CN208750119U - A kind of big stroke angles pneumatic actuating device - Google Patents
A kind of big stroke angles pneumatic actuating device Download PDFInfo
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- CN208750119U CN208750119U CN201821437503.5U CN201821437503U CN208750119U CN 208750119 U CN208750119 U CN 208750119U CN 201821437503 U CN201821437503 U CN 201821437503U CN 208750119 U CN208750119 U CN 208750119U
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Abstract
The utility model relates to a kind of big stroke angles pneumatic actuating devices, cylinder is equipped in cabinet, piston rod is equipped in cylinder, cylinder and partition form closed gas chamber, pin shaft is vertically equipped on piston rod, pin shaft is externally provided with roll sleeve, bearing A is equipped between pin shaft and roll sleeve, piston rod and partition junction are equipped with bearing B, main shaft is equipped among cabinet, shift fork is equipped on the outside of main shaft, the upper and lower ends of main shaft extend to outside cabinet, main shaft and cabinet junction are equipped with bearing C, main shaft lower part is equipped with a pair of of spur gear wheel, spur gear wheel includes driving wheel, driving wheel is fixed on main shaft, driving wheel side is equipped with follower shaft.The utility model uses the linear motion of shifting fork mechanism cylinder switching piston for rotary motion, output shaft, which is increased, by gear drive rotates angle, when main axis angle is 90 ゜, the rotational angle of follower shaft reaches 135 ゜, meet the operation requirement for being similar to Y shape three-way valve, structure is simple, easy to use, and practicability is stronger.
Description
Technical field
The utility model belongs to valve technical field of auxiliary equipment, is related to a kind of big stroke angles pneumatic actuating device.
Background technique
Y-type three way type ball valve is in 120 ° with two through hole into 135 °, can be realized according to demand to medium flow direction switching
Two kinds of operating conditions.Y-type three way type ball valve itself is compact-sized, and leakproofness is reliable, and structure is simple, easy to maintenance, and sealing surface and spherical surface exist
Long closed state is not easy by medium erosion, and easily operated and maintenance is suitable for the general works such as water, solvent, acid and natural gas and is situated between
Matter, the medium severe suitable for operating condition, such as oxygen, hydrogen peroxide, methane and ethylene.Pneumatic actuating device is for opening and closing
Valve, conventional ± 5 ゜ of 90 ゜ of pneumatic actuating device opereating specification, not can be carried out operation then to the Special valve of 135 ゜ strokes.It is existing
Pneumatic actuating device in the market without wide-angle stroke, cannot satisfy the use demand.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of big stroke angles pneumatic actuating device, uses
The linear motion of shifting fork mechanism cylinder switching piston is rotary motion, increases output shaft by gear drive and rotates angle, main shaft
When rotational angle is 90 ゜, the rotational angle of follower shaft reaches 135 ゜, meets the operation requirement for being similar to Y shape three-way valve, knot
Structure is simple, easy to use, and practicability is stronger.
The utility model provides the following technical solution:
A kind of big stroke angles pneumatic actuating device, including cabinet, cabinet are equipped with air inlet and exhaust outlet, are equipped in cabinet
Cylinder, cylinder is interior to be equipped with piston rod, and one end of piston rod is equipped with piston, and the other end of piston rod is equipped with partition, cylinder and partition
Forming closed gas chamber, piston straight reciprocating motion in gas chamber is vertically equipped with pin shaft on piston rod, and pin shaft is externally provided with roll sleeve,
Bearing A is equipped between pin shaft and roll sleeve, piston rod and partition junction are equipped with bearing B, and main shaft, main shaft outside are equipped among cabinet
Equipped with shift fork, the upper and lower ends of main shaft are extended to outside cabinet, and main shaft and cabinet junction are equipped with C bearing, and main shaft lower part is set
There is a pair of of spur gear wheel, spur gear wheel includes driving wheel, and driving wheel is fixed on main shaft, and driving wheel side is equipped with driven wheel
Axis, driving wheel rotation, driving follower shaft rotation.
Preferably, the cylindrical surface of the roll sleeve can roll in fork slot, and transmission force is to shift fork.
In any of the above-described scheme preferably, the shift fork can be rotated clockwise centered on the centre bore of cabinet,
Torque is transmitted to main shaft.
In any of the above-described scheme preferably, the upper and lower ends of the pin shaft are equipped with retaining ring.
In any of the above-described scheme preferably, the both ends of the cylinder are sealed by acorn nut, acorn nut and spiral shell
Column connection.
In any of the above-described scheme preferably, key is equipped between the main shaft and driving wheel, driving wheel two sides are equipped with and connect
Disk.
In any of the above-described scheme preferably, the follower shaft both ends are supported by sliding bearing.
In any of the above-described scheme preferably, the bearing C includes bearing CI and bearing CII, and bearing CII is arranged in master
Axis top and cabinet junction, bearing CI are arranged in main shaft lower part and cabinet junction.
In any of the above-described scheme preferably, the cylinder includes left cylinder and right cylinder, and left cylinder and right cylinder are divided
It She You not air inlet and exhaust outlet.
Beneficial effect
The utility model provides a kind of big stroke angles pneumatic actuating device, and cabinet is equipped with air inlet and exhaust outlet, cabinet
It is interior to be equipped with cylinder, piston rod is equipped in cylinder, one end of piston rod is equipped with piston, and the other end of piston rod is equipped with partition, cylinder
Closed gas chamber is formed with partition, and piston straight reciprocating motion in gas chamber is vertically equipped with pin shaft on piston rod, and pin shaft is externally provided with
Roll sleeve is equipped with bearing A between pin shaft and roll sleeve, piston rod and partition junction are equipped with bearing B, and main shaft is equipped among cabinet, main
Shift fork is equipped on the outside of axis, the upper and lower ends of main shaft extend to outside cabinet, and main shaft and cabinet junction are equipped with bearing C, main shaft
Lower part is equipped with a pair of of spur gear wheel, and spur gear wheel includes driving wheel, and driving wheel is fixed on main shaft, and driving wheel side is equipped with
Follower shaft, driving wheel rotation, driving follower shaft rotation.The utility model uses the straight line of shifting fork mechanism cylinder switching piston
Movement is rotary motion, increases output shaft by gear drive and rotates angle, when main axis angle is 90 ゜, follower shaft
Rotational angle reaches 135 ゜, meets the operation requirement for being similar to Y shape three-way valve, and structure is simple, easy to use, practicability compared with
By force.
Detailed description of the invention
Fig. 1 is a kind of structure sectional view of a preferred embodiment of big stroke angles pneumatic actuating device of the utility model；
Fig. 2 is an another local partial structure sectional view of Fig. 1；
Fig. 3 is partial structurtes enlarged diagram at the B of Fig. 1.
Specific embodiment
In order to further appreciate that the technical characteristics of the utility model, the utility model is carried out combined with specific embodiments below
It is set forth.Embodiment only has illustrative effect to the utility model, without the effect of any restrictions, ability
The modification for any unsubstantiality that the technical staff in domain makes on the basis of the utility model, all should belong to the utility model
Protection scope.
Embodiment 1
As shown in Figure 1-Figure 3, a kind of big stroke angles pneumatic actuating device, including cabinet 1, cabinet 1 are slim-lined construction.Case
Body 1 is equipped with air inlet 2 and exhaust outlet 3, and it is two groups that air inlet 2 and exhaust outlet 3, which are divided to, realizes air inlet and exhaust respectively.It is set in cabinet 1
There is cylinder 4, piston rod 5 is equipped in cylinder 4, piston rod 5 is horizontally disposed, and one end of piston rod 5 is equipped with piston 6, and piston 6 is fixed on
On piston rod 5, the linear reciprocating motion back and forth in cylinder 4 of piston 6,
The other end of piston rod 6 is equipped with partition 7, piston 6 and the interval of partition 7 and is arranged in parallel.Cylinder 46 with 7 groups of partition
At closed gas chamber, the straight reciprocating motion in gas chamber of piston 6 is vertically equipped with pin shaft 8 on piston rod 15, and pin shaft 8 is externally provided with rolling
Set 9.Bearing A10 is equipped between pin shaft 8 and roll sleeve 9, piston rod 5 and 7 junction of partition are equipped with bearing B11, are equipped among cabinet 1
Main shaft 12 is equipped with shifting fork mechanism on the outside of main shaft 12.Shifting fork structure output torque curve parabolically grasp by shape, the switch for meeting ball valve
Make torque characteristic.The transmission efficiency of shifting fork mechanism is high, between 0.92 ∽ 0.83.
Shifting fork mechanism includes shift fork 13, and 8 both ends of pin shaft at 5 center of piston rod are equipped with roll sleeve 9, and the cylindrical surface of roll sleeve 9 is being dialled
Fork pockets rolls.Shift fork 13 is rotated centered on main shaft 12 on main shaft 12.Work as cylinder intake, gas pressure piston end surface,
Piston rod movement is pushed, the roll sleeve on pin shaft drives shift fork rotation.The upper and lower ends of main shaft 12 extend to outside cabinet 1, main shaft
12 and 1 junction of cabinet be equipped with bearing C, 12 lower part of main shaft is equipped with a pair of of spur gear wheel, and spur gear wheel includes driving wheel
14, driving wheel 14 is fixed on main shaft 12, and 14 side of driving wheel is equipped with follower shaft 15, and driving wheel 14 rotates, and drives driven wheel
Axis 15 rotates.15 both ends of follower shaft are supported by sliding bearing 16, and 15 transmission efficiency of follower shaft is up to 0.98.Flange in the bottom
Useable holder couples with valve top flange, to operate valve.
The working principle of the utility model is as follows: four air inlets 2 and exhaust outlet 3 of the utility model pneumatic actuating device
It is divided into two groups, realizes air inlet or exhaust respectively, piston 6 is pushed to move.As shown in attached drawing one, 1 left side cylinder 4 of cabinet and cabinet 1
7 two sides of the right partition set there are two air inlet 2, when injecting 0.4MPa compressed air simultaneously, compressed air push piston 6 to
Right movement.6 upper pin of piston rod rolls in fork slot, and transmission force is to shift fork 13.Shift fork 13 is centered on the centre bore of cabinet 1
It rotates clockwise, transmits torque to main shaft 12.
Driving wheel 14 rotates on main shaft 12, drives follower shaft 15, and output torque rotates counterclockwise valve rod, operates valve.
Similarly, it when 1 the right cylinder 4 of cabinet and 1 left side partition of cabinet, 7 two air inlets inject 0.4MPa compressed air simultaneously, pushes
Piston 6 moves downward.6 rotation counterclockwise of upper pin shift fork 13 of piston rod, driving wheel 14 of the transmitting torque to main shaft 12.From
Driving wheel axis 15 rotates clockwise, output torque, operates valve.
Driving wheel 14 and follower shaft 15 are spur gear wheel, and gear ratio 3/2 is main when 6 shift fork 13 of piston rod
When 12 rotational angle of axis is 90 ゜, the rotational angle of follower shaft 15 reaches 135 ゜, meets the operation for being similar to Y shape three-way valve
It is required that.
The utility model uses the linear motion of shifting fork mechanism cylinder switching piston for rotary motion, by gear drive plus
Big output shaft rotates angle, and when 12 rotational angle of main shaft is 90 ゜, the rotational angle of follower shaft 15 reaches 135, and satisfaction is similar to
The operation requirement of Y shape three-way valve, structure is simple, and easy to use, practicability is stronger.
Embodiment 2
Unlike a kind of big stroke angles pneumatic actuating device and embodiment 1, the bottom of follower shaft 15 and driving wheel 14
End is equipped with bottom cover 24, and bottom cover 24 is fixedly connected on 1 lower part of cabinet by screw 25, and the outside of follower shaft 15 and driving wheel 14 is set
There is key I17, is equipped with sliding bearing 16 on the upside of key I17.
Embodiment 3
Unlike a kind of big stroke angles pneumatic actuating device and embodiment 1, described the utility model is advanced optimized
Technical solution be that the upper and lower ends of pin shaft 8 are equipped with retaining ring 19.The both ends of cylinder 4 are sealed by acorn nut 20, lid shape spiral shell
Mother 20 and stud 21 connect.Key II22 is equipped between main shaft 12 and driving wheel 14,14 two sides of driving wheel are equipped with and connect disk 23.
Embodiment 4
Unlike a kind of big stroke angles pneumatic actuating device and embodiment 1, bearing C includes bearing CI101 and bearing
CII102, bearing CII102 setting are arranged in 1 junction of 12 top of main shaft and cabinet, bearing I 101 in 12 lower part of main shaft and cabinet
1 junction.Cylinder 4 includes left cylinder and right cylinder, and left cylinder and right cylinder are respectively equipped with air inlet and exhaust outlet.This is practical new
Multiple junctions of type are sealed by O-ring.
Claims (8)
1. a kind of big stroke angles pneumatic actuating device, including cabinet, cabinet is equipped with air inlet and exhaust outlet, is equipped with gas in cabinet
Cylinder, it is characterised in that: piston rod is equipped in cylinder, one end of piston rod is equipped with piston, and the other end of piston rod is equipped with partition, gas
Cylinder and partition form closed gas chamber, piston straight reciprocating motion in gas chamber, are vertically equipped with pin shaft, pin shaft peripheral hardware on piston rod
There is roll sleeve, bearing A is equipped between pin shaft and roll sleeve, piston rod and partition junction are equipped with bearing B, are equipped with main shaft among cabinet,
Shift fork is equipped on the outside of main shaft, the upper and lower ends of main shaft extend to outside cabinet, and main shaft and cabinet junction are equipped with bearing C, main
Axis lower part is equipped with a pair of of spur gear wheel, and spur gear wheel includes driving wheel, and driving wheel is fixed on main shaft, and driving wheel side is set
There are follower shaft, driving wheel rotation, driving follower shaft rotation.
2. big stroke angles pneumatic actuating device according to claim 1, it is characterised in that: the cylindrical surface energy of the roll sleeve
Enough to roll in fork slot, transmission force is to shift fork.
3. big stroke angles pneumatic actuating device according to claim 1, it is characterised in that: the shift fork can be with cabinet
Centre bore centered on rotate clockwise, transmit torque to main shaft.
4. big stroke angles pneumatic actuating device according to claim 1, it is characterised in that: the upper and lower ends of the pin shaft
Equipped with retaining ring.
5. big stroke angles pneumatic actuating device according to claim 1, it is characterised in that: the both ends of the cylinder pass through
Acorn nut sealing, acorn nut and Stud connection.
6. big stroke angles pneumatic actuating device according to claim 1, it is characterised in that: the main shaft and driving wheel it
Between be equipped with key, driving wheel two sides be equipped with connect disk.
7. big stroke angles pneumatic actuating device according to claim 1, it is characterised in that: the bearing C includes bearing
CI and bearing CII, bearing CII setting are connected in main shaft lower part with cabinet in main shaft top and cabinet junction, bearing CI setting
Place.
8. big stroke angles pneumatic actuating device according to claim 1, it is characterised in that: the cylinder includes left cylinder
And right cylinder, left cylinder and right cylinder are respectively equipped with air inlet and exhaust outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821437503.5U CN208750119U (en) | 2018-09-03 | 2018-09-03 | A kind of big stroke angles pneumatic actuating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821437503.5U CN208750119U (en) | 2018-09-03 | 2018-09-03 | A kind of big stroke angles pneumatic actuating device |
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| Publication Number | Publication Date |
|---|---|
| CN208750119U true CN208750119U (en) | 2019-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821437503.5U Active CN208750119U (en) | 2018-09-03 | 2018-09-03 | A kind of big stroke angles pneumatic actuating device |
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| CN (1) | CN208750119U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131379A (en) * | 2019-06-05 | 2019-08-16 | 儒拉玛特自动化技术(苏州)有限公司 | A kind of rotary motion driving device |
| CN112833210A (en) * | 2021-01-05 | 2021-05-25 | 洛阳三旋特种阀门有限公司 | High-pressure quick-opening ball valve |
-
2018
- 2018-09-03 CN CN201821437503.5U patent/CN208750119U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131379A (en) * | 2019-06-05 | 2019-08-16 | 儒拉玛特自动化技术(苏州)有限公司 | A kind of rotary motion driving device |
| CN112833210A (en) * | 2021-01-05 | 2021-05-25 | 洛阳三旋特种阀门有限公司 | High-pressure quick-opening ball valve |
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