CN201396349Y

CN201396349Y - Connecting device used for plug-in type supporting rod

Info

Publication number: CN201396349Y
Application number: CN2009200420835U
Authority: CN
Inventors: 朱国军
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-03
Filing date: 2009-04-03
Publication date: 2010-02-03
Anticipated expiration: 2019-04-03

Abstract

The utility model discloses a connecting device used for plug-in type supporting rod, which is characterized by comprising a snap spring (1), a steel wire (2) and an elastic wire (3); one end of the steel wire (2) is provided with the snap spring (1); the other end of the steel wire (2) is connected with one end of the elastic wire (3); the other end of the elastic wire (3) is provided with a snapspring (1'); the snap spring (1) and the snap spring (1') are respectively expanded and pressed in the tubular cavities of two plug-in type supporting rods by relying on elasticity. The connecting device used for plug-in type supporting rod has a simple structure, is reliably connected, has good stability, can not fall off even if being pulled with force, and can connect the plug-in type supporting rods according to the plug-in sequence, which not only is convenient to be identified, but also is convenient to be plugged and dismounted, thus leading the supporting rods to be uneasily lost. Asthe steel wire is adopted, the wear resistance is high, and the steel wire expanding out of the plugged end of the supporting rod can crack due to friction and is firm and durable.

Description

Plug-in type strut connection set

Technical field

The utility model relates to a kind of connection set, especially a kind ofly can be used between grafting stalk formula struts such as mosquito net pole, flagpole connecting and preventing the plug-in type strut connection set that the plug-in type strut is lost.

Background technique

The tubing that present foldable plug-in type strut mostly is hollow greatly makes, and the linkage structure of strut is a plug in construction, directly grafting or fixing by elastic members such as jump ring chucking between two adjacent struts.

When need are collected the strut dismounting,, lose easily owing to be independently assembly after each root strut dismounting; In addition, when the bar of strut footpath is inconsistent, obscure very easily, when pegging graft once more, be difficult to finish smoothly grafting,, can make troubles to use again if on strut, number respectively.

In addition, the way that elastic ribbon is set in the tube chamber of strut is also arranged, but this elastic ribbon easily wears out on the one hand, easily comes off, the mouth of pipe that elastic ribbon is easy and strut is sharp or ground friction, very easily fracture is easy to injure children, and can't recycles after scrapping, also there are the not high a series of problems of join strength simultaneously, therefore need a kind of intensity plug-in type strut connection set reliable, sturdy and durable, easy for installation badly.

Summary of the invention

The purpose of this utility model is at easily losing of existing of existing plug-in type strut, easily obscure, problem such as easy-to-collection not, design a kind ofly to can be used between grafting stalk formula struts such as mosquito net pole, flagpole connection and prevent the plug-in type strut connection set that the plug-in type strut is lost.

The technical solution of the utility model is:

A kind of plug-in type strut connection set, it comprises jump ring 1, wire rope 2 and stretch cord 3, one end of wire rope 2 is provided with jump ring 1, the other end of wire rope 2 connects an end of stretch cord 3, the other end of stretch cord 3 is provided with jump ring 1 ', and described jump ring 1 and jump ring 1 ' rely on elastic force difference swelling pressure in the tube chamber of two grafting struts.

One end of described wire rope 2 flexibly connects or fixedly connected jump ring 1; The other end of stretch cord 3 flexibly connects or fixedly connected jump ring 1 '.

Described jump ring 1 and jump ring 1 ' make protruding respectively two the jump ring spring pin 6 of jump ring 1 and jump ring 1 ' by Spring Steel Wire is curved behind two circles.

The beneficial effects of the utility model are:

The utlity model has simple in structure, connect reliable, good stability, advantage such as mounting or dismounting are convenient.By the frictional force that elastic force produced this device can be securely fixed in the tube chamber of strut by jump ring, drag even firmly pull, can not come off yet, and the plug-in type strut can be connected successively according to the grafting order, not only be convenient to identification, and be convenient to peg graft, dismantle, make strut be difficult for losing.

Because adopted wire rope, so the scurf resistance height, the wire rope that exposes the strut bayonet end can not rupture because of friction, and is sturdy and durable.

The utility model also has low, the easily manufactured advantage of cost, and total has only three parts, all can adopt conventional material to make, and the structure of jump ring is also very simple, uses Spring Steel Wire promptly plastic through bending, and it makes also very convenient simple.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the perspective view of jump ring of the present utility model.

Fig. 3 is the schematic representation of one of user mode of the present utility model.

Fig. 4 is two a schematic representation of user mode of the present utility model.

Fig. 5 is that the utility model is applied in the structural representation in the mosquito net pole.

Among the figure: 1 is that jump ring, 1 ' is that jump ring, 2 is that wire rope, 3 is that stretch cord, 4 is that strut grafting head end, 5 is that strut patch end, 6 is a jump ring spring pin.

Embodiment

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

As Fig. 1, a kind of plug-in type strut connection set, it comprises jump ring 1, wire rope 2 and stretch cord 3, one end of wire rope 2 is provided with jump ring 1, the other end of wire rope 2 connects an end of stretch cord 3, the other end of stretch cord 3 is provided with jump ring 1 ', and described jump ring 1 and jump ring 1 ' rely on elastic force difference swelling pressure in the tube chamber of two grafting struts.

One end of wire rope 2 flexibly connects or fixedly connected jump ring 1, is preferably flexible connection, if the fixedly connected jump ring 1 of an end of wire rope 2 then need guarantee the tube chamber outside direction of two jump ring spring pin 6 of jump ring 1 towards the grafting strut.

The other end of stretch cord 3 flexibly connects or fixedly connected jump ring 1 ', is preferably flexible connection, if the fixedly connected jump ring 1 ' of an end of stretch cord 3 then need guarantee the tube chamber outside direction of two jump ring spring pin 6 of jump ring 1 ' towards the grafting strut.

As Fig. 2, the profile of jump ring 1 and jump ring 1 ' can be identical, can make protruding respectively two the jump ring spring pin 6 of jump ring 1 and jump ring 1 ' behind two circles by Spring Steel Wire is curved.

Wire rope 2 and stretch cord 3 can be two strands, and to gain in strength, wire rope 2 can be by fixing at the joint chucking after the curved coiled figure of eight of long wire rope; Stretch cord 3 can be connected with wire rope 2 by the mode of knotting.A jump ring 1 and a jump ring 1 ' are set on respectively on wire rope 2 and the stretch cord 3.

Stretch cord 3 can be commercially available ox-hide muscle or elastic ribbon.

As Fig. 3, jump ring 1 and jump ring 1 ' rely on the elastic force swelling pressure respectively in the tube chamber of two grafting struts.During installation, respectively of jump ring 1 and jump ring 1 ' curved coiled ring is stretched in the tube chamber of strut, simultaneously, the jump ring spring pin 6 that makes jump ring 1 and jump ring 1 ' is outside tube chamber, certain depth place in the tube chamber that the pushing lower circlip 1 and the jump ring 1 ' of instrument enters strut, simultaneously, jump ring spring pin 6 extrusion-deformation in tube chamber.

The jump ring 1 that is connected with wire rope 2 can be installed in strut patch end 5, i.e. the bigger end of strut internal diameter; The jump ring 1 ' that is connected with stretch cord 3 is installed in strut grafting head end 4, and promptly the less end of strut internal diameter is pegged graft with convenient.

Because the hardness of jump ring 1 and jump ring 1 ' is greater than the hardness of strut, jump ring spring pin 6 tightly embedding is pressed on the lumen wall of strut, produces enough frictional force, and can stop jump ring 1 and jump ring 1 ' at the tube chamber intort of strut, roll.

Strut grafting head end 4 with a strut during plug-in mounting inserts in the strut patch end 5 of another root strut, the two also can tightly combine by the frictional force between grafting spring or the fitting surface that matches, at this moment, wire rope 2 and stretch cord 3 can be extended state or relaxed state.

As Fig. 4, only need when needing dismounting strut is drawn back vertically to overcome corresponding frictional force, overcome the elastic force of wire rope 2 and/or stretch cord 3 simultaneously, strut can be separated, stretch cord 3 is in extended state after strut separates.

As Fig. 5, plug-in type strut of the present utility model is applied in the mosquito net pole with connection set, four montants of the mosquito net pole among the figure all adopt the plug-in type strut to peg graft and form, mosquito net pole is a hollow metallic rod, plug-in type strut of the present utility model is placed in the mosquito net pole with connection set, and the part of amplifying among the figure is the schematic representation of user mode of the present utility model.

The content that the utility model does not relate to all can be passed through existing techniques in realizing, and every connection set of settling in grafting stalk formula struts such as mosquito net pole, flagpole with structural similarity of the present utility model all drops within the protection domain of the present utility model.

Claims

1, a kind of plug-in type strut connection set, it is characterized in that it comprises jump ring (1), wire rope (2) and stretch cord (3), one end of wire rope (2) is provided with jump ring (1), the other end of wire rope (2) connects an end of stretch cord (3), the other end of stretch cord (3) is provided with jump ring (1 '), and described jump ring (1) and jump ring (1 ') rely on elastic force difference swelling pressure in the tube chamber of two grafting struts.

2, plug-in type strut connection set according to claim 1 is characterized in that an end of described wire rope (2) flexibly connects or fixedly connected jump ring (1); The other end of stretch cord (3) flexibly connects or fixedly connected jump ring (1 ').

3, plug-in type strut connection set according to claim 1 and 2 is characterized in that described jump ring (1) and jump ring (1 ') make protruding respectively two the jump ring spring pin of jump ring (1) and jump ring (1 ') (6) by Spring Steel Wire is curved behind two circles.