CN116045066A - Pneumatic actuating device with switch lock function - Google Patents

Pneumatic actuating device with switch lock function Download PDF

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Publication number
CN116045066A
CN116045066A CN202310237457.3A CN202310237457A CN116045066A CN 116045066 A CN116045066 A CN 116045066A CN 202310237457 A CN202310237457 A CN 202310237457A CN 116045066 A CN116045066 A CN 116045066A
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CN
China
Prior art keywords
hole
cavity
rotating body
state
positioning
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CN202310237457.3A
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Chinese (zh)
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请求不公布姓名
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Shaanxi Lingkong Technology Co ltd
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Shaanxi Lingkong Technology Co ltd
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Priority to CN202310237457.3A priority Critical patent/CN116045066A/en
Publication of CN116045066A publication Critical patent/CN116045066A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00Means to prevent accidental or unauthorised actuation
    • F16K35/10Means to prevent accidental or unauthorised actuation with locking caps or locking bars
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00Means to prevent accidental or unauthorised actuation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Actuator (AREA)

Abstract

The application provides a pneumatic actuator with switch lock function, include: the shell body is provided with a first cavity, and the top surface of the first cavity is provided with a first positioning mechanism with a fixed end at the bottom end; the rotating mechanism comprises a rotating body, and the rotating body is rotatably arranged on the bottom surface of the first cavity through a first rotating shaft; the rotating body is provided with a first hole groove with the axis direction being the first direction; the first positioning mechanism is provided with a first state and a second state, and in the first state, the bottom surface of the fixed end is in butt joint with the top surface of the rotating body; in the second state, the fixed end is inserted into the first hole groove; the first driving mechanism is connected with the rotating body and used for driving the rotating body to rotate so as to drive the first positioning mechanism to switch between a first state and a second state; this scheme has set up positioning mechanism in pneumatic executive device, has avoided locating positioning mechanism outside the device, when releasing the location, does not need to dismantle outside valve, has reduced the time cost of operation, and the operation is more convenient.

Description

Pneumatic actuating device with switch lock function
Technical Field
The application relates to the technical field of aerospace valves, in particular to a pneumatic execution device with a switch lock function.
Background
In the space valve, key components such as a valve on an engine and the like mostly adopt pneumatic execution devices, and the pneumatic execution devices driven by high-pressure nitrogen or helium are safer compared with an electric explosion execution mechanism;
in the prior art, one end of the pneumatic execution device is usually connected with the valve flange, in order to avoid using nitrogen gas for a long time to keep the pneumatic execution device at an opening position, a positioning pin is usually arranged on the valve and the flange gasket outside the pneumatic execution device, the pneumatic execution device is kept at an opening state by using the positioning pin, when the positioning is released, the isolation valve is required to be detached firstly when the pneumatic execution device is closed, then the positioning pin is reset, and the time cost for detaching and installing is overlarge.
Disclosure of Invention
In view of the foregoing drawbacks and deficiencies of the prior art, the present application is directed to a pneumatic actuator having a switch lock function, comprising:
the shell comprises a shell body, wherein a first cavity is arranged in the shell body, a first positioning mechanism is arranged on the top surface of the first cavity, and the bottom end of the first positioning mechanism is provided with a fixed end;
the rotating mechanism comprises a rotating body, and the rotating body is rotatably arranged on the bottom surface of the first cavity through a first rotating shaft; the rotating body is provided with a first hole groove, and the axial direction of the first hole groove is a first direction;
the first positioning mechanism is provided with a first state and a second state, and when the first state is adopted, the bottom surface of the fixed end is abutted with the top surface of the rotating body; when in the second state, the fixed end is inserted into the first hole groove;
the first driving mechanism is connected with the rotating body and used for driving the rotating body to rotate so as to drive the first positioning mechanism to switch between the first state and the second state.
According to the technical scheme that this application embodiment provided, first cavity top surface has first through-hole, first positioning mechanism includes:
one end of the first positioning rod penetrates through the first through hole, the other end of the first positioning rod is arranged in the first cavity, and the fixed end is arranged on the side, away from the first through hole, of the first positioning rod;
the limiting plate is arranged at the end, away from the first through hole, of the first positioning rod and sleeved on the outer wall of the first positioning rod;
the first elastic component is sleeved outside the first positioning rod, one end of the first elastic component is abutted with the inner wall of the first cavity, and the other end of the first elastic component is abutted with the limiting plate.
According to the technical scheme provided by the embodiment of the application, the first driving mechanism comprises:
the driving rod penetrates through the side wall of the shell body, one end of the driving rod is connected with the rotating body, and a first groove is formed at the end far away from the rotating body;
the driving assembly is arranged on one side of the shell body along a second direction and is used for supplying air into the first groove to push the driving rod to move along the second direction, and the second direction is perpendicular to the first direction.
According to the technical scheme provided by the embodiment of the application, the side, away from the rotating body, of the driving rod is provided with a second through hole, and the axial direction of the second through hole is the first direction; the second positioning mechanism is arranged close to the second through hole side and is provided with a locking end, the second positioning mechanism is used for locking the driving rod before supplying air to the first groove, the second positioning mechanism is provided with a third state and a fourth state, when the second positioning mechanism is in the third state, the locking end is inserted into the second through hole, and when the second positioning mechanism is in the fourth state, the locking end is far away from the second through hole.
According to the technical scheme that this application embodiment provided, still include the second casing, the second casing is followed the second direction is located shell body one end, be equipped with the second cavity in the second casing, the second cavity with first cavity communicates with each other, the actuating lever is kept away from rotate the body side and locate the second cavity.
According to the technical scheme provided by the embodiment of the application, the bottom surface of the second cavity is provided with a third through hole, and the second positioning mechanism comprises:
one end of the second positioning rod penetrates through the third through hole, the other end of the second positioning rod is arranged on the side far away from the second cavity, and a first lower pressing plate is arranged on the side, close to the third through hole, of the first positioning rod;
the limiting seat is arranged at the end, away from the third through hole, of the second positioning rod;
the second elastic component is sleeved outside the second positioning rod, one end of the second elastic component is abutted to the first lower pressing plate, and the other end of the second elastic component is abutted to the limiting seat.
According to the technical scheme that this application embodiment provided, be equipped with first opening on the rotating body, first opening is kept away from first pivot, the actuating lever is close to rotating body side is equipped with first screw hole, runs through first screw hole with first opening is equipped with first screw rod.
According to the technical scheme provided by the embodiment of the application, the device further comprises a first guide assembly, the first guide assembly is arranged outside the first elastic assembly, one end of the first guide assembly is fixed on the top surface of the inner wall of the first cavity, and the first guide assembly is used for limiting the moving path of the first positioning rod.
According to the technical scheme provided by the embodiment of the application, the device further comprises a second guide assembly, the second guide assembly is arranged outside the second elastic assembly, one end of the second guide assembly is fixed to the outer wall of the second shell, the other end of the second guide assembly is fixed to the limiting seat, and the second guide assembly is used for limiting the moving path of the second positioning rod.
According to the technical scheme that this application embodiment provided, the second casing is kept away from the shell body side is equipped with the second screw hole, the axis direction of second screw hole is the second direction, the second screw hole is kept away from the second cavity side is equipped with sealed interface, sealed interface one end with second screw hole spiro union, the other end is connected with drive assembly.
In summary, the application provides a pneumatic execution device with a switch lock function, which comprises a housing body with a first cavity, wherein a first positioning mechanism is arranged at the top of the housing body, a fixed end is arranged at the bottom end of the first positioning mechanism, the first positioning mechanism has a first state and a second state, a rotating body is rotatably arranged on the bottom surface of the first cavity, and a first hole groove is formed in the rotating body; the first determining mechanism is connected with the rotating body; when the rotary body is in use, the first driving mechanism drives the rotary body to rotate, the first positioning mechanism is driven to switch between a first state and a second state, the fixed end is abutted against the rotary body when in the first state, and the fixed end is inserted into the first hole groove when in the second state; this scheme has set up positioning mechanism in pneumatic executive device, has avoided locating positioning mechanism outside the device, when releasing the location, does not need to dismantle outside valve, has reduced the time cost of operation, and the operation is more convenient.
Drawings
Fig. 1 is a top view of a pneumatic actuator with a switch lock function according to an embodiment of the present disclosure;
FIG. 2 is a front cross-sectional view of a pneumatic actuator with a switch lock according to an embodiment of the present disclosure;
FIG. 3 is a front view of a pneumatic actuator with a switch lock according to an embodiment of the present disclosure;
FIG. 4 is a side cross-sectional view of a pneumatic actuator with a switch lock feature according to an embodiment of the present application;
fig. 5 is a top view of a rotating mechanism according to an embodiment of the present disclosure.
The text labels in the figures are expressed as:
1. a housing body; 11. a first cover plate; 12. a first cavity; 2. a rotating mechanism; 21. rotating the body; 211. a first hole groove; 212. a first opening; 22. a first rotating shaft; 3. a first positioning mechanism; 31. a first positioning rod; 32. a limiting plate; 33. a first elastic component; 34. a first guide assembly; 4. a first driving mechanism; 41. a driving rod; 411. a first groove; 412. a second groove; 413. a second through hole; 414. a first threaded hole; 5. a second positioning mechanism; 51. a second positioning rod; 52. a limit seat; 53. a second elastic component; 54. a first lower pressure plate; 55. a second guide assembly; 56. a seal assembly; 6. a second housing; 61. a second cavity; 7. a first screw; 8. sealing the interface.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As mentioned in the background art, to the problems in the prior art, the present application proposes a pneumatic execution device with a switch lock function, including:
the shell comprises a shell body 1, wherein a first cavity 12 is arranged in the shell body 1, a first positioning mechanism 3 is arranged on the top surface of the first cavity 12, and a fixed end is arranged at the bottom end of the first positioning mechanism 3;
a rotating mechanism 2, wherein the rotating mechanism 2 comprises a rotating body 21, and the rotating body 21 is rotatably arranged on the bottom surface of the first cavity 12 through a first rotating shaft 22; the rotating body 21 is provided with a first hole slot 211, and the axial direction of the first hole slot 211 is a first direction;
the first positioning mechanism 3 has a first state and a second state, and when in the first state, the bottom surface of the fixed end is abutted with the top surface of the rotating body 21; when in the second state, the fixed end is inserted into the first hole slot 211;
a first driving mechanism 4, the first driving mechanism 4 is connected with the rotating body 21, the first driving mechanism 4 is used for driving the rotating body 21 to rotate so as to drive the first positioning mechanism 3 to switch between the first state and the second state;
in certain specific scenarios, please refer to the case body 1 shown in fig. 3, the case body 1 is cylindrical, the top surface of the case body 1 along the first direction is provided with a second opening, the second opening is a circular opening, a detachable first cover plate 11 is arranged to cover the second opening, and the first cover plate 11 is in threaded connection with the case body 1;
referring to the rotating mechanism 2 shown in fig. 5, the extending direction of the first rotating shaft 22 is the first direction, the first direction is the vertical direction, a first bearing is disposed at a connection portion between the first rotating shaft 22 and the top surface of the housing body 1, the rotating body 21 is sleeved on a side of the first rotating shaft 22 near the bottom surface of the first cavity 12, the rotating body 21 is in an umbrella-shaped structure, and the first hole slot 211 is disposed on a side of the rotating body 21, which is an umbrella cap;
when the first positioning mechanism 3 is in the first state, the rotating body 21 can continue to rotate, and when the first positioning mechanism 3 is in the second state, the position of the rotating body 21 is fixed and cannot continue to rotate;
in summary, the first driving mechanism 4 drives the rotating body 21 to rotate, and when the rotating angle of the rotating body 21 does not reach 90 degrees, the first positioning mechanism 3 is in an abutting state with the rotating body 21, and is in the first state, and at this time, the rotating body 21 can still continue to rotate; when the rotation angle of the rotation body 21 reaches 90 degrees under the action of the first driving mechanism 4, the first hole slot 211 moves to the position right below the first positioning mechanism 3, the fixed end of the first positioning mechanism 3 is inserted into the first hole slot 211, the rotation body 21 is fixed and cannot rotate continuously under the blocking of the fixed end, the first driving mechanism 4 connected with the rotation body 21 is fixed and cannot move continuously, and the pneumatic execution device is always in an open state; compared with the prior art, when the pneumatic execution device is closed, the first positioning mechanism 3 can be directly lifted away from the first hole slot 211 by directly utilizing external drive, and the rotating body 21 can continue to rotate without detaching the external valve; this scheme has set up positioning mechanism in pneumatic executive device, has avoided locating positioning mechanism outside the device, when releasing the location, does not need to dismantle outside valve, has reduced the time cost of operation, and the operation is more convenient.
In a preferred embodiment, the top surface of the first cavity 12 has a first through hole, and the first positioning mechanism 3 includes:
a first positioning rod 31, wherein one end of the first positioning rod 31 passes through the first through hole, the other end of the first positioning rod 31 is arranged in the first cavity 12, and the fixed end is arranged on the side, away from the first through hole, of the first positioning rod 31;
the limiting plate 32 is arranged at the end, far away from the first through hole, of the first positioning rod 31, and is sleeved on the outer wall of the first positioning rod 31;
the first elastic component 33 is sleeved outside the first positioning rod 31, one end of the first elastic component 33 is abutted against the inner wall of the first cavity 12, and the other end of the first elastic component is abutted against the limiting plate 32;
in certain specific scenarios, please refer to the first positioning mechanism 3 shown in fig. 4, the extending direction of the first positioning rod 31 is the vertical direction, the end of the first positioning rod 31 away from the first through hole is the fixed end, and the limiting plate 32 is a circular plate; optionally, the first elastic component 33 is a spring, and the first elastic component 33; when the first positioning mechanism 3 is in the first state, the first positioning rod 31 abuts against the rotating body 21, the first positioning rod 31 moves upwards along the vertical direction, the spring is in a compressed state, and the rotating body 21 can rotate under the drive of the first driving mechanism 4; when the first hole slot 211 of the rotating body 21 rotates to be coincident with the axis of the first positioning rod 31, the first elastic component 33 is in a force releasing state, and the first elastic component 33 pushes the limiting plate 32 to drive the first positioning rod 31 to move along the vertical direction, and insert into the first hole slot 211.
In a preferred embodiment, the first driving mechanism 4 comprises:
the driving rod 41 passes through the side wall of the housing body 1, one end of the driving rod 41 is connected with the rotating body 21, and a first groove 411 is arranged at the end far away from the rotating body 21;
the driving component is arranged on one side of the shell body 1 along a second direction, and is used for supplying air into the first groove 411 to push the driving rod 41 to move along the second direction, and the second direction is perpendicular to the first direction;
in some specific scenarios, please refer to the first driving mechanism 4 shown in fig. 2, the extending direction of the driving rod 41 is a second direction, and the second direction is a horizontal direction; the first groove 411 is a circular groove, a second groove 412 is further formed on the side, close to the rotating body 21, of the first groove 411, the second groove 412 is a cylindrical groove, and the first groove 411 is communicated with the second groove 412; the driving assembly is an air cylinder, compressed nitrogen is introduced into the first groove 411 by the air cylinder, the driving rod 41 is pushed by the compressed air pressure to move towards the side close to the rotating body 21 along the horizontal direction, and the rotating body 21 is driven by the driving rod 41 to rotate along the first rotating shaft 22.
In a preferred embodiment, the driving rod 41 is provided with a second through hole 413 on a side away from the rotating body 21, and an axial direction of the second through hole 413 is the first direction; a second positioning mechanism 5 is arranged near the second through hole 413, the second positioning mechanism 5 is provided with a locking end, the second positioning mechanism 5 is used for locking the driving rod 41 before supplying air to the first groove 411, the second positioning mechanism 5 has a third state and a fourth state, when the second positioning mechanism 5 is in the third state, the locking end is inserted into the second through hole 413, and when the second positioning mechanism 5 is in the fourth state, the locking end is far away from the second through hole 413;
in some specific situations, please refer to the second positioning mechanism 5 shown in fig. 2, the axial direction of the second through hole 413 is the vertical direction, when the second positioning mechanism 5 is in the third state, the pneumatic performing decoration is in the inactive air supply stage, and the driving rod 41 is locked and cannot move along the horizontal direction; when the second positioning mechanism 5 is in the fourth state, the compressed nitrogen is introduced into the first groove 411 by the air cylinder, the second positioning mechanism 5 moves along the vertical direction under the action of the compressed nitrogen, the driving rod 41 is unlocked, and the driving rod 41 can move along the horizontal direction under the action of the compressed nitrogen.
In a preferred embodiment, the device further includes a second housing 6, the second housing 6 is disposed at one end of the housing body 1 along the second direction, a second cavity 61 is disposed in the second housing 6, the second cavity 61 is communicated with the first cavity 12, and the driving rod 41 is disposed in the second cavity 61 away from the rotating body 21;
in some specific cases, please refer to the second housing 6 shown in fig. 3, the second housing 6 is a cylindrical housing with an axis in the horizontal direction, and the driving rod 41 has the first groove 411 and the second groove 412 disposed at the end of the second cavity 61.
In a preferred embodiment, the bottom surface of the second cavity 61 has a third through hole, and the second positioning mechanism 5 includes:
a second positioning rod 51, wherein one end of the second positioning rod 51 passes through the third through hole, the other end of the second positioning rod 51 is arranged on the side far away from the second cavity 61, and the first positioning rod 31 is provided with a first lower pressing plate 54 on the side close to the third through hole;
the limiting seat 52 is arranged at the end, far away from the third through hole, of the second positioning rod 51, and the limiting seat 52 is arranged at the end, far away from the third through hole, of the second positioning rod 51;
the second elastic component 53 is sleeved outside the second positioning rod 51, one end of the second elastic component 53 is abutted against the first lower pressing plate 54, and the other end of the second elastic component is abutted against the limiting seat 52;
in some specific situations, referring to the second positioning mechanism 5 shown in fig. 2, the second positioning rod 51 is provided with the locking end near the third through hole end, and the first lower pressing plate 54 is a circular plate; the second elastic component 53 is a spring; the limiting seat 52 is provided with a third groove, the opening of the third groove faces the second shell 6, and the second positioning rod 51 and the second elastic component 53 can be embedded into the third groove; when the second positioning mechanism 5 is in the third state, the second elastic component 53 is in a force releasing state, the first lower pressing plate 54 abuts against the outer wall of the second housing 6, the second positioning rod 51 penetrates through the third through hole and then is inserted into the second through hole 413, and the driving rod 41 cannot move along the horizontal direction under the constraint of the second positioning rod 51; after the compressed nitrogen is introduced into the first groove 411 by the air cylinder, the compressed nitrogen provides pressure for the second positioning rod 51 in a vertical direction, the second positioning rod 51 is far away from the second through hole 413 in the vertical direction, the first lower pressing plate 54 moves to the limiting seat 52, the second elastic component 53 is in a force storage state, at this time, the second positioning mechanism 5 is in the third state, and the driving rod 41 is separated from the constraint of the second positioning rod 51 and moves along the horizontal direction under the driving of the compressed nitrogen.
In a preferred embodiment, the rotating body 21 is provided with a first opening 212, the first opening 212 is far away from the first rotating shaft 22, the driving rod 41 is provided with a first threaded hole 414 near the rotating body 21, and a first screw 7 is arranged through the first threaded hole 414 and the first opening 212;
in some specific scenarios, please refer to the rotating body 21 shown in fig. 2, the first opening 212 is a bar-shaped opening, the first opening 212 is far away from the first positioning mechanism 3, the axis of the first threaded hole 414 is in the vertical direction, and the driving rod 41 is disposed above the rotating body 21 along the vertical direction; the first screw 7 disposed on the side of the first opening 212 is in a smooth spherical shape, the inner wall of the first opening 212 abuts against the first screw 7, and the outer wall of the first screw 7 disposed at the first threaded hole 414 has an external thread and is screwed with the first threaded hole 414.
In a preferred embodiment, the device further includes a first guiding component 34, where the first guiding component 34 is disposed outside the first elastic component 33, and one end of the first guiding component 34 is fixed to the top surface of the inner wall of the first cavity 12, and the first guiding component 34 is used to define a moving path of the first positioning rod 31;
in some specific scenarios, please refer to the first guide assembly 34 shown in fig. 2, the first guide assembly 34 has a first channel, the inner wall of the first channel abuts against the first elastic assembly 33 and the limiting plate 32, and the inner diameter of the first guide assembly 34 is larger than the outer diameter of the first through hole.
In a preferred embodiment, the device further includes a second guiding component 55, where the second guiding component 55 is disposed outside the second elastic component 53, and one end of the second guiding component 55 is fixed to the outer wall of the second housing 6, and the other end is fixed to the limiting seat 52, and the second guiding component 55 is used to define a moving path of the second positioning rod 51;
in some specific scenarios, please refer to the second guiding component 55 shown in fig. 2, the second guiding component 55 has a second channel, the inner wall of the second channel abuts against the second elastic component 53 and the first lower pressing plate 54, and the second guiding component 55 is embedded into the third through hole away from the second housing 6; a fourth groove is formed in the side, close to the second guide assembly 55, of the first lower pressing plate 54, and the fourth groove is an annular groove;
the sealing assembly 56 is used for ensuring the tightness of the second cavity 61, preventing the compressed nitrogen from leaking from the second channel and ensuring that the compressed nitrogen drives the second guide rod to move downwards along the vertical direction.
In a preferred embodiment, a second threaded hole is formed in the side, away from the housing body 1, of the second housing 6, the axial direction of the second threaded hole is the second direction, a sealing interface 8 is formed in the side, away from the second cavity 61, of the second threaded hole, one end of the sealing interface 8 is in threaded connection with the second threaded hole, and the other end of the sealing interface is connected with the driving assembly;
in some specific scenarios, please refer to the sealing interface 8 shown in fig. 1, the cylinder is disposed on the side of the sealing interface 8 away from the second cavity 61, and a first space is disposed between the driving rod 41 and the sealing joint, and the first space is used for introducing the compressed nitrogen.
Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. The foregoing is merely a preferred embodiment of the present application, and it should be noted that, due to the limited nature of text, there is an objectively infinite number of specific structures, and that, to those skilled in the art, several improvements, modifications or changes can be made, and the above technical features can be combined in a suitable manner, without departing from the principles of the present invention; such modifications, variations and combinations, or the direct application of the concepts and aspects of the invention in other applications without modification, are intended to be within the scope of this application.

Claims (10)

1. A pneumatic actuator having a switch lock function, comprising:
the novel portable electronic device comprises a housing body (1), wherein a first cavity (12) is arranged in the housing body (1), a first positioning mechanism (3) is arranged on the top surface of the first cavity (12), and a fixed end is arranged at the bottom end of the first positioning mechanism (3);
the rotating mechanism (2), the rotating mechanism (2) comprises a rotating body (21), and the rotating body (21) is rotatably arranged on the bottom surface of the first cavity (12) through a first rotating shaft (22); the rotating body (21) is provided with a first hole groove (211), and the axial direction of the first hole groove (211) is a first direction;
the first positioning mechanism (3) is provided with a first state and a second state, and when the first state is adopted, the bottom surface of the fixed end is abutted with the top surface of the rotating body (21); when in the second state, the fixed end is inserted into the first hole groove (211);
the first driving mechanism (4), first driving mechanism (4) with rotating body (21) is connected, first driving mechanism (4) are used for driving rotating body (21) rotates, in order to drive first positioning mechanism (3) switch between first state and second state.
2. The pneumatic actuator with a switch lock function of claim 1, wherein: the top surface of the first cavity (12) is provided with a first through hole, and the first positioning mechanism (3) comprises:
the first positioning rod (31) passes through the first through hole at one end, the other end of the first positioning rod (31) is arranged in the first cavity (12), and the fixed end is arranged on the side, far away from the first through hole, of the first positioning rod (31);
the limiting plate (32) is arranged at the end, far away from the first through hole, of the first positioning rod (31), and is sleeved on the outer wall of the first positioning rod (31);
the first elastic component (33), the first elastic component (33) is sleeved outside the first positioning rod (31), one end of the first elastic component is abutted with the inner wall of the first cavity (12), and the other end of the first elastic component is abutted with the limiting plate (32).
3. The pneumatic actuator with a switch lock function of claim 1, wherein: the first driving mechanism (4) includes:
the driving rod (41) penetrates through the side wall of the shell body (1), one end of the driving rod (41) is connected with the rotating body (21), and a first groove (411) is formed in the end, far away from the rotating body (21);
the driving assembly is arranged on one side of the shell body (1) along a second direction and is used for supplying air into the first groove (411) to push the driving rod (41) to move along the second direction, and the second direction is perpendicular to the first direction.
4. A pneumatic actuator with a switch lock function as claimed in claim 3, wherein: a second through hole (413) is arranged on the side, far away from the rotating body (21), of the driving rod (41), and the axial direction of the second through hole (413) is the first direction; be close to second through-hole (413) side is equipped with second positioning mechanism (5), second positioning mechanism (5) are equipped with the locking end, second positioning mechanism (5) are used for before to first recess (411) air feed locking actuating lever (41), second positioning mechanism (5) have third state and fourth state, work as second positioning mechanism (5) are in when the third state, the locking end inserts in second through-hole (413), work as when being in the fourth state, the locking end is kept away from second through-hole (413).
5. A pneumatic actuator with a switch lock function as claimed in claim 3, wherein: the novel portable electric power tool further comprises a second shell (6), the second shell (6) is arranged at one end of the shell body (1) along the second direction, a second cavity (61) is arranged in the second shell (6), the second cavity (61) is communicated with the first cavity (12), and the driving rod (41) is arranged at the second cavity (61) away from the rotating body (21) side.
6. The pneumatic actuator with a switch lock function of claim 4, wherein: the bottom surface of the second cavity (61) is provided with a third through hole, and the second positioning mechanism (5) comprises:
the second positioning rod (51), one end of the second positioning rod (51) passes through the third through hole, the other end of the second positioning rod is arranged at the side far away from the second cavity (61), and the side, close to the third through hole, of the first positioning rod (31) is provided with a first lower pressing plate (54);
the limiting seat (52) is arranged at the end, far away from the third through hole, of the second positioning rod (51);
the second elastic component (53) is sleeved outside the second positioning rod (51), one end of the second elastic component (53) is abutted with the first lower pressing plate (54), and the other end of the second elastic component is abutted with the limiting seat (52).
7. A pneumatic actuator with a switch lock function as claimed in claim 3, wherein: be equipped with first opening (212) on rotating body (21), first opening (212) are kept away from first pivot (22), actuating lever (41) are close to rotating body (21) side is equipped with first screw hole (414), runs through first screw hole (414) with first opening (212) are equipped with first screw rod (7).
8. A pneumatic actuator with a switch lock function as claimed in claim 3, wherein: the device further comprises a first guide assembly (34), wherein the first guide assembly (34) is arranged outside the first elastic assembly (33), one end of the first guide assembly (34) is fixed on the top surface of the inner wall of the first cavity (12), and the first guide assembly (34) is used for limiting the moving path of the first positioning rod (31).
9. The pneumatic actuator with a switch lock function of claim 6, wherein: the device further comprises a second guide assembly (55), the second guide assembly (55) is arranged outside the second elastic assembly (53), one end of the second guide assembly (55) is fixed to the outer wall of the second shell (6), the other end of the second guide assembly is fixed to the limiting seat (52), and the second guide assembly (55) is used for limiting the moving path of the second positioning rod (51).
10. The pneumatic actuator with a switch lock function of claim 5, wherein: the second shell (6) is far away from the side of the shell body (1) and is provided with a second threaded hole, the axis direction of the second threaded hole is the second direction, the side of the second threaded hole, which is far away from the second cavity (61), is provided with a sealing interface (8), one end of the sealing interface (8) is in threaded connection with the second threaded hole, and the other end of the sealing interface is connected with the driving assembly.
CN202310237457.3A 2023-03-14 2023-03-14 Pneumatic actuating device with switch lock function Pending CN116045066A (en)

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