CN204242846U - Excavator cam switch - Google Patents
Excavator cam switch Download PDFInfo
- Publication number
- CN204242846U CN204242846U CN201420828485.9U CN201420828485U CN204242846U CN 204242846 U CN204242846 U CN 204242846U CN 201420828485 U CN201420828485 U CN 201420828485U CN 204242846 U CN204242846 U CN 204242846U
- Authority
- CN
- China
- Prior art keywords
- cam
- moving runner
- push rod
- groove
- push
- 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
Links
Abstract
The utility model relates to a kind of excavator cam switch, comprise the cam, self-replaced type push-button switch and the push rod that are connected with lever, one end and the push-button switch of push rod are fixed, other end top has groove, moving runner is had in groove, moving runner is arranged on the sidewall of groove by rotating shaft, the EDGE CONTACT cam of moving runner.The utility model has following obvious advantage: the top of push rod is provided with moving runner, and moving runner and cam contact avoid the friction of push rod and cam, and wear and tear little, the life-span is improved greatly.
Description
Technical field
The utility model relates to a kind of push-button switch, is specifically related to a kind of use self-replaced type push-button switch on board a dredger.
Background technology
Excavation is provided with circuit general switch, and control the open and close of excavator, existing switch comprises cam, button and push rod, and catch bar top directly contacts with cam, and greatly, therefore the life-span is lower for large to the impact of catch bar when cam rotates dynamic, wearing and tearing.
Utility model content
The purpose of this utility model is the deficiency for existing existence, provides a kind of excavator cam switch.
The purpose of this utility model is realized by following technological means:
Comprise the cam, self-replaced type push-button switch and the push rod that are connected with lever, one end and the push-button switch of push rod are fixed, and other end top has groove, has moving runner in groove, moving runner is arranged on the sidewall of groove by rotating shaft, the EDGE CONTACT cam of moving runner.
Compared with prior art the utility model has following obvious advantage: the top of push rod is provided with moving runner, and moving runner and cam contact avoid the friction of push rod and cam, and wear and tear little, the life-span is improved greatly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, 1-cam, 2-push rod, 3-moving runner, 4-push-button switch, 5-lever.
Embodiment
Illustrate below in conjunction with accompanying drawing and with embodiment, the utility model to be described in further detail:
Excavator cam switch as shown in Figure 1, comprise the cam 1, self-replaced type push-button switch 4 and the push rod 2 that are connected with lever 5, one end and the push-button switch 4 of push rod 2 are fixed, other end top has groove, moving runner 3 is had in groove, moving runner 3 is arranged on the sidewall of groove by rotating shaft, the EDGE CONTACT cam 1 of moving runner 3.
The above; be only a part of embodiment of the present utility model; protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection range of the present utility model.
Claims (1)
1. excavator cam switch, comprise the cam, self-replaced type push-button switch and the push rod that are connected with lever, one end and the described push-button switch of described push rod are fixed, it is characterized in that: the other end top of described push rod has groove, moving runner is had in described groove, described moving runner is arranged on the sidewall of described groove by rotating shaft, cam described in the EDGE CONTACT of described moving runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420828485.9U CN204242846U (en) | 2014-12-24 | 2014-12-24 | Excavator cam switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420828485.9U CN204242846U (en) | 2014-12-24 | 2014-12-24 | Excavator cam switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204242846U true CN204242846U (en) | 2015-04-01 |
Family
ID=52772308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420828485.9U Expired - Fee Related CN204242846U (en) | 2014-12-24 | 2014-12-24 | Excavator cam switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204242846U (en) |
-
2014
- 2014-12-24 CN CN201420828485.9U patent/CN204242846U/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: 20150401 Termination date: 20151224 |
|
| EXPY | Termination of patent right or utility model |