CN202796726U - Centrifugal switch - Google Patents
Centrifugal switch Download PDFInfo
- Publication number
- CN202796726U CN202796726U CN 201220504959 CN201220504959U CN202796726U CN 202796726 U CN202796726 U CN 202796726U CN 201220504959 CN201220504959 CN 201220504959 CN 201220504959 U CN201220504959 U CN 201220504959U CN 202796726 U CN202796726 U CN 202796726U
- Authority
- CN
- China
- Prior art keywords
- centrifugal
- plate
- shaft sleeve
- support plate
- contact support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a centrifugal switch, comprising fixed contact supporting plate, a fixed contact, a moving contact supporting plate with elasticity, a moving contact, a centrifugal shaft sleeve, and a centrifugal component. The centrifugal component comprises a base with a shaft hole, two centrifugal pushing components, and two thread springs. The base comprises a casing pipe with a shaft hole and spacing plates disposed on an upper side and a lower side of the casing pipe. Each spacing plate is provided with a spacing hole. The centrifugal shaft sleeve comprises a shaft sleeve body used to dispose on a main shaft, an annular boss raised from the shaft sleeve body along a radial direction, and two spacing bosses disposed on a left side and a right side of the shaft sleeve body. Each centrifugal pushing component comprises a base plate, a batter board, a balance weight component, load carrying plates, and hooking plates. The batter board is disposed in the spacing hole of the base. Each thread spring is disposed on the two hooking plates on a same side of the main shaft. The structure of the centrifugal switch is relatively reasonable and compact, and performance is relatively stable and reliable.
Description
Technical field
The utility model belongs to centrifugal switch structure-design technique field, is specifically related to a kind of centrifugal switch for single-phase motor.
Background technology
Single-phase motor is simple in structure, firm, finds easily single phase poaer supply, thereby is widely used as the drive motor of family, office, industry, agriculture electrical appliance.But because starting voluntarily, make troubles to use.In order to produce detent torque, disposed except Working winding, also have and the dephased starting winding of Working winding, when the rotary speed of rotor reaches the 70%-80% of synchronous speed, the centrifugal switch action will be started the winding open circuit.
So monophase machine in order to solve the starting current problem, needs to use centrifugal switch.The structure of existing centrifugal switch is varied, but all has shortcoming more or less, and its structure is still needed improvement badly.
The utility model content
The purpose of this utility model provides comparatively rationally compact, the comparatively reliable and stable centrifugal switch of performance of a kind of structure.
The technical scheme that realizes the utility model purpose is: a kind of centrifugal switch, comprise the fixed contact support plate, be arranged on fixed contact on the fixed contact support plate, be arranged on the fixed contact support plate have flexible moving contact support plate, be arranged on moving contact on the moving contact support plate, be used for being pressed on make on the moving contact support plate its elastically-deformable Cenbrifugal shaft sleeve occurs, be used for promoting Cenbrifugal shaft sleeve makes it move along alignment of shafts axis direction centrifugal; Described centrifugal comprise pedestal with axis hole, be arranged on the pedestal and up and down symmetrically arranged two centrifugal impellers, be used to centrifugal impeller provide reseting elasticity two screw thread springs; Described pedestal comprises sleeve pipe sleeve pipe with axis hole and is positioned at the up and down limiting plate of two side ends of sleeve pipe, and the basic configuration of each limiting plate is step or L shaped, and each limiting plate is provided with a spacing hole; Described Cenbrifugal shaft sleeve comprises be used to the annular boss that is set in axle sleeve body on the main shaft, radially protrudes from the axle sleeve body and two positive stop lug boss that are arranged on axle sleeve body left and right sides end; Each centrifugal impeller comprise the setting of adjacent spindle periphery wall substrate, from substrate near the location-plate of the side formation protruding upward of stator, be positioned at substrate and protrude the stressed plate that forms away from another side of stator and upwardly extending counterweight, from substrate left and right sides end to downward-extension, be arranged on two hooking plates on two stressed plates; Described location-plate is arranged in the spacing hole of described pedestal; Each screw thread spring is hooked on two hooking plates that are positioned at main shaft the same side, and makes two stressed plates its clamping on the positive stop lug boss of Cenbrifugal shaft sleeve away from the tension of an end of substrate; Each stressed plate away from an end of substrate between the positive stop lug boss of the annular boss of Cenbrifugal shaft sleeve and Cenbrifugal shaft sleeve; The annular boss of described Cenbrifugal shaft sleeve is pressed on the moving contact support plate.
In the technique scheme, described positive stop lug boss is triangle near the basic configuration of a side of stator; Described each stressed plate end is provided be used to the arc board that is pressed on the pushing part on the moving contact support plate and forms from the terminal protrusion of stressed plate, and each arc board is pressed on the leg-of-mutton corresponding one side of positive stop lug boss.
The utility model structure is comparatively rationally compact, and performance is comparatively reliable and stable.
Description of drawings
Fig. 1 is a kind of perspective view of the present utility model;
Fig. 2 is a kind of front view of centrifugal switch shown in Figure 1;
Fig. 3 is a kind of explosive view of centrifugal switch shown in Figure 1.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 3 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is a kind of perspective view of the present utility model; Fig. 2 is a kind of front view of centrifugal switch shown in Figure 1; Fig. 3 is a kind of explosive view of centrifugal switch shown in Figure 1.
Present embodiment is a kind of centrifugal switch, see Fig. 1 to shown in Figure 3, comprise fixed contact support plate 21, be arranged on fixed contact 22 on the fixed contact support plate 21, be arranged on the fixed contact support plate 21 have flexible moving contact support plate 23, be arranged on moving contact 24 on the moving contact support plate 23, be used for being pressed on make on the moving contact support plate 23 its elastically-deformable Cenbrifugal shaft sleeve 25 occurs, be used for promoting Cenbrifugal shaft sleeve 25 makes it move along main shaft 13 central axial direction centrifugal 26; Described centrifugal 26 comprise be used to be set in pedestal 27 on the main shaft 13, be arranged on the pedestal 27 and up and down symmetrically arranged two centrifugal impellers 28, be used to centrifugal impeller 28 provide reseting elasticity two screw thread springs 29; Described pedestal 27 comprises that the basic configuration of each limiting plate 272 is step or L shaped be used to the sleeve pipe 271 and the limiting plate 272 that is positioned at sleeve pipe two side ends about in the of 271 that are set on the main shaft 13, and each limiting plate 272 is provided with a spacing hole 273; Described Cenbrifugal shaft sleeve 25 comprises be used to the annular boss 252 that is set in axle sleeve body 251 on the main shaft 13, radially protrudes from axle sleeve body 251 and two positive stop lug boss 253 that are arranged on axle sleeve body 251 left and right sides ends; Each centrifugal impeller 28 comprise adjacent spindle 13 periphery wall settings substrate 281, from substrate 281 near the location-plate 282 of the side formation protruding upward of stator 11, be positioned at substrate 281 and protrude the stressed plate 284 that forms away from another side of stator 11 and upwardly extending counterweight 283, from substrate 281 left and right sides ends to downward-extension, be arranged on two hooking plates 285 on two stressed plates 284; Described location-plate 282 is arranged in the spacing hole 273 of described pedestal 27; Each screw thread spring 29 is hooked on two hooking plates 285 that are positioned at main shaft 13 the same sides, and makes two stressed plates 284 its clamping on the positive stop lug boss 253 of Cenbrifugal shaft sleeve 25 away from the tension of an end of substrate 281; Each stressed plate 284 away from an end of substrate 281 between the positive stop lug boss 253 of the annular boss 252 of Cenbrifugal shaft sleeve 25 and Cenbrifugal shaft sleeve 25; The annular boss 252 of described Cenbrifugal shaft sleeve 25 is pressed on the moving contact support plate 23.
Described positive stop lug boss 253 is triangles near the basic configuration of a side of stator 11; Described each stressed plate 284 end are provided be used to the arc boards 2842 that are pressed on the pushing part 2841 on the moving contact support plate 23 and form from stressed plate 284 terminal protrusions, and each arc board 2842 is pressed on positive stop lug boss 253 leg-of-mutton corresponding one side.
The present embodiment structure is comparatively rationally compact, and performance is comparatively reliable and stable.
The present embodiment operation principle is as follows: before the motor starting, moving contact contacts with fixed contact, starting capacitance and operation Capacitance parallel connection; After electrical motors arrived certain rotating speed, centrifugal switch made moving contact and fixed contact separately under the effect of centrifugal force, and starting capacitance quits work.
Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (2)
1. a centrifugal switch is characterized in that: comprise fixed contact support plate (21), be arranged on the fixed contact (22) on the fixed contact support plate (21), be arranged on and have a flexible moving contact support plate (23) on the fixed contact support plate (21), be arranged on the moving contact (24) on the moving contact support plate (23), be used for being pressed on making it that elastically-deformable Cenbrifugal shaft sleeve (25) occurs on the moving contact support plate (23), be used for promoting Cenbrifugal shaft sleeve (25) makes it along centrifugal (26) that main shaft (13) central axial direction moves; Described centrifugal (26) comprise be used to be set in pedestal (27) on the main shaft (13), be arranged on pedestal (27) upper and up and down symmetrically arranged two centrifugal impellers (28), be used to centrifugal impeller (28) provide reseting elasticity two screw thread springs (29);
Described pedestal (27) comprises be used to being set in the sleeve pipe (271) on the main shaft (13) and being positioned at the up and down limiting plate of two side ends (272) of sleeve pipe (271), the basic configuration of each limiting plate (272) is step or L shaped, and each limiting plate (272) is provided with a spacing hole (273);
Described Cenbrifugal shaft sleeve (25) comprises be used to the annular boss (252) that is set in axle sleeve body (251) on the main shaft (13), radially protrudes from axle sleeve body (251) and two positive stop lug boss (253) that are arranged on axle sleeve body (251) left and right sides end;
Each centrifugal impeller (28) comprises the substrate (281) that adjacent spindle (13) periphery wall arranges, from the location-plate (282) of substrate (281) near the side formation protruding upward of stator (11), be positioned at substrate (281) away from another side and the upwardly extending counterweight (283) of stator (11), protrude the stressed plate (284) that forms from substrate (281) left and right sides end to downward-extension, be arranged on two the hooking plates (285) on two stressed plates (284); Described location-plate (282) is arranged in the spacing hole (273) of described pedestal (27);
Each screw thread spring (29) is hooked on two the hooking plates (285) that are positioned at main shaft (13) the same side, and makes two stressed plates (284) its clamping on the positive stop lug boss (253) of Cenbrifugal shaft sleeve (25) away from the tension of an end of substrate (281); Each stressed plate (284) is positioned between the positive stop lug boss (253) of the annular boss (252) of Cenbrifugal shaft sleeve (25) and Cenbrifugal shaft sleeve (25) away from an end of substrate (281); The annular boss (252) of described Cenbrifugal shaft sleeve (25) is pressed on the moving contact support plate (23).
2. centrifugal switch according to claim 1, it is characterized in that: described positive stop lug boss (253) is triangle near the basic configuration of a side of stator (11); Described each stressed plate (284) end is provided be used to the arc board (2842) that is pressed on the pushing part (2841) on the moving contact support plate (23) and forms from the terminal protrusion of stressed plate (284), and each arc board (2842) is pressed on the leg-of-mutton corresponding one side of positive stop lug boss (253).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504959 CN202796726U (en) | 2012-09-29 | 2012-09-29 | Centrifugal switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220504959 CN202796726U (en) | 2012-09-29 | 2012-09-29 | Centrifugal switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796726U true CN202796726U (en) | 2013-03-13 |
Family
ID=47823933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220504959 Expired - Fee Related CN202796726U (en) | 2012-09-29 | 2012-09-29 | Centrifugal switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796726U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021980A (en) * | 2014-06-11 | 2014-09-03 | 彭州市丹景电力机车配件厂 | Multi-contact centrifugal switch |
| CN105790535A (en) * | 2016-03-16 | 2016-07-20 | 彭州市丹景电力机车配件厂 | Three-phase asynchronous generator |
-
2012
- 2012-09-29 CN CN 201220504959 patent/CN202796726U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021980A (en) * | 2014-06-11 | 2014-09-03 | 彭州市丹景电力机车配件厂 | Multi-contact centrifugal switch |
| CN104021980B (en) * | 2014-06-11 | 2016-01-20 | 彭州市丹景电力机车配件厂 | A kind of multiconductor centrifugal switch |
| CN105790535A (en) * | 2016-03-16 | 2016-07-20 | 彭州市丹景电力机车配件厂 | Three-phase asynchronous generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202796726U (en) | Centrifugal switch | |
| CN205141956U (en) | Permanent magnetism direct current motor for medical equipment | |
| CN202187895U (en) | Submersible pump control circuit and submersible pump with self-protection function | |
| CN202183652U (en) | Low wind resistance magnetic flux switching motor | |
| CN202997887U (en) | Electromagnetic brake type single-phase motor | |
| CN201479062U (en) | Magnetic levitation refrigeration compressor motor | |
| CN204391989U (en) | A kind of electrodeless variable resistance starting drive of motor | |
| CN102882319B (en) | Electromagnetic brake single-phase motor | |
| CN201407192Y (en) | Portable household direct-current brushless fan | |
| CN202616956U (en) | Compact wound rotor three-phase asynchronous motor for lifting and metallurgy | |
| CN203588927U (en) | A centrifugal switch of a single phase motor with bidirectional contacts | |
| CN208015559U (en) | A kind of monophase machine | |
| CN203674901U (en) | Single-phase alternating current motor | |
| CN102629794B (en) | Energy-saving high-efficiency mute claw-pole type micro synchronous motor | |
| CN202977299U (en) | Elastic component applied to automatic change-over switch | |
| CN202977207U (en) | Insulating fixation plate applied to automatic change-over switch | |
| CN101958672A (en) | Motor of magnetic suspension refrigeration compressor | |
| CN202977297U (en) | Elastic connecting mechanism applied to automatic change-over switch device | |
| CN202977300U (en) | Automatic conversion switch device | |
| CN212811401U (en) | Micro motor rotor and micro motor with same | |
| CN203859663U (en) | Brushless DC motor for running machine | |
| CN201044430Y (en) | Single-phase motor switch | |
| CN201928253U (en) | Non-contact electronic centrifugal switch | |
| CN106451853A (en) | Low-frequency mute efficient direct-current motor | |
| CN209692543U (en) | A kind of carbon brush component and motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20200929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |