CN106531524B - Flame proof Knob mechanisms - Google Patents
Flame proof Knob mechanisms Download PDFInfo
- Publication number
- CN106531524B CN106531524B CN201611064674.3A CN201611064674A CN106531524B CN 106531524 B CN106531524 B CN 106531524B CN 201611064674 A CN201611064674 A CN 201611064674A CN 106531524 B CN106531524 B CN 106531524B
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- CN
- China
- Prior art keywords
- rotary shaft
- flame proof
- knob mechanisms
- explosion
- fixed
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
- H01H19/14—Operating parts, e.g. turn knob
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Mechanical Control Devices (AREA)
Abstract
This application discloses a kind of flame proof Knob mechanisms, it, which runs through, is installed on explosion-proof casing (1), the flame proof Knob mechanisms include the attachment base (202) being fixed on the explosion-proof casing (1), the axle sleeve (204) that interference fit is installed in the mesoporous of the attachment base (202) and the rotary shaft (203) across the axle sleeve (204), wherein, the axially inner side of the rotary shaft (203) is engaged with the inner side end of the axle sleeve (204) in step-like.Flame proof Knob mechanisms of the invention use built-in type, and flame proof requires more secure and reliable；This flame proof knob structure is simple, compact overall structure, and rotary shaft will overcome the elastic force of double-spring piece when installing, rotation is more effective when driving is reversed, and installation is reliable stable.
Description
Technical field
The present invention relates to mine safety device technical fields, and in particular to the knob machine on flame-proof mine product shell
Structure.
Background technique
Knob mechanisms are applied very extensively in the product, and in general product, instrument and meter, tool all exists, and utilizes rotation
Button mechanism is adjusted speed, regulatory function mode, regulation stall etc..
Equally, Knob mechanisms can be also used in mining product.Due to the particularity of the working environment of mining product, to mine
It is also to have special national standard with the requirement of product.The Knob mechanisms of mining product must simultaneously meet the special of mining product
It is required that and its own rotational positioning functional requirement can just be used in the particular surroundings of coal mine.
Currently, explosion-proof switch knob control common in mining product is mostly that an extension is arranged on explosion-proof casing to grasp
Make bar, extends operating stick and explosion-proof casing designs the flame proof requirement that must satisfy in mining product, controlled by means of operating stick is extended
The knob of electric switch in explosion-proof casing, the various knob regulatory functions of Lai Shixian electric switch itself.
Summary of the invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of structure safety, reliably, flame proof easy to operate
Knob mechanisms.
According to an embodiment of the invention, providing a kind of flame proof Knob mechanisms, runs through and is installed on explosion-proof casing (1),
The flame proof Knob mechanisms include be fixed on the explosion-proof casing (1) attachment base (202), interference fit be installed on the company
Axle sleeve (204) in the mesoporous of joint chair (202) and through the rotary shaft (203) being installed in the axle sleeve (204), wherein
The axially inner side part of the rotary shaft (203) is in step-like protrusion, is engaged with the inner side end of the axle sleeve (204).
The present invention has the advantage that includes: with beneficial effect
1, rotary shaft uses built-in type, and flame proof requires more secure and reliable；
2, this flame proof knob structure is simple, compact overall structure, and rotary shaft will overcome the elastic force of double-spring piece when installing, and drives
Rotation is more effective when dynamic torsion, and installation is reliable stable.
Detailed description of the invention
Fig. 1 is the partial schematic diagram according to the flame proof Knob mechanisms of the embodiment of the present invention in explosion-proof casing；
Fig. 2 is another diagram of the flame proof Knob mechanisms of embodiment according to the present invention in explosion-proof casing；
Fig. 3 be along Fig. 2 A-A to sectional view；
Fig. 4 is the sectional view of the B-B direction along Fig. 3；
Fig. 5 be along Fig. 3 C-C to sectional view.
Specific embodiment
In the following, being described in further detail in conjunction with attached drawing to the implementation of technical solution.
It will be appreciated by those of skill in the art that although the following description is related to many of embodiment for the present invention
Technical detail, but be only for not meaning that any restrictions for illustrating the example of the principle of the present invention.The present invention can be applicable in
In the occasion being different from except technical detail exemplified below, without departing from the principle and spirit of the invention.
It, may be to can be in description in the present specification in addition, tedious in order to avoid being limited to the description of this specification
The portion of techniques details obtained in prior art data has carried out the processing such as omission, simplification, accommodation, this technology for this field
It will be understood by for personnel, and this will not influence the open adequacy of this specification.
Specific embodiment is described in detail with reference to the accompanying drawing.
Referring to figs. 1 to 4, according to an embodiment of the invention, a kind of flame proof Knob mechanisms are provided, attachment base (202) welding
On explosion-proof casing (1).Direction board (102) are equipped on the outside of shell (1), are used to indicate different function corresponding with rotary switch
Mode, these Warning Marks are around the setting of the periphery of the attachment base (202) of rotary shaft.It is also equipped on the rotary shaft (203)
Baffle (210), the baffle (210) are located at the inside of the locking member (209).
Referring to Fig. 3, when rotary shaft (203) is installed, from explosion-proof casing (1) inside install outward, step-like protrusion partially with
Copper sheathing (204) upper end face bonding, then successively installation upper end other parts are interior in attachment base (202).In a preferred approach, it will rotate
Axis (203) and the step-like protrusion of copper sheathing (204) upper end face bonding set up meter separately in explosion-proof casing (1) inside, in this way, working as flame proof
It, being capable of more secure and reliable inside shell (1) when dangerous explosive gas.
Referring to Fig. 2 and 3, internal in explosion-proof casing (1), the lower end of rotary shaft (203) is equipped with sensing element (206), is felt
Element (206) is answered to be fixed in fastener nest (205) with fastener (207), fastener nest (205) and rotary shaft (203) are with separately
One fastener (208) is fixed.Sensing element (206) is incuding model with the corresponding sensing element (101) in explosion-proof casing (1) each other
When in enclosing with not in induction range, different functional modes is respectively corresponded.Operator is with specific purpose tool (for example, by Fig. 4
The triangular connector of the centre shown) rotation rotary shaft (203) different functional modes is selected to different positions.
The rotary shaft (2) itself is equipped with erecting bed, annular groove is equipped in the rotary shaft, on the annular groove
Locking member (209,214) are installed.Rotation angle limit element (215) is installed in the rotary shaft.The rotary shaft
Outer end section is square, and installs double-spring piece thereon, for limiting the rotation start-stop position of the rotary shaft.The double-spring piece
(212) it is fixed on the first positioning pin (211), first positioning pin (211) is fixed on the attachment base (202).
Nut (201) in the flame proof Knob mechanisms, dust-proof, anti-tamper prevent non-full-time personnel from operating without authorization.
Referring to Fig. 2,3,5, the position that attachment base (202) is weldingly fixed in explosion-proof casing (1) directly affects rotary shaft
(203) rotational positioning direction, the induction corresponding in explosion-proof casing (1) of the sensing element (206) of rotary shaft (203) lower end installation
When element (101) is in induction range, internal correlation component is attracted or is powered, as "ON", the outer end of rotary shaft (203)
Square shaft part is equipped with double-spring piece (212), and rotary shaft (203) will overcome the elastic force of double-spring piece (212) when installing, when torsion
Driving force by double-spring piece (212) rotates, when rotary shaft (203) reach fix stopper/the second of radial limit element (215)
When positioning pin (213), sensing element is corresponded in the sensing element (206) of rotary shaft (203) lower end installation and explosion-proof casing (1)
(101) do not correspond to, not in induction range when, internal related component release or power-off, as "Off" at this time, explosion-proof casing
(1) direction board (102) on and built-in function embody consistent, realize the different function moulds for meeting product design requirement according to this
The conversion of formula.
Finally, it will be appreciated by those of skill in the art that various modifications can be made to the above embodiment of the present invention, become
Type and replacement, each fall within protection scope of the present invention as defined in the appended claims.
Claims (9)
1. a kind of flame proof Knob mechanisms, through being installed on explosion-proof casing (1), the flame proof Knob mechanisms include being fixed on institute
State the attachment base (202) on explosion-proof casing (1), the axle sleeve that interference fit is installed in the mesoporous of the attachment base (202)
(204) and through the rotary shaft (203) being installed in the axle sleeve (204),
Wherein, the axially inner side part of the rotary shaft (203) is in step-like protrusion, the inner side end with the axle sleeve (204)
Engagement,
Wherein, the axial outer end section of the rotary shaft (203) is square, and is equipped with thereon double-spring piece (212), double bullets
Reed (212) is fixed on the first positioning pin (211), and first positioning pin (211) is fixed on the attachment base (202)
On.
2. flame proof Knob mechanisms according to claim 1, wherein the radial side of the rotary shaft (203) is equipped with ring
Connected in star, locking member (209,214) are fixed on the annular groove.
3. flame proof Knob mechanisms according to claim 1, wherein pacify in the axially outer portion of the rotary shaft (203)
Equipped with rotation angle limit element (215).
4. flame proof Knob mechanisms according to claim 3, wherein the rotation angle limit element (215) is irregular
Shape realizes limit, the second positioning pin (213) quilt when rotating to the second positioning pin (213) with the rotary shaft (203)
It is fixed on the attachment base (202).
5. flame proof Knob mechanisms according to claim 2, wherein be also equipped with baffle on the rotary shaft (203)
(210), the baffle (210) is located at the inside of the locking member (209).
6. flame proof Knob mechanisms according to claim 1, wherein the outer end face of the rotary shaft (203) has dedicated connect
Mouthful, rotate the rotary shaft (203) for connecting specific purpose tool.
7. flame proof Knob mechanisms according to claim 1, wherein the axial inner ends of the rotary shaft (203) are located at described
Explosion-proof casing (1) is internal, the first sensing element (206) is equipped with thereon, when the rotary shaft (203) rotates to first position
Second sensing element (101) internal with the explosion-proof casing (1) is located at is opposite.
8. flame proof Knob mechanisms according to claim 7, wherein first sensing element (206) passes through the first fastening
Part (207) is fixed in fastener nest (205), and the fastener nest (205) and the rotary shaft (203) pass through the second fastening
Part (208) is fixed together.
9. flame proof Knob mechanisms according to claim 1, wherein the axially inner side part of the axle sleeve (204) is in step
Shape protrusion, engages with the inner side end of the attachment base (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611064674.3A CN106531524B (en) | 2016-11-28 | 2016-11-28 | Flame proof Knob mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611064674.3A CN106531524B (en) | 2016-11-28 | 2016-11-28 | Flame proof Knob mechanisms |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106531524A CN106531524A (en) | 2017-03-22 |
| CN106531524B true CN106531524B (en) | 2019-05-31 |
Family
ID=58357200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611064674.3A Active CN106531524B (en) | 2016-11-28 | 2016-11-28 | Flame proof Knob mechanisms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106531524B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256036A (en) * | 2020-09-25 | 2022-03-29 | 北京瑞赛长城航空测控技术有限公司 | Flame-proof transposition device |
| CN114121534B (en) * | 2021-10-20 | 2023-07-25 | 煤炭科学技术研究院有限公司 | Switch assembly and explosion-proof box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3020362A1 (en) * | 1980-05-29 | 1981-12-03 | Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Control switch for explosion-proof housing - has switch handle and shaft axially movable against spring force with control discs on shaft inside housing |
| CN201307524Y (en) * | 2008-12-15 | 2009-09-09 | 南阳防爆电气研究所有限公司 | Button operation mechanism of anti-explosion electric control box |
| CN201788870U (en) * | 2010-09-10 | 2011-04-06 | 宁波嘉林电子有限公司 | Multi-gear motor rotary switch |
| CN203038806U (en) * | 2012-12-17 | 2013-07-03 | 深圳市中兴昆腾有限公司 | Switch apparatus for explosion-proof electric device and explosion-proof electric device |
| CN204927132U (en) * | 2015-07-14 | 2015-12-30 | 中煤科工集团上海研究院 | Take location structure's flame -proof type button grabbing mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203312121U (en) * | 2013-05-08 | 2013-11-27 | 华天国际企业有限公司 | Multi-shift rotary switch |
-
2016
- 2016-11-28 CN CN201611064674.3A patent/CN106531524B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3020362A1 (en) * | 1980-05-29 | 1981-12-03 | Gebr. Eickhoff, Maschinenfabrik U. Eisengiesserei Mbh, 4630 Bochum | Control switch for explosion-proof housing - has switch handle and shaft axially movable against spring force with control discs on shaft inside housing |
| CN201307524Y (en) * | 2008-12-15 | 2009-09-09 | 南阳防爆电气研究所有限公司 | Button operation mechanism of anti-explosion electric control box |
| CN201788870U (en) * | 2010-09-10 | 2011-04-06 | 宁波嘉林电子有限公司 | Multi-gear motor rotary switch |
| CN203038806U (en) * | 2012-12-17 | 2013-07-03 | 深圳市中兴昆腾有限公司 | Switch apparatus for explosion-proof electric device and explosion-proof electric device |
| CN204927132U (en) * | 2015-07-14 | 2015-12-30 | 中煤科工集团上海研究院 | Take location structure's flame -proof type button grabbing mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106531524A (en) | 2017-03-22 |
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