CN105465049A - Blower - Google Patents

Abstract

The invention discloses a blower which comprises a blower body. The blower body comprises a motor and a front flow guiding hood used for mounting the motor. An air outlet grilling is arranged at a front end air outlet of the front flow guiding hood and provided with an edge part and blocking walls located in the edge part. The blocking walls can prevent the hands of an operator from stretching into the blower body, and therefore the safety of the blower is improved; meanwhile, guiding ribs are arranged at the joints of the blocking walls of the air outlet grilling, the guiding ribs can reduce pressure loss of airflow at the air outlet grilling and regulate the airflow to increase the air outlet speed of the air outlet, and the situation that the using performance of the blower is affected due to the arrangement of the air outlet grilling is avoided.

Description

Blower

Technical field

The present invention relates to a kind of blower.

Background technique

In graden machine, blower is used for dispelling ground foreign material, as a kind of blower of bulletin on March 26th, 2014, described blower comprises: body, be coated on extra-organismal shell and be sheathed on the extension nozzle of body front end, described body comprises motor, is installed on the impeller of motor and is coated on the electrical machinery cover outside motor, due to general when nozzle is unkitted as body, the opening of body front end is larger, being enough to user for food stretches in body by hand, so, easily damage user, Safety performance reduces greatly.

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

Summary of the invention

Be to provide a kind of blower improving Safety performance order of the present invention.

For realizing above-mentioned order ground, the present invention adopts following technological scheme: a kind of blower, comprise: body, described body comprises motor, former dome for mounted motor, the exhaust outlet place, front end of described former dome is provided with an air outlet grate, described air outlet grate is provided with edge and is positioned at the block wall of edge, and the rear end of described block wall is provided with the guiding rib connecting edge.

In a preferred embodiment, described edge is circular, and described block wall is level and vertical is arranged at edge inside.

In a preferred embodiment, described former dome comprises front outer cover, and described air outlet grate is installed on the front end of described front outer cover.

In a preferred embodiment, described former dome also comprises the flow deflecting cone being positioned at front outer cover, and described body comprises rear air guide sleeve, and described rear air guide sleeve is provided with a mounting cup, described flow deflecting cone is corresponding with before and after mounting cup, and described motor is installed between described flow deflecting cone and mounting cup.

In a preferred embodiment, described body comprises the impeller being installed on motor, and the rotor of described motor extends in rear air guide sleeve from mounting cup, and described impeller is installed on the rear of described air outlet grate.

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 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 present invention has following beneficial effect: the exhaust outlet front end of body is provided with air outlet grate, the block wall that described air outlet grate is provided with level and vertically arranges, described block wall can avoid operator to be stretched in body by hand, thus improves the Safety performance of blower; Simultaneously, air outlet grate is provided with guiding rib in block wall joint, and described guiding rib can reduce the distinguished and admirable pressure loss at air outlet grate, and carries out rectification to wind, improve the speed of air outlet, avoid blower to affect usability owing to being provided with air outlet grate.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention 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 some embodiments of the present invention, 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 blower of the present invention.

Fig. 2 is another angle stereogram of blower of the present invention.

Fig. 3 is blower portions three-dimensional exploded view of the present invention.

Fig. 4 is the stereogram of the body of blower of the present invention.

Fig. 5 is the three-dimensional exploded view of the body of blower of the present invention.

Fig. 6 is the stereogram of the air outlet grate of blower of the present invention.

Embodiment

As shown in Figures 1 to 6, the present invention 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, and 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 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 present invention, 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 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 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, described air outlet grate 25 is installed on the inside front ends of the front outer cover 221 of described former dome 22, described air outlet grate 25 comprises circular edge 251 and is positioned at level and the block wall 252 vertically arranged inside edge 251, setting like this, the area stopping exhaust outlet can be reduced as far as possible, the diameter of the more described front outer cover 221 of diameter of described edge 251 is smaller, described edge 251 is installed on the front end of described front outer cover 221, described block wall 252 is provided with edge 251 guiding rib 253 be obliquely installed, described guiding rib 253 is positioned at same axial plane with the block wall 252 of this extension, described guiding rib 253 can reduce the distinguished and admirable pressure loss at air outlet grate 25, and rectification is carried out to air-out, improve the speed of air-out, simultaneously, described block wall 252 can prevent user from being stretched into by hand in described body 2, avoid user injured.

Front outer cover 221 front end of the body 2 of blower 100 of the present invention is provided with air outlet grate 25, the block wall 252 that described air outlet grate 25 is provided with level and vertically arranges, described block wall 252 can avoid operator to be stretched in body 2 by hand, thus improves the Safety performance of blower 100; Simultaneously, air outlet grate 25 is provided with guiding rib 253 in block wall 252 joint, described guiding rib 253 can reduce the distinguished and admirable pressure loss at air outlet grate 25, and rectification is carried out to wind, improve the speed of air outlet, avoid blower 100 to affect usability owing to being provided with air outlet grate 25.

To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention 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 (9)

1. a blower (100), comprise: body (2), described body (2) comprises motor (21), former dome (22) for mounted motor (21), it is characterized in that: the front end of described former dome (22) is provided with an air outlet grate (25), described air outlet grate (25) is provided with edge (251) and is positioned at the block wall (252) of edge (251), and the rear end of described block wall (252) is provided with the guiding rib (253) connecting edge (252).

2. blower as claimed in claim 1, is characterized in that: described edge (251) is for circular, and described block wall (252) is for level and vertical to be arranged at edge (251) inner.

3. blower as claimed in claim 1, it is characterized in that: described former dome (22) comprises front outer cover (221), described air outlet grate is installed on the front end of described front outer cover (221).

4. blower as claimed in claim 3, it is characterized in that: described former dome (22) also comprises the flow deflecting cone (222) being positioned at front outer cover (221), described body (2) comprises rear air guide sleeve (23), described rear air guide sleeve (23) is provided with a mounting cup (232), 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 mounting cup (232).

5. blower as claimed in claim 4, it is characterized in that: described body (2) comprises the impeller (24) being installed on motor (21), the rotor of described motor (21) extends in rear air guide sleeve (23) from mounting cup (232), and described impeller (24) is installed on the rear of described air outlet grate (25).

6. blower as claimed in claim 3, 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 5, is characterized in that: described impeller (24) rotarily drives described air-flow and flows from back to front.

8. blower as claimed in claim 4, it is characterized in that: described blower (100) comprises 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).

9. blower as claimed in any of claims 1 to 8 in one of claims, is characterized in that: described blower (100) is axial-flow blower.