CN104405735A - Combined connecting rod and automatic lock catch device - Google Patents
Combined connecting rod and automatic lock catch device Download PDFInfo
- Publication number
- CN104405735A CN104405735A CN201410664800.3A CN201410664800A CN104405735A CN 104405735 A CN104405735 A CN 104405735A CN 201410664800 A CN201410664800 A CN 201410664800A CN 104405735 A CN104405735 A CN 104405735A
- Authority
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- China
- Prior art keywords
- groove
- rear end
- coupling rod
- connecting rod
- steel ball
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 50
- 238000010168 coupling process Methods 0.000 claims description 50
- 238000005859 coupling reaction Methods 0.000 claims description 50
- 229910000831 Steel Inorganic materials 0.000 claims description 37
- 239000010959 steel Substances 0.000 claims description 37
- 230000007704 transition Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000002457 bidirectional effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- 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
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- 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
-
- 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
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/02—Releasable fastening devices locking by rotation
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- 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
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/06—Releasable fastening devices with snap-action
- F16B21/08—Releasable fastening devices with snap-action in which the stud, pin, or spigot has a resilient part
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- 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
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
- F16B21/16—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft
- F16B21/165—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft with balls or rollers
Abstract
The invention discloses a combined connecting rod and an automatic lock catch device. The combined connecting rod comprises a connecting rod body, wherein a clamping groove is formed in the tail of the connecting rod body, and a nut in threaded connection is arranged at the head of the connecting rod body; an axially extending rotation stopping groove is further formed in the connecting rod body. The combined connecting rod with the nut is adopted, after the combined connecting rod is mounted, the connecting rod body is not rotated, the locking of the connecting rod is realized by utilizing the arranged nut, the combined connecting rod is cooperatively used together with a plug-in mounting type automatic locking structure, and the combined connecting rod can be used for the connection between box bodies for large-scale display screens, so that the box bodies are quickly and reliably connected. A bidirectionally separable transmission handle is further adopted, and the combined connecting rod is particularly suitable for the mounting in narrow spaces.
Description
Technical field
The present invention relates to a kind of fixed connection structure, more particularly refer to a kind of combined type coupling rod and automatic locking device.
Background technique
In existing connecting structure, normally need instrument to realize the locking after two article connections, make the connection between two article and dismounting inconvenient all completely, especially for display products, normally realized the assembling of large display screen in the mode be coupled to each other by multiple casing, when needing to be assembled into different products, the mounting or dismounting between casing are very frequent, and traditional connecting structure causes installing and removing decrease in efficiency.
Therefore, have and must develop novel connecting structure, make it have the function of quick locking, improve efficiency of assembling.
Summary of the invention
The object of the invention is to the defect overcoming prior art, a kind of combined type coupling rod and automatic locking device are provided.
For achieving the above object, the present invention is by the following technical solutions:
A kind of combined type coupling rod, comprise coupling rod body, the afterbody of coupling rod body is provided with buckling groove, and the head of described coupling rod body is provided with the nut of scyewed joint; Described coupling rod body is also provided with axially extended spline groove.
Its further technological scheme is: described nut periphery is also connected with the handle of two-way detachable transmission joint; The end being provided with buckling groove is also provided with guiding tapered portion.
A kind of automatic locking device, comprises aforesaid combined type coupling rod, and the automatic lock structure connected with the afterbody of coupling rod body; Described automatic lock structure comprises the fixed base pipe that connect removable with coupling rod body; The front end of described fixed base pipe is the jack portion for inserting coupling rod, and the rear end of fixed base pipe is also connected with fixed cover; On the round wall in described jack portion, hoop is provided with several steel ball holes; Be provided with in described steel ball hole can be radial movable steel ball; Also comprise and be sheathed on fixed base pipe periphery and elasticity is only butted on the outer sleeve of fixed cover and is positioned at rear end, jack portion and elasticity is only butted on the inner sleeve of fixed cover; The front end of described outer sleeve is provided with the rollback groove for the accommodating steel ball discharged.
Its further technological scheme is: the periphery of described fixed cover is provided with the lug boss extended forward; The rear end of described outer sleeve is provided with the lock groove corresponding with lug boss and opening groove; When outer sleeve rotates to opening groove respective protrusions portion, apply external force and make it slide into rollback groove to the back-end corresponding to steel ball hole, coupling rod is inserted into insertion part from the front end of fixed base pipe, and inner sleeve pressurized moves to the back-end, and steel ball is outwards extruded into rollback groove; When the buckling groove of coupling rod corresponds to the position in steel ball hole, release external force, outer sleeve slides outward by elastic force, and the point of contact of steel ball and outer sleeve is slided to the inner hole wall of outer sleeve by rollback groove, the stressed inside compression of steel ball is also placed in buckling groove, and rotary sleeve cylinder corresponds to lug boss to lock groove.
Its further technological scheme is: also comprise the outer spring being sheathed on fixed cover periphery, and described fixed cover is provided with endoporus, and described endoporus is provided with inner spring.
Its further technological scheme is: the rear end of described fixed base pipe is provided with inward flange; Described inner sleeve is provided with the front end slide part coordinated with jack portion and the rear end slide part coordinated with inward flange; The rear end of described inner sleeve is also connected with the inner end cap being only butted on fixed base pipe ear end face.
Its further technological scheme is: described fixed cover and fixed base pipe are screw joints, and described inner end cap and inner sleeve are also screw joints.
Its further technological scheme is: be provided with transition slot portion between described lock groove and opening groove; The rear end of described outer spring and the periphery, rear end of fixed cover are fixedly connected, and the front end of outer spring and the rear end of outer sleeve are fixedly connected; Transition slot portion and lug boss are to the rearward pulling force of outer sleeve time corresponding by outer spring.
Its further technological scheme is: the periphery, rear end of described fixed cover is provided with the boss joint part with outer spring rear end endoporus interference fit; The rear end of described outer sleeve is provided with the spring eye for accommodating outer spring, and the bottom of described spring eye is provided with and joint part in the cylindrical interference fit of outer spring front end.
Its further technological scheme is: described fixed base pipe front end is provided with the chimb that radial outside direction extends, and described chimb is provided with mounting hole; The periphery of described outer sleeve is provided with anti-skidding circumferential groove.
The present invention's beneficial effect is compared with prior art: present invention employs the combined type coupling rod with nut, after mounting, coupling rod body non rotating, the nut be provided with is utilized to realize the locking of coupling rod, use is combined together with the automatic lock structure of plug-in type, connection between the casing can using it for large display screen, is undertaken each casing reliably connecting again fast.Additionally use the handle of two-way detachable transmission, be particularly suitable for the installation of small space.
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the end view (handle is in disassembled state) of a kind of combined type coupling rod of the present invention specific embodiment;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the three-dimensional structure diagram (separated position) in automatic locking device specific embodiment of the present invention.
Fig. 4 is the end view of the automatic lock structure specific embodiment in Fig. 3 embodiment;
Fig. 5 is the B-B sectional view (connection of fixed base Guan Weiyu coupling rod) of Fig. 4;
Fig. 6 is the B-B sectional view (fixed base pipe connects with coupling rod) of Fig. 4;
Fig. 7 is the stereogram of inner sleeve in Fig. 4 and steel ball;
Fig. 8 is the stereogram of fixed base pipe in Fig. 4 and fixed cover;
Fig. 9 is the stereogram in Fig. 4.
Reference character
10 coupling rod body 11 buckling grooves
12 spline groove 13 nuts
20 fixed base pipe 201 inward flanges
202 chimb 203 mounting holes
21 steel ball hole, jack portions 210
22 fixed cover 220 endoporus
221 lug boss 222 outer springs
223 inner spring 23 steel balls
31 outer sleeve 311 rollback grooves
312 lock groove 313 opening grooves
The 314 anti-skidding circumferential groove in transition slot portion 317
319 inner hole wall 32 inner sleeves
328 rear end slide part 329 front end slide parts
33 inner end cap 40 handles
Tapering in 19 tapered portion 327
131 hoop tooth-like part 40 handles
41 handle body 42 cavitys
43 bidirectional modulation handle 431 hinging holes
432 reverse engaging pieces 433 forward engaging piece
434 stir the hinged screw in portion 44
45 pretension seat 451 preloading springs
452 adjusting screw 411 adjustment holes
450 pretension spacing balls
Embodiment
In order to more fully understand technology contents of the present invention, below in conjunction with specific embodiment technological scheme of the present invention being introduced further and illustrating, but being not limited to this.
As shown in Figure 1-2, a kind of combined type coupling rod of the present invention, comprise coupling rod body 10, the afterbody of coupling rod body 10 is provided with buckling groove 11, and the head of coupling rod body 10 is provided with the nut 13 of scyewed joint; Coupling rod body 10 is also provided with axially extended spline groove 12.When connecting, coupling rod body 10 can not rotate because being provided with spline groove 12, can pass through dismantling device rotating nut 13, thus realizes coupling rod to the locking connection between workpiece.In the present embodiment, be also connected with the handle 40 of two-way detachable transmission joint in nut 13 periphery.Handle 40 comprises and rotates with coupling rod body 10 handle body 41 connected, and nut 13 is provided with the hoop tooth-like part 131 being positioned at handle body 41; Handle body 41 is provided with cavity 42, is provided with the bidirectional modulation handle 43 being articulated with handle body 41 in cavity 42; Bidirectional modulation handle 43 is provided with hinging hole 431 (being fixed in handle body 41 by hinged screw 44), and is symmetrically set in reverse engaging piece 432 and the forward engaging piece 433 of hinging hole 431 both sides; Forward engaging piece 433 extends to the portion of stirring 434 outside handle body 41 laterally.When touch stir portion 434 to different position time, can allow handle forward or reverse promotion nut, thus make screwing or unscrewing of nut, when narrow space, combined type coupling rod can be realized the locking between workpiece is connected.Such as multiple casings of fixing display screen.Because bidirectional modulation handle needs the state remaining on forward engagement or reverse engagement, therefore, be provided with seamed edge 439 at the side of hinging hole 431, handle body 41 is also fixed with pretension seat 45, in pretension seat 45, be provided with pretension spacing ball 450, preloading spring 451 and adjusting screw 452 successively.Handle body 41 is also being provided with the adjustment hole 411 corresponding to adjusting screw 452, to realize the adjustment to pretightening force.Because the strong point of bidirectional modulation handle is at hinging hole place, when reverse engaging piece 432 is in engagement, can only torsion on reverse transmission handle, time reverse, can decomposing force be formed, thus allow reverse engaging piece 432 be in disengaged position; When forward engaging piece 433 is in engagement, forward can only transmit the torsion on handle, time reverse, can decomposing force be formed, thus allow forward engaging piece 433 be in disengaged position.Hoop tooth-like part wherein, reverse engaging piece 432 and forward engaging piece 433 preferentially adopt lance tooth.Handle body adopts upper and lower covers structure.
As shown in Figure 3, a kind of automatic locking device of the present invention, comprises combined type coupling rod, and the automatic lock structure S connected with the afterbody of coupling rod body 10.As shown in Fig. 4-Fig. 9, the automatic lock structure adopted in automatic locking device of the present invention, comprises the fixed base pipe 20 that connect removable with the coupling rod body 10 being provided with buckling groove 11; The front end of fixed base pipe 20 is the jack portion 21 for inserting coupling rod, and the rear end of fixed base pipe 20 is also connected with fixed cover 22; On the round wall in jack portion 21, hoop is provided with six steel ball holes 210; Be provided with in steel ball hole 210 can be radial movable steel ball 23; Also comprise and be sheathed on fixed base pipe 20 periphery and elasticity is only butted on the outer sleeve 31 of fixed cover 22 and is positioned at rear end, jack portion 21 and elasticity is only butted on the inner sleeve 32 of fixed cover 22; The front end of outer sleeve 31 is provided with the rollback groove 311 for the accommodating steel ball 23 discharged; The periphery of fixed cover 22 is provided with the lug boss 221 extended forward; The rear end of outer sleeve 31 is provided with the lock groove 312 corresponding with lug boss 221 and opening groove 313; When outer sleeve 31 rotates to opening groove 313 respective protrusions portion 221, steel ball hole 210 is corresponded to when it slides into rollback groove 311 to the back-end, inner sleeve 32 is under the effect of elastic force, be in front position, block steel ball 23 to move to center, steel ball 23 blocks outer sleeve 31 forward end further and moves, remain on the position of rear end, namely inner sleeve 32 is positioned at foremost, block steel ball 23 not move to the inside, when not inserting coupling rod body 10, inner sleeve 32 remains on the position of front end always, and outer sleeve 31 remains on the position of rear end always.When coupling rod body 10 is inserted into jack portion 21 from the front end of fixed base pipe 20, inner sleeve 32 pressurized moves to the back-end, and steel ball 23 is outwards extruded into rollback groove 311; When the buckling groove 11 of coupling rod body 10 corresponds to the position in steel ball hole 210, outer sleeve 31 slides by elastic force forward end, steel ball 23 is slided to the inner hole wall 319 of outer sleeve 31 with the point of contact of outer sleeve 31 by rollback groove 311, the stressed inside compression of steel ball 23 is also placed in buckling groove 11, auto lock can be realized like this, in order to safer, prevent outer sleeve be subject to the effect of improper external force and be moved, outer sleeve 31 can be rotated to lock groove 312 corresponding to lug boss 221.In order to easy to operate, the present embodiment is designed to 90-degree rotation.Wherein, the degree of depth of lock groove is far smaller than the degree of depth of opening groove, and when lock groove corresponds to lug boss, outer sleeve can only the axial activity stroke of several millimeters.
Also comprise the outer spring 222 (acting on outer sleeve 31) being sheathed on fixed cover 22 periphery, fixed cover 22 is provided with endoporus 220, and endoporus 220 is provided with inner spring 223 (acting on inner sleeve 32).The rear end of fixed base pipe 20 is provided with inward flange 201; Inner sleeve 32 is provided with the front end slide part 329 coordinated with jack portion 21 and the rear end slide part 328 coordinated with inward flange 201; The rear end of inner sleeve 32 is also connected with the inner end cap 33 being only butted on fixed base pipe 20 ear end face, and inner spring 223 acts on inner end cap 33.
For the ease of processing and installation, fixed cover 22 and fixed base pipe 20 are screw joints, and inner end cap 33 and inner sleeve 32 are also screw joints.
Transition slot portion 314 is provided with between lock groove 312 and opening groove 313; The rear end of outer spring 222 and the periphery, rear end of fixed cover 22 are fixedly connected, and the front end of outer spring 222 and the rear end of outer sleeve 31 are fixedly connected; Transition slot portion 314 and lug boss 221 to the time in of corresponding outer sleeve 31 is subject to the rearward pulling force of outer spring 222 (when this rearward pulling force can allow outer sleeve be in lock position, when without External Force Acting, lug boss is in lock groove all the time, and can not automatically slide out to transition slot portion 314).In order to realize this rearward pulling force, the periphery, rear end of fixed cover 22 is provided with the boss joint part (not shown) with outer spring 222 rear end endoporus interference fit; The rear end of outer sleeve 31 is provided with the spring eye for accommodating outer spring 222, and the bottom of spring eye is provided with and joint part (not shown) in the cylindrical interference fit of outer spring front end.
In order to realize the installation of fixed base pipe 20, be provided with the chimb 202 that radial outside direction extends in its front end, chimb 202 is provided with mounting hole 203.The periphery of outer sleeve 31 is also provided with anti-skidding circumferential groove 317.
As the further preferred implementation of the present embodiment, in order to prevent steel ball, (such as inner sleeve is inwardly pressed with screw-driver by staff when the restriction not being subject to inner sleeve, screw-driver volume is little, coupling rod can not be blocked like that steel ball to axle central slide), to jack, portion drops out, and the inner end in steel ball hole can be less than the diameter of steel ball.
In a word, present invention employs the combined type coupling rod with nut, after mounting, coupling rod body non rotating, the nut be provided with is utilized to realize the locking of coupling rod, be combined together use with the automatic lock structure of plug-in type, the connection between the casing can using it for large display screen, is undertaken each casing reliably connecting again fast.Additionally use the handle of two-way detachable transmission, be particularly suitable for the installation of small space.
Above-mentionedly only further illustrate technology contents of the present invention with embodiment, so that reader is easier to understand, but does not represent embodiments of the present invention and be only limitted to this, any technology done according to the present invention extends or recreation, all by protection of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a combined type coupling rod, comprises coupling rod body, it is characterized in that the afterbody of coupling rod body is provided with buckling groove, and the head of described coupling rod body is provided with the nut of scyewed joint; Described coupling rod body is also provided with axially extended spline groove.
2. a kind of combined type coupling rod according to claim 1, is characterized in that described nut periphery is also connected with the handle of two-way detachable transmission joint.
3. an automatic locking device, is characterized in that comprising combined type coupling rod according to claim 1, and the automatic lock structure connected with the afterbody of coupling rod body; Described automatic lock structure comprises the fixed base pipe that connect removable with coupling rod body; The front end of described fixed base pipe is the jack portion for inserting locking bar, and the rear end of fixed base pipe is also connected with fixed cover; On the round wall in described jack portion, hoop is provided with several steel ball holes; Be provided with in described steel ball hole can be radial movable steel ball; Also comprise and be sheathed on fixed base pipe periphery and elasticity is only butted on the outer sleeve of fixed cover and is positioned at rear end, jack portion and elasticity is only butted on the inner sleeve of fixed cover; The front end of described outer sleeve is provided with the rollback groove for the accommodating steel ball discharged.
4. a kind of automatic locking device according to claim 3, is characterized in that the periphery of described fixed cover is provided with the lug boss extended forward; The rear end of described outer sleeve is provided with the lock groove corresponding with lug boss and opening groove; When outer sleeve rotates to opening groove respective protrusions portion, apply external force and make it slide into rollback groove to the back-end corresponding to steel ball hole, locking bar is inserted into insertion part from the front end of fixed base pipe, and inner sleeve pressurized moves to the back-end, and steel ball is outwards extruded into rollback groove; When the hoop locked groove of locking bar corresponds to the position in steel ball hole, release external force, outer sleeve slides outward by elastic force, the point of contact of steel ball and outer sleeve is slided to the inner hole wall of outer sleeve by rollback groove, the stressed inside compression of steel ball is also placed in hoop locked groove, and rotary sleeve cylinder corresponds to lug boss to lock groove.
5. a kind of automatic locking device according to claim 4, characterized by further comprising the outer spring being sheathed on fixed cover periphery, described fixed cover is provided with endoporus, and described endoporus is provided with inner spring.
6. a kind of automatic locking device according to claim 5, is characterized in that the rear end of described fixed base pipe is provided with inward flange; Described inner sleeve is provided with the front end slide part coordinated with jack portion and the rear end slide part coordinated with inward flange; The rear end of described inner sleeve is also connected with the inner end cap being only butted on fixed base pipe ear end face.
7. a kind of automatic locking device according to claim 6, is characterized in that described fixed cover and fixed base pipe are screw joints, and described inner end cap and inner sleeve are also screw joints.
8. a kind of automatic locking device according to claim 5, is characterized in that being provided with transition slot portion between described lock groove and opening groove; The rear end of described outer spring and the periphery, rear end of fixed cover are fixedly connected, and the front end of outer spring and the rear end of outer sleeve are fixedly connected; Transition slot portion and lug boss are to the rearward pulling force of outer sleeve time corresponding by outer spring.
9. a kind of automatic locking device according to claim 8, is characterized in that the periphery, rear end of described fixed cover is provided with the boss joint part with outer spring rear end endoporus interference fit; The rear end of described outer sleeve is provided with the spring eye for accommodating outer spring, and the bottom of described spring eye is provided with and joint part in the cylindrical interference fit of outer spring front end.
10. a kind of automatic locking device according to claim 4, it is characterized in that described fixed base pipe front end is provided with the chimb of radial outside direction extension, described chimb is provided with mounting hole; The periphery of described outer sleeve is provided with anti-skidding circumferential groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410664800.3A CN104405735B (en) | 2014-11-19 | 2014-11-19 | A kind of combined type coupling bar and automatic locking device |
| PCT/CN2015/076730 WO2016078311A1 (en) | 2014-11-19 | 2015-04-16 | Combined connecting rod and automatic locker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410664800.3A CN104405735B (en) | 2014-11-19 | 2014-11-19 | A kind of combined type coupling bar and automatic locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104405735A true CN104405735A (en) | 2015-03-11 |
| CN104405735B CN104405735B (en) | 2017-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410664800.3A Active CN104405735B (en) | 2014-11-19 | 2014-11-19 | A kind of combined type coupling bar and automatic locking device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104405735B (en) |
| WO (1) | WO2016078311A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016078311A1 (en) * | 2014-11-19 | 2016-05-26 | 深圳市创显光电有限公司 | Combined connecting rod and automatic locker |
| US20210179281A1 (en) * | 2019-12-12 | 2021-06-17 | Goodrich Corporation | Releasable restraint for evacuation assemblies |
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| CN102168702B (en) * | 2011-01-26 | 2012-11-14 | 深圳市洲明科技股份有限公司 | Latch connecting device, light emitting diode (LED) box body and LED display screen |
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| CN104454867B (en) * | 2014-11-19 | 2017-04-12 | 深圳市创显光电有限公司 | Both-way separable transmission linkage handle and automatic locker |
| CN104405735B (en) * | 2014-11-19 | 2017-07-28 | 深圳市创显光电有限公司 | A kind of combined type coupling bar and automatic locking device |
| CN204229304U (en) * | 2014-11-19 | 2015-03-25 | 深圳市创显光电有限公司 | The automatic lock structure that band insures and the display screen be made up of it |
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- 2014-11-19 CN CN201410664800.3A patent/CN104405735B/en active Active
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2015
- 2015-04-16 WO PCT/CN2015/076730 patent/WO2016078311A1/en active Application Filing
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| GB549179A (en) * | 1941-12-20 | 1942-11-10 | Reginald Arthur William Spoone | Improvements in or relating to coupling or connecting devices |
| GB644171A (en) * | 1948-03-24 | 1950-10-04 | Erik Waldemar Broden | Improvements in quick connecting devices |
| DE1900030A1 (en) * | 1968-01-10 | 1969-09-25 | Rex Chainbelt Inc | Releasable locking device |
| DE1900030B2 (en) * | 1968-01-10 | 1972-02-10 | Rex Chainbelt Ine , Milwaukee, Wis (VStA) | QUICK RELEASE LOCKING DEVICE FOR A PLUNGER IN PARTICULAR FOR A MEDICAL SYRINGE |
| US4477121A (en) * | 1982-09-30 | 1984-10-16 | Atkins Michael T | Quick release wheel |
| CN2934704Y (en) * | 2006-06-29 | 2007-08-15 | 黄华道 | Lock with quick assemble and disassemble function |
| CN102146945A (en) * | 2011-03-29 | 2011-08-10 | 深圳市艾比森光电股份有限公司 | Telescopic connection device |
| CN202079542U (en) * | 2011-04-28 | 2011-12-21 | 西安石油大学 | Lifting operation wrench |
| CN203297209U (en) * | 2013-05-28 | 2013-11-20 | 深圳市艾比森光电股份有限公司 | Display screen assembling and disassembling structure |
| CN204312471U (en) * | 2014-11-19 | 2015-05-06 | 深圳市创显光电有限公司 | A kind of combined type coupling rod and automatic locking device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016078311A1 (en) * | 2014-11-19 | 2016-05-26 | 深圳市创显光电有限公司 | Combined connecting rod and automatic locker |
| US20210179281A1 (en) * | 2019-12-12 | 2021-06-17 | Goodrich Corporation | Releasable restraint for evacuation assemblies |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016078311A1 (en) | 2016-05-26 |
| CN104405735B (en) | 2017-07-28 |
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