CN101452788A - Roller rotating arm adjustable operating device for travel switch roller - Google Patents
Roller rotating arm adjustable operating device for travel switch roller Download PDFInfo
- Publication number
- CN101452788A CN101452788A CNA2007101712874A CN200710171287A CN101452788A CN 101452788 A CN101452788 A CN 101452788A CN A2007101712874 A CNA2007101712874 A CN A2007101712874A CN 200710171287 A CN200710171287 A CN 200710171287A CN 101452788 A CN101452788 A CN 101452788A
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- China
- Prior art keywords
- guide
- push rod
- travel switch
- mutually
- guiding element
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- 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.)
- Pending
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention relates to an adjustable rolling wheel rotating arm type actuator for a travel switch, which comprises a shell, a transmission mechanism and a push rod, wherein the transmission mechanism comprises a guiding element sleeve, a guiding element, and a rotating shaft with an adjusting arm, the guiding element sleeve is fixed on the step shaped inner wall of the shell, the guiding element passes through the guiding element sleeve, one end of the guiding element is mutually hooked with the guiding element sleeve, and the other end of the guiding element is mutually and firmly contacted with the rotating shaft, and the circumferential wall of a shaft section where the rotating shaft and the guiding element are mutually and closely contacted at least comprises a plane; and one end of the push rod is mutually fixed with the guiding element, and the other end of the push rod is mutually and firmly contacted with the operation end of the travel switch, and the push rod performs axial reciprocating sliding along with the transmission mechanism. Compared with the prior art, the actuator has the advantages of compact structure, excellent performance, reliable work, and various protective functions.
Description
Technical field
The present invention relates to the actuating of travel switch, particularly relate to a kind of adjustable roller pivoted arm type actuator that is used for travel switch.
Background technology
Travel switch can be transformed into electrical signal with mechanical movement, is used for controlling mechanical action or program control, therefore is used widely in control system.Exist the operating characteristics instability in actual applications, defective such as it is unreliable to work.Because defencive function improves on-the-spot abnormal running not to the utmost and causes mechanism's clamping stagnation, the malfunctioning fault that causes of moving happens occasionally.
Summary of the invention
Technical problem to be solved by this invention is exactly to provide a kind of adjustable roller pivoted arm type actuator that is used for travel switch for the defective that overcomes above-mentioned prior art existence.
Purpose of the present invention can be achieved through the following technical solutions: a kind of adjustable roller pivoted arm type actuator that is used for travel switch, it is characterized in that, comprise housing, transmission mechanism, push rod, described transmission mechanism comprises the rotating shaft of guide cover, guide, band adjustment arm, described guide cover is fixed on the step inwall of housing, described guide is arranged in the guide cover, and an end and guide cover link mutually, the other end and rotating shaft are tightly touched mutually, and this rotating shaft comprises a plane at least with the perisporium of the shaft part that guide tightly touches mutually; One end and the guide of described push rod interfix, and tightly touch mutually the operating side of the other end and travel switch, and this push rod axially reciprocatingly slides with transmission mechanism.
Be equipped with axial opening on the described guide and on the push rod, described push rod is inserted in the opening of guide, and the opening internal fixation of this push rod has an adjustment screw, and tightly touch mutually the header planes of this adjustment screw and the operating side of travel switch.
Described guide and guide put and all are arranged with spring.
It is fan-shaped that the cross section of described shaft part generally is.
Described rotating shaft interfixes with adjusting arm by clip-shaped piece, and this adjusts arm by bearing pin and the mutual riveted of a roller.
Compared with prior art, compact conformation of the present invention, function admirable, reliable operation has the kinds of protect function.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of rotating shaft of the present invention;
Fig. 3 is A-A cutaway view of Fig. 2.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Shown in Fig. 1～3, a kind of adjustable roller pivoted arm type actuator that is used for travel switch, comprise housing 1, transmission mechanism, push rod 2, described transmission mechanism comprises the rotating shaft 5 of guide cover 3, guide 4, band adjustment arm 9, described guide cover 3 is fixed on the step inwall of housing 1, described guide 4 is arranged in the guide cover 3, and an end and guide cover 3 link mutually, the other end and rotating shaft 5 are tightly touched mutually, and this rotating shaft 5 comprises a plane at least with the perisporium of the shaft part 6 that guide 4 tightly touches mutually; One end and the guide 4 of described push rod 2 interfix, tightly touch mutually the operating side of the other end and travel switch 7, this push rod 2 axially reciprocatingly slides with transmission mechanism, and push rod 2 can back and forth endwisely slip with rotating shaft 5, and its stroke is restricted by corner and relevant spacing.
Be equipped with axial opening on the described guide 4 and on the push rod 2, described push rod 2 is inserted in the opening of guide 4, and the opening internal fixation of this push rod 2 has an adjustment screw 8, and tightly touch mutually the operating side of the header planes of this adjustment screw 8 and travel switch 7; All be arranged with spring on described guide 4 and the guide cover 3; It is fan-shaped that the cross section of described shaft part 6 generally is; Described rotating shaft 5 interfixes with adjusting arm 9 by clip-shaped piece 11, and this adjusts arm 9 by bearing pin and a roller 10 mutual riveteds, so roller 10 can rotate around bearing pin.
After moving machinery touched the roller of actuator, active force passed to the push rod that has defencive function by the rotating shaft by the movement locus design, and the pull switch element makes contact closure or disconnection, reaches the purpose of control.
Actuator of the present invention has limit function.The position-limit mechanism of being made up of guide and rotating shaft in the impulse stroke limit that switch element allows, is realized spacingly the Stroke Control of actuator push rod automatically, and the adjustable roller that does not influence actuator is adjusted arm assembly and continued to move to total travel.
Be provided with spring and sealing ring in the actuator of the present invention, can effectively overcome the impulsive force that protection test is born, or the misoperation that produces at work.
Claims (5)
1. adjustable roller pivoted arm type actuator that is used for travel switch, it is characterized in that, comprise housing, transmission mechanism, push rod, described transmission mechanism comprises the rotating shaft of guide cover, guide, band adjustment arm, described guide cover is fixed on the step inwall of housing, and described guide is arranged in the guide cover, and an end overlaps with guide and links mutually, the other end and rotating shaft are tightly touched mutually, and this rotating shaft comprises a plane at least with the perisporium of the shaft part that guide tightly touches mutually; One end and the guide of described push rod interfix, and tightly touch mutually the operating side of the other end and travel switch, and this push rod axially reciprocatingly slides with transmission mechanism.
2. a kind of adjustable roller pivoted arm type actuator that is used for travel switch according to claim 1, it is characterized in that, be equipped with axial opening on the described guide and on the push rod, described push rod is inserted in the opening of guide, the opening internal fixation of this push rod has an adjustment screw, and tightly touch mutually the header planes of this adjustment screw and the operating side of travel switch.
3. a kind of adjustable roller pivoted arm type actuator that is used for travel switch according to claim 1 and 2 is characterized in that described guide and guide put and all be arranged with spring.
4. a kind of adjustable roller pivoted arm type actuator that is used for travel switch according to claim 3 is characterized in that it is fan-shaped that the cross section of described shaft part generally is.
5. a kind of adjustable roller pivoted arm type actuator that is used for travel switch according to claim 4 is characterized in that, described rotating shaft interfixes with adjusting arm by clip-shaped piece, and this adjusts arm by bearing pin and the mutual riveted of a roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101712874A CN101452788A (en) | 2007-11-29 | 2007-11-29 | Roller rotating arm adjustable operating device for travel switch roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101712874A CN101452788A (en) | 2007-11-29 | 2007-11-29 | Roller rotating arm adjustable operating device for travel switch roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101452788A true CN101452788A (en) | 2009-06-10 |
Family
ID=40734963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101712874A Pending CN101452788A (en) | 2007-11-29 | 2007-11-29 | Roller rotating arm adjustable operating device for travel switch roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101452788A (en) |
-
2007
- 2007-11-29 CN CNA2007101712874A patent/CN101452788A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090610 |