CN203614533U - Rapid connection looseness preventing device - Google Patents
Rapid connection looseness preventing device Download PDFInfo
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- CN203614533U CN203614533U CN201320683624.9U CN201320683624U CN203614533U CN 203614533 U CN203614533 U CN 203614533U CN 201320683624 U CN201320683624 U CN 201320683624U CN 203614533 U CN203614533 U CN 203614533U
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Abstract
The utility model discloses a rapid connection looseness preventing device which comprises a first main rod, a second main rod, a connection looseness preventing device and a connection structure rotary knob, wherein the connection looseness preventing device comprises a first joint and a second joint; the connection structure rotary knob is slidably sleeved on the first joint or the second joint and used for limiting sliding off from the lower end of the first joint or the upper end of the second joint; anti-rotation structures which are mutually combined and used for preventing the two joints from rotating relative to each other are arranged between the opposite end parts of the two joints. During a detachable connection process, a connection structure can drive the anti-rotation structures between the lower end of the first joint and the upper end of the second joint to be combined. According to the rapid connection looseness preventing device disclosed by the utility model, the connection structure enables that the first joint and the second joint can prop against each other and are tightly connected; the anti-rotation structures enable that the first main rod and the second main rod can not rotate relative to each other after being connected, so that the requirement of photographic camera equipment on the stability is met; the anti-rotation structures are driven by virtue of the connection structure during connection, so that rapid and convenient connection can be realized.
Description
Technical field
The utility model relates to a kind of connection set, relates in particular to the quick connection anti-loose device between a kind of bar and bar.
Background technique
The traditional photography tripod of selling or using on market, the locking of each one-level pipe fitting and secondary pipe fitting is by joint, lock sleeve, and the locking of these one or more hatch lock collars between the two realizes.From practical effect, this structural type is simple, but between pin pipe fitting, locking is used antidetonation not high in the time that photographing foot stand locking is taken, and Guan Shihui causes plastic parts stuck in pin pipe at locking pin, because hatch lock collar design is multiple and is not with tapering, user, in the time of the sand and dust of clearing up in photography pin pipe, can not reinstall, and brings many troubles to user.
In order to address the above problem, Chinese patent literature CN201310727Y discloses a kind of locking device of extendable leg tubes of tripod, comprises one-level pipe fitting, one-level pipe fitting is provided with joint, joint outside is provided with screw thread, secondary pipe fitting, clamp ring, lock sleeve, lock sleeve inside is provided with screw thread, and the outer conical surface with tapering opening is arranged at clamp ring top, and there is the internal conical surface coordinating with outer conical surface joint lower end, in clamp ring, have positioning boss, lock sleeve is provided with slot to make way.In the locking device of the extendable leg tubes of tripod described in above-mentioned patent documentation, pass through rotary locking cover, internal thread in lock sleeve and the outside thread of joint interact, make the band tapering hatch lock collar pressurized between lock sleeve and joint, the lower end internal conical surface of the outer conical surface with the collar of tapering hatch lock and joint is interfered, be stuck in the slot to make way the inside of lock sleeve with the positioning step of tapering hatch lock collar, in band tapering inclined-plane, hatch lock collar lower end and lock sleeve, interfere on inclined-plane, cause the collar of band tapering hatch lock to hold secondary pipe fitting tightly, thereby reach the object of locking secondary pipe fitting.
But in the locking device of the extendable leg tubes of tripod described in above-mentioned patent documentation, by the collar of compressive zone tapering hatch lock, make to be clamped in the lower end internal conical surface of joint with the outer conical surface of conicity locking circle, realize the locking of one-level pipe fitting and secondary pipe fitting, but this locking device is in the time manufacturing assembling, coaxality to the internal thread on clamp ring and lock sleeve with tapering is had relatively high expectations, otherwise the screw-threaded coupling between lock sleeve and joint, with insertion between clamp ring and joint inner cone arm can interfere with each other and cannot quick mounting, even cannot install.
Model utility content
For this reason, technical problem to be solved in the utility model is that the locking device structure of extendable leg tubes of tripod of the prior art is unreasonable, can not realize the problem that fast and reliable connects, and then provide a kind of rational in infrastructure, can be used for the quick connection anti-loose device on photographing foot stand.
For solving the problems of the technologies described above, the quick connection anti-loose device of one of the present utility model, it comprises the first mobile jib, the second mobile jib, and the connection anti-loose device that described the first mobile jib and described the second mobile jib are linked together, described connection anti-loose device comprises
Be arranged on the first joint on described the first mobile jib;
Be arranged on the second joint on described the second mobile jib;
And be set in slidably on described the first joint, and restriction from described the first joint towards one end of described the second joint slippage or be set in slidably described the second joint, and restriction is from the linkage structure towards one end of described the first joint slippage of described the second joint;
Between the end relative with described the second joint, the lower end of described the first joint, be provided with to mutually combine and prevent the rotation prevention structure that described the first joint and described the second joint relatively rotate, described linkage structure slides to described the second joint or described the first joint from its sheathed described the first joint or described the second joint, and in the process removably connecting with described the second joint or described the first joint, drive its sheathed described the first joint or described the second joint sliding, make the described rotation prevention structure combination between end that described the first joint is relative with described the second joint.
Described rotation prevention structure comprises dop or the draw-in groove of the end that is molded over described the first joint, and mates with described dop or draw-in groove, is molded over draw-in groove or the dop of the end of described the second joint.
Described linkage structure is for connecting knob, and described connection knob sleeve is located on described the first joint or described the second joint, and removably connects by screw thread between described connection knob and described the second joint or described the first joint.
One end towards described the first mobile jib of described the first joint is up-narrow and down-wide taper, described connection knob the one end towards described the first mobile jib form corresponding conical internal cavity, described connection knob on the inwall of one end of described the second mobile jib, form internal thread, on the outer wall of described the second joint, form the outside thread of coupling;
The outside of described the second joint is also arranged with the described outside thread preventing on described the second joint scrapes the connection protective cap of hand.
Described joint overcoat is hollow structure, the lower end circumferential inner wall of described connection protective cap is connected with described the second joint screw thread, and described one end towards described the second joint that is connected knob that the gap between the circumferential inner wall of one end towards described the second mobile jib of described connection protective cap and the outer circumferential walls of described the second joint is applicable to being set on described the first joint screws in.
Described linkage structure is for connecting knob, and described connection knob sleeve is located on described the second joint, and removably connects by screw thread between described connection knob and described the first joint.
One end towards described the first joint of described the second joint is taper wide at the top and narrow at the bottom, one end towards described the second mobile jib of described connection knob forms corresponding conical internal cavity, described connection knob on the inwall of one end of described the first joint, form internal thread, on the outer wall of described the first joint, form the outside thread of coupling.
The outside of described the first joint is also arranged with the described outside thread preventing on described the first joint scrapes the connection protective cap of hand.
Described joint overcoat is hollow structure, being connected with described the first joint screw thread towards one end of described the first mobile jib circumferential inner wall of described connection protective cap, described one end towards described the first mobile jib that is connected knob that the gap between one end of described the second joint circumferential inner wall and the outer circumferential walls of described the second joint of described connection protective cap is applicable to being set on described the second joint screws in.
Described dop be molded over described the first joint the one end towards described the second joint be pyramid shape wide at the top and narrow at the bottom, described draw-in groove is the pyramid shape inner chamber of one end towards described the first joint of the second joint described in moulding;
Described dop be molded over described the second joint the one end towards described the first joint be up-narrow and down-wide pyramid shape, described draw-in groove is the pyramid shape inner chamber of one end towards described the second joint of the first joint described in moulding.
Described pyramid shape is shaped to the hexagonal frustum of a pyramid, and described pyramid shape inner chamber is shaped to corresponding hexagonal pyramid shape groove.
Insert in described the second mobile jib one end towards described the second mobile jib of described the second joint, and be threaded with described the second mobile jib; The place of cooperatively interacting of described the second joint and described the second mobile jib also scribbles glue.
The step hole that forms axial direction on the end face of one end of described the first mobile jib of described the first joint, insert in described step hole described first mobile jib mobile jib one end, and prop up the step surface of described step hole, described the first termination, mobile jib one end outer wall is threaded by engage thread with described the first inner nosepiece wall; On the face that cooperatively interacts of described the first mobile jib and described the first joint, also scribble glue.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1), in the utility model, described connection anti-loose device comprises the first joint being arranged on described the first mobile jib; Be arranged on the second joint on described the second mobile jib; And be set in slidably on described the first joint, and restriction from described the first joint towards one end of described the second joint slippage or be set in slidably described the second joint, and restriction from described the second joint towards one end of described the first joint slippage linkage structure; Between described the first joint end relative with described the second joint, be provided with to mutually combine and prevent the rotation prevention structure that described the first joint and described the second joint relatively rotate, described linkage structure slides to described the second joint or described the first joint from its sheathed described the first joint or described the second joint, and in the process removably connecting with described the second joint or described the first joint, drive its sheathed described the first joint or described the second joint sliding, make the described rotation prevention structure combination between end that described the first joint is relative with described the second joint; In the utility model, by being set, described linkage structure make described the first joint and described the second joint offset and closely link together, described rotation prevention structure is set simultaneously no longer relatively rotates described the first mobile jib and described the second mobile jib after connection, therefore described connection anti-loose apparatus structure is reasonable, can realize quick connection.
(2) in the utility model, described rotation prevention structure comprises dop or the draw-in groove of the end that is molded over described the first joint, and mates with described dop or draw-in groove, is molded over draw-in groove or the dop of the end of described the second joint; The setting of described dop and described draw-in groove not only can make no longer to relatively rotate after described the first mobile jib and described the second mobile jib locking, and can also make described the first mobile jib and described the second mobile jib can quick joining in connection procedure, realize the quick locking between described the first mobile jib and described the second mobile jib.
(3) in the utility model, described linkage structure is for connecting knob, and described connection knob sleeve is located on described the first joint, and removably connects by screw thread between described connection knob and described the second joint; In the utility model, the locking between described the first mobile jib and described the second mobile jib be by described be connected knob and described the second joint be threaded realize, it is simple in structure, and locking efficiency is high.
(4) in the utility model, one end towards described the first mobile jib of described the first joint is up-narrow and down-wide taper, one end towards described the first mobile jib of described connection knob forms corresponding conical internal cavity, described connection knob on the inwall of one end of described the second joint, form internal thread, the outer wall of described the second joint forms the outside thread of coupling; In the utility model, described the first joint is set to up-narrow and down-wide taper, can prevent from being set in described connection knob on described the first joint from described the first joint towards one end of described the second joint slippage; Simultaneously, described the first joint and described connection between knob are cone match, like this screwing in process, described connection knob produces certain extruding force towards described the second joint to described the first joint, thereby make can closely offset between described the first joint and described the second joint, relative sliding can not occur after screwing again.
(5), in the utility model, the outside of described the second joint is also arranged with the described outside thread preventing on described the second joint scrapes the connection protective cap of hand; The setting of described connection protective cap can prevent from use not scraping with the described described outside thread that is connected knob portion connection on described the second joint user's hand or other objects.
(6) in the utility model, described joint overcoat is hollow structure, the circumferential inner wall of one end towards described the second mobile jib of described connection protective cap is connected with described the second joint screw thread, and described one end towards described the second joint that is connected knob that the gap between the circumferential inner wall towards described the first joint of described connection protective cap and the outer circumferential walls of described the second joint is applicable to being set on described the first joint screws in; In the time that described the second mobile jib is split, the described outside thread on described the second joint can be protected by described connection protective cap like this, in order to avoid described outside thread is damaged, meanwhile, and in the connecting end that connects knob is hidden, compact structure, beautiful shape.
(7) in the utility model, described linkage structure is for connecting knob, and described connection knob sleeve is located on described the second joint, and removably connects by screw thread between described connection knob and described the first joint; In the utility model, the locking between described the first mobile jib and described the second mobile jib be by described be connected knob and described the first joint be threaded realize, it is simple in structure, and locking efficiency is high.
(8) in the utility model, the outside of described the first joint is also arranged with the described outside thread preventing on described the first joint scrapes the connection protective cap of hand, and the setting of described connection protective cap can prevent on described the first joint not and described hand or other objects that is connected described outside thread that knob portion connects and in use scrapes user.
(9) in the utility model, described joint overcoat is hollow structure, being connected with described the first joint screw thread towards one end of described the first mobile jib circumferential inner wall of described connection protective cap, described one end towards described the first joint that is connected knob that the gap between one end of described the second joint circumferential inner wall and the outer circumferential walls of described the first joint of described connection protective cap is applicable to being set on described the second joint screws in; In the time that described the second mobile jib is split, the described outside thread on described the first joint can be protected by described connection protective cap like this, in order to avoid described outside thread is damaged, meanwhile, and in the connecting end that connects knob is hidden, compact structure, beautiful shape.
(10) in the utility model, described dop be molded over described the first joint the one end towards described the second joint be pyramid shape wide at the top and narrow at the bottom, described draw-in groove is the pyramid shape inner chamber of one end towards described the second joint of the second joint described in moulding, it is more tight that the arranging of polygonal taper pyramid can make to engage between described dop and described draw-in groove, dop on described the first joint is inserted after the draw-in groove on described the second joint, between described the first joint and described the second joint, just can not relatively rotate.
(11) in the utility model, described dop be molded over described the second joint towards described the first joint be up-narrow and down-wide pyramid shape, described draw-in groove is the pyramid shape inner chamber of one end towards described the second joint of the first joint described in moulding.Described pyramid shape is shaped to the hexagonal frustum of a pyramid, and described pyramid shape inner chamber is shaped to corresponding hexagonal pyramid shape groove; It is more tight that the arranging of polygonal pyramid can make to engage between described dop and described draw-in groove, dop on described the second joint is inserted after the draw-in groove on described the first joint, between described the first joint and described the second joint, just can not relatively rotate.
(12) in the utility model, insert in described the second mobile jib one end towards described the second mobile jib of described the second joint, and be threaded with described the second mobile jib, and the place of cooperatively interacting of described the second joint and described the second mobile jib also scribbles glue; Thereby described the second joint can be tightly connected on described ball-end part, can not relatively rotate.
(13), in the utility model, on described the second joint, also form the connection structure that is applicable to connecting transfer platform; Described connection be configured to be molded over described the second joint towards one end of described the second mobile jib, and be applicable to the threaded central aperture being connected with described transfer platform, and described threaded central aperture communicates with described pyramid shape inner chamber; Described like this second joint can be connected by the switching screw of described threaded central aperture and described transfer platform, makes described the second mobile jib splitting convert a new foot rest to after the above transfer platform of connection.
(14) in the utility model, the step hole that forms axial direction on the end face of one end of described the first mobile jib of described the first joint, insert in described step hole described first mobile jib one end, and prop up the step surface of described step hole, described the first mobile jib one termination outer wall is threaded by engage thread with described the first inner nosepiece wall; On the face that cooperatively interacts of described the first mobile jib and described the first joint, also scribble glue; Guarantee that described the first joint can firmly be connected with described mobile jib, can not come off.
(15) in the utility model, one end towards described the second mobile jib of described connection knob is applicable to being connected with pin nail, like this in the time that described the first mobile jib is split, can connect by described connection knob described pin nail in described the first mobile jib lower end, make described the first mobile jib convert common Monopod to.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the quick connection anti-loose device assembling schematic diagram described in embodiment one;
Fig. 2 is the quick connection anti-loose device schematic diagram described in embodiment one;
Fig. 3 is the first mobile jib schematic diagram after the fractionation described in embodiment one;
Fig. 4 is the quick connection anti-loose device schematic diagram described in embodiment two;
In figure, reference character is expressed as: 1-the first mobile jib; 11-the first joint; 111-dop; 112-step hole; 12-connects knob; 121-conical internal cavity; 122-internal thread; 3-the second mobile jib; 31-the second joint; 311-outside thread; 312-draw-in groove; 4-connection protective cap.
Embodiment
Below with reference to accompanying drawing, use following examples to be further elaborated the utility model.
As Figure 1-4, the quick connection anti-loose device of one described in the present embodiment, it comprises the first mobile jib 1, the second mobile jib 3, and the connection anti-loose device that described the first mobile jib 1 and described the second mobile jib 3 are linked together, described connection anti-loose device comprises the first joint 11 being arranged on described the first mobile jib 1; Be arranged on the second joint 31 on described the second mobile jib 3; And be set in slidably on described the first joint 11, and restriction is from the linkage structure 12 of one end slippage towards described the second joint 31 of described the first joint 11; Between described the first joint 11 end relative with described the second joint 31, being provided with mutually combines prevents the rotation prevention structure that described the first joint 11 and described the second joint 31 relatively rotate, described linkage structure 12 slides to described the second joint 31 from its sheathed described first joint 11, and in the process removably connecting with described the second joint 31, drive its sheathed described first joint 11 to slide, make the described rotation prevention structure combination between end that described the first joint 11 is relative with described the second joint 31.By being set, described linkage structure make described the first joint 11 offset and closely link together with described the second joint 31 in the present embodiment, arrange simultaneously described rotation prevention structure make connect after described the first mobile jib 1 and described the second mobile jib 3 between can not relatively rotate, thereby meet the requirement of photography and vedio recording equipment to stability, the more important thing is, the rotation prevention structure of the present embodiment is to be undertaken by the driving of linkage structure in connection procedure, therefore, can realize quickly and easily and connecting.
Preferred described linkage structure is for connecting knob 12, described connection knob 12 is set on described the first joint 11, one end towards described the first mobile jib 1 of described the first joint 11 is up-narrow and down-wide taper, described connection knob 12 form corresponding conical internal cavity 121 towards described the first mobile jib 1, on the inwall of one end towards described the second mobile jib 3 of described connection knob 12, form internal thread 122, the outer wall of described the second joint 31 forms the outside thread 311 of coupling.Locking between described the first mobile jib 1 and described the second mobile jib 3 be by described be connected knob 12 and described the second joint 31 be threaded realize, it is simple in structure, and locking efficiency is high.In the present embodiment, described the first joint 11 is set to up-narrow and down-wide taper, can prevent from being set in one end slippage towards described the second joint 31 from described the first joint 11 of described connection knob 12 on described the first joint 11; Simultaneously, described the first joint 11 and described connection between knob 12 are cone match, like this screwing in process, described connection knob 12 produces certain extruding force towards described the second joint 31 to described the first joint 11, thereby make can closely offset between described the first joint 11 and described the second joint 31, relative sliding can not occur after screwing again.
In the present embodiment, described rotation prevention structure comprises the dop 111 of the end that is molded over described the first joint 11, and mate with described dop 111, be molded over the described draw-in groove 312 of the end of described the second joint 31, described dop 111 not only can make no longer to relatively rotate after described the first mobile jib 1 and described the second mobile jib 3 lockings with the setting of described draw-in groove 312, and can also make described the first mobile jib 1 and described the second mobile jib 3 can quick joining in connection procedure, realize the quick locking between described the first mobile jib 1 and described the second mobile jib 3.As preferred embodiment, in the present embodiment, described dop 111 for be molded over described the first joint 11 the one end towards described the second joint 31 be pyramid shape wide at the top and narrow at the bottom, the pyramid shape inner chamber that described draw-in groove 312 is one end towards described the first joint 11 of the second joint 31 described in moulding.And further preferred, described pyramid shape is shaped to the hexagonal frustum of a pyramid, described pyramid shape inner chamber is shaped to corresponding hexagonal pyramid shape groove; The arranging of polygonal pyramid can make the more tight of engaging between described dop 111 and described draw-in groove 312, dop 111 on described the first joint 11 is inserted after the draw-in groove 312 on described the second joint 31, between described the first joint 11 and described the second joint 31, just can not relatively rotate.
Further, in the present embodiment, insert in described the second mobile jib 3 one end towards described the second mobile jib 3 of described the second joint 31, and be threaded with described the second mobile jib 3.Described the second joint 31 also scribbles glue with the place of cooperatively interacting of described the second mobile jib 3; Thereby described the second joint 31 can be tightly connected on described ball-end part, can not relatively rotate.Second joint second joint the second joint is on the basis of above-described embodiment, the step hole 112 that forms axial direction on one end end face of described the first mobile jib 1 of described the first joint 11, insert in described step hole 112 described first mobile jib 1 one end, and prop up the step surface of described step hole 112, described the first mobile jib 1 termination, one end outer wall is threaded by engage thread with described the first joint 11 inwalls, and also scribbles glue on the face that cooperatively interacts of described the first mobile jib 1 and described the first joint 11; Thereby guarantee that described the first joint 11 can firmly be connected with described mobile jib, can not come off.
In the present embodiment, the outside of described the second joint 31 is also arranged with the described outside thread 311 preventing on described the second joint 31 scrapes the connection protective cap 4 of hand, and the setting of described connection protective cap 4 can prevent on described the second joint 31 not and described hand or other objects that is connected described outside thread 311 that knob 12 parts connect and in use scrapes user.As preferred embodiment, in the present embodiment, described joint overcoat is hollow structure, one end circumferential inner wall towards described the second mobile jib 3 of described connection protective cap 4 is threaded with described the second joint 31, and the gap between one end circumferential inner wall of described the first mobile jib 1 and the outer circumferential walls of described the second joint 31 of described connection protective cap 4 is applicable to described one end towards described the second mobile jib 3 that is connected knob 12 and screws in; In the time that described the second mobile jib 3 is split, the described outside thread 311 on described the second joint 31 can be protected by described connection protective cap 4, in order to avoid described outside thread 311 is damaged.
Embodiment 2
As shown in Figure 5, what the present embodiment 2 and embodiment 1 were different is, described linkage structure is arranged on described the second joint 31, therefore, in the annexation of each parts, can change, be specially: described linkage structure is set on described the second joint 31 slidably, and restriction is from one end slippage towards described the first joint 11 of described the second joint 31; Described linkage structure 12 from its sheathed described second joint 31 slide to described the first joint 11 and the process that removably connects with described the first joint 11 in, drive its sheathed described second joint 31 to slide, make the described rotation prevention structure combination between end face that described the first joint 11 is relative with described the second joint 31.
In the present embodiment, preferred described linkage structure is for connecting knob 12, one end towards described the second mobile jib 3 of sheathed described the second joint 31 of described connection knob 12 is taper wide at the top and narrow at the bottom, one end towards described the second mobile jib 3 of described connection knob 12 forms corresponding conical internal cavity 121, described connection knob 12 on one end inwall of described the first mobile jib 1, form internal thread 122, on the outer wall of described the first joint 11, form the outside thread 311 of coupling.Locking between described the first mobile jib 1 and described the second mobile jib 3 be by described be connected knob 12 and described the first joint 11 be threaded realize, it is simple in structure, and locking efficiency is high.
Further, in the present embodiment, rotation prevention structure arranges in the same manner as in Example 1ly, certainly, in other embodiments, rotation prevention structure also can arrange differently from embodiment 1, is specially: described dop in rotation prevention structure 111 for be molded over described the second joint 31 the one end towards described the first mobile jib 1 be up-narrow and down-wide pyramid shape, the pyramid shape inner chamber that described draw-in groove 312 is one end towards described the second mobile jib 3 of the first joint 11 described in moulding.
Be arranged on the variation of the structure on described the second joint 31 in order to adapt to described linkage structure, described joint overcoat 4 is set in the outside of described the first joint 11, in order to prevent that the described outside thread 311 on described the first joint 11 from scraping hand.
In the present embodiment, the structure of preferred described joint overcoat is: described joint overcoat is hollow structure, the upper end circumferential inner wall of described connection protective cap 4 is threaded with described the first joint 11, described one end towards described the first joint 11 that is connected knob 12 that the gap towards between one end circumferential inner wall of described the second joint 31 and the outer circumferential walls of described the second joint 31 of described connection protective cap 4 is applicable to being set on described the second joint 31 screws in, the joint overcoat of this kind of structure can not only prevent that the outside thread on joint from scraping hand, and in the connecting end that connects knob can also being hidden, compact structure, beautiful shape.
As shown in Figure 1, introduce in the present embodiment the utilization of quick connection anti-loose device of the present utility model on Monopod.The mobile jib that now described the first mobile jib 1 is Monopod; Described the second mobile jib 3 is the bearing on Monopod, is generally the tripod bearing of short supporting leg.Between mobile jib and tripod bearing by the first joint 11, the second joint and be connected knob 12 and removably connect.In the time that mobile jib and tripod bearing are integrally connected, be the Monopod of high-angle shot, in the time that mobile jib separates with triangular support base, the lower end of the described connection knob 12 of mobile jib lower end is applicable to following closely and being connected with pin, forms common Monopod.And on described the second joint 31 on tripod bearing, also form the connection structure that is applicable to connecting transfer platform.Tripod bearing connects after upper transfer platform by this connection structure, just forms the tripod of a low angle shooting.In the present embodiment, described connection is configured to be molded over the lower end of described the second joint 31, and is applicable to the threaded central aperture being connected with described transfer platform, and described threaded central aperture communicates with described pyramid shape inner chamber.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to mode of execution.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all mode of executions.And the apparent variation of being extended out thus or variation are still among the protection domain in the invention.
Claims (15)
1. a quick connection anti-loose device, it comprises the first mobile jib (1), the second mobile jib (3), and by the connection anti-loose device that described the first mobile jib (1) and described the second mobile jib (3) link together, it is characterized in that: described connection anti-loose device comprises
Be arranged on the first joint (11) on described the first mobile jib (1);
Be arranged on the second joint (31) on described the second mobile jib (3);
And be set in slidably on described the first joint (11), and restriction is from one end slippage towards described the second joint (31) of described the first joint (11) or be set in slidably described the second joint (31), and limit from the linkage structure of one end slippage towards described the first joint (11) of described the second joint (31);
Between described the first joint (11) end relative with described the second joint (31), being provided with mutually combines prevents the rotation prevention structure that described the first joint (11) and described the second joint (31) relatively rotate, described linkage structure slides to described the second joint (31) or described the first joint (11) from its sheathed described first joint (11) or described the second joint (31), and in the process removably connecting with described the second joint (31) or described the first joint (11), drive its sheathed described first joint (11) or described the second joint (31) to slide, make the described rotation prevention structure combination between end that described the first joint (11) is relative with described the second joint (31).
2. quick connection anti-loose device according to claim 1, it is characterized in that: described rotation prevention structure comprises dop (111) or the draw-in groove (312) of the end that is molded over described the first joint (11), and mate with described dop (111) or draw-in groove (312), be molded over draw-in groove (312) or the dop (111) of the end of described the second joint (31).
3. according to the quick connection anti-loose device described in any one in claim 1-2, it is characterized in that: described linkage structure is for connecting knob (12), it is upper that described connection knob (12) is set in described the first joint (11), and removably connect by screw thread between described connection knob (12) and described the second joint (31).
4. quick connection anti-loose device according to claim 3, it is characterized in that: one end towards described the first mobile jib (1) of described the first joint (11) is up-narrow and down-wide taper, one end towards described the first mobile jib (1) of described connection knob (12) forms corresponding conical internal cavity (121), described connection knob (12) on one end inwall of described the second joint (31), form internal thread (122), on the outer wall of described the second joint (31), form the outside thread (311) of coupling.
5. quick connection anti-loose device according to claim 4, is characterized in that: the outside of described the second joint (31) is also arranged with the described outside thread (311) preventing on described the second joint (31) scrapes the connection protective cap (4) of hand.
6. quick connection anti-loose device according to claim 5, it is characterized in that: described joint overcoat is hollow structure, the circumferential inner wall of one end towards described the second mobile jib (3) of described connection protective cap (4) is threaded with described the second joint (31), and the gap between the circumferential inner wall of one end towards described the first joint (11) of described connection protective cap (4) and the outer circumferential walls of described the second joint (31) is applicable to being set in described on described the first joint (11) and is connected screwing in towards one end of described the second joint (31) end of knob (12).
7. quick connection anti-loose device according to claim 2, it is characterized in that: described linkage structure is for connecting knob (12), it is upper that described connection knob (12) is set in described the second joint (31), and removably connect by screw thread between described connection knob (12) and described the first joint (11).
8. quick connection anti-loose device according to claim 7, it is characterized in that: one end towards described the first joint (11) of described the second joint (31) is taper wide at the top and narrow at the bottom, one end towards described the second mobile jib (3) of described connection knob (12) forms corresponding conical internal cavity (121), described connection knob (12) on one end inwall of described the first joint (11), form internal thread (122), on the outer wall of described the first joint (11), form the outside thread (311) of coupling.
9. quick connection anti-loose device according to claim 8, is characterized in that: the outside of described the first joint (11) is also arranged with the described outside thread (311) preventing on described the first joint (11) scrapes the connection protective cap (4) of hand.
10. quick connection anti-loose device according to claim 9, it is characterized in that: described joint overcoat is hollow structure, one end circumferential inner wall towards described the first mobile jib (1) of described connection protective cap (4) is threaded with described the first joint (11), and the described upper end that is connected knob (12) that the gap between one end circumferential inner wall towards described the second joint (31) of described connection protective cap (4) and the outer circumferential walls of described the first joint (11) is applicable to being set on described the second joint (31) screws in.
11. quick connection anti-loose devices according to claim 10, it is characterized in that: described dop (111) for be molded over described the first joint (11) the one end towards described the second joint (31) be pyramid shape wide at the top and narrow at the bottom, described draw-in groove (312) is the pyramid shape inner chamber of one end towards described the first joint (11) of the second joint (31) described in moulding.
12. quick connection anti-loose devices according to claim 10, it is characterized in that: described dop (111) for be molded over described the second joint (31) the one end towards described the first joint (31) be up-narrow and down-wide pyramid shape, described draw-in groove (312) is the pyramid shape inner chamber towards described the second joint (31) one end of the first joint (11) described in moulding.
13. according to the quick connection anti-loose device described in claim 11 or 12, it is characterized in that: described pyramid shape is shaped to the hexagonal frustum of a pyramid, and described pyramid shape inner chamber is shaped to corresponding hexagonal pyramid shape groove.
14. quick connection anti-loose devices according to claim 13, is characterized in that: insert in described the second mobile jib (3) one end towards described the second mobile jib (3) of described the second joint (31), and are threaded with described the second mobile jib (3); Described the second joint (31) also scribbles glue with the place of cooperatively interacting of described the second mobile jib (3).
15. quick connection anti-loose devices according to claim 14, it is characterized in that: the step hole (112) that forms axial direction on one end end face of described the first mobile jib (1) of described the first joint (11), insert in described step hole (112) one end of described the first mobile jib (1), and prop up the step surface of described step hole (112), described the first mobile jib (1) termination, one end outer wall is threaded by engage thread with described the first joint (11) inwall; On the face that cooperatively interacts of described the first mobile jib (1) and described the first joint (11), also scribble glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683624.9U CN203614533U (en) | 2013-11-01 | 2013-11-01 | Rapid connection looseness preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683624.9U CN203614533U (en) | 2013-11-01 | 2013-11-01 | Rapid connection looseness preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203614533U true CN203614533U (en) | 2014-05-28 |
Family
ID=50767182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320683624.9U Withdrawn - After Issue CN203614533U (en) | 2013-11-01 | 2013-11-01 | Rapid connection looseness preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203614533U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527583A (en) * | 2013-11-01 | 2014-01-22 | 中山市思锐摄影器材工业有限公司 | Rapid-connection locking device |
| CN105257642A (en) * | 2015-11-10 | 2016-01-20 | 周兆弟 | Connecting structure for connecting two objects in fixed screwing manner |
| CN108908422A (en) * | 2018-09-26 | 2018-11-30 | 江苏泰华消防电气设备有限公司 | A kind of lever is convenient for the fireman's axe of replacement |
| CN109160104A (en) * | 2018-09-22 | 2019-01-08 | 湖南汉坤建筑安保器材有限公司 | A kind of bottle cap class combined connection component |
-
2013
- 2013-11-01 CN CN201320683624.9U patent/CN203614533U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527583A (en) * | 2013-11-01 | 2014-01-22 | 中山市思锐摄影器材工业有限公司 | Rapid-connection locking device |
| CN103527583B (en) * | 2013-11-01 | 2015-10-28 | 中山市思锐摄影器材工业有限公司 | A kind of connection anti-loose device fast |
| CN105257642A (en) * | 2015-11-10 | 2016-01-20 | 周兆弟 | Connecting structure for connecting two objects in fixed screwing manner |
| CN109160104A (en) * | 2018-09-22 | 2019-01-08 | 湖南汉坤建筑安保器材有限公司 | A kind of bottle cap class combined connection component |
| CN109160104B (en) * | 2018-09-22 | 2023-11-21 | 湖南汉坤建筑安保器材有限公司 | Bottle cap combined connecting piece |
| CN108908422A (en) * | 2018-09-26 | 2018-11-30 | 江苏泰华消防电气设备有限公司 | A kind of lever is convenient for the fireman's axe of replacement |
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