CN214499519U - Angle adjusting structure and blowing device - Google Patents

Abstract

The utility model discloses an angle adjusting structure and blast apparatus, angle adjusting structure include first fitting piece and second fitting piece, first fitting piece and second fitting piece rotatable coupling, and the relative rotation angle of first fitting piece and second fitting piece is adjustable, and one of them of first fitting piece, second fitting piece is used for can dismantling with the aircraft nose and is connected, and another is used for can dismantling with the support and is connected. Above-mentioned angle modulation structure, first fitting piece, second fitting piece and aircraft nose, can be used to adjust the angle of the relative support of aircraft nose after the support assembly, the assembly of first fitting piece and second fitting piece can break away from aircraft nose and support and operate, the assembly environment is simpler, compare in traditional equipment the component of angle modulation directly adorn respectively on aircraft nose and support, again with aircraft nose and support assembly's mode, only need with first fitting piece, second fitting piece and aircraft nose, the support assemble respectively can, the assembly mode is simpler, the assembly efficiency is improved, convenient maintenance and change.

Description

Angle adjusting structure and blowing device

Technical Field

The utility model relates to a blast apparatus technical field especially relates to an angle modulation structure and blast apparatus.

Background

With the continuous development of science and technology, the equipment variety for cooling is continuously increased, but the fan has the advantages of low price, convenient use and the like as an electric appliance for cooling and increasing indoor air circulation in the household appliance, and still has great demand. The oscillating adjusting structure of the ball-bumping spring is adopted in part of fans, most of fans use the limiting pieces to be matched with the ball-bumping spring to adjust the oscillating head, and the head is heavy due to the fact that the size of the spring and the ball-bumping part is small, so that the spring is not easy to install the ball-bumping part, the assembling efficiency is low, and the assembly efficiency is complex if fault maintenance and replacement are carried out.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model discloses lie in overcoming the defect that the regulation structure of shaking the head is difficult for assembling, maintenance and change complicacy among the current fan, provide an angle modulation structure and blast apparatus of easy assembly, convenient maintenance and change.

The technical scheme is as follows:

the utility model provides an angle adjusting structure, includes first fitting piece and second fitting piece, first fitting piece with second fitting piece rotatable coupling, first fitting piece with the relative rotation angle of second fitting piece is adjustable, first fitting piece one of them of second fitting piece is used for can dismantling with the aircraft nose and is connected, and another is used for can dismantling with the support and is connected.

Above-mentioned angle adjusting structure, because first fitting piece, one of them of second fitting piece can be dismantled with the aircraft nose and be connected, another can be dismantled with the support and be connected, and first fitting piece, the relative angle of rotation of second fitting piece is adjustable, then first fitting piece, second fitting piece and aircraft nose, can be used to the angle of aircraft nose relative support to adjust after the support assembly, and the assembly of first fitting piece and second fitting piece can break away from aircraft nose and support and operate, the assembly environment is simpler, compare in traditional equipment in the component of angle modulation direct dress respectively on aircraft nose and support, again with the mode of aircraft nose and support assembly, above-mentioned angle adjusting structure, only need with first fitting piece, second fitting piece and aircraft nose, the support respectively the assembly can, the assembly mode is simpler, the assembly efficiency is improved, convenient maintenance and change when breaking down simultaneously.

In one embodiment, be equipped with first rotation connecting hole on the first fitting piece, the second fitting piece is worn to establish first rotation connecting hole, be equipped with a plurality of first draw-in grooves along circumference on the outer wall of second fitting piece, be equipped with first joint spare on the inner wall of first rotation connecting hole, first joint spare is relative first fitting piece has first shift position and second shift position, first joint spare can be between first shift position and second shift position reciprocating motion, works as first joint spare is located during the first shift position, first joint spare and first draw-in groove joint work as first joint spare is located during the second shift position, first joint spare with first draw-in groove breaks away from.

In one embodiment, the angle adjusting structure further includes an elastic member, an assembly groove is formed in an inner wall of the first rotating connection hole, the elastic member is disposed in the assembly groove, one end of the elastic member is connected with the first clamping member, the other end of the elastic member is in contact with or connected with the inner wall of the assembly groove, and the elastic member is used for enabling the first clamping member to move to the first moving position.

In one embodiment, the first clamping piece comprises a connecting end and a contact end, the maximum outer diameter of the contact end is larger than that of the connecting end, one end of the elastic piece is sleeved outside the connecting end and abuts against the contact end, and the contact end is clamped and matched with the first clamping groove.

In one embodiment, the end surface of the contact end is a part spherical surface.

In one embodiment, a groove wall of the first clamping groove is an arc surface or a spherical surface, and a radius of the arc surface or the spherical surface of the groove wall of the first clamping groove is smaller than a radius of the end surface of the contact end.

In one embodiment, the first rotating connection hole comprises a first hole section and a second hole section which are sequentially arranged along the direction away from the machine head, the aperture of the first hole section is larger than that of the second hole section, the second fitting piece comprises a butt joint end and a gear end, the butt joint end penetrates through the second hole section, the outer diameter of the gear end is larger than that of the second hole section, the first fitting piece is provided with one end of the first hole section and detachably connected with the machine head, and the butt joint end is connected with the bracket.

In one embodiment, the first engaging portion is disposed on the shift end, and the first engaging portion extends to two side surfaces of the shift end along an axial direction of the second engaging element.

In one embodiment, be equipped with the second on the first fitting piece and rotate the connecting hole, the second fitting piece is worn to establish the second rotates the connecting hole, the pore wall of second rotation connecting hole is equipped with a plurality of second draw-in grooves along circumference, be equipped with second joint spare on the outer wall of second fitting piece, second joint spare is relative the second fitting piece has third shift position and fourth shift position, second joint spare can be at reciprocating motion between third shift position and fourth shift position, works as second joint spare is located during the third shift position, second joint spare and second draw-in groove joint work as second joint spare is located during the fourth shift position, second joint spare with the second draw-in groove breaks away from.

A blowing device comprises a machine head, a support and an angle adjusting structure, wherein one of a first fitting piece and a second fitting piece is detachably connected with the machine head, and the other one of the first fitting piece and the second fitting piece is detachably connected with the support.

Above-mentioned blast apparatus, because first fitting piece, one of them of second fitting piece can be dismantled with the aircraft nose and be connected, another can dismantle with the support and be connected, and first fitting piece, the relative rotation angle of second fitting piece is adjustable, then first fitting piece, second fitting piece and aircraft nose, can be used to the angle of aircraft nose relative support to adjust after the support assembly, and the assembly of first fitting piece and second fitting piece can break away from aircraft nose and support and operate, the assembly environment is simpler, compare in traditional equipment the component of angle modulation directly adorn respectively on aircraft nose and support, again with the mode of aircraft nose and support assembly, above-mentioned blast apparatus, only need with first fitting piece, second fitting piece and aircraft nose, the support respectively the assembly can, the assembly mode is simpler, the assembly efficiency is improved, simultaneously when breaking down, convenient maintenance and change.

In one embodiment, the bracket comprises a first split body and a second split body which are arranged at intervals, a first installation part and a second installation part are respectively arranged on two sides of the machine head, the first installation part is detachably connected with the first matching piece, the first split body is detachably connected with the second matching piece, and the second split body is rotatably connected with the second installation part.

In one embodiment, the first sub-body is provided with a supporting hole, and one end of the second fitting piece extends into the supporting hole and is detachably connected with the first sub-body.

In one embodiment, a side of the first mating member close to the first split body is provided with a corner limiting portion, a side of the first split body close to the machine head is provided with an angle limiting groove, the angle limiting groove is arranged around the support hole, the corner limiting portion is used for extending into the angle limiting groove and sliding along the angle limiting groove, and the angle of the corner limiting portion capable of rotating along the angle limiting groove is less than 360 degrees.

In one embodiment, a guide groove is formed on the inner wall of the support hole, and a protrusion matched with the guide groove is formed on the second fitting piece.

In one embodiment, the first fitting piece and the second fitting piece are two, one of the first fitting piece and one of the second fitting piece are arranged between the second section and the second installation part, the second section is detachably connected with the second fitting piece, and the second installation part is detachably connected with the first fitting piece.

In one embodiment, the blowing device further includes a first fixing element and a second fixing element, the first fitting element is provided with a first through hole, the first mounting portion is provided with a first threaded hole, the first fixing element penetrates through the first through hole and is in threaded fit with the first threaded hole, the first division body is provided with a second through hole, the second fitting element is provided with a second threaded hole, and the second fixing element penetrates through the second through hole and is in threaded fit with the second threaded hole.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of a part of a blowing device according to an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is an oblique view of a first mating member according to an embodiment of the present invention;

FIG. 4 is an oblique view of a second mating member according to an embodiment of the present invention;

fig. 5 is a longitudinal sectional view of an angle adjustment structure according to an embodiment of the present invention;

fig. 6 is a cross sectional view of an angle adjustment structure according to an embodiment of the present invention;

fig. 7 is an oblique view of the first clip member according to the embodiment of the present invention;

FIG. 8 is a cross-sectional view of a first mating member according to an embodiment of the present invention;

fig. 9 is a schematic partial structural view of a handpiece according to an embodiment of the present invention;

fig. 10 is a partial schematic structural view of a bracket according to an embodiment of the present invention;

fig. 11 is an oblique view of an angle adjustment structure according to an embodiment of the present invention;

FIG. 12 is an enlarged schematic view at A of FIG. 10;

fig. 13 is a partial schematic structural view of a first split according to an embodiment of the present invention;

fig. 14 is a side view of a first mating member according to an embodiment of the present invention.

Description of reference numerals:

100. the first fitting part 101, the first rotating connection hole 101a, the first hole section 101b, the second hole section 102, the assembly groove 103, the first through hole 110, the first clamping piece 111, the connection end 112, the contact end 120, the elastic piece 130, the corner limiting part 200, the second fitting part 201, the first clamping groove 202, the second threaded hole 210, the butt joint end 220, the stop end 230, the protruding part 240, the protruding part 300, the nose 310, the first installation part 311, the first threaded hole 320, the air duct piece 321, the air duct 400, the bracket 410, the first split body 411, the support hole 412, the angle limiting groove 413, the guide groove 414, the second through hole 420, and the second split body.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

As shown in fig. 1 and fig. 2, an embodiment discloses an angle adjustment structure, which includes a first fitting member 100 and a second fitting member 200, wherein the first fitting member 100 is rotatably connected to the second fitting member 200, the relative rotation angle between the first fitting member 100 and the second fitting member 200 is adjustable, one of the first fitting member 100 and the second fitting member 200 is detachably connected to the handpiece 300, and the other is detachably connected to the bracket 400.

In the angle adjusting structure, because one of the first fitting member 100 and the second fitting member 200 is detachably connected with the machine head 300, the other one is detachably connected with the support 400, and the relative rotation angle of the first fitting member 100 and the second fitting member 200 is adjustable, the first fitting member 100 and the second fitting member 200 can be used for adjusting the angle of the machine head 300 relative to the support 400 after being assembled with the machine head 300 and the support 400, and the assembly of the first fitting member 100 and the second fitting member 200 can be separated from the machine head 300 and the support 400 for operation, the assembly environment is simpler, compared with the mode that in the conventional equipment, the angle adjusting elements are respectively and directly arranged on the machine head 300 and the support 400, and then the machine head 300 is assembled with the support 400, the angle adjusting structure only needs to respectively assemble the first fitting member 100 and the second fitting member 200 with the machine head 300 and the support 400, the assembly mode is simpler, and the assembly efficiency is improved, and meanwhile, the maintenance and the replacement are convenient when the fault occurs.

Optionally, the relative rotation angle between the first fitting member 100 and the second fitting member 200 is adjusted to adjust the pitch angle of the handpiece 300 relative to the bracket 400.

In one embodiment, as shown in fig. 3 to 6, a first rotation connection hole 101 is formed in the first fitting member 100, the second fitting member 200 is inserted into the first rotation connection hole 101, a plurality of first slots 201 are circumferentially formed in an outer wall of the second fitting member 200, a first engaging member 110 is disposed on an inner wall of the first rotation connection hole 101, the first engaging member 110 has a first moving position and a second moving position relative to the first fitting member 100, the first engaging member 110 can reciprocate between the first moving position and the second moving position, when the first engaging member 110 is located at the first moving position, the first engaging member 110 is engaged with the first slots 201, and when the first engaging member 110 is located at the second moving position, the first engaging member 110 is disengaged from the first slots 201. At this moment, the first clamping member 110 can move between the first moving position and the second moving position, so that the first clamping member 110 is clamped with or separated from the first clamping groove 201, when the first clamping member 110 moves to be clamped with one of the first clamping grooves 201, namely the relative rotation angle between the first fitting member 100 and the second fitting member 200 is adjusted, the adjusting mode is simple, and the relative displacement is not easy to occur when the adjusting mode is not adjusted.

Optionally, a bearing is disposed between the first mating member 100 and the second mating member 200, and the bearing is sleeved on the second mating member 200 for reducing friction force when the first mating member 100 and the second mating member 200 rotate relatively, so as to reduce wear.

In other embodiments, the relative rotation angle between the first engaging member 100 and the second engaging member 200 can be controlled by a motor, wherein the motor can be a stepping motor, and the rotation angle is adjusted every time; or the first fitting piece 100 is sleeved outside the second fitting piece 200, one end of the second fitting piece 200 is provided with an outward flange, the outward flange is arranged outside the first fitting piece 100, the outward flange is provided with a fastening hole, the stud is in threaded fit with the fastening hole, the part of the stud penetrating through the fastening hole can be abutted to the first fitting piece 100, the stud can be screwed tightly at the moment, the stud can be abutted to the first fitting piece 100, the first fitting piece 100 and the second fitting piece 200 are kept relatively fixed, the stud is loosened to separate or not abutted to the first fitting piece 100, the first fitting piece 100 and the second fitting piece 200 can rotate relatively at the moment, and the relative rotation angle adjustment of the first fitting piece 100 and the second fitting piece 200 is realized.

In one embodiment, as shown in fig. 5 and 6, the angle adjusting structure further includes an elastic member 120, an assembling groove 102 is formed on an inner wall of the first rotation connecting hole 101, the elastic member 120 is disposed in the assembling groove 102, one end of the elastic member 120 is connected to the first clamping member 110, the other end of the elastic member 120 is in contact with or connected to the inner wall of the assembling groove 102, and the elastic member 120 is used for moving the first clamping member 110 to the first moving position. When the first matching piece 100 and the second matching piece 200 rotate relatively, the first clamping piece 110 is pushed by the groove wall of the first clamping groove 201, so that the first clamping piece 110 moves from the first moving position to the second moving position along the assembling groove 102 until the first clamping piece 110 is separated from the original first clamping groove 201 and enters into another first clamping groove 201, under the action of the elastic piece 120, the first clamping piece 110 moves to the first moving position again and is clamped with another first clamping groove 201 again, and at this time, the relative rotation angle between the first matching piece 100 and the second matching piece 200 is also adjusted accordingly.

Alternatively, the elastic member 120 may be coupled with the sidewall of the fitting groove 102; or a retaining part is arranged on the side wall of the assembling groove 102 and is used for contacting or connecting with the elastic part 120; or the elastic member 120 may be in contact with or coupled to the bottom wall of the fitting groove 102. The above arrangement can realize the limitation of one end of the elastic element 120, so that the first clamping element 110 can realize the elastic reset under the action of the elastic element 120.

Optionally, a groove wall of the first engaging groove 201 is an inclined surface or an arc surface, so that when the first mating member 100 and the second mating member 200 rotate relatively, the first engaging member 110 can be extruded and moved by the groove wall of the first engaging groove 201, and then engaged with different first engaging grooves 201 respectively.

Alternatively, as shown in fig. 6, the assembling groove 102 is arranged along the radial direction of the second matching member 200, so that the first clamping member 110 can move in a manner of being perpendicular to the outer surface of the second matching member 200, and the clamping effect with the first clamping groove 201 is better. In other embodiments, an annular recess is circumferentially formed in an outer wall of the second fitting member 200, the annular recess is communicated with the first slot 201, the first engaging member 110 moves along an axial direction of the second fitting member 200, at this time, a portion of the first engaging member 110 extends out of the assembly slot 102, the assembly slot 102 is also axially arranged along the second fitting member 200, the elastic member 120 is axially arranged along the second fitting member 200, when the first engaging member 110 is located at the first moving position, the first engaging member 110 is engaged with the first slot 201, so that the first fitting member 100 and the second fitting member 200 are relatively fixed, when the second engaging member moves to the second moving position, the first engaging member 110 is located in the annular recess, at this time, the first fitting member 100 and the second fitting member 200 can rotate relatively, and adjustment of a relative rotation angle between the first fitting member 100 and the second fitting member 200 is achieved.

Alternatively, the elastic member 120 may be a spring, rubber, or elastic sheet, and the first clamping member 110 can return to the first moving position through elastic deformation.

In this embodiment, the number of the first engaging members 110 is one, in other embodiments, the number of the first engaging members 110 may also be at least two, the number of the assembling grooves 102 and the elastic members 120 corresponds to the number of the first engaging members 110, and the assembling grooves 102 are sequentially arranged along the circumferential direction of the first rotating connecting hole 101, so as to improve the stability when the first engaging member 100 is engaged with the second engaging member 200.

In other embodiments, the elastic member 120 may not be used, and the first clamping member 110 may be moved and inserted into or separated from the first clamping groove 201 by using a hand or a motor.

In one embodiment, as shown in fig. 5 to 7, the first clamping member 110 includes a connecting end 111 and a contact end 112, a maximum outer diameter of the contact end 112 is greater than a maximum outer diameter of the connecting end 111, one end of the elastic member 120 is sleeved outside the connecting end 111 and abuts against the contact end 112, and the contact end 112 is clamped and matched with the first clamping groove 201. Through the cup joint of link 111 and elastic component 120, make elastic component 120 can be better bear first joint spare 110, guarantee that first joint spare 110 can return to first shift position.

In one embodiment, as shown in fig. 5-7, the end surface of the contact end 112 is partially spherical. When the end surface of the contact end 112 is a partial spherical surface, the contact end 112 is more easily engaged with or disengaged from a different first engaging groove 201 along with the rotation of the first mating member 100 or the second mating member 200, and meanwhile, the hard contact between the contact end 112 and the groove wall of the first engaging groove 201 is reduced, and the abrasion of the contact end 112 is reduced.

In one embodiment, as shown in fig. 6, the groove wall of the first card slot 201 is an arc surface or a spherical surface, and the arc surface radius or the spherical surface radius of the groove wall of the first card slot 201 is smaller than the radius of the end surface of the contact end 112. At this time, the spherical surface of the contact end 112 can be easily separated from the first engaging groove 201, which facilitates the adjustment of the rotation angle.

Specifically, when the groove wall of the first card slot 201 is an arc surface, the radius of the arc surface of the groove wall of the first card slot 201 is smaller than the radius of the end surface of the contact end 112; when the groove wall of the first card slot 201 is a spherical surface, the spherical radius of the groove wall of the first card slot 201 is smaller than the radius of the end surface of the contact end 112.

In other embodiments, the groove wall of the first card slot 201 matches the end surface of the contact end 112.

In one embodiment, as shown in fig. 4, 5 and 8, the first rotation connection hole 101 includes a first hole segment 101a and a second hole segment 101b sequentially arranged along a direction away from the handpiece 300, an aperture of the first hole segment 101a is larger than an aperture of the second hole segment 101b, the second fitting 200 includes a docking end 210 and a shift end 220, the docking end 210 penetrates through the second hole segment 101b, an outer diameter of the shift end 220 is larger than an aperture of the second hole segment 101b, an end of the first fitting 100 provided with the first hole segment 101a is detachably connected to the handpiece 300, and the docking end 210 is connected to the bracket 400. Through butt joint end 210, keep off the size difference of position end 220, and the one end that first fitting piece 100 was equipped with second hole section portion 101b is connected with aircraft nose 300, can prevent that first fitting piece 100, second fitting piece 200 from taking place axial relative displacement after the assembly, guarantee the alignment of first joint portion and first draw-in groove 201 on axial position, prevent that first joint portion and first draw-in groove 201 from not aligning in the axial direction and leading to first fitting piece 100 and the unable joint of second fitting piece 200, consequently can realize the adjustment to first fitting piece 100 and second fitting piece 200 relative turned angle.

In one embodiment, as shown in fig. 4 and 5, the first engaging groove 201 is disposed on the retaining end 220, and the first engaging groove 201 extends to two sides of the retaining end 220 along the axial direction of the second mating member 200. At this time, the first engaging member 110 can slide along the first engaging groove 201 and disengage from the retaining end 220, so that the first mating member 100 can be conveniently disengaged from the first rotating connecting hole 101 along the axial direction, and the assembly of the first mating member 100 and the second mating member 200 is simpler.

Specifically, the length of the first engaging groove 201 is equal to the thickness of the positioning end 220, so that the first engaging member 110 can be conveniently separated from the first engaging groove 201 along the axial direction of the second engaging member 220.

In another embodiment, a second rotation connection hole is formed in the first fitting member 100, the second fitting member 200 is inserted through the second rotation connection hole, a plurality of second slots are circumferentially formed in a hole wall of the second rotation connection hole, a second engaging member is disposed on an outer wall of the second fitting member 200, the second engaging member has a third moving position and a fourth moving position relative to the second fitting member 200, the second engaging member can reciprocate between the third moving position and the fourth moving position, when the second engaging member is located at the third moving position, the second engaging member is engaged with the second slots, and when the second engaging member is located at the fourth moving position, the second engaging member is disengaged from the second slots. Through set up a plurality of second draw-in grooves on the pore wall, set up second joint spare on second fitting piece 200 to utilize the removal of second joint spare between third shift position and fourth shift position, also can realize the adjustment to relative turned angle between first fitting piece 100 and second fitting piece 200.

Optionally, the matching manner of the second clamping member and the second slot may be the same as the assembling manner of the first clamping member 110 and the first slot 201, that is, the second clamping member is also clamped with the second slot by the elastic member 120, and the second clamping member is stressed and separated from the second slot when the first matching member 100 and the second matching member 200 rotate relatively. In addition, the matching manner of the second clamping member and the second slot may also be different from the assembling manner of the first clamping member 110 and the first slot 201, such as the matching manner mentioned in the above other embodiments.

As shown in fig. 1 and 2, an embodiment discloses a blowing device, which includes a machine head 300, a bracket 400 and an angle adjusting structure as described above, wherein one of the first fitting member 100 and the second fitting member 200 is detachably connected to the machine head 300, and the other one is detachably connected to the bracket 400.

In the blowing device, one of the first fitting piece 100 and the second fitting piece 200 is detachably connected with the machine head 300, the other one is detachably connected with the support 400, and the relative rotation angle of the first fitting piece 100 and the second fitting piece 200 is adjustable, so that the first fitting piece 100 and the second fitting piece 200 can be used for adjusting the angle of the machine head 300 relative to the support 400 after being assembled with the machine head 300 and the support 400, and the assembly of the first fitting piece 100 and the second fitting piece 200 can be separated from the machine head 300 and the support 400 for operation, the assembly environment is simpler, compared with the mode that in the traditional equipment, the angle-adjustable elements are respectively and directly arranged on the machine head 300 and the support 400, and then the machine head 300 is assembled with the support 400, the blowing device only needs to be respectively assembled with the first fitting piece 100 and the second fitting piece 200, the machine head 300 and the support 400, the assembly mode is simpler, and the assembly efficiency is improved, and meanwhile, the maintenance and the replacement are convenient when the fault occurs.

Alternatively, the blowing device may be a fan, a circulation fan, or the like capable of blowing air.

In one embodiment, as shown in fig. 2 and 9, the bracket 400 includes a first division 410 and a second division 420 arranged at an interval, a first mounting portion 310 and a second mounting portion are respectively arranged at two sides of the handpiece 300, the first mounting portion 310 is detachably connected with the first mating member 100, the first division 410 is detachably connected with the second mating member 200, and the second division 420 is rotatably connected with the second mounting portion. The machine head 300 is supported by the first split 410 and the second split 420, the first split 410 and the second split 420 can share the gravity of the machine head 300, meanwhile, the gravity center of the machine head 300 is located between the first split 410 and the second split 420, the machine head 300 can be kept stable better, and the pitching angle of the machine head 300 can be adjusted by the first matching piece 100 and the second matching piece 200.

Optionally, as shown in fig. 9, the handpiece 300 includes an air duct 320 for enclosing an air duct 321, and the first mounting portion 310 and the second mounting portion are respectively disposed on two sides of the air duct 320, so that the air outlet direction of the handpiece 300 can be adjusted.

In other embodiments, the first body 410 is detachably connected to the first mating member 100, and the first mounting portion 310 is detachably connected to the second mating member 200.

In other embodiments, the support 400 may also be a single-rod support 400, the handpiece 300 is disposed on the support 400, and the adjustment of the pitch angle of the handpiece 300 between the handpiece 300 and the support 400 is realized through the first fitting 100 and the second fitting 200.

In one embodiment, as shown in fig. 10 to 13, a supporting hole 411 is formed on the first division body 410, and one end of the second fitting member 200 extends into the supporting hole 411 and is detachably connected to the first division body 410. By extending the second fitting member 200 into the supporting hole 411, the inner wall of the supporting hole 411 can be used to contact with the second fitting member 200 and assist the second fitting member 200 to bear the pressure of the handpiece 300, so as to improve the stress of the second fitting member 200, and prevent the second fitting member 200 from bending.

In one embodiment, as shown in fig. 11 to 14, a side of the first mating member 100 close to the first split body 410 is provided with a corner limiting portion 130, a side of the first split body 410 close to the machine head 300 is provided with an angle limiting groove 412, the angle limiting groove 412 is disposed around the supporting hole 411, the corner limiting portion 130 is configured to extend into the angle limiting groove 412 and slide along the angle limiting groove 412, and an angle of the corner limiting portion 130 capable of rotating along the angle limiting groove 412 is less than 360 °. At this time, the rotation angle of the handpiece 300 relative to the support 400 can be controlled by the cooperation of the corner limiting part 130 and the angle limiting groove 412, so that the handpiece 300 cannot rotate one or more turns relative to the support 400, and the situation of damage caused by excessive twisting of the circuit is avoided.

Optionally, the angle limiting groove 412 has a first position therein, and when the rotation angle limiting portion 130 rotates to the first position, the air outlet of the handpiece 300 is arranged in a horizontal direction. In addition, the angle limiting groove 412 has a second position and a third position, the second position and the third position are respectively located at two sides of the first position, when the corner limiting portion 130 rotates to the second position, the air outlet of the handpiece 300 is arranged in an oblique downward direction, when the corner limiting portion 130 rotates to the third position, the air outlet of the handpiece 300 is arranged in an oblique upward direction, and the second position and the third position are respectively located at two ends of the angle limiting groove 412.

Alternatively, the angle limiting portion 130 can rotate along the angle limiting groove 412 by an angle greater than 160 ° and less than 200 °. On the premise of meeting the requirement of adjusting the pitching angle of the handpiece 300, the lead can be prevented from being excessively twisted due to the fact that the handpiece 300 has an excessively large rotating angle relative to the bracket 400. Specifically, the rotation angle restricting portion 130 can rotate along the angle restricting groove 412 by an angle of 180 °.

In one embodiment, as shown in fig. 11 to 13, a guide groove 413 is formed on an inner wall of the support hole 411, and a protrusion 230 matched with the guide groove 413 is formed on the second fitting member 200. Through the cooperation of the guiding groove 413 and the protrusion 230, the second fitting member 200 can be guided to extend into the supporting hole 411, so that the second fitting member 200 is ensured to extend into the supporting hole 411 in a correct posture, the second fitting member 200 and the first component 410 are prevented from being assembled incorrectly, and the assembly is convenient.

Alternatively, two guide grooves 413 are formed, and the two guide grooves 413 are respectively disposed on two opposite sidewalls of the support hole 411. The guiding effect is better at this moment.

Optionally, as shown in fig. 10 to 14, an abdicating groove is formed on an inner wall of the first rotating connecting hole 101, the abdicating groove is disposed corresponding to the protruding portion 230, the docking end 210 includes a protruding portion 240, the protruding portion 240 is located at an end of the docking end 210 away from the blocking end 220, the protruding portion 240 is configured to protrude out of the first rotating connecting hole 101 and protrude into the supporting hole 411, and the protruding portion 230 is disposed on an outer surface of the protruding portion 240. In the process of assembling the first fitting member 100 and the second fitting member 200, the second fitting member 200 may first pass through the first rotation connection hole 101, wherein the protrusion passes through the first fitting member 100 along the receding groove, so that the protrusion 240 passes through the first rotation connection hole 101 and then is located outside the first fitting member 100, the protrusion 240 may continue to be used for extending into the support hole 411, so that the protrusion 230 is matched with the guide groove 413, and the first component 410 is connected with the second fitting member 200, at this time, the assembly of the first fitting member 100 and the second fitting member 200 and the assembly of the second fitting member 200 and the first component 410 are completed, and meanwhile, the first fitting member 100 and the second fitting member 200 may still rotate relatively.

In one embodiment, as shown in fig. 2, the first mating member 100 and the second mating member 200 are two, one of the first mating member 100 and one of the second mating member 200 are disposed between the second section 420 and the second mounting section, the second section 420 is detachably connected to the second mating member 200, and the second mounting section is detachably connected to the first mating member 100. At this time, the first sub-body 410 and the machine head 300, and the second sub-body 420 and the machine head 300 can adjust the rotation angle of the machine head 300 through the first fitting member 100 and the second fitting member 200, and can fix the relative positions of the adjusted machine head 300 and the bracket 400, so that the machine head 300 can be kept stable after the angle is adjusted.

In other embodiments, the second sub-body 420 and the handpiece 300 can be hinged or connected through a bearing, and the pitch angle of the handpiece 300 can be adjusted by using the angle adjusting structure between the first sub-body 410 and the handpiece 300.

In one embodiment, as shown in fig. 9, 11 and 13, the blowing device further includes a first fixing element and a second fixing element, the first fitting part 100 is provided with a first through hole 103, the first mounting part 310 is provided with a first threaded hole 311, the first fixing element is provided with the first through hole 103 and is in threaded fit with the first threaded hole 311, the first split body 410 is provided with a second through hole 414, the second fitting part 200 is provided with a second threaded hole 202, and the second fixing element is provided with the second through hole 414 and is in threaded fit with the second threaded hole 202. At this time, the first fitting member 100 and the first mounting portion 310, and the first division member 410 and the second fitting portion can be detachably connected by the threaded connection of the first fixing member and the second fixing member, so that the assembly and the disassembly are simple, the fixing stability is good, and the cost is low.

Alternatively, as shown in fig. 12 and 13, the second through hole 414 is formed on the bottom surface of the supporting hole 411, and the second threaded hole 202 is formed on the end surface of the second fitting member 200 away from the handpiece 300, so that the second fixing member can pass through the second through hole 414 from the side of the first division member 410 away from the handpiece 300 and be threadedly engaged with the second fitting member 200, and the operation is simpler.

Alternatively, as shown in fig. 3, 9 and 11, the first through holes 103 are provided in a plurality, the first through holes 103 are provided on the first fitting member 100 at intervals along the circumferential direction of the first rotation connecting hole 101, and the number of the first mounting portions 310 is provided corresponding to the number of the first through holes 103.

Optionally, the first fixing piece and the second fixing piece are bolts, screws and the like.

In other embodiments, the second mating member 200 includes a first end and a second end, the first end penetrates through the first rotating connection portion and is rotatably engaged with the first mating member 100, the second end is disposed obliquely with respect to the first end, the first split body 410 is provided with a function hole inserted into the second end, the function hole is disposed in a downward direction, the second end is provided with a first positioning portion, the function hole is provided with a second positioning portion, the first positioning portion and the second positioning portion are concave-convex engaging structures, after the second end is inserted into the function hole, the first end is disposed along a horizontal direction, the second end can be inserted into or pulled out of the function hole, so as to detachably connect the second mating member 200 and the first split body 410.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (16)

1. The utility model provides an angle adjusting structure, its characterized in that includes first fitting piece and second fitting piece, first fitting piece with second fitting piece rotatable coupling, first fitting piece with the relative rotation angle of second fitting piece is adjustable, first fitting piece one of them of second fitting piece is used for dismantling with the aircraft nose and is connected, and another is used for dismantling with the support and is connected.

2. The angle adjusting structure of claim 1, wherein a first rotating connecting hole is formed in the first fitting piece, the second fitting piece penetrates through the first rotating connecting hole, a plurality of first clamping grooves are formed in the outer wall of the second fitting piece along the circumferential direction, a first clamping piece is arranged on the inner wall of the first rotating connecting hole, the first clamping piece is opposite to the first fitting piece and has a first moving position and a second moving position, the first clamping piece can move back and forth between the first moving position and the second moving position, when the first clamping piece is located at the first moving position, the first clamping piece is clamped with the first clamping grooves, and when the first clamping piece is located at the second moving position, the first clamping piece is separated from the first clamping grooves.

3. The angle adjusting structure of claim 2, further comprising an elastic member, wherein an assembly groove is formed in an inner wall of the first rotating connection hole, the elastic member is disposed in the assembly groove, one end of the elastic member is connected with the first clamping member, the other end of the elastic member is in contact with or connected with the inner wall of the assembly groove, and the elastic member is used for enabling the first clamping member to move to the first moving position.

4. The angle adjusting structure of claim 3, wherein the first clamping member includes a connecting end and a contact end, a maximum outer diameter of the contact end is larger than a maximum outer diameter of the connecting end, one end of the elastic member is sleeved outside the connecting end and abuts against the contact end, and the contact end is clamped and matched with the first clamping groove.

5. The angle adjustment structure of claim 4, wherein the end surface of the contact end is a partial spherical surface.

6. The angle adjustment structure of claim 5, wherein a groove wall of the first slot is an arc surface or a spherical surface, and a radius of the arc surface or the spherical surface of the groove wall of the first slot is smaller than a radius of the end surface of the contact end.

7. The angle adjusting structure of claim 2, wherein the first rotating connection hole includes a first hole section and a second hole section sequentially arranged in a direction away from the head, an aperture of the first hole section is larger than an aperture of the second hole section, the second fitting member includes a butt end and a gear end, the butt end penetrates through the second hole section, an outer diameter of the gear end is larger than an aperture of the second hole section, the first fitting member has one end of the first hole section detachably connected to the head, and the butt end is connected to the bracket.

8. The angle adjusting structure of claim 7, wherein the first engaging groove is formed on the shift end, and the first engaging groove extends to both sides of the shift end along the axial direction of the second engaging element.

9. The angle adjusting structure of claim 1, wherein a second rotating connecting hole is formed in the first fitting piece, the second fitting piece penetrates through the second rotating connecting hole, a plurality of second clamping grooves are formed in the hole wall of the second rotating connecting hole along the circumferential direction, a second clamping piece is arranged on the outer wall of the second fitting piece, the second clamping piece is opposite to the second fitting piece and has a third moving position and a fourth moving position, the second clamping piece can move back and forth between the third moving position and the fourth moving position, when the second clamping piece is located at the third moving position, the second clamping piece is clamped with the second clamping grooves, and when the second clamping piece is located at the fourth moving position, the second clamping piece is separated from the second clamping grooves.

10. A blowing apparatus comprising a head, a bracket, and the angle adjusting structure of any one of claims 1 to 9, wherein one of the first fitting member and the second fitting member is detachably connected to the head, and the other is detachably connected to the bracket.

11. The blowing device of claim 10, wherein the bracket includes a first split and a second split that are arranged at an interval, a first mounting portion and a second mounting portion are respectively disposed on two sides of the handpiece, the first mounting portion is detachably connected with the first mating member, the first split is detachably connected with the second mating member, and the second split is rotatably connected with the second mounting portion.

12. The blowing device of claim 11, wherein the first sub-body is provided with a support hole, and one end of the second fitting member extends into the support hole and is detachably connected to the first sub-body.

13. The blowing device according to claim 12, wherein a side of the first fitting member adjacent to the first split body is provided with a corner limiting portion, a side of the first split body adjacent to the head is provided with an angle limiting groove, the angle limiting groove is disposed around the support hole, the corner limiting portion is configured to extend into the angle limiting groove and slide along the angle limiting groove, and an angle along which the corner limiting portion can rotate is less than 360 °.

14. The blowing device according to claim 12, wherein a guide groove is provided on an inner wall of the support hole, and a protrusion portion matching with the guide groove is provided on the second fitting member.

15. The blowing device of claim 11, wherein the first and second mating members are two, one of the first mating member and one of the second mating member are disposed between the second segment and the second mounting portion, the second segment is detachably connected to the second mating member, and the second mounting portion is detachably connected to the first mating member.

16. The blowing device of claim 11, further comprising a first fixing member and a second fixing member, wherein the first fitting member is provided with a first through hole, the first mounting portion is provided with a first threaded hole, the first fixing member is inserted through the first through hole and is in threaded engagement with the first threaded hole, the first separating member is provided with a second through hole, the second fitting member is provided with a second threaded hole, and the second fixing member is inserted through the second through hole and is in threaded engagement with the second threaded hole.

Images