CN213366503U - Transmission mechanism and molded case circuit breaker - Google Patents
Transmission mechanism and molded case circuit breaker Download PDFInfo
- Publication number
- CN213366503U CN213366503U CN202022411633.5U CN202022411633U CN213366503U CN 213366503 U CN213366503 U CN 213366503U CN 202022411633 U CN202022411633 U CN 202022411633U CN 213366503 U CN213366503 U CN 213366503U
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- connecting rod
- shaft
- bent plate
- transmission mechanism
- lever
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Abstract
The utility model relates to a drive mechanism and moulded case circuit breaker, drive mechanism includes electric operating mechanism, sets up the bent plate on electric operating mechanism's gear and is used for connecting the connecting rod of lever support and bent plate, be equipped with insulating mechanism between connecting rod and the bent plate. The insulation between the bent plate and the connecting rod is realized by utilizing the insulation mechanism, and the insulation problem between the lever bracket and the bent plate is solved.
Description
Technical Field
The utility model belongs to the technical field of low-voltage apparatus, concretely relates to drive mechanism and moulded case circuit breaker.
Background
Reclosing mechanism is one of the important part of reclosing function circuit breaker, and the connected mode direct relation between reclosing mechanism and the operating device is the action characteristic of circuit breaker main unit, the mode of rigid connection is adopted mostly to the reclosing circuit breaker firm of mainstream on the market, the connecting rod of reclosing mechanism and operating device's lever directly cup joints or rivets promptly, and this kind of connected mode is the direct contact of metalwork, thereby can appear electric hidden danger, in order to eliminate this electric hidden danger, need carry out insulating treatment to heavily closing between mechanism and the body, and the insulating problem between reclosing mechanism and the body is handled through the bakelite handle to the present adoption more.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a drive mechanism and moulded case circuit breaker.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a transmission mechanism comprises an electric operating mechanism, a bent plate arranged on a gear of the electric operating mechanism, and a connecting rod used for connecting a lever bracket and the bent plate, wherein an insulating mechanism is arranged between the connecting rod and the bent plate.
The connecting rod is connected with the bent plate through a shaft, the connecting rod is provided with a hole matched with the shaft, and the insulating mechanism is arranged between the outer wall of the shaft and the hole wall.
The insulating mechanism comprises a T-shaped sleeve and a gasket.
The T-shaped sleeve is sleeved on the shaft, the connecting rod is sleeved on the T-shaped sleeve, the gasket is placed on the surface of the connecting rod and limited by the shaft, and the tail end of the shaft is provided with a locking mechanism.
The upper end of the lever bracket is provided with a lever shaft, and one end of the connecting rod is in linkage fit with the lever shaft.
The top end of the lever shaft is of a step-shaped structure.
The connecting rod is Z-shaped, and one end of the connecting rod, which is matched with the lever shaft, is provided with a waist round hole.
The plane of one end of the connecting rod, which is matched with the lever bracket, is lower than the plane of one end of the connecting rod, which is matched with the bent plate.
The molded case circuit breaker with the transmission mechanism comprises a shell, wherein a molded case circuit breaker body is arranged in the shell, and the transmission mechanism is arranged in the shell.
The shell comprises a bottom shell, a middle cover and an upper cover, wherein the middle cover is provided with a track groove through which a lever shaft of the lever bracket can pass.
The utility model has the advantages that: the insulation between the bent plate and the connecting rod is realized by utilizing the insulation mechanism, and the insulation problem between the lever bracket and the bent plate is solved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the transmission mechanism.
Fig. 3 is a schematic sectional view at the shaft of the transmission mechanism.
Fig. 4 is a schematic structural view of the connecting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in the figure, the transmission mechanism comprises an electric operating mechanism and a connecting rod, wherein the electric operating mechanism is arranged on the electric operating mechanism, the electric operating mechanism comprises an intermediate gear 1, a bent plate 2 and a connecting rod 3, the intermediate gear 1 is meshed with a main gear, the main gear is in linkage with a motor, the bent plate 2 is arranged on the intermediate gear 1, the connecting rod is used for connecting a lever bracket and the bent plate, and an insulating mechanism is arranged between the connecting rod and the bent plate.
The bent plate is directly fixed on the intermediate gear through screws, rotates along with the rotation of the intermediate gear and drives the connecting rod to act.
The connecting rod is connected with the bent plate through a shaft, the connecting rod is provided with a hole matched with the shaft, and the insulating mechanism is arranged between the outer wall of the shaft and the hole wall.
The insulation mechanism comprises a T-shaped sleeve 8 and a gasket 9, wherein the T-shaped sleeve and the gasket are made of insulation materials such as plastics.
Bent plate 2 is equipped with axle 11 with 3 complex one ends of connecting rod, 8 covers of T type sleeve pipe are established on the axle 11, the connecting rod cover is established outside the T type sleeve pipe, just gasket 9 is placed the surface of connecting rod just by axle 11 is spacing, the end of axle is equipped with locking mechanism 10, utilizes the design of T type sleeve pipe and gasket promptly, with keeping apart completely between connecting rod and the bent plate, realizes insulating, utilizes locking mechanism to lock simultaneously, guarantees that it can not drop, and this locking mechanism can be the screw, utilizes screw and axle locking promptly, guarantees that insulating mechanism and connecting rod can not drop.
The upper end of the lever bracket 6 is provided with a lever shaft 7, one end of the connecting rod is in linkage fit with the lever shaft, and the top end of the lever shaft is in a step-shaped structure 71 and is used for replacing a traditional handle. Meanwhile, the top end of the lever shaft is provided with a fixing plate 12 used for limiting the separation of the connecting rod, the connection mode of the stepped shaft and the fixing plate can be spin riveting and welding, and the purpose is to strengthen the firmness of the stepped shaft and the fixing plate.
The connecting rod is Z-shaped, the upper half part of the stepped shaft is used for limiting the up-and-down movement of the Z-shaped connecting rod, and one end of the stepped shaft, which is matched with the lever shaft, is provided with a waist round hole 31.
The plane of one end of the connecting rod, which is matched with the lever bracket, is lower than the plane of one end of the connecting rod, which is matched with the bent plate. The reliable assembly of the product at two limit positions of closing and re-buckling is met; one end of the Z-shaped connecting rod is provided with a waist round hole which is sleeved on the upper half part of the stepped shaft to do sliding arc motion; the other end is provided with a round hole for fixing the rivet on the bent plate.
The molded case circuit breaker with the transmission mechanism comprises a shell, wherein a molded case circuit breaker body is arranged in the shell, and the transmission mechanism is arranged in the shell.
The shell comprises a bottom shell, a middle cover 5 and an upper cover, wherein the middle cover is provided with a track groove 4 for a lever shaft of the lever support to penetrate through, so that the lever shaft moves along the track groove under the driving of the intermediate gear, and the opening and closing operation is realized.
The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (10)
1. A transmission mechanism is characterized in that: the electric operating mechanism comprises an electric operating mechanism, a bent plate arranged on a gear of the electric operating mechanism and a connecting rod used for connecting a lever bracket and the bent plate, wherein an insulating mechanism is arranged between the connecting rod and the bent plate.
2. A transmission mechanism as claimed in claim 1, wherein: the connecting rod is connected with the bent plate through a shaft, the connecting rod is provided with a hole matched with the shaft, and the insulating mechanism is arranged between the outer wall of the shaft and the hole wall.
3. A transmission mechanism as claimed in claim 2, wherein: the insulating mechanism comprises a T-shaped sleeve and a gasket.
4. A transmission mechanism as claimed in claim 3, wherein: the T-shaped sleeve is sleeved on the shaft, the connecting rod is sleeved on the T-shaped sleeve, the gasket is placed on the surface of the connecting rod and limited by the shaft, and the tail end of the shaft is provided with a locking mechanism.
5. A transmission mechanism as claimed in claim 1, wherein: the upper end of the lever bracket is provided with a lever shaft, and one end of the connecting rod is in linkage fit with the lever shaft.
6. A transmission according to claim 5, wherein: the top end of the lever shaft is of a step-shaped structure.
7. A transmission according to claim 6, wherein: the connecting rod is Z-shaped, and one end of the connecting rod, which is matched with the lever shaft, is provided with a waist round hole.
8. A transmission according to claim 7, wherein: the plane of one end of the connecting rod, which is matched with the lever bracket, is lower than the plane of one end of the connecting rod, which is matched with the bent plate.
9. A molded case circuit breaker having the transmission mechanism of any one of claims 1 to 8, comprising a case in which a molded case circuit breaker body is provided, characterized in that: the transmission mechanism is arranged in the shell.
10. The molded case circuit breaker according to claim 9, wherein: the shell comprises a bottom shell, a middle cover and an upper cover, wherein the middle cover is provided with a track groove through which a lever shaft of the lever bracket can pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022411633.5U CN213366503U (en) | 2020-10-27 | 2020-10-27 | Transmission mechanism and molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022411633.5U CN213366503U (en) | 2020-10-27 | 2020-10-27 | Transmission mechanism and molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213366503U true CN213366503U (en) | 2021-06-04 |
Family
ID=76132461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022411633.5U Active CN213366503U (en) | 2020-10-27 | 2020-10-27 | Transmission mechanism and molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213366503U (en) |
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2020
- 2020-10-27 CN CN202022411633.5U patent/CN213366503U/en active Active
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