CN102312887A

CN102312887A - Bidirectional locking connecting device

Info

Publication number: CN102312887A
Application number: CN2010102245683A
Authority: CN
Inventors: 张永泰; 张钧迪
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-07
Filing date: 2010-07-07
Publication date: 2012-01-11

Abstract

The invention discloses a bidirectional locking connecting device. A positive threaded section is formed on an inner pipe wall at the end of a sleeve, and a reverse threaded section is formed on an outer pipe wall, wherein a positive stud of a screw lock is screwed in the positive threaded section, and a lantern ring is sleeved on the reverse threaded section, so that the fixing effect of bidirectional locking is formed; and furthermore, the inner pipe wall of the other end of the lantern ring is propped against the screw lock, a binding ring is sleeved on the outer pipe wall, and the binding ring presses the lantern ring to bind up the screw lock and has quick detachment function, so that double purposes of reinforcement on the locking structure and quick detachment can be fulfilled at the same time.

Description

Reversible lock is solidly connected device

Technical field

The present invention is about a kind of locking part of assembling pipe, but especially a kind of firmness joint and conveniently detachable reversible lock are solidly connected device.

Background technique

Mostly the general support body with tubular parts (for example: cycle frame, combined type hanger) is to utilize metal pipe element to be bonded with each other with the mode of welding or screws; With the firm integral type support body of formation structure, or the detachable support body that can simply utilize screwdriver to dismantle.

Yet, though the support body of integral type has higher structural strength, owing to be to adopt welding affixed, therefore, dismounting that can't be random and assembling, cause on the contrary volume big, take up space, use problems such as dumb; And detachable support body is an effect of utilizing the simple screw lock of screw, but the purpose that reaches quick combined and dismounting and be convenient for carrying, though can solve the not enough problem of flexibility; But the structural strength that screw lock is fixed is not good; And the solid situation that is easy to generate that screw gets loose, support body shambles, and the part that still haves much room for improvement, and if detachable support body can on locking structure, strengthen; Then can have easy disassembly and the firm double effects of structure simultaneously concurrently, can effectively promote the market competitiveness.

Summary of the invention

Because general tubular assembly adopts welding manner to combine more, and is firm in the hope of structure, or adopt the screws mode to combine; In the hope of can be for convenience detach and the flexible operating characteristic of carrying, and none method have concurrently simultaneously structure strong with double effects for convenience detach, part still haves much room for improvement; Therefore; The inventor studies intensively and design improved, takes into account structural stability and reversible lock for convenience detach is solidly connected device, technological means of the present invention such as following to provide a kind of.

The invention relates to a kind of reversible lock and be solidly connected device, it includes a sleeve part, a spiral lock, a collar and a beam ring, wherein:

Sleeve part is hollow tube, and forms a thread section forward in an end inner tubal wall, and on this end outer tube wall, forms a reverse thread section;

Spiral lock in an end form one forward double-screw bolt be screwed in the forward thread section of sleeve part;

The collar is sheathed on sleeve part and the spiral lock, and includes be spirally connected end, a packing end and a side groove, and wherein, this is spirally connected and holds in forming a reverse screwing section swivel nut on the inner tubal wall on the reverse thread section of sleeve part; This packing end then forms being sheathed on the spiral lock against anchor ring of a ring-type in inner tubal wall, and on outer tube wall, forms the compressing anchor ring of a ring-type; The side groove cuts open on the tube wall of being located at the collar, and extends to the end place that closely is spirally connected by the packing end; And

Beam ring urgently is sheathed on the compressing anchor ring of packing end on the collar;

Preferably, described spiral lock forms a neck in end protrusion, and on the end face of neck, extends to form described forward double-screw bolt; And the collar is to be sheathed on the neck of spiral lock against anchor ring;

Preferably, described beam ring includes a C shape ring body and a fastening piece, and this C shape ring body is to be sheathed on the compressing anchor ring of the collar; This fastening piece is the two ends that a Fast detachable unit wore and tightened this C shape ring body.

Through above-mentioned technological means; Reversible lock of the present invention is solidly connected to be installed on and is formed with forward thread section and reverse thread section on the sleeve part, and the forward double-screw bolt and being spirally connected of the collar that are screwed together in spiral lock are respectively held, and are difficult for loosening two-way screw-joining structure and form; By this, promote the intensity of locking structure;

In addition, on the packing end of the collar, further be arranged with beam ring, utilize beam ring to force the collar to tighten spiral lock; Reach the effect of strengthening locking; When dismounting, also only need relax beam ring simultaneously, but just spiral shell goes out sleeve pipe and sleeve part, and can reach fast quick-detach and the purpose that is convenient for carrying.

Description of drawings

The stereoscopic exploded view of Fig. 1 first embodiment of the invention.

The decomposing section of Fig. 2 first embodiment of the invention.

The combination section of Fig. 3 first embodiment of the invention.

The stereoscopic exploded view of Fig. 4 second embodiment of the invention.

The decomposing section of Fig. 5 second embodiment of the invention.

The combination section of Fig. 6 second embodiment of the invention.

Symbol description

10 sleeve parts 11 are thread section forward

12 reverse thread section 20 spiral locks

21 double-screw bolt 22 necks forward

30 collars 31 end that is spirally connected

310 reverse screwing section 32 packing ends

320 against anchor ring 321 compressing anchor rings

33 side grooves, 40 beam rings

Embodiment

Reversible lock of the present invention is solidly connected first preferred embodiment of device, and please referring to figs. 1 through Fig. 3, it includes a sleeve part 10, a spiral lock 20, a collar 30 and a beam ring 40, wherein:

Sleeve part 10 is the microscler bodys that are hollow, and is formed with a thread section 11 forward in the inner tubal wall of an end, and on the outer tube wall of this end, is formed with a reverse thread section 12, and forward thread section 11 is opposite with the Hand of spiral of reverse thread section 12;

Spiral lock 20 is to be the microscler body of rod, and Yu Yiduan protrusion form one forward double-screw bolt 21 be screwed in the forward thread section 11 of sleeve part 10, preferably, this forward the external diameter of double-screw bolt 21 less than the external diameter of spiral lock 20;

The collar 30 be packing be sheathed on sleeve part 10 and the spiral lock 20; And include be spirally connected end 31, one packing end 32 and a side groove 33; Wherein, on the inner tubal wall of the end 31 that is spirally connected, be formed with reverse screwing section 310 swivel nuts on the reverse thread section 12 of sleeve part 10; 32 at packing end forms being sheathed on the outer tube wall of spiral lock 20 against anchor ring 320 correspondences of a ring-type in inner tubal wall; And the compressing anchor ring 321 that on the outer tube wall of packing end 32, further is recessed into formation one ring-type; 33 of side grooves cut open on the tube wall of being located at the collar 30, and extend to end 31 places that closely are spirally connected by packing end 32, have suitable dilatational elasticity in order to the collar 30 to be provided, to be socketed on sleeve part 10 and the spiral lock 20;

Beam ring 40 is urgently to be set on the compressing anchor ring 321 of the collar 30 packing ends 32, and preferably, this beam ring 40 is to include a C shape ring body and a fastening piece, and wherein, C shape ring body is to be sheathed on the compressing anchor ring 321 of the collar 30 packing ends 32; Fastening piece then is the two ends that a Fast detachable unit is arranged in C shape ring body, in order to tighten the end of the collar 30, the collar 30 is securely oppressed on spiral lock 20 outer tube walls.

Reversible lock of the present invention is solidly connected device; It is formed with forward thread section 11 and reverse thread section 12 on sleeve part 10; And on the forward double-screw bolt 21 that is screwed together in spiral lock 20 respectively and the end 31 that is spirally connected of the collar 30, then when sleeve part 10 because of the stressed court of omit forward or during counter-rotating, the spiral lock 20 and the collar 30 wherein once can more urgently being screwed together on the sleeve part 10; Promptly form and be difficult for loosening two-way screw-joining structure and the effect that strengthens locking;

Add; On the packing end 32 of the collar 30, further be arranged with beam ring 40, in order to tightening the compressing anchor ring 321 on the packing end 32, and compress the side groove 33 on the collar 30 simultaneously; Make being packed on the spiral lock 20 of the collar 30, can reach the packing effect of strengthening locking against anchor ring 320;

Reversible lock of the present invention is solidly connected and is installed on when dismounting, after then only needing earlier beam ring 40 is loosened, just can be simply with spiral lock 20 and the collar 30 respectively spiral shell go out sleeve part 10, and can dismantle easily and carry, quite simple and convenient on using.

Reversible lock of the present invention is solidly connected second embodiment of device; Please with reference to Fig. 4 to Fig. 6, its structure is roughly identical with first embodiment, and only its spiral lock 20 forms a neck 22 in end protrusion; And on the end face of neck 22, extend to form described forward double-screw bolt 21; Preferably, the external diameter of this neck 22 is slightly less than 20 body diameters of spiral lock, and this forward the external diameter of double-screw bolt 21 be slightly less than the external diameter of this neck 22; And being sheathed on the neck 22 of spiral lock 20 of the collar 30 against 320 correspondences of anchor ring; Urgently combine the collar 30 in spiral lock 20 with beam ring 40 again, by this, reach the effect of firm combination; And second embodiment's usage mode is identical with first embodiment, so do not repeat them here.

Claims

1. a reversible lock is solidly connected device, it is characterized in that, it includes a sleeve part, a spiral lock, a collar and a beam ring, wherein:

Beam ring urgently is sheathed on the compressing anchor ring of packing end on the collar.

2. reversible lock as claimed in claim 1 is solidly connected device, it is characterized in that, described spiral lock forms a neck in end protrusion, and on the end face of neck, extends to form described forward double-screw bolt; And the collar is to be sheathed on the neck of spiral lock against anchor ring.

3. according to claim 1 or claim 2 reversible lock is solidly connected device, it is characterized in that described beam ring includes a C shape ring body and a fastening piece, and this C shape ring body is to be sheathed on the compressing anchor ring of the collar; This fastening piece then wears and tightens the two ends of this C shape ring body.

4. reversible lock as claimed in claim 3 is solidly connected device, it is characterized in that, described fastening piece is a Fast detachable unit.