CN201966590U - Overload protection device of motor - Google Patents
Overload protection device of motor Download PDFInfo
- Publication number
- CN201966590U CN201966590U CN2011200053759U CN201120005375U CN201966590U CN 201966590 U CN201966590 U CN 201966590U CN 2011200053759 U CN2011200053759 U CN 2011200053759U CN 201120005375 U CN201120005375 U CN 201120005375U CN 201966590 U CN201966590 U CN 201966590U
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- Prior art keywords
- drive link
- disk
- overload protection
- protection device
- motor
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Abstract
The utility model discloses an overload protection device of a motor. In the device, a driving disk comprises a circular tube and a circular disk, wherein the circular disk is provided with a central through hole with the same internal diameter as that of the circular tube; the circular tube is vertically arranged on the disk surface on one side of the circular disk; the axis of the circular tube and the axis of the central through hole are in the same straight line; a driven disk is rotatably sleeved outside the circular tube; one end of a transmission rod is rotatably arranged on the circular disk and is closely attached to the outer surface of the driven disk; the outer surface of the driven disk is provided with a V-shaped groove; a bump which is matched with the V-shaped groove is arranged on one side, facing the driven disk, of the transmission rod, and is clamped in the groove; the other end of the transmission rod is connected with a spring; and the other end of the spring is arranged on the circular disk. Through the overload protection device of the motor, the problem of high cost caused by high requirements of a machining process of an overload protection device in the prior art is solved.
Description
Technical field
The utility model relates to a kind of motor overload protection device, relates in particular to a kind of motor overload protection device.
Background technology
In machinery, when axle surpassed the load that can bear, overload protection can prevent to transship and the apparatus that causes damages.
Along with progress of science and technology; the structure of modern mechanical becomes increasingly complex; function also becomes from strength to strength; need do reliable protection for driver parts such as motors; commonly used is the torque overload protector at present, and common mechanical type torque overload protector has friction-type overload protective device, ball-type (steel-ball type) overload protective device etc. on the market.
Common torque overload protector in the prior art, as the friction disk type overload protective device, ball-type (steel-ball type) overload protective device etc. are because of its processing technology requires expensive height, repeat to transship shortcomings such as precision reduction.
The utility model content
The utility model discloses a kind of motor overload protection device, in order to solve the high problem of cost that overload protection arrangement requires height to cause owing to processing technology in the prior art.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions:
A kind of motor overload protection device, wherein, one driving disc spacing pressing comprises: a pipe, one disk is provided with a central through hole identical with described round tube inside diameter, described pipe is vertically set on the side panel face of described disk, described pipe matches with described central through hole, and the axle center of described pipe and the axle center of described central through hole are on same straight line; One clutch plate is rotating to be set in outside the described pipe; One end of one drive link is rotating to be installed on the described disk, the outer surface of described drive link and described clutch plate is close to, offer v-depression on the outer surface of described clutch plate, described drive link is provided with the projection that is complementary with described v-depression towards a side of described clutch plate, and described projection snaps in described groove; The other end of described drive link links to each other with a spring, and the other end of described spring is installed on the described disk.
Aforesaid motor overload protection device wherein, is provided with axial notch in the described pipe, is arranged on the axial projection in the rotating shaft on the motor in order to coupling, is used for described pipe is linked to each other with the key syndeton with the power transmission shaft of motor.
Aforesaid motor overload protection device, wherein, a drive sprocket is rotating to be set in outside the described pipe, and described drive sprocket is arranged on the side of described clutch plate away from described disk, and described drive sprocket is fixedlyed connected with described clutch plate.
Aforesaid motor overload protection device, wherein, described drive link links to each other by a bolt with described spring, and described bolt passes described drive link, and described bolt is provided with an adjusting nut, in order to regulate the elasticity of described spring.
Aforesaid motor overload protection device wherein, offers a hanging hole on the described bolt, described spring be provided with one with the hook of described hanging hole coupling, described hook passes described hanging hole.
Aforesaid motor overload protection device; wherein; also comprise one second drive link; described second drive link is rotating to be installed on the described disk; described second drive link and described drive link are installed on the same lateral plates of described disk; and with the center of circle center symmetry of described drive link about disk, described second drive link is identical with the mounting structure of described drive link.
Aforesaid motor overload protection device wherein, offers one second circular hole on the described disk, described second circular hole places and the corresponding position of described drive link mid portion, and an end of a sensing chip passes described second circular hole and is installed on the described drive link; One infrared ray sensor is installed in by a support bar on the base of motor, and the rotating shaft of described infrared ray sensor and motor is arranged on the same straight line, and the other end of described sensing chip and described transducer offset.
Aforesaid motor overload protection device, wherein, described clutch plate is located at outside the described pipe by bearing holder (housing, cover).
In sum, the utility model motor overload protection device has solved overload protection arrangement in the prior art because processing technology requires the high high problem of cost that causes.
Description of drawings
Fig. 1 is the structural representation of the utility model motor overload protection device;
Fig. 2 is the structure side view of the utility model motor overload protection device;
Fig. 3 be the utility model motor overload protection device A-A to structural representation;
Fig. 4 is the structural representation of the embodiment three of the utility model motor overload protection device;
Fig. 5 is the structure side view of the embodiment three of the utility model motor overload protection device.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described:
Embodiment (one)
Fig. 1 is the structural representation of the utility model motor overload protection device, Fig. 2 is the structure side view of the utility model motor overload protection device, Fig. 3 be the utility model motor overload protection device A-A to structural representation, see also Fig. 1, Fig. 2, Fig. 3, a kind of motor overload protection device, it is characterized in that, one driving disc spacing pressing comprises, one pipe 102, one disk 106 be provided with one with the identical central through hole of pipe 102 internal diameters, pipe 102 is vertically set on the side panel face of disk 106, pipe 102 matches with central through hole, the axle center of pipe 102 and the axle center of central through hole on same straight line, a clutch plate 103 rotating being set in outside the pipe; One end of one drive link 104 is rotating to be installed on the disk 106, drive link 104 is close to the outer surface of clutch plate 103, offer v-depression 1031 on the outer surface of clutch plate 103, drive link 104 is provided with the projection 1041 that is complementary with v-depression 1031 towards a side of clutch plate 103, projection 1041 snaps in v-depression 1031, projection 1041 parts that snap in v-depression 1031 are close to the inwall of v-depression 1031, the other end of drive link 104 links to each other with an end of a spring 107, the other end of spring 107 is installed on the disk 106, make the projection 1041 on the drive link 104 engage with v-depression 1031 on the clutch plate, thereby projection 1041 applies a tangential force to v-depression 1031 makes clutch plate 103 rotate with driving disc spacing pressing 106, moment of torsion on clutch plate 103 is excessive, when surpassing the load capacity of motor, the pulling force that projection 1041 radial loads that are subjected to can provide greater than spring 107, projection 1041 breaks away from from v-depression 1031, driving disc spacing pressing 106 is also removed simultaneously with the interaction relation of clutch plate 103, projection 1041 is pressed into the structure of v-depression 1031 by the radial load that adopts drive link 104 that the pulling force of spring 107 is converted to projection 1041, make that the load of motor can in time break away from when motor overload, avoided motor to cause damage because of long term overloading.
Be provided with axial notch in the pipe 102 in the present embodiment, be arranged on the axial projection in the rotating shaft on the motor 200 in order to coupling, be used for pipe 102 is linked to each other with the key syndeton with the power transmission shaft of motor 200, make the utility model 100 can be installed in the rotating shaft of motor 200.
Also comprise a drive sprocket 130 rotating being set in outside the pipe 102 in the present embodiment, drive sprocket 130 is arranged on the side of clutch plate 103 away from disk 106, and drive sprocket 130 is fixedlyed connected with clutch plate 103, and drive sprocket 130 is used for the power of motor 200 is sent to external equipment
Drive link 104 in the present embodiment links to each other by a bolt 108 with spring 107, bolt 108 passes drive link 104, bolt 108 is provided with an adjusting nut 109, elasticity in order to regulating spring 107, by adjusting to spring 107 elasticities, make the utility model to adjust the elastic force of spring 107 according to the load capacity of different motors, to adapt to the motor of different model, and the situation of flexibility decrease can appear in spring 107 long uses, elastic force by 109 pairs of springs 107 of adjusting nut is regulated, and effectively avoids because the appearance that occurs projection 1041 disengaging situation from v-depression 1031 under the situation that motor 200 does not transship that spring 107 elastic force descend and cause.
Offer a hanging hole on the bolt 108 in the present embodiment, spring 107 is provided with a hook that is complementary with hanging hole, hook passes hanging hole, adopting said structure to be connected on spring 107 and bolt 108 makes projection 1041 can earlier projection 1041 and drive link 104 be resetted after breaking away from v-depression 1031, then hook is passed hanging hole and realize fixing, adopt The above results to greatly facilitate resetting of overload back projection.
Clutch plate 103 in the present embodiment is located at outside the pipe 102 by bearing holder (housing, cover).
Embodiment (two)
Fig. 1 is the structural representation of the utility model motor overload protection device; Fig. 2 is the structure side view of the utility model motor overload protection device; Fig. 3 be the utility model motor overload protection device A-A to structural representation; see also Fig. 1; Fig. 2; Fig. 3; on the basis of embodiment one; the utility model motor overload protection device also comprises one second drive link 120; second drive link, 120 rotating being installed on the disk 106; second drive link 120 is installed on the same side card of disk with drive link 104; and with the center of circle center symmetry of drive link 104 about disk 106; second drive link 120 is identical with the mounting structure of drive link 104; being provided with a projection 1201 on second drive link 120 equally is complementary with second v-depression 1032 that is arranged on the clutch plate 103; second drive link 120 is stuck in projection 1201 in second v-depression 1032 by 140 tensions of second spring; adopt two drive links and two protruding interlocks that realize clutch plate 103 and driving disc spacing pressing 106; make that its interaction relation is more stable; firmly, the mounting structure that a plurality of similar drive links also can be set is realized the interlock of driving disc spacing pressing 106 and clutch plate 103.
Embodiment (three)
Fig. 4 is the structural representation of the embodiment three of the utility model motor overload protection device, Fig. 5 is the structure side view of the embodiment three of the utility model motor overload protection device, see also Fig. 4, Fig. 5, on the basis of the foregoing description, offer one second circular hole 114 on the disk 106 of the utility model motor overload protection device, second circular hole put 114 in the corresponding position of drive link 104 mid portions, an end of a sensing chip 110 passes second circular hole 114 and is installed on the drive link 104; One infrared ray sensor 111 is installed on the base 113 of motor by a support bar 112, infrared ray sensor 111 is arranged on the same straight line with the rotating shaft of motor 200, the probe of the other end of sensing chip 110 and infrared ray sensor 111 offsets, in the process that motor runs well, sensing chip 110 contacts all the time with the probe of infrared ray sensor 111, when overload takes place in motor 200, projection 1041 breaks away from from v-depression 1031, simultaneously drive link 104 is pushed up to the direction away from driving disc spacing pressing 106 centers of circle, thereby make sensing chip 110 break away from the position of the probe of infrared ray sensor 111, and then infrared ray sensor 111 is with signal output, the operation of reporting to the police or cutting off the electricity supply.
The concrete working method of the utility model motor overload protection device is: the pipe of driving disc spacing pressing is enclosed within on the drive axle of motor; pipe and drive axle of motor are fixed with the key syndeton; open motor; drive link on the driving disc spacing pressing is stuck in projection in the groove; the elastic force of spring presses down projection with the cell wall of v-depression to be close to; and then provide a tangential force to make driving disc spacing pressing to rotate together by the projection drive clutch plate that is arranged on the drive link; when the situation of overload appears in motor; the radial load that groove is applied on the projection offers protruding radial load greater than spring; projection breaks away from from v-depression; the interaction relation of driving disc spacing pressing and clutch plate is removed; because breaking away from from V-shaped groove, projection cause drive link drive sensing chip to break away from infrared ray sensor simultaneously; infrared ray sensor spreads out of signal, and external equipment receives reports to the police behind the signal or cut off the operation of electric current.
In sum, the utility model motor overload protection device has solved overload protection arrangement in the prior art because processing technology requires the high high problem of cost that causes.
More than specific embodiment of the utility model is described in detail, but it is just as example, the utility model is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the utility model is carried out and substituting also all among category of the present utility model.Therefore, not breaking away from impartial conversion and the modification of being done under the spirit and scope of the present utility model, all should be encompassed in the scope of the present utility model.
Claims (8)
1. motor overload protection device, it is characterized in that, one driving disc spacing pressing comprises: a pipe, one disk is provided with a central through hole identical with described round tube inside diameter, described pipe is vertically set on the side panel face of described disk, described pipe matches with described central through hole, and the axle center of described pipe and the axle center of described central through hole are on same straight line; One clutch plate is rotating to be set in outside the described pipe; One end of one drive link is rotating to be installed on the described disk, the outer surface of described drive link and described clutch plate is close to, offer v-depression on the outer surface of described clutch plate, described drive link is provided with the projection that is complementary with described v-depression towards a side of described clutch plate, and described projection snaps in described groove; The other end of described drive link links to each other with a spring, and the other end of described spring is installed on the described disk.
2. motor overload protection device according to claim 1 is characterized in that, is provided with axial notch in the described pipe, is arranged on the axial projection in the rotating shaft on the motor in order to coupling, is used for described pipe is linked to each other with the key syndeton with the power transmission shaft of motor.
3. motor overload protection device according to claim 1; it is characterized in that; one drive is rotating to be set in outside the described pipe, and described drive sprocket is arranged on the side of described clutch plate away from described disk, and described drive is fixedlyed connected with described clutch plate.
4. motor overload protection device according to claim 1 is characterized in that, described drive link links to each other by a bolt with described spring, and described bolt passes described drive link, and described bolt is provided with an adjusting nut, in order to regulate the elasticity of described spring.
5. motor overload protection device according to claim 4 is characterized in that, offers a hanging hole on the described bolt, described spring be provided with one with the hook of described hanging hole coupling, described hook passes described hanging hole.
6. according to claim 1,4,5 arbitrary described motor overload protection devices; it is characterized in that; also comprise one second drive link; described second drive link is rotating to be installed on the described disk; described second drive link and described drive link are installed on the same lateral plates of described disk; and with the center of circle center symmetry of described drive link about disk, described second drive link is identical with the mounting structure of described drive link.
7. motor overload protection device according to claim 1, it is characterized in that, offer one second circular hole on the described disk, described second circular hole places and the corresponding position of described drive link mid portion, and an end of a sensing chip passes described second circular hole and is installed on the described drive link; One infrared ray sensor is installed in by a support bar on the base of motor, and the rotating shaft of described infrared ray sensor and motor is arranged on the same straight line, and the other end of described sensing chip and described transducer offset.
8. motor overload protection device according to claim 1 is characterized in that described clutch plate is located at outside the described pipe by bearing holder (housing, cover).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200053759U CN201966590U (en) | 2011-01-10 | 2011-01-10 | Overload protection device of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200053759U CN201966590U (en) | 2011-01-10 | 2011-01-10 | Overload protection device of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201966590U true CN201966590U (en) | 2011-09-07 |
Family
ID=44529144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200053759U Expired - Lifetime CN201966590U (en) | 2011-01-10 | 2011-01-10 | Overload protection device of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201966590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545477A (en) * | 2011-01-10 | 2012-07-04 | 上海龙腾机械制造有限公司 | Overload protective device of motor |
-
2011
- 2011-01-10 CN CN2011200053759U patent/CN201966590U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545477A (en) * | 2011-01-10 | 2012-07-04 | 上海龙腾机械制造有限公司 | Overload protective device of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI LONGTENG TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI LONGTENG MACHINERY MANUFACTURE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 201300, No. 138, Tao Qiao Road, Nanhui Industrial Park, Shanghai, Pudong New Area, 2 Patentee after: SHANGHAI LONGTENG TECHNOLOGY CO., LTD. Address before: 201300 Nanhui Industrial Park, Pudong New Area, Shanghai South Road, No. 9458, No. 308, No. Patentee before: Shanghai Longteng Machinery Mfg. Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |
|
| CX01 | Expiry of patent term |