CN203322680U

CN203322680U - Universal folding support

Info

Publication number: CN203322680U
Application number: CN201320421226XU
Authority: CN
Inventors: 李威
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-13
Filing date: 2013-07-13
Publication date: 2013-12-04
Anticipated expiration: 2023-07-13

Abstract

The utility model relates to a folding support, in particular to a universal folding support, wherein the outer end portion of the folding support can be adjusted in a universal mode. The universal folding support is composed of a main folding support, a universal joint and a fixed seat, wherein the universal joint and the fixed seat are mounted at the two ends of the main folding support respectively, a connecting rod which can rotate universally is arranged at the outer end of the universal joint, the main folding support comprises at least two supporting pipes and rotary joints, any two adjacent supporting pipes are connected through one rotary joint, and each rotary joint comprises a locking sleeve, a first sleeve pipe, a second sleeve pipe, a spring and an adjusting knob. According to the universal folding joint, folding strength and stability of adjacent supporting pipes can be adjusted, using is convenient, and the using effect is good. In addition, the angle between adjacent supporting pipes can be adjusted, the supporting pipes can be rotated in the circumferential direction, primary positioning is facilitated, and the universal joints are used for facilitating further precise directions.

Description

A kind of universal folding rack

Technical field

The utility model belongs to the folding rack field, particularly relates to the folding rack that a kind of outer end can universal adjustment orientation.

Background technique

Universal folding rack is a kind of both collapsible, support that again can universal adjustment orientation.This class is suitable for fixedly mobile phone, panel computer and liquid crystal display etc. to the folding rack utmost point.The folding rack of existing this class purposes is is mainly connected and composed by the joint of two adjacent arms and employing hinging structure, and this folding rack is adjusted the angle between adjacent arm by adjusting the hinge axis degree of tightness.The user needs first to unscrew hinge at every turn, urgent again after completing, thereby adjusts the folding angle between adjacent arm, and operation is trouble very.This folding rack can only be adjusted the angle of adjacent arm in a plane in addition, two adjacent arms all can not circumferentially rotate, therefore after being assembled into folding rack, after the strength that the joint of employing hinging structure is subject to reversing left and right, hinged joint can become and easily skid, poor stability, using effect is bad.

Summary of the invention

Goal of the invention of the present utility model is in order to provide a kind of rational in infrastructure and novel, and universal location is convenient, the universal folding rack that folding effect is good.

In order to realize the foregoing invention purpose, the utility model has adopted following technological scheme:

A kind of universal folding rack, described universal folding rack is comprised of folding body frame, universal joint and fixed base, and universal joint and fixed base are arranged on respectively the two ends of folding body frame, but the universal joint outer end is provided with the connecting rod of a universal rotational; Described folding body frame comprises at least two arms and rotary joint, between two arms of arbitrary neighborhood, by a rotary joint, connects; Described rotary joint comprises lock sleeve, the first sleeve pipe, the second sleeve pipe, spring and adjusting knob; Described the first sleeve pipe one end be provided with a cross section rounded, axially with axial the first perpendicular joint of sleeve body, the first joint is provided with the through hole of axial perforation, the inner of the first joint is provided with the first spline hackle mark, the first sleeve pipe the other end is provided with the screw thread pipeline section docked with sleeve body, the screw thread pipeline section outside is screw thread, inboard bore and arm external diameter coupling, screw thread pipeline section external port section is provided with a plurality of flutings, and wherein an arm is through screw thread pipeline section rotatable being inserted in the first sleeve pipe; Described lock sleeve inner end is enclosed within on the screw thread pipeline section, and the thread size of inboard, lock sleeve outer end is less than the thread size in the screw thread pipeline section outside; Described the second sleeve pipe one end be provided with a cross section rounded, axially with axial the second perpendicular joint of sleeve body, the second joint is provided with the screw corresponding with through hole, second joint the inner is provided with the second spline hackle mark be meshed with the first spline hackle mark, and adjacent another arm is fixed on the second sleeve pipe the other end; Described adjusting knob outer end is knob section, and the inner is screw rod; The screw rod of adjusting knob the inner passes through hole and is threadedly connected in the screw of the second sleeve pipe, and spring is between the exterior edge face and knob section of the first joint.

As preferably, described fixed base comprises stationary base mount, locking knob, holddown spring and sleeve pipe, stationary base mount the inner is that fixing base, outer end are attachment posts, the surface of contact of attachment post outer end and sleeve pipe the inner is equipped with hackle mark, sleeve pipe and attachment post are run through in locking knob the inner, and be threaded with sleeve pipe or attachment post, pressure spring one end is in the locking knob inboard, and the other end compresses attachment post and sleeve pipe.

As preferably, described the first spline hackle mark and the second spline hackle mark are all the hackle marks that launch centered by through hole or screw, radially.

Adopted the universal folding rack of technique scheme, this universal folding rack is comprised of folding body frame, universal joint and fixed base, but universal joint outer end wherein is provided with the connecting rod of a universal rotational, the fixed position of mobile phone, panel computer or liquid crystal display is generally connecting rod position pointed, generally by an analog bracket, just completes fixing again.Therefore, the operation of the residing position of connecting rod and direction is extremely important.The utility model adopts the effect of universal joint to be the connecting rod direction is carried out to accurate adjustment.Of equal importance of the present utility model being used for that be forms the rotation joint structure that folds body frame therewith, between two arms of arbitrary neighborhood, by a rotary joint, connects just.

With existing universal folding rack, compare, rotation joint structure of the present utility model is reasonable and novel.Reason is, the screw thread pipeline section external port section on the first sleeve pipe of this rotary joint is provided with a plurality of flutings, the inboard bore of screw thread pipeline section and arm external diameter coupling, and wherein an arm is through screw thread pipeline section rotatable being inserted in the first sleeve pipe also.The lock sleeve inner end is enclosed within on the screw thread pipeline section, the thread size of inboard, lock sleeve outer end is less than the thread size in the screw thread pipeline section outside, tighten lock sleeve, lock sleeve advances screw thread to the first sleeve pipe direction can push the screw thread pipeline section external port section with a plurality of flutings, thus the locking arm.Visible, the arm on this folding body frame can rotate in a circumferential direction, and also can be locked, and after being assembled into universal folding rack, universal adjustment is very convenient, gives fast location, folding body frame outer end.

Moreover, be equipped with a junction on the first sleeve pipe of this rotary joint and the second sleeve pipe, between the first sleeve pipe and the second sleeve pipe, the surface of contact of joint is provided with intermeshing first, second spline hackle mark, adjusting knob is fixed on spring in the outside of first set pipe jointing part, by the outer end of inside elasticity pressing the first sleeve pipe of spring, make between first, second spline hackle mark interactional pressure is arranged.Therefore with rotary joint hinged on existing folding joint, compare, this rotary joint is not only rational in infrastructure, novel, and the strength that need only adjust spring just can adjust folding strength and stability suitable between adjacent arm, the operator need only bestow certain strength just can fold adjacent arm easily, need not adjust again the degree of tightness of joint, easy to use and effective.

As fully visible, this universal folding rack can be adjusted folding strength and the stability between adjacent arm, easy to use, using effect is good, in addition, this universal folding rack can not only adjust the angle between adjacent arm, arm can also rotate in a circumferential direction, convenient first location, adopt universal joint, facilitates further meticulous orientation.

The accompanying drawing explanation

Fig. 1: the utility model embodiment's structural representation.

Fig. 2: the structural representation of the utility model rotary joint.

Fig. 3: the inner side surface structural representation of the first sleeve pipe in embodiment.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described further.

Embodiment: a kind of universal folding rack as shown in Figure 1, Figure 2 and Figure 3, this universal folding rack is comprised of folding body frame, universal joint 5 and fixed base 8, universal joint 5 and fixed base 8 are arranged on respectively the two ends of folding body frame, but universal joint 5 outer ends are provided with the connecting rod 3 of a universal rotational, universal joint 5 the inners are the universal ball ends that can be locked, and the analog bracket that is used for fixing mobile phone, flat board and liquid crystal display generally is arranged on connecting rod 3 outer ends.

As shown in Figure 1, above-mentioned folding body frame comprises three arms 7 and two rotary joints 4, between two arms 7 of arbitrary neighborhood, by a rotary joint 4, connects.

Rotary joint 4 comprises lock sleeve 45, the first sleeve pipe 41, the second sleeve pipe 42, spring 40 and adjusting knob 43.

As shown in Figures 2 and 3, the first sleeve pipe 41 middle parts are sleeve body, the first sleeve pipe 41 lower ends be provided with cross section rounded, axially with axial the first perpendicular joint 411 of sleeve body.It is the hackle marks that launch centered by through hole 111, radially that the inner that the first joint 411 is provided with through hole 4111, the first joints 411 of axial perforation is provided with the first spline hackle mark 4110, the first spline hackle marks 110.First sleeve pipe 41 the other ends are provided with the screw thread pipeline section 412 docked with sleeve body, screw thread pipeline section 412 outsides are screw threads, inboard bore and arm 7 external diameter couplings, screw thread pipeline section 412 outer end oral areas are provided with a plurality of flutings 4121, and wherein an arm 7 is through screw thread pipeline section 412 rotatable being inserted in the first sleeve pipe 41.

As shown in Figures 2 and 3, above-mentioned lock sleeve 45 madial walls are provided with internal thread, lock sleeve 45 inner ends are enclosed within on screw thread pipeline section 412, the thread size coupling in the thread size of lock sleeve 45 inner ends and screw thread pipeline section 412 outsides, the thread size of inboard, outer end is slightly less than the thread size in screw thread pipeline section 412 outsides.Therefore, tighten lock sleeve 45, lock sleeve 45 advances screw thread to screw thread pipeline section 412 the inners, can push the screw thread pipeline section 412 outer end oral areas with a plurality of flutings 4121, make screw thread pipeline section 412 outer end oral areas be locked the cover 45 the extruding dwindle, do not dwindle and block arm 7 outer walls by screw thread pipeline section 412 external port, thus locking arm 7; Otherwise, unscrew lock sleeve 45, i.e. rotatable arm 7.

As shown in Figures 2 and 3, fixing another adjacent root arm 7, the second sleeve pipe 42 upper ends, the second sleeve pipe 42 lower ends be provided with cross section rounded, axially with axial the second perpendicular joint 421 of sleeve body.The second joint 421 is provided with the screw corresponding with through hole 4,111 4211, it is the hackle marks that launch centered by screw 4210, radially that second joint 421 the inners are provided with the second spline hackle mark 4210, the second spline hackle marks 4210 that are meshed with the first spline hackle mark 4110.When through hole 4111 and axis hole 4211 are corresponding, the first spline hackle mark 4110 and the second spline hackle mark 4210 just can mesh fully.

As shown in Figure 2, adjusting knob 43 outer ends are knob sections 430, and the inner is screw rod 431.The screw rod 431 of adjusting knob 43 the inners passes through hole 4111 and is threadedly connected in the screw 4211 of the second sleeve pipe 421, and spring 40 is between the exterior edge face and knob section 430 of the first joint 411.

As shown in Figure 1, fixed base 8 comprises stationary base mount, locking knob 83, holddown spring and sleeve pipe 81, stationary base mount the inner is that fixing base 80, outer end are attachment posts 81, the surface of contact of attachment post 81 outer ends and sleeve pipe 81 the inners is equipped with hackle mark, sleeve pipe 81 and attachment post 82 are run through in locking knob 81 the inners, and be threaded with sleeve pipe 81 or attachment post 82, pressure spring one end is in locking knob 83 inboards, and the other end compresses attachment post 81 and sleeve pipe 81.

While using for rotary joint 4, the operator rotates knob section 30, by the distance between the exterior edge face that changes knob section 30 interior edge faces and the first joint 11, adjust the length of spring 4, thereby change the elastic pressure of spring 4, make pressure between the first spline hackle mark 110 and the second spline hackle mark 210 to suitable degree.Like this, both need the operator to bestow certain strength and regulated the angle between adjacent two arms 7, to adjusting, bring convenience, allow again rotary joint 4 after adjusting under spring 40 and the effect of spline hackle mark, there is certain load-bearing, spline strength, thereby it is constant to keep angle between adjacent two arms 7 to stablize, and using effect is very good.In addition, the operator unscrews lock sleeve 5, i.e. rotatable arm 7, then tighten fixedly arm 7 and make it can not be in circumferential rotation.

Claims

1. a universal folding rack is characterized in that:

Described universal folding rack is comprised of folding body frame, universal joint (5) and fixed base (8), and universal joint (5) and fixed base (8) are arranged on respectively the two ends of folding body frame, universal joint (5) but outer end is provided with the connecting rod (3) of a universal rotational;

Described folding body frame comprises at least two arms (7) and rotary joint (4), between two arms of arbitrary neighborhood (7), by a rotary joint (4), connects;

Described rotary joint (4) comprises lock sleeve (45), the first sleeve pipe (41), the second sleeve pipe (42), spring (40) and adjusting knob (43);

It is rounded that described the first sleeve pipe (41) one ends are provided with a cross section, axial perpendicular the first joint (411) of axial and sleeve body, the first joint (411) is provided with the through hole (4111) of axial perforation, the inner of the first joint (411) is provided with the first spline hackle mark (4110), the first sleeve pipe (41) the other end is provided with the screw thread pipeline section (412) docked with sleeve body, screw thread pipeline section (412) outside is screw thread, inboard bore and arm (7) external diameter coupling, screw thread pipeline section (412) outer end oral area is provided with a plurality of flutings (4121), wherein an arm (7) is through screw thread pipeline section (412) rotatable being inserted in the first sleeve pipe (41),

It is upper that described lock sleeve (45) inner end is enclosed within screw thread pipeline section (412), and the thread size of lock sleeve (45) inboard, outer end is less than the thread size in screw thread pipeline section (412) outside;

Described the second sleeve pipe (42) one ends be provided with a cross section rounded, axially with axial perpendicular the second joint (421) of sleeve body, the second joint (421) is provided with the screw (4211) corresponding with through hole (4111), the second joint (421) the inner is provided with the second spline hackle mark (4210) be meshed with the first spline hackle mark (4110), and adjacent another arm (7) is fixed on the second sleeve pipe (42) the other end;

Described adjusting knob (43) outer end is knob section (430), and the inner is screw rod (431); The inner screw rod (431) of adjusting knob (43) passes through hole (4111) and is threadedly connected in the screw (4211) of the second sleeve pipe (421), and spring (40) is between the exterior edge face and knob section (430) of the first joint (411).

2. a kind of universal folding rack according to claim 1 is characterized in that:

Described fixed base (8) comprises stationary base mount, locking knob (83), holddown spring and sleeve pipe (81), stationary base mount the inner is that fixing base (80), outer end are attachment post (81), the inner surface of contact of attachment post (81) outer end and sleeve pipe (81) is equipped with hackle mark, sleeve pipe (81) and attachment post (82) are run through in locking knob (81) the inner, and be threaded with sleeve pipe (81) or attachment post (82), pressure spring one end is in locking knob (83) inboard, and the other end compresses attachment post (81) and sleeve pipe (81).

3. a kind of universal folding rack according to claim 1 is characterized in that:

Described the first spline hackle mark (4110) and the second spline hackle mark (4210) are all the hackle marks that launch centered by through hole (4111) or screw (4211), radially.