CN113921300A - Electric and manual quick switching device for actuating mechanism - Google Patents
Electric and manual quick switching device for actuating mechanism Download PDFInfo
- Publication number
- CN113921300A CN113921300A CN202111282828.7A CN202111282828A CN113921300A CN 113921300 A CN113921300 A CN 113921300A CN 202111282828 A CN202111282828 A CN 202111282828A CN 113921300 A CN113921300 A CN 113921300A
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- China
- Prior art keywords
- connecting piece
- electric
- manual
- active connecting
- center pin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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Abstract
The invention relates to an electric and manual quick switching device of an actuating mechanism, which comprises an actuated element and the actuating mechanism connected with the actuated element, wherein the actuated element and the actuating mechanism are connected through an electric and manual quick switching mechanism. The invention can adopt manual rapid operation to be executed element action in the fault (or power loss and air loss) state of the executing mechanism, compared with the executing mechanism with the manual function, the invention has the characteristics of reducing operation flow in emergency, shortening operation time, recovering to the electric state after manually resetting and withdrawing the operation handle, and the electric-to-manual rapid switching operating device of the executing mechanism can be provided with a detection element according to the requirement, display the current state in real time, realize manual and electric interlocking, prevent misoperation and protect the safety of operators.
Description
The technical field is as follows:
the invention relates to the technical field of actuating mechanisms, in particular to an electric and manual quick switching device for an actuating mechanism.
Background art:
at present, as shown in fig. 1, a special operating handle 1 must be inserted into an actuator during manual operation of a conventional actuator, the handle is swung in a specific direction to drive the actuator to operate, and then the actuator drives an executed element to act.
The invention content is as follows:
the invention provides a quick switching device for electric and manual operation of an actuating mechanism, aiming at overcoming the defects in the prior art, and the quick switching device can quickly separate the transmission connection between the actuating mechanism and an actuated element and quickly and manually operate the actuated element.
The invention is realized by the following technical scheme:
an electric and manual fast switching device of an actuating mechanism comprises an actuated element and an actuating mechanism connected with the actuated element, the actuated element and the actuating mechanism are connected through an electric and manual fast switching mechanism, the electric and manual fast switching mechanism comprises an active connecting piece, a passive connecting piece, a center pin and a plug-in type handle, the active connecting piece is fixed with an output shaft of the actuating element, two sides of the active connecting piece are correspondingly provided with guide grooves penetrating through the wall thickness of the active connecting piece, the center pin is arranged in the active connecting piece and elastically extends and retracts through a spring, the center pin can ascend and descend along the guide grooves, the passive connecting piece is fixed with a valve core in the actuated element, the passive connecting piece is correspondingly arranged below the active connecting piece, two sides of the passive connecting piece are provided with slots penetrating through the wall thickness of the passive connecting piece and being capable of being embedded into two ends of the center pin, one end of the plug-in type handle is provided with a plug-in block which can be plugged in and penetrates through the two slots, and the plug-in block can push the center pin to move upwards to realize electric and manual switching.
In the manual operation process, in order to avoid the danger caused by the simultaneous execution of the electric operation due to misoperation, the invention designs a special interlocking structure.
Specifically, the top end face of the insert block is higher than the bottom end face of the active connecting piece, an arc-shaped interlocking groove corresponding to the cylinder wall of the active connecting piece is formed in the top face and/or the bottom face of one end of the insert block, two ends of the arc-shaped interlocking groove penetrate through two side faces of the insert block, when the insert block rotates, the cylinder wall of the active connecting piece can be embedded into the arc-shaped interlocking groove and moves relatively along the arc-shaped interlocking groove, a slope face inclining downwards is formed in the top face and/or the bottom face of the other end of the insert block, and the height of the slope face is lower than the height of the bottom end face of the active connecting piece.
In order to accurately sense whether the center pin is in a manual operation state, an arc-shaped signal detection block is fixed outside the center pin, the arc-shaped signal detection block is sleeved outside the active connecting piece, and a proximity switch corresponding to the arc-shaped signal detection block is arranged on one side of the arc-shaped signal detection block.
In order to position the plug-in type handle and avoid shaking front and back in the rotating process of the plug-in type handle, a positioning needle is arranged in the center pin, the spring sleeve is arranged outside the positioning needle, the center pin drives the positioning needle to realize elastic expansion through the spring, the bottom end of the positioning needle penetrates through the bottom surface of the active connecting piece, and a positioning hole which can be embedded into the bottom end of the positioning needle is formed in the plug block.
In order to facilitate the installation of each element, the actuated element and the actuating mechanism are fixed through a bracket.
In order to accurately control the rotation range of the executed element, a limiting rod for limiting the rotation range of the plug-in type handle is fixed on the bracket; the limiting rod comprises an initial state limiting rod and a final state limiting rod.
The invention has the beneficial effects that: this electronic and manual quick switching device actuating mechanism of actuating mechanism can adopt manual quick operation to be acted by actuating element under actuating mechanism trouble (or lose the electricity, lose gas) state, compare with actuating mechanism from taking manual function, have and reduce the operation procedure under emergency situation, shorten operating time, withdraw operating handle after the manual reset and can resume the characteristic to the electric state, the electronic to manual quick switching operating device of actuating mechanism can install detecting element as required, show current state in real time, realize manual, electronic interlocking, prevent the maloperation, protection operating personnel safety.
Description of the drawings:
FIG. 1 is a schematic perspective view of an electric/manual switching device of an actuator in the prior art;
FIG. 2 is a schematic perspective view of the electric and manual fast switching device of the actuator according to the present invention;
FIG. 3 is a schematic structural diagram of the electric and manual quick switching mechanism of the present invention in a non-handle state;
FIG. 4 is a schematic structural diagram of the active and passive connectors of the present invention;
FIG. 5 is a schematic view of the construction of the center pin of the present invention;
FIG. 6 is a schematic structural diagram of the electric and manual quick switching mechanism of the present invention in a state with a handle;
fig. 7 is a schematic perspective view of the plug-in handle of the present invention.
The specific implementation mode is as follows:
the following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the invention. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.
As shown in fig. 2, the actuator electric and manual fast switching device comprises an actuated element 3 mounted at the bottom end of a bracket 4 and an actuator 2 mounted at the top end of the bracket, wherein the actuated element 3 and the actuator 2 are connected through the electric and manual fast switching device.
The electric and manual quick switching mechanism comprises an active connecting piece 5, a passive connecting piece 6, a center pin and a plug-in type handle 7, wherein the active connecting piece 5 is of a cylindrical hollow structure, the top end of the active connecting piece 5 is fixed with an output shaft of the actuating mechanism 2, the passive connecting piece 6 is also of a cylindrical hollow structure, the outer diameter of the passive connecting piece is the same as the outer diameter of the active connecting piece 5 and is correspondingly arranged below the active connecting piece 5, the top surface of the passive connecting piece 6 is attached to the bottom surface of the active connecting piece 5, the bottom end of the passive connecting piece 6 is fixed with a valve core in the actuated element 3, and the center pin is arranged in the active connecting piece 5.
Referring to fig. 3-5, guide grooves 11 penetrating through the wall thickness of the driving connecting piece 5 are formed in the front side and the rear side of the driving connecting piece 5, the two guide grooves 11 are of a rectangular structure and are symmetrically arranged, the center pin 8 is arranged in the driving connecting piece 5, the positioning pin 9 is arranged in the center pin 8, the spring 10 is sleeved outside the positioning pin 9, the center pin 8 elastically stretches through the spring 10, a ball 15 at the bottom end of the positioning pin 9 penetrates through the bottom surface of the driving connecting piece, rectangular block structures are arranged at the two ends of the center pin 8 and are respectively inserted into the two guide grooves 11, the center pin 8 can vertically lift along the guide grooves 11 through the structure, and an arc-shaped signal detection block 14 is fixed between the rectangular block structures; a proximity switch 13 matched with the arc signal detection block 14 is arranged on one side of the arc signal detection block, and the bottom end of the center pin 8 is of a downward arched arc structure; the passive connecting piece 6 is correspondingly arranged below the active connecting piece, the structure of the passive connecting piece is approximately the same as that of the active connecting piece 5, two symmetrical rectangular slots 12 are also formed in the front side and the rear side of the passive connecting piece 6, the width of each slot 12 is the same as that of each guide groove 11, and in addition, a yielding groove 16 is further formed in the passive connecting piece 6 and can be used for embedding the arc-shaped structure at the bottom end of the center pin 8.
When the actuating mechanism is in an electric state, the center pin 8 moves downwards to enter the passive connecting piece 6 due to the elastic action of the spring 10, two ends of the center pin 8 are embedded into the slots 12, the state that the active connecting piece 5 and the passive connecting piece 6 are clamped relatively is realized, when an output shaft of the actuating mechanism rotates, the active connecting piece 5 is driven to rotate, the active connecting piece 5 drives the passive connecting piece 6 to rotate through the center pin 8, and the passive connecting piece 6 drives the valve core in the actuated element to rotate, so that electric operation is realized.
Referring to fig. 6 and 7, the rear end of the plug-in type handle 7 is provided with an insertion block 19 which can be plugged in and penetrates through the slot of the passive connector 6, the top end surface of the insertion block 19 is higher than the bottom end surface of the active connector 5, the top surface and the bottom surface of the front end of the insertion block 19 are both provided with symmetrical arc-shaped interlocking grooves 20, both ends of the arc-shaped interlocking grooves 20 penetrate through both side surfaces of the insertion block 19, the double-surface equal-slotted structure can enable the plug-in type handle 7 to be used both positively and negatively, when the plug-in type handle 7 rotates, because the top end surface of the insertion block 19 is higher than the bottom end surface of the active connector 5, the cylinder wall of the active connector 5 can be embedded in the arc-shaped interlocking grooves 20 and move relatively along the arc-shaped interlocking grooves 20, the top surface and the bottom surface of the other end of the insertion block 19 are provided with downward-inclined slope surfaces 22, the height of the slope surfaces is lower than the bottom end surface of the active connector 5, so as to prevent the other end of the insertion block 19 from being blocked by the bottom end of the active connector 5 and being unable to rotate, the center of the inserting block 19 is provided with a positioning hole 21 for embedding a ball at the bottom end of the positioning needle, and the positioning of the handle position is realized through the matching of the positioning hole 21 and the ball. In addition, a limiting rod for limiting the rotation range of the plug-in type handle is fixed on the support, and the limiting rod comprises an initial state limiting rod 17 and a final state limiting rod 18.
When manual operation is required to be replaced, the plug-in type handle 7 is inserted into the slot 12 of the passive connecting piece 6, the central pin 8 is separated from the passive connecting piece 6 and moves upwards into the active connecting piece 5, and the actuating mechanism 2 is completely separated from the transmission connection of the actuated element 3; according to the operation requirement, clockwise or anticlockwise operation is carried out, the plug-in type handle 7 is limited by the initial state limiting rod 17 and the final state limiting rod 18, the plug-in type handle 7 is only limited, after the manual operation is finished, the executed element 3 is required to be restored to the state before the manual operation, the handle is pulled out, and the device is in an electric state; when the plug-in type handle 7 is inserted, the central pin 8 drives the arc-shaped signal detection block 14 to ascend, the proximity switch 13 can detect the arc-shaped signal detection block 14, manual operation is judged to be performed, the electric control function is actively disconnected, after the plug-in type handle 7 is taken down, the electric function is recovered after the manual signal disappears, and therefore the manual and electric interlocking function is achieved; when the state before the manual operation is not reset, the plug-in type handle 7 cannot be taken out because the cylinder wall of the active connecting piece 5 is embedded into the arc-shaped interlocking groove 20, so that the electric misoperation in the manual state is effectively prevented.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. The utility model provides an actuating mechanism electronic and manual quick switching control equipment, includes by the actuator and with the actuator that the actuator links, by the electronic and manual quick switching control mechanism connection between actuator and the actuator, characterized in that: the electric and manual quick switching mechanism comprises an active connecting piece, a passive connecting piece, a center pin and a plug-in type handle, wherein the active connecting piece is fixed with an output shaft of an executing element, guide grooves penetrating through the wall thickness of the active connecting piece are correspondingly formed in two sides of the active connecting piece, the center pin is arranged in the active connecting piece and elastically stretches through a spring, the center pin can ascend and descend along the guide grooves, the passive connecting piece is fixed with a valve element of the executed element, the passive connecting piece is correspondingly arranged below the active connecting piece, slots penetrating through the wall thickness of the passive connecting piece and being capable of being embedded into two ends of the center pin are formed in two sides of the passive connecting piece, a plug block capable of being plugged in and penetrating through the two slots is arranged at one end of the plug-in type handle, and the plug block can push the center pin to move upwards to realize electric and manual switching.
2. The device for rapidly switching between electric and manual operation of the actuator according to claim 1, wherein: the top end face of the inserting block is higher than the bottom end face of the active connecting piece, the top face and/or the bottom face of one end of the inserting block are/is provided with arc-shaped interlocking grooves corresponding to the cylinder walls of the active connecting piece, two ends of each arc-shaped interlocking groove penetrate through two side faces of the inserting block, when the inserting block rotates, the cylinder walls of the active connecting piece can be embedded into the arc-shaped interlocking grooves and move relatively along the arc-shaped interlocking grooves, the top face and/or the bottom face of the other end of the inserting block are/is provided with slope faces inclining downwards, and the height of each slope face is lower than the height of the bottom end face of the active connecting piece.
3. The device for rapidly switching between electric and manual operation of the actuator according to claim 2, wherein: an arc signal detection block is fixed outside the center pin, the arc signal detection block is sleeved outside the active connecting piece, and a proximity switch corresponding to the arc signal detection block is arranged on one side of the arc signal detection block.
4. The device for rapidly switching between electric and manual operation of the actuator according to claim 3, wherein: the positioning pin is arranged in the center pin, the spring sleeve is arranged outside the positioning pin, the center pin drives the positioning pin to elastically stretch and retract through the spring, the bottom end of the positioning pin penetrates through the bottom surface of the active connecting piece, and the insertion block is provided with a positioning hole for embedding the bottom end of the positioning pin.
5. The device for rapidly switching between electric and manual operation of the actuator according to claim 1, wherein: the actuated element and the actuating mechanism are fixed through a bracket.
6. The device for rapidly switching between electric and manual operation of the actuator according to claim 5, wherein: and a limiting rod for limiting the rotation range of the plug-in type handle is fixed on the support.
7. The device for rapidly switching between electric and manual operation of the actuator according to claim 6, wherein: the limiting rod comprises an initial state limiting rod and a final state limiting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111282828.7A CN113921300A (en) | 2021-11-01 | 2021-11-01 | Electric and manual quick switching device for actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111282828.7A CN113921300A (en) | 2021-11-01 | 2021-11-01 | Electric and manual quick switching device for actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113921300A true CN113921300A (en) | 2022-01-11 |
Family
ID=79243821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111282828.7A Pending CN113921300A (en) | 2021-11-01 | 2021-11-01 | Electric and manual quick switching device for actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113921300A (en) |
-
2021
- 2021-11-01 CN CN202111282828.7A patent/CN113921300A/en active Pending
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