CN208220427U - A kind of latching device - Google Patents

A kind of latching device Download PDF

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Publication number
CN208220427U
CN208220427U CN201820799200.1U CN201820799200U CN208220427U CN 208220427 U CN208220427 U CN 208220427U CN 201820799200 U CN201820799200 U CN 201820799200U CN 208220427 U CN208220427 U CN 208220427U
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CN
China
Prior art keywords
circular arc
wall
main shaft
lock pin
shifting part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820799200.1U
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Chinese (zh)
Inventor
古京阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUHAN RUICHUANG SWITCH CO Ltd
Original Assignee
WUHAN RUICHUANG SWITCH CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WUHAN RUICHUANG SWITCH CO Ltd filed Critical WUHAN RUICHUANG SWITCH CO Ltd
Priority to CN201820799200.1U priority Critical patent/CN208220427U/en
Application granted granted Critical
Publication of CN208220427U publication Critical patent/CN208220427U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of latching device, belongs to switchgear field.Including matrix, main shaft, limited block, lock pin and shifting part.Main shaft is rotatably set to matrix.Limited block is set to main shaft, and limited block has the first buckle hanging unit and the second buckle hanging unit.Lock pin is movably set to matrix.Shifting part can rotate between first position and the second position relative to main shaft.Limited block has the first lock position and the second lock position.When limited block is located at the first lock position, lock pin is stuck in the first buckle hanging unit, and shifting part can make lock pin be detached from the first buckle hanging unit relative to main shaft from the second position to first position rotation;When limited block is located at the second lock position, lock pin prevents main shaft from rotating to second direction, and shifting part can make lock pin be detached from the second buckle hanging unit relative to main shaft from first position to second position rotation.This latching device can be completed to unlock during shifting part drives main axis, and unlocking process is simple and convenient.

Description

A kind of latching device
Technical field
The utility model relates to switchgear fields, in particular to a kind of latching device.
Background technique
Latching device is often used in switchgear, existing latching device generally comprises matrix, main shaft, limited block and lock Pin, main shaft are rotatably set on matrix, and limited block is arranged on main shaft, and lock pin is used for locking limited block, to reach limitation The purpose of main axis.In existing latching device, when needing to release locking of the lock pin to limited block, others is needed to stir Lock pin is stirred by mechanism, and the process for releasing lock pin locking is more troublesome.
Utility model content
The purpose of this utility model is to provide a kind of latching devices, are more troublesome with improving the process of releasing lock pin locking Problem.
The utility model is realized in this way:
Based on above-mentioned purpose, the utility model provides a kind of latching device, comprising:
Matrix;
Main shaft, the main shaft are rotatably set to described matrix;
Limited block, the limited block are set to the main shaft, and the limited block has the first buckle hanging unit and the second buckle hanging unit;
Lock pin, the lock pin are movably set to described matrix;
Shifting part, the shifting part are rotatably set to the main shaft, the shifting part can the relatively described main shaft exist It is rotated between first position and the second position, when the relatively described main axis of the shifting part and when reaching first position, described group Moving part is able to drive the main shaft and rotates to first direction, when the relatively described main axis of the shifting part and reaches the second position When, the shifting part is able to drive the main shaft and rotates to second direction, and the second direction is opposite with first direction;
Wherein, the limited block has the first lock position and the second lock position;
When the limited block is located at the first lock position, the lock pin is stuck in first buckle hanging unit, the lock pin resistance Only the main shaft is rotated to first direction, and the shifting part can make relative to the main shaft from the second position to first position rotation The lock pin is moved out first buckle hanging unit;When the limited block is located at the second lock position, the lock pin is stuck in Second buckle hanging unit, the lock pin prevent the main shaft from rotating to second direction, and the relatively described main shaft of the shifting part is from the One position can make the lock pin be moved out second buckle hanging unit to second position rotation.
In one embodiment of the utility model, position limiting structure is equipped between the shifting part and the limited block;
The position limiting structure includes the limiting slot on the limited block and the protrusion on the shifting part, institute It states protrusion to be stuck in the limiting slot, when the shifting part main axis relatively, the protrusion can be described It is moved in limiting slot;
The limiting slot has the first extreme end and the second extreme end, when the protruding parts is when the first extreme end, institute It states shifting part and is located at first position;When the protruding parts is when the second extreme end, the shifting part is located at the second position.
In one embodiment of the utility model, the peripheral wall of the limited block includes sequentially connected first circular arc of head and the tail Wall, First Transition wall, the second circular arc wall and the second transition wall;
First circular arc wall and second circular arc wall are coaxially disposed with the main shaft, and the half of first circular arc wall Diameter is greater than the radius of second circular arc wall, and the First Transition wall is recessed inwardly to form first buckle hanging unit, and described second Transition wall is recessed inwardly to form second buckle hanging unit.
In one embodiment of the utility model, first end and second end, institute are distinguished in the both ends of first circular arc wall The line for stating the axial line of first end and first circular arc wall is first borderline, the second end and first circular arc wall Axial line line be second borderline, circular arc line and the second side where the first borderline, first circular arc wall Boundary line constitutes fan section;
The limiting slot is located in the fan section.
In one embodiment of the utility model, the limiting slot is the arc groove coaxial with first circular arc wall, The protrusion is cylinder, and the diameter of the protrusion and the width of the arc groove match.
In one embodiment of the utility model, first extreme end and the line of the axial line of the arc groove are The line of the axial line of third boundary line, second extreme end and the arc groove is the 4th boundary line;
The angular bisector and the first borderline and second borderline of the third boundary line and the 4th boundary line Angular bisector be overlapped.
In one embodiment of the utility model, the central angle of the arc groove is 60 degree, and first circular arc wall is Central angle be 120 degree.
In one embodiment of the utility model, the peripheral wall of the shifting part includes the sequentially connected third circular arc of head and the tail Wall, first straight line wall, the 4th circular arc wall and second straight line wall, the third circular arc wall and the 4th circular arc wall with the master Axis coaxial arrangement, the radius of the third circular arc wall are greater than the radius of the 4th circular arc wall, the center of circle of the third circular arc wall Central angle of the angle less than the 4th circular arc wall;
When the limited block is located at the first lock position, the relatively described main shaft of the shifting part is from the second position to first Position rotation can be such that the lock pin reaches from the position contacted with the first straight line wall to contact with the third circular arc wall Position, so that the lock pin is detached from first buckle hanging unit;
When the limited block is located at the second lock position, the relatively described main shaft of the shifting part is from first position to second Position rotation can be such that the lock pin reaches from the position contacted with the second straight line wall to contact with the third circular arc wall Position, so that the lock pin is detached from second buckle hanging unit.
In one embodiment of the utility model, the axial line of the axial line of the protrusion and the third circular arc wall Line be reference line, the first straight line wall and the second straight line wall are symmetrically distributed in the two sides of the reference line.
In one embodiment of the utility model, the latching device further includes elastic component;
The lock pin is connect with described matrix by the elastic component, and the elastic component can make the lock pin and the limit The peripheral wall contact of position block.
The beneficial effects of the utility model are:
The utility model provides a kind of latching device, and when limited block is located at lock position, lock pin is stuck in the first of limited block Buckle hanging unit, lock pin can prevent main shaft from rotating to first direction, when needing to unlock, by making the opposite main shaft of shifting part from second Position is rotated to first position, so that lock pin is detached from respect to matrix movement and from the first buckle hanging unit, turns to the to shifting part Behind one position, shifting part will drive main shaft to rotate to first direction;When limited block is located at the second lock position, lock pin is stuck in limit Second buckle hanging unit of block, lock pin can prevent main shaft from rotating to second direction, when needing to unlock, by keeping shifting part relatively main Axis is rotated from first position to the second position, so that lock pin is mobile relative to matrix and is detached from from the second buckle hanging unit, band shifting part After turning to the second position, shifting part will drive main shaft to rotate to second direction.This latching device drives main shaft in shifting part It can complete to unlock during rotation, without external other toggle mechanisms, unlocking manner is simple and convenient.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure of the latching device when limited block that provides of the utility model embodiment 1 is located at the first lock position Schematic diagram;
Fig. 2 is the structure of the latching device when limited block that provides of the utility model embodiment 1 is located at the second lock position Schematic diagram;
Fig. 3 is the structural schematic diagram of limited block shown in FIG. 1;
Fig. 4 is the structural schematic diagram of shifting part shown in FIG. 1.
Icon: 100- latching device;10- matrix;11- strip through-hole;20- main shaft;30- limited block;The first circular arc of 31- Wall;311- first end;312- second end;32- First Transition wall;The first buckle hanging unit of 321-;The second circular arc wall of 33-;The second mistake of 34- Cross wall;The second buckle hanging unit of 341-;35- first borderline;36- second borderline;The first centre bore of 37-;38- limiting slot;381- First extreme end;The second extreme end of 382-;383- third boundary line;The 4th boundary line 384-;40- lock pin;50- elastic component;60- Shifting part;61- third circular arc wall;62- first straight line wall;The 4th circular arc wall of 63-;64- second straight line wall;The second centre bore of 65-; 66- protrusion;67- reference line.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, below the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to prevent to require The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the utility model embodiment, it should be noted that indicating position or positional relationship is based on attached drawings Shown in orientation or positional relationship or the utility model product using when the orientation or positional relationship usually put, or Orientation or positional relationship that those skilled in the art usually understand or the utility model product using when usually put Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Prevention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply phase To importance.
In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art Language " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect It connects;It can be and be directly connected to, can also be indirectly connected with by intermediary.For the ordinary skill in the art, may be used The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.
Embodiment 1
As shown in Figure 1 and Figure 2, the present embodiment provides a kind of latching device 100, including matrix 10, main shaft 20, limited block 30, Lock pin 40, elastic component 50 and shifting part 60.Main shaft 20 is rotatably set to matrix 10;Limited block 30 is set on main shaft 20; Lock pin 40 is movably set to matrix 10, and the effect of lock pin 40 is that limited block 30 is made to be in lockup state;Elastic component 50 is set to Between lock pin 40 and matrix 10, elastic component 50 plays the role of reset;Shifting part 60 is rotatably set to main shaft 20, shifting part 60 for keeping lock pin 40 mobile relative to matrix 10, to achieve the purpose that unlock.
Wherein, matrix 10 plays the role of support, connecting components, and specific structure does not receive limitation.Matrix 10 is equipped with The strip through-hole 11 being vertically arranged.Main shaft 20 is rotatably set to matrix 10, i.e., main shaft 20 can with respect to matrix 10 around itself Axis rotation.
As shown in figure 3, the peripheral wall of limited block 30 include sequentially connected first circular arc wall 31 of head and the tail, First Transition wall 32, Second circular arc wall 33 and the second transition wall 34.First circular arc wall 31 and the coaxial arrangement of the second circular arc wall 33, the first circular arc wall 31 Radius is greater than the radius of the second circular arc wall 33;First Transition wall 32 and the second transition wall 34 be it is arc-shaped, First Transition wall 32 to Sunken inside forms the first buckle hanging unit 321, and the second transition wall 34 is recessed inwardly to form the second buckle hanging unit 341.In the present embodiment, first The central angle of circular arc wall 31 is 120 degree.The both ends of first circular arc wall 31 are respectively first end 311 and second end 312, first end 311 and first circular arc wall 31 axial line line be first borderline 35, the axial line of second end 312 and the first circular arc wall 31 Line be second borderline 36,36 three of circular arc line and second borderline where first borderline 35, the first circular arc wall 31 Constitute fan section.
The first centre bore 37 and limiting slot 38 are provided on limited block 30.The aperture of first centre bore 37 and the axis of main shaft 20 Diameter matches, and the first centre bore 37 and the first circular arc wall 31 are coaxially disposed.In the present embodiment, limiting slot 38 is located in fan section, Limiting slot 38 is arc groove, and arc groove and the first circular arc wall 31 are coaxially disposed, and the central angle of arc groove is 60 degree.Arc groove Both ends on circumferencial direction are respectively the first extreme end 381 and the second extreme end 382, the axis of the first extreme end 381 and arc groove The line of heart line is third boundary line 383, and the line of the second extreme end 382 and the axial line of arc groove is the 4th boundary line 384, The angular bisector of the angular bisector and first borderline 35 and second borderline 36 of third boundary line 383 and the 4th boundary line 384 It is overlapped.
As shown in Figure 1 and Figure 2, main shaft 20 is inserted in the first centre bore 37 of limited block 30, and main shaft 20 and limited block 30 are logical Key connection is crossed, i.e. axis of a cylinder and limited block 30 can be rotated relative to matrix 10 simultaneously.Lock pin 40 is set in the strip through-hole 11 of matrix 10, Lock pin 40 can be vertically movable with respect to matrix 10 in strip through-hole 11.Lock pin 40 is connect with matrix 10 by elastic component 50, this In embodiment, elastic component 50 is spring.Elastic component 50 is located in strip through-hole 11, and elastic component 50 acts on lock pin 40 and matrix 10 Between, in the case where the lock of elastic component 50 is used, lock pin 40 is contacted with the peripheral wall of limited block 30.
There are two lock position, respectively the first lock position and the second locking positions relative to the rotation of matrix 10 tool for limited block 30 It sets.As shown in Figure 1, lock pin 40 is stuck in the first buckle hanging unit 321, i.e. lock pin 40 and when locating part is located at the first lock position The contact of one transition wall 32, lock pin 40 can prevent limited block 30 and main shaft 20 from rotating to first direction, i.e., in this case, limit Block 30 and main shaft 20 are rotated without normal direction first direction;As shown in Fig. 2, lock pin 40 blocks when locating part is located at the second lock position In the second buckle hanging unit 341, i.e. lock pin 40 is contacted with the second transition wall 34, and lock pin 40 can prevent limited block 30 and main shaft 20 to The rotation of two directions, i.e., in this case, limited block 30 and main shaft 20 are rotated without normal direction second direction.Second direction and first direction On the contrary, first direction is that clockwise, second direction is counterclockwise in the present embodiment.
As shown in figure 4, shifting part 60 is packaged structure, the peripheral wall of shifting part 60 includes the sequentially connected third circular arc of head and the tail Wall 61, first straight line wall 62, the 4th circular arc wall 63 and second straight line wall 64.Third circular arc wall 61 is coaxially set with the 4th circular arc wall 63 It sets, the radius of third circular arc wall 61 is greater than the radius of the 4th circular arc wall 63, and the central angle of third circular arc wall 61 is less than the 4th circular arc The central angle of wall 63, first straight line wall 62 and second straight line wall 64 are tangent with the 4th circular arc wall 63.Wherein, third circular arc wall 61 Radius it is equal with the radius of the first circular arc wall 31 of limited block 30, the second circle of the radius of the 4th circular arc wall 63 and limited block 30 The radius of arc wall 33 is equal.
In addition, shifting part 60 is equipped with the second centre bore 65 and protrusion 66.Second centre bore 65 and third circular arc wall 61 Coaxial arrangement, the aperture of third mesoporous and the diameter of main shaft 20 match.Protrusion 66 be cylinder, the diameter of protrusion 66 with The width of arc groove on limited block 30 matches.The axial line of protrusion 66 and the line of the axial line of third circular arc wall 61 are Reference line 67, first straight line wall 62 and second straight line wall 64 are symmetrically distributed in the two sides of reference line 67.
As shown in Figure 1 and Figure 2, main shaft 20 is inserted in the second centre bore 65 of shifting part 60, the protrusion on shifting part 60 66 are stuck in the limiting slot 38 of limited block 30, and limiting slot 38 and protrusion 66 constitute the limit knot between shifting part 60 and limited block 30 Structure.After shifting part 60 is sheathed on main shaft 20, shifting part 60 can limited block 30 and main shaft 20 rotate, shifting part 60 is rotating When, protrusion 66 moves the circumferencial direction in limiting slot 38 along limiting slot 38.
60 relative limit block 30 of shifting part and the rotation of main shaft 20 have there are two position, difference first position and the second position, I.e. shifting part 60 can relative limit block 30 and main shaft 20 rotate between the first location and the second location.As shown in Figure 1, when limit Position part relative limit block 30 and main shaft 20 are rotated to first direction, and protrusion 66 is made to be located at the first extreme end of limiting slot 38 When 381, shifting part 60 is located at first position;As shown in Fig. 2, when locating part relative limit block 30 and main shaft 20 turn to second direction When moving, and protrusion 66 being made to be located at the second extreme end 382 of limiting slot 38, shifting part 60 is located at the second position.
As shown in Figure 1, when locating part is located at the first lock position, 60 relative limit block 30 of shifting part and main shaft 20 are from During two positions are rotated to first position, lock pin 40 will be reached from the position that the first straight line wall 62 with shifting part 60 contacts The position contacted with third circular arc wall 61, to make lock pin 40 move vertically downwards in strip through-hole 11 and be detached from lock pin 40 When first buckle hanging unit 321,60 relative limit block 30 of shifting part and the rotation of main shaft 20 reach first position, shifting part 60 is continued to rotate Limited block 30 and main shaft 20 will be driven to rotate to first direction;As shown in Fig. 2, being dialled when locating part is located at the second lock position 60 relative limit block 30 of moving part and main shaft 20 from first position to during the rotation of the second position, lock pin 40 will from shifting part The position of 60 third straight walls contact reaches the position contacted with the 4th circular arc wall 63, to make lock pin 40 in strip through-hole 11 It inside moves vertically downwards and lock pin 40 is made to be detached from the second buckle hanging unit 341,60 relative limit block 30 of shifting part and main shaft 20 are rotated up to When to the second position, shifting part 60, which will continue to rotate, to drive limited block 30 and main shaft 20 to rotate to second direction.
In actual operation, when limited block 30 is located at lock position, lock pin 40 is stuck in the first buckle hanging unit of limited block 30 321, lock pin 40 can prevent main shaft 20 from rotating to first direction, when needing to unlock, by making shifting part 60 with respect to main shaft 20 It is rotated from the second position to first position, so that lock pin 40 is mobile relative to matrix 10 and is detached from from the first buckle hanging unit 321, wait dial After moving part 60 turns to first position, shifting part 60 will drive main shaft 20 to rotate to first direction;Limited block 30 is located at the second lock When stop bit is set, lock pin 40 is stuck in the second buckle hanging unit 341 of limited block 30, and lock pin 40 can prevent main shaft 20 from turning to second direction It is dynamic, when needing to unlock, by rotating shifting part 60 from first position to the second position relative to main shaft 20, so that 40 phase of lock pin It is detached to the movement of matrix 10 and from the second buckle hanging unit 341, after band shifting part 60 turns to the second position, shifting part 60 will be driven Main shaft 20 is rotated to second direction.This latching device 100 drives main shaft 20 that can complete during rotation in shifting part 60 Unlock, without external other toggle mechanisms, unlocking manner is simple and convenient.
The above is only the preferred embodiment of the utility model, it is not used to prevent the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of latching device characterized by comprising
Matrix;
Main shaft, the main shaft are rotatably set to described matrix;
Limited block, the limited block are set to the main shaft, and the limited block has the first buckle hanging unit and the second buckle hanging unit;
Lock pin, the lock pin are movably set to described matrix;
Shifting part, the shifting part are rotatably set to the main shaft, the shifting part can the relatively described main shaft first It is rotated between position and the second position, when the relatively described main axis of the shifting part and when reaching first position, the shifting part The main shaft is able to drive to rotate to first direction, when the relatively described main axis of the shifting part and when reaching the second position, The shifting part is able to drive the main shaft and rotates to second direction, and the second direction is opposite with first direction;
Wherein, the limited block has the first lock position and the second lock position;
When the limited block is located at the first lock position, the lock pin is stuck in first buckle hanging unit, and the lock pin prevents institute It states main shaft to rotate to first direction, the shifting part can make relative to the main shaft from the second position to first position rotation described Lock pin is moved out first buckle hanging unit;When the limited block is located at the second lock position, the lock pin is stuck in described Second buckle hanging unit, the lock pin prevent the main shaft from rotating to second direction, and the relatively described main shaft of the shifting part is from first Setting to second position rotation can make the lock pin be moved out second buckle hanging unit.
2. latching device according to claim 1, which is characterized in that be equipped with limit between the shifting part and the limited block Structure;
The position limiting structure includes the limiting slot on the limited block and the protrusion on the shifting part, described convex Portion is stuck in the limiting slot out, and when the shifting part main axis relatively, the protrusion can be in the limit It is moved in slot;
The limiting slot has the first extreme end and the second extreme end, when the protruding parts is when the first extreme end, described group Moving part is located at first position;When the protruding parts is when the second extreme end, the shifting part is located at the second position.
3. latching device according to claim 2, which is characterized in that the peripheral wall of the limited block includes that head and the tail are sequentially connected The first circular arc wall, First Transition wall, the second circular arc wall and the second transition wall;
First circular arc wall and second circular arc wall are coaxially disposed with the main shaft, and the radius of first circular arc wall is big In the radius of second circular arc wall, the First Transition wall is recessed inwardly to form first buckle hanging unit, second transition Wall is recessed inwardly to form second buckle hanging unit.
4. latching device according to claim 3, which is characterized in that the both ends of first circular arc wall difference first end and Second end, the line of the axial line of the first end and first circular arc wall are first borderline, the second end with it is described The line of the axial line of first circular arc wall is second borderline, the circular arc where the first borderline, first circular arc wall Line and second borderline constitute fan section;
The limiting slot is located in the fan section.
5. latching device according to claim 4, which is characterized in that the limiting slot is coaxial with first circular arc wall Arc groove, the protrusion be cylinder, the diameter of the protrusion and the width of the arc groove match.
6. latching device according to claim 5, which is characterized in that the axle center of first extreme end and the arc groove The line of line is third boundary line, and the line of the axial line of second extreme end and the arc groove is the 4th boundary line;
The angle of the angular bisector and the first borderline and second borderline of the third boundary line and the 4th boundary line Bisector is overlapped.
7. latching device according to claim 6, which is characterized in that the central angle of the arc groove is 60 degree, described the The central angle that one circular arc wall is is 120 degree.
8. latching device according to claim 2, which is characterized in that the peripheral wall of the shifting part includes that head and the tail are sequentially connected Third circular arc wall, first straight line wall, the 4th circular arc wall and second straight line wall, the third circular arc wall and the 4th circular arc wall It is coaxially disposed with the main shaft, the radius of the third circular arc wall is greater than the radius of the 4th circular arc wall, the third circle Central angle of the central angle of arc wall less than the 4th circular arc wall;
When the limited block is located at the first lock position, the relatively described main shaft of the shifting part is from the second position to first position Rotation can make the lock pin reach the position contacted with the third circular arc wall from the position contacted with the first straight line wall, So that the lock pin is detached from first buckle hanging unit;
When the limited block is located at the second lock position, the relatively described main shaft of the shifting part is from first position to the second position Rotation can make the lock pin reach the position contacted with the third circular arc wall from the position contacted with the second straight line wall, So that the lock pin is detached from second buckle hanging unit.
9. latching device according to claim 8, which is characterized in that the axial line of the protrusion and the third circular arc The line of the axial line of wall is reference line, and the first straight line wall and the second straight line wall are symmetrically distributed in the reference line Two sides.
10. -9 described in any item latching devices according to claim 1, which is characterized in that the latching device further includes elasticity Part;
The lock pin is connect with described matrix by the elastic component, and the elastic component can make the lock pin and the limited block Peripheral wall contact.
CN201820799200.1U 2018-05-25 2018-05-25 A kind of latching device Expired - Fee Related CN208220427U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820799200.1U CN208220427U (en) 2018-05-25 2018-05-25 A kind of latching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820799200.1U CN208220427U (en) 2018-05-25 2018-05-25 A kind of latching device

Publications (1)

Publication Number Publication Date
CN208220427U true CN208220427U (en) 2018-12-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820799200.1U Expired - Fee Related CN208220427U (en) 2018-05-25 2018-05-25 A kind of latching device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111946172A (en) * 2020-08-20 2020-11-17 中车眉山车辆有限公司 Hand wheel device capable of being locked in two directions and freight vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111946172A (en) * 2020-08-20 2020-11-17 中车眉山车辆有限公司 Hand wheel device capable of being locked in two directions and freight vehicle
CN111946172B (en) * 2020-08-20 2024-06-11 中车眉山车辆有限公司 Hand wheel device capable of being locked in two directions and freight vehicle

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Granted publication date: 20181211

CF01 Termination of patent right due to non-payment of annual fee