CN204441225U - Stablize circuit breaker driver blade - Google Patents
Stablize circuit breaker driver blade Download PDFInfo
- Publication number
- CN204441225U CN204441225U CN201520140970.1U CN201520140970U CN204441225U CN 204441225 U CN204441225 U CN 204441225U CN 201520140970 U CN201520140970 U CN 201520140970U CN 204441225 U CN204441225 U CN 204441225U
- Authority
- CN
- China
- Prior art keywords
- curved surface
- steel ball
- transmission
- section curved
- circuit breaker
- 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
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Abstract
The utility model discloses stable circuit breaker driver blade, comprise a transmission curved surface, transmission curved surface comprises disconnection section curved surface successively, test section curved surface, linkage section curved surface, on circle section curved surface, and rotation hole, described rotation hole is provided with some cavitys including a circular open along rotation hole Central Symmetry, universal steel ball is provided with in described cavity, the partial denudation of described universal steel ball is outside in circular open, the radius of described universal steel ball is greater than described opening radius, have passed and original sliding friction is become rolling friction, reduce transmission loss, and reduce wear rate, add transmission efficiency of the present utility model and useful life.
Description
Technical field
The utility model relates to omnipotent breaker field, and more particularly, it relates to stable circuit breaker driver blade.
Background technology
Separation, test, connection three positions are had in intelligent type low-voltage universal circuit breaker drawer seat.Intelligent type low-voltage universal circuit breaker drawer seat driver plate curved surface is originally more even, shaking into larger in test position error when shaking out, breaker body slotting tool shake into during contact shake moment very large, on the one hand operating personnel are operated to take out to set up relatively more painstaking, the operation lifetime taking out frame also can be made to shorten on the other hand.
In order to address this problem, market disclosing a kind of application number is 201220568274.7 drive mechanisms disclosing a kind of universal circuit breaker drawer seat of a kind of utility model patent, as shown in figure, drive mechanism comprises a driver plate, driver plate is provided with a transmission curved surface, transmission curved surface comprises disconnection section curved surface successively, test section curved surface, linkage section curved surface, on circle section curved surface, disconnecting section curved surface is the first time mobile phase of corresponding described breaker body to drawout chassis movement, breaker body and drawout chassis are off state, test section curved surface is the first time idle periods of corresponding breaker body, described linkage section curved surface is the second time mobile phase of corresponding breaker body to drawout chassis movement, described breaker body and drawout chassis are the state of contacting, the circle section curved surface such as described is the second time idle periods of corresponding breaker body.
By the way, achieve and reach by the change of driving torque the effect that operating physical force alleviates like this, make transmission efficiency higher, shake into time operation more steady, safer.
But existence problem is set like this, at linkage section curved surface place described above due to now corresponding be the second time mobile phase of corresponding breaker body as drawout chassis movement, due to this stage, the slotting tool of circuit breaker contacts completely with contact, so its transmission process is comparatively required great effort, the rotating shaft that shaft hole due to this driver plate is in circuit breaker damages friction, so be very easy in transmission process occur wearing and tearing, affects the stationarity of transmission.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of driver blade that shaft hole can be prevented to be worn in rotation process.
For achieving the above object, the utility model provides following technical scheme: one stablizes circuit breaker driver blade, comprise a transmission curved surface, transmission curved surface comprise successively disconnect section curved surface, test section curved surface, linkage section curved surface, etc. circle section curved surface, and rotation hole, it is characterized in that: the cavity comprising a circular open, in described cavity, be provided with universal steel ball, the partial denudation of described universal steel ball is outside in circular open, and the radius of described universal steel ball is greater than described opening radius.
Interface and the cavity friction of shaft hole is replaced by universal steel ball, by sliding friction being changed into the mode of rolling friction, reduce the loss late damaging friction, and arrange like this, less to the sphere abrasion of universal steel ball, one adds transmission efficiency of the present utility model, and two add useful life of the present utility model by preventing wearing and tearing, also can keep the smoothness run after improve long-time use circuit breaker.
The utility model can be set to further: be provided with spring between described universal steel ball and cavity.
By the setting of spring, the tightness degree of its transmission can be ensured, improve the stationarity in transmission process.
The utility model can be set to further: be also provided with a pad between described spring and universal steel ball, and described pad one end is fixedly connected with spring, and the other end and the perfection of universal ball surfaces are fitted.By the setting of pad, reduce the friction of spring surface and universal steel ball, improve friction efficiency and gearing factor.
The utility model can be set to further: described cavity is at least set to four along described rotation hole Central Symmetry, and the spacing of arbitrary neighborhood two cavitys is identical.
Such setting, can ensure that the radial direction of countershaft and tangential both direction are fixed, and uniform force, ensure the tightness degree of transmission.
Compared to prior art, the utility model creates following beneficial effect: have passed and original sliding friction is become rolling friction, reduce transmission loss, and reduce wear rate, adds transmission efficiency of the present utility model and useful life.
Accompanying drawing explanation
Fig. 1 is circuit breaker driver blade of the prior art;
Fig. 2 is the utility model scheme of installation one;
Fig. 3 is the utility model scheme of installation two;
Fig. 4 is the utility model structural representation;
Fig. 5 is the utility model cutaway view;
Fig. 6 is A portion enlarged drawing in Fig. 5.
Reference numeral: 1, driver blade; 11, drive rail; 111, transmission curved surface; 1111, section curved surface is disconnected; 1112, test section curved surface; 1113, linkage section curved surface; 11131, rubber particles; 11132, high molecular abrasion-proof ceramic layer; 1114, the circle section curved surface such as; 11141, rubber layer; 112, back of the body curved surface is supported; 1121, the first reinforcement; 12, transmission support rail; 121, supporting surface is connected; 1211, alloy-layer; 1212, three tempered martensites; 122, transmission back of the body curved surface; 1221, the second reinforcement; 13, rotation hole; 131, universal steel ball; 132, cavity; 133, rubber blanket; 134, spring; 14, driving cog; 2, moving plate is with; 3, live roller.
Embodiment
Referring to figs. 1 through Fig. 6, the utility model embodiment is described further.
Composition graphs 1 to Fig. 3 analysis, circuit breaker driver blade 1 is stablized with reference to shown in Fig. 4 and Fig. 5, comprise drive rail 11 and a transmission support rail 12, drive rail 11 comprises a transmission curved surface 111, transmission curved surface 111 comprises disconnection section curved surface 1111 successively, test section curved surface 1112, linkage section curved surface 1113, on circle section curved surface 1114, and rotation hole 13, described rotation hole 13 is provided with some cavitys 132 including a circular open along rotation hole 13 Central Symmetry, universal steel ball 131 is provided with in described cavity 132, the partial denudation of described universal steel ball 131 is outside in circular open, the radius of described universal steel ball 131 is greater than described opening radius.
The interface of shaft hole and cavity 132 is replaced to rub by universal steel ball 131, by sliding friction being changed into the mode of rolling friction, reduce the loss late damaging friction, and arrange like this, less to the sphere abrasion of universal steel ball 131, one adds transmission efficiency of the present utility model, and two add useful life of the present utility model by preventing wearing and tearing, also can keep the smoothness run after improve long-time use circuit breaker.
Also comprise transmission curved surface 111 comprise successively disconnect section curved surface 1111, test section curved surface 1112, linkage section curved surface 1113, etc. circle section curved surface 1114, and at some driving cogs 14 of driver plate arranged outside, described linkage section curved surface 1113 surface is provided with macromolecule high molecular abrasion-proof ceramic layer 11132, and described high molecular abrasion-proof ceramic layer 11132 surface is provided with some evenly distributed rubber particles 11131.By the setting of some rubber particles 11131, add the frictional force of its contact-making surface, thus increase the transmission efficiency of contact-making surface, ensure that circuit breaker second time mobile phase can reduce useless transmission slip consumption, add the transmission efficiency under same stroke, because some rubber particles 11131 are equally distributed, so the stationarity of transmission can not be influenced, on the contrary due to the effect of the elastic force of rubber particles 11131, rubber particles 11131 is preferably silica gel material, make live roller 3 in the process of rolling, fit with its upper surface perfection all the time in surface, add the stationarity of transmission on the contrary.
Spring 134 is provided with between described universal steel ball 131 and cavity 132.By the setting of spring 134, the tightness degree of its transmission can be ensured, improve the stationarity in transmission process.Also be provided with a pad between described spring 134 and universal steel ball 131, described pad one end is fixedly connected with spring 134, and the other end and the perfection of universal steel ball 131 surface are fitted.By the setting of pad, reduce spring 134 surface and the friction of universal steel ball 131, improve friction efficiency and gearing factor.Described cavity 132 quantity is at least set to four, and the spacing of arbitrary neighborhood two cavitys 132 is identical.Such setting, can ensure that the radial direction of countershaft and tangential both direction are fixed, and uniform force, ensure the tightness degree of transmission.
The circle section curved surface 1114 such as described is provided with rubber layer 11141.Due to etc. circle section curved surface 1114 are circuit breaker second time idle periods, what play Deng circle section curved surface 1114 is a spacing effect, be very easy to cause larger impact at this curved surface, thus cause total stability and accuracy to impact, the setting of this rubber layer 11141, one, owing to considerably increasing the frictional force on surface, so ensure that live roller 3 can not roll very easily at second time idle periods, the fail safe reducing the second idle periods of some unexpected factors impacts, two, the elastic reaction of rubber layer 11141 produces a flexible damping force when can ensure that it is collided, the phenomenon making the utility model that driver blade 1 can not occur when dangerous operation to crumble.
Described rubber particles 11131 shape is semicircle.Rubber particles 11131 is set to semicircle, stability and the fail safe of transmission can be ensured.Described rubber particles 11131 radius is less than 5 millimeters, and the distance of adjacent two rubber particles 11131 is less than 3 centimetres.Rubber particles 11131 quantity is set like this and is at least 50, further reduce the loss of transmission efficiency.
Described connection supporting surface 121 is disposed with alloy-layer 1211 and three tempered martensite layers 1212 from outside to inside.Supporting surface 121 stressed is connected because setting of the present utility model adds, so the inner core connecting supporting surface 121 is set to three tempered martensite layers 1212, unaffected when can ensure its normal transmission.Described drive rail 11 comprises a transmission curved surface 111 and the transmission back of the body curved surface 122, described transmission support rail 12 and comprises the support curved surface corresponding with transmission curved surface 111 and support and carry on the back curved surface 112, described transmission curved surface 111 comprise successively disconnect section curved surface 1111, test section curved surface 1112, linkage section curved surface 1113, etc. circle section curved surface 1114, described support curved surface is provided with linkage section curved surface 1113 relative position and is connected supporting surface 121, it is characterized in that: described support back of the body curved surface 112 is provided with the first reinforcement 1121.
By the setting of reinforcement, ensure that the stability of internal stress of the present utility model, when live roller 3 from first time mobile phase to first time idle periods transition and from first time, idle periods is to first time mobile phase transition time, the relative position face of its transmission support guide rail will be subject to larger stress, this stress to the setting on the first reinforcement 1121, ensure that corresponding supporting surface can not be excessive and bending because of stress by transmission support railway effect.Described transmission back of the body curved surface 122 is provided with the second reinforcement 1221.By the setting of the second reinforcement 1221, further increase its transmission stability.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. a stable circuit breaker driver blade, comprise a transmission curved surface, transmission curved surface comprise successively disconnect section curved surface, test section curved surface, linkage section curved surface, etc. circle section curved surface, and rotation hole, it is characterized in that: the cavity comprising a circular open, be provided with universal steel ball in described cavity, the partial denudation of described universal steel ball is outside in circular open, and the radius of described universal steel ball is greater than described opening radius.
2. stable circuit breaker driver blade according to claim 1, is characterized in that: be provided with spring between described universal steel ball and cavity.
3. stable circuit breaker driver blade according to claim 2, is characterized in that: be also provided with a pad between described spring and universal steel ball, and described pad one end is fixedly connected with spring, and the other end and universal ball surfaces are fitted.
4. the stable circuit breaker driver blade according to claim 1 or 2 or 3, is characterized in that: described cavity is at least set to four along described rotation hole Central Symmetry, and the spacing of arbitrary neighborhood two cavitys is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140970.1U CN204441225U (en) | 2015-03-12 | 2015-03-12 | Stablize circuit breaker driver blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140970.1U CN204441225U (en) | 2015-03-12 | 2015-03-12 | Stablize circuit breaker driver blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204441225U true CN204441225U (en) | 2015-07-01 |
Family
ID=53609059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520140970.1U Expired - Fee Related CN204441225U (en) | 2015-03-12 | 2015-03-12 | Stablize circuit breaker driver blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204441225U (en) |
-
2015
- 2015-03-12 CN CN201520140970.1U patent/CN204441225U/en not_active Expired - Fee Related
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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: 20150701 Termination date: 20170312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |