CN214790255U

CN214790255U - Tripod

Info

Publication number: CN214790255U
Application number: CN202120660391.5U
Authority: CN
Inventors: 梁志豪; 肖爽
Original assignee: Dongguan Yangcong Network Technology Co ltd
Current assignee: Dongguan Yangcong Network Technology Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-19
Anticipated expiration: 2031-03-31

Abstract

The utility model relates to the technical field of photographic equipment, in particular to a tripod, which comprises an angle clamping structure and a rotating piece, wherein one end of the rotating piece is rotatably connected with the angle clamping structure, and the other end of the rotating piece is connected with a supporting leg of the tripod; the angle control piece is matched and clamped with the angle clamping structure so as to lock the corresponding angle of the rotating piece relative to the angle clamping structure; the support leg comprises two or more leg sections, each leg section being axially movable relative to one or more of the other leg sections; the support leg further comprises a tensioning assembly mounted to the second and third leg sections, the tensioning assembly being capable of position locking and position release by tensioning and retracting. The utility model has novel structure, and realizes the adjustment of the angle of the supporting leg; compared with the traditional mode of gradually locking a plurality of joints and loosening the joints to lock and release positions, the utility model has simple, convenient and quick operation; is favorable for beauty.

Description

Tripod

Technical Field

The utility model belongs to the technical field of photographic goods technique and specifically relates to indicate a tripod.

Background

Tripods are used to stabilize cameras for some photographic effect, and the positioning of the tripods is very important. Generally, people often ignore the importance of the tripod when using the digital camera to take pictures, and in fact, the picture taking is often not away from the help of the tripod, such as the aspects of star-track shooting, running water shooting, night scene shooting, microspur shooting and the like. The tripod has the main function of stabilizing the camera no matter for amateur users or professional users, so that the tripod is popular with people; however, the common telescopic leg structure of the tripod is inconvenient to operate for many times because a plurality of joints are required to be gradually locked and loosened, and the telescopic leg structure of the existing tripod is complex and complicated to operate.

Disclosure of Invention

The utility model provides a tripod aiming at the problems of the prior art, which has novel structure and ingenious design and realizes the adjustment of the angle of the supporting leg; compared with the traditional mode of gradually locking a plurality of joints and loosening the joints to lock and release positions, the utility model has simple, convenient and quick operation; is favorable for beauty.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a pair of tripod, include:

the angle clamping structure is fixedly arranged on the base body of the tripod;

the base body is provided with a foot rest middle base mechanism for loading photographic equipment;

one end of the rotating piece is rotatably connected to the angle clamping structure, and the other end of the rotating piece is connected with a supporting leg of the tripod;

the angle control piece is arranged on the rotating piece in a sliding manner; the angle control piece is matched and clamped with the angle clamping structure so as to lock the corresponding angle of the rotating piece relative to the angle clamping structure; the support leg comprises two or more leg sections, each leg section being axially movable relative to one or more of the other leg sections to lengthen or shorten the support leg;

the supporting leg further comprises a tensioning assembly mounted on the second leg section and the third leg section, and the tensioning assembly can be used for position locking and position releasing through tensioning and contraction;

the supporting leg further comprises a control assembly arranged on the first leg section, and the control assembly is used for controlling the expansion assembly to expand or contract;

the supporting leg further comprises a transmission rod, and the control assembly is in transmission connection with the expansion assembly through the transmission rod.

The angle clamping structure is provided with a plurality of clamping positions; the angle control piece is provided with a combination part;

the combination part can be abutted against any position clamping part so as to lock the corresponding angle of the rotating part relative to the angle position clamping structure;

the angle control piece is provided with a movable guide groove, the locking screw penetrates through the movable guide groove of the angle control piece and then is in threaded connection with the rotating piece, and a plurality of disc spring gaskets used for abutting against the angle control piece are arranged between the locking screw and the angle control piece.

Wherein, tight subassembly that expands includes driving seat, extrusion cover piece and fixing base, the fixing base screw thread cup joint in the periphery of driving seat lower extreme, the equidistant distribution of periphery of fixing base has a plurality of tight pieces that expand, and the periphery cover of a plurality of tight pieces that expand is equipped with the elasticity external member, and extrusion cover piece movable sleeve is located the periphery of driving seat, the top of driving seat is provided with presses the platform, press the platform with the top slip butt of extrusion cover piece, the extrusion cover piece is used for extrudeing the tight piece that expands and makes its outside bloated, the outer wall of the tight piece that expands is provided with friction pad.

The outer periphery of the lower edge of the extrusion sleeve block is provided with a plurality of first extrusion inclined planes at equal intervals, and the first extrusion inclined planes correspond to the expansion blocks one to one.

The outer edge of the lower end of the transmission seat is provided with a ring table, a plurality of second extrusion inclined planes are arranged on the periphery of the upper edge of the ring table at equal intervals, and the second extrusion inclined planes correspond to the expansion blocks one to one.

Wherein, the upper end and the lower extreme of bloated compact heap inside wall all are provided with the butt inclined plane.

Wherein, the up end of extrusion cover piece is provided with annular groove on, the annular groove internal rotation is provided with a plurality of balls, the lower extreme of pressing the platform is full to be provided with annular groove down, goes up annular groove and corresponds the setting with annular groove down, a plurality of balls and the sliding butt of annular groove down.

The control assembly comprises a control base, a control shaft body, a control bevel gear and a hand-waving piece, wherein the control shaft body is rotatably arranged on the control base;

the top end of the transmission rod is provided with a transmission bevel gear which is in meshing transmission connection with the control bevel gear;

the swing arm is positioned on the periphery of the control base and provided with a positioning assembly and a first accommodating cavity for accommodating the positioning assembly, the positioning assembly comprises a first spring and a steel ball, two ends of the first spring are respectively connected to the inner wall of the first accommodating cavity and the outer wall of the steel ball, the front end of the steel ball protrudes out of the first accommodating cavity, the steel ball is in sliding butt joint with the outer wall of the control base, and the outer wall of the control base is also provided with a clamping groove in matched clamping connection with the steel ball; the outer wall of control base still is provided with second holding chamber, second holding chamber is installed and is used for carrying out spacing subassembly to the hand pendulum, spacing subassembly includes second spring and spacing lug, the both ends of second spring are connected respectively in the inner wall in second holding chamber and the one end of spacing lug, and the other end of spacing lug stretches out suddenly the second holding chamber and be used for with the hand pendulum butt carries on spacingly to the hand pendulum.

The foot rest middle seat mechanism comprises a locking assembly, a middle seat shaft sleeve, a movable swing seat, a locking block and a connecting rod, wherein the middle seat shaft sleeve is arranged on the seat body, the movable swing seat is movably arranged at the top end of the middle seat shaft sleeve, the movable swing seat is provided with a first through hole, the connecting rod penetrates through the first through hole, the lower end of the connecting rod is connected with the locking assembly, the locking block is connected to the upper end of the connecting rod, and the width of the locking block is greater than that of the first through hole.

The locking assembly comprises a sliding block and a screw rod, third extrusion inclined planes are arranged on two sides of the sliding block, the screw rod is rotatably arranged on the middle seat shaft sleeve and penetrates through the connecting rod, the locking block is connected with the sliding block through the connecting rod, a first pressing block and a second pressing block are respectively in threaded sleeve connection on the screw rod, the first pressing block and the second pressing block are respectively located on two sides of the connecting rod and are in threaded sleeve connection with the connecting rod, the first pressing block and the second pressing block are respectively provided with a fourth extrusion inclined plane matched with the third extrusion inclined planes to be abutted against, the screw rod is provided with a real thread section and a reverse thread section, and the first pressing block and the second pressing block are respectively in threaded connection with the real thread section and the reverse thread section.

The utility model has the advantages that:

the utility model has novel structure and ingenious design, when in use, the supporting leg is rotated to the selected gear and then the angle control piece is clamped into the angle clamping structure, thereby realizing the adjustment of the angle of the supporting leg; under the structure of the supporting leg, the control assembly is operated to drive the transmission rod to rotate, and the expansion assembly is driven to expand or contract through the transmission rod to realize position locking and releasing; wherein each leg section is axially movable relative to one or more of the other leg sections to lengthen or shorten the support leg; compared with the traditional mode of gradually locking a plurality of joints and loosening the joints to lock and release positions, the utility model has simple, convenient and quick operation; is favorable for beauty.

Drawings

Fig. 1 is a schematic structural view of a tripod according to the present invention.

Fig. 2 is a partial structure exploded view of the utility model after the support leg is hidden.

Fig. 3 is an exploded view of the present invention after hiding the supporting legs, rotating members and angle control members.

Fig. 4 is a schematic structural diagram of the support leg of the present invention.

Fig. 5 is an exploded view of the support leg of the present invention.

Fig. 6 is a schematic structural diagram of the cooperation of the control assembly and the transmission rod of the present invention.

Fig. 7 is an exploded view of the structure of fig. 6.

Fig. 8 is an exploded view from another perspective of fig. 6.

Fig. 9 is a schematic structural diagram of the expansion assembly of the present invention.

Fig. 10 is an exploded view of the expansion assembly of the present invention.

Fig. 11 is a schematic structural diagram of the driving seat of the present invention.

Fig. 12 is a schematic structural view of the extrusion nest block of the present invention.

Fig. 13 is a schematic structural view of the expansion block of the present invention.

The reference numerals in fig. 1 to 13 include:

1. supporting legs; 1a, a first leg section; 1b, a second leg section; 1c, a third leg section; 100. a base body;

2. expanding the assembly; 3. a control component; 4. a transmission rod; 5. a transmission seat; 6. extruding the sleeve block; 7. a fixed seat; 8. expanding and tightening blocks; 9. an elastic sleeve member; 10. pressing the table; 11. a rubbing pad; 12. a first extrusion ramp; 13. a ring platform; 14. a second extrusion ramp; 15. abutting against the inclined plane; 16. an upper annular groove; 17. a ball bearing; 18. a lower annular groove; 19. an accommodating groove; 20. a control base; 21. a control shaft body; 22. a control bevel gear; 23. swinging the hands; 24. a transmission bevel gear; 25. a first accommodating cavity; 26. a first spring; 27. steel balls; 28. clamping the groove; 29. a second accommodating cavity; 30. a second spring; 31. a limiting bump;

32. an angle clamping structure; 33. a rotating member; 34. an angle control member; 341. a movable guide groove; 35. clamping; 36. a bonding section; 37. locking screws; 371. a disc spring washer; 38. a movable groove;

41. a middle seat shaft sleeve; 42. a movable swing seat; 43. a locking block; 44. a connecting rod; 45. a slider; 46. a screw; 47. a third extrusion ramp; 48. a first compact block; 49. a second compact block; 50. a fourth extrusion ramp; 51. a top plate; 52. a threaded stud.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

A tripod, as shown in figures 1 to 13, comprising:

the angle clamping structure 32 is fixedly arranged on the base body 100 of the tripod;

the base body 100 is provided with a foot stool middle base mechanism for loading photographic equipment;

the rotating part 33, one end of the rotating part 33 is rotatably connected to the angle blocking structure 32, and the other end of the rotating part 33 is connected to the supporting leg 1 of the tripod;

an angle control member 34 slidably provided on the rotating member 33; the angle control member 34 is in fit and clamped connection with the angle clamping structure 32 so as to lock the corresponding angle of the rotating member 33 relative to the angle clamping structure 32;

the support leg 1 comprises two or more leg segments 1a, 1b, 1c, each leg segment 1a, 1b, 1c being axially movable relative to one or more of the other leg segments 1a, 1b, 1c to lengthen or shorten the support leg 1;

the supporting leg 1 further comprises a tensioning assembly 2 arranged on the second leg section 1b and the third leg section 1c, and the tensioning assembly 2 can be used for position locking and position releasing through tensioning and contraction;

the supporting leg 1 further comprises a control assembly 3 arranged on the first leg section 1a, and the control assembly 3 is used for controlling the expansion assembly 2 to expand or contract;

the supporting leg 1 further comprises a transmission rod 4, and the control assembly 3 is in transmission connection with the expansion assembly 2 through the transmission rod 4.

Specifically, the utility model has novel structure and ingenious design, when in use, the supporting leg 1 is rotated to the selected gear and then the angle control piece 34 is clamped into the angle clamping structure 32, so as to realize the adjustment of the angle of the supporting leg 1; under the structure of the supporting leg 1, the control assembly 3 is operated to drive the transmission rod 4 to rotate, and the expansion assembly 2 is driven to expand or contract through the transmission rod 4 to realize position locking and releasing; wherein each leg section can move axially relative to one or more of the other leg sections to extend or shorten the support leg 1, in this embodiment, the control assembly 3 is installed on the first leg section 1a, the expansion assembly 2 is installed on each of the second leg section 1b and the third leg section 1c, the second leg section 1b is slidably sleeved in the first leg section 1a, the third leg section 1c is slidably sleeved in the second leg section 1b, the control assembly 3 is linked with the expansion assembly 2 through the transmission rod 4, when the expansion assembly 2 contracts, the second leg section 1b can slide axially relative to the first leg section 1a, the third leg section 1c can slide axially relative to the second leg section 1b to adjust the length of the support leg 1, after the length is adjusted, the transmission rod 4 is driven by the control assembly 3 to expand and tightly press against the inner wall of the first leg section 1a and the inner wall of the second leg section 1b, the position of the second leg section 1b relative to the first leg section 1a is locked, the position of the third leg section 1c relative to the second leg section 1b is locked, adjustment and locking are achieved, the structure is novel, the design is ingenious, and compared with the traditional mode that a plurality of joints are gradually locked and loosened to lock and release the positions, the utility model is simple, convenient and quick to operate; is favorable for beauty.

In the tripod of the present embodiment, the angle locking structure 32 is provided with three and equally spaced rings arranged on the periphery of the base 100; three rotating parts 33, three supporting legs 1 and three angle control parts 34 are arranged correspondingly; the tripod function is realized.

Further, in the tripod according to the present embodiment, the angle locking structure 32 is provided with a plurality of locking positions 35; the angle control piece 34 is provided with a combining part 36; the shape formed by all the clamping positions 35 is in a step-shaped tooth shape; one tooth position is set as a clamping position 35, and the outer teeth of all the teeth are distributed on the same arc line;

the combining part 36 can abut against any one of the blocking positions 35 to lock the corresponding angle of rotation of the rotating part 33 relative to the angle blocking structure 32;

the rotation piece 33 is provided with a locking screw 37, the angle control piece 34 penetrates through the movable guide groove 341, the locking screw 37 passes behind the movable guide groove 341 of the angle control piece 34 and the rotation piece 33 is in threaded connection, the locking screw 37 and a plurality of belleville spring washers 371 used for abutting against the angle control piece 34 are arranged between the angle control piece 34, and the rotation piece 33 is provided with a movable groove 38 for accommodating the angle control piece 34.

Specifically, under the above structure setting, pulling angle control piece 34, playing the guide effect under the cooperation of locking screw 37 and activity guide slot 341, locking screw 37 roll-off movable groove 38 rotates the angle that rotates 33 can adjust supporting leg 1, aligns joint 36 with corresponding screens 35, then pushes angle control piece 34 in movable groove 38 again, and angle control piece 34 resets, and joint 36 corresponds the chucking with screens 35, compresses tightly angle control piece 34 under the elastic action of belleville spring gasket 371, prevents that angle control piece 34 from becoming flexible, realizes the angle locking of supporting leg 1.

In the tripod of this embodiment, the expansion assembly 2 includes a transmission seat 5, an extrusion sleeve block 6 and a fixing seat 7, the fixing seat 7 is screwed and sleeved on the periphery of the lower end of the transmission seat 5, a plurality of expansion blocks 8 are distributed on the periphery of the fixing seat 7 at equal intervals, an elastic sleeve 9 is sleeved on the peripheries of the expansion blocks 8, the extrusion sleeve block 6 is movably sleeved on the periphery of the transmission seat 5, a pressing table 10 is arranged at the top end of the transmission seat 5, the pressing table 10 is in sliding abutting joint with the top end of the extrusion sleeve block 6, the extrusion sleeve block 6 is used for extruding the expansion blocks 8 to expand the expansion blocks outwards, and a friction gasket 11 is arranged on the outer wall of the expansion blocks 8; the friction pad 11 may be a rubber pad, a plastic pad, an anti-wear cloth pad, etc., and is not particularly limited herein.

Specifically, when the control assembly 3 drives the expansion assembly 2 to act, and when the expansion assembly 2 opens, the transmission rod 4 rotates in one direction to drive the transmission seat 5 to rotate relative to the fixed seat 7, the pressing table 10 moves downwards to push the extrusion sleeve block 6 to move downwards, the extrusion sleeve block 6 extrudes the expansion block 8 to expand outwards, and the friction gasket 11 on the outer wall of the expansion block 8 is in friction pressing with the inner wall of the first leg section 1a and the inner wall of the second leg section 1b to realize a friction locking position, wherein the elastic sleeve 9 can prevent the expansion block 8 from loosening, and also provides elastic working space and capacity for the expansion block 8, and the structural design is ingenious and reliable; when the position of the leg section is convenient to release, the control assembly 3 is operated, the transmission rod 4 rotates towards the other direction to drive the transmission seat 5 to move upwards relative to the fixed seat 7, the extrusion sleeve block 6 is separated from the expansion block 8, the expansion block 8 is folded under the action of the elastic sleeve 9, the position release is realized, and the position of the leg section is convenient to adjust

In the tripod of this embodiment, a plurality of first extrusion inclined planes 12 are arranged at the periphery of the lower edge of the extrusion sleeve block 6 at equal intervals, and the first extrusion inclined planes 12 correspond to the expansion blocks 8 one by one.

In the tripod of this embodiment, the lower extreme outer fringe of transmission 5 is provided with the loop platform 13, the upper edge periphery of loop platform 13 is provided with a plurality of second extrusion inclined planes 14 at the equidistant interval, and second extrusion inclined plane 14 and bloated compact piece 8 one-to-one.

Wherein, the upper end and the lower extreme of 8 inside walls of bloated compact heap all are provided with butt inclined plane 15.

Specifically, first extrusion inclined plane 12 and the butt inclined plane 15 cooperation slip butt of 8 upper ends of bloated tight piece, second extrusion inclined plane 14 and the butt inclined plane 15 cooperation slip butt of 8 lower ends of bloated tight piece, conveniently support to pressing and make it expand tight piece 8 to bloated.

In the tripod of this embodiment, the upper end surface of the extrusion sleeve block 6 is provided with an upper annular groove 16, a plurality of balls 17 are arranged in the annular groove in a rotating manner, a lower annular groove 18 is fully arranged at the lower end of the pressing table 10, the upper annular groove 16 and the lower annular groove 18 are correspondingly arranged, and the plurality of balls 17 are in sliding abutting joint with the lower annular groove 18. Specifically, the arrangement can ensure that the action of the pressing platform 10 when rotating and pressing the extrusion sleeve block 6 is smooth, reduce the abrasion and ensure the reliable structure.

In the tripod of this embodiment, the outer wall of the expansion block 8 is provided with an accommodating groove 19 for accommodating the elastic sleeve 9. Specifically, the accommodating groove 19 accommodates and limits the elastic sleeve 9, so that the elastic sleeve 9 is prevented from falling off, a limiting effect is achieved, and the elastic sleeve 9 can conveniently furl the expansion block 8.

In this embodiment, the two accommodating grooves 19 are provided, the two accommodating grooves 19 are respectively located at the upper end and the lower end of the outer wall of the expansion block 8, the two elastic sleeves 9 are provided, and the elastic sleeves 9 are elastic rings. Specifically, the two elastic sleeves 9 are arranged, so that the furling effect of the expansion block 8 is ensured, and the structure is reliable.

In the tripod of this embodiment, the control assembly 3 includes a control base 20, a control shaft 21 rotatably disposed on the control base 20, a control bevel gear 22 sleeved on the periphery of the control shaft 21, and a hand-piece 23 connected to the control shaft 21; the rotating part 33 is connected with the control base 20;

the top end of the transmission rod 4 is provided with a transmission bevel gear 24 which is in meshing transmission connection with the control bevel gear 22; the transmission rod 4 is rotatably arranged on the control base 20;

the handle rocker 23 is located on the periphery of the control base 20, the handle rocker 23 is provided with a positioning assembly and a first accommodating cavity 25 for accommodating the positioning assembly, the positioning assembly comprises a first spring 26 and a steel ball 27, two ends of the first spring 26 are respectively connected to the inner wall of the first accommodating cavity 25 and the outer wall of the steel ball 27, the front end of the steel ball 27 protrudes out of the first accommodating cavity 25, the steel ball 27 is in sliding butt joint with the outer wall of the control base 20, and the outer wall of the control base 20 is further provided with a clamping groove 28 in matching clamping connection with the steel ball 27;

specifically, when the control assembly 3 works, an operator pulls the hand-piece 23 to drive the control shaft body 21 to rotate, and drives the transmission rod 4 to rotate under the matching transmission of the control bevel gear 22 and the transmission bevel gear 24, wherein the rotation direction of the transmission rod 4 is determined according to the swing direction of the hand-piece 23; the single or a plurality of expansion assemblies 2 can be controlled to expand and contract by independently operating the swing hand 23 conveniently, and the operation is simple; when the hand swing 23 is not opened, the steel ball 27 is in sliding abutting contact with the outer wall of the control base 20, and after the hand swing 23 is opened until the expansion assembly 2 expands, the steel ball 27 is clamped into the clamping groove 28 for positioning under the action of the first spring 26, so that the hand swing 23 is prevented from rotating, and the structure is reliable; the clamping groove 28 is preferably a semicircular groove; when the user operates the hand swing 23 to reset, the steel ball 27 is separated from the clamping groove 28.

Further, in this embodiment, the outer wall of the control base 20 is further provided with a second accommodating cavity 29, the second accommodating cavity 29 is provided with a limiting assembly for limiting the handle 23, the limiting assembly includes a second spring 30 and a limiting projection 31, two ends of the second spring 30 are respectively connected to the inner wall of the second accommodating cavity 29 and one end of the limiting projection 31, and the other end of the limiting projection 31 protrudes out of the second accommodating cavity 29 and is used for being abutted against the handle 23 to limit the handle 23.

Specifically, when the hand 23 swings downwards until the lower end of the hand 23 abuts against the control base 20 or the first leg section 1a, at this time, under the elastic action of the second spring 30 and the structure of the limiting bump 31, the limiting bump 31 extends out of the second accommodating cavity 29 to prop the hand 23, so that the hand 23 is limited, the hand 23 can be locked, the hand 23 is prevented from being pulled by mistake or by external force, and the structure is reliable; when the hand swing 23 needs to be operated, the user only needs to press the limiting bump 31, the limiting bump 31 retracts into the second accommodating cavity 29 and gives way for the hand swing 23, and the hand swing 23 can rotate at will.

This embodiment a tripod, base mechanism in the foot rest is equipped with on pedestal 100 facial make-up, base mechanism includes locking Assembly, well seat axle sleeve 41, activity pendulum seat 42, latch segment 43 and connecting rod 44 in the foot rest, and well seat axle sleeve 41 installs on the pedestal, and activity pendulum seat 42 activity sets up well seat axle sleeve 41's top, activity pendulum seat 42 is provided with first through-hole, and first through-hole is worn to locate by connecting rod 44, and the lower extreme of connecting rod 44 is connected locking Assembly, latch segment 43 is connected to the upper end of connecting rod 44, the width of latch segment 43 is greater than the width of first through-hole.

In this embodiment, the locking assembly includes a slider 45 and a screw 46, the slider 45 is slidably disposed in the middle seat shaft sleeve 41, third extrusion inclined planes 47 are disposed on two sides of the slider 45, the screw 46 is rotatably disposed in the middle seat shaft sleeve 41 and penetrates through the connecting rod 44, wherein the connecting rod 44 penetrates through a movable slot, the screw 46 penetrates through the movable slot, and the movable slot is a waist-shaped hole, so that the connecting rod 44 can move up and down relative to the screw 46; the locking block 43 through connecting rod 44 with slider 45 connects, and threaded sleeve has first compact heap 48 and second compact heap 49 respectively on the screw rod 46, first compact heap 48 and second compact heap 49 be located the both sides of connecting rod 44 respectively and with the inner wall slip butt of well seat axle sleeve 41, first compact heap 48 with second compact heap 49 all be provided with the fourth extrusion inclined plane 50 that the cooperation of third extrusion inclined plane 47 was supported and is pressed, the screw rod 46 is provided with real thread section and anti-thread section, first compact heap 48 and second compact heap 49 spiro union in real thread section and anti-thread section respectively.

Specifically, when the movable swing seat 42 needs to be locked, the screw rod 46 is rotated, the first pressing block 48 and the second pressing block 49 can be driven to move away from or approach to each other by the rotation of the screw rod 46, the third pressing inclined surface 47 pushes the fourth pressing inclined surface 50, so that the sliding block 45 and the connecting rod 44 move downwards, the locking block 43 presses the movable swing seat 42 downwards, the friction force between the movable swing seat 42 and the middle seat shaft sleeve 41 is increased, the swing and the rotation of the movable swing seat 42 are limited, and the movable swing seat 42 can be positioned. When the movable swing seat 42 needs to be released, the screw rod 46 is rotated reversely.

In this embodiment, a top plate 51 is further disposed on the movable pendulum seat 42, and a threaded column head 52 is disposed on the top plate 51, and the threaded column head 52 can be connected to a pan-tilt and a shooting device.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. A tripod, comprising:

2. A tripod according to claim 1, wherein: the angle clamping structure is provided with a plurality of clamping positions; the angle control piece is provided with a combination part;

3. A tripod according to claim 1, wherein: the tight subassembly that expands includes driving seat, extrusion cover piece and fixing base, the fixing base screw thread cup joint in the periphery of driving seat lower extreme, the equidistant distribution of periphery of fixing base has a plurality of tight pieces that expand, and the periphery cover of a plurality of tight pieces that expand is equipped with the elasticity external member, and extrusion cover piece movable sleeve is located the periphery of driving seat, the top of driving seat is provided with presses the platform, press the platform with the top slip butt of extrusion cover piece, the extrusion cover piece is used for extrudeing the tight piece that expands and makes its outside bloated, the outer wall of the tight piece that expands is provided with friction pad.

4. A tripod according to claim 3, wherein: the periphery of the lower edge of the extrusion sleeve block is provided with a plurality of first extrusion inclined planes at equal intervals, and the first extrusion inclined planes correspond to the expansion blocks one to one.

5. A tripod according to claim 3, wherein: the outer edge of the lower end of the transmission seat is provided with a ring table, a plurality of second extrusion inclined planes are arranged on the periphery of the upper edge of the ring table at equal intervals, and the second extrusion inclined planes correspond to the expansion blocks one to one.

6. A tripod according to claim 3, wherein: the upper end and the lower extreme of bloated compact heap inside wall all are provided with the butt inclined plane.

7. A tripod according to claim 3, wherein: the up end of extrusion cover piece is provided with annular groove on, the annular groove internal rotation is provided with a plurality of balls, the lower extreme of pressing the platform is full of and is provided with annular groove down, goes up annular groove and corresponds the setting with annular groove down, a plurality of balls and the sliding butt of lower annular groove.

8. A tripod according to claim 1, wherein: the control assembly comprises a control base, a control shaft body rotatably arranged on the control base, a control bevel gear sleeved on the periphery of the control shaft body and a hand-piece connected with the control shaft body;

the swing arm is positioned on the periphery of the control base and provided with a positioning assembly and a first accommodating cavity for accommodating the positioning assembly, the positioning assembly comprises a first spring and a steel ball, two ends of the first spring are respectively connected to the inner wall of the first accommodating cavity and the outer wall of the steel ball, the front end of the steel ball protrudes out of the first accommodating cavity, the steel ball is in sliding butt joint with the outer wall of the control base, and the outer wall of the control base is also provided with a clamping groove in matched clamping connection with the steel ball;

the outer wall of control base still is provided with second holding chamber, second holding chamber is installed and is used for carrying out spacing subassembly to the hand pendulum, spacing subassembly includes second spring and spacing lug, the both ends of second spring are connected respectively in the inner wall in second holding chamber and the one end of spacing lug, and the other end of spacing lug stretches out suddenly the second holding chamber and be used for with the hand pendulum butt carries on spacingly to the hand pendulum.

9. A tripod according to claim 1, wherein: the foot rest middle seat mechanism comprises a locking assembly, a middle seat shaft sleeve, a movable swing seat, a locking block and a connecting rod, wherein the middle seat shaft sleeve is arranged on a seat body, the movable swing seat is movably arranged at the top end of the middle seat shaft sleeve, the movable swing seat is provided with a first through hole, the connecting rod penetrates through the first through hole, the lower end of the connecting rod is connected with the locking assembly, the locking block is connected with the upper end of the connecting rod, and the width of the locking block is greater than that of the first through hole.

10. A tripod according to claim 9, wherein: the locking assembly comprises a sliding block and a screw rod, third extrusion inclined planes are arranged on two sides of the sliding block, the screw rod is rotatably arranged on the middle seat shaft sleeve and penetrates through the connecting rod, the locking block is connected with the sliding block through the connecting rod, a first pressing block and a second pressing block are respectively in threaded sleeve connection on the screw rod, the first pressing block and the second pressing block are respectively located on two sides of the connecting rod and are in sliding butt joint with the inner wall of the middle seat shaft sleeve, the first pressing block and the second pressing block are respectively provided with a fourth extrusion inclined plane matched with the third extrusion inclined planes for abutting, the screw rod is provided with a real thread section and a reverse thread section, and the first pressing block and the second pressing block are respectively in threaded connection with the real thread section and the reverse thread section.