CN216354038U - Shifting fork assembly convenient to assemble - Google Patents
Shifting fork assembly convenient to assemble Download PDFInfo
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- CN216354038U CN216354038U CN202122835653.XU CN202122835653U CN216354038U CN 216354038 U CN216354038 U CN 216354038U CN 202122835653 U CN202122835653 U CN 202122835653U CN 216354038 U CN216354038 U CN 216354038U
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- nut
- shifting fork
- connecting rod
- hole
- rod
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Abstract
The utility model discloses a shifting fork assembly convenient to assemble, which comprises a shifting fork and a connecting rod, wherein the middle part of the shifting fork is provided with a shaft hole for inserting a support shaft on a support positioned in a low-voltage circuit breaker, one end of the shifting fork is connected with one end of the connecting rod, the other end of the shifting fork is provided with a notch for clamping a connecting shaft on a tripping mechanism positioned in the low-voltage circuit breaker, one end of the connecting rod is provided with a screw rod and an inserting rod which are distributed along the length direction of the connecting rod, one end of the shifting fork is provided with a through hole and an inserting hole, the screw rod is in threaded connection with a first nut after penetrating through the through hole in a movable mode, the connecting rod and the shifting fork are fastened through the first nut, the inserting rod is inserted into the inserting hole, and the outer peripheral wall of the inserting rod is attached to the inner peripheral wall of the inserting hole; the utility model can bring convenience to the fixation of the shifting fork and the connecting rod.
Description
Technical Field
The utility model relates to the technical field of low-voltage circuit breakers, in particular to a shifting fork assembly convenient to assemble.
Background
The low-voltage circuit breaker is an electric device for controlling the on-off of a circuit, the shifting fork is a component which is arranged in the low-voltage circuit breaker and is used for controlling the action of the opening mechanism, the middle part of the shifting fork which is arranged in the low-voltage circuit breaker at present is provided with a shaft hole for inserting a support shaft on a bracket positioned in the low-voltage circuit breaker, the shifting fork is rotatably connected with the support shaft, one end of the shifting fork is used for being connected with a connecting rod in an operating handle, and the other end of the shifting fork is provided with a notch for clamping a connecting shaft on the opening mechanism positioned in the low-voltage circuit breaker; however, the current shift fork inside the low-voltage circuit breaker is fixed by two bolt assemblies and a connecting rod in the operating handle, so that the shift fork and the connecting rod are inconvenient to fix.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the shifting fork assembly convenient to assemble, which can bring convenience to the fixation of a shifting fork and a connecting rod.
The shifting fork assembly convenient to assemble comprises a shifting fork and a connecting rod, wherein a shaft hole for inserting a supporting shaft on a support inside a low-voltage circuit breaker is formed in the middle of the shifting fork, one end of the shifting fork is connected with one end of the connecting rod, a notch used for being clamped with a connecting shaft on a tripping mechanism inside the low-voltage circuit breaker is formed in the other end of the shifting fork, a screw rod and an inserting rod are arranged at one end of the connecting rod and distributed along the length direction of the connecting rod, a through hole and an inserting hole are formed in one end of the shifting fork, a first nut is connected to the screw rod in a threaded mode after the screw rod movably penetrates through the through hole, the connecting rod and the shifting fork are fastened through the first nut, the inserting rod is inserted into the inserting hole, and the outer peripheral wall of the inserting rod is attached to the inner peripheral wall of the inserting hole.
According to the shifting fork assembly convenient to assemble, the outer peripheral wall of one end, away from the connecting rod, of the insert rod is provided with the annular chamfer surface, and the annular chamfer surface is used for being matched with the inner wall of the jack to guide so as to facilitate the insert rod to be inserted into the jack; through the arrangement of the annular chamfer surface, when the inserted link is matched and plugged with the jack, the annular chamfer surface can be matched and guided with the inner wall of the jack so as to facilitate the insertion link to be inserted into the jack.
According to the shifting fork assembly convenient to assemble, the screw is in threaded connection with the second nut, the second nut is located on the outer side of the first nut, and the second nut is tightly combined with the first nut; through the setting of second nut, after connecting rod and shift fork pass through first nut fastening, the accessible is twisted and is moved the second nut and make second nut and first nut and tight, so, can effectively avoid first nut the phenomenon that the pine takes off to can improve the reliability after connecting rod and shift fork are fixed.
The shifting fork assembly convenient to assemble is characterized in that an arc-shaped guide hole is formed in the shifting fork, the axis of the guide hole is overlapped with the axis of the shaft hole, a guide post fixed on a support in the low-voltage circuit breaker is inserted into the guide hole, and the guide hole is in sliding fit with the guide post fixed on the support in the low-voltage circuit breaker; after the guide hole is formed in the shifting fork, the guide post fixed on the support inside the low-voltage circuit breaker can be inserted into the guide hole formed in the shifting fork, and when the shifting fork rotates relative to the supporting shaft on the support inside the low-voltage circuit breaker, the guide post fixed on the support inside the low-voltage circuit breaker can slide in the guide hole, namely, the guide post and the guide hole are matched to play a guiding role in rotating the shifting fork, and therefore reliability and stability of the shifting fork during rotation can be improved.
When the shifting fork and the connecting rod are fixed, only the screw rod and the inserted rod which are positioned on the connecting rod are respectively inserted into the through hole and the inserting hole which are positioned on the shifting fork, and the first nut is screwed on the screw rod so as to enable the first nut to fasten the connecting rod and the shifting fork.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the utility model. That is, in some embodiments of the utility model, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model discloses a shifting fork assembly convenient to assemble, which comprises a shifting fork 1 and a connecting rod 2, wherein a shaft hole 11 for inserting a support shaft on a support positioned in a low-voltage circuit breaker is formed in the middle of the shifting fork 1, one end of the shifting fork 1 is connected with one end of the connecting rod 2, a notch 12 for clamping a connecting shaft on a brake separating mechanism positioned in the low-voltage circuit breaker is formed in the other end of the shifting fork 1, a screw 21 and an insert rod 22 which are distributed along the length direction of the connecting rod 2 are arranged at one end of the connecting rod 2, a through hole 13 and an insert hole 14 are formed in one end of the shifting fork 1, a first nut 3 is connected to the screw 21 after the screw 21 movably penetrates through the through hole 13 in a threaded manner, the connecting rod 2 and the shifting fork 1 are fastened through the first nut 3, the insert rod 22 is inserted into the insert hole 14, and the outer peripheral wall of the insert rod 22 is attached to the inner peripheral wall of the insert hole 14.
An annular chamfer surface 23 is arranged on the outer peripheral wall of one end, away from the connecting rod 2, of the inserted rod 22, and the annular chamfer surface 23 is used for being matched with the inner wall of the insertion hole 14 for guiding so as to facilitate the insertion of the inserted rod 22 into the insertion hole 14; through the arrangement of the annular chamfer surface, when the inserted link is matched and plugged with the jack, the annular chamfer surface can be matched and guided with the inner wall of the jack so as to facilitate the insertion link to be inserted into the jack.
The screw rod 21 is in threaded connection with a second nut 4, the second nut 4 is positioned on the outer side of the first nut 3, and the second nut 4 is tightly combined with the first nut 3; through the setting of second nut, after connecting rod and shift fork pass through first nut fastening, the accessible is twisted and is moved the second nut and make second nut and first nut and tight, so, can effectively avoid first nut the phenomenon that the pine takes off to can improve the reliability after connecting rod and shift fork are fixed.
An arc-shaped guide hole 15 is formed in the shifting fork 1, the axis of the guide hole 15 is overlapped with the axis of the shaft hole 11, the guide hole 15 is used for a guide post fixed on a support in the low-voltage circuit breaker to insert, and the guide hole 15 is in sliding fit with the guide post fixed on the support in the low-voltage circuit breaker; after the guide hole is formed in the shifting fork, the guide post fixed on the support inside the low-voltage circuit breaker can be inserted into the guide hole formed in the shifting fork, and when the shifting fork rotates relative to the supporting shaft on the support inside the low-voltage circuit breaker, the guide post fixed on the support inside the low-voltage circuit breaker can slide in the guide hole, namely, the guide post and the guide hole are matched to play a guiding role in rotating the shifting fork, and therefore reliability and stability of the shifting fork during rotation can be improved.
When the shifting fork and the connecting rod in the operating handle are fixed, only the screw rod and the inserted rod on the connecting rod are required to be respectively inserted into the through hole and the inserting hole on the shifting fork, and the first nut is screwed on the screw rod so as to fasten the connecting rod and the shifting fork by the first nut.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a shift fork subassembly convenient to assembly, includes shift fork (1) and connecting rod (2), the middle part of shift fork (1) is provided with and is used for supplying back shaft male shaft hole (11) on being located the inside support of low-voltage circuit breaker, the one end of shift fork (1) is connected with the one end of connecting rod (2), the other end of shift fork (1) is provided with notch (12) that are used for with the connecting axle block that is located the inside separating brake mechanism of low-voltage circuit breaker, its characterized in that: the one end of connecting rod (2) is provided with screw rod (21) and inserted bar (22) that the length direction of following connecting rod (2) distributes, the one end of shift fork (1) is provided with through-hole (13) and jack (14), screw rod (21) activity runs through behind through-hole (13) threaded connection have first nut (3), connecting rod (2) and shift fork (1) are through first nut (3) fastening, inserted bar (22) insert in jack (14), the periphery wall of inserted bar (22) pastes with the interior wall of jack (14).
2. A fork assembly for facilitating assembly according to claim 1, wherein the outer peripheral wall of the end of the insert rod (22) remote from the link (2) is provided with an annular chamfered surface (23), the annular chamfered surface (23) being adapted to cooperate with the inner wall of the socket (14) to guide the insert rod (22) into the socket (14).
3. A fork assembly for facilitating assembly according to claim 1, wherein a second nut (4) is threadedly connected to the screw (21), the second nut (4) being located outside the first nut (3), the second nut (4) being tightened against the first nut (3).
4. A fork assembly convenient to assemble according to claim 1, wherein an arc-shaped guide hole (15) is formed in the fork (1), the axis of the guide hole (15) coincides with the axis of the shaft hole (11), the guide hole (15) is used for a guide post fixed on a support inside the low-voltage circuit breaker to be inserted, and the guide hole (15) is in sliding fit with the guide post fixed on the support inside the low-voltage circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122835653.XU CN216354038U (en) | 2021-11-18 | 2021-11-18 | Shifting fork assembly convenient to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122835653.XU CN216354038U (en) | 2021-11-18 | 2021-11-18 | Shifting fork assembly convenient to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216354038U true CN216354038U (en) | 2022-04-19 |
Family
ID=81150244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122835653.XU Active CN216354038U (en) | 2021-11-18 | 2021-11-18 | Shifting fork assembly convenient to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216354038U (en) |
-
2021
- 2021-11-18 CN CN202122835653.XU patent/CN216354038U/en active Active
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