CN2577011Y - Air exhausting fan belt pulley driving unit with automatic adjustment structure - Google Patents
Air exhausting fan belt pulley driving unit with automatic adjustment structure Download PDFInfo
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- CN2577011Y CN2577011Y CN 02259766 CN02259766U CN2577011Y CN 2577011 Y CN2577011 Y CN 2577011Y CN 02259766 CN02259766 CN 02259766 CN 02259766 U CN02259766 U CN 02259766U CN 2577011 Y CN2577011 Y CN 2577011Y
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- support body
- adjusting structure
- automatic adjusting
- motor
- fixedly arranged
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Abstract
The utility model relates to an air exhausting fan belt wheel driving device with an automatic adjusting structure, which aims to provide a component of a ventilating device with maintenance for the favorable operation of a fan blade and simple and convenient assembly. The utility model comprises a frame, two frame bodies connected by middle section planes to form an X shape to be fixedly arranged in the frame, a transmission set of a fan body, a motor transmission set and the automatic adjusting structure and a transmission belt assembled among the motor transmission set and the frame bodies. The transmission set of the fan body comprises a supporting seat fixedly arranged on the frame bodies, a belt wheel axle pivoted with the supporting seat by a bearing and a driven belt wheel fixedly arranged on the belt wheel axle. The motor transmission set comprises a motor seat, a motor fixedly arranged on the motor seat and a driving belt wheel arranged on a motor mandrel. The transmission belt is sheathed on the driving and driven belt wheels. The automatic adjusting structure comprises a seat body connected with the motor seat and pivoted with the frame bodies and a tension spring arranged among the seat body and the frame bodies. The transmission set of the motor is elastically pivoted with the frame bodies by the automatic adjusting structure.
Description
Technical field
The utility model belongs to the ventilation plant parts, particularly a kind of ventilating fan pulley gear with automatic adjusting structure.
Background technique
As shown in Figure 1, the pulley gear of at present general ventilating fan comprises framework 10, two support bodys 11, fan body transmission group 20, electric motor drive group 30 and driving belt 40.
Two support bodys 11 are for being relative trapezoidal lamellar body, it joins with place, the plane in stage casing and constitutes the X shape and be consolidated in the framework 10, the appropriate location, plane in two support bodys, 11 stage casings provides four and is the perforation 111 that cubic shape is arranged, and its appropriate location, below, inclined-plane, support body 11 left side, below provides four and is the locking hole 112 that cubic shape is arranged.
Fan body transmission group 20 comprises that being Qian shape bottom surface is provided with four and is the four directions and arranges the supporting base 21 in spiral shell knot hole 211, be hubbed at the Pulley shaft 22 of risers top, supporting base 21 front and back and be fixedly arranged on the negative pulley wheel 23 in Pulley shaft 22 the place aheads with bearing.Can the installing of air feed fan leaf behind the Pulley shaft 22.
Electric motor drive group 30 comprises that the appropriate location, bottom surface passes through four and be the four directions and arrange the motor base (frame) 31 in spiral shell knot hole 311, be fixedly arranged on the motor 1M on the motor base (frame) 31 and be installed in the drive pulley 32 in motor spindle the place ahead.
During assembling, as shown in Figure 2, fan body transmission group 20 is locked on the support body 11 by the screw that passes the four spiral shells knot hole 211,111 on fan body transmission group 20 supporting bases 21 and the plane, two support bodys, 11 stage casing; Then electric motor drive group 30 is locked on the support body 11 by the screw that passes electric motor drive group 30 motor base (frame)s 31 and inclined-plane, below support body 11 left side below locking hole 311,112; Be sheathed on 32 of the negative pulley wheel 23 of fan body transmission group 20 and electric motor drive group 30 drive pulleys with driving belt 40, promptly finish assembling.
There is following shortcoming in above-mentioned known ventilating fan pulley gear:
1, when the negative pulley wheel 23 of fan body transmission group 20 is rotated by drive pulley 32 drives of electric motor drive group 30, also drives fan blade simultaneously and rotate.Yet after using after a while, driving belt 40 can relax because of frictional loss, rotates thereby make drive pulley 32 can't drive negative pulley wheel 23, causes the fan blade running to have some setbacks, even can't turn round, and causes fan can't bring into play original function.
2, when driving belt 40 is desired to wear into 32 of the drive pulleys of the negative pulley wheel 23 of fan body transmission group 20 and electric motor drive group 30, often need to measure exactly earlier the spacing between negative pulley wheel 23 and the drive pulley 32, could make drive pulley 32 positively drive negative pulley wheel 23 and fan blade is rotated, otherwise can cause driving belt 40 too pine then can't drive the fan blade transmission really; Too tightly then overlap the fashionable situation that costs bigger strength and have some setbacks even pull apart driving belt 40 when causing turning round.
Summary of the invention
The purpose of this utility model provides a kind of ventilating fan pulley gear that the fan blade running is smooth and easy, assembling has automatic adjusting structure simply and easily that keeps.
The utility model comprises that framework, two join with the plane, stage casing and constitutes X to be fixedly arranged on support body, fan body transmission group, electric motor drive group in the framework, to be mounted on automatic adjusting structure and driving belt between electric motor drive group and the support body; The fan body transmission group comprises the supporting base that is fixedly arranged on the support body, is hubbed at the Pulley shaft on the supporting base and is fixedly arranged on negative pulley wheel on the Pulley shaft with bearing; The electric motor drive group comprises motor base (frame), be fixedly arranged on the motor on the motor base (frame) and be installed in drive pulley on the motor spindle; Driving belt is sheathed on master, the negative pulley wheel; Automatic adjusting structure comprises and motor base (frame) links and be hubbed at the pedestal on the support body and be arranged at pedestal and support body between draught spring; The electric motor drive group is hubbed on the support body by automatic adjusting structure elasticity.
Wherein:
The bending downwards of both sides, support body inclined-plane extends keeps out edge; The edge top of keeping out that support body bending downwards in below extends provides attachment hole respectively; Automatic adjusting structure pedestal upper end two side angles vertically extend the pin-joint part respectively, keep out the corresponding pivot of attachment hole hole on the edge in providing on the pin-joint part with both sides, support body inclined-plane, below; The pivot on the attachment hole is hubbed on the support body pedestal of automatic adjusting structure on its upper pivot hole and the support body by being arranged in.
Appropriate location, support body one skew back face below, below provides dog hole; Automatic adjusting structure pedestal lower end central authorities down extend the hook knot sheet that provides hook knot hole; The draught spring front and back ends is respectively equipped with to be used hook and ties forward and aft hanger on the dog hole of the hook knot hole of hook knot sheet and below support body one skew back face below.
Because the utility model comprises that framework, two join with the plane, stage casing and constitutes X to be fixedly arranged on support body, fan body transmission group, electric motor drive group in the framework, to be mounted on automatic adjusting structure and driving belt between electric motor drive group and the support body; The fan body transmission group comprises the supporting base that is fixedly arranged on the support body, is hubbed at the Pulley shaft on the supporting base and is fixedly arranged on negative pulley wheel on the Pulley shaft with bearing; The electric motor drive group comprises motor base (frame), be fixedly arranged on the motor on the motor base (frame) and be installed in drive pulley on the motor spindle; Driving belt is sheathed on master, the negative pulley wheel; Automatic adjusting structure comprises and motor base (frame) links and be hubbed at the pedestal on the support body and be arranged at pedestal and support body between draught spring; The electric motor drive group is hubbed on the support body by automatic adjusting structure elasticity.During assembling, the fan body transmission group is locked on the support body with fan body transmission group supporting base; Then the automatic adjusting structure pedestal is hubbed on the support body, and the electric motor drive group is locked on the automatic adjusting structure with the motor base (frame) of electric motor drive group; Again draught spring is arranged between below support body and the automatic adjusting structure pedestal, so that electric motor drive group elasticity is hubbed on the support body; Only need approximately to measure the spacing between negative pulley wheel and the drive pulley, driving belt is sheathed between the negative pulley wheel and electric motor drive group drive pulley of fan body transmission group, and adjust the elasticity of driving belt by draught spring; During use, when the negative pulley wheel of fan body transmission group is rotated by the drive pulley drive of electric motor drive group, also drive fan blade simultaneously to rotate; When driving belt relaxes because of frictional loss, automatic adjusting structure makes pedestal adjust spacing between negative pulley wheel and the drive pulley with respect to support body pivot pendulum by draught spring, driving belt is adjusted to suitable tight state, thereby make drive pulley still can rotate by smooth and easy drive negative pulley wheel, make fan blade keep running smooth and easy, to bring into play its function; Not only keep fan blade running smooth and easy, and assemble simple and convenient, thereby reach the purpose of this utility model.
Description of drawings
Fig. 1, ventilating fan pulley gear decomposition texture schematic isometric for commonly using.
Fig. 2, ventilating fan pulley gear structural representation front view for commonly using.
Fig. 3, be the utility model decomposition texture schematic isometric.
Fig. 4, be the utility model structural representation front view.
Embodiment
As shown in Figure 3, the utility model comprises framework 50, two support bodys 51, fan body transmission group 60, electric motor drive group 70, driving belt 90 and automatic adjusting structure 80.
Two support bodys 51 are for being relative trapezoidal lamellar body, and its place, plane with the stage casing joins and constitutes the X shape and be consolidated in the framework 50, and the appropriate location, plane in two support bodys, 51 stage casings provides four and is the spiral shells knot hole 511 that cubic shape is arranged, and the bending downwards of both sides, inclined-plane extends keeps out edge 52; And its appropriate location, below, inclined-plane, support body 51 left side, below provides dog hole 512, and edge 52 tops of keeping out that its bending downwards extends provide attachment hole 521 respectively.
Fan body transmission group 60 comprise be Qian shape bottom surface be provided with support body 51 on 511 corresponding spiral shells knot holes 611, four spiral shells knot hole supporting base 61, be hubbed at the Pulley shaft 62 of risers top, supporting base 61 front and back and be fixedly arranged on the negative pulley wheel 63 in Pulley shaft 62 the place aheads with bearing.Can the installing of air feed fan leaf behind the Pulley shaft 62.
Electric motor drive group 70 comprises that the appropriate location, bottom surface passes through four and be the four directions and arrange the motor base (frame) 71 in spiral shell knot hole 711, be fixedly arranged on the motor 1M on the motor base (frame) 71 and be installed in the drive pulley 72 in motor 1M axle the place ahead.
Automatic adjusting structure 80 comprises being fits thick square-sheet pedestal 81, pivot 84 and draught spring 86.
On the pedestal 81 appropriate location provide with motor base (frame) 71 on 711 corresponding spiral shells knot holes 811, spiral shell knot hole, its upper end two side angles vertically extend pin-joint part 82 respectively, keep out attachment hole 521 corresponding pivot holes 821 on the edge 52 in providing on the pin-joint part 82 with both sides, below support body 51 inclined-plane; Its lower end central authorities down extend the hook knot sheet 83 that provides hook knot hole 831.
Pivot 84 forms the elongate rod of big head for front end, and its rear end is provided with thread section 841.
Draught spring 86 front and back ends are respectively equipped with forward and aft hanger 861,862.
During assembling, as shown in Figure 4, fan body transmission group 60 is locked on the support body 51 by the screw that passes the four spiral shells knot hole 511 on fan body transmission group 60 supporting bases 61 and the plane, two support bodys, 51 stage casing; Then keep out the pivot 84 of attachment hole 521 on the edge 52 automatic adjusting structure 80 pedestals 81 are hubbed on the support body 51 by being arranged in pin-joint part, 81 liang of corners of pedestal 82 upper pivot holes 821 and both sides, below support body 51 inclined-plane, and with nut 85 location of screw lock on pivot 84 thread sections 841, so that automatic adjusting structure 80 can be put with respect to support body 51 pivots really; With the screw that passes spiral shell knot hole 811 on electric motor drive group 70 motor base (frame)s 71 and automatic adjusting structure 80 pedestals 81 electric motor drive group 70 is locked on automatic adjusting structure 80 pedestals 81; Again with the forward and aft hanger 861,862 of draught spring 86 front and back ends respectively hook tie on the dog hole 512 of the hook knot hole 821 of automatic adjusting structure 80 pedestals 81 hooks knot sheet 82 and below, inclined-plane, below support body 51 left side, so that electric motor drive group 70 elasticity are hubbed on the support body 51; Be sheathed on 72 of the negative pulley wheel 63 of fan body transmission group 60 and electric motor drive group 70 drive pulleys with driving belt 90, and make automatic adjusting structure 80 pedestals 81 can be with respect to support body 51 pivots pendulum to adjust the spacing between negative pulley wheel 63 and the drive pulley 72 by draught spring 86, use the elasticity of adjusting driving belt 90, promptly finish assembling.
As mentioned above, the utlity model has following benefit:
1, when the negative pulley wheel 63 of fan body transmission group 60 is rotated by drive pulley 72 drives of electric motor drive group 70, also drives fan blade simultaneously and rotate.Yet after using after a while, driving belt 90 can relax because of frictional loss, automatic adjusting structure 80 makes pedestal 81 adjust spacing between negative pulley wheel 63 and the drive pulley 72 with respect to support body 51 pivots pendulum by draught spring 86, driving belt 90 is adjusted to suitable tight state, thereby make drive pulley 62 still can rotate by smooth and easy drive negative pulley wheel 63, make fan blade keep running smooth and easy, to bring into play its function.
2, when driving belt 90 is desired to wear into 72 of the drive pulleys of the negative pulley wheel 63 of fan body transmission group 60 and electric motor drive group 70, only need approximately to measure the spacing between negative pulley wheel 63 and the drive pulley 72, driving belt 90 can be inserted in 72 of the drive pulleys of the negative pulley wheel 63 of fan body transmission group 60 and electric motor drive group 70, when causing relaxation phenomenon even if driving belt 90 is excessive, the draught spring 86 that hook is tied on the dog hole 512 of automatic adjusting structure 80 pedestals 81 hooks knots sheet 82 hooks knot hole 821 and below, inclined-plane, below support body 51 left side just is pulled to driving belt 90 suitable tight state automatically, thereby can make drive pulley 72 positively drive negative pulley wheel 63 and make the smooth and easy rotation of fan blade; When being inserted at need,, electric motor drive group 70 to fan transmission group 60 pulling, just can be become owner of driving belt 90 covers, 72,63 of negative pulley wheels easily by the stretch function of automatic adjusting structure 80 draught springs 86 because of driving belt 90 too small causing; Be inserted in finish after, only need to decontrol electric motor drive group 70, elastic force by draught spring 86 is adjusted to driving belt 90 suitable tight state automatically, thereby not only make driving belt 90 assembling simple and convenient, and guarantee that driving belt 90 can not pull apart because of too small, also can can't not drive the situation that fan blade is rotated really because of excessive causing.
Claims (3)
1, a kind of ventilating fan pulley gear with automatic adjusting structure, it comprises that framework, two join with the plane, stage casing and constitutes X to be fixedly arranged on support body, fan body transmission group, electric motor drive group and the driving belt in the framework; The fan body transmission group comprises the supporting base that is fixedly arranged on the support body, is hubbed at the Pulley shaft on the supporting base and is fixedly arranged on negative pulley wheel on the Pulley shaft with bearing; The electric motor drive group comprises motor base (frame), be fixedly arranged on the motor on the motor base (frame) and be installed in drive pulley on the motor spindle; Driving belt is sheathed on master, the negative pulley wheel; It is characterized in that between described electric motor drive group and the support body that group is provided with to use is hubbed at automatic adjusting structure on the support body with electric motor drive group elasticity; Automatic adjusting structure comprises and motor base (frame) links and be hubbed at the pedestal on the support body and be arranged at pedestal and support body between draught spring.
2, the ventilating fan pulley gear with automatic adjusting structure according to claim 1 is characterized in that the bending downwards of both sides, described support body inclined-plane extends to keep out edge; The edge top of keeping out that support body bending downwards in below extends provides attachment hole respectively; Automatic adjusting structure pedestal upper end two side angles vertically extend the pin-joint part respectively, keep out the corresponding pivot of attachment hole hole on the edge in providing on the pin-joint part with both sides, support body inclined-plane, below; The pivot on the attachment hole is hubbed on the support body pedestal of automatic adjusting structure on its upper pivot hole and the support body by being arranged in.
3, the ventilating fan pulley gear with automatic adjusting structure according to claim 1 and 2 is characterized in that appropriate location, described below support body one skew back face below provides dog hole; Automatic adjusting structure pedestal lower end central authorities down extend the hook knot sheet that provides hook knot hole; The draught spring front and back ends is respectively equipped with to be used hook and ties forward and aft hanger on the dog hole of the hook knot hole of hook knot sheet and below support body one skew back face below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02259766 CN2577011Y (en) | 2002-09-28 | 2002-09-28 | Air exhausting fan belt pulley driving unit with automatic adjustment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02259766 CN2577011Y (en) | 2002-09-28 | 2002-09-28 | Air exhausting fan belt pulley driving unit with automatic adjustment structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2577011Y true CN2577011Y (en) | 2003-10-01 |
Family
ID=33727021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02259766 Expired - Fee Related CN2577011Y (en) | 2002-09-28 | 2002-09-28 | Air exhausting fan belt pulley driving unit with automatic adjustment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2577011Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017148149A1 (en) * | 2016-03-03 | 2017-09-08 | 北京小米移动软件有限公司 | Swing range control assembly, household appliance, and swing control method and device |
| CN111365264A (en) * | 2020-03-12 | 2020-07-03 | 佛山市顺德区美的洗涤电器制造有限公司 | Motor fan assembly, air box assembly and integrated stove |
-
2002
- 2002-09-28 CN CN 02259766 patent/CN2577011Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017148149A1 (en) * | 2016-03-03 | 2017-09-08 | 北京小米移动软件有限公司 | Swing range control assembly, household appliance, and swing control method and device |
| US10408344B2 (en) | 2016-03-03 | 2019-09-10 | Beijing Xiaomi Mobile Software Co., Ltd. | Oscillation amplitude control component, home electrical equipment and oscillation amplitude control method and device |
| CN111365264A (en) * | 2020-03-12 | 2020-07-03 | 佛山市顺德区美的洗涤电器制造有限公司 | Motor fan assembly, air box assembly and integrated stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wu Yanfei Assignor: Jiulongwan Enterprise Co., Ltd. Contract fulfillment period: Contract performance period from May 30, 2005 to May 30, 2006 Contract record no.: Contract filing No. 051000030064 Denomination of utility model: The utility model relates to a driving device for an exhaust fan pulley with an automatic adjusting structure Granted publication date: 20031001 License type: License type general permission Record date: 20050728 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: COMMON LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2005.5.30 TO 2006.5.30 Name of requester: WU YANFEI Effective date: 20050728 |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |