CN201593542U

CN201593542U - Elastic fastener positioning structure

Info

Publication number: CN201593542U
Application number: CN2010201018688U
Authority: CN
Inventors: 陈棋镐
Original assignee: Kebeili Xiamen Leisure Products Co Ltd
Current assignee: THE ROVER (XIAMEN) TRADING CO., LTD.
Priority date: 2010-01-19
Filing date: 2010-01-19
Publication date: 2010-09-29
Anticipated expiration: 2020-01-19

Abstract

The utility model discloses an elastic fastener positioning structure, which is implemented by matching with a telescopic inner loop bar and a telescopic outer loop bar. At least one positioning hole is arranged on the outer loop bar; at least one elastic fastener is arranged inside the inner loop bar; the elastic fastener is formed by a V-shaped spring sheet and a projecting grain connected to one side of the V-shaped spring sheet; the projecting grain penetrating through a hole on the inner loop bar projects outside the inner loop bar; the projecting grain is tapered from inside to outside; and the bore diameter of the positioning hole on the outer loop bar is smaller than the outer diameter of the position with the maximum diameter inside the projecting grain. When the projecting grain of the elastic fastener projects outside the positioning hole of the outer loop bar, the projecting grain constantly has an outward force under the action of the elastic force of the V-shaped spring sheet, and the projecting grain arranged into a tapered structure is in tightly contacting state when extending to the positioning hole of the outer loop bar, thereby being capable of ensuring the positioning stability of the inner loop bar and the outer loop bar after being unfolded. Simultaneously, the tightly contacting state needs a certain force to remove the positioning relation between the projecting grain and the positioning hole, thereby the positioning reliability of the inner loop bar and the outer loop bar can be improved after being unfolded.

Description

A kind of snap-on position structure

Technical field

The utility model is the positioning means of relevant a kind of telescopic pipe, is meant a kind of snap-on position structure especially.

Background technique

Cooperate as shown in Figures 1 to 4, existing a kind of folding table frame comprises a desktop supporting frame 1 ', bipod 2 ' and two auxiliary legs 3 '; Desktop supporting frame 1 ' is formed by two vertical poles 11 ' and three cross bars 12 ', wherein two vertical poles 11 ' respectively by two straight-bars 111 ' by constitute by two pivot ears 41 ' unidirectional driving piece 4 ' be articulated with make supporting frame 1 ' form can doubling two cell cubes, cross bar 12 ' the two ends that are arranged in supporting frame 1 ' middle part are the pivoted holes 42 ' that are articulated in this unidirectional driving piece 4 ', and the cross bar 12 ' two ends at two ends are on the free end of activity each straight-bar 111 ' of being articulated in two vertical poles 11 '; Foot rest 2 ' is to be individually fixed on the two ends cross bar 12 ' of supporting frame 1 ', and each foot rest 2 ' is formed by two perpendicular foot levers 21 ' are connected two perpendicular foot levers 21 ' with one horizontal foot lever 22 '; Auxiliary legs 3 ' forms " people " font by a straight-bar 31 ' and two braces 32 ', wherein an end of straight-bar 31 ' is trepanning to be set and pivot is placed in the middle part of supporting frame 1 ' middle part cross bar 12 ', the other end is and an end of two braces 32 ' is articulated and be folded between two braces 32 ', the other end of two braces 32 ' is the two perpendicular foot lever 21 ' inboards that are articulated in foot rest 2 ' respectively, and be positioned at horizontal foot lever 22 ' top, at straight-bar 31 ' upper sliding sleeve one positioning ring 5 ' is arranged in addition, when the table frame launches, positioning ring 5 ' can move down and be placed on two braces, 32 ' pivot-connecting position, restriction straight-bar 31 ' rotates relative to two braces 32 ', to reach the function of location self-locking, make foot rest 2 ' be in stable deployed condition.Otherwise, positioning ring 5 ' is pulled away from the relative straight-bar 31 ' in position, former location moves, can remove the self-locking of foot rest 2 ', make foot rest 2 ' and auxiliary legs 3 ' can collapse in the below of supporting frame 1 ', supporting frame 1 ' doubling is more promptly finished folding of whole table frame.

This shows the folding table frame of this structure because the expansion of auxiliary legs 3 ' is to rely on positioning ring 5 ' to carry out lock-bit with folding, user's foot touches this positioning ring 5 ' easily in actual the use, make its easy lock-bit that breaks away from auxiliary legs 3 ', make desk produce and rock; Auxiliary legs 3 ' is combined by three sections bodies of rod, then constructs relative complex.Therefore, the dealer just is designed to auxiliary legs the structure of flexible rod, how to make the auxiliary legs expansion location of this flexible rod more firmly firm, is design of the present utility model source.

The model utility content

The purpose of this utility model provides a kind of simple in structure, reliable snap-on position structure of firm position.

For achieving the above object, solution of the present utility model is:

A kind of snap-on position structure, be to cooperate flexible inside and outside loop bar and implement, loop bar is provided with at least one positioning hole outside, and be provided with at least one snap-on in the interior loop bar, this snap-on is that the protruding grain that a V-type shell fragment and one side connect constitutes, and protruding grain is the hole on the loop bar and in convexedly stretching in outside the loop bar in passing; Wherein: outwards be the protruding grain of taper of convergent in this protruding grain is served as reasons, and the positioning hole aperture on the outer loop bar is less than the external diameter at this maximum diameter place, protruding grain the inside.

Positioning hole on the described outer loop bar also forms the cone shape hole that is convergent from inside to outside.

Snap-on in described in the loop bar is set to two, and its convexity grain is the opposite direction setting, and then the positioning hole of corresponding outer loop bar also is and is oppositely arranged.

After adopting such scheme, because when the protruding grain of snap-on of the present utility model protrudes out the positioning hole of outer loop bar, be subjected to the elastic force effect of V-arrangement shell fragment, make protruding grain have an outside power all the time, and protruding grain is to be set to cone structure, make then that protruding grain is to be in the close contact state stretching outside placing during the positioning hole of loop bar, so can guarantee the steadiness that inside and outside loop bar is located after expansion, the state of this close contact needs certain power can remove itself and the positioning relation of positioning hole simultaneously, therefore can improve the outer loop bar of wind and launch the reliability that locate the back.

Description of drawings

Fig. 1 is the unfolding state figure of tradition table frame;

Fig. 2 is the folding action diagram 1 of tradition table frame;

Fig. 3 is the folding action diagram 2 of tradition table frame;

Fig. 4 is the folding state figure of tradition table frame;

Fig. 5 is implemented on the view of a frame for the utility model;

Fig. 6 is the partial enlarged drawing sectional view of Fig. 5.

Embodiment

A kind of snap-on position structure that the utility model discloses cooperates shown in Fig. 5,6, is imposed in the folding table frame to describe.

It comprises a desktop supporting frame 1, tripod 2 and two auxiliary legs 3 this folding table frame.

Desktop supporting frame 1 is formed by two vertical poles 11 and three cross bars 12, wherein two vertical poles 11 respectively by two rod members 111 by unidirectional driving piece 4 be articulated with make supporting frame 1 form can doubling two cell cubes, cross bar 12 two ends that are positioned at supporting frame 1 middle part are to be fixed in this two unidirectional driving piece 4 opposite sides; Cross bar 12 two ends at two ends are on the free end of activity each straight-bar 111 of being articulated in two vertical poles 11;

Foot rest 2 is to be individually fixed on the two ends cross bar 12 of supporting frame 1, and each foot rest 2 is formed by two perpendicular foot levers 21 are connected two perpendicular foot levers 21 with one horizontal foot lever 22;

Also be fixed with a foot rest 2 on the cross bar 12 of 1 one of supporting frame, 2 liang of perpendicular foot levers 21 of this foot rest are connected two perpendicular foot levers 21 with one horizontal foot lever 22 forms.

And two auxiliary legs 3 are stretched interposed structure by what inside and

outside loop bar

31,32 formed respectively, wherein interior loop bar 31 with outside the position of loop bar 32 relative expansion be provided with the two positioning device 33 of location, promptly this positioning device 33 is on the loop bar 32 at least one positioning hole 321 to be set outside, positioning hole 321 is that the place, nearly two ends of loop bar 32 outside is opposite direction respectively and is provided with two positioning holes 321 among this embodiment, and the position of corresponding positioning hole 321 is provided with at least one snap-on 322 in interior loop bar 31, and this snap-on 322 is that a V-type shell fragment 3,221 1 sides connect a protruding grain 3222 and constitute;

Key of the present utility model is: outwards be the protruding grain of taper of convergent in this protruding grain 3222 is served as reasons, and positioning hole 321 apertures on the outer loop bar 32 are less than the external diameter at this protruding grain maximum diameter place, 3222 the inside.And the positioning hole 321 on the outer loop bar 32 also can form the cone shape hole that is convergent from inside to outside.

When the table frame launches, inside and

outside loop bar

31,32 launch the location, when the protruding grain 3222 of snap-on 322 protrudes out the positioning hole 321 of outer loop bar 32, be subjected to the elastic force effect of V-arrangement shell fragment 3221, make protruding grain 3222 have an outside power all the time, and the setting of protruding grain 3222 cone structures, make protruding grain 3222 stretch place outside during the positioning hole 321 of loop bar 32 and positioning hole 321 be in the close contact state, so can guarantee inside and

outside loop bar

31,32 steadinesss of after expansion, locating, the state of this close contact needs certain power can remove the positioning relation of itself and positioning hole 321 simultaneously, therefore can improve inside and

outside loop bar

31,32 launch the reliability of location, back, and then improve the table frame and launch the Security of location.

The nearly two ends of corresponding outer loop bar 32 are located to be opposite direction respectively and are provided with two positioning holes 321 among this embodiment, and the snap-on 322 in the interior loop bar 31 is set to two, and its convexity grain 3222 is the opposite direction setting, and inside and

outside loop bar

31,32 reliability of positioning of order are better like this.

Claims

1. snap-on position structure, be to cooperate flexible inside and outside loop bar and implement, loop bar is provided with at least one positioning hole outside, and be provided with at least one snap-on in the interior loop bar, this snap-on is that the protruding grain that a V-type shell fragment and one side connect constitutes, and protruding grain is the hole on the loop bar and in convexedly stretching in outside the loop bar in passing; It is characterized in that: outwards be the protruding grain of taper of convergent in this protruding grain is served as reasons, and the positioning hole aperture on the outer loop bar is less than the external diameter at this maximum diameter place, protruding grain the inside.

2. a kind of snap-on position structure as claimed in claim 1, it is characterized in that: the positioning hole on the outer loop bar also forms the cone shape hole that is convergent from inside to outside.

3. a kind of snap-on position structure as claimed in claim 1 or 2 is characterized in that: the snap-on in the interior loop bar is set to two, and its convexity grain is the opposite direction setting, and the positioning hole of then corresponding outer loop bar also is and is oppositely arranged.