CN2177159Y

CN2177159Y - Adjustable and movable support frame

Info

Publication number: CN2177159Y
Application number: CN 93243583
Authority: CN
Inventors: 曹文钟
Original assignee: ZHENJIE INDUSTRY Co Ltd
Current assignee: ZHENJIE INDUSTRY Co Ltd
Priority date: 1993-10-27
Filing date: 1993-10-27
Publication date: 1994-09-14
Anticipated expiration: 2003-10-27

Abstract

The utility model relates to an adjustable and movable support frame, comprising a main supporting bar and at least three supporting bottom bars pin connected with the lower part of the supporting bar. The bottom bar has a slid slot penetrating a buckling bar at radial direction, the buckling bar can be buckled with the positioning hole of the outward buckling positioning joint block of the lantern ring arranged at the bottom of the supporting bar and a supporting bar used for positioning the bottom bar. The buckling element can cause the buckling bar to disengage the positioning hole in compression, and the position of the bottom bar can be adjusted.

Description

Adjustable and movable support frame

The utility model relates to a kind of adjustable movable foot rest, and is quite convenient when its special structure makes its combination, and time saving and energy saving, and in use, the person of being easy to use adjusts the status of support of foot rest.

In lighting burner, for example halogen lamp or quartz lamp etc. for stationary lamp, and are often installed with the support foot rest.The foot rest that prior art is used generally has a vertical main support bar, and its top is connected with lighting burner, and the bottom then locks length than short connecting element along branch directions such as circumference with screw, and bottom bar is supported in socket one on each connecting element then.The support bottom bar that utilization is radial arrangement forms in main support bar bottom and enlarges supporting surface, makes the standing upright that the main support bar can be firm, can't topple over because of the weight of top lighting burner.

The foot rest of above-mentioned prior art because of locking and connecting element with screw, in case after assembling is finished, then can't adjust the angle of supporting bottom bar, has produced suitable inconvenience in the use.

Afterwards, the multiple design appearance of supporting the bottom bar angle of adjusting was arranged.For example this case inventor's Taiwan patent application case numbers 79205287, or Taiwan patent application case numbers 78208429, or Taiwan patent application case numbers 77209120 etc., on connecting element, improved, utilize assemblings such as some button bars, elastic element, can reach the purpose of adjustment.

In above prior art, because its structural design problem makes elastic element one end to combine with button bar, thereby when assembling, produced the quite act of operation of difficulty, must elastic element could be assembled the location by complicated instrument.Especially, when adjust supporting the angle of footing, all be directly to the button bar application of force, therefore, very easy finger with the user crushes, and causes danger.In addition, button bar protrudes and exposes, and influences overall appearance.

The purpose of this utility model is to provide a kind of adjustable movable foot rest, makes it can overcome prior art and supports the existing shortcoming of foot rest.

For achieving the above object, the utility model provides a kind of adjustable movable foot rest, comprises a main support bar, one collar, and at least three support bottom bars, wherein, each supports the location of the bottom bar and the above-mentioned collar to connect the pivot points part that piece constitutes, and further comprises:

A button is held element, also is articulated in above-mentioned position and will supports bottom bar pivot joint end and location to connect piece to coat, and is provided with cam bit in its inside;

One button bar runs through the chute of being offered on the above-mentioned bottom bar, and with an elastic element with this button bar in remaining in the chute bottom at ordinary times, and be positioned to make relevant bottom bar location in the positioning hole that above-mentioned location connects piece,

The cam bit that above-mentioned button is held element contacts with button bar, when making this button hold element to be stressed, this cam bit compressing button bar at the chute intrinsic displacement of above-mentioned bottom bar to break away from positioning hole, make above-mentioned bottom bar relatively pivoting point rotate.

Advantage of the present utility model is to provide a kind of adjustable movable foot rest, and its button is held element and only contacted with elastic element, makes overall package very convenient, and outfit greatly lowers.In addition, button is held element and is coated fully, and when adjusting, the user only needs that level and smooth button is held the element surface application of force and gets final product, and does not have any dangerous generation.And it is to promote button bar with the cam bit of inside to move that button is held element, and can not crush the shortcoming of user's finger.

Below with reference to accompanying drawing, the utility model is described in further detail.In the accompanying drawing:

Fig. 1: according to the constitutional diagram of a kind of preferred embodiment of the utility model, represent its folding state,

Fig. 2: support bottom bar open configuration schematic representation according to the utility model of embodiment shown in Figure 1,

Fig. 3: be connected exploded view partly with the main support bar according to support bottom bar of the utility model,

Fig. 4: according to the composite structure cross section view shown in the figure three,

Fig. 5 A, 5B, 5C represent action diagram of the present utility model.

See also Fig. 1 and Fig. 2, adjustable movable foot rest of the present utility model has a main support bar 1, preferably constitutes with extension type, for example two-section or more than three sections.Upper end at this main support bar 1 then can be connected with the lighting burner (not shown), to support illumination lamp.And the lower end of main support bar 1 then links with at least three support bottom bars 2, and these support that bottom bar 2 can be that the center rotates with the pivoting point with 1 pivot joint of main support bar then, to form expansion state shown in Figure 2, to support main support bar 1.

See also Fig. 3, bottom at main support bar 1, be sheathed with a collar 3, branches such as periphery circumference along this collar 3 connect piece 31 to being protruded with at least three location, its number equates with the number of supporting bottom bar 2, and each location connects piece 31 centers and articulates a pivoted hole 21 of supporting bottom bar 2 with pivot 32, makes relevant support bottom bar 2 pivoting point and rotating relatively.The location connects the periphery of piece 31 and has offered a plurality of positioning holes 33, and button bar 4 slips into wherein with bottom bar 2 location.

Shown button bar 4 in Fig. 3 is the chutes 22 that run through pivoted hole 21 tops of bottom bar, and contacts with shell fragment 5 one free ends 52 in being fixed in bottom bar 2 ends with an end, is positioned at chute 22 belows when keeping button bar 4 flat.The state of its combination can be consulted Fig. 4.

One button is held element 6, is the main member in the utility model.With regard to shape, be one "

" the type structure, width connects piece 31 formed width greater than the location approximately, and the part of snapping can be coated.In its end face 61, be protruding with pair of cams piece 62, the position of the relative cam bit 62 of tail end then is provided with a locating column 63.And, offer the resistance that grooving 64 is pushed with reduction along the both sides of end face 61, and in the bi-side that button is held element 6, offer axis hole 65 relatively, run through for pivot 32, connect piece 31 and button held element 6 and support bottom bar 2 to be articulated in the location.

In addition, in the binding of bottom bar 2 partly, be preferably formed as square shaft-likely, and cut, so that utilize rivet 51 that the other end of shell fragment 5 is fixed in bottom bar 2 inside at the end face that articulates direction.

Fig. 5 A, 5B, 5C have shown the adjustment action of support bottom bar 2 of the present utility model.Button bar 4 is because there is the free end 52 of shell fragment 5 to hold, and in the following orientation that remains in chute 22 at ordinary times, and promptly button bar 4 is buckled in the location and connects in the positioning hole 33 of piece 31, makes to support bottom bar 2 location and do not move (as shown in Figure 4).When adjust supporting bottom bar 2, then first make-up is held element 6 end faces 61 ends and is pushed, and makes cam bit 62 compressing button bars 4 make it at chute 22 intrinsic displacements, and the button that has broken away from 22 pairs of button bars 4 of positioning hole holds state, shown in Fig. 5 A.At this moment, then can rotate freely and support bottom bar 2, shown in Fig. 5 B, and in the next positioning hole 22 that arrives.Afterwards, eliminate if make-up is held pushing of element 6, then button bar 4 will be because of the restoring force of shell fragment 5 free ends 52, and button bar 4 can be pushed back the following orientation of chute 22, promptly buckles in the positioning hole 33, shown in Fig. 5 C, can adjust the angle of supporting bottom bar 2 and reach.In addition, offer grooving 64 on the element 6, make and when the rotation bottom bar, can not hinder because hold at button.

Overall structure of the present utility model makes and is very easy to when assembling, this is one of the utility model major advantage, be described as follows: when assembling, earlier shell fragment 5 fixed ends are fixed in bottom bar 2 inside, again button bar 4 is run through from chute 22 and protrude bottom bar 2, and button bar 4 protrusion two ends are positioned on the positioning hole 33.Then, button is held element 6 cover on and connect partly, and pass the pivoted hole of each member and fixing, promptly finished an assembling of supporting bottom bar easily with pivot 32.Especially, only conflicted, and do not had big resistance, compared with prior art had taken great strides in one's progress with the free end 52 of shell fragment 5 at button bar 4.

Claims

1, a kind of adjustable movable foot rest comprises:

One main support bar,

One collar is fixed in the bottom of above-mentioned main support bar, and connects piece in the location that its periphery circumference five equilibrium outwards is provided with protrusion, and connects in this location and to offer positioning hole on the piece;

At least three support bottom bars, the location that the inner of each bottom bar and the above-mentioned collar outwards protrude connects piece and articulates, and can support to make latter's standing upright to above-mentioned main support bar formation;

It is characterized in that:

The location of above-mentioned each the support bottom bar and the above-mentioned collar connects the pivot points part that piece constitutes, and further comprises:

2, adjustable movable foot rest according to claim 1 is characterized in that: above-mentioned main support bar is at least more than the bipartial, and its length of scalable adjustment.

3, adjustable movable foot rest according to claim 1, it is characterized in that: the end that above-mentioned button is held the relative cam bit of element internal is provided with locating column.

4, adjustable movable foot rest according to claim 1 is characterized in that: above-mentioned button hold element for "

" type.

5, adjustable movable foot rest according to claim 4 is characterized in that: the end face that above-mentioned button is held element suitably cuts out grooving along both sides, the resistance of pushing with reduction.