CN2573185Y

CN2573185Y - Foldable supporter for cutting machine

Info

Publication number: CN2573185Y
Application number: CN 02257851
Authority: CN
Inventors: 吴书明
Original assignee: Chevron International Trading Co Ltd
Current assignee: Chevron International Trading Co Ltd
Priority date: 2002-10-21
Filing date: 2002-10-21
Publication date: 2003-09-17
Anticipated expiration: 2012-10-21

Abstract

The utility model discloses a foldable supporting frame for supporting a cutting machine, which comprises two pairs of leg frames which are mutually symmetrical in opposite directions, wherein, each pair of leg frames comprises a pair of a first crossing leg and a second crossing leg, and the first crossing leg and the second crossing leg are crossly connected and can be swung around a crossing connecting point. Two spacing blocks are respectively arranged at two crossing connecting points and are respectively supported between each pair of the first and the second crossing legs which are crossly connected mutually, and thus the angles when the first crossing legs and the second crossing legs are completely opened can be restrained. Each first crossing leg and each second crossing leg respectively comprise an upper slide rod and a lower supporting leg, and the upper slide rod is sheathed in the lower supporting leg and can be slid and flexed, and flexed quantity is controlled through a definite structure. When the two pairs of leg frames are folded and the upper slide rod on each first and second crossing legs is retracted in the corresponding lower supporting leg, volume occupied by the foldable supporting frame for supporting a cutting machine is minimized, and thus the space of storage and transportation is saved.

Description

The Collapsible rack that is used for cutting machine

Technical field

The utility model relates to a kind of bracket with foldable that is used for cutting machine.It can be by easy and promptly fold up so that transport and preserve, or launch to be used to support cutting machine.Belong to the cutting machine technical field.

Background technology

With reference to U.S. Pat 6314893B1, it has disclosed a kind of folding support that is used for cutting machine, it is linked together by hinged mode by a Collapsible support frame and a surface rack, part is more, structure is comparatively complicated, simultaneously, the length of its frame leg cannot be regulated, and does not reach cost saving preferably and reduces the purpose of storage and transportation space.

Summary of the invention

The purpose of this utility model provides a Collapsible rack and is used to support cutting machine, this is configured to simple, light, it not only can fold, its leg can also be retracted, can be folded up very easily so that occupy as far as possible little space during accumulating, also can be unfolded and be used to support cutting machine or similar machine.In order to reach the above object, Collapsible rack in the utility model comprises the leg frame of two parafacies to symmetry, one first cross leg and one second cross leg that every secondary leg frame links together with comprising pair of cross, and form a fulcrum in the junction, making win leg frame and the second leg frame can be that fulcrum is swung in the certain angle scope with the tie point; One first jockey is fixed two first cross legs in a parallel manner, and one second jockey is fixed two second cross legs in a parallel manner, and first and second jockeys can respectively be connecting rods; One first support bar is fixedly attached between two the first cross-legged tops; One second support bar is fixedly attached between two the second cross-legged tops; The a pair of limited block of symmetry in opposite directions is installed on two fulcrum places respectively, and be supported between two couples, first and second cross legs that intersect in twos, limit each first and per two cross-legged angle of inclination, thereby can not continue again to open after forming a fixing X structure when making two leg framves of Collapsible rack open up into certain angle.At this moment, the opening angle between two leg framves of Collapsible rack makes the end face of two support bars be in level, and in a horizontal plane, so just can flatly place article in the above.

In the utility model, each of Collapsible rack first cross leg and second cross leg are made of upper slide bar and lower support leg respectively again, upper slide bar is enclosed within the lower support leg can sliding extension, and control stroke by certain structure, when upper slide bar stretches out to greatest extent, Collapsible rack reaches required bearing height, distance between two support bars also reaches setting value, when two leg framves with Collapsible rack close up mutually, and when being retracted into each first and second cross-legged upper slide bar in the corresponding lower support leg, the volume minimum that Collapsible rack is shared, thus storage and transportation space saved.

Description of drawings

Fig. 1 is structural representation of the present utility model (when the Collapsible rack that is used for cutting machine launches fully);

Fig. 2 is the partial sectional view at a fulcrum place of the Collapsible rack in the utility model

Fig. 3 is the structural representation of a limited block of the Collapsible rack in the utility model

Fig. 4 is one the first cross-legged upper slide bar of the Collapsible rack in the utility model and the structural representation of lower support leg;

Fig. 5 is one the second cross-legged upper slide bar of the Collapsible rack in the utility model and the structural representation of lower support leg;

Fig. 6 is the structural representation after the folding contraction of the Collapsible rack in the utility model;

Fig. 7 is that a cutting machine is placed on the schematic diagram on the Collapsible rack that the utility model embodies

The specific embodiment

Extremely shown in Figure 7 as Fig. 1, the folding bracket 4 that is used to support cutting machine 5 described in the utility model, comprise the leg frame 1 of two parafacies to symmetry, 1 ', every secondary leg frame 1,1 ' comprises one first cross leg 11 and one second cross leg 21 again respectively, every secondary leg frame 1, one first cross leg 11 and one second cross leg 21 in 1 ' link together swingably across by a jockey 71, as shown in Figure 2, and respectively form a swing fulcrum 9 in the junction, 9 ', interconnection two couple together first and second cross legs 11, the 21 leg framves 1 and 1 ' that combine are symmetrical in opposite directions; Collapsible rack 4 also comprises one first jockey 12 two first cross legs 11 is fixedly held in a parallel manner, and one first support bar 13 is fixedly attached between two tops 16 of two first cross legs 11; One second jockey 22 fixedly holds on two second cross legs 21 in a parallel manner, and one second support bar 23 is fixedly attached between two tops 26 of two second cross legs 21; Two symmetrical in opposite directions limited blocks 3,3 ' are installed on two fulcrums 9,9 ' respectively and locate, each limited block 3,3 ' has two one side of something 31, each one side of something 31 has a side flanging 34 to block first supporting leg 11 and second cross leg 21 of place leg frame respectively, and the angle between each limited block 3,3 ' two side flangings 34 is exactly 11,21 maximum angles that can open up into of two pairs first and second cross legs; Like this, when first cross leg 11 in the every secondary leg frame 1,1 ' and second cross leg 21 open up into maximum angle, limited block 3,3 ' just makes Collapsible rack form a firm X-shaped, at this moment, the end face 131,231 of two

support bars

13,23 just in time is in the same horizontal plane, like this, just can on end face 131,231, flatly place object, as shown in Figure 1.

As depicted in figs. 1 and 2, two jockeys 71 respectively comprise one a screw rod 7 and a nut 8, respectively two pairs first and

second cross legs

11,21 is linked together, and forms fulcrum 9,9 ', makes that

cross leg

11,21 can be around screw rod 7 swings.Can add a partition 10 between every pair first and

second cross leg

11,21, the friction when rotating between the

cross leg

11,21 to reduce.

As shown in Figure 4 and Figure 5, each first cross leg 11 and each second cross leg 21 can also comprise 14,24 and

lower support legs

15,25 of a upper slide bar respectively.Each

upper slide bar

14,24 can slide in its corresponding

lower support leg

15,25 respectively, on each

upper slide bar

14,24, have an identical elongated slot 141,241, like this, screw rod 7 passes the slip that elongated slot 141,241 just can not hinder

upper slide bar

14,24, makes two secondary leg framves 1,1 ' become scalable.As shown in Figure 3, each limited block 3,3 ' is made up of two one side of something 31 that form one, and each limited block 3, each one side of something of 3 ' 31 are that rotating shaft Rotate 180 degree and another half of 31 is overlapping with A-A.On two side flangings 34 of each limited block 3,3 ', respectively have one inwardly turn over have contact with 32.As shown in Figure 4 and Figure 5, lateral surface 151 at two lower support legs 15 and two lower support legs 25, respectively have a hole 152 on 51,252, with

upper slide bar

14,24 upwards stretch up to each elongated slot 141,241 following seam 142,242 are stopped by screw rod 7, this moment each

upper slide bar

14,24 lower port 143,243 just are positioned at each corresponding lower support leg 15, hole 152 on 25,252 top,

leg frame

1,2 when opening up into maximum angle, on two limited blocks 3 each had contact with and injected each corresponding lower support leg 15 respectively, hole 152 on 25, in 252, and be stuck in each corresponding

upper slide bar

14,24 lower port 143, under 243, thereby prop up each

upper slide bar

14,24, like this, just form the firm support that launches fully.

As shown in Figure 3, on each limited block 3,3 ' two rotational symmetric pin 33 are arranged respectively, when two pairs first cross legs 11 and second cross leg 21 are closed up mutually, two pin 33 on each limited block 3,3 ' are blocked by the corresponding a pair of first and second

lower support legs

15,25 respectively, making each have contact with 32 withdraws from from corresponding hole 152,252,

upper slide bar

14,24 just can shrink downwards, and the bracket with foldable in the utility model just can fold and be retracted to minimum volume, as shown in Figure 5.

Collapsible rack in the utility model was both simple and practical, was convenient to storage, transportation again, simultaneously, because part is few and simple, volume is little, has reduced manufacturing and cost of transportation.

Claims

1, a kind of Collapsible rack that is used to support cutting machine, comprise leg frame (1), (1 ') of two parafacies to symmetry, two leg framves (1), (1 ') respectively comprise one first cross leg (11) and one second cross leg (21), two first cross legs (11) and two second cross legs (21) respectively are pivotably connected together in twos by a jockey (71) crossingly, and form two fulcrums (9), (9 ') two junctions; Collapsible rack also comprises one first jockey (12) two first cross legs (11) is fixedly held in a parallel manner; One second jockey (22) fixedly holds on two second cross legs (21) in a parallel manner; One first support bar (13) and one second support bar (23) are fixedly attached between two tops (16) of two first cross legs (11) respectively and between two tops (26) of two second cross legs (21), it is characterized in that: two symmetrical in opposite directions limited blocks (3), (3,) locate and be supported between two pairs of cross-coupled in twos first and second cross legs (11), (21) by being loaded on two fulcrums (9), (9 ') respectively, be used to limit the opening angle of each first and second cross leg (11), (21).

2, Collapsible rack as claimed in claim 1 is characterized in that: described first and second jockeys (12), (22) are respectively connecting rods.

3, Collapsible rack as claimed in claim 1 or 2, it is characterized in that: described each first cross leg (11) and second cross leg (21) comprise a upper slide bar (14), (24) and once supporting leg (15), (25) respectively, an elongated slot (141), (241) are arranged so that corresponding fulcrum (9), the jockey on (9 ') (71) passes and do not hinder upper slide bar (14), (24) slip in corresponding lower support leg on each upper slide bar (14), (24) respectively.

4, Collapsible rack as claimed in claim 3, it is characterized in that: described two jockeys (71) respectively comprise one a screw rod (7) and a nut (8), when nut (8) is screwed, just can not slide in corresponding lower support bar (15), (25) in each upper slide bar (14), (24).

5, Collapsible rack as claimed in claim 3, it is characterized in that: described each limited block (3), on two sides of (3 ') side flanging (34) is arranged respectively, respectively have on two side flangings (34) one inwardly turn over have contact with (32), each lower support bar (15), (25) lateral surface (151), one hole (152) corresponding with having contact with (32) respectively arranged (251), (252), when two pairs of upper slide bars (14), (24) pulled out to greatest extent and two pairs first cross legs (11) and second cross leg (21) when opening up into maximum angle, described four are had contact with and insert corresponding described hole (152) respectively, (252) in and be supported on corresponding upper slide bar (14), (24) lower port (143), (243) under.

6, Collapsible rack as claimed in claim 4, it is characterized in that: each limited block (3), two pin (33) were arranged respectively on (3 '), with two secondary leg framves (1), (1 ') when closing up, described two pin (33) are respectively by the corresponding a pair of first and second lower support legs (15), (25), make each limited block (3), on (3 ') two have contact with (32) and withdraw from from corresponding hole (152), (252).

7, Collapsible rack as claimed in claim 5, it is characterized in that: each limited block (3), two pin (33) were arranged respectively on (3 '), with two secondary leg framves (1), (1 ') when closing up, described two pin (33) are respectively by the corresponding a pair of first and second lower support legs (15), (25), make each limited block (3), on (3 ') two have contact with (32) and withdraw from from corresponding hole (152), (252).