provided with anion structure 4 simultaneously, and heating structure 3 and anion structure 4 all electricity connect on control structure 5, make through the control structure 5 control in handheld end 11 and adjust heating structure 3 and anion structure 4's function. In addition, both ends of the negative ion needle 43 of the negative ion structure 4 extend to both sides of the handle 1, and the working end 12 and both sides of the heating structure 3 are provided with the guard bars 13, and one guard bar 13 corresponds to one end of the negative ion needle 43, so that negative ions generated by the negative ion structure 4 can be released into the guard bars 13 at both sides of the working end 12 and released onto hairs through the guard bars 13, because the guard bars 13 are arranged at both sides of the working end 12 and can follow the entering direction of the hairs, the negative ions can better contact the hairs, realize contact with deep-layer hairs, improve the hair care effect, meanwhile, the external of the handheld end 11 is sleeved with the integral handle sleeve 14 which is arranged in a cylindrical shape, so that after the installation of parts in the handheld end 11 is completed, the handle sleeve 14 can be sleeved outside the handheld end 11, so that the handheld end 11 of the handle 1 forms an integral body, which not only improves the aesthetic property of the appearance, meanwhile, the electric leakage is protected, and the safety protection performance is improved.

Fig. 4 is an exploded view of the handle cover 14 and the handle 1 according to a preferred embodiment of the present invention. As shown in fig. 1 to 4, an upper handle cover 111 is further disposed on the handheld end 11 of the handle 1, a hollow space is disposed between the handheld end 11 of the handle and the upper handle cover 111, parts such as the control structure 5 are disposed in the hollow space, and a fixing screw is disposed between the handheld end 11 and the upper handle cover 111, so that after the parts in the handheld end 11 are mounted, the upper handle cover 111 is fixed on the handheld end 11 through the fixing screw, then the handle sleeve 14 is sleeved outside the structure formed by combining the handheld end 11 and the upper handle cover 111, and the handheld end 11 and the upper handle cover 111 are wrapped into a whole through the handle sleeve 14, thereby improving the integrity of the appearance, being more beautiful, being capable of preventing potential safety hazards such as electric leakage, and having higher safety guarantee.

Specifically, the one side that just is located heating structure 3 and deviates from broach structure 2 in handle 1's work end 12 is provided with thermal-insulated structure 6, and thermal-insulated structure 6 deviates from one side of heating structure 3 and is fixed in handle 1's work end 12 in for be provided with thermal-insulated structure between heating structure 3 and handle 1's the main part, prevented that heating structure 3's heat transfer from to the handle 1 of plastics and lead to handle 1's scald damage and scald user's risk, the structure is more reasonable.

Specifically, the heating structure 3 in the working end 12 of the handle 1 comprises a side heating aluminum through 31, a heater assembly 32, a pressing sheet 33 and an elastic sheet 34, the side heating aluminum through 31 is arranged above the heat insulation structure 6, two sides of the side heating aluminum through 31 are respectively provided with a protection strip 13, and the side heating aluminum through 31 realizes the heating of two sides of the working end 12, so that the hair contact heat area is larger, and the efficiency of straight hair curling is improved. Simultaneously, it is provided with shell fragment 34 to lead to one side that 31 deviates from thermal-insulated structure 6 in side aluminium that generates heat, and shell fragment 34 deviates from one side that 31 is led to the side aluminium that generates heat and supports on preforming 33, one side that preforming 33 deviates from shell fragment 34 is provided with heater subassembly 32, in addition, 31 and heater subassembly 32 electricity all are connected on control structure 5 to the side aluminium that generates heat, make can compress tightly heater subassembly 32 elasticity on broach structure 2 through shell fragment 34 and preforming 33, make broach structure 2 can be heated by heater subassembly 32 fast, the heating effect is better.

Specifically, the comb structure 2 disposed above the heating structure 3 further includes an aluminum comb 21, an anti-scald comb 22 and a comb protection cover 23, the aluminum comb 21 is disposed on one side of the heating component away from the pressing sheet 33, so that the aluminum comb 21 can contact the heating component, which is convenient for realizing the heating of the aluminum comb 21, thereby realizing the operation of straightening curls, and a plurality of aluminum comb 21 teeth arranged in a staggered manner are disposed on the aluminum comb 21, by disposing the aluminum comb 21 teeth arranged in a staggered manner, the hair can be straightened and curled more smoothly, the hair straightening and curling effect is improved, and an anti-scald comb 22 and an anti-scald comb 221 are respectively sleeved on the aluminum comb 21 and the aluminum comb 21 teeth thereof, the anti-scald comb 21 and the aluminum comb 21 teeth which are prevented from heating directly contact the hair and the scalp, thereby avoiding the problem of scalding, the safety guarantee is higher, in addition, the anti-scald comb 22 is covered with the comb protection cover 23, and the anti-scald protection cover 23 extends out, not only has realized preventing scalding protection of comb 22 and preventing scalding broach 221 through comb visor 23, simultaneously, also can be as limit structure will prevent scalding comb 22 and prevent scalding broach 221 and be fixed in on the work end 12 of handle 1, the structure is more reasonable.

Specifically, the negative ion structure 4 in the handle 1 includes the negative ion generator 41, the negative ion support 42 and the negative ion needle 43, the negative ion generator 41 is disposed at the joint of the handheld end 11 and the working end 12, the negative ion support 42 includes the left negative ion frame 421 and the right negative ion frame 422, the left negative ion frame 421 and the right negative ion frame 422 are respectively connected to the two protection strips 13, the negative ion needle 43 is in a U-shaped configuration, and the two ends of the negative ion needle 43 are respectively fixed to the left negative ion frame 421 and the right negative ion frame 422, at this time, the negative ion generator is electrically connected to the controller, the operation of the negative ion generator 41 is controlled by the controller, and the release of the negative ions is realized. Because the protecting strip 13 is arranged on the two sides of the working end 12 of the handle 1, when negative ions are released, the released negative ions can be released to the hair along the two sides of the working end 12, the negative ions can be smoothly entered into the hair, the negative ions can be more fully contacted with the hair, the deep hair can be contacted with the negative ions, the hair care effect is improved, and the structure is more reasonable.

More specifically, set up in the work end 12 of handle 1 and be located the thermal-insulated structure 6 of heating structure 3 below and include the radiation shield 61 again, thermal-insulated cotton 62 and thermal-insulated mica paper 63, radiation shield 61 sets up in the side generates heat that aluminium leads to 31 and deviates from one side of broach structure 2 and is fixed in work end 12, radiation shield 61 deviates from the side and generates heat that aluminium leads to 31 one side and is provided with thermal-insulated cotton 62, be provided with thermal-insulated mica paper 63 in the one side that thermal-insulated cotton 62 deviates from radiation shield 61 simultaneously, and thermal-insulated mica paper 63 supports and leans on the wall body of work end 12, it is thermal-insulated to have realized the multilayer between the wall body of heating structure 3 and handle 1, the scald of structure is lost and the problem of scalding to the user.

More specifically, be equipped with fuse subassembly 7 in the heat insulating sleeve 61 is embedded, fuse subassembly 7 electricity is connected on control structure 5, through arranging of fuse subassembly 7, has further improved the outage throughput under the unexpected condition, has further improved the safety protection performance of equipment.

More specifically, the guard bars 13 disposed at both sides of the working end 12 are both hollow, and each guard bar 13 is provided with a plurality of anion discharge holes 131 at intervals, and the negative ion discharge hole 131 on each guard bar 13 is communicated with the hollow, so that the negative ions released from the negative ion needle 43 can be discharged to the negative ion discharge hole 131 through the hollow on each guard bar 13, meanwhile, a hair holding groove 132 is formed at each negative ion discharge hole 131 of the guard bar 13, and each hair holding groove 132 is communicated with a negative ion discharge hole 131, so that each hair holding groove 132 has negative ions discharged therein, so that, when the device is used, hair will enter the hair-holding groove 132 in a direction perpendicular to the handle 1, so that it follows the direction of entry of the hair, thereby, the hair in each hair holding groove 132 can be fully contacted with the negative ions, and the hair care capability is improved.

More specifically, it is equipped with catch 15 and catch inner cup 16 still to overlap on the handheld end 11 of handle 1, catch 15 is the tube-shape setting, catch 15 cover is located the handheld end 11 of handle 1 and is gone up the structure after handle cover 111 makes up and the chucking outward, and catch 15's one end supports and leans on in handle cover 14 one of deviating from work end 12 and serves, realized the fixed of handle cover 14, and simultaneously, be provided with catch inner cup 16 in the opening of catch 15's the other end, be provided with connection control structure 5's power cord on the catch inner cup 16, realized sealing to catch 15's end through catch inner cup 16, also provide the space for drawing forth of power cord simultaneously, the structure is more reasonable.

More specifically, the handle 1 is last and be located one side that the work end 12 deviates from handheld end 11 and be provided with preceding decoration lid, and preceding decoration lid can compress tightly the both ends of comb visor 23 respectively with last handle lid 111 to the realization will prevent scalding comb 22 and prevent scalding broach 221 and be fixed in on the work end 12 of handle 1, in addition, the protecting strip 13 of work end 12 both sides can compress tightly the both sides limit of comb visor 23 equally, realize the all-round fixed of comb visor 23 on handle 1, and the structure is more reasonable.

The double-anion comb of the straight-rolling two-in-one integral handle 1 provided by the embodiment comprises a handle 1, a comb tooth structure 2, a heating structure 3, an anion structure 4 and a control structure 5; the working end 12 of the handle 1 and the two sides of the heating structure 3 are both provided with the guard bars 13, and the two ends of the negative ion needle 43 of the negative ion structure 4 arranged between the working end 12 and the handheld end 11 of the handle 1 respectively extend to the two sides of the working end 12 and are respectively connected with the two guard bars 13, so that the guard bars 13 can follow the entering direction of the hair, the generated hair can be fully contacted with the hair after the negative ions are released from the guard bars 13, the generated hair can still be contacted with the negative ions, and the hair care performance is improved; in addition, a handle sleeve 14 is sleeved outside the handheld end 11 of the handle 1, and the handheld end 11 of the combined structure can form a whole in appearance through the handle sleeve 14, so that the appearance is improved, safety problems such as electric leakage and the like can be prevented, and the safety protection performance is higher.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims (10)

1. The utility model provides a two anion combs of integral handle of two unifications of straight book which characterized in that includes: handle, broach structure, heating structure, anion structure and control structure, the handle includes handheld end and work end, be provided with in the work end the broach structure, be provided with in the handheld end control structure, just be located in the work end the below of broach structure is provided with heating structure, simultaneously in just be located in the handle handheld end with the junction of work end is provided with the anion structure, the both ends of anion structure's anion needle extend to the both sides of handle, and, just be located on the work end the both sides of heating structure all are provided with the gib, and one the gib corresponds the one end of anion needle, simultaneously, in the outside cover of handheld end is equipped with an integral handle cover that is the tube-shape and sets up.

2. The double-anion comb with the straight-rolling two-in-one integrated handle as claimed in claim 1, wherein the hand-held end is further provided with an upper handle cover, a hollow space is arranged between the hand-held end of the handle and the upper handle cover, the control structure is arranged in the hollow space, a fixing screw is arranged between the hand-held end and the upper handle cover, and the handle is sleeved outside the structure formed by combining the hand-held end and the upper handle cover.

3. The double-anion comb of the straight-rolling two-in-one integral handle according to claim 1, wherein a heat insulation structure is arranged on one side of the heat generating structure, which is far away from the comb tooth structure, and one side of the heat insulation structure, which is far away from the heat generating structure, is fixed in the working end of the handle.

4. The two-anion comb of a straight-winding two-in-one integral handle according to claim 3, wherein the heating structure comprises a side heating aluminum channel, a heater assembly, a pressing sheet and an elastic sheet, the side heating aluminum channel is arranged above the heat insulation structure, two sides of the side heating aluminum channel are respectively provided with one protection strip, meanwhile, one side of the side heating aluminum channel departing from the heat insulation structure is provided with the elastic sheet, one side of the elastic sheet departing from the side heating aluminum channel is abutted against the pressing sheet, and one side of the pressing sheet departing from the elastic sheet is provided with the heater assembly.

5. The double-anion comb with the straight-winding two-in-one integrated handle according to claim 4, wherein the comb structure comprises an aluminum comb, an anti-scald comb and a comb protection cover, the aluminum comb is arranged on one side of the heater assembly, which is away from the pressing plate, a plurality of staggered aluminum comb teeth are arranged on the aluminum comb, the anti-scald comb and the anti-scald comb teeth are respectively sleeved on the aluminum comb and the aluminum comb teeth, the anti-scald comb protection cover is arranged on the anti-scald comb upper cover, and the anti-scald comb teeth of the anti-scald comb extend out of the comb protection cover.

6. The double-anion comb with the direct-winding two-in-one integral handle according to claim 1, wherein the anion structure comprises an anion generator, an anion support and an anion needle, the anion generator is arranged at the joint of the handheld end and the working end, the anion support comprises a left anion rack and a right anion rack, the left anion rack and the right anion rack are respectively connected to the two guard strips, the anion needle is arranged in a U shape, and two ends of the anion needle are respectively fixed on the left anion rack and the right anion rack.

7. The double-anion comb of the straight-rolling two-in-one integral handle according to claim 4, wherein the heat insulation structure comprises a heat insulation sleeve, heat insulation cotton and heat insulation mica paper, the heat insulation sleeve is arranged on one side of the side heating aluminum channel, which is far away from the comb structure, and is fixed in the working end, the heat insulation cotton is arranged on one side of the heat insulation sleeve, which is far away from the side heating aluminum channel, and the heat insulation mica paper is arranged on one side of the heat insulation cotton, which is far away from the heat insulation sleeve, and abuts against a wall body of the working end.

8. The double anion comb of a direct rolling two-in-one handle according to claim 7, wherein a fuse assembly is embedded in the thermal insulation sleeve, and the fuse assembly is electrically connected to the control structure.

9. The double-anion comb with the straight-winding two-in-one integrated handle according to claim 1, wherein the guard strip is hollow, a plurality of anion discharge holes are formed in the guard strip at intervals and are communicated with the hollow space, and meanwhile, a hair holding groove is formed in each anion discharge hole in the guard strip and is communicated with one anion discharge hole.

10. The double-anion comb with the straight-rolling two-in-one integral handle as claimed in claim 2, further comprising a locking ring and a locking ring inner cover, wherein the locking ring is arranged in a cylindrical shape, the locking ring is sleeved outside the structure formed by combining the handheld end and the upper handle cover and is clamped, one end of the locking ring is abutted against one end of the handle sleeve, which is far away from the working end, the locking ring inner cover is arranged in an opening at the other end of the locking ring, and a power line connected with the control structure is arranged on the locking ring inner cover.

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