CN204441220U - A kind of breaker of plastic casing - Google Patents
A kind of breaker of plastic casing Download PDFInfo
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- CN204441220U CN204441220U CN201520124006.XU CN201520124006U CN204441220U CN 204441220 U CN204441220 U CN 204441220U CN 201520124006 U CN201520124006 U CN 201520124006U CN 204441220 U CN204441220 U CN 204441220U
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- travelling gear
- slide block
- breaker
- position limiting
- limiting slide
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Abstract
A kind of breaker of plastic casing.Mainly solve current operation breaker of plastic casing and be not provided with unidirectional limit assembly on manual-operating mechanism, can rotate at drive motor axle when hand-operated rotating shaft reversion like this, affect the problem of electrical machinery life.It is characterized in that: described manual-operating mechanism (32) comprises rotating shaft (321), be provided with rotating shaft (321) installing hole and the mounting bracket (322) being installed on middle cover (2) inwall, the second travelling gear (333) that described manual-operating mechanism (32) is carried out unidirectional the second spacing unidirectional limit assembly and engaged with described first travelling gear (312), described second travelling gear (333) be set in described rotating shaft (321) upper and with its synchronous axial system.The utility model provides a kind of breaker of plastic casing, its manual-operating mechanism carries out unidirectional the second spacing unidirectional limit assembly to described manual-operating mechanism, prevents rotating shaft from reversing, protect motor shaft, extends motor useful life.
Description
Technical field
The utility model relates to a kind of breaker of plastic casing, belongs to Low Voltage Electrical Apparatus.
Background technology
Circuit breaker is a kind of for distributing electric energy, power circuit and motor etc. being carried out to the contact maker of real-time guard; it can according to normal, the overload of circuit, short circuit and the state such as under-voltage; in time carry, close and cut-off the electric current in normal loop, thus ensure that the safety of producing is carried out.
Breaker of plastic casing is as the one in circuit breaker, and it is using plastic insulation as the shell of device, and after actual current exceedes escape set point, automatically can cut off electric current equally.In practical work process, circuit board on breaker of plastic casing is provided with sensitive switch, current operation breaker of plastic casing mode generally comprises motor-operating mechanism and manual-operating mechanism, the motor of its motor-operating mechanism is equipped with unidirectional limit assembly, (if the patent No. is " 201320632534.7 ", patent name is the patent of " circuit-breaker switching on-off operating means "), but but unidirectional limit assembly is not provided with on manual-operating mechanism, can rotate at drive motor axle when hand-operated rotating shaft reversion like this, affect electrical machinery life.
Utility model content
In order to overcome the deficiency of background technology, the utility model provides a kind of breaker of plastic casing, mainly solve current operation breaker of plastic casing and be not provided with unidirectional limit assembly on manual-operating mechanism, can rotate at drive motor axle when hand-operated rotating shaft reversion like this, affect the problem of electrical machinery life.
The technical scheme that the utility model adopts is:
A kind of breaker of plastic casing, comprise upper cover, middle cover and base, cover during described upper cover is arranged on, described middle cover is arranged on base, opening/closing operation mechanism and handle is provided with between described middle cover and upper cover, described opening/closing operation mechanism comprises motor-operating mechanism and manual-operating mechanism, described motor-operating mechanism comprises motor shaft and the first travelling gear, described first travelling gear be set in state on motor shaft and with described motor shaft synchronous axial system, described first travelling gear is linked by connecting rod and described handle, described manual-operating mechanism comprises rotating shaft, be provided with rotating shaft installing hole and be installed on the mounting bracket of middle cover inwall, to the second travelling gear that described manual-operating mechanism carries out unidirectional the second spacing unidirectional limit assembly and engages with described first travelling gear, described second travelling gear to be set in described rotating shaft and with its synchronous axial system.
Described second unidirectional limit assembly comprises the mount pad for installing described second position limiting slide block that the second stage clip, the second ratchet, the second position limiting slide block and described middle cover inwall are provided with, described second ratchet sleeve to be located in described rotating shaft and with its synchronous axial system, described second stage clip is located between described mount pad inwall and the second position limiting slide block, described second position limiting slide block one end compresses with described second stage clip and coordinates, and the other end coordinates with described second ratchet click.
Also comprise and unidirectional the first spacing unidirectional limit assembly is carried out to described first travelling gear, described first unidirectional limit assembly comprises the first stage clip, the first position limiting slide block, the first ratchet and the fixed head for installing the first position limiting slide block, described fixed head to be set on described motor shaft and to be arranged on described first travelling gear, described first stage clip is located between described fixed head inwall and described first position limiting slide block, described first position limiting slide block one end compresses with described first stage clip and coordinates, and the other end coordinates with described first ratchet click; Described first ratchet sleeve to be located on described motor shaft and together to rotate with motor shaft.
Described mounting bracket is connected by screw bottom described middle cover.
Described fixed head is connected with cover plate, and described fixed head is provided with the first gathering sill, and described first position limiting slide block and described first gathering sill are slidably matched.
Described mount pad is provided with the second gathering sill and ratchet holding tank, and the second position limiting slide block and described second gathering sill are slidably matched, and described mounting bracket comprises the first mounting bracket and the second mounting bracket, and the second mounting bracket lid is pressed on described mount pad.
Described cover plate is linked by connecting rod and described handle.
The beneficial effects of the utility model are: the utility model provides a kind of breaker of plastic casing; its manual-operating mechanism carries out unidirectional the second spacing unidirectional limit assembly to described manual-operating mechanism; prevent rotating shaft from reversing, protect motor shaft, extend motor useful life.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the utility model embodiment.
Fig. 2 is the manual-operating mechanism of the utility model embodiment and the schematic perspective view of motor-operating mechanism.
Fig. 3 is the explosive view of the motor-operating mechanism of the utility model embodiment.
Fig. 4 is Fig. 3 A place enlarged drawing.
Fig. 5 is the partial sectional view of the utility model embodiment.
Fig. 6 is Fig. 5 B place enlarged drawing of the utility model embodiment.
Fig. 7 is the schematic perspective view of the manual-operating mechanism of the utility model embodiment.
Fig. 8 is the partial schematic diagram of the mount pad of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail: as shown in the figure, a kind of breaker of plastic casing, comprise upper cover 1, middle cover 2 and base 3, described upper cover 1 is arranged on middle cover 2, described middle cover 2 is installed on the base 3, opening/closing operation mechanism and handle 5 is provided with between described middle cover 2 and upper cover 1, described opening/closing operation mechanism comprises motor-operating mechanism 31 and manual-operating mechanism 32, described motor-operating mechanism 31 comprises motor shaft 311 and the first travelling gear 312, described first travelling gear 312 be set in state on motor shaft 311 and with described motor shaft 311 synchronous axial system, described first travelling gear 312 is linked by connecting rod 11 and described handle 5, described manual-operating mechanism 32 comprises rotating shaft 321, be provided with rotating shaft 321 installing hole and be installed on the mounting bracket 322 of middle cover 2 inwall, to the second travelling gear 333 that described manual-operating mechanism 32 carries out unidirectional the second spacing unidirectional limit assembly and engages with described first travelling gear 312, described second travelling gear 333 to be set in described rotating shaft 321 and with its synchronous axial system.The utility model provides a kind of breaker of plastic casing, its manual-operating mechanism carries out unidirectional the second spacing unidirectional limit assembly to described manual-operating mechanism, prevents rotating shaft from reversing, protect motor shaft, extends motor useful life.
Described second unidirectional limit assembly comprises the mount pad 77 for installing described second position limiting slide block 72 that the second stage clip 71, second ratchet 73, second position limiting slide block 72 and described middle cover 2 inwall are provided with, described second ratchet 73 to be set in described rotating shaft 321 and with its synchronous axial system, described second stage clip 71 is located between described mount pad 77 inwall and the second position limiting slide block 72, described second position limiting slide block 72 one end compresses with described second stage clip 71 and coordinates, and the other end coordinates with described second ratchet 73 click.Second position limiting slide block pushes up the surface being pressed in described second ratchet under the effect of the second stage clip, second ratchet is carried out unidirectional spacing, when the second travelling gear rotating forward (position is clockwise in the present embodiment) rotates time, second ratchet can rotate, and then drive the first travelling gear by the second travelling gear engaged with the first travelling gear, time when the second travelling gear reversion, (position is counterclockwise in the present embodiment) rotates, because the ratchet on the end of the second slip fixture block and the second ratchet blocks, rotating shaft cannot be reversed, such first travelling gear also cannot rotate accordingly, protect motor shaft, extend motor useful life.The utility model provides a kind of breaker of plastic casing; the second travelling gear that the rotating shaft of its manual-operating mechanism is provided with the second ratchet and engages with the first travelling gear on motor; carrying out countershaft by the second position limiting slide block coordinated with the second ratchet click carries out unidirectional spacing; protect motor shaft, extend motor useful life.
In the utility model, as shown in the figure, also comprise described first travelling gear 312 and carry out unidirectional the first spacing unidirectional limit assembly, described first unidirectional limit assembly comprises the first stage clip 61, first position limiting slide block 62, first ratchet 64 and the fixed head 63 for installing the first position limiting slide block 62, described fixed head 63 to be set on described motor shaft 311 and to be arranged on described first travelling gear 312, described first stage clip 61 is located between described fixed head 63 inwall and described first position limiting slide block 62, described first position limiting slide block 62 one end compresses with described first stage clip 61 and coordinates, the other end coordinates with described first ratchet 64 click, described first ratchet 64 to be set on described motor shaft 311 and together to rotate with motor shaft 311.First slide block pushes up the surface being pressed in described first ratchet under the effect of the first stage clip, first ratchet is carried out unidirectional spacing, when the first travelling gear rotating forward (position is counterclockwise in the present embodiment) rotates time, first ratchet can rotate, time when the second travelling gear reversion, (position is clockwise in the present embodiment) rotates, because the ratchet on the end of the first spacing fixture block and the first ratchet blocks, motor shaft cannot be reversed.Structure is simple, easy to assembly and cost is lower.
In the utility model, as shown in the figure, described mounting bracket 322 is connected by screw bottom described middle cover 2.Installed by screw, easy to assembly, also can adopt the mounting means such as snapping, clamping herein, screw is installed as preferred version.
In the utility model, as shown in the figure, described fixed head 63 is connected with cover plate 65, described fixed head 63 is provided with the first gathering sill 631, and described first position limiting slide block 62 is slidably matched with described first gathering sill 631.First position limiting slide block slides in the first gathering sill, runs more steady, and gathering sill is towards the edge of the first ratchet, and more stable time cover plate makes installation, can not deviate from, result of use is good.
In the utility model, as shown in the figure, described mount pad 77 is provided with the second gathering sill 78 and ratchet holding tank 79, second position limiting slide block 72 is slidably matched with described second gathering sill 78, described mounting bracket 322 comprises the first mounting bracket 3221 and the second mounting bracket 3222, second mounting bracket 3222 lid is pressed on described mount pad 77.Second position limiting slide block slides in the second gathering sill, and upper end is provided with the second mounting bracket, and run more steady, ratchet holding tank is for placing ratchet, and compact conformation result of use is good.
In the utility model, as shown in the figure, described cover plate 65 is linked by connecting rod 11 and described handle 5.Linked to replace the first travelling gear to be linked by connecting rod and handle by connecting rod and handle by cover plate, on the one hand, assemble more convenient, on the other hand, keep in repair more convenient, result of use is better.
Embodiment should not be considered as restriction of the present utility model, but any improvement done based on spirit of the present utility model, all should within protection range of the present utility model.
Claims (7)
1. a breaker of plastic casing, comprise upper cover (1), middle cover (2) and base (3), described upper cover (1) is arranged on middle cover (2), described middle cover (2) is arranged on base (3), opening/closing operation mechanism and handle (5) is provided with between described middle cover (2) and upper cover (1), described opening/closing operation mechanism comprises motor-operating mechanism (31) and manual-operating mechanism (32), described motor-operating mechanism (31) comprises motor shaft (311) and the first travelling gear (312), described first travelling gear (312) be set in state motor shaft (311) upper and with described motor shaft (311) synchronous axial system, described first travelling gear (312) is linked by connecting rod (11) and described handle (5), it is characterized in that: described manual-operating mechanism (32) comprises rotating shaft (321), be provided with rotating shaft (321) installing hole and be installed on the mounting bracket (322) of middle cover (2) inwall, to the second travelling gear (333) that described manual-operating mechanism (32) carries out unidirectional the second spacing unidirectional limit assembly and engages with described first travelling gear (312), described second travelling gear (333) be set in described rotating shaft (321) upper and with its synchronous axial system.
2. a kind of breaker of plastic casing according to claim 1, it is characterized in that: described second unidirectional limit assembly comprises the second stage clip (71), second ratchet (73), the mount pad (77) for installing described second position limiting slide block (72) that second position limiting slide block (72) and described middle cover (2) inwall are provided with, described second ratchet (73) be set in described rotating shaft (321) upper and with its synchronous axial system, described second stage clip (71) is located between described mount pad (77) inwall and the second position limiting slide block (72), described second position limiting slide block (72) one end compresses with described second stage clip (71) and coordinates, the other end coordinates with described second ratchet (73) click.
3. a kind of breaker of plastic casing according to claim 2, it is characterized in that: also comprise and unidirectional the first spacing unidirectional limit assembly is carried out to described first travelling gear (312), described first unidirectional limit assembly comprises the first stage clip (61), first position limiting slide block (62), first ratchet (64) and the fixed head (63) for installing the first position limiting slide block (62), described fixed head (63) is set in described motor shaft (311) and goes up and be arranged on described first travelling gear (312), described first stage clip (61) is located between described fixed head (63) inwall and described first position limiting slide block (62), described first position limiting slide block (62) one end compresses with described first stage clip (61) and coordinates, the other end coordinates with described first ratchet (64) click, described first ratchet (64) is set in described motor shaft (311) and goes up and together rotate with motor shaft (311).
4. a kind of breaker of plastic casing according to claim 1, is characterized in that: described mounting bracket (322) is connected by screw in described middle cover (2) bottom.
5. a kind of breaker of plastic casing according to claim 3, it is characterized in that: described fixed head (63) is connected with cover plate (65), described fixed head (63) is provided with the first gathering sill (631), and described first position limiting slide block (62) and described first gathering sill (631) are slidably matched.
6. a kind of breaker of plastic casing according to claim 3, it is characterized in that: described mount pad (77) is provided with the second gathering sill (78) and ratchet holding tank (79), second position limiting slide block (72) and described second gathering sill (78) are slidably matched, described mounting bracket (322) comprises the first mounting bracket (3221) and the second mounting bracket (3222), and the second mounting bracket (3222) lid is pressed on described mount pad (77).
7. a kind of breaker of plastic casing according to claim 5, is characterized in that: described cover plate (65) is linked by connecting rod (11) and described handle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520124006.XU CN204441220U (en) | 2015-03-04 | 2015-03-04 | A kind of breaker of plastic casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520124006.XU CN204441220U (en) | 2015-03-04 | 2015-03-04 | A kind of breaker of plastic casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204441220U true CN204441220U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520124006.XU Active CN204441220U (en) | 2015-03-04 | 2015-03-04 | A kind of breaker of plastic casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204441220U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795285A (en) * | 2015-03-04 | 2015-07-22 | 浙江天正电气股份有限公司 | Plastic-shell breaker |
| CN105140062A (en) * | 2015-08-03 | 2015-12-09 | 江苏创能电器有限公司 | Protection apparatus with automatic reclosing function |
-
2015
- 2015-03-04 CN CN201520124006.XU patent/CN204441220U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795285A (en) * | 2015-03-04 | 2015-07-22 | 浙江天正电气股份有限公司 | Plastic-shell breaker |
| CN105140062A (en) * | 2015-08-03 | 2015-12-09 | 江苏创能电器有限公司 | Protection apparatus with automatic reclosing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |