CN201638700U - Braking mechanism used in volute spring operation device - Google Patents
Braking mechanism used in volute spring operation device Download PDFInfo
- Publication number
- CN201638700U CN201638700U CN2009203518322U CN200920351832U CN201638700U CN 201638700 U CN201638700 U CN 201638700U CN 2009203518322 U CN2009203518322 U CN 2009203518322U CN 200920351832 U CN200920351832 U CN 200920351832U CN 201638700 U CN201638700 U CN 201638700U
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- hole
- sincere
- output board
- operation device
- braking
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Abstract
The utility model discloses a braking mechanism used in a volute spring operation device, which comprises an output plate, two braking pawls and a supporting spring for providing reset elasticity to the braking pawls, wherein the output plate comprises a body; a shaft hole, a baffle plate, two arranging holes for arranging the braking pawls and two limit holes for limiting the rotating angle of the braking pawls are arranged on the body; each limit hole is arranged above the corresponding arranging hole; the two braking pawls are symmetrically arranged on two sides of the shaft hole; two forward convex cylinders are arranged at the front side end of each braking pawl; one cylinder at the upper side as a limit post is arranged the corresponding limit hole on the output plate, and one cylinder at the lower side as an arranging post is arranged in one arranging hole of the output plate; and two ends of the supporting spring are in a V shape, and are respectively butted on the limit posts of the two braking pawls. The utility model has the advantages of simplified structure, less parts and good reliability and stability.
Description
Technical field
The utility model belongs to High-Voltage Electrical Appliances structure-design technique field, is specifically related to a kind of brake mechanism that is used for coil spring-type operation device.
Background technology
Its spring powder operation device of traditional on-load switch generally all adopts spiral stretching spring or compression spring.But, adopt helical spring to have following defective inevitably as energy storage device: the first, volume is excessive.The second, be difficult to accomplish bidirectional energy-storage, therefore also just be difficult to finish branch, closing function with a spring.The 3rd, complex structure, amount of parts is too much, and mechanism reliability is poor.
Patent document CN2423648Y discloses a kind of plane scroll spring energy storage and relieving mechanism, its whole device is made up of a Room and two Room that three bent plates constitute, one indoorly has four rollers, two indoorly have plane scroll spring, drive plate and a baffle plate, the inner of spring is fixed on the baffle plate, drive block occupy a Room and centre position, two Room, and two keep sincere son to be installed on the drive block.This patent documentation is described all places that stops and the discharge relation between sincere son and the roller in detail in specification and accompanying drawing.Its shortcoming is: first does not have fully to disclose structure, shape and the position relation thereof between output board, drive plate, baffle plate and the scroll spring; Second from its accompanying drawing as can be seen described output board and the shape of baffle plate, its structure is comparatively complicated, still exists to remain improvements.
The utility model content
The purpose of this utility model provides the brake mechanism that a kind of structure is comparatively simplified, reliability and stability are used for coil spring-type operation device preferably.
The technical scheme that realizes the utility model purpose is: a kind of brake mechanism that is used for coil spring-type operation device comprises that output board, two sincere sons of braking and one are used to described sincere son that the support spring of reseting elasticity is provided; Described output board comprises plate-like body, and described body is provided with axis hole, baffle plate, two installing hole and two spacing holes that are used for spacing described sincere sub-rotational angle that are used to install described sincere son; Described each spacing hole be arranged on a corresponding installing hole directly over; Described two sincere sons are symmetricly set on the both sides of described axis hole, the front side end of described each sincere son is provided with two cylinders that protrude forward, above a cylinder be arranged on the output board in the corresponding spacing hole as limited post, a following cylinder is arranged in the installing hole of output board as erection column; The two ends of described support spring form the V font, and the two ends of described support spring are against respectively on the limited post of two sincere sons.
In the such scheme, the basic configuration of the spacing hole on the described output board is an arc-shaped hole; The top end face of described each sincere son is the curved surface of arc shaped.
In the such scheme, the center of circle of described spacing hole circular arc line of living in is the center of circle of an installing hole of its below.
In the such scheme, described axis hole is arranged on described body middle part, and described baffle plate is the flange that is fixedly installed on the body top and protrudes forward.
The utlity model has positive effect: in (1) the utility model, described output board comprises plate-like body, and described body is provided with axis hole, baffle plate, two installing hole and two spacing holes that are used for spacing described sincere sub-rotational angle that are used to install described sincere son; Described each spacing hole be arranged on a corresponding installing hole directly over; Described two sincere sons are symmetricly set on the both sides of described axis hole, the front side end of described each sincere son is provided with two cylinders that protrude forward, above a cylinder be arranged on the output board in the corresponding spacing hole as limited post, a following cylinder is arranged in the installing hole of output board as erection column; The two ends of described support spring form the V font, and the two ends of described support spring are against respectively on the limited post of two sincere sons.The utility model is not when using, described support spring two sincere sons towards mutually away from direction push open, be against until each limited post on the outside end wall of corresponding spacing hole, if this moment, output board drove sincere son rotation, then the top end face of a sincere son will be against on the roller, thereby makes described sincere son and output board all be braked; If this sincere son is stirred towards the direction near another sincere son by external group of plate, after also promptly rotating a low-angle, because described spacing hole is an arc-shaped hole, the top end face of this sincere son will move down slightly, thereby make this roller can not prop up this sincere son again, thereby make described output board to rotate with complete operation under external force.The utility model structure is comparatively simplified, reliability and stability are better.
Description of drawings
Fig. 1 is a kind of perspective view of the present utility model;
Fig. 2 is a kind of explosive view of brake mechanism shown in Figure 1;
Fig. 3 is a kind of front view of output board in the brake mechanism shown in Figure 1.
Be labeled as shown in the accompanying drawing: output board 1, brake sincere sub 2, support spring 3, plate-like body 11, axis hole 12, baffle plate 13, installing hole 14, spacing hole 15, limited post 21), erection column 22).
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 explosive view of brake mechanism shown in Figure 1; Fig. 3 is a kind of front view of output board in the brake mechanism shown in Figure 1.
Present embodiment is a kind of brake mechanism that is used for coil spring-type operation device, comprises that sincere sub 2 and one of output board 1, two brakings are used to described sincere sub 2 support springs 3 that reseting elasticity is provided;
It is characterized in that: described output board 1 comprises plate-like body 11, described body 11 be provided with axis hole 12, baffle plate 13, two be used to install described sincere sub 2 installing hole 14 and two spacing holes 15 that are used for spacing described sincere sub 2 rotational angles; Described each spacing hole 15 be arranged on a corresponding installing hole 14 directly over;
Described two sincere sub 2 both sides that are symmetricly set on described axis hole 12, described each sincere front side end of sub 2 is provided with two cylinders that protrude forward, above a cylinder be arranged on the output board 1 in the corresponding spacing hole 15 as limited post 21, a following cylinder is arranged in the installing hole 14 of output board 1 as erection column 22; The two ends of described support spring 3 form the V font, and the two ends of described support spring 3 are against respectively on two sincere limited posts of sub 2 21.Described axis hole 12 is arranged on described body 11 middle parts, and described baffle plate 13 is the flanges that are fixedly installed on body 11 tops and protrude forward.
The basic configuration of the spacing hole 15 on the described output board 1 is arc-shaped holes; The center of circle of described spacing hole 15 circular arc lines of living in is centers of circle of an installing hole 14 of its below.
Described each top end face of sincere sub 2 is the curved surface of arc shaped.
This is not when using, described support spring two sincere sons towards mutually away from direction push open, be against until each limited post on the outside end wall of corresponding spacing hole, if this moment, output board drove sincere son rotation, then the top end face of a sincere son will be against on the roller, thereby makes described sincere son and output board all be braked; If this sincere son is stirred towards the direction near another sincere son by external group of plate, after also promptly rotating a low-angle, because described spacing hole is an arc-shaped hole, the top end face of this sincere son will move down slightly, thereby make this roller can not prop up this sincere son again, thereby make described output board to rotate with complete operation under external force.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification 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 exhaustive to all execution modes.And these belong to conspicuous 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 (4)
1. a brake mechanism that is used for coil spring-type operation device comprises output board (1), two braking sincere sons (2) and a support spring (3) that is used to described sincere son (2) that reseting elasticity is provided;
It is characterized in that: described output board (1) comprises plate-like body (11), and described body (11) is provided with axis hole (12), baffle plate (13), two installing hole (14) and two spacing holes (15) that are used for spacing described sincere son (2) rotational angle that are used to install described sincere son (2); Described each spacing hole (15) be arranged on a corresponding installing hole (14) directly over;
Described two sincere sons (2) are symmetricly set on the both sides of described axis hole (12), the front side end of described each sincere son (2) is provided with two cylinders that protrude forward, a top cylinder is arranged on output board (1) as limited post (21) and goes up in the corresponding spacing hole (15), and a following cylinder is arranged in the installing hole (14) of output board (1) as erection column (22);
The two ends of described support spring (3) form the V font, and the two ends of described support spring (3) are against respectively on the limited post (21) of two sincere sons (2).
2. the brake mechanism that is used for coil spring-type operation device according to claim 1 is characterized in that: the basic configuration of the spacing hole (15) on the described output board (1) is an arc-shaped hole; The top end face of described each sincere son (2) is the curved surface of arc shaped.
3. the brake mechanism that is used for coil spring-type operation device according to claim 2 is characterized in that: the center of circle of described spacing hole (15) circular arc line of living in is the center of circle of an installing hole (14) of its below.
4. the brake mechanism that is used for coil spring-type operation device according to claim 3 is characterized in that: described axis hole (12) is arranged on described body (11) middle part, and described baffle plate (13) is the flange that is fixedly installed on body (11) top and protrudes forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203518322U CN201638700U (en) | 2009-12-24 | 2009-12-24 | Braking mechanism used in volute spring operation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203518322U CN201638700U (en) | 2009-12-24 | 2009-12-24 | Braking mechanism used in volute spring operation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201638700U true CN201638700U (en) | 2010-11-17 |
Family
ID=43083205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203518322U Expired - Lifetime CN201638700U (en) | 2009-12-24 | 2009-12-24 | Braking mechanism used in volute spring operation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201638700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777442B (en) * | 2009-12-24 | 2012-01-11 | 黄勤飞 | Brake mechanism for coil spring-type operation device |
-
2009
- 2009-12-24 CN CN2009203518322U patent/CN201638700U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777442B (en) * | 2009-12-24 | 2012-01-11 | 黄勤飞 | Brake mechanism for coil spring-type operation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101117 Effective date of abandoning: 20091224 |