CN204126924U - Blower - Google Patents

Abstract

The utility model discloses a kind of blower, comprise body, described body comprises motor, the rear air guide sleeve of coated motor, described rear air guide sleeve comprises the mounting cup for mounted motor, described motor is installed in mounting cup, the rotor of described motor extends back described mounting cup from described mounting cup, described mounting cup is provided with the assembly wall contacted with motor housing, described assembly wall and the shell of motor pass through together with some screw fastenings, the pad of integral type is provided with between those screw and assembly walls, namely multiple screw makes motor and mounting cup to be fixed together by this pad.Setting like this, enhance the stable fixed of pad, when avoiding electric machine rotation, screw rocks and comes off, and improves the overall performance of blower.

Description

Blower

Technical field

The utility model relates to a kind of blower.

Background technique

In graden machine, the air stream that blower makes fan rotate by motor and produces, thus dust out or refuse are to clean.

Blower generally includes: body, the extension nozzle being coated on extra-organismal shell, being sheathed on body front end, described body comprises motor, be coated on the electrical machinery cover outside motor and be installed on the impeller of motor, after general motor is installed on electrical machinery cover, again impeller is installed on the rotor of motor, together with the shell of usual motor is fixed by screws in electrical machinery cover, but when motor rotation, vibration can be produced, screw easily comes off from electrical machinery cover, cause motor to loosen, affect the working life of blower.

Therefore, in view of above problem, be necessary to propose a kind of new blower, to improve working life.

Model utility content

Be to provide a kind of blower improving working life order of the present utility model.

For realizing above-mentioned order ground, the utility model adopts following technological scheme: a kind of blower, comprise body, described body comprises the rear air guide sleeve of motor, coated motor, described rear air guide sleeve comprises the mounting cup for mounted motor, described motor is installed in mounting cup, the rotor of described motor extends back described mounting cup from described mounting cup, described mounting cup is provided with the assembly wall contacted with motor housing, described assembly wall and the shell of motor pass through, together with some screw fastenings, to be provided with the pad of integral type between those screw and assembly walls.

In a preferred embodiment, described assembly wall is vertical with the axial direction of motor.

In a preferred embodiment, described pad central authorities are provided with the elongated hole extended for described rotor.

In a preferred embodiment, described screw number is 3.

In a preferred embodiment, described blower comprises the former dome being installed on rear air guide sleeve front end, described former dome is provided with the flow deflecting cone of accommodating motor, described rear air guide sleeve is provided with the mounting cup of accommodating motor, described flow deflecting cone is corresponding with before and after mounting cup, and described motor is installed between flow deflecting cone and mounting cup.

In a preferred embodiment, some fixing columns that power supply frame is held are provided with in described flow deflecting cone.

In a preferred embodiment, described body comprises the impeller being installed on described rotor, and described impeller is positioned at the rear of described mounting cup.

In a preferred embodiment, described vane rotary drives described air-flow to flow from back to front.

In a preferred embodiment, described blower comprises the shell of coated body, described shell comprises the first installing space, be provided with the installing tache outwards protruded out outside the rear outer cover of described rear air guide sleeve, the installing tache of rear air guide sleeve is fixed in described first installing space and also extends forward described shell.

In a preferred embodiment, described blower is axial-flow blower.

Compared with prior art, the utility model has following beneficial effect: the motor of blower is installed in mounting cup, described mounting cup be provided with perpendicular to motor shaft to assembly wall, the rotor of described motor extends back from mounting cup, the shell of motor is tightened together with the assembly wall of mounting cup by some screws by described motor, described screw arranges a pad before fastening, described pad is integral type, namely multiple screw makes motor and mounting cup to be fixed together by this pad, setting like this, enhance the stable fixed of pad, when avoiding electric machine rotation, screw rocks and comes off, improve the overall performance of blower.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the stereogram of the utility model blower.

Fig. 2 is another angle stereogram of the utility model blower.

Fig. 3 is the utility model blower portions three-dimensional exploded view.

Fig. 4 is the stereogram of the body of the utility model blower.

Fig. 5 is the three-dimensional exploded view of the body of the utility model blower.

Fig. 6 is the stereogram that the body of the utility model blower does not install impeller.

Embodiment

As shown in Figures 1 to 6, the utility model is a kind of blower 100 of gardens, and it comprises: shell 1, the body 2 be installed in shell 1, control circuit board 3, battery component 4 and be installed on the extension nozzle 4 of body 2 front end.

Described shell 1 comprises main body portion 11, handle part 12, upper end air-inlet grille 13 and rear end air-inlet grille 14, 12, described handle is positioned at the top of main body portion 11, described upper end air-inlet grille 13 is installed on the upper end of main body portion 11 and is positioned at the front end of handle part 12, described rear end air-inlet grille 14 is installed on the rear end of described main body portion 11 and is positioned at the below of described handle part 12, described main body portion 11 is by a left side, right two-part fit together, described main body portion 11 comprises installs the first installing space 111 of described body 2 and the second installing space 112 for installing control circuit board 3, air intake space is provided with between described first installing space 111 and rear end air-inlet grille 14, described upper end air-inlet grille 13 is for being obliquely installed, described rear end air-inlet grille 14 is also for be obliquely installed and roughly parallel with upper end air-inlet grille 13, described first installing space 111 is positioned at the below of described main body portion 11 and runs through forward described main body portion 11, described second installing space 112 is positioned at the top of described first installing space 111 and is positioned at the rear of described upper end air-inlet grille 13, described 3rd installing space 113 is extend forward from main body portion 11 rear end and be positioned at the rear of the second installing space 112, and described 3rd installing space 113 is positioned at the below of described handle part 12.

Described rear end air-inlet grille 14 from the top of rear end forward and downward-sloping, in the second installing space that described control circuit board 3 is installed on described main body portion 11 112.

Described body 2 is installed in the first installing space 111 of described main body portion 11, described body 2 comprises motor 21, former dome 22, rear air guide sleeve 23, impeller 24 and air outlet grate 25, described former dome 22 comprises the front outer cover 221 of cylinder type, conical flow guiding cone 222 in front outer cover 221 inside and the some front stator blade 223 before connecting between outer cover 221 and described flow deflecting cone 222, the rear end of described front outer cover 221 is concordant with the rear end of flow deflecting cone 222, the front end of described front outer cover 221 extends beyond described flow deflecting cone 222, rear end outside described front outer cover 221 is provided with the some latch part 224 outwards protruded out, described front stator blade 223 is in tilted layout relative to air path, before the utility model, stator blade 223 is set to 6, the thickness of the described front stator blade 223 near top is thick compared with stator blade 223 before other positions, this front stator blade 223 is provided with the hollow slot 2231 caved in from back to front, described hollow slot about 2231 extends through described front stator blade 223, described hollow slot 2231 connects outside flow deflecting cone 222 inside and former dome 22, described motor 21 is installed in flow deflecting cone 222 from back to front, some fixing columns 2221 that power supply machine 21 frame is held are provided with in described flow deflecting cone 222, the power line of described motor 21 extends to outside by described hollow slot 2231, described flow deflecting cone 222 rear end surface be provided with some inside and outside run through " U " type fluting 2222, the shell of described motor 21 is exposed to outside from fluting 2222, described fluting 2222 and front stator blade 223 interval are arranged.

Described rear air guide sleeve 23 comprises the rear outer cover 231 of cylinder type, the mounting cup 232 for mounted motor 21 in rear outer cover 231 and the some rear stator blade 233 after connecting between outer cover 231 and mounting cup 232, described mounting cup 232 comprises the assembly wall 2321 for fixed electrical machinery 21, described assembly wall 2321 is axially vertical with motor 21, described assembly wall 2321 passes through some screw fastenings with the diapire of motor 21 shell, screw of the present utility model is set to 3, integral type pad 7 is provided with between described screw and assembly wall 2321, several screws described are all firm by a pad 7, described pad 7 central authorities are provided with the elongated hole 71 supplying the rotor of described motor 21 to extend, described rear outer cover 231 is corresponding with front outer cover 221, described mounting cup 232 is corresponding with the rear end of flow deflecting cone 222, described rear stator blade 233 is with front stator blade 223 one_to_one corresponding and be set to 6, after institute, air guide sleeve 23 is installed on former dome 22 from back to front, described motor 21 is coated on inside by described flow deflecting cone 222 with described mounting cup 232, the rotor of described motor 2 from after extend described mounting cup 232, the snap close seat 234 corresponding with the latch part 224 of front outer cover 221 is provided with outside the rear outer cover 231 of described rear air guide sleeve 23, described former dome 22 and rear air guide sleeve 23 by screw described latch part 224 tightened together with described snap close 234 realize fixing.

Upper and lower end outside described rear outer cover 231 is provided with the installing tache 2311 protruded out, the rear end of described rear outer cover 231 is provided with a trumpet-shaped intake grill 2312, on the rotor that described impeller 24 is installed on described motor 21 and to be positioned at described rear outer cover 231 inner, the center line of described motor 21, impeller 24 and forward and backward air guide sleeve 22,23 is all located along the same line.

Described extension nozzle 4 is installed on the front end outer side of the front outer cover 221 of described former dome 22, described air outlet grate 25 is installed on the inside front ends of the front outer cover 221 of described former dome 22, and described body 2 is fixed in the first installing space 111 of described main body portion 11 by the installing tache 2311 of rear air guide sleeve 23 and also extends forward described main body portion 11.

The motor of blower 100 described in the utility model is installed in mounting cup 232, described mounting cup 232 is provided with the assembly wall 2321 perpendicular to motor 21 axis, the rotor of described motor 21 extends back from mounting cup 232, the shell of motor 21 is tightened together with the assembly wall 2321 of mounting cup 232 by some screws by described motor 21, described screw arranges a pad 7 before fastening, described pad 7 is integral type, and namely multiple screw makes motor 21 and mounting cup 232 to be fixed together by this pad 7; Setting like this, enhance the stable fixed of pad 7, when avoiding motor 21 to rotate, screw rocks and comes off, and improves the overall performance of blower 100.

To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. a blower (100), comprise body (2), described body (2) comprises motor (21), the rear air guide sleeve (23) of coated motor (21), it is characterized in that: described rear air guide sleeve (23) comprises the mounting cup (232) for mounted motor (21), described motor (21) is installed in mounting cup (232), the rotor of described motor (21) extends back described mounting cup (232) from described mounting cup (232), described mounting cup (232) is provided with the assembly wall (2321) with motor (21) housing contacts, described assembly wall (2321) and the shell of motor (21) pass through together with some screw fastenings, the pad (7) of integral type is provided with between those screws and assembly wall (2321).

2. blower as claimed in claim 1, is characterized in that: described assembly wall (2321) is vertical with the axial direction of motor (21).

3. blower as claimed in claim 1, is characterized in that: described pad (7) central authorities are provided with the elongated hole (71) extended for described motor (21) rotor.

4. blower as claimed in claim 1, is characterized in that: described screw number is 3.

5. blower as claimed in claim 1, it is characterized in that: described blower (100) comprises the former dome (22) being installed on rear air guide sleeve (23) front end, described former dome (22) is provided with the flow deflecting cone (222) of accommodating motor (21), described rear air guide sleeve (23) is provided with the mounting cup (232) of accommodating motor (21), described flow deflecting cone (222) is corresponding with before and after mounting cup (232), and described motor (21) is installed between described flow deflecting cone (222) and described mounting cup (232).

6. blower as claimed in claim 5, is characterized in that: be provided with some fixing columns (2221) that power supply machine (21) frame is held in described flow deflecting cone (222).

7. blower as claimed in claim 1, it is characterized in that: described body (2) comprises the impeller (24) of the rotor being installed on described motor (21), and described impeller (24) is positioned at the rear of described mounting cup (232).

8. blower as claimed in claim 7, is characterized in that: described impeller (24) rotarily drives air-flow and flows from back to front.

9. blower as claimed in claim 1, it is characterized in that: described blower bag (100) draws together the shell (1) of coated body (2), described shell (1) comprises the first installing space (111), rear outer cover (231) outside of described rear air guide sleeve (23) is provided with the installing tache (2311) outwards protruded out, and the installing tache (2311) of rear air guide sleeve (23) is fixed in described first installing space (111) and also extends forward described shell (1).

10. blower as in one of claimed in any of claims 1 to 9, is characterized in that: described blower (100) is axial-flow blower.