CN205859318U - A kind of gear case transmission mechanism for PE fuel gas ball valve opening and closing - Google Patents
A kind of gear case transmission mechanism for PE fuel gas ball valve opening and closing Download PDFInfo
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- CN205859318U CN205859318U CN201620814740.3U CN201620814740U CN205859318U CN 205859318 U CN205859318 U CN 205859318U CN 201620814740 U CN201620814740 U CN 201620814740U CN 205859318 U CN205859318 U CN 205859318U
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- valve opening
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Abstract
This utility model provides a kind of gear case transmission mechanism for PE fuel gas ball valve opening and closing, belongs to technology of gas pipeline field.It solve the problem that prior art middle gear case controls the ball valve bigger operation torsion of open and close controlling demand.This drive mechanism includes gear-box upper body, gear-box lower body, driving shaft and driven shaft, gear-box upper body and gear-box lower body fasten and form gear-box, driving shaft upper end is positioned at outside gear-box upper body, driving shaft lower end is stretched in gear-box through gear-box upper body, driving shaft lower end is fixed with gear one, intermeshing worm and worm wheel are installed in gear-box, one end of worm screw is provided with and gear one meshed gears two, the other end of worm screw is fixed under gear-box internal by bearing, worm gear fixed cover is located on driven shaft, driven shaft lower end connects the ball valve connector for controlling ball valve opening and closing, ball valve connector runs through gear-box lower body.This drive mechanism achieves little torsion and controls the effect of big valve, manipulates more accurate.
Description
Technical field
This utility model belongs to technology of gas pipeline field, relates to a kind of gearbox drive for PE fuel gas ball valve opening and closing
Mechanism.
Background technology
The most existing PE fuel gas ball valve gear drive is a set of to be made up of two grades or three grades of drive mechanisms
The effort-saving mechanism for PE fuel gas ball valve opening and closing operations, a kind of second-stage worm gear worm screw and roller gear as disclosed in Chinese patent
The manual operating device of valve [application number 201320126495.3] of transmission, including power shaft, one end of described power shaft connects the
One worm gear, the other end is fixed with travelling gear；It is provided with the first worm screw, to drive the first worm gear to rotate on described first worm gear；
It is engaged with roller gear on described travelling gear；It is fixed with the second worm screw on described roller gear, and described second worm screw can be with
Roller gear rotates；Connect on described second worm screw and have the second worm gear；It is provided with valve connection device on described second worm gear, uses
To connect the valve of required effect, to realize being controlled the use state of valve by the first worm screw.By ball valve body size
Factor affects, and above-mentioned two grades of force saving driving mechanisms have employed more worm and gear combination, causes torque transmission inefficient, because of
This its labor-saving effect is limited；According to the requirement of standard GB/T 15558.3-2008, the operation more than 2 times of the stop requirement of strength is turned round
Square, if operation torsion is bigger than normal, is then likely to result in spacing stopping part and damages, make whole valve body produce and lost efficacy.
Summary of the invention
The problems referred to above that this utility model exists for existing technology, it is provided that a kind of tooth for PE fuel gas ball valve opening and closing
Wheel box transmission mechanism, technical problem to be solved in the utility model is: how to reduce the operation needed for fuel gas ball valve opening and closing and turns round
Power is to improve the handling of ball valve opening and closing.
The purpose of this utility model can be realized by following technical proposal: a kind of gear for PE fuel gas ball valve opening and closing
Box transmission mechanism, including gear-box upper body, gear-box lower body, driving shaft and driven shaft, under described gear-box upper body and gear-box
Body fastens and forms gear-box, it is characterised in that described driving shaft upper end is positioned at outside gear-box upper body, and described driving shaft lower end is worn
Crossing gear-box upper body and stretch in gear-box, described driving shaft lower end is fixed with gear one, is provided with and mutually nibbles in described gear-box
The worm and worm wheel closed, one end of described worm screw is provided with and described gear one meshed gears two, and the other end of described worm screw leads to
Crossing bearing and be fixed under gear-box internal, described worm gear fixed cover is located on driven shaft, described driven shaft lower end connect have for
Controlling the ball valve connector of ball valve opening and closing, described ball valve connector runs through gear-box lower body.
Operation principle for the gear case transmission mechanism of PE fuel gas ball valve opening and closing of the present utility model is as follows: logical during use
Crossing rotation driving shaft, power is passed to worm screw by pitch wheel one and gear two by driving shaft, and worm screw rotates and drives
Worm gear wheel, worm gear wheel makes the driven shaft with worm gear shaft core position rotate, and final power passes to ball valve even by driven shaft
Junctor controls ball valve opening and closing.Using one group of gear to coordinate worm and gear to realize power transmission in said structure, operation torsion passes
Pass efficiency high, only need the least operation torsion can control ball valve opening and closing, improve the handling of ball valve opening and closing, it is achieved that little
Torsion controls the function of big valve.
Above-mentioned a kind of in the gear case transmission mechanism of PE fuel gas ball valve opening and closing, described gear one and gear two are equal
For conical surface gear.This structure only needs the one group of conical surface gear direction of rotation of driving shaft to be had vertically to be changed into level, operation
Torsion transmission efficiency is high, is conducive to improving handling.
Above-mentioned a kind of in the gear case transmission mechanism of PE fuel gas ball valve opening and closing, described driving shaft upper end is fixed with
Knob.By arranging knob in driving shaft upper end, improve the convenience of rotating drive shaft, be conducive to promoting ball valve open and close controlling
Handling.
Above-mentioned a kind of in the gear case transmission mechanism of PE fuel gas ball valve opening and closing, described driven shaft upper end passes institute
Stating gear-box upper body and stretch out outside gear-box, described driven shaft stretches out the upper end outside gear-box and is provided with switch indication hat, described
Switch indication hat is provided with instruction pin.Be there is by setting the switch indication hat of instruction pin, user can be facilitated according to instruction
The direction indication of pin understands the open and-shut mode of ball valve, improves the property convenient for control of ball valve open and close controlling.
Above-mentioned a kind of in the gear case transmission mechanism of PE fuel gas ball valve opening and closing, the upper table of described gear-box upper body
Face is provided with graduation indication region, and described graduation indication region is corresponding with the instruction pin rotational angle on described switch indication hat.
By arranging graduation indication region, it is possible to make user accurately grasp ball valve opening angle, improve the manipulation of ball valve open and close controlling
Accuracy.
Above-mentioned a kind of in the gear case transmission mechanism of PE fuel gas ball valve opening and closing, described gear-box upper body and gear
The connection of case lower body is provided with sealing gasket.By arranging sealing gasket, improve the sealing of gear-box, it is possible to effectively prevent rain
Water, sewage etc. enter gear-box.
Above-mentioned a kind of in the gear case transmission mechanism of PE fuel gas ball valve opening and closing, described driving shaft with on gear-box
Body joint is provided with "O"-ring, and described driven shaft and joint, gear-box upper body are provided with "O"-ring.By arranging "O"-ring,
It is prevented from rainwater, sewage etc. in the hole of gear-box upper body, enters gear-box, above-mentioned "O"-ring cooperating teeth roller box upper body and tooth
Sealing gasket between roller box lower body makes whole gearbox seals performance be largely increased.
Above-mentioned a kind of in the gear case transmission mechanism of PE fuel gas ball valve opening and closing, sheathed limited on described driven shaft
Position block, described gear-box lower body inwall offers coordinate with described limited block and makes driven shaft rotational angle be limited to 0-90 °
Stopper slot.Cooperated by limited block and stopper slot, make the slewing area of driven shaft be limited, coordinate driven shaft upper end
Switch indication hat, it is possible to make user determine the on off state of valve accurately.
Compared with prior art, advantage of the present utility model is as follows: 1, by using two conical surface gears to coordinate composition to save
Force transmission mechanism, it is achieved that little torsion controls the effect of big valve；2, by arranging knob on driving shaft, improve operation just
Profit；3, by arranging switch indication hat on driven shaft, facilitate user accurately to grasp the switch amplitude of ball valve, promote ball valve
The accuracy of switch manipulation；4, by arranging "O"-ring and sealing gasket, improve the sealing of gear-box, effectively prevent ground
The i.e. sewage of rainwater enters in valve.
Accompanying drawing explanation
Fig. 1 is the gear case transmission mechanism detonation configuration schematic diagram for PE fuel gas ball valve opening and closing in embodiment.
Fig. 2 is the gearbox drive machine package assembly schematic diagram for PE fuel gas ball valve opening and closing in embodiment.
In figure, 1 gear-box upper body；2 gear-box lower bodies；3 driving shafts；4 driven shafts；5 gears one；6 worm screws；7 worm gears；8 teeth
Wheel two；9 bearings；10 ball valve connectors；11 knobs；12 switch indication hats；13 instruction pins；14 graduation indication regions；15 sealing gaskets；
16 "O"-rings；17 limited blocks；18 stopper slots.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
As shown in Figure 1 and Figure 2, this includes gear-box upper body 1, tooth for the gear case transmission mechanism of PE fuel gas ball valve opening and closing
Roller box lower body 2, driving shaft 3 and driven shaft 4, gear-box upper body 1 and gear-box lower body 2 fasten and form gear-box, and pass through spiral shell
Gear-box upper body 1 and gear-box lower body 2 are fixed by nail.Driving shaft 3 upper end is positioned at outside gear-box upper body 1 and driving shaft 3 upper end
Be fixed with knob 11, by installing knob 11, can free-hand rotation driving shaft 3, alleviate the power rotated needed for driving shaft 3 simultaneously,
Improve operation ease.Driving shaft 3 lower end is stretched in gear-box through gear-box upper body 1, and driving shaft 3 lower end is fixed with gear one
5, intermeshing worm gear 7 and worm screw 6 are installed in gear-box, one end of worm screw 6 is provided with and gear 1 meshed gears 28,
Gear 1 and gear 28 are conical surface gear.The other end of worm screw 6 is fixed in gear-box lower body 2 by bearing 9, driven shaft
4 upper ends are connected with worm gear 7, and driven shaft 4 lower end uses spline form to connect the ball valve connector 10 for controlling ball valve opening and closing,
Ball valve connector 10 runs through gear-box lower body 2.It should be noted that the above-mentioned bearing 9 being connected with worm screw 6 other end rolls for circular cone
Sub-bearing 9.
Specifically, driven shaft 4 upper end is through gear-box upper body 1 and stretches out outside gear-box, and driven shaft 4 stretches out outside gear-box
Upper end be provided with switch indication hat 12, switch indication hat 12 be provided with instruction pin 13, the upper surface of gear-box upper body 1 is provided with quarter
Spending indicating area 14, match with instruction pin 13 rotational angle on switch indication hat 12 in graduation indication region 14, wherein scale
The scale interval of indicating area 14 is 0-90 °, and curved setting.By arranging graduation indication region 14, it is possible to use
Person accurately grasps ball valve opening angle, improves the manipulation accuracy of ball valve open and close controlling.
In order to improve the sealing of gear-box, driving shaft 3 and joint, gear-box upper body 1 are provided with "O"-ring 16, driven shaft
4 are provided with "O"-ring 16 with joint, gear-box upper body 1；；The connection of gear-box upper body 1 and gear-box lower body 2 is provided with sealing
Pad 15.By arranging sealing gasket 15 and "O"-ring 16, it is possible to prevent rainwater, sewage etc. from entering tooth in the hole of gear-box upper body 1
Roller box, prevents from entering the water freezing in gear-box and damaging gear-box during mercury dropped.
As in figure 2 it is shown, be arranged with limited block 17 on driven shaft 4, gear-box lower body 2 inwall offer and joins with limited block 17
Close the stopper slot 18 making driven shaft 4 rotational angle be limited to 0-90 °.Cooperated by limited block 17 and stopper slot 18, make from
The slewing area of moving axis 4 is limited, and coordinates the switch indication hat 12 of driven shaft 4 upper end, it is possible to make user determine accurately
The on off state of valve.
Operation principle for the gear case transmission mechanism of PE fuel gas ball valve opening and closing of the present utility model is as follows: logical during use
Crossing rotation driving shaft 3, power is passed to worm screw 6, worm screw 6 turns by pitch wheel 1 and gear 28 by driving shaft 3
Dynamic drive worm gear 7 rotates, and worm gear 7 rotates and makes to rotate with the driven shaft 4 of worm gear 7 shaft core position, and final power is passed by driven shaft 4
Pass ball valve connector 10 to control ball valve opening and closing.Said structure uses one group of gear coordinate worm gear 7 worm screw 6 to realize power to pass
Passing, operation torsion transmission efficiency is high, only needs the least operation torsion can control ball valve opening and closing, improves the manipulation of ball valve opening and closing
Performance, it is achieved that little torsion controls the function of big valve, the reality for following Intelligent pipe net system has newly made place mat；The most whole tooth
The good seal performance of roller box, effectively extends the service life of ball valve, social benefit and business efficiency good.
Specific embodiment described herein is only to this utility model spirit explanation for example.This utility model institute
Belong to those skilled in the art described specific embodiment to make various amendment or supplement or use similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (8)
1. for the gear case transmission mechanism of PE fuel gas ball valve opening and closing, including gear-box upper body (1), gear-box lower body (2),
Driving shaft (3) and driven shaft (4), described gear-box upper body (1) and gear-box lower body (2) fasten and form gear-box, and its feature exists
In, described driving shaft (3) upper end is positioned at outside, gear-box upper body (1), and described driving shaft (3) lower end passes gear-box upper body (1)
Stretching in gear-box, described driving shaft (3) lower end is fixed with gear one (5), is provided with intermeshing snail in described gear-box
Bar (6) and worm gear (7), one end of described worm screw (6) is provided with and described gear one (5) meshed gears two (8), described worm screw
(6) the other end is fixed in gear-box lower body (2) by bearing (9), and described worm gear (7) is sheathed and is fixed on driven shaft (4)
On, described driven shaft (4) lower end connects the ball valve connector (10) for controlling ball valve opening and closing, described ball valve connector (10)
Run through gear-box lower body (2).
A kind of gear case transmission mechanism for PE fuel gas ball valve opening and closing the most according to claim 1, it is characterised in that institute
State gear one (5) and gear two (8) is conical surface gear.
A kind of gear case transmission mechanism for PE fuel gas ball valve opening and closing the most according to claim 1 and 2, its feature exists
In, described driving shaft (3) upper end is fixed with knob (11).
A kind of gear case transmission mechanism for PE fuel gas ball valve opening and closing the most according to claim 1 and 2, its feature exists
In, described driven shaft (4) upper end is through described gear-box upper body (1) and stretches out outside gear-box, and described driven shaft (4) stretches out gear
Upper end outside case is provided with switch indication hat (12), and described switch indication hat (12) is provided with instruction pin (13).
A kind of gear case transmission mechanism for PE fuel gas ball valve opening and closing the most according to claim 4, it is characterised in that institute
The upper surface stating gear-box upper body (1) is provided with graduation indication region (14), and described graduation indication region (14) refers to described switch
Show that instruction pin (13) rotational angle on cap (12) is corresponding.
A kind of gear case transmission mechanism for PE fuel gas ball valve opening and closing the most according to claim 1 and 2, its feature exists
In, the connection of described gear-box upper body (1) and gear-box lower body (2) is provided with sealing gasket (15).
A kind of gear case transmission mechanism for PE fuel gas ball valve opening and closing the most according to claim 1 and 2, its feature exists
In, described driving shaft (3) and gear-box upper body (1) joint are provided with on "O"-ring (16), described driven shaft (4) and gear-box
Body (1) joint is provided with "O"-ring (16).
A kind of gear case transmission mechanism for PE fuel gas ball valve opening and closing the most according to claim 1 and 2, its feature exists
In, described driven shaft (4) is arranged with limited block (17), described gear-box lower body (2) inwall offers and described limited block
(17) stopper slot (18) making driven shaft (4) rotational angle be limited to 0-90 ° is coordinated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620814740.3U CN205859318U (en) | 2016-07-29 | 2016-07-29 | A kind of gear case transmission mechanism for PE fuel gas ball valve opening and closing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620814740.3U CN205859318U (en) | 2016-07-29 | 2016-07-29 | A kind of gear case transmission mechanism for PE fuel gas ball valve opening and closing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859318U true CN205859318U (en) | 2017-01-04 |
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ID=57653200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620814740.3U Active CN205859318U (en) | 2016-07-29 | 2016-07-29 | A kind of gear case transmission mechanism for PE fuel gas ball valve opening and closing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205859318U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506554A (en) * | 2018-06-14 | 2018-09-07 | 中国计量大学 | A kind of manual/electric integral type PE ball valve closing devices |
| WO2020113649A1 (en) * | 2018-12-07 | 2020-06-11 | 鼎机股份有限公司 | Direct-drive valve body control device |
| CN111271506A (en) * | 2020-02-25 | 2020-06-12 | 四川精控阀门制造有限公司 | Transmission mechanism for connecting valve and actuator and pressure balance type plug valve |
| CN111778618A (en) * | 2020-06-17 | 2020-10-16 | 中国纺织科学研究院有限公司 | Three-dimensional textile driving system |
-
2016
- 2016-07-29 CN CN201620814740.3U patent/CN205859318U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506554A (en) * | 2018-06-14 | 2018-09-07 | 中国计量大学 | A kind of manual/electric integral type PE ball valve closing devices |
| WO2020113649A1 (en) * | 2018-12-07 | 2020-06-11 | 鼎机股份有限公司 | Direct-drive valve body control device |
| CN111271506A (en) * | 2020-02-25 | 2020-06-12 | 四川精控阀门制造有限公司 | Transmission mechanism for connecting valve and actuator and pressure balance type plug valve |
| CN111778618A (en) * | 2020-06-17 | 2020-10-16 | 中国纺织科学研究院有限公司 | Three-dimensional textile driving system |
| CN111778618B (en) * | 2020-06-17 | 2022-01-07 | 中国纺织科学研究院有限公司 | Three-dimensional textile driving system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Huangyan Economic Development Zone, Taizhou City, Zhejiang province 318020 Dai Xi Road No. 2 Patentee after: Ad Co.,Ltd. Address before: Huangyan Economic Development Zone, Taizhou City, Zhejiang province 318020 Dai Xi Road No. 2 Patentee before: YONGGAO Co.,Ltd. |