CN2467862Y

CN2467862Y - On-table type supporting leg pivoting fixing structure

Info

Publication number: CN2467862Y
Application number: CN 01200717
Authority: CN
Inventors: 沈伟宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-01-05
Filing date: 2001-01-05
Publication date: 2001-12-26
Anticipated expiration: 2011-01-05

Abstract

The utility model relates to an on-table type horse rotation fixing structure, which comprises a tripod head group and a bracket group, wherein, the lower end of a tripod head seat of the tripod head group extends and is connected with a rotation sphere; the bracket group has a rear foot and a pair of front feet to enable the upper ends of the left and the right front feet to be connected with the near upper end of the rear foot in a pin mode, and the front feet can be opened forwards or closed into the rear foot; the center of the upper end of the rear foot is provided with a ball seat used for arranging the rotation sphere; a positioning bolt penetrates into the right through hole of the rear foot and out of a through hole of the rotation sphere and a left through hole of the rear foot in order to position the connection of a screw cap and the positioning bolt; the through hole of the rotation sphere forms a horn shape which enlarges towards the two ends with the centre of sphere as a center, and therefore, the rotation sphere is tightly locked at the position of the ball seat by the positioning bolt and the screw cap and can not rotate.

Description

Table type foot rest rotational fixation structure

The utility model is about a kind of table type foot rest rotational fixation structure, is meant a kind of structure that can the commentaries on classics spheroid of The Cloud Terrace on the foot rest is closely fixing especially.

Figure 1 shows that a kind of table type foot rest commonly used, it has a The Cloud Terrace group 1, a fixed base frame 2 and three legs 3, The Cloud Terrace group 1 is provided with The Cloud Terrace 11 and The Cloud Terrace seat 12, and utilization The Cloud Terrace 11 can combine with the body of camera, digital camera, minicam, just can be fixed on the table.Its major defect is:

Because leg 3 is shorter, change ball seat 21 places that spheroid 13 is positioned fixed base frame 2 in The Cloud Terrace seat 12 lower ends with one, because The Cloud Terrace seat 12 requires to have the function of rotation in the use, it all has the scope of 90 degree forward with corner backwards, mainly control, similarly, also can and bear right moving towards a left side with opening 22 sizes of ball seat 21, but angle is little, mainly also is subjected to the restriction of opening 22 sizes of ball seat 21.

Fixed base frame 2 is to form ball seat 21 in upper end, change spheroid 13 to fix, fixed base frame 2 is that the tectonic association with two halves forms, and be fixed with a middle foot 31 in fixed base frame 2 lower end neutral position, each is connected to left side leg 32 with an inclined-plane 23 and in the both sides of fixed base frame 2, right side leg 33, allow both sides leg 32, exceed with the groove 20 of fixed base frame 2 and formulate a position mechanism in 33 upper end, can only open specific angle, just can form the open tripod shape of three legs support structure, wherein, ball seat 21 bundles with fixed base frame 2 change spheroid 13 for wrapping, the dead slot 24 that reservation is arranged in the middle of fixed base frame 2, establish a left side perforation 25 and one right perforation 26 in fixed base frame 2 both sides of dead slot 24 respectively, run through the perforation 25 of both sides with a

bolt

27,26, the other end of bolt 27 is fixing with a nut 28, because nut 28 need have the function of the moving location of rotation, be made generally in one and have outwards outstanding fin 29.Conveniently hold use with fin 29, just can utilize the fin 29 that is made into integration with nut 28, bolt 27 is formed locking or the effect of loosening, when slightly loosening nut 28, then changeing spheroid 13 can freely rotate in ball seat 21, when being adjusted to required angle, the action of promptly locking, the gap of dead slot 24 is dwindled, allow ball seat 21 parts of fixed base frame 2 of two halves move in opposite directions, produce the effect of packing, restraint tightly and wrap changeing spheroid 13, still because of still having distance between its textural commentaries on classics spheroid 13 and the fixing bolt 27, for indirect button is held mode, when brute force is pulled The Cloud Terrace seat 12, still make link to each other with The Cloud Terrace seat 12 and stationary positioned after commentaries on classics spheroid 13 phenomenon that can rotate, this just can produce the problem in the use, if still can move after the locking, can allow the insecurity in using improve, also be easy to allow adjusted angular shift, all produce the uncertainty of use.

For the article of more realistic demand are provided, the inventor researches and develops, and creates the technical solution of the utility model.

The purpose of this utility model is to provide a kind of table type foot rest rotational fixation structure, by using the fixation of direct interlocking, allow bolt pass the commentaries on classics spheroid of The Cloud Terrace seat, being matched with changes specially designed penetration hole in the spheroid, can make the commentaries on classics spheroid still have original rotating function, but when bolt was locked, its stationarity was enhanced, also can't be pulled, reached the purpose of the accuracy that can guarantee its use.

The purpose of this utility model is achieved in that a kind of table type foot rest rotational fixation structure, it is characterized in that: the The Cloud Terrace group has The Cloud Terrace seat and The Cloud Terrace, this The Cloud Terrace is positioned the The Cloud Terrace seat, this The Cloud Terrace seat lower end is equipped with the commentaries on classics spheroid for extending, be provided with penetration hole in this commentaries on classics spheroid, this penetration hole be formed centrally in the centre of sphere being to two ends enlarge horn-like, groups of holders has rear supporting leg and a pair of front support leg, this left side, the upper end of right front leg is pinned at the place near to the upper end of rear supporting leg, can open forward or fold backward and lean on into rear supporting leg, this rear supporting leg upper end is provided with ball seat, this ball seat is inserted for this commentaries on classics spheroid, holding down bolt is penetrated by one of rear supporting leg one side, through changeing the penetration hole of spheroid, perforation through the opposite side of rear supporting leg passes, and engages with holding down bolt with positioning screw cap, closely changes spheroid with holding down bolt and nut locking and no longer rotates in the ball seat place.

This is divided into left front leg and right front leg to front support leg, and this rear supporting leg has the and arranged on left and right sides plate of V shape subtended angle form, and this biside plate has carrier in the upper end, and the inner formation of this biside plate containing space is accommodated the front support leg of invagination.This positioning screw cap has rotating vane.This holding down bolt is provided with head and embeds perforation, and the inner face of this head contacts with the surface of changeing spheroid.

Major advantage of the present utility model is the effect with the accuracy that can guarantee its use.

Further specify below in conjunction with preferred embodiment and accompanying drawing.

Fig. 1 looks cross-sectional schematic for the master of common features.

Fig. 2 is an expansion shape schematic perspective view of the present utility model.

Fig. 3 perspective exploded view of the present utility model.

Fig. 4 is a folding state schematic representation of the present utility model.

Fig. 5 is a kind of user mode partial schematic sectional view of the present utility model.

Fig. 6 is second kind of user mode partial schematic sectional view of the present utility model.

Consult Fig. 2-shown in Figure 6, the utility model is a kind of table type foot rest rotational fixation structure, has a The Cloud Terrace group 4 and a groups of holders 5, and The Cloud Terrace group 4 has a The Cloud Terrace seat 42 and a The Cloud Terrace 41, and The Cloud Terrace seat 42 lower ends are connected to a commentaries on classics spheroid 43 for extension; This The Cloud Terrace 41 is discoid, has a V-type groove 44 in side face, there is a scalariform hole 45 at The Cloud Terrace 41 centers, pass scalariform hole 45 with a camera retaining screw 46, allow this retaining screw 46 pass, join with fixed hole with the camera bottom surface, The Cloud Terrace 41 is set the space of reserving into the end face of The Cloud Terrace seat 42, close the periphery of seat 42 with a packing swing arm 47 inside interlockings by cloud, the inner of this swing arm 47 is stretched into be butted on V-type groove 44 places, and this swing arm 47 has a shank part and a screw portion, shank part is conveniently held, screw portion in being embedded at The Cloud Terrace seat 42 a nut or internal thread after stretch into the space place of reservation, lock with an anti-avulsion screw 48 on the The Cloud Terrace seat 42, drop to prevent this swing arm 47, The Cloud Terrace seat 42 has a lug 49 again, be connected to an endless belt 6 in lug 49 places, use foot rest of the present utility model conveniently to hold.

Groups of holders 5 has a rear supporting leg 51 and a pair of

front support leg

52,53, make left front leg 52, the upper end of right front leg 53 is connected to the nearly upper end of rear supporting leg 51 respectively with a pin 54 and one pad 55, rear supporting leg 51 has the left side of V shape subtended angle form, right biside plate 512,513, side plate 512,513 have a generouser and big left side in the upper end, right carrier 514,515, and in biside plate 512, the 513 inner containing spaces 511 that form, to accommodate a pair of front support leg 52 that folds into this lath-shaped, 53, a left side, right

front leg

52,53 all are contraction-like with the lower end of rear supporting leg 51, allow the cutter shelly of rear supporting leg 51 as curved arc,

front support leg

52,53 is blade-like, and

front support leg

52,53 articulates dried rear supporting leg 51 corresponding carriers 514 with the upper end, 515 interior sides as two gills part.

During expansion, be folding state, open two front support legs 52 forward by Fig. 4, after 53, the whole expansion used, as the forward foot in a step of mantis, be fixed on the plane, or when not using, two

front support legs

52,53 are folded lean on into rear supporting leg 51, in the middle of rear supporting leg 51 upper ends, be provided with a ball seat 510.Ball seat 510 allows this commentaries on classics spheroid 43 insert.

Ball seat 510 is to carrier 514 by this, 515 folded establishing, in carrier 514,515 inner face respectively is provided with a left side, right circle recess 516,517, to contact with commentaries on classics spheroid 43, changeing spheroid 43 can rotate between the recess hole of ball seat 510 front and back, connecing does not have a location bolt 56 to be penetrated through changeing the penetration hole 40 of spheroid 43 by the right side perforation 519 of the carrier 515 of rear supporting leg 51, pass through the left side of rear supporting leg 51 carriers 514 perforation 518 then, again to engage with the holding down bolt 56 of ball seat just like butterfly sheet positioning screw cap 57, wherein positioning screw cap 57 has a rotating vane 571, allow nut 57 be partially submerged in left side perforation 518, the head 561 of holding down bolt 56 is that the location is stuck in the right perforation 519, the penetration hole 40 that changes spheroid 43 for be formed centrally in the centre of sphere being to two ends enlarge horn-like, just can more closely change spheroids 43 with positioning screw cap 57 lockings and no longer rotate in ball seat 510 places of rear supporting leg 51 with penetration hole 40 with holding down bolt 56.

The horizontal location mode of The Cloud Terrace group 4 as shown in Figure 5, just can make changes the opening swing of spheroid 43 in front and back, be to move at opening with the neck bar portion that commentaries on classics spheroid 43 is connected with 42 of The Cloud Terrace seats, when commentaries on classics spheroid 43 is swung left or backward, move owing to only design between less angle, promptly as shown in Figure 6, utilization as trumpet-shaped penetration hole 40 reach changes the rotary function of spheroid.

Structure in sum, the utility model utilization runs through the trumpet-shaped penetration hole that is fixed in the The Cloud Terrace seat commentaries on classics spheroid, reaching direct locking changes the purpose of spheroid, so that change the mechanism that spheroid has the locking location, different with indirect clasp fastened commonly used, and all do not change because of rotatability in the utility model, but polarization is enhanced, so when after with the positioning screw cap locking, and the The Cloud Terrace seat can't be pulled, and can not make change spheroid send out in unexpected rotary state, it has very high bundle solidity, integral body can provide good usability, be one fully with different mechanism commonly used.And the utility model in addition design the structure of groups of holders is arranged, also show the different outward appearances and the effect of use.

The above is the detailed description of preferred embodiment of the present utility model and graphic, is not to be used for limiting the utility model, the embodiment of the spirit variation similar of all claims and approximate structure with it, all should be contained in of the present utility model in.

Claims

1, a kind of table type foot rest rotational fixation structure, it is characterized in that: the The Cloud Terrace group has The Cloud Terrace seat and The Cloud Terrace, this The Cloud Terrace is positioned the The Cloud Terrace seat, this The Cloud Terrace seat lower end extension is equipped with the commentaries on classics spheroid, be provided with penetration hole in this commentaries on classics spheroid, this penetration hole be formed centrally in the centre of sphere being to two ends enlarge horn-like, groups of holders has rear supporting leg and a pair of front support leg, this left side, the upper end of right front leg is pinned at the place near to the upper end of rear supporting leg, open forward or fold backward and lean on into rear supporting leg, this rear supporting leg upper end is provided with ball seat, and this ball seat is inserted for this commentaries on classics spheroid, and holding down bolt is penetrated by one of rear supporting leg one side, through changeing the penetration hole of spheroid, pass from the perforation of the opposite side of rear supporting leg, engage with holding down bolt, closely lock this commentaries on classics spheroid and no longer rotate in the ball seat place with holding down bolt and nut with positioning screw cap.

2, table type foot rest rotational fixation structure according to claim 1, it is characterized in that: this is divided into left front leg and right front leg to front support leg, this rear supporting leg has the and arranged on left and right sides plate of V shape subtended angle form, this biside plate upper end has carrier, this biside plate is inner form that containing space accommodates invagination this to front support leg.

3, table type foot rest rotational fixation structure according to claim 1, it is characterized in that: this positioning screw cap has rotating vane.

4, table type foot rest rotational fixation structure according to claim 1, it is characterized in that: this holding down bolt is provided with head and embeds perforation, and the inner face of this head contacts with the surface of changeing spheroid.