CN109340438A - A kind of pneumatic actuator with limit switches - Google Patents
A kind of pneumatic actuator with limit switches Download PDFInfo
- Publication number
- CN109340438A CN109340438A CN201811514236.1A CN201811514236A CN109340438A CN 109340438 A CN109340438 A CN 109340438A CN 201811514236 A CN201811514236 A CN 201811514236A CN 109340438 A CN109340438 A CN 109340438A
- Authority
- CN
- China
- Prior art keywords
- mounting base
- pneumatic actuator
- fixedly installed
- block
- limit switches
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The present invention relates to pneumatic actuator technical fields, and disclose a kind of pneumatic actuator with limit switches, including shell, the bottom of the shell is fixedly installed with the first mounting base, the internal activity of first mounting base is equipped with through the first mounting base and extends to the shaft of interior of shell, and the outside of the shaft is fixedly installed with the gear inside the first mounting base.The pneumatic actuator with limit switches, entered by gas by the air inlet that outer casing frontispiece is arranged, drive the pneumatic actuator running of interior of shell, to drive shaft to rotate, the rotation of shaft rotation driven gear, to be moved left and right with carry-over bar, to drive connecting plate to move left and right, when shaft, which rotates, limits angle, limit switches work, to stop giving air inlet air inlet, so that the pneumatic actuator can close gas in time, reduce pneumatic actuator hair into the probability of failure, is effectively increased the service life of the pneumatic actuator.
Description
Technical field
The present invention relates to pneumatic actuator technical field, specially a kind of pneumatic actuator with limit switches.
Background technique
Pneumatic actuator is the executive device with the opening and closing of air pressure power drive or control valve, but by title pneumatic actuator or
Pneumatic device, but general popular referred to as pneumatic head, pneumatic actuator are also equipped with certain auxiliary device sometimes, commonly
There are valve positioner and handwheel, the effect of valve positioner is to improve the performance of actuator using feedback principle, makes to hold
Row device can realize that accurately positioning, the effect of handwheel are when control system is because having a power failure, stopping by the control signal of controller
Gas, controller without output or when executing agency's failure, using it can direct manipulation and control valve, with maintain production it is normal into
Row.
Gas can not close existing pneumatic controller in time when in use, be easy so that event occurs for pneumatic controller
Barrier, reduces the service life of pneumatic controller, while the installation of pneumatic controller is more troublesome, is not easy to operate, so mention
A kind of pneumatic actuator with limit switches is gone out.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of pneumatic actuator with limit switches, have and be easily installed
Advantage, solving existing pneumatic controller, gas can not close in time when in use, be easy so that pneumatic controller occurs
Failure reduces the service life of pneumatic controller, while the installation of pneumatic controller is more troublesome, is not easy to asking for operation
Topic.
(2) technical solution
To realize the above-mentioned purpose being easily installed, the invention provides the following technical scheme: a kind of pneumatic execution with limit switches
Device, including shell, the bottom of the shell are fixedly installed with the first mounting base, and the internal activity of first mounting base is equipped with
Through the first mounting base and the shaft of interior of shell is extended to, the outside of the shaft is fixedly installed in the first mounting base
The gear in portion, the internal activity of first mounting base are equipped with the rack gear positioned at gear back, and rack and pinion engagement is described
It is fixedly installed with the connecting plate extended on the right side of the first mounting base on the right side of rack gear, is fixedly installed with position on the right side of the connecting plate
In the limit switches of outer casing bottom, the bottom of the shaft is fixedly installed with the link block positioned at the first mounting base bottom, described
The bottom of first mounting base is fixedly installed with the attachment base outside link block, and the inside of the link block is fixedly installed with
One stabilizing spring, the internal activity of the link block are equipped with the second mounting base positioned at the first stabilizing spring bottom, and described
The bottom of two mounting bases is movably installed with connecting shaft, and the bottom of the attachment base is fixedly installed with the bottom outside connecting shaft
Seat, the bottom of the pedestal are fixedly installed with valve pocket, and the bottom of the connecting shaft is fixedly installed with the spool inside valve pocket,
The bottom of the attachment base is fixedly installed with the fixation fixture block positioned at chassis interior, and the internal activity of the pedestal is equipped with activity
Fixture block, the outside of the active fastening block are socketed with the second stabilizing spring positioned at chassis interior, and the active fastening block is far from fixed
The side of fixture block is fixedly installed with the handle positioned at base exterior.
Preferably, cross protrusion is provided at the top of the connecting shaft, the bottom of the second mounting base offers cross
Groove, protrusion are adapted with groove, and protrusion is located at the inside of groove.
Preferably, the inner wall of the link block offers sliding slot, and the quantity of sliding slot is four, and four sliding slots are uniformly distributed in
The inner wall of link block.
Preferably, the outside of second mounting base is provided with sliding block, and the quantity of sliding block is four, and sliding block is mutually fitted with sliding slot
Match, four sliding blocks are uniformly distributed in the inside of four sliding slots.
Preferably, the inside of the pedestal offers loose slot, and the quantity of loose slot is two, loose slot and fixed fixture block
It is adapted, the quantity of fixed fixture block is two, and two fixed fixture blocks are located at the inside of two loose slots.
Preferably, the inside of the pedestal offers limit hole, and the outside of active fastening block is provided with limit plate, limit plate with
Limit hole is adapted, and limit plate is located at the inside of limit hole.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of pneumatic actuator with limit switches, have it is following the utility model has the advantages that
The pneumatic actuator with limit switches is entered by the air inlet that outer casing frontispiece is arranged by gas, drives interior of shell
Pneumatic actuator running, so that shaft be driven to rotate, shaft rotation driven gear rotation, to be moved with carry-over bar or so
It is dynamic, so that connecting plate is driven to move left and right, when shaft, which rotates, limits angle, limit switches work, to stop to air inlet
Air inlet reduces pneumatic actuator hair into the probability of failure, has so that the pneumatic actuator can close gas in time
The service life for increasing the pneumatic actuator of effect passes through ten of setting at the top of connecting shaft when installing the pneumatic actuator
The cross groove that font protrusion and the second mounting base bottom open up is kept away while increasing shaft and connecting shaft transmission stability
The case where having exempted from setup error is not only convenient for by fixed fixture block, active fastening block, the first stabilizing spring and the second stabilizing spring
The installation of the pneumatic actuator is also effectively increased the stability of the pneumatic actuator.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure enlargement diagram at A of the present invention.
In figure: 1 shell, 2 first mounting bases, 3 shafts, 4 gears, 5 rack gears, 6 connecting plates, 7 limit switches, 8 link blocks, 9
Attachment base, 10 first stabilizing springs, 11 second mounting bases, 12 connecting shafts, 13 pedestals, 14 valve pockets, 15 spools, 16 fixed fixture blocks,
17 active fastening blocks, 18 second stabilizing springs, 19 handles.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of pneumatic actuator with limit switches referring to FIG. 1-2, including shell 1, the front of shell 1 be provided with into
Stomata and venthole, shell 1 are internally provided with pneumatic actuator, and the bottom of shell 1 is fixedly installed with the first mounting base 2,
The internal activity of first mounting base 2 is equipped with through the first mounting base 2 and extends to the shaft 3 inside shell 1, outside shaft 3
Portion is fixedly installed with the gear 4 inside the first mounting base 2, and the internal activity of the first mounting base 2 is equipped with to be carried on the back positioned at gear 4
The rack gear 5 in portion, rack gear 5 are engaged with gear 4, and the right side of rack gear 5 is fixedly installed with the connecting plate for extending to 2 right side of the first mounting base
6, the right side of connecting plate 6 is fixedly installed with the limit switches 7 positioned at 1 bottom of shell, and the model HL-5030 of limit switches 7 turns
The bottom of axis 3 is fixedly installed with the link block 8 positioned at 2 bottom of the first mounting base, and the inner wall of link block 8 offers sliding slot, sliding slot
Quantity be four, four sliding slots are uniformly distributed in the inner wall of link block 8, and the bottom of the first mounting base 2, which is fixedly installed with, to be located at
Attachment base 9 outside link block 8, the inside of link block 8 are fixedly installed with the first stabilizing spring 10, the internal activity of link block 8
The second mounting base 11 positioned at 10 bottom of the first stabilizing spring is installed, the outside of the second mounting base 11 is provided with sliding block, sliding block
Quantity be four, sliding block is adapted with sliding slot, and four sliding blocks are uniformly distributed in the inside of four sliding slots, the second mounting base 11
Bottom is movably installed with connecting shaft 12, and the top of connecting shaft 12 is provided with cross protrusion, and the bottom of the second mounting base 11 opens up
There is cross groove, protrusion is adapted with groove, and protrusion is located at the inside of groove, and the bottom of attachment base 9, which is fixedly installed with, to be located at
Pedestal 13 outside connecting shaft 12, the bottom of pedestal 13 are fixedly installed with valve pocket 14, and the bottom of connecting shaft 12 is fixedly installed with position
Spool 15 inside valve pocket 14, the bottom of attachment base 9 are fixedly installed with the fixation fixture block 16 inside pedestal 13, pedestal 13
Inside offer loose slot, the quantity of loose slot is two, and loose slot is adapted with fixed fixture block 16, the number of fixation fixture block 16
Amount is two, and two fixed fixture blocks 16 are located at the inside of two loose slots, and the internal activity of pedestal 13 is equipped with active card
Block 17, the inside of pedestal 13 offer limit hole, and the outside of active fastening block 17 is provided with limit plate, and limit plate is mutually fitted with limit hole
Match, limit plate is located at the inside of limit hole, and the outside of active fastening block 17 is socketed with the second stabilizing spring inside pedestal 13
18, active fastening block 17 is fixedly installed with the handle 19 outside pedestal 13 far from the side of fixed fixture block 16, the band limit valve
The pneumatic actuator of door is entered by the air inlet of 1 front setting of shell by gas, drives the pneumatic gearing machine inside shell 1
Structure running, so that shaft 3 is driven to rotate, 3 rotation driven gear 4 of shaft rotation, to be moved left and right with carry-over bar 5, thus band
Dynamic connecting plate 6 moves left and right, and when shaft 3, which rotates, limits angle, limit switches 7 work, thus stop giving air inlet air inlet, from
And the pneumatic actuator is enabled to close gas in time, reduce pneumatic actuator hair into the probability of failure, effective increasing
The service life for having added the pneumatic actuator passes through the cross being arranged at the top of connecting shaft 12 when installing the pneumatic actuator
The cross groove that protrusion and 11 bottom of the second mounting base open up is kept away while increasing shaft 3 and 12 transmission stability of connecting shaft
The case where having exempted from setup error, by fixing fixture block 16, active fastening block 17, the first stabilizing spring 10 and the second stabilizing spring 18,
It is not only convenient for the installation of the pneumatic actuator, is also effectively increased the stability of the pneumatic actuator.
In conclusion the pneumatic actuator with limit switches, by gas by 1 front setting of shell air inlet into
Enter, drives the pneumatic actuator running inside shell 1, so that shaft 3 is driven to rotate, the rotation of 3 rotation driven gear 4 of shaft,
To be moved left and right with carry-over bar 5, so that connecting plate 6 is driven to move left and right, when shaft 3, which rotates, limits angle, limit switches 7
Work, so that the pneumatic actuator can close gas in time, reduces this and pneumatically holds to stop giving air inlet air inlet
Row device sends out the probability at failure, is effectively increased the service life of the pneumatic actuator, when installing the pneumatic actuator, leads to
It crosses the cross protrusion being arranged at the top of connecting shaft 12 and cross groove that 11 bottom of the second mounting base opens up, increases by 3 He of shaft
While 12 transmission stability of connecting shaft, the case where avoiding setup error, passes through fixed fixture block 16, active fastening block 17, first
Stabilizing spring 10 and the second stabilizing spring 18, are not only convenient for the installation of the pneumatic actuator, are also effectively increased this and pneumatically hold
The stability of row device, solving existing pneumatic controller, gas can not close in time when in use, be easy so that pneumatic control
Device processed breaks down, and reduces the service life of pneumatic controller, while the installation of pneumatic controller is more troublesome, is not easy to grasp
The problem of making.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of pneumatic actuator with limit switches, including shell (1), it is characterised in that: the bottom of the shell (1) is fixed
It is equipped with the first mounting base (2), the internal activity of first mounting base (2) is equipped with through the first mounting base (2) and extends
The shaft (3) internal to shell (1), the outside of the shaft (3) are fixedly installed with the gear internal positioned at the first mounting base (2)
(4), the internal activity of first mounting base (2) is equipped with the rack gear (5) positioned at gear (4) back, rack gear (5) and gear
(4) it engages, is fixedly installed with the connecting plate (6) extended on the right side of the first mounting base (2), the company on the right side of the rack gear (5)
The limit switches (7) positioned at shell (1) bottom are fixedly installed on the right side of fishplate bar (6), the bottom of the shaft (3) is fixedly mounted
There is the link block (8) positioned at the first mounting base (2) bottom, the bottom of first mounting base (2), which is fixedly installed with, is located at connection
The external attachment base (9) of block (8), the inside of the link block (8) is fixedly installed with the first stabilizing spring (10), the link block
(8) internal activity is equipped with the second mounting base (11) positioned at the first stabilizing spring (10) bottom, second mounting base
(11) bottom is movably installed with connecting shaft (12), and the bottom of the attachment base (9) is fixedly installed with positioned at connecting shaft (12) outside
The bottom of the pedestal (13) in portion, the pedestal (13) is fixedly installed with valve pocket (14), the fixed peace in the bottom of the connecting shaft (12)
Equipped with valve pocket (14) internal spool (15) is located at, the bottom of the attachment base (9) is fixedly installed with internal positioned at pedestal (13)
Fixation fixture block (16), the internal activity of the pedestal (13) is equipped with active fastening block (17), the active fastening block (17) it is outer
Portion is socketed with second stabilizing spring (18) internal positioned at pedestal (13), and the active fastening block (17) is far from fixed fixture block (16)
Side is fixedly installed with the handle (19) external positioned at pedestal (13).
2. a kind of pneumatic actuator with limit switches according to claim 1, it is characterised in that: the connecting shaft (12)
Top be provided with cross protrusion, the bottom of the second mounting base (11) offers cross groove, and protrusion is adapted with groove,
Protrusion is located at the inside of groove.
3. a kind of pneumatic actuator with limit switches according to claim 1, it is characterised in that: the link block (8)
Inner wall offer sliding slot, the quantity of sliding slot is four, and four sliding slots are uniformly distributed in the inner wall of link block (8).
4. a kind of pneumatic actuator with limit switches according to claim 3, it is characterised in that: second mounting base
(11) outside is provided with sliding block, and the quantity of sliding block is four, and sliding block is adapted with sliding slot, and four sliding blocks are uniformly distributed in four
The inside of sliding slot.
5. a kind of pneumatic actuator with limit switches according to claim 1, it is characterised in that: the pedestal (13)
Inside offers loose slot, and the quantity of loose slot is two, and loose slot is adapted with fixed fixture block (16), fixed fixture block (16)
Quantity is two, and two fixed fixture blocks (16) are located at the inside of two loose slots.
6. a kind of pneumatic actuator with limit switches according to claim 1, it is characterised in that: the pedestal (13)
Inside offers limit hole, and the outside of active fastening block (17) is provided with limit plate, and limit plate is adapted with limit hole, limit plate position
In the inside of limit hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811514236.1A CN109340438A (en) | 2018-12-12 | 2018-12-12 | A kind of pneumatic actuator with limit switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811514236.1A CN109340438A (en) | 2018-12-12 | 2018-12-12 | A kind of pneumatic actuator with limit switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109340438A true CN109340438A (en) | 2019-02-15 |
Family
ID=65303506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811514236.1A Pending CN109340438A (en) | 2018-12-12 | 2018-12-12 | A kind of pneumatic actuator with limit switches |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340438A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007377A (en) * | 2021-02-20 | 2021-06-22 | 浙江伯特利科技股份有限公司 | Rotary pneumatic actuator |
| CN113124192A (en) * | 2019-12-30 | 2021-07-16 | 浙江三花智能控制股份有限公司 | Electrically operated valve and water heater |
-
2018
- 2018-12-12 CN CN201811514236.1A patent/CN109340438A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113124192A (en) * | 2019-12-30 | 2021-07-16 | 浙江三花智能控制股份有限公司 | Electrically operated valve and water heater |
| CN113007377A (en) * | 2021-02-20 | 2021-06-22 | 浙江伯特利科技股份有限公司 | Rotary pneumatic actuator |
| CN113007377B (en) * | 2021-02-20 | 2023-01-31 | 浙江伯特利科技股份有限公司 | Rotary pneumatic actuator |
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