CN210343774U - Prevent impaired fan of impeller - Google Patents

Abstract

The utility model discloses a prevent impaired fan of impeller, including shell, motor and terminal box, the inboard welding of shell has the support frame, the motor passes through the upper surface of screw fixation support frame, the front end skin weld of shell has spacing stake, the front end of shell is equipped with the protection network, a spacing mouth has been seted up on the left side of the bottom of protection network, No. two spacing mouths have been seted up on the top right side of protection network, the front end of motor is equipped with the connecting piece, the front end of connecting piece is equipped with the impeller main part, the front end of impeller main part is equipped with the connecting seat, and the connecting seat welds in the rear end surface of protection network. The utility model discloses can improve the protectiveness to the impeller, improve the protectiveness to the motor, convenient to detach protection network, impeller main part are blocked by the foreign matter, and the motor continues to drive the inner skleeve and rotates, makes the recess push the stake into in the cover storehouse, makes the motor can not continue to drive impeller main part and strikes the foreign matter, reduces the damage of impeller main part.

Description

Prevent impaired fan of impeller

Technical Field

The utility model relates to a fan technical field specifically is a prevent impaired fan of impeller.

Background

The blower is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, the construction of the blower is different according to different use scenes, and one of the blowers is mainly composed of a motor and an impeller by a cylindrical pipeline blower.

Present fan is when using, in order to avoid the foreign matter to get into, the protection network has all been installed with the air outlet to the fan air intake, improve the protectiveness to the impeller, but if there is the foreign matter to pass in the protection network is inhaled the fan, can block the impeller, but the motor still can continue to rotate, it strikes the foreign matter to drive the impeller, can cause the impeller impaired, the motor is forced low-speed rotation simultaneously, can lead to the overheated burnout of motor, and present fan protection network passes through the screw fixation with the fan, it is comparatively inconvenient to dismantle the washing, consequently need to design one kind and prevent that the impaired fan of impeller from solving above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent impaired fan of impeller to the unable impeller that prevents that provides in solving above-mentioned background art is impaired, the unable convenient problem of dismantling the protection network.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent impaired fan of impeller, includes shell, motor and terminal box, the inboard welding of shell has the support frame, the motor passes through the upper surface of screw fixation in support frame, the front end skin weld of shell has spacing stake, the front end of shell is equipped with the protection network, the spacing mouth No. one has been seted up in the bottom left side of protection network, No. two spacing mouths have been seted up on the top right side of protection network, the front end of motor is equipped with the connecting piece, the front end of connecting piece is equipped with the impeller main part, the front end of impeller main part is equipped with the connecting seat, and the connecting seat welds in the rear end surface of protection network.

Preferably, the connecting piece comprises an outer sleeve, an inner sleeve, a groove, a top pile, a sleeve bin and a reed, the outer sleeve is inserted into the impeller main body, the output end of the motor is connected with the inner sleeve, and the inner sleeve and the outer sleeve form a rotating structure.

Preferably, the groove is formed in the outer surface of the inner sleeve, the sleeve bin is arranged on the inner side of the outer sleeve, the jacking pile and the reed are arranged on the inner side of the sleeve bin, the bottom end of the reed is inserted into the bottom end of the sleeve bin, the jacking pile and the reed form an elastic structure, and the top end of the jacking pile is inserted into the groove.

Preferably, the rear end of the connecting seat is sleeved with a bearing, the bearing is embedded in the inner side of the impeller main body, and the impeller main body and the connecting seat form a rotating structure through the bearing.

Preferably, the right side of No. two spacing mouths is equipped with the gag lever post, the surface cover of gag lever post is equipped with the connecting cylinder, and the connecting cylinder welds in the front end surface of shell, the inner chamber of connecting cylinder is equipped with the spring, the gag lever post closes with No. two spacing mouth interpolation.

Preferably, the junction box is fixed on the upper surface of the housing through screws, and the output end of the junction box is electrically connected with the motor through a wire.

Compared with the prior art, the beneficial effects of the utility model are that: the fan capable of preventing the impeller from being damaged can improve the protection performance on the impeller, improve the protection performance on the motor and facilitate the detachment of the protective net;

(1) be provided with the connecting piece, output through inner skleeve and motor is connected, can the gag lever post under normal conditions, the motor can drive the inner skleeve and rotate, make outer sleeve drive impeller main part and rotate, block when impeller main part by the foreign matter, make impeller main part fix the outer sleeve, the motor continues to drive the inner skleeve and rotates, make the recess with the fore-set stake impress in the cover storehouse, do not influence the motor and normally work, the motor can not continue to drive impeller main part simultaneously and strike the foreign matter, reduce the damage of impeller main part, and then improve the protectiveness to the impeller, improve the protectiveness to the motor.

(2) Be provided with spacing stake, spacing mouthful, No. two spacing mouthful and gag lever post, make No. two spacing mouthful impress the connecting cylinder with the gag lever post in through rotating the protection network, make spacing mouthful spacing leaving spacing stake spacing, make the protection network take off from the shell, and then reach the effect of convenient to detach protection network.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic side sectional view of the structure of the present invention;

fig. 3 is a schematic front cross-sectional view of the connector of fig. 2 according to the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a support frame; 3. a motor; 4. an impeller body; 5. a limiting rod; 6. a connecting member; 601. an outer sleeve; 602. an inner sleeve; 603. a groove; 604. pile jacking; 605. sleeving a bin; 606. a reed; 7. a protective net; 8. limiting piles; 9. a connecting cylinder; 10. a connecting seat; 11. a junction box; 12. a first limiting opening; 13. a second limiting port; 14. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a prevent impaired fan of impeller, includes shell 1, motor 3 and terminal box 11, and terminal box 11 passes through the screw fixation in the upper surface of shell 1, and the output of terminal box 11 passes through the wire to be connected with motor 3 electricity, and terminal box 11 plays the effect of connecting wire.

The inboard welding of shell 1 has support frame 2, motor 3 passes through the upper surface of screw fixation in support frame 2, the outer surface welding of the front end of shell 1 has spacing stake 8, the front end of shell 1 is equipped with protection network 7, No. one spacing mouthful 12 has been seted up on the left side of the bottom of protection network 7, No. two spacing mouthful 13 have been seted up on the top right side of protection network 7, the right side of No. two spacing mouthful 13 is equipped with gag lever post 5, the surface cover of gag lever post 5 is equipped with connecting cylinder 9, and connecting cylinder 9 welds in the front end surface of shell 1, the inner chamber of connecting cylinder 9 is equipped with spring 14, gag lever post 5 is inserted with No. two spacing mouthful 13 and is closed, spring 14 plays and provides the effect of elasticity for gag lever post 5, make gag lever post 5 insert with No. two spacing mouthful 13.

The front end of the motor 3 is provided with a connecting piece 6, the connecting piece 6 comprises an outer sleeve 601, an inner sleeve 602, a groove 603, a top pile 604, a sleeve bin 605 and a reed 606, the outer sleeve 601 is inserted into the impeller main body 4, the output end of the motor 3 is connected with the inner sleeve 602, the inner sleeve 602 and the outer sleeve 601 form a rotating structure, the model of the motor 3 is YYHS-55, the motor 3 plays a role in driving the inner sleeve 602 to rotate, and the outer sleeve 601 can drive the impeller main body 4 to rotate.

The groove 603 is arranged on the outer surface of the inner sleeve 602, the sleeve bin 605 is arranged on the inner side of the outer sleeve 601, the top pile 604 and the spring plate 606 are both arranged on the inner side of the sleeve bin 605, the bottom end of the spring plate 606 is inserted into the bottom end of the sleeve bin 605, the top pile 604 and the spring plate 606 form an elastic structure, the top end of the top pile 604 is inserted into the groove 603, the inner sleeve 602 is driven to rotate through the insertion of the top pile 604 and the groove 603, the top pile 604 drives the outer sleeve 601 to rotate, the spring plate 606 plays a role of providing elasticity for the top pile 604, and the top pile 604 can be always kept in a state as shown in fig. 3 when no.

The front end of connecting piece 6 is equipped with impeller main body 4, and the front end of impeller main body 4 is equipped with connecting seat 10, and connecting seat 10 welds in the rear end surface of protection network 7, and the bearing has been cup jointed to the rear end of connecting seat 10, and the bearing is embedded in impeller main body 4's inboard, and impeller main body 4 passes through the bearing and constitutes revolution mechanic with connecting seat 10, and connecting seat 10 can support impeller main body 4 front end, and impeller main body 4 can rotate on connecting seat 10.

The working principle is as follows: firstly, an external power supply is connected with the junction box 11 through a lead, so that the motor 3 can be controlled by an external control switch to control a power transmission switch, the control switch is turned on to electrify the junction box 11, the motor 3 can be electrified to rotate to drive the connecting piece 6 to rotate, and the connecting piece 6 drives the impeller main body 4 to rotate.

When the impeller main body 4 is clamped by foreign matters, the outer sleeve 601 can be fixed, the motor 3 continues to drive the inner sleeve 602 to rotate, the top pile 604 is pressed into the sleeve bin 605 by the groove 603, the limit of the inner sleeve 602 is released, the inner sleeve 602 cannot continue to drive the outer sleeve 601 to rotate, the impeller main body 4 loses power, the foreign matters cannot continue to be hit, and the damage to the impeller main body 4 is reduced.

When the protective screening 7 needs to be disassembled, the limiting rod 5 is pressed into the connecting cylinder 9 only by rotating the protective screening 7 to enable the second limiting opening 13, the first limiting opening 12 is enabled to be limited by the limiting pile 8, the protective screening 7 can be taken down from the shell 1, and the disassembly method is practical.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a prevent impaired fan of impeller, includes shell (1), motor (3) and terminal box (11), its characterized in that: the inboard welding of shell (1) has support frame (2), motor (3) are fixed in the upper surface of support frame (2) through the screw, the front end skin weld of shell (1) has spacing stake (8), the front end of shell (1) is equipped with protection network (7), spacing mouthful (12) have been seted up No. one in the bottom left side of protection network (7), spacing mouthful (13) have been seted up No. two on the top right side of protection network (7), the front end of motor (3) is equipped with connecting piece (6), the front end of connecting piece (6) is equipped with impeller main part (4), the front end of impeller main part (4) is equipped with connecting seat (10), and connecting seat (10) weld in the rear end surface of protection network (7).

2. The fan for preventing the damage of the impeller according to claim 1, wherein: the connecting piece (6) comprises an outer sleeve (601), an inner sleeve (602), a groove (603), a jacking pile (604), a sleeve bin (605) and a reed (606), the outer sleeve (601) is inserted into the impeller main body (4), the output end of the motor (3) is connected with the inner sleeve (602), and the inner sleeve (602) and the outer sleeve (601) form a rotating structure.

3. The fan for preventing the damage of the impeller according to claim 2, wherein: the groove (603) is formed in the outer surface of the inner sleeve (602), the sleeve bin (605) is arranged on the inner side of the outer sleeve (601), the top pile (604) and the spring plate (606) are arranged on the inner side of the sleeve bin (605), the bottom end of the spring plate (606) is inserted into the bottom end of the sleeve bin (605), the top pile (604) and the spring plate (606) form an elastic structure, and the top end of the top pile (604) is inserted into the groove (603).

4. The fan for preventing the damage of the impeller according to claim 1, wherein: the rear end of the connecting seat (10) is sleeved with a bearing, the bearing is embedded in the inner side of the impeller main body (4), and the impeller main body (4) and the connecting seat (10) form a rotating structure through the bearing.

5. The fan for preventing the damage of the impeller according to claim 1, wherein: the right side of No. two spacing mouthful (13) is equipped with gag lever post (5), the surface cover of gag lever post (5) is equipped with connecting cylinder (9), and connecting cylinder (9) weld in the front end surface of shell (1), the inner chamber of connecting cylinder (9) is equipped with spring (14), gag lever post (5) are inserted with No. two spacing mouthful (13) and are closed.

6. The fan for preventing the damage of the impeller according to claim 1, wherein: the junction box (11) is fixed on the upper surface of the shell (1) through screws, and the output end of the junction box (11) is electrically connected with the motor (3) through a wire.

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