CN207178862U - A kind of switching tools for gas cylinder cylinder valve - Google Patents
A kind of switching tools for gas cylinder cylinder valve Download PDFInfo
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- CN207178862U CN207178862U CN201721085344.2U CN201721085344U CN207178862U CN 207178862 U CN207178862 U CN 207178862U CN 201721085344 U CN201721085344 U CN 201721085344U CN 207178862 U CN207178862 U CN 207178862U
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- support arm
- gas cylinder
- rack
- fixed
- wishbone
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Abstract
The utility model discloses a kind of switching tools for gas cylinder cylinder valve, it is related to power industry special-purpose machinery technical field of tools.The switching tools for gas cylinder cylinder valve, including wishbone, handwheel, threaded adjustment knob and movable jaw with rack, the buckle structure of triangular shape is formed by the first fixed jaw on wishbone, the second fixed jaw and movable jaw, the cylinder valve of the buckle structure and gas cylinder coordinates, and opening or closing for gas cylinder cylinder valve is realized by rotation hand wheel；The threaded adjustment knob is intermeshed with the movable jaw with rack by screw thread and rack, spacing between the movable jaw with rack and the first fixed jaw and the second fixed jaw can be adjusted by rotating threaded adjustment knob, to adapt to various sizes of gas cylinder cylinder valve, application is wider；The utility model is simple in construction, easy to carry, and cost is low, has very strong practical value.
Description
Technical field
The utility model belongs to power industry special-purpose machinery technical field of tools, more particularly to one kind is used for gas cylinder bottle
The switching tools of valve.
Background technology
Currently, power industry application SF6 electrical equipments are more and more, are mainly reflected in：SF6 transformers, SF6 mutual induction of voltage
Device, SF6 current transformers etc..For this kind of SF6 electrical equipments,《Electric power apparatus examination testing regulations》Middle regulation：The kind equipment
Tested before putting into operation, latter year of putting into operation is tested, and is such as tested within every 3 years without exception.Tested to the kind equipment
When test equipment is verified, it is necessary to use SF6 pure gas, and the pure gas of SF6 is contained with gas cylinder, such gas cylinder
On-off action is played by a diameter 4cm valve.Meanwhile testing crew is applied to when doing chromatography test to transformer oil
N2, and calibrating gas.Wherein, N2, calibrating gas are all to use similar gas cylinder to contain, and valve is also similar.Generally, use
Carry out the N2 of tester, the N2 for doing chromatography test requires the absolute pure of gas, and test data otherwise can be caused abnormal, can not
Judge the health status of equipment；And the purity level requirement to doing calibrating gas used in transformer oil chromatographic experiment is higher.Therefore,
Experiment or maintainer when using this kind of gas cylinder, can all use up strength and tighten, so may result in next time use when
Wait, turning on needs to spend more strength.Moreover, gas cylinder is also devised with a handle conveniently carried, adds and turn on, twist
The difficulty of tight valve.Nowadays more and more higher is required to power supply reliability, the preventive trial frequency of primary equipment is constantly increased
Greatly, the prerun of SF6 equipment, transformer oil chromatographic test frequency also and then increase, and design a portable and labour-saving gas cylinder
The switching tools of cylinder valve are particularly important.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of switching tools for gas cylinder cylinder valve.
The utility model is that solve above-mentioned technical problem by the following technical solutions：One kind is used for gas cylinder bottle
The switching tools of valve, including wishbone, handwheel, threaded adjustment knob and the movable jaw with rack；The wishbone includes
Support arm and fixed jaw, the support arm include the first support arm and the second support arm, first support arm and the second support
One end of arm is fixedly connected, and the other end forms V-arrangement opening；The fixed jaw includes the first fixed jaw and the second fixed jaw, described
The other end for being fixed on the first support arm of first fixed jaw vertically downward, second fixed jaw vertically downward be fixed on
The other end of two support arms；
The handwheel being fixedly installed on the support arm of the wishbone vertically upward；
The threaded adjustment knob is hubbed at the bottom of wishbone support arm, can freely rotate；The work with rack
Dynamic jaw includes movable jaw and the 3rd support arm, one end for being arranged on the 3rd support arm of movable jaw fixation vertically downward,
The 3rd support arm away from movable jaw side is provided with rack；The other end of 3rd support arm by linear steering mechanism with
The support arm of wishbone is slidably connected, and the rack on the 3rd support arm engages with the screw thread on threaded adjustment knob；When turn
During dynamic threaded adjustment knob, due to screw thread and the engaging structure of rack so that the movable jaw with rack is in threaded tune
Under the driving of whole knob, along linear steering mechanism slips, so as to adjust the spacing between movable jaw and fixed jaw, to adapt to not
The cylinder valve size of the gas cylinder of same specification；After the spacing between movable jaw and fixed jaw is adjusted, by rotation hand wheel, beat
On or off closes the cylinder valve of gas cylinder, reduces the difficulty of switch high-pressure gas cylinder valve.
Further, the linear steering mechanism includes support bar, sliding block and chute；Described support bar one end is fixed on
On the support arm of wishbone, the other end is fixedly connected with a slide block, and the chute is opened on the 3rd support arm with rack homonymy,
Sliding block is set to be slided in chute, and rack can be intermeshed with screw thread；Band rack can not only be made by linear steering mechanism
Movable jaw slided under the driving of threaded adjustment knob relative to wishbone, and the movable jaw with rack can be risen
To supporting role；Movable jaw, the first fixed jaw and the second fixed jaw form the buckle structure of triangular shape, this buckle structure with
The cylinder valve of gas cylinder is engaged, can stablize the recess for blocking cylinder valve, so as to it is laborsaving, quickly open or close high pressure gas
The cylinder valve of bottle.
Further, one end of the support bar is fixed on the 3rd support arm with rack homonymy, the other end with it is described
Sliding block is fixedly connected, and the chute is opened on the support arm of the wishbone, sliding block is slided in chute, and rack can
It is intermeshed with screw thread.
Further, the threaded adjustment knob is set on bearing pin, and the both ends of the bearing pin pass through two supports
Post is fixedly installed on the bottom of the wishbone support arm, and the threaded adjustment knob can freely rotate around bearing pin.
Further, the wishbone is integral type structure.
Further, the medial surface of the fixed jaw and movable jaw is respectively arc, the cylinder valve edge phase with gas cylinder
Adapt to, to be preferably bonded with the edge of gas cylinder cylinder valve, increase mutual frictional force, increase lifting surface area, reduce
Switch the difficulty of cylinder valve.
Further, the angle between first support arm and the second support arm is acute angle, and the first support arm and
The equal length of two support arms；Angle is preferably 36 °, the card that the isosceles triangle buckle structure that angle is 36 ° can be more firm
The firmly cylinder valve of gas cylinder.
Further, the handwheel includes handwheel body and valve rod, and the handwheel body is into circle by bending metal pipe
Wheel rim, the spoke of metal tube and the hub welding with center valve rod hole form, one end of the valve rod is fixed on the wheel hub
Center valve rod hole in, the other end is fixed on the support arm of the wishbone；The tubular structure of wheel rim and spoke, there is weight
Gently, the characteristics of intensity is high.
Further, the diameter of the wheel rim is preferably 8cm.
Compared with prior art, the switching tools provided by the utility model for gas cylinder cylinder valve, including V-arrangement
Frame, handwheel, threaded adjustment knob and the movable jaw with rack, pass through the first fixed jaw on wishbone, the second fixed jaw
And movable jaw forms the buckle structure of triangular shape, the cylinder valve of the buckle structure and gas cylinder coordinates, and passes through rotation hand wheel
Realize opening or closing for gas cylinder cylinder valve；The threaded adjustment knob passes through screw thread and tooth with the movable jaw with rack
Bar is intermeshed, and the movable jaw with rack and the first fixed jaw and the second fixed jaw can be adjusted by rotating threaded adjustment knob
Between spacing, to adapt to various sizes of gas cylinder cylinder valve, application is wider；The utility model is simple in construction,
Easy to carry, cost is low, has very strong practical value.
Brief description of the drawings
It is required in being described below to embodiment to use in order to illustrate more clearly of the technical solution of the utility model
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only one embodiment of the present utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of structural representation of switching tools for gas cylinder cylinder valve of the utility model；
Fig. 2 is that the utility model uses figure for the switching tools of gas cylinder cylinder valve；
Wherein：The support arms of 1- first, the support arms of 2- second, the fixed jaws of 3- first, the fixed jaws of 4- second, the threaded tune of 5-
Whole knob, 6- bearing pins, 7- support columns, 8- movable jaws, the support arms of 9- the 3rd, 10- racks, 11- wheel rims, 12- spokes, 13- valve rods,
14- centers valve rod hole, 15- support bars, 16- sliding blocks, 17- gas cylinder cylinder valves.
Embodiment
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the utility model is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole embodiments.
Based on the embodiment in the utility model, those of ordinary skill in the art are obtained on the premise of creative work is not made
Every other embodiment, belong to the utility model protection scope.
As shown in figure 1, a kind of switching tools for gas cylinder cylinder valve 17 provided by the utility model, including V-arrangement
Frame, handwheel, threaded adjustment knob 5 and the movable jaw 8 with rack 10；Wishbone includes support arm and fixed jaw, support arm
Including the first support arm 1 and the second support arm 2, the first support arm 1 is fixedly connected with one end of the second support arm 2, other end shape
Forming V-shape opening；Fixed jaw includes the first fixed jaw 3 and the second fixed jaw 4, the first fixed jaw 3 vertically downward be fixed on first
The other end of support arm 1, the other end for being fixed on the second support arm 2 of the second fixed jaw 4 vertically downward；
Handwheel being fixedly installed on the support arm of wishbone vertically upward；
Threaded adjustment knob 5 is hubbed at the bottom of wishbone support arm, can freely rotate；Movable jaw 8 with rack 10
Including the support arm 9 of movable jaw 8 and the 3rd, one end for being arranged on the 3rd support arm 9 fixed vertically downward of movable jaw 8, remote
3rd support arm 9 of the side of movable jaw 8 is provided with rack 10；The other end of 3rd support arm 9 passes through linear steering mechanism and V-arrangement
The support arm of frame is slidably connected, and the rack 10 on the 3rd support arm 9 engages with the screw thread on threaded adjustment knob 5.
As shown in Fig. 2 in use, the first fixed jaw 3, the second fixed jaw 4 and movable jaw 8 are first blocked into gas cylinder bottle
The recess of valve 17, threaded adjustment knob 5 is rotated, due to the engagement of screw thread and rack 10 so that with rack 10
Movable jaw 8, along linear steering mechanism slips, is rotated up threaded adjustment under the driving of threaded adjustment knob 5
Knob 5, then movable jaw 8 is protruding, rotates down threaded adjustment knob 5, then movable jaw 8 is inwardly retracted, so as to adjust
Spacing between movable jaw 8 and fixed jaw, to adapt to the size of cylinder valve 17 of the gas cylinder of different size；When movable jaw 8 and admittedly
Determine after the spacing between jaw adjusts, by rotation hand wheel, to open or close the cylinder valve 17 of gas cylinder, reduce switch high-pressure
The difficulty of gas cylinder valve 17.
Linear steering mechanism includes support bar 15, sliding block 16 and chute；The one end of support bar 15 is fixed on the support of wishbone
On arm, the other end is fixedly connected with sliding block 16, and chute is opened in on the 3rd support arm 9 of the homonymy of rack 10, making sliding block 16 exist
Slided in chute, and rack 10 can be intermeshed with screw thread；Work with rack 10 can not only be made by linear steering mechanism
Dynamic jaw 8 is slided under the driving of threaded adjustment knob 5 relative to wishbone, and the movable jaw 8 with rack 10 can be risen
To supporting role；Movable jaw 8, the first fixed jaw 3 and the second fixed jaw 4 form the buckle structure of triangular shape, this buckle knot
Structure is engaged with the cylinder valve 17 of gas cylinder, can stablize the recess for blocking cylinder valve 17, so as to it is laborsaving, quickly play on or off
Close the cylinder valve 17 of gas cylinder.
One end of support bar 15 is fixed on and on the 3rd support arm 9 of the homonymy of rack 10, the other end and sliding block 16 are fixed connects
Connect, chute is opened on the support arm of wishbone, sliding block 16 is slided in chute, and rack 10 can be intermeshed with screw thread.
Threaded adjustment knob 5 is set on bearing pin 6, and the both ends of bearing pin 6 are fixedly installed on V by two support columns 7
The bottom of shape frame support arm, threaded adjustment knob 5 can freely rotate around bearing pin 6.
The medial surface of fixed jaw and movable jaw 8 is respectively arc, is adapted with the edge of cylinder valve 17 of gas cylinder, so as to
The edge of gas cylinder cylinder valve 17 is preferably bonded, and increases mutual frictional force, increases lifting surface area, reduces switch cylinder valve 17
Difficulty.
Angle α between first support arm 1 and the second support arm 2 is acute angle, and the first support arm 1 and the second support arm 2
Equal length；Angle α is preferably 36 °, and what angle α was that 36 ° of isosceles triangle buckle structure can be more firm blocks high pressure
The cylinder valve 17 of gas cylinder.
Handwheel includes handwheel body and valve rod 13, and handwheel body is by wheel rim 11 of the bending metal pipe into circle, metal tube
Spoke 12 and hub welding with center valve rod hole 14 form, one end of valve rod 13 is fixed on the center valve rod hole 14 of wheel hub
Interior, the other end is fixed on the support arm of wishbone；The tubular structure of wheel rim 11 and spoke 12, there is spy in light weight, intensity is high
Point.
The diameter of wheel rim 11 is preferably 8cm.
Embodiment：
The concrete structure chi of switching tools in the utility model is designed by taking a diameter of 4.5cm of gas cylinder cylinder valve 17 as an example
Very little, if the length of the first support arm 1 and the second support arm 2 is 5cm, angle α is preferably 30 ° -60 °, in the present embodiment, angle
α=36°；The length of first fixed jaw 3 and the second fixed jaw 4 is 3cm, the other end of the 3rd support arm 9 to movable jaw 8 away from
It is 1.5cm from the length for 4cm, movable jaw 8, the tip diameter of handwheel is 8cm.
Above disclosed is only specific embodiment of the present utility model, but the scope of protection of the utility model not office
It is limited to this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Change or modification, should all cover within the scope of protection of the utility model.
Claims (10)
- A kind of 1. switching tools for gas cylinder cylinder valve, it is characterised in that：Including wishbone, handwheel, threaded adjustment rotation Button（5）And with rack（10）Movable jaw（8）；The wishbone includes support arm and fixed jaw, and the support arm includes first Support arm（1）With the second support arm（2）, first support arm（1）With the second support arm（2）One end be fixedly connected, it is another End forms V-arrangement opening；The fixed jaw includes the first fixed jaw（3）With the second fixed jaw（4）, first fixed jaw（3）Hang down It is straight downward to be fixed on the first support arm（1）The other end, second fixed jaw（4）Vertically downward be fixed on the second support Arm（2）The other end；The handwheel being fixedly installed on the support arm of the wishbone vertically upward；The threaded adjustment knob（5）The bottom of wishbone support arm is hubbed at, can freely be rotated；The band rack（10） Movable jaw（8）Including movable jaw（8）With the 3rd support arm（9）, the movable jaw（8）Fixed vertically downward is arranged on the 3rd Support arm（9）One end, away from movable jaw（8）3rd support arm of side（9）It is provided with rack（10）；3rd support Arm（9）The other end be slidably connected by the support arm of linear steering mechanism and wishbone, and the 3rd support arm（9）On rack （10）With threaded adjustment knob（5）On screw thread engagement；In use, the first fixed jaw（3）, the second fixed jaw（4）And Movable jaw（8）Form the buckle structure of triangular shape, the buckle structure blocks gas cylinder cylinder valve, opened by rotation hand wheel or Close gas cylinder cylinder valve（17）.
- 2. it is used for the switching tools of gas cylinder cylinder valve as claimed in claim 1, it is characterised in that：The linear steering mechanism Including support bar（15）, sliding block（16）And chute；The support bar（15）One end is fixed on the support arm of wishbone, another End and sliding block（16）It is fixedly connected, the chute is opened in and rack（10）3rd support arm of homonymy（9）On, make sliding block（16） Slided in chute, and rack（10）It can be intermeshed with screw thread.
- 3. it is used for the switching tools of gas cylinder cylinder valve as claimed in claim 2, it is characterised in that：The support bar（15）'s One end is fixed on and rack（10）3rd support arm of homonymy（9）On, the other end and the sliding block（16）It is fixedly connected, the cunning Groove is opened on the support arm of the wishbone, makes sliding block（16）Slided in chute, and rack（10）Can mutually it be nibbled with screw thread Close.
- 4. it is used for the switching tools of gas cylinder cylinder valve as claimed in claim 1, it is characterised in that：The threaded adjustment Knob（5）It is set in bearing pin（6）On, the bearing pin（6）Both ends pass through two support columns（7）It is fixedly installed on the wishbone The bottom of support arm.
- 5. it is used for the switching tools of gas cylinder cylinder valve as claimed in claim 1, it is characterised in that：The wishbone is integrated Formula structure.
- 6. it is used for the switching tools of gas cylinder cylinder valve as claimed in claim 1, it is characterised in that：The fixed jaw and activity Jaw（8）Medial surface be respectively arc, be adapted with the cylinder valve edge of gas cylinder.
- 7. it is used for the switching tools of gas cylinder cylinder valve as claimed in claim 1, it is characterised in that：First support arm （1）With the second support arm（2）Between angle be acute angle, and the first support arm（1）With the second support arm（2）Equal length.
- 8. it is used for the switching tools of gas cylinder cylinder valve as claimed in claim 1, it is characterised in that：First support arm （1）With the second support arm（2）Between angle be 36 °.
- 9. it is used for the switching tools of gas cylinder cylinder valve as claimed in claim 1, it is characterised in that：The handwheel includes handwheel Body and valve rod（13）, the handwheel body is the wheel rim into circle by bending metal pipe（11）, metal tube spoke（12）With Band center valve rod hole（14）Hub welding form, the valve rod（13）One end be fixed on the center valve rod hole of the wheel hub （14）Interior, the other end is fixed on the support arm of the wishbone.
- 10. it is used for the switching tools of gas cylinder cylinder valve as claimed in claim 9, it is characterised in that：The wheel rim（11）'s A diameter of 8cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085344.2U CN207178862U (en) | 2017-08-28 | 2017-08-28 | A kind of switching tools for gas cylinder cylinder valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721085344.2U CN207178862U (en) | 2017-08-28 | 2017-08-28 | A kind of switching tools for gas cylinder cylinder valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178862U true CN207178862U (en) | 2018-04-03 |
Family
ID=61738221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721085344.2U Active CN207178862U (en) | 2017-08-28 | 2017-08-28 | A kind of switching tools for gas cylinder cylinder valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178862U (en) |
-
2017
- 2017-08-28 CN CN201721085344.2U patent/CN207178862U/en active Active
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