CN215122755U - Hair-dryer convenient to aerial work - Google Patents

Abstract

The utility model discloses a hair-dryer convenient to eminence operation, the on-line screen storage device comprises a base housing, fan blade subassembly and tuber pipe, the fan blade subassembly includes the casing of being connected with the tuber pipe, fixed mounting is at the motor in the casing and installs the fan blade on motor output shaft, still include flexible subassembly, flexible subassembly is including connecting the fixed pipe on the base casing, connect the lock sleeve at the fixed pipe tip, the lock cap outside the activity pipe is established with the cover to the expansion pipe of connecting on the casing, the expansion pipe is worn to establish lock sleeve and sliding connection in the fixed pipe, lock cap and lock sleeve cooperation are used for locking the expansion pipe and fixed pipe fixedly. Use the utility model discloses when blowing the operation to the eminence, operating personnel need not to elevate, avoid tired, need not to ascend a height the operation simultaneously, avoid dangerous, also need not to increase the power of motor, and the operating personnel of being convenient for is handheld, can effectively improve the facility and the comfort level of operating personnel operation.

Description

Hair-dryer convenient to aerial work

Technical Field

The utility model belongs to electronic garden instrument field especially relates to a hair-dryer convenient to aerial work.

Background

The blower is a commonly used electric garden tool, and drives the fan blades to rotate at a high speed through the motor, so that air is sucked from the air inlet, and then is sprayed out from the air outlet at a high speed through the rotation of the fan blades, so as to blow away fallen leaves or accumulated snow. The hair drier generally comprises a base shell and an air pipe connected to the base shell, wherein a motor and fan blades connected to an output shaft of the motor are installed in the base shell, a handle is arranged outside the base shell, an operator can hold the hair drier by the handle to operate, and if falling leaves on a lawn need to be blown away, an air outlet of the air pipe is aligned to a falling leaf starting motor to blow. Because there are many situations in the actual work that need carry out the operation to the eminence, for example blow off the fallen leaves or snow on roof or the branch, operating personnel lifts the hair-dryer high this moment and carries out the operation easily tiredly to the height can not reach in many times, only can rely on stool, ladder etc. to carry out the eminence operation, has certain danger. In order to solve the problem, some manufacturers design the air pipe to be retractable, so that when the operation is carried out at a higher position, the air pipe is lengthened, the fatigue and danger of personnel are avoided, but the air speed and the air quantity at the air outlet after the air pipe is lengthened can be greatly reduced, the operation effect is seriously influenced, the motor is required to be replaced by a high-power motor, and the motor is huge and cannot be held by hands. In addition, when using the hair dryer, the operator also wants to adjust the angle of the air outlet, so that the air outlet can be directly blown to the operation area conveniently, and a good operation effect is achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hair-dryer convenient to eminence operation can effectively solve among the prior art problem that the hair-dryer is inconvenient to the eminence carries out the operation.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a hair-dryer convenient to eminence operation, including base housing, fan blade subassembly and tuber pipe, the fan blade subassembly includes the casing of being connected with the tuber pipe, fixed mounting is at the motor of casing and installs the fan blade on motor output shaft, still include flexible subassembly, flexible subassembly is including connecting the fixed pipe on base housing, connect the lock sleeve at fixed pipe tip, the lock cap outside the activity pipe is established to activity pipe and cover on the casing, the activity pipe is worn to establish the lock sleeve and sliding connection is in the fixed pipe, lock cap and lock sleeve cooperation are used for locking the activity pipe and fixed pipe fixedly.

Preferably, the outer surface of the locking sleeve is provided with external threads, the end part of the outer circumference of the locking sleeve extends along the axial direction to form a plurality of elastic sheets, an interval is reserved between every two adjacent elastic sheets, the locking cap comprises a circular pipe section and a circular table pipe section, the inner surface of the circular pipe section is provided with internal threads matched with the external threads, and the maximum inner diameter of the circular table pipe section is the same as the outer diameter of the locking sleeve and is used for pressing the elastic sheets to enable the elastic sheets to hold the movable pipe tightly. The pipe section of locking cap is through revolving the in-process of twisting threaded connection on the locking sleeve soon, and round platform pipe section cover is established outside the flexure strip, because round platform pipe section cross section reduces gradually, has the effect of central axial direction extrusion to the flexure strip to make the flexure strip hold the activity pipe tightly, realize that the locking of the relatively fixed pipe of activity pipe is fixed.

Preferably, the plurality of elastic sheets are uniformly distributed along the circumferential direction of the end part of the outer circumference of the locking sleeve. The elastic piece can be uniformly applied to the movable tube by the arrangement, and the fixing effect of the elastic piece on the movable tube can be better ensured.

Preferably, the inner surface of the elastic sheet is provided with anti-skid grains. Can increase the effort between flexure strip and the movable tube, better prevent that the movable tube from fixing the pipe relatively and sliding.

Preferably, the outer surface of the movable pipe is axially provided with a guide groove, and the inner surface of the locking sleeve is axially provided with a guide convex block matched with the guide groove. Through the cooperation of guide way and direction lug, make the movable tube relatively fixed pipe can only follow the endwise slip and can not follow circumference rotation, smoothness degree when can improve flexible regulation, the flexible regulation operation of being convenient for.

Preferably, one end interference fit of lock sleeve connects in the fixed tube, and the tip that the movable tube is located the fixed tube radially extends and forms spacing boss, and spacing boss and lock sleeve are located the tip cooperation of fixed tube for prevent that the movable tube from breaking away from out the fixed tube. The limiting boss is matched with the end part of the locking sleeve, which is positioned in the fixed pipe, so that the movable pipe is prevented from being separated from the fixed pipe, and the fan assembly and the air pipe are prevented from falling off from the base shell.

Preferably, a power supply device for supplying power to the motor is arranged in the base shell. The power supply device is arranged in the base shell, so that the effect of a balance weight can be achieved, and the power supply device is convenient to hold by an operator.

Preferably, the hair-dryer still includes the subassembly that turns to, turn to the subassembly including with casing fixed connection the cover body and with movable tube fixed connection's handle, the cover body is including the left cover body and the right cover body that each other approximately close, the handle is including the left handle and the right handle that each other approximately close, the tip of handle is located the intracavity that holds that the cover body formed, the handle is connected with the cover body rotation to be equipped with between the cover body and the handle and be used for the cover body and the fixed chuck of handle chucking. The setting turns to the contained angle that the subassembly is convenient for adjust the relatively fixed pipe of tuber pipe, movable pipe, and the operation region is treated in the alignment that the mouth of blowing of tuber pipe can be more accurate like this, improves the operation effect of blowing.

Preferably, the chuck comprises an active chuck positioned between the left cover body and the left handle and a passive chuck positioned between the right handle and the right cover body, the left cover body is provided with a first gear ring, the left handle is provided with a second gear ring, the right cover body is provided with a third gear ring, the right handle is provided with a fourth gear ring, the active chuck is clamped and fixed with the first gear ring and the second gear ring along the circumferential direction, the active chuck is arranged with the first gear ring and the second gear ring in a sliding manner along the axial direction, the passive chuck is clamped and fixed with the third gear ring and the fourth gear ring along the circumferential direction, and the passive chuck is arranged with the third gear ring and the fourth gear ring in a sliding manner along the axial direction; the drive chuck one side fixedly connected with button offers the through-hole that is used for the button to pass on the left cover body, and passive chuck one side fixedly connected with spliced pole, butt behind right handle and the left handle are worn to establish by the spliced pole on the button, are equipped with the elastic component between the opposite side of passive chuck and the right cover body. Through the clamping effect of the driving chuck and the first gear ring and the second gear ring and the clamping effect of the driven chuck and the third gear ring and the fourth gear ring, the cover body and the handle can be clamped and fixed, and the stability of the telescopic assembly connected with the fan assembly is further ensured. When the orientation of tuber pipe air outlet needs to be adjusted, only need press the button, promote the separation of initiative chuck and the left cover body by the button, and the button promotes passive chuck and the separation of right handle through the spliced pole, initiative chuck and handle fixed connection are in the same place like this, can rotate with the cover body relatively passive chuck, loosen the button after rotating to target in place, initiative chuck and passive chuck answer the normal position under the effect of elastic component, it is fixed with the handle chucking again to cover the body, realize the fixed connection of fan subassembly and flexible subassembly.

Preferably, the driving chuck and the driven chuck are provided with annular baffles along the circumferential direction, and the annular baffles are used for limiting the sliding distance of the driving chuck and the driven chuck when the driving chuck and the driven chuck slide along the axial direction. The annular baffle is arranged, so that whether the operation of pressing the button is in place can be determined, the annular baffle on the driving chuck can be used for prompting an operator when the annular baffle is contacted and abutted with the second gear ring after the button is pressed, and the rotation adjusting operation can be carried out after the annular baffle is pressed in place.

Compared with the prior art, the utility model discloses following beneficial effect has: set up flexible subassembly between fan blade subassembly and base casing, when the needs hair-dryer carries out the operation to the eminence, utilize flexible subassembly with fan blade subassembly and tuber pipe base casing rising relatively together, make the tuber pipe air outlet reach the operation region place height, the distance between fan blade and the tuber pipe air outlet can not change simultaneously, the amount of wind and the wind speed of tuber pipe air outlet department can not reduce like this. Still normally handheld hair-dryer operation of operating personnel can, need not to elevate the height the operation, avoid tired, need not to ascend the height the operation simultaneously, avoid danger, also need not to increase the power of motor, the operating personnel of being convenient for is handheld, can effectively improve the facility and the comfort level of operating personnel operation.

Drawings

FIG. 1 is a schematic diagram of a blower for facilitating aerial work according to one embodiment;

FIG. 2 is an exploded view of the telescoping assembly in one embodiment;

FIG. 3 is a sectional view of the joint of the fixed pipe, the movable pipe and the locking sleeve in the first embodiment;

FIG. 4 is a schematic diagram of a blower for facilitating aerial work according to a second embodiment;

FIG. 5 is an exploded view of the steering assembly of the second embodiment;

FIG. 6 is an exploded view of the left shield and the active chuck of the second embodiment;

fig. 7 is an exploded view of the right handle and passive chuck of the second embodiment.

The fan comprises a base shell, an air pipe, a fan blade component, a telescopic component, a fixed pipe, a movable pipe, a guide groove, a limiting boss 411, a locking sleeve 42, a locking cap 43, a locking cap 44, an elastic sheet 5, a steering component 50, a left cover body 500, a first gear ring 51, a right cover body 510, a fourth gear ring 52, a left handle 520, a second gear ring, a right handle 53, a third gear ring 530, a driving chuck 54, a button 540, a driven chuck 55, a connecting column 550, an elastic piece 56, a joint sleeve 57, an annular baffle 58 and an operating handle 6.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected or detachably connected or integrated; may be mechanically coupled, may be electrically coupled or may be in communication with each other; may be directly connected or indirectly connected through an intermediate, unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The first embodiment is as follows: as shown in fig. 1 and fig. 2, the hair dryer convenient for high-altitude operation provided by the embodiment comprises a base shell 1, a telescopic assembly 4, a fan blade assembly 3 and an air pipe 2, wherein the fan blade assembly 3 comprises a casing connected with the air pipe 2, a motor fixedly installed in the casing and a fan blade installed on an output shaft of the motor, the telescopic assembly 4 comprises a fixed pipe 40 connected to the base shell 1, a locking sleeve 42 connected to the end of the fixed pipe 40, a movable pipe 41 connected to the casing and a locking cap 43 sleeved outside the movable pipe 41, the movable pipe 41 penetrates through the locking sleeve 42 and is slidably connected in the fixed pipe 40, and the locking cap 43 and the locking sleeve 42 are matched to lock and fix the movable pipe 41 and the fixed pipe 40. This hair-dryer that this embodiment provided sets up flexible subassembly 4 between fan blade subassembly 3 and base casing 1, when the needs hair-dryer carries out the operation to the eminence, utilize flexible subassembly 4 with fan blade subassembly 3 and tuber pipe 2 base casing 1 risees relatively together, make 2 air outlets of tuber pipe reach the regional place height of operation, the distance between fan blade and the 2 air outlets of tuber pipe can not change simultaneously, the amount of wind and the wind speed of the 2 air outlets of tuber pipe department can not reduce like this. Still normally handheld hair-dryer operation of operating personnel can, need not to elevate the height the operation, avoid tired, need not to ascend the height the operation simultaneously, avoid danger, also need not to increase the power of motor, the operating personnel of being convenient for is handheld, can effectively improve the facility and the comfort level of operating personnel operation.

It should be noted that the motor in this embodiment may be a dc motor or an ac motor, a power supply device for supplying power to the motor may be installed in the base housing 1, and may also function as a counterweight while supplying power, and the power supply device may be a controller PCB board for ac/dc conversion, may also be a battery pack, or both of them are equipped. For the convenience of holding by hands, one operating handle 6 or two operating handles 6 can be arranged on the base shell 1 according to the specification and size of different hair dryers, and the two operating handles are respectively suitable for the condition of holding by one hand or holding by two hands. In addition, the blower provided by the embodiment can be an axial flow blower only having a blowing function, and can also be a centrifugal blower having a blowing and sucking function.

In this embodiment, the outer surface of the locking sleeve 42 is provided with an external thread, the end portion of the outer circumference of the locking sleeve 42 extends axially to form a plurality of elastic pieces 44, a space is formed between adjacent elastic pieces 44, the locking cap 43 comprises a circular tube section and a circular truncated cone section, the inner surface of the circular tube section is provided with an internal thread matched with the external thread, and the maximum inner diameter of the circular truncated cone section is the same as the outer diameter of the locking sleeve 42 and is used for pressing the elastic pieces 44 to enable the elastic pieces 44 to hold the movable tube 41 tightly. In the process that the circular tube section of the locking cap 43 is connected to the locking sleeve 42 through the screwing thread, the circular truncated cone tube section is sleeved outside the elastic sheet 44, and the cross section of the circular truncated cone tube section is gradually reduced to extrude the elastic sheet 44 in the central axial direction, so that the elastic sheet 44 tightly holds the movable tube 41, and the movable tube 41 is locked and fixed relative to the fixed tube 40. When the height of the air outlet of the air pipe 2 needs to be adjusted through the telescopic assembly 4, the locking cap 43 is firstly unscrewed, the extrusion effect of the circular truncated cone pipe section on the elastic sheet 44 disappears, the elastic sheet 44 is elastically deformed to lose the holding effect on the movable pipe 41, the movable pipe 41 can slide relative to the fixed pipe 40, so that the air pipe 2 and the fan blade assembly 3 are driven to move and rise or fall relative to the base shell 1, after the height is adjusted in place, the locking sleeve 42 is screwed to enable the elastic sheet 44 to hold the movable pipe 41 tightly, the stable connection of the movable pipe 41 and the fixed pipe 40 is realized, and the adjusting operation is convenient and rapid.

In order to ensure the connection stability of the movable tube 41 and the fixed tube 40 and prevent the movable tube 41 from sliding accidentally relative to the fixed tube 40, in this embodiment, the elastic pieces 44 are uniformly arranged along the circumferential direction of the outer circumferential end of the locking sleeve 42, so that the acting force of the elastic pieces 44 on the movable tube 41 is uniform, and meanwhile, the inner surface of the elastic pieces 44 is provided with anti-slip patterns, so that the acting force between the elastic pieces 44 and the movable tube 41 can be increased.

In this embodiment, a guide groove 410 is axially formed on the outer surface of the movable tube 41, and a guide protrusion adapted to the guide groove 410 is axially formed on the inner surface of the locking sleeve 42. Through the cooperation of the guide groove 410 and the guide projection, the movable tube 41 can only slide along the axial direction relative to the fixed tube 40 and can not rotate along the circumferential direction, so that the fluency during telescopic adjustment can be improved, and the telescopic adjustment operation is facilitated.

Referring to fig. 3, in order to prevent the movable tube 41 from being accidentally separated from the fixed tube 40, in this embodiment, one end of the locking sleeve 42 is connected in the fixed tube 40 in an interference fit manner, an end portion of the movable tube 41 located in the fixed tube 40 extends in a radial direction to form a limiting boss 411, and the limiting boss 411 is matched with an end portion of the locking sleeve 42 located in the fixed tube 40 to prevent the movable tube 41 from being separated from the fixed tube 40.

In order to facilitate the operator to quickly find the screwing direction of the locking cap 43, in this embodiment, two arrows are marked on the outer surface of the locking cap 43 along the circumferential direction, the two arrows are opposite to each other, the end of the arrow pointing to the screwing direction of the locking cap 43 is marked with an unscrewing mark, and the end of the arrow pointing to the screwing direction of the locking cap 43 is marked with a screwing mark. Thus, the operation of operators is convenient according to the indication of the mark, and the operation is simple and easy to understand. Further, an anti-slip protrusion is further provided on the outer surface of the locking cap 43. The anti-slip protrusions can increase the friction force when screwing the locking cap 43, so that the locking cap 43 can be screwed by an operator conveniently.

Example two: as shown in fig. 4 and 5, the blower provided by this embodiment is convenient for high-altitude operations, and the difference between this embodiment and the above embodiments is that the blower provided by this embodiment further includes a steering assembly 5, the steering assembly 5 includes a cover body fixedly connected to the housing and a handle fixedly connected to the movable tube 41, the cover body includes a left cover body 50 and a right cover body 51 which are covered with each other, the handle includes a left handle 52 and a right handle 53 which are covered with each other, the end of the handle is located in a containing cavity formed by the cover body, the handle is rotatably connected to the cover body, and a chuck for clamping and fixing the cover body and the handle is provided between the cover body and the handle. Wherein, the left handle 52 and the right handle 53 are mutually covered and clamped on the movable tube 41, the movable tube 41 is sleeved with a joint sleeve 57, and the joint sleeve 57 is in threaded connection with the handle and used for locking the fixed handle and the movable tube 41.

Based on the above distinguishing technical features, the included angle between the air pipe 2 and the fixed pipe 40 and the movable pipe 41 is convenient to adjust by setting the steering assembly 5 in the embodiment, so that the blowing port of the air pipe 2 can be more accurately aligned to the area to be operated, and the blowing operation effect is improved.

Referring to fig. 6 and 7, the chuck in this embodiment includes an active chuck 54 located between the left cover 50 and the left handle 52 and a passive chuck 55 located between the right handle 53 and the right cover 51, the left cover 50 is provided with a first gear ring 500, the left handle 52 is provided with a second gear ring 520, the right cover 51 is provided with a third gear ring 530, the right handle 53 is provided with a fourth gear ring 510, the active chuck 54 is clamped and fixed with the first gear ring 500 and the second gear ring 520 along the circumferential direction, the active chuck 54 is arranged to slide with the first gear ring 500 and the second gear ring 520 along the axial direction, the passive chuck 55 is clamped and fixed with the third gear ring 530 and the fourth gear ring 510 along the circumferential direction, and the passive chuck 55 is arranged to slide with the third gear ring 530 and the fourth gear ring 510 along the axial direction; the driving chuck 54 is fixedly connected with a button 540 on one side, a through hole for the button 540 to pass through is formed in the left cover body 50, a connecting column 550 is fixedly connected with one side of the driven chuck 55, the connecting column 550 penetrates through the right handle 53 and the left handle 52 and then abuts against the button 540, an elastic part 56 is arranged between the other side of the driven chuck 55 and the right cover body 51, and the elastic part 56 in the embodiment is a pressure spring. The cover and the handle can be clamped and fixed through the clamping action of the driving chuck 54 and the first gear ring 500 and the second gear ring 520 and the clamping action of the driven chuck 55 and the third gear ring 530 and the fourth gear ring 510, and the stability of the connection of the telescopic assembly 4 and the fan assembly is further ensured. When the orientation of the air outlet of the air pipe 2 needs to be adjusted, only the button 540 needs to be pressed, the button 540 pushes the driving chuck 54 to be separated from the left cover body 50, the button 540 pushes the driven chuck 55 to be separated from the right handle 53 through the connecting column 550, the driving chuck 54 is fixedly connected with the handle, the driven chuck 55 and the cover body can rotate relatively, the button 540 is loosened after the button is rotated in place, the driving chuck 54 and the driven chuck 55 return to the original position under the action of the elastic part 56, the cover body is fixedly clamped with the handle again, and the fixed connection of the fan assembly and the telescopic assembly 4 is realized.

The specific process of the steering operation is explained as follows: the button 540 is pressed, and the button 540 drives the driving chuck 54 to axially slide relative to the first gear ring 500 and the second gear ring 520, so that the driving chuck 54 is separated from the first gear ring 500 and completely clamped into the second gear ring 520. The button 540 acts on the driven chuck 55 through the connecting column 550, and pushes the driven chuck 55 to axially slide relative to the third gear ring 530 and the fourth gear ring 510, so that the driven chuck 55 is separated from the third gear ring 530 and simultaneously completely clamped into the fourth gear ring 510, and the compression spring 56 is further compressed in the process. At the moment, the driving chuck 54 is fixedly clamped with the left handle 52, the left handle 52 is fixedly covered with the right handle 53, the driven chuck 55 is fixedly clamped with the right cover body 51, and the right cover body 51 is fixedly covered with the left cover body 50, so that the driving chuck 54 and the handle can rotate relative to the driven chuck 55 and the cover body. After the air outlet of the air pipe 2 is rotated to face the area to be operated, the button 540 is loosened, the driven chuck 55 and the driving chuck 54 are pushed back to the original positions under the action of the elastic force of the elastic piece 56, the driven chuck 55 is clamped with the right handle 53 and the right cover body 51 again, and the driving chuck 54 is clamped with the left handle 52 and the left cover body 50 again, so that the relative fixation of the cover body and the handle is realized.

In this embodiment, an annular baffle 58 is disposed on the active chuck 54 and the passive chuck 55 along the circumferential direction for limiting the sliding distance when the active chuck 54 and the passive chuck 55 slide along the axial direction. The arrangement of the annular baffle 58 can determine whether the operation of pressing the button 540 is in place, that is, after the button 540 is pressed, the annular baffle 58 on the driving chuck 54 is in contact with and abutted against the second gear 520, so that an operator can be prompted, and when the button is pressed in place, the rotation adjustment operation can be performed.

The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims (10)

1. The utility model provides a hair-dryer convenient to eminence operation, includes base casing (1), fan blade subassembly (3) and tuber pipe (2), fan blade subassembly (3) include the casing of being connected with tuber pipe (2), fixed mounting motor in the casing and install the fan blade on the motor output shaft, its characterized in that: still include flexible subassembly (4), flexible subassembly (4) including connect fixed pipe (40) on base casing (1), connect at lock sleeve (42) of fixed pipe (40) tip, connect movable pipe (41) on the casing and establish locking cap (43) outside movable pipe (41), movable pipe (41) are worn to establish lock sleeve (42) and sliding connection in fixed pipe (40), locking cap (43) and lock sleeve (42) cooperation are used for locking movable pipe (41) and fixed pipe (40) fixedly.

2. A blower for facilitating aerial work as claimed in claim 1, wherein: the external screw thread has been seted up to lock sleeve (42) surface, the outer circumference tip of lock sleeve (42) forms a plurality of flexure strips (44) along axial extension, and is adjacent have the interval between flexure strip (44), locking cap (43) are including circle pipe section and round platform pipe section, circle pipe section internal surface seted up with external screw thread complex internal thread, the biggest internal diameter of round platform pipe section is the same with the external diameter of lock sleeve (42) for extrusion flexure strip (44) make flexure strip (44) hug closely movable tube (41).

3. A blower for facilitating aerial work as claimed in claim 2, wherein: the elastic sheets (44) are uniformly distributed along the circumferential direction of the end part of the outer circumference of the locking sleeve (42).

4. A blower for facilitating aerial work as claimed in claim 2, wherein: the inner surface of the elastic sheet (44) is provided with anti-skid grains.

5. A blower for facilitating aerial work as claimed in claim 2, wherein: the outer surface of the movable pipe (41) is provided with a guide groove (410) along the axial direction, and the inner surface of the locking sleeve (42) is provided with a guide convex block matched with the guide groove (410) along the axial direction.

6. A blower for facilitating aerial work as claimed in claim 2, wherein: the one end interference fit of lock sleeve (42) is connected in fixed pipe (40), the tip that activity pipe (41) are located fixed pipe (40) forms spacing boss (411) along radially extending, spacing boss (411) and lock sleeve (42) are located the tip cooperation of fixed pipe (40) for prevent that activity pipe (41) break away from out fixed pipe (40).

7. A blower for facilitating aerial work as claimed in claim 1, wherein: and a power supply device for supplying power to the motor is arranged in the base shell (1).

8. A blower for facilitating aerial work as claimed in any one of claims 1 to 7, wherein: the hair-dryer is still including turning to subassembly (5), turn to subassembly (5) including with casing fixed connection the cover body and with movable tube (41) fixed connection's handle, the cover body is including the left cover body (50) and the right cover body (51) that close each other, the handle is including the left handle (52) and the right handle (53) that close each other, the tip of handle is located the intracavity that holds that the cover body formed, the handle rotates with the cover body to be connected, and be equipped with between the cover body and the handle and be used for the cover body and the fixed chuck of handle chucking.

9. A blower for facilitating aerial work as claimed in claim 8, wherein: the chuck comprises an active chuck (54) between a left cover (50) and a left handle (52) and a passive chuck (55) between a right handle (53) and a right cover (51), a first gear ring (500) is arranged on the left cover body (50), a second gear ring (520) is arranged on the left handle (52), a third gear ring (530) is arranged on the right cover body (51), a fourth gear ring (510) is arranged on the right handle (53), the driving chuck (54) is clamped and fixed with the first gear ring (500) and the second gear ring (520) along the circumferential direction, the driving chuck (54) is arranged with the first gear ring (500) and the second gear ring (520) in a sliding way along the axial direction, the driven chuck (55) is clamped and fixed with the third gear ring (530) and the fourth gear ring (510) along the circumferential direction, the driven chuck (55) is arranged with the third gear ring (530) and the fourth gear ring (510) in a sliding mode along the axial direction;

initiative chuck (54) one side fixedly connected with button (540), offer the through-hole that is used for button (540) to pass on the left side cover body (50), driven chuck (55) one side fixedly connected with spliced pole (550), butt behind right handle (53) and left handle (52) are worn to establish by spliced pole (550) is on button (540), be equipped with elastic component (56) between the opposite side of driven chuck (55) and the right side cover body (51).

10. A blower for facilitating aerial work as claimed in claim 9, wherein: the driving chuck (54) and the driven chuck (55) are provided with annular baffles (58) along the circumferential direction and used for limiting the sliding distance of the driving chuck (54) and the driven chuck (55) when sliding along the axial direction.

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