CN110861787B - In-place locking mechanism - Google Patents
In-place locking mechanism Download PDFInfo
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- CN110861787B CN110861787B CN201911134311.6A CN201911134311A CN110861787B CN 110861787 B CN110861787 B CN 110861787B CN 201911134311 A CN201911134311 A CN 201911134311A CN 110861787 B CN110861787 B CN 110861787B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The invention discloses an in-place locking mechanism which comprises a locking rod, a frame body, a limiting sleeve, a central rod, a first elastic preload piece, at least two rotary lock heads, at least two elastic preload pieces and a plurality of stopping pieces. In the initial state, the locking bar is disengaged from the rest of the in-place locking mechanism and the stop snaps into the stop hole to limit rotation of the rotary lock cylinder. One end of the locking rod is provided with a boss, the second end of the rotary lock head is provided with a clamping block, the clamping block is provided with a notch in the direction close to the axis of the central rod, and a boss accommodating space is arranged between the clamping block and the limiting sleeve. Under the locking state, the boss enters the boss accommodating space through a channel formed by the notch of the fixture block, the central rod is pressed down by the locking rod, the accommodating space of the retainer is enlarged, the retainer is separated from the stop hole and limits the rotation lock head, the rotation lock head rotates, the channel through which the boss passes disappears, the boss cannot leave the boss accommodating space, the lower surface of the fixture block is connected with the boss and limits the up-and-down movement of the locking rod, and therefore the locking function is achieved.
Description
Technical Field
The invention belongs to the field of aerospace craft, and particularly relates to an in-place locking mechanism.
Background
On the aerospace craft, the sailboards, the antennas and the like are required to be unfolded in an on-orbit mode, the unfolding mechanisms are generally required to be locked in place, and whether the unfolding mechanisms are successfully locked in place or not has an important influence on success or failure of the aerospace craft.
In the aerospace craft, a plurality of locking mechanisms which can be used for rotary motion are used, and the rigidity in the rotary direction after locking is poor. If it is necessary to achieve a high-rigidity lock in the rotational direction, the lock mechanism is large in structural size and heavy in weight.
Disclosure of Invention
To solve the above problems, an object of the present invention is to provide an in-place locking structure that can achieve high rigidity locking in the rotational direction while being small in size and light in weight as compared with the prior art.
The technical scheme of the invention is as follows:
an in-place locking mechanism is characterized by comprising
The locking rod is provided with a boss at one end;
the upper surface of the frame body is provided with a central accommodating hole; the upper surface of the frame body is also provided with at least two rotary containing holes which are uniformly arranged along the peripheral side of the central containing hole;
the first end of the limiting sleeve extends into the central accommodating hole, the limiting sleeve is fixedly connected with the frame body, and the first end of the limiting sleeve is a first limiting surface;
the center rod penetrates through the limiting sleeve, the first end of the center rod extends out of the first end of the limiting sleeve, the first end of the center rod is provided with a limiting part, and the second end of the center rod extends out of the limiting sleeve; the upper surface of the limiting part is a second limiting surface, and the first limiting surface and the second limiting surface are matched to form a limiting groove;
the first elastic preload piece is arranged in the central accommodating hole, the first end of the first elastic preload piece is connected with the frame body, the second end of the first elastic preload piece is connected with the lower surface of the limiting part, and the first elastic preload piece has pretightening force expanding along the axial direction of the central rod;
the number of the rotary lock heads is the same as that of the rotary accommodating holes, and the first ends of the rotary lock heads extend into the corresponding rotary accommodating holes; a clamping block is arranged at the second end of the rotary lock head, the lower surface of the clamping block is matched with the upper surface of the limiting sleeve to form a boss accommodating space, and the lower surface of the clamping block is connected with the upper surface of the boss to limit the boss to move up and down; one side of the clamping block, which faces the central accommodating hole, is provided with a notch, and each notch is matched to form a channel for the boss to pass through; the periphery of the rotary lock head is provided with a stop hole corresponding to the limit groove;
the number of the second elastic pre-tightening pieces is the same as that of the rotary accommodating holes, the second elastic pre-tightening pieces are arranged in the corresponding rotary accommodating holes, the first ends of the second elastic pre-tightening pieces are connected with the frame body, the second ends of the second elastic pre-tightening pieces are connected with the corresponding rotary lock heads, and the second elastic pre-tightening pieces have pre-tightening forces rotating around the axes of the corresponding rotary lock heads;
the number of the stopping pieces is the same as that of the stopping holes, an opening is formed in the hole wall between the central containing hole and each rotary containing hole, the opening corresponds to the stopping holes, and the size of the opening is larger than or equal to that of the stopping pieces; each stop hole is matched with the limit groove to form a corresponding stop piece accommodating space;
in an initial state, the boss does not extend into the boss accommodating space, and the stop piece is clamped into the stop hole to limit the rotation of the rotary lock head;
in a locking state, the boss is connected with the second end of the central rod, the boss extends into the boss accommodating space to push the central rod to move downwards, the accommodating space of the retainer is enlarged, the retainer is separated from the retaining hole and limits the rotary lock head, the rotary lock head rotates, and the lower surface of the clamping block is connected with the boss and limits the vertical movement of the locking rod.
In an embodiment of the present invention, a second elastic preload member accommodating hole is formed in a lower surface of the rotary lock head, a second end of the second elastic preload member extends into the second elastic preload member accommodating hole, and the second end of the second elastic preload member is connected to a top surface of an inner wall surface of the second elastic preload member accommodating hole; the stop hole on the rotary lock head is arranged on the hole wall of the corresponding position of the second elastic preload piece accommodating hole.
In an embodiment of the invention, the second elastic preload member is a torsion spring.
In an embodiment of the invention, the first elastic preload member is a compression spring.
In an embodiment of the present invention, a first elastic preload member receiving hole is formed in a lower surface of the limiting portion, and a second end of the first elastic preload member is connected to a top surface of an inner wall surface of the first elastic preload member receiving hole.
In an embodiment of the invention, the second position-limiting surface is an inclined surface.
In one embodiment of the present invention, the stopper is spherical and the stopper hole is a circular hole.
In an embodiment of the present invention, the frame includes a housing and a base, the base and the housing are detachable, the first end of the first elastic pre-tightening member is connected to the base, and the first end of the second elastic pre-tightening member is connected to the base
In an embodiment of the present invention, the lower surface of the boss is an arc-shaped convex surface, and the upper surface of the position limiting sleeve is an arc-shaped concave surface adapted to the arc-shaped convex surface.
In an embodiment of the present invention, a lubricant is disposed at a contact portion between the central rod and the limiting sleeve.
In an embodiment of the invention, the lubricant is a grease lubricant or a solid lubricant.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
(1) in the embodiment of the invention, when in use, the locking rod is connected with the component A to be locked, and the other part of the in-place locking mechanism is connected with the component B to be locked. When unlocked, the locking bar is not connected to the rest of the in-place locking mechanism. In the locking process, the locking rod passes through the channel that the fixture block breach formed and pushes down well core rod, and stopper accommodation space grow, stopper removal and the restriction to the rotary lock head disappear, and the rotary lock head rotates under the effect of second elasticity pretension piece, and the channel that the fixture block breach formed disappears, and the lower surface and the boss of fixture block meet and restrict the reciprocating of locking rod, and the boss is restricted in the boss accommodation space. At this point, the lock lever and the in-position lock mechanism are locked, so that the member a and the member B are also locked. After the locking of the embodiment of the invention, the locking is not easy to fall off, and the locking is high in rigidity.
(2) The embodiment of the invention can be used for locking in place of two components which do linear motion with each other and can also be used for locking in place of two components which do rotary motion with each other.
(3) The embodiment of the invention can adjust the overall size of the component A and the component B according to the size of the component A and the component B which need to be locked.
(4) Compared with other components capable of realizing locking in place through rotation movement, the embodiment of the invention has smaller size and lighter weight.
(5) When the locking mechanism is locked, the locking rod only needs to pass through the channel formed by the notch of the clamping block and press down the center rod, and other actions are automatically completed by the in-place locking mechanism. The in-place locking mechanism has simple use steps and convenient use.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is a schematic cross-sectional view of a in-place locking mechanism of the present invention;
FIG. 2 is a schematic top view of an in-position locking mechanism of the present invention when unlocked;
FIG. 3 is a top view of a lockout mechanism of the present invention in a locked condition.
Description of reference numerals:
1: a locking lever; 2: a limiting sleeve; 3: a center pole; 4: a first elastic preload member; 5: rotating the lock head; 6: a second elastic preload member; 7: a stopper; 8: a boss; 9: a clamping block; 10: a housing; 11: a base.
Detailed Description
A position locking mechanism according to the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to be construed as precise ratios as are merely convenient and clear to aid in the description of the embodiments of the invention.
Referring to fig. 1 to 3, the present embodiment provides an in-place locking mechanism, which includes a locking rod 1, a frame, a limiting sleeve 2, a central rod 3, a first elastic preload member 4, at least two rotary lock heads 5, at least two second elastic preload members 6, and a plurality of stoppers 7. One end of the locking lever 1 has a boss 8. The upper surface of the frame body is provided with a central containing hole, the upper surface of the frame body is also provided with at least two rotary containing holes, and the rotary containing holes are uniformly arranged along the peripheral side of the central containing hole. The first end of the limiting sleeve 2 extends into the central accommodating hole, the limiting sleeve 2 is fixedly connected with the frame body, and the first end of the limiting sleeve 2 is a first limiting surface. The central rod 3 penetrates through the limiting sleeve 2, the first end of the central rod 3 extends out of the first end of the limiting sleeve 2, the first end of the central rod 3 is provided with a limiting part, and the second end of the central rod 3 extends out of the limiting sleeve 2; the upper surface of the limiting part is a second limiting surface, and the first limiting surface and the second limiting surface are matched to form a limiting groove. First elasticity pretension piece 4 is located the central holding downthehole, and the first end of first elasticity pretension piece 4 links to each other with the framework, and the second end of first elasticity pretension piece 4 links to each other with the lower surface of spacing portion, and first elasticity pretension piece 4 has the pretightning force of 3 axial directions expansion along well core rod. The number of the rotary lock heads 5 is the same as that of the rotary accommodating holes, and the first ends of the rotary lock heads 5 extend into the corresponding rotary accommodating holes; a clamping block 9 is arranged at the second end of the rotary lock head 5, the lower surface of the clamping block 9 is matched with the upper surface of the limiting sleeve 2 to form a boss accommodating space, and the lower surface of the clamping block 9 is connected with the upper surface of the boss 8 to limit the boss 8 to move up and down; one side of the clamping block 9 facing the central accommodating hole is provided with a notch, and each notch is matched to form a channel for the boss 8 to pass through; the circumferential side of the rotary lock head 5 is provided with a stop hole corresponding to the limit groove. The number of the second elastic pre-tightening pieces 6 is the same as that of the rotary accommodating holes, the second elastic pre-tightening pieces 6 are arranged in the corresponding rotary accommodating holes, the first ends of the second elastic pre-tightening pieces 6 are connected with the frame body, the second ends of the second elastic pre-tightening pieces 6 are connected with the corresponding rotary lock heads 5, and the second elastic pre-tightening pieces 6 are provided with pre-tightening forces rotating around the axes of the corresponding rotary lock heads 5. The number of the stop pieces 7 is the same as that of the stop holes, an opening is arranged on the hole wall between the central containing hole and each rotary containing hole, the opening corresponds to the stop holes, and the size of the opening is larger than or equal to that of the stop pieces 7; each stop hole is respectively matched with the limit groove to form a corresponding stop piece accommodating space.
When the in-place locking mechanism works, the locking rod 1 is arranged on a structure A to be locked, and the other parts of the in-place locking mechanism except the locking rod 1 are arranged on a structure B to be locked. When the locking rod is unlocked, the locking rod 1 is separated from other parts of the in-place locking mechanism, the first elastic preload piece 4 has pretightening force expanding along the direction of the central rod 3, the central rod 3 has an upward trend under the action of the pretightening force of the first spring, the stop piece 7 is in contact with the second limiting surface of the limiting part of the central rod 3 and enables the stop piece 7 to be subjected to the force transmitted by the second limiting surface, the force enables the stop piece 7 to be upwards abutted against the first limiting surface of the limiting sleeve 2, the force enables the stop piece 7 to be clamped in the stop hole of the rotary lock head 5, the first limiting surface, the second limiting surface and the stop hole are matched to form a stop piece accommodating space, and the position of the stop piece 7 in the stop piece accommodating space is unique. The second elastic preload element 6 has a preload in the direction of rotation of the rotary lock 5, which can rotate the rotary lock 5, but at this time the rotary lock 5 cannot rotate because the stop element 7 is clamped in the stop opening. The second end of the rotary lock head 5 is provided with a clamping block 9, the clamping block 9 is provided with a notch, and the notches on the clamping blocks 9 of all the rotary lock heads 5 form a channel which can enable the boss 8 on the locking rod 1 to pass through.
When locking, locking lever 1 pushes down central rod 3 through the passageway that the breach formed on the fixture block 9, and locking lever 1's boss 8 gets into boss accommodation space. The central rod 3 moves down to make the stopper accommodation space grow, the position of the stopper 7 is not unique, the stopper 7 is separated from the stop hole and disappears for the limiting action of the rotary lock head 5, the rotary lock head 5 rotates under the pre-tightening force action of the second elastic pre-tightening piece 6, the rotary lock head 5 rotates, the fixture block 9 on the rotary lock head 5 also rotates together, the position orientation of the notch of the fixture block 9 changes after the rotation, the channel disappears, the locking rod 1 cannot be separated from other parts of the in-place locking mechanism, and the boss 8 of the locking rod 1 is locked in the boss accommodation space. To this end, the lock lever 1 and the in-position lock mechanism are locked, so that the member a and the member B are also locked. After the in-place locking mechanism is locked, the locking mechanism is not easy to fall off and is high-rigidity locking.
The embodiment of the invention can be used for locking in place of two components which do linear motion with each other and can also be used for locking in place of two components which do rotary motion with each other. Meanwhile, compared with other components capable of realizing the in-place locking of the rotary motion, the in-place locking mechanism has smaller size and lighter weight. The in-place locking mechanism can be adjusted in size according to the size of the component A and the component B to be locked. And, when locking, only need through the passageway that the fixture block 9 breach formed with locking lever 1 and push down central rod 3 can, other actions all have the locking mechanical system that targets in place and accomplish automatically. The in-place locking mechanism has simple use steps and convenient use.
Further, the frame provides a mounting interface to the components of the position locking mechanism other than the locking lever 1. The frame body comprises a shell 10 and a base 11, and the shell 10 and the base 11 can be detached. The base 11 has a mounting interface for the first end of the first elastic preload member 4 and the first end of the second elastic preload member 6.
The limiting sleeve 2 is fixed on the frame body. The limiting sleeve 2 can be connected with the inner wall surface of the central containing hole, and even the limiting sleeve 2 and the frame body are integrally formed. The fixed connection of the position limiting sleeve 2 and the frame body can be in other modes, but the position limiting sleeve 2 is static relative to the frame body. Further, the first position-limiting surface on the position-limiting sleeve 2 is parallel to the upper surface of the base 11.
The lower surface of the limiting part of the central rod 3 is provided with a first elastic preload piece accommodating hole, and the second end of the first elastic preload piece 4 extends into the first elastic preload piece accommodating hole and is connected with the top surface of the inner wall surface of the first elastic preload piece accommodating hole. The central rod 3 is not contacted with the base 11, a downward moving distance is reserved between the central rod 3 and the base 11, and the downward moving distance is matched with the first elastic preload piece 4, so that the central rod 3 can be moved downward by the locking rod 1, and the boss 8 of the locking rod 1 enters the boss accommodating space.
In particular, the first elastic preload member 4 may be a compression spring, a spring ball or other member that meets the elastic compression requirements of the first elastic preload member 4 of the in-place locking mechanism.
Preferably, the upper surface of the position-limiting portion of the central rod 3, i.e. the second position-limiting surface, is an inclined surface relative to the first position-limiting surface.
The lower surface of the rotary lock head 5 is provided with a second elastic preload piece accommodating hole. The second end of the second elastic preload piece 6 extends into the corresponding second elastic preload piece accommodating hole and is connected with the top surface of the inner wall surface of the second elastic preload piece accommodating hole. The stop hole on the rotary lock head 5 is arranged on the hole wall at the corresponding position of the accommodating hole of the second elastic preload piece.
Further, the second elastic preload member receiving hole of the rotary lock head 5 and the latch 9 are connected by a thin rod having a diameter smaller than that of the second elastic preload member receiving hole, so that the rotary lock head 5 has a step. And the second end of the limiting sleeve 2 is provided with a round table, and the diameter of the round table is larger than that of the limiting sleeve 2 below the round table. Therefore, the lower surface of the circular truncated cone is attached to the upper surface of the step, the circular truncated cone limits the upward movement of the step, and therefore the limiting sleeve 2 has a limiting effect on the rotary lock head 5. Or the second end of the housing 10 extends toward the rotation accommodating hole to limit the rotation lock head 5.
Specifically, the latch 9 may be flat-shaped.
In particular, the second elastic preload 6 may be a torsion spring. The stop 7 may be spherical and the corresponding stop hole is a circular hole.
Furthermore, the lower surface of the boss 8 of the locking rod 1 is an arc-shaped convex surface, and the upper surface of the limiting sleeve 2 is an arc-shaped concave surface matched with the arc-shaped convex surface, so that the locking rod 1 can be better fixed in the boss accommodating space after being locked.
Further, the rotary lock head 5, the second elastic preload member 6, the stopper 7, etc. may be used in a kit. In the embodiment of the present invention, at least two sets are used, and of course, four sets or other numbers of sets may be used according to actual requirements.
The principle of the embodiment of the invention is simple and convenient, and the limit sleeve 2, the second elastic preload piece 6, the stop piece 7 and the like can be flexibly used in a modularized way according to the requirements of locking products and the like.
Furthermore, the limiting sleeve 2 and the central rod 3 need to move mutually, and a contact part can be coated with a lubricant which can be a fixed lubricant or a grease lubricant.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, they are still within the scope of the present invention provided that they fall within the scope of the claims of the present invention and their equivalents.
Claims (11)
1. An in-place locking mechanism is characterized by comprising
The locking device comprises a locking rod, a locking rod and a locking mechanism, wherein one end of the locking rod is provided with a boss;
the upper surface of the frame body is provided with a central accommodating hole; the upper surface of the frame body is also provided with at least two rotary accommodating holes which are uniformly arranged along the peripheral side of the central accommodating hole;
the first end of the limiting sleeve extends into the central accommodating hole, the limiting sleeve is fixedly connected with the frame body, and the first end of the limiting sleeve is a first limiting surface;
the center rod penetrates through the limiting sleeve, the first end of the center rod extends out of the first end of the limiting sleeve, the first end of the center rod is provided with a limiting part, and the second end of the center rod extends out of the limiting sleeve; the upper surface of the limiting part is a second limiting surface, and the first limiting surface and the second limiting surface are matched to form a limiting groove;
the first elastic preload piece is arranged in the central accommodating hole, the first end of the first elastic preload piece is connected with the frame body, the second end of the first elastic preload piece is connected with the lower surface of the limiting part, and the first elastic preload piece has pretightening force expanding along the axial direction of the central rod;
the number of the rotary lock heads is the same as that of the rotary accommodating holes, and the first ends of the rotary lock heads extend into the corresponding rotary accommodating holes; a clamping block is arranged at the second end of the rotary lock head, the lower surface of the clamping block is matched with the upper surface of the limiting sleeve to form a boss accommodating space, and the lower surface of the clamping block is connected with the upper surface of the boss to limit the boss to move up and down; one side of the clamping block, which faces the central accommodating hole, is provided with a notch, and each notch is matched to form a channel for the boss to pass through; the periphery of the rotary lock head is provided with a stop hole corresponding to the limiting groove;
the number of the second elastic pre-tightening pieces is the same as that of the rotary accommodating holes, the second elastic pre-tightening pieces are arranged in the corresponding rotary accommodating holes, the first ends of the second elastic pre-tightening pieces are connected with the frame body, the second ends of the second elastic pre-tightening pieces are connected with the corresponding rotary lock heads, and the second elastic pre-tightening pieces have pre-tightening forces rotating around the axes of the corresponding rotary lock heads;
the number of the stopping pieces is the same as that of the stopping holes, an opening is formed in the hole wall between the central containing hole and each rotary containing hole, the opening corresponds to the stopping holes, and the size of the opening is larger than or equal to that of the stopping pieces; each stop hole is matched with the limit groove to form a corresponding stop piece accommodating space;
in an initial state, the boss does not extend into the boss accommodating space, and the stop piece is clamped into the stop hole to limit the rotation of the rotary lock head;
in a locking state, the boss is connected with the second end of the central rod, the boss extends into the boss accommodating space to push the central rod to move downwards, so that the accommodating space of the retainer is enlarged, the retainer is separated from the retaining hole and the limit of the rotary lock head is released, the rotary lock head rotates, and the lower surface of the clamping block is connected with the boss and limits the vertical movement of the locking rod.
2. The in-place locking mechanism of claim 1, wherein a second elastic preload member receiving hole is formed in a lower surface of the rotary lock head, a second end of the second elastic preload member extends into the second elastic preload member receiving hole, and the second end of the second elastic preload member is connected with a top surface of an inner wall surface of the second elastic preload member receiving hole; the stop hole on the rotary lock head is arranged on the hole wall at the corresponding position of the accommodating hole of the second elastic pre-tightening piece.
3. The in-place locking mechanism of claim 1, wherein the second resilient preload member is a torsion spring.
4. The in-place locking mechanism of claim 1, wherein the first resilient preload member is a compression spring.
5. The in-place locking mechanism according to claim 1, wherein a first elastic preload member receiving hole is formed in a lower surface of the stopper portion, and a second end of the first elastic preload member is connected to a top surface of an inner wall surface of the first elastic preload member receiving hole.
6. The in-place locking mechanism of claim 1, wherein the second stop surface is a ramped surface.
7. The in-place locking mechanism of claim 1, wherein said stop member is spherical and said opening is a circular opening.
8. The in-place locking mechanism of claim 1, wherein the frame includes a housing and a base, the base and the housing being removable, the first end of the first resilient preload member being attached to the base, and the first end of the second resilient preload member being attached to the base.
9. The in-place locking mechanism of claim 1, wherein the lower surface of the boss is an arcuate convex surface, and the upper surface of the stop collar is an arcuate concave surface adapted to the arcuate convex surface.
10. The in-place locking mechanism of claim 1, wherein the center rod and the position limiting sleeve are in contact with a lubricant.
11. The in-place locking mechanism of claim 10, wherein the lubricant is a grease lubricant or a solid lubricant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911134311.6A CN110861787B (en) | 2019-11-19 | 2019-11-19 | In-place locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911134311.6A CN110861787B (en) | 2019-11-19 | 2019-11-19 | In-place locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110861787A CN110861787A (en) | 2020-03-06 |
| CN110861787B true CN110861787B (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911134311.6A Active CN110861787B (en) | 2019-11-19 | 2019-11-19 | In-place locking mechanism |
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| CN (1) | CN110861787B (en) |
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| CN104091716A (en) * | 2014-07-24 | 2014-10-08 | 科都电气有限公司 | Snap-through rotary switch |
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