CN2802547Y

CN2802547Y - Tripod for camera

Info

Publication number: CN2802547Y
Application number: CN200520064797.8U
Authority: CN
Inventors: 杨永坚
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-22
Filing date: 2005-09-22
Publication date: 2006-08-02
Anticipated expiration: 2015-09-22

Abstract

The utility model relates to a tripod for a camera, which is provided with an opening and closing mechanism for rapidly regulating the opening and the closing angles of supporting legs, and a rotating inner expansion type locking mechanism which is connected among supporting pipes, wherein the opening and closing mechanism is connected between a supporting pipe seat of the supporting legs in a tripod and a tripod main body, wherein ratchets and ratchet pawls on the supporting pipe seat are meshed to control the opening and the closing angles of the supporting legs of the tripod; the supporting pipes can control the lock or the looseness of the supporting pipes of the supporting legs by the rotation match of a conical screw rod and a conical nut; the top part of a centre shaft of the tripod is provided with a regulating rotating disk which is provided with a scale, and the bottom part is provided with an opening type hook. The utility model has the advantages of novel design, firm structure, convenient operation, reliable performance and beautiful and generous appearance.

Description

A kind of camera trivets

Technical field

The utility model relates to a kind of photography, shooting tripod, and especially a kind of volume is little, in light weight, the professional foot rest of the outer efficiently shadow of use, belongs to the photographic goods technical field.

Background technology

The use of camera often will be used the camera trivets support, and the tripod support generally is made of three supporting legs, and every supporting leg is made up of some telescopic arms.The foot rest supporting leg to be opened when foot rest uses, should open suitable angle, it can not fallen down because of loading onto camera, particularly full length shot, regulate the arm of supporting leg again and determine its height.Camera trivets support in the past generally clamps the opening angle that limits the foot rest supporting leg with slide block or spiral, this clamping mode inconvenience that operates, and performance is also unreliable; And supporting leg respectively saves the Telescopic Fixed rotation of arm and skids easily because of there not being position-limit mechanism, and the radially rotation of supporting leg is unfettered, makes troubles for the use of camera foot stool.

Summary of the invention

The purpose of this utility model provides a kind of camera trivets, and it adopts open-and-close mechanism and the rotation internal-expansion type latch mechanism of supporting leg and the axis of stretching structure of the quick adjustment supporting leg opening angle of pulling control.The utility model limits foot rest supporting leg opening angle with ratchet, is connected with nut and limits supporting leg and radially rotate with conical screw, thereby reach easy to operate, effect that performance is safe and reliable.

The utility model camera trivets, comprise tripod main body, arm, branch holder, branch pipe connection, rotating disk, axis, elevating lever, suspension hook, arm is connected on the branch holder and with the tripod main body and links to each other, the axis elevating lever vertically passes the tripod main body from the middle part, lifting nut is enclosed within the top of main body, rotating disk is loaded on tripod axis head position, it is characterized in that arm is provided with the open-and-close mechanism of regulating the supporting leg opening angle by intersubjective connection of branch holder and tripod; Connection between arm is provided with arm rotation internal-expansion type latch mechanism.The open-and-close mechanism of regulating the supporting leg opening angle comprises ratchet, pawl axis, ratchet stop collar, ratchet limit spring, handle, swing arm, Handle axis, branch holder; Ratchet is enclosed within on the pawl axis, and it is parallel with swing arm that the pawl axis level is passed the limit arm of main body, and swing arm is connected with handle, is provided with the ratchet that is meshed with ratchet on branch holder.

Described arm rotation internal-expansion type latch mechanism comprises branch holder, centring ring, protection gum cover, arm, arm screw rod, nut and cover nut; arm is connected on the tripod main body by branch holder; in the arm pipe, evenly be provided with tapered cup nut; be fixed with the arm screw rod at the branch pipe connection place, the conical screw at branch pipe connection place is connected with the corresponding rotation of arm inner conical nut.

The axis of this tripod adopts two joint or multi-joint telescoping formula structures, and passes main center.

The utility model tripod axis top is provided with the rotating disk of band rule, is provided with pull type suspension hook moving up and down in the axis bottom.

The outside surface of the utility model tripod metal arm and central siphon wraps carbon cloth, becomes the metal tube that carbon cloth is strengthened.

Concrete principle of work of the present utility model is such:

1, when needs are opened tripod and got out the foot rest supporting leg, pull handle earlier, handle drives swing arm and lifts ratchet, makes the supporting leg opened with certain angle, and ratchet is on the ratchet of reset of card at branch holder under the effect of ratchet spring, and supporting leg is motionless; In the time will packing up foot rest, the ratchet on the branch holder rotates along ratchet, and supporting leg can draw in easily.

2, the branch pipe connection place is provided with conical screw, matches with tapered cup nut in the arm, in the flexible connection between arm, can limit the rotation of arm, and when tightening or unscrewing any joint and prop up the pipe box nut, each saves arm and can and then not spin.

The advantage that the utility model had: compare with camera trivets in the past, the utility model adopts the open-and-close mechanism of the quick adjustment supporting leg opening angle of pulling control to control foot rest supporting leg opening angle, with conical screw be connected with tapered cup nut locking and the restriction supporting leg radially rotate, arm rotation internal-expansion type latch mechanism provides and the suitable coupling mechanism force of external thread sleeve locking type structure, the axis of stretching structure has increased the ratio of stretching of tripod integral body, reduces weight.The utility model is easy and simple to handle, in light weight, clamping force is big, performance is safe and reliable.

Description of drawings

Fig. 1 is the utility model camera trivets structural drawing;

Fig. 2 is the utility model camera trivets structural representation;

Fig. 3 is the utility model camera trivets rotating disk exploded view;

Fig. 4 is the utility model camera trivets turntable structure synoptic diagram;

Fig. 5 is the utility model camera trivets blackwall hitch composition;

Fig. 6 is the utility model camera trivets supporting leg folding arrestment mechanism exploded view;

Fig. 7 is the utility model camera trivets supporting leg folding brake structure figure;

Fig. 8 is the utility model camera trivets elevating lever exploded view;

Fig. 9 is the utility model camera trivets supporting leg exploded view

Figure 10 is the utility model supporting leg internal-expansion type locking mechanism structure figure;

Figure 11 is the utility model parcel carbon element cloth arm sectional view (pipe);

Figure 11 A is the utility model parcel carbon element cloth arm sectional view (anistree pipe);

Figure 11 B is the utility model parcel carbon element cloth arm sectional view (the outer pipe of interior anise);

Figure 12 shrinks the latch mechanism cut-away view for the utility model supporting leg.

Embodiment

Shown in Fig. 1-12, the utility model camera trivets head connects in the closing device, arm 18 is connected on the branch holder 14 and with tripod main body 13 and is connected, axis is made of two joint

elevating lever

12A and 12B, axis elevating lever 12B passes tripod main body 13, main body 13 tops are with elevating lever nut 57, and rotating disk 02 is loaded on the tripod head position, are provided with suspension hook 55 in the bottom of elevating lever 12B.

The utility model tripod is regulated the open-and-close mechanism of supporting leg opening angle, shown in Fig. 6 and 7, ratchet 44 is enclosed within on the pawl axis 43, be provided with ratchet stop collar 45 at pawl axis one end, pawl axis 43 levels are passed the limit arm of main body 13 and parallel with swing arm 40, swing arm 40 is positioned at an end of Handle axis 41 and is connected with handle 16, is with Handle axis stop collar 42 at Handle axis 41 other ends, is provided with the ratchet that is meshed with ratchet on branch holder 14.When needs are opened foot rest, pull handle 16, handle drives swing arm 40 and lifts ratchet 44, makes the supporting leg opened with certain angle, and ratchet 44 in reset of card under the effect of ratchet spring 46 on the ratchet of branch holder 14, supporting leg is motionless.

During operation, be used to pull the open-and-close mechanism of the quick adjustment leg opening angle of control, with hand leg is pulled outward, first tooth in the ratchet on the branch holder 14 is spacing by ratchet 44, this is the most frequently used angle, when needs increase opening angle again, press fixed handle 16, change into moment of torsion by the protruding skewback that is provided with on swing arm 40 and the ratchet and make ratchet 44 overcome spring force up to open, this moment finger at the pulling leg, angle increases to next stage simultaneously, finger by fixed handle unclamps, ratchet promptly under spring force reset of card so analogize at second ratchet upper limit, need receive low-angle or regain fully in wide-angle, directly leg is turned back toward in and get final product, because designed ratchet, ratchet are unidirectional spacing, this moment, ratchet also automatically reset.

Supporting leg of the present utility model is made of four joint arms, and as shown in Figure 9, arm 18 is connected on the main body 13 by branch holder 14, locating sleeve 15, is with protection gum cover 24 on arm 18.Be respectively equipped with

tapered cup nut

31,28 and 33 in

arm

18,19 and 20 the pipe,

screw rod

36,17,35 bottoms that are fixed on the branch pipe connection are equipped with the conical surface, and the conical screw of branch pipe connection is connected with the corresponding rotation of arm inner conical nut.When arm connected, arm 18 tops were socketed in the branch holder 14, and

arm

19,20,21 is socketed in the arm 18 successively by a screw rod on the

branch pipe connection

36,17,35 and a pipe bushing 25,32,34.Supporting leg inner terminal arm 21 inserts in the arms 20 by centring ring 29A, lining 34 covers, and

arm

20,19

logical centring ring

26A, 22 and

lining

32,35 be inserted in successively again in the arm 19,18.

Arm

18,19 is connected locking with

pipe box nut

23,26B, 29B respectively with 20 tail end.Put

pipe gum cover

24,27 and 30 on

nut

23,26B and the 29B respectively.Tail end at arm 21 is equipped with footmuff 37, held stationary when pressing ground with the assurance foot rest.Because the mutual rotation of branch pipe connection and arm inner conical screw rod, nut cooperates, in

arm

18,19,20 and flexible connection of 21, can limit the rotation of arm, when tightening can unscrew any joint and prop up the pipe box nut time, each saves arm and can and then not spin.

Shown in Fig. 9,10, be fastenedly connected in adjacent two arms and pass nut 31 than the screw rod on the smaller branch pipe 36, lining 25 is loaded between the two and is close to the inwall of big arm, on screw rod 36, be provided with the conical surface, its top is provided with register pin, be provided with on nut 31 that the conical surface, outside are equipped with cushion rubber 38, the top is provided with positioning salience, the rotation by conical screw 36 and tapered cup nut 31 cooperates, thus locking or unclamp arm.When arm 19 turns clockwise with respect to arm 18, the screw rod 36 that is anchored on the arm 19 rotates synchronously, nut 31 passes through cushion rubber 38 in the friction force of arm 18, produce and arm 18 relative motionless trends, thereby rotate relative to arm 19, under the effect of screw thread, nut 31 produces move toward one another with screw rod 36, both circular conical surfaces are outwards forced lining 25 again and are expanded and force the inwall of tight arm 19, thereby realize locking.Under locking state, when two arm reverse rotations, then also relatively nut 31 reverse rotations of screw rod 36, both move dorsad, and the conical surface is no longer oppressed lining 25, and lining is replied state of nature, and two arms are in pine and join state and then open.If more piece pipe bonding part is in pine and joins state, the relative clockwise continuously rotation of largest tube this moment with minimum tube, then each joint one of them can finish aforesaid locking action earlier, continue then to hand on up to whole lockings.

As shown in figure 12,

arm

18,19 is locked by the connection that tight lock tube 22A, arm nut 23, gum cover 24 carry out between arm.

The utility model tripod axis top is provided with the rotating disk 02 of band rule 03, as shown in Figure 3 and Figure 4.Connector screw 05 is contained in the rotary disk basement 09, cover with cover plate 11, connect earphone by screw 05, the logical centring ring 04 of rotating disk is fixed on the rotary disk basement 09, on rotating disk 02, be provided with rotating disk pad 01, side at rotating disk 02 is equipped with handle 07, and handle is fixed on the rotating disk by holding screw 08, latch segment 06, by the angle of handle control rotating disk rotation.The top of elevating lever 12B is provided with elevating lever plug 10 in axis, is connected to rotary disk basement 9 on it.Be provided with elevating lever lead key 48 in elevating lever, elevating lever can be done elevating movement along lead key, regulates the height of foot rest with this.Set nut 47 is placed on the main body 13, is used to lock foot rest; By elevating lever nut 57, interior elevating lever lock sleeve 56 and outer elevating lever lock sleeve 50, set nut 49, lock inside and outside elevating lever respectively.

Suspension hook 55 is equipped with in the lower end of elevating lever 12B of the present utility model, as shown in Figure 8.Gum cover 51 fixed covers are on suspension ring 52, and elevating lever plug 54 clamps suspension ring 52, and by screw retention on elevating lever 12B.Suspension hook 55 straight bar parts vertically pass suspension ring 52 and gum cover 51, and its end is provided with nut, and the suspension hook crotch partly stretches out outside the elevating lever.Be placed with round section joint ring 53 at 52 ends of suspension ring.Suspension hook 55 can move up and down in bar by the clamping force of gum cover.Not the time spent, suspension hook upwards can be pushed up, fill in the elevating lever; During use, suspension hook is pulled out, on suspension hook, hang up objects such as camera bag, it is gained in weight, the foot rest center of gravity is reduced, more stability and safety.

Metal arm 58 surfaces of the utility model tripod superscribe carbon fiber sheet 59, become the metal tube that carbon fiber sheet is strengthened.Both increased the intensity of arm, the phenomenon that the metal arm clings skin had taken place in the time of can preventing under cold snap free-hand operation arm again.Equally, the also available carbon fiber sheet parcel of central siphon.

Claims

1, a kind of camera trivets, comprise tripod main body, arm, branch holder, axis, rotating disk, elevating lever, suspension hook, arm is connected on the branch holder and with the tripod main body and links to each other, elevating lever vertically passes the tripod main body from the middle part, lifting nut is enclosed within the top of main body, it is characterized in that arm is provided with the open-and-close mechanism of regulating the supporting leg opening angle by intersubjective connection of branch holder and tripod; Connection between the arm and locking are provided with rotation internal-expansion type latch mechanism.

2, a kind of camera trivets according to claim 1 is characterized in that the open-and-close mechanism of described adjusting supporting leg opening angle comprises main body (13), ratchet (44), pawl axis (43), ratchet stop collar (45), ratchet limit spring (46), handle (16), swing arm (40), Handle axis (41), branch holder (17); Ratchet (44) is enclosed within on the pawl axis (43), be provided with ratchet stop collar (45) at pawl axis one end, it is parallel with swing arm (40) that pawl axis (43) level is passed the limit arm of main body (13), swing arm (40) is positioned at an end of Handle axis (41) and is connected with handle (16), be with Handle axis stop collar (42) at Handle axis (41) other end, on branch holder (14), be provided with the ratchet that is meshed with ratchet.

3, a kind of camera trivets according to claim 1, it is characterized in that in the described rotation internal-expansion type latch mechanism, be fastenedly connected in adjacent two arms and pass nut (31) than the screw rod on the smaller branch pipe (36), lining (25) is loaded between the two and is close to the inwall of big arm, on screw rod (36), be provided with the conical surface, its top is provided with register pin, be provided with on nut (31) that the conical surface, outside are equipped with cushion rubber (38), the top is provided with positioning salience, rotation by conical screw (36) and tapered cup nut (31) cooperates, thus locking or unclamp arm.

4, a kind of camera trivets according to claim 1, arm (18) is connected on the main body (13) by branch holder (14), locating sleeve (15) in the rotation internal-expansion type latch mechanism that it is characterized in that connecting between described arm, in the pipe of arm (18), (19) and (20), be respectively equipped with conic nut (31), (28), (33), be respectively equipped with conical surface screw rod (36), (17), (35) at arm (19), (20), (21) head, the conical surface screw rod of branch pipe connection is connected with the corresponding rotation of arm inner conical surface nut.

5, a kind of camera trivets according to claim 1, it is characterized in that tripod axis top is provided with the adjusting rotating disk (02) of rule (03), rotating disk is fixed on the rotary disk basement (09) by centring ring (04), is provided with pull type suspension hook moving up and down (55) in the bottom of tripod axis elevating lever (12B).

6, a kind of camera trivets according to claim 5, the straight-bar that it is characterized in that suspension hook (55) vertically passes suspension ring (52), gum cover (51) and elevating lever plug (54) and hangs on the suspension ring (52), gum cover (51) is fixed on the suspension ring (52), elevating lever plug (54) clamps suspension ring (52) and is fixed on the elevating lever (12B), and suspension hook (55) crotch also can move up and down in bar downwards.

7, a kind of according to claim 1 or 5 camera trivets is characterized in that the tripod axis is two joints or the above telescopic structure of two joints.

8, a kind of camera trivets according to claim 1 is characterized in that the polygon that the cross section is rounded or three limits are above in the described arm.

9, according to claim 1 or 8 described a kind of camera trivets, it is characterized in that the outside surface of metal arm and central siphon wraps carbon cloth, become the metal tube that carbon cloth is strengthened.