CN108286547A - Self-unlocking locking device - Google Patents
Self-unlocking locking device Download PDFInfo
- Publication number
- CN108286547A CN108286547A CN201711339288.5A CN201711339288A CN108286547A CN 108286547 A CN108286547 A CN 108286547A CN 201711339288 A CN201711339288 A CN 201711339288A CN 108286547 A CN108286547 A CN 108286547A
- Authority
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- China
- Prior art keywords
- nut
- helical teeth
- notch
- shaped
- swivel nut
- 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.)
- Pending
Links
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 238000009966 trimming Methods 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
- F16B1/02—Means for securing elements of mechanisms after operation
- F16B1/04—Means for securing elements of mechanisms after operation disengaged by movement of the actuating member of the element
Abstract
The invention discloses a kind of Self-unlocking locking device, mainly solve the problems, such as to need upwards to pull out swivel nut when prior art unlock.It includes screw rod (1), positioning sleeve (2), swivel nut (3), mandril (4) and abnormity nut (5), the inner ring of the helical teeth end face disposed thereon of wherein positioning sleeve, and helical teeth tilts along clockwise direction；Swivel nut is the cylinder of boring, and upper surface is equipped with center hole and circular arc cutaway, is internally provided with fan-shaped boss；Abnormity nut is stepped cylinder, and bottom is the disk with L-shaped notch, is the disk with sector notch in the middle part of outer circle.When locking, the mandril being mounted on anisotropic nut is slided along the helical teeth on the positioning sleeve with helical teeth, and is caught in helical teeth, prevent abnormity nut from loosening, when unlock, the fan-shaped boss in swivel nut is pressed on the inclined-plane on the left of mandril, so that mandril is detached from helical teeth, abnormity nut is driven to screw out.The present invention can realize automatic unlocking, can be used for quick locking and the unlock of electronic equipment.
Description
Technical field
The invention belongs to technical field of electronic equipment, more particularly to a kind of Self-unlocking locking device can be used for electronic equipment
Quick locking and unlock.
Background technology
The characteristics of self-locking locking device is which employs helical teeth structure, and when locking, the helical teeth on swivel nut is along positioning sleeve
On helical teeth sliding, until nut tightens, the helical teeth on the helical teeth and positioning sleeve on swivel nut is engaged at this time reaches locking
Swivel nut when unlock, need to be pulled out along screw rod, keeps the helical teeth on the helical teeth and positioning sleeve on swivel nut away from one another by purpose,
Then rotation swivel nut, swivel nut drive anisotropic nut to screw out, achieve the purpose that unlock counterclockwise.
Existing self-locking locking device is as described in Figure 1 comprising by screw rod 1, positioning sleeve 2, swivel nut 3, abnormity nut 4, pressure
Spring 5, end cap 6 and clamping baffle ring 7.There is screw thread on screw rod 1, both sides trimming is provided with flat round hole among positioning sleeve 2, can only be along screw rod 1
It moves radially, cannot rotate；There is threaded hole at 4 center of abnormity nut, can be along the screw thread rotation of screw rod 1；3 center of swivel nut is provided with oblate
Hole can be slided along abnormity nut 4.When locking, rotating clockwise swivel nut 3 can drive abnormity nut 4 to rotate, at this time swivel nut 3
On helical teeth can be slided along the helical teeth on positioning sleeve 2, when making abnormity nut 4 rotate tight, the helical teeth on swivel nut 3 and positioning sleeve
Helical teeth on 2 is engaged, and blocking swivel nut 3 drives abnormity nut 4 to rotate counterclockwise, achievees the purpose that self-locking, when unlock, need by
Swivel nut 3 is pulled out along screw rod 1, keeps the helical teeth on swivel nut 3 and positioning sleeve 2 disconnected from each other, then rotates swivel nut 3 counterclockwise, can band
Dynamic abnormity nut 4 rotates, and achievees the purpose that unlock.
Above-mentioned existing self-locking locking device, its shortcoming is that need axially outward to pull out swivel nut when unlock, it is required
Operating space is larger, is not suitable for small space and uses, and operation difficulty is big, carries out operating preceding training.
Invention content
It is an object of the invention to above-mentioned the deficiencies in the prior art, provide a kind of Self-unlocking locking device, to avoid inciting somebody to action
Swivel nut pulls out, only need to be by the way that swivel nut to be rotated to the unlock realized to locking device counterclockwise.
To achieve the above object, the present invention includes screw rod 1, the positioning sleeve 2 with helical teeth, swivel nut 3, abnormity nut 5, end cap
8 and clamp baffle ring 9, it is characterised in that:
The inner ring of 22 end face disposed thereon of helical teeth of positioning sleeve 2 with helical teeth, and helical teeth tilts along clockwise direction；
Swivel nut 3 is the cylinder of boring, and upper surface is equipped with center hole 31 and circular arc cutaway 32, is internally provided with fan
Shape boss 33；
Abnormity nut 5 is stepped cylinder, and bottom is the disk 52 with L-shaped notch 51, is lacked in the middle part of outer circle for band is fan-shaped
The disk 54 of mouth 53.
Further, 51 root of L-shaped notch of the abnormity nut bottom is equipped with the circular hole 55 through L-shaped notch, the circular hole
The interior fixing axle 10 equipped with step.
Further, the middle part disk 54 is equipped with the plane parallel with L-shaped notch short side, and in-plane is equipped with threaded hole
56。
Further, the sector notch 53 is bilateral symmetry, and orthogonal with the long side of bottom L notch,
Aperture 57 is equipped with beside left sector notch.
Further, the side of the circular arc cutaway 32 is equipped with threaded hole 34, and sunk screw 12 is housed in the threaded hole 34,
Counterbore 35 is arranged at top.
Further, mandril 4 is housed at the L-shaped notch 51 of the abnormity nut 5, which is v-shaped, and left side is inclined-plane,
Right side is right-angle side, and the middle part of the right-angle side is equipped with mounting hole 41.
Further, compression spring 6 is housed at the threaded hole 56 of the middle part disk 54 of the abnormity nut 5, which is V-arrangement,
The marginal position of left side is equipped with flanging, and right edge carries U-shaped member 61, and the middle part of the U-shaped member is equipped with mounting hole 62, installation
Pan head screw 11 is housed in hole 62.
Further, the screw rod 1 is 3 segment structures, and root is most thick, is equipped with mounting hole 101, and middle part is equipped with screw thread, and both sides
Trimming 102, top is most thin, is equipped with annular groove 103, is equipped in the annular groove and clamps baffle ring 9.
Further, on the cylinder of the abnormity nut 5 be equipped with torsional spring 7, the torsional spring be helical structure, both ends bending,
One aperture 57 being inserted into beside the left sector notch of abnormity nut, one is inserted into the circular arc cutaway 32 of swivel nut 3.
Further, the positioning sleeve 2 be cylinder, center be equipped with flat round hole, at the top of helical teeth along clockwise direction, bottom
There is annular V-shaped groove in portion；The outer surface of swivel nut 3 is evenly distributed with 4 semi-circular grooves 36.
The invention has the advantages that：
1. the present invention is located at the inner ring of upper surface due to that will carry the positioning sleeve 2 of helical teeth its helical teeth, it is ensured that the position of helical teeth
It sets and is overlapped with the movement locus of mandril, so that the right-angle side of mandril is contacted always with helical teeth, and be stuck in helical teeth.
2. the present invention facilitates the installation and rotation of torsional spring due to the terraced structure for being set as abnormity nut 5.
3. disc structure of the present invention since abnormity nut 5 to be set as to bottom belt L-shaped notch, convenient for being installed in the indentation, there
Mandril.
4. the present invention can make the sector in swivel nut since abnormity nut 5 is set as disc structure of the middle part with sector notch
Boss is embedded in the sector notch.
5. cylindrical structure of the present invention since swivel nut 3 to be set as to boring, convenient for abnormity nut is mounted on swivel nut
It is internal.
6. the present invention can be such that the cylinder physical efficiency of abnormity nut wears since swivel nut 3 is set as upper surface band center hole structure
The circular hole is crossed, guarantee abnormity nut is coaxial with swivel nut.
7. the present invention can enable an end of torsional spring penetrate this since swivel nut 3 is set as upper surface band arc gap structure
Circular arc cutaway, and slided along the notch and generate torsion.
8. the present invention can enable the boss be embedded in abnormity nut since swivel nut 3 is set as the fan-shaped boss structure of internal band
In sector notch, when rotating clockwise swivel nut, swivel nut directly drives abnormity nut to rotate, when rotating swivel nut counterclockwise, in swivel nut
Fan-shaped boss slide to the inclined-plane of mandril first, so that the right-angle side of mandril is lifted, the helical teeth being detached from positioning sleeve reaches unlock
Purpose, and drive abnormity nut to rotate together by swivel nut.
Description of the drawings
Fig. 1 is existing self-locking device structure chart；
Fig. 2 is the Self-unlocking locking device structure figure of the present invention；
Fig. 3 is the screw-rod structure figure in the present invention；
Fig. 4 is the locating sleeve structure figure with helical teeth in the present invention；
Fig. 5 is the abnormity nut structure chart in the present invention；
Fig. 6 is the push rod structure figure in the present invention；
Fig. 7 is the screw bushing structure figure in the present invention；
Fig. 8 is the compression spring structure chart in the present invention；
Fig. 9 is the torsional spring structure chart in the present invention；
Figure 10 is the fixed axle structure figure in the present invention；
Figure 11 is the end cover structure figure in the present invention.
Below in conjunction with attached drawing, the present invention will be described in detail.
With reference to Fig. 2, the present invention includes screw rod 1, the positioning sleeve 2 with helical teeth, swivel nut 3, mandril 4, abnormity nut 5, compression spring
6, torsional spring 7, end cap 8, clamping baffle ring 9, fixing axle 10, pan head screw 11 and sunk screw 12.The wherein design of part of each section
It is as follows：
The screw rod 1, structure as shown in figure 3, it uses the integrative cylindrical structure including root, centre and top, and
Both sides trimming, is easily installed；Root is most thick, which is provided with mounting hole 101；Middle section is equipped with screw thread, and screw thread both sides are equipped with and cut
Side 102；Top is circle, and diameter is minimum, which is provided with annular mounting groove 103.
The positioning sleeve 2 with helical teeth, for structure as shown in figure 4, it is cylinder, center is equipped with irregularly-shaped hole 21, upper end
The inner ring in face is equipped with inclined helical teeth 22, lower face are internally provided with annular V-shaped groove 23 clockwise.
The swivel nut 3, structure is as shown in fig. 7, it is hollow cylindrical structure, and center is equipped with circular hole 31, and upper surface is equipped with
Circular arc cutaway 32 and threaded hole 34, there is chamfering 35 at the top of threaded hole, and swivel nut is internally provided with fan-shaped boss 33, boss and outer circle
The top edge of contact portion rounded corner, boss is equipped with chamfering；Swivel nut periphery has annular knurl, and is uniformly distributed 4 semi-circular grooves 36.
The mandril 4, for structure as shown in fig. 6, it is v-shaped rod-like structure, left side side is inclined-plane, and the right side is right-angle side,
The middle part of right-angle side is equipped with mounting hole 41.
The abnormity nut 5, structure as shown in figure 5, its be include lower disk 52, middle part disk 54 step cylinder
Body structure；Lower disk 52 carries L-shaped notch 51, which is equipped with the circular hole 55 through entire L-shaped notch, the circle
55 outer end circular arc of hole is cut, and the plane vertical with circular hole 55 is formed；Middle part disk 54 is equipped with symmetrical sector notch 53, should
Sector notch 53 and the long side of bottom L notch are orthogonal, and the circular arc on the left of the sector notch is cut, and are formed and L-shaped notch
The parallel plane of short side, in-plane are equipped with threaded hole 56, and aperture 57 is equipped in the left side plane of sector notch.
The compression spring 6, structure is as shown in figure 8, it is the v-shaped structure for including U-shaped member 61, and the marginal position of left side
Equipped with flanging；Right edge carries U-shaped member 61, and the middle part of the U-shaped member is equipped with mounting hole 62.
The torsional spring 7, structure is as shown in figure 9, it is helical structure of the both ends with bending edges.
The end cap 8, structure is as shown in figure 11, is thin rounded flakes structure, and centre is equipped with circular hole 81, and hole edge has chamfering.
The fixing axle 10, structure is as shown in Figure 10, is cylindrical structure with the level, and butt end has annular knurl.
The clamping baffle ring 9, is standard component, is C-shaped cyclic structure.
The pan head screw 11 is the pan head screw that head of screw is cross recess.
The sunk screw 12 is the screw for 90 degree of tapers of band that head of screw is cross recess.
The structural relation of above-mentioned part is as follows：
The irregularly-shaped hole 21 at 2 center of positioning sleeve with helical teeth is passed through from the top of screw rod 1, reaches the middle part of screw rod 1, and is stuck in
The root of screw rod 1 makes 21 right-angle side of irregularly-shaped hole at 2 center of positioning sleeve with helical teeth be overlapped with the trimming 102 at 1 middle part of screw rod, should
Positioning sleeve can be along screw slide, but cannot rotate；Abnormity nut 5 is mounted on the spiral shell at 1 middle part of screw rod by the threaded hole at its center
On line, and it is located at the upper surface of the positioning sleeve 2 with helical teeth；Fixing axle 10 passes through the aperture 41 in the middle part of 4 right side right-angle side of mandril, installation
In hole 55 in 5 lower disk of abnormity nut, mandril 4 is made to be fixed in the L-shaped notch 51 of 5 lower disk of abnormity nut；Disk
Head screw 11 passes through the aperture 62 at 6 right side U-shaped member of compression spring, 61 middle part and is fixed on the threaded hole of disk 54 in the middle part of abnormity nut
In 56, so that compression spring 6 is fixed in the middle part of abnormity nut on disk 54, and be pressed on the right-angle side of mandril 4, make the right-angle side of mandril 4
Always it is kept in contact with the helical teeth 22 with 2 top of helical teeth positioning sleeve；Torsional spring 7 is mounted on the cylinder of abnormity nut 5, torsional spring 7
One end bending edges be inserted into the aperture 57 on 5 middle part disk 54 of abnormity nut；Swivel nut 3 is mounted on different by its center hole 31
On the cylinder step of shape nut 5, the fan-shaped boss 33 inside swivel nut 3 is embedded in the sector notch 53 on 5 middle part disk of abnormity nut
It is interior, and the other end bending edges of torsional spring 7 is made to be inserted into the circular arc cutaway 32 of 3 upper end of swivel nut；The circular hole that end cap 8 passes through its center
81 are mounted on the cylinder step of abnormity nut 5, are located at the upper surface of swivel nut 3, and turn over to the top of 5 cylinder of abnormity nut
Riveting prevents end cap 8 from deviating from from abnormity nut 5；Sunk screw 12 is mounted in the threaded hole 34 at 3 arc gap 32 of swivel nut,
And head of screw is sunk in the counterbore 35 in 3 threaded upper ends hole 34 of swivel nut, and the bending edges of torsional spring 7 is made to be fixed on the most left of arc gap 32
Side；It clamps baffle ring 9 to be mounted in the annular groove 103 at 1 top of screw rod, abnormity nut 5 is prevented to be skidded off from screw rod 1.
In use, by passing through the hole 101 of 1 root of screw rod that Self-unlocking locking device is mounted on mounting bracket with pin,
And the annular V-shaped groove 23 inside the positioning sleeve 2 with helical teeth is made to be stuck in the L bracket needed in fixed equipment, pass through swivel nut 3
Tightening abnormity nut 5 makes equipment fix, and when operation, manual operations can be used, it is possible to use specific purpose tool is stuck in 4 outside swivel nut
It is operated in a semi-circular groove 36.
Above description is only example of the present invention, does not constitute any limitation of the invention, it is clear that for
It, all may be without departing substantially from the principle of the invention, structure after having understood the content of present invention and principle for one of skill in the art
In the case of, carry out various modifications in form and details and change, but these modifications and variations based on inventive concept
Still within the claims of the present invention.
Claims (10)
1. a kind of Self-unlocking locking device, including screw rod (1), the positioning sleeve (2) with helical teeth, swivel nut (3), abnormity nut (5),
End cap (8) and clamping baffle ring (9), it is characterised in that:
The inner ring of helical teeth (22) end face disposed thereon of the positioning sleeve (2) with helical teeth, and helical teeth tilts along clockwise direction；
Swivel nut (3) is the cylinder of boring, and upper surface is equipped with center hole (31) and circular arc cutaway (32), is internally provided with
Fan-shaped boss (33)；
Abnormity nut (5) is stepped cylinder, and bottom is the disk (52) with L-shaped notch (51), is that band is fan-shaped in the middle part of outer circle
The disk (54) of notch (53).
2. the apparatus according to claim 1, it is characterised in that the root of the L-shaped notch (51) of abnormity nut bottom is equipped with and passes through
The circular hole (55) of L-shaped notch is worn, the fixing axle (10) of step is housed in the circular hole.
3. the apparatus according to claim 1, it is characterised in that middle part disk (54) is equipped with parallel with L-shaped notch short side
Plane, in-plane are equipped with threaded hole (56).
4. the apparatus according to claim 1, it is characterised in that sector notch (53) be bilateral symmetry, and with bottom L
The long side of v notch v is orthogonal, and aperture (57) is equipped with beside left sector notch.
5. the apparatus according to claim 1, it is characterised in that the side of circular arc cutaway (32) is equipped with threaded hole (34), should
Sunk screw (12) is housed, counterbore (35) is arranged at top in threaded hole (34).
6. the apparatus according to claim 1, it is characterised in that mandril is housed at the L-shaped notch (51) of abnormity nut (5)
(4), which is v-shaped, and left side is inclined-plane, and right side is right-angle side, and the middle part of the right-angle side is equipped with mounting hole (41).
7. the apparatus according to claim 1, it is characterised in that the threaded hole (56) of the middle part disk (54) of abnormity nut (5)
Place is equipped with compression spring (6), which is V-arrangement, and the marginal position of left side is equipped with flanging, and right edge carries U-shaped member
(61), the middle part of the U-shaped member is equipped with mounting hole (62), and pan head screw (11) is housed in mounting hole (62).
8. the apparatus according to claim 1, it is characterised in that screw rod (1) is 3 segment structures, and root is most thick, is equipped with mounting hole
(101), middle part is equipped with screw thread, and both sides trimming (102), and top is most thin, is equipped with annular groove (103), folder is housed in the annular groove
Tight baffle ring (9).
9. the apparatus according to claim 1, it is characterised in that torsional spring (7), the torsion are housed on the cylinder of abnormity nut (5)
Spring is helical structure, and both ends bending, the aperture (57) beside the left sector notch of abnormity nut, other end insertion spiral shell are inserted into one end
In the circular arc cutaway (32) for covering (3).
10. the apparatus according to claim 1, it is characterised in that：
Positioning sleeve (2) be cylinder, center be equipped with flat round hole, at the top of helical teeth along clockwise direction, cyclic annular V-arrangement is arranged at bottom
Slot；
The outer surface of swivel nut (3) is evenly distributed with 4 semi-circular grooves (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339288.5A CN108286547A (en) | 2017-12-14 | 2017-12-14 | Self-unlocking locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339288.5A CN108286547A (en) | 2017-12-14 | 2017-12-14 | Self-unlocking locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108286547A true CN108286547A (en) | 2018-07-17 |
Family
ID=62832032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711339288.5A Pending CN108286547A (en) | 2017-12-14 | 2017-12-14 | Self-unlocking locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108286547A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769395A (en) * | 2021-12-31 | 2022-07-22 | 中国航发长春控制科技有限公司 | Girdle forming tool capable of controlling acting force |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2633213A (en) * | 1947-05-20 | 1953-03-31 | Houplain Rene Benjamin | Self-locking device |
| RU2234005C2 (en) * | 2002-08-21 | 2004-08-10 | Федеральное государственное унитарное предприятие "Московский институт теплотехники" | Device for locking members detached from housing |
| CN101769279A (en) * | 2008-12-31 | 2010-07-07 | 中国航空工业第一集团公司第六三一研究所 | Locking device |
| CN201853044U (en) * | 2010-10-25 | 2011-06-01 | 刘昊 | Fast locking device |
| CN104373425A (en) * | 2014-11-05 | 2015-02-25 | 湖南南车时代电动汽车股份有限公司 | Locking device and access cover with same |
| CN204403066U (en) * | 2015-01-14 | 2015-06-17 | 青岛鑫泉塑料机械有限公司 | A kind of axial quick-locking device |
| CN105470752A (en) * | 2014-09-03 | 2016-04-06 | 华为技术有限公司 | Locking mechanism of RF connector, and radio frequency connector having locking mechanism |
| CN207583757U (en) * | 2017-12-14 | 2018-07-06 | 陕西长岭电子科技有限责任公司 | A kind of Self-unlocking locking device |
-
2017
- 2017-12-14 CN CN201711339288.5A patent/CN108286547A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2633213A (en) * | 1947-05-20 | 1953-03-31 | Houplain Rene Benjamin | Self-locking device |
| RU2234005C2 (en) * | 2002-08-21 | 2004-08-10 | Федеральное государственное унитарное предприятие "Московский институт теплотехники" | Device for locking members detached from housing |
| CN101769279A (en) * | 2008-12-31 | 2010-07-07 | 中国航空工业第一集团公司第六三一研究所 | Locking device |
| CN201853044U (en) * | 2010-10-25 | 2011-06-01 | 刘昊 | Fast locking device |
| CN105470752A (en) * | 2014-09-03 | 2016-04-06 | 华为技术有限公司 | Locking mechanism of RF connector, and radio frequency connector having locking mechanism |
| CN104373425A (en) * | 2014-11-05 | 2015-02-25 | 湖南南车时代电动汽车股份有限公司 | Locking device and access cover with same |
| CN204403066U (en) * | 2015-01-14 | 2015-06-17 | 青岛鑫泉塑料机械有限公司 | A kind of axial quick-locking device |
| CN207583757U (en) * | 2017-12-14 | 2018-07-06 | 陕西长岭电子科技有限责任公司 | A kind of Self-unlocking locking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769395A (en) * | 2021-12-31 | 2022-07-22 | 中国航发长春控制科技有限公司 | Girdle forming tool capable of controlling acting force |
| CN114769395B (en) * | 2021-12-31 | 2023-10-03 | 中国航发长春控制科技有限公司 | Annular belt forming tool capable of controlling acting force |
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