CN201595383U

CN201595383U - Auxiliary support leg matching structure of folding table frame

Info

Publication number: CN201595383U
Application number: CN2009201819255U
Authority: CN
Inventors: 陈棋镐
Original assignee: Kebeili Xiamen Leisure Products Co Ltd
Current assignee: THE ROVER (XIAMEN) TRADING CO., LTD.
Priority date: 2009-12-21
Filing date: 2009-12-21
Publication date: 2010-10-06
Anticipated expiration: 2019-12-21

Abstract

The utility model discloses an auxiliary support leg matching structure of a folding table frame. The table frame includes a table top support frame, at least two leg frames and two auxiliary support legs. The table top support frame is formed by two longitudinal rods and three transverse rods, wherein the two longitudinal rods are pivotally hinged together by two rod pieces though unidirectional pin joint components, and two ends of the transverse rod in the middle of the support frame are fixed on opposite sides of the two pin joint components. One end of each of the two auxiliary support legs is respectively pivotally connected to the transverse rod in the middle of the table top support frame through pin joint plates, and the other end of each of the two auxiliary support legs is respectively pivotally connected to the middle of a transverse leg rod of each leg frame through pin joint plates. Inner and outer sleeve rods of the auxiliary support legs of the folding table frame are pivotally connected with the leg frames and the support frame through pivoting plates, and accordingly pivotal fit clearance is small, thereby avoiding shakes of the table frame due to the pivotal clearance, and increasing support stability of the table frame.

Description

Folding table frame auxiliary legs fit structure

Technical field

The utility model is about a kind of folding table frame, is meant a kind of folding table frame auxiliary legs fit structure that is applied to especially.

Background technology

As shown in Figures 1 to 4, traditional folding table frame comprises a desktop carriage 1 ', bipod 2 ' and two auxiliary legs 3 '; Desktop carriage 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 articulated part 4 ' be articulated with make carriage 1 ' form can doubling two cell cubes, cross bar 12 ' the two ends that are arranged in carriage 1 ' middle part are the pivoted holes 42 ' that are articulated in this unidirectional articulated part 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 carriage 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 after flattening and pivot is placed in the middle part of carriage 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 locating ring 5 ' is arranged in addition, when the table frame launches, locating ring 5 ' can move down and be placed on two braces, 32 ' articulated section, 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, locating 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 carriage 1 ', carriage 1 ' doubling is more promptly finished folding of whole table frame.

But there is following defective in the folding table frame of above-mentioned traditional structure:

One end of auxiliary legs 3 ' straight-bar is trepanning to be set and pivot is placed on the cross bar 12 ' of carriage 1 ' by flattening, then trepanning with certainly will have movable gap cooperating of cross bar 12 ', the phenomenon that so causes a hack lever spare easily to rock makes the middle part of carriage 1 ' support comparatively unstable.

In addition, the expansion of auxiliary legs 3 ' is to rely on locating ring 5 ' to carry out lock-bit with folding, and user's foot touches this locating ring 5 ' easily in actual the use, make its easy lock-bit that breaks away from auxiliary legs 3 ', make desk produce and rock, and then go out to collapse easily, have potential safety hazard.

The utility model content

Main purpose of the present utility model provides a kind of folding table frame auxiliary legs fit structure that improves a frame stability.

Secondary objective of the present utility model provides a kind of folding table frame auxiliary legs fit structure that improves a frame security.

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

A kind of folding table frame auxiliary legs fit structure, this frame comprise a desktop carriage, bipod and two auxiliary legs at least; The desktop carriage is formed by two vertical poles and three cross bars, and wherein two vertical poles are articulated by unidirectional articulated part by two rod members respectively, and the cross bar two ends that are positioned at the carriage middle part are to be fixed in this two unidirectional articulated part opposite side; Wherein: an end of two auxiliary legs is to be articulated on the cross bar at desktop carriage middle part by pin-jointing piece respectively, and the other end also is articulated in the horizontal foot lever of foot rest middle part by pin-jointing piece respectively.

Described two auxiliary legs are stretched interposed structure by what inside and outside loop bar formed, wherein interior loop bar with outside the position of the relative expansion of loop bar be provided with the two positioner of location.

Described positioner is on the loop bar at least one locating hole to be set outside, and the position of corresponding locating hole is provided with at least one snap-on on interior loop bar.

Described snap-on is that a V-type shell fragment one side connects a protruding grain and constitutes.

Also be fixed with a foot rest on the cross bar at described carriage middle part, this foot rest is formed by two perpendicular foot levers are connected two perpendicular foot levers with one horizontal foot lever.

After adopting such scheme, because the inside and outside loop bar of the auxiliary legs of folding table frame of the present utility model is the pivot joint by the realization of pivot sheet and foot rest and carriage, so order pivot joint fit clearance is little, and a table frame of avoiding producing owing to the pivot joint gap rocks, and improves the stability of table frame support.

In addition, two auxiliary legs adopt the structure of inside and outside loop bar, and realize the lock-bit of the two by built-in positioner, so can guarantee the reliability that this auxiliary legs supported when a frame launched, be not prone to locating ring in the tradition table frame and easily break away from the phenomenon of self-locking, guarantee the security that the table frame uses.

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 the unfolding state figure of the utility model table frame;

Fig. 6 is the side view of the utility model table frame;

Fig. 6 A is the partial enlarged drawing cutaway view of Fig. 6;

Fig. 7 is the folding action diagram of the utility model table frame;

Fig. 8 is the folding state figure of the utility model table frame.

The specific embodiment

Folding table frame extremely shown in Figure 8 as Fig. 5, that the utility model discloses, it comprises a desktop carriage 1, tripod 2 and two auxiliary legs 3.

Desktop carriage 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 articulated part 4 be articulated with make carriage 1 form can doubling two cell cubes, cross bar 12 two ends that are positioned at carriage 1 middle part are to be fixed in this two unidirectional articulated part 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; This unidirectional articulated part 4 is one " U " type groove seat, and auricle 41 is extended to articulate two rod members 111 of vertical pole 11 to both sides in its two side, and notch is for 111 activities of two rod members; And bottom land be for the end of two rod members 111 against, to realize the unidirectional pivot joint of two rod members 111.

Foot rest 2 is to be individually fixed on the two ends cross bar 12 of carriage 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 at carriage 1 middle part, 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.

Key of the present utility model is:

And two auxiliary legs 3 are respectively by inside and

outside loop bar

31,32 form stretch interposed structure, wherein interior loop bar 31 with outside the position of loop bar 32 relative expansion be provided with the two positioner 33 of location, promptly this positioner 33 is on the loop bar 32 at least one locating hole 321 to be set outside, and the position of corresponding locating hole 321 is provided with at least one snap-on 322 on interior loop bar 31, cooperate shown in Fig. 6 A, this snap-on 322 is that a V-type shell fragment 3,221 one sides connect a protruding grain 3222 and constitute, the tapering profile that this V-type shell fragment 3221 forms, cooperate closely with locating hole 321 when making protruding material 3222 eject the locating hole 321 of outer loop bar 32, it is moving to avoid producing string, and the order location is more firm.The free end of the free end of inside and

outside loop bar

31,32 or outer

interior loop bar

32,31 is to be articulated in carriage 1 middle part cross bar 12 and foot rest 2 horizontal foot levers 22 middle parts respectively, and is to articulate by the pivot sheet 121,221 that is fixed on cross bar 12 and the horizontal foot lever 22.

Shown in Fig. 5,6, when this frame launched, the inside and outside loop bar the 31, the 32nd of its auxiliary legs 3 was stretched out mutually and is realized the location by positioner 33, thereby the foot rest 2 at table frame two ends is had the effect of the support kept out.

Shown in Fig. 7,8, when this frame need fold, remove the positioning relation of the positioner 33 of auxiliary legs 3, promptly its buckle that breaks away from locating hole 321 is concerned to snap-on 322 application of forces, auxiliary legs 3 entire length are shortened, just the leg 2 of table frame both sides can be received the lower surface that be against carriage 1, carriage 1 doubling again is folded in middle part leg 2 and just realizes folding of whole table frame between the both sides leg 2.

In sum, the relatively traditional auxiliary support leg matching structure of folding table frame of auxiliary support leg matching structure of folding table frame of the utility model announcement has following advantage:

1, the inside and outside loop bar 31, the 32nd of auxiliary legs 3, by the pivot joint with carriage 1 of pivot sheet 121,221 realizations and foot rest 2, so order pivot joint fit clearance is little, and a table frame of avoiding producing owing to the pivot joint gap rocks, and improves the stability of table frame support.

2, owing to the inside and outside loop bar 31 of auxiliary legs 3 employings of this frame, 32 structure, and realized the lock-bit of the two by built-in positioner 33, so can guarantee the reliability that this auxiliary legs 3 supported when a frame launched, be not prone to the phenomenon that locating ring in the tradition table frame easily breaks away from self-locking, guarantee the security that the table frame uses.

Claims

1. folding table frame auxiliary legs fit structure, this frame comprise a desktop carriage, bipod and two auxiliary legs at least; The desktop carriage is formed by two vertical poles and three cross bars, and wherein two vertical poles are articulated by unidirectional articulated part by two rod members respectively, and the cross bar two ends that are positioned at the carriage middle part are to be fixed in this two unidirectional articulated part opposite side; It is characterized in that: an end of two auxiliary legs is to be articulated on the cross bar at desktop carriage middle part by pin-jointing piece respectively, and the other end also is articulated in the horizontal foot lever of foot rest middle part by pin-jointing piece respectively.

2. folding table frame auxiliary legs fit structure as claimed in claim 1 is characterized in that: two auxiliary legs are stretched interposed structure by what inside and outside loop bar formed, wherein interior loop bar with outside the position of the relative expansion of loop bar be provided with the two positioner of location.

3. folding table frame auxiliary legs fit structure as claimed in claim 2 is characterized in that: positioner is on the loop bar at least one locating hole to be set outside, and the position of corresponding locating hole is provided with at least one snap-on on interior loop bar.

4. folding table frame auxiliary legs fit structure as claimed in claim 3 is characterized in that: snap-on is that a V-type shell fragment one side connects a protruding grain and constitutes.

5. folding table frame auxiliary legs fit structure as claimed in claim 1 is characterized in that: also be fixed with a foot rest on the cross bar at carriage middle part, this foot rest is formed by two perpendicular foot levers are connected two perpendicular foot levers with one horizontal foot lever.