CN211853472U

CN211853472U - Tripod head support capable of adjusting rotary damping

Info

Publication number: CN211853472U
Application number: CN202020448751.0U
Authority: CN
Inventors: 邹青青
Original assignee: Shenzhen Ulanzi Technology Co ltd
Current assignee: Shenzhen Ulanzi Technology Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-03
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to a cradle head bracket capable of adjusting rotational damping, which comprises a supporting frame; the rotary matching seat is hollow and arranged on the support frame, a first opening is formed in one side of the rotary matching seat, a first blocking part is arranged on the first opening, and internal threads are formed in the first opening; the cloud platform frame is accommodated in the rotary matching seat and can rotate; the damping adjusting piece is rotatably arranged on the rotating matching seat and comprises a knob and a damping main body, the damping main body is provided with external threads and is connected with the knob, the knob is positioned outside the first opening and is in threaded connection with the rotating matching seat, and the knob rotates to drive the damping main body to be screwed into the rotating matching seat so that the damping main body is abutted to the cradle head frame; or the knob rotates to drive the damping main body to be screwed out of the rotating matching seat, so that the damping main body is separated from the holder, and the damping main body is abutted to the first blocking part. The tripod head support with adjustable rotation damping can effectively prevent the locking piece from being easily screwed out when the angle of the tripod head is locked.

Description

Tripod head support capable of adjusting rotary damping

Technical Field

The utility model relates to a photographic goods technical field especially relates to adjustable rotational damping's cloud platform support.

Background

In daily use of the photographing apparatus, a photographing bracket is generally provided for supporting a camera, and the camera is generally mounted on the bracket through a cradle head. In order to facilitate the camera to rotate the adjusting angle to adapt to various shooting angles, the holder can be arranged to rotate relative to the bracket.

At present, the rotating disc is arranged on a support in most cases, the spherical joint is arranged at the bottom of the cradle head, the spherical joint and the rotating disc are connected in a rotating mode, the rotating disc is arranged in a penetrating mode through the bolts to be fixed in a pressing mode through the spherical joint in order to guarantee the positioning of a rotating angle, the bolts are easily screwed out when the bolts are screwed out from the rotating disc, and the inconvenience in limiting the angle of the cradle head is caused.

SUMMERY OF THE UTILITY MODEL

On the basis, the problem that the bolt is easy to screw out when being screwed out of the rotating disc is necessary, and the tripod head support capable of adjusting the rotation damping, which can effectively prevent the locking piece from being easily screwed out when the angle of the tripod head is locked, is provided.

A rotational damping adjustable pan and tilt head support comprising:

a support frame;

the rotary matching seat is arranged at the top of the support frame, the interior of the rotary matching seat is hollow, a first opening communicated with the interior is formed in one side of the rotary matching seat, a first blocking part is arranged on the first opening, and internal threads are formed in the first opening;

the bottom of the cloud platform frame is accommodated in the rotating matching seat and can rotate relative to the rotating matching seat, and photographic equipment can be installed on the top of the cloud platform frame; and

the damping adjusting piece is rotatably arranged on the rotating matching seat and comprises a knob and a damping main body, external threads are arranged on the periphery of the damping main body, the damping main body is connected with the knob, the knob is positioned outside the first opening, the damping main body is arranged in the rotating matching seat and is in threaded connection with the rotating matching seat, and the knob rotates to drive the damping main body to be screwed into the rotating matching seat so that the damping main body is abutted and positioned with the cradle head frame; or the knob rotates to drive the damping main body to be screwed out of the rotating matching seat, so that the damping main body is separated from the holder frame, and the damping main body is abutted to the first blocking part.

Above-mentioned adjustable damped cloud platform support of rotating, cloud platform frame can rotate the cooperation seat relatively and rotate the angle of adjusting the camera shooting, and when the angle of cloud platform frame was locked to needs, can pass through rotary knob, the knob drove damping main part to rotating cooperation seat internal motion to support by the damping main part and press on the cloud platform frame. The support pressure of the damping main body to the cloud platform frame is adjusted through the rotary knob, and the rotary damping of the cloud platform frame relative rotary matching seat is adjusted. The rotary matching seat is provided with a first blocking part, when the knob rotates to drive the damping main body to move towards the outside of the rotary matching seat, the damping main body can be blocked by the first blocking part, and the damping adjusting piece is prevented from being directly screwed out from the rotary matching seat, so that the angle of the cradle head is limited and inconvenient.

In one embodiment, a boss protrudes from the outer side of the rotary matching seat, a step is formed between the boss and the outer side of the rotary matching seat, one side of the knob is recessed inwards to form a first accommodating cavity, the damping body comprises a first damping end and a second damping end which are opposite, the cross-sectional area of the second damping end is larger than that of the first damping end, the first damping end is connected and arranged in the first accommodating cavity, an external thread is arranged on the outer periphery of the second damping end, when the knob rotates to drive the damping body to be screwed into the rotary matching seat, the boss can be accommodated in the first accommodating cavity, the knob is abutted against the step, and the second damping end is abutted against and positioned on the holder; when the knob rotates to drive the damping main body to be screwed out of the rotating matching seat, the second damping end is abutted to the first blocking part. The damping adjusting piece can be effectively prevented from being excessively screwed into the rotary matching seat to cause damage to the damping adjusting piece through the abutting limit of the first accommodating cavity of the knob and the boss of the rotary matching seat; the damping main part can be through the fine being connected of first damping end and knob, and the second damping end of damping main part can be effectual spacing with first stop part butt, prevents that the damping main part from directly being twisted out in the running fit seat entirely.

In one embodiment, a protrusion is protruded from the inner bottom wall of the first accommodating cavity, the end face of the first damping end is recessed towards the second damping end to form a groove, and the protrusion is clamped in the groove to connect the damping main body with the knob. Make the first damping end of damping main part and the first chamber that holds can be fine be connected, the knob rotation of being convenient for drives the damping main part and rotates, and is more convenient when knob and damping main part are dismantled.

In one embodiment, the damping adjusting part further comprises a damping block, an end surface of the second damping end is recessed towards the first damping end to form a second accommodating cavity, the damping block is accommodated in the second accommodating cavity, and when the knob rotates to drive the damping main body to be screwed into the rotary matching seat, the damping block is abutted to the cradle head frame for positioning.

In one embodiment, the holder bracket with adjustable rotational damping further comprises a rotational gear, the rotational gear is elastically clamped on the rotational fitting seat and connected with the holder bracket, and in an initial state, the rotational gear is clamped with the rotational fitting seat to prevent the holder bracket from rotating relative to the rotational fitting seat; during the rotation state, rotate the gear piece pressed to motion in the cloud platform frame, just rotate the gear piece with it breaks away from the joint to rotate the cooperation seat and makes the cloud platform frame can be relative rotate the cooperation seat and rotate. The setting of rotating gear can make the cloud platform frame rotate the cooperation seat relatively more steadily and rotate, will rotate gear and be pressed down when moving in the cloud platform frame, the cloud platform frame can rotate the cooperation seat relatively and rotate to required angle, loosen and rotate gear back, rotate gear can with rotate the cooperation seat joint for the relative cooperation seat location of rotating of cloud platform frame is at required angle.

In one of them embodiment, the cloud platform frame bottom is equipped with the mounting groove, it includes gear button and spring to rotate the gear piece, gear button circumference outside is equipped with the gear tooth, rotate the cooperation seat with one side that damping adjustment piece is relative is equipped with the second opening with inside intercommunication, gear groove has been seted up in the second opening, be equipped with the second stop part on the second opening, the gear button is located in the second opening, and with cloud platform frame link, the relative both ends of spring respectively with the diapire of mounting groove the gear button butt, the gear button is in the spring elastic force effect of spring down to rotate cooperation seat outward movement, make the gear tooth block into in the mounting groove, just the gear tooth with second stop part butt. The structure that makes the elasticity joint of rotating gear spare and rotating cooperation seat or break away from is more convenient, and the operation is more convenient.

In one embodiment, the second opening is a circular opening, the gear button is cylindrical, the gear teeth are provided in a plurality of numbers, the gear teeth are arranged on the periphery of the gear button at intervals along the circumferential direction of the gear button, the gear grooves are arranged in the second opening along the circumferential direction of the second opening, and the gear teeth can be correspondingly clamped into the gear grooves. The cradle head frame can be conveniently suitable for positioning at various different angles.

In one embodiment, the gear button is provided with a connecting arm protruding towards one end of the cloud platform frame, a circumferential groove wall of the mounting groove is provided with a connecting groove, and the connecting arm is inserted into the connecting groove so that the gear button is connected with the cloud platform frame.

In one embodiment, the mounting groove is a circular groove, the connecting groove is provided with a plurality of connecting grooves, and the connecting grooves are arranged on the circumferential groove wall of the mounting groove at equal intervals along the circumferential direction of the mounting groove; the gear button is cylindrical, the linking arm is equipped with a plurality ofly, and follows the equidistant interval of circumference of gear button is located on the gear button, it is a plurality of the linking arm corresponds the card and goes into a plurality ofly in the spread groove.

In one embodiment, the rotary matching seat comprises a first base and a second base, the first base and the second base are oppositely arranged on the top of the supporting frame at intervals, the bottom of the cloud platform frame is arranged between the first base and the second base, the bottom of the cloud platform frame is respectively connected with the first base and the second base in a rotating mode, the first base is hollow, the first opening is formed in the first base, the damping adjusting piece is rotatably arranged on the first base, the second base is hollow, and the rotary gear piece is elastically clamped on the second base.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the adjustable rotational damping cradle head support of the present invention;

FIG. 2 is a cross-sectional view of the adjustable rotational damping pan/tilt head mount shown in FIG. 1;

fig. 3 is a schematic diagram of an explosive structure of the cradle head support with adjustable rotational damping shown in fig. 1;

fig. 4 is a schematic diagram of an explosive structure of the cradle head support with adjustable rotational damping shown in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a support frame; 2. a rotating matching seat; 21. a first opening; 22. a first blocking portion; 23. a boss; 24. a second opening; 25. a gear groove; 26. a second blocking portion; 27. a first base; 28. a second base; 3. a cloud stand; 31. mounting grooves; 311. connecting grooves; 4. a damping adjustment member; 41. a knob; 411. a first accommodating chamber; 412. a protrusion; 42. a damping body; 421. a first damping end; 422. a second damping end; 423. a groove; 424. a second accommodating chamber; 43. a damping block; 5. rotating the gear member; 51. a gear button; 511. gear teeth; 512. a connecting arm; 52. a spring.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is apparent that the specific details set forth in the following description are merely exemplary of the invention, which can be practiced in many other embodiments that depart from the specific details disclosed herein. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, 2 and 3, in an embodiment, a holder for a pan/tilt head with adjustable rotational damping includes: support frame 1, rotation cooperation seat 2, cloud platform frame 3 and damping adjusting part 4. The support frame 1 can be a tripod or a support handle and can be used for placing and fixing or holding operations. The top of support frame 1 is located in the installation of rotation cooperation seat 2, and the inside cavity of rotation cooperation seat 2, and one side is equipped with the first opening 21 with inside intercommunication, is equipped with first barrier portion 22 on the first opening 21, is equipped with the internal thread in the first opening 21. The bottom holding of cloud platform frame 3 is in the cooperation seat 2 that rotates, and can rotate the cooperation seat 2 relatively, and photographic equipment can be installed at cloud platform frame 3 top. The damping adjusting piece 4 is rotatably arranged on the rotary matching seat 2. Specifically, the damping adjuster 4 includes a knob 41 and a damping body 42. The periphery of the damping main body 42 is provided with external threads, the damping main body 42 is connected with the knob 41, the knob 41 is positioned outside the first opening 21, the damping main body 42 is arranged in the rotary matching seat 2, and the damping main body 42 is in threaded connection with the rotary matching seat 2. The knob 41 rotates to drive the damping main body 42 to be screwed into the rotary matching seat 2, so that the damping main body 42 is abutted and positioned with the holder 3; or the knob 41 rotates to drive the damping main body 42 to be screwed out of the rotating matching seat 2, so that the damping main body 42 is separated from the tripod head frame 3, and the damping main body 42 is abutted to the first blocking part 22.

In this adjustable damped cloud platform support that rotates, cloud platform frame 3 can rotate the regulation angle of making a video recording relatively to cooperation seat 2, and when the angle of cloud platform frame 3 was locked to needs, can be through rotatory knob 41, knob 41 drives damping main part 42 to rotating cooperation seat 2 internal motion to support by damping main part 42 and press on cloud platform frame 3. The rotary damping of the cloud platform frame 3 relative to the rotary matching seat 2 is adjusted by adjusting the pressing force of the damping main body 42 to the cloud platform frame 3 through the rotary knob 41. Be provided with first barrier portion 22 on the cooperation seat 2 rotates, when knob 41 is rotatory to drive damping main part 42 and move to the outside of cooperation seat 2, damping main part 42 can be blocked to first barrier portion 22, prevents that damping adjusting part 4 from directly twisting out in the cooperation seat 2, causes the spacing inconvenience of angle to the cloud platform.

Referring to fig. 2 and 3, in one embodiment, a boss 23 protrudes from an outer side of the rotary engaging seat 2, and a step is formed between the boss 23 and the outer side of the rotary engaging seat 2. One side of the knob 41 is recessed inward to form a first receiving chamber 411. The damping main body 42 includes a first damping end 421 and a second damping end 422 opposite to each other, the cross-sectional area of the second damping end 422 is larger than that of the first damping end 421, the first damping end 421 is connected to the first accommodating cavity 411, and an external thread is disposed on the periphery of the second damping end 422. When the knob 41 rotates to drive the damping main body 42 to be screwed into the rotary matching seat 2, the boss 23 can be accommodated in the first accommodating cavity 411, the knob 41 is abutted against the step, and the second damping end 422 is abutted against and positioned on the tripod head frame 3 so as to adjust the rotary damping of the tripod head frame 3 relative to the rotary matching seat 2; when the knob 41 rotates to drive the damping body 42 to be screwed out of the rotary matching seat 2, the second damping end 422 abuts against the first blocking portion 22 to prevent the damping body 42 from being screwed out completely. The first accommodating cavity 411 of the knob 41 can be abutted and limited with the boss 23 of the rotary matching seat 2, so that the damping adjusting piece 4 is effectively prevented from being excessively screwed into the rotary matching seat 2 to cause damage to the damping adjusting piece 4; the damping main body 42 can be well connected with the knob 41 through the first damping end 421, and the second damping end 422 of the damping main body 42 can be effectively abutted and limited with the first blocking part 22, so that the damping main body 42 is prevented from being directly screwed out from the rotating matching seat 2.

In a connection mode of the damping body 42 and the knob 41, a protrusion 412 is protrudingly disposed on an inner bottom wall of the first accommodating cavity 411, an end surface of the first damping end 421 is recessed toward the second damping end 422 to form a groove 423, and the protrusion 412 is clamped in the groove 423 to connect the damping body 42 and the knob 41. Can make the first damping end 421 of damping main part 42 and the first connection that holds the chamber 411 can be fine, the knob 41 rotation of being convenient for drives damping main part 42 and rotates, and is more convenient when knob 41 is dismantled with damping main part 42.

Referring to fig. 2, 3 and 4, in order to realize that the damping adjusting part 4 better presses the cradle head frame 3 to adjust the rotational damping, the damping adjusting part 4 further includes a damping block 43, an end surface of the second damping end 422 is recessed toward the first damping end 421 to form a second accommodating cavity 424, the damping block 43 is accommodated in the second accommodating cavity 424, and when the knob 41 rotates to drive the damping main body 42 to be screwed into the rotational matching seat 2, the damping block 43 is abutted to the cradle head frame 3 for positioning. Considering the abutting effect of the damping block 43 and the cradle head frame 3, the damping block 43 may be a plastic part or an acrylic part, etc. having a certain elastic contact.

Referring to fig. 1 and 2, in another embodiment, the pan/tilt head locking adjustment structure further includes a rotation gear 5. The elastic clamping of the rotating gear piece 5 is arranged on the rotating matching seat 2, and the rotating gear piece 5 is connected with the holder 3. In an initial state, the rotation gear piece 5 is clamped with the rotation matching seat 2 to prevent the cloud platform frame 3 from rotating relative to the rotation matching seat 2; during the rotation state, rotate gear 5 and be pressed to motion in cloud platform frame 3, and rotate gear 5 and rotate and cooperate seat 2 and break away from the joint and make cloud platform frame 3 can rotate with rotating and cooperating seat 2 relatively. The setting of rotating gear piece 5 can make cloud platform frame 3 rotate with respect to rotating cooperation seat 2 more steadily, will rotate gear piece 5 and be pressed down when 3 internal motion of cloud platform, cloud platform frame 3 can rotate with respect to rotation cooperation seat 2 and rotate to required angle, loosen and rotate gear piece 5 back, rotate gear piece 5 can with rotate 2 joints of cooperation seat for 2 location of the relative rotation cooperation seat of cloud platform frame 3 are at required angle.

Referring to fig. 4, on the basis of the above embodiment, an installation groove 31 is further formed at the bottom of the pan/tilt frame 3. The rotary gear piece 5 comprises a gear button 51 and a spring 52, gear teeth 511 are arranged on the circumferential outer side of the gear button 51, a second opening 24 communicated with the inside is formed in one side, opposite to the damping adjusting piece 4, of the rotary matching seat 2, a gear groove 25 is formed in the second opening 24, and a second blocking portion 26 is arranged on the second opening 24. The gear button 51 is disposed in the second opening 24 and connected to the head frame 3. The opposite ends of the spring 52 are respectively abutted against the bottom wall of the mounting groove 31 and the gear button 51, the gear button 51 moves outwards from the rotary matching seat 2 under the action of the elastic force of the spring 52, so that the gear teeth 511 are clamped into the mounting groove 31, and the gear teeth 511 are abutted against the second blocking part 26. Can make the structure that the elastic clamping of rotating gear piece 5 and rotating cooperation seat 2 or break away from more convenient, it is more convenient to operate.

In practice, the second opening 24 is a circular opening. The gear button 51 is cylindrical, the gear teeth 511 are provided in a plurality of numbers, and are arranged on the periphery of the gear button 51 at intervals of equal intervals along the circumferential direction of the gear button 51, the gear groove 25 is arranged in the second opening 24 along the circumferential direction of the second opening 24, and the gear teeth 511 can be correspondingly clamped into the gear groove 25. It should be noted that the gear groove 25 includes a plurality of groove positions circumferentially arranged along the second opening 24 at intervals, and the plurality of gear teeth 511 are correspondingly snapped into the plurality of groove positions.

Referring to fig. 4, in a connection structure of the shift button 51 and the pan/tilt head frame 3, a connection arm 512 is protruded from one end of the shift button 51 facing the pan/tilt head frame 3, a connection groove 311 is formed on a circumferential groove wall of the installation groove 31, and the connection arm 512 is inserted into the connection groove 311, so that the shift button 51 is connected to the pan/tilt head frame 3. Further, the mounting groove 31 is a circular groove. The connection groove 311 is provided in plurality and is provided on a circumferential groove wall of the mounting groove 31 at equal intervals in the circumferential direction of the mounting groove 31. The gear button 51 is cylindrical, the connecting arms 512 are arranged in a plurality of numbers, and are arranged on the gear button 51 at intervals along the circumferential direction of the gear button 51, and the connecting arms 512 are correspondingly clamped into the connecting grooves 311.

Referring to fig. 3 and 4, in one embodiment, the rotating matching base 2 includes a first base 27 and a second base 28. The first base 27 and the second base 28 are oppositely arranged on the top of the support frame 1 at intervals, the bottom of the cradle head frame 3 is arranged between the first base 27 and the second base 28, and the bottom of the cradle head frame 3 is respectively connected with the first base 27 and the second base 28 in a rotating manner. The first base 27 is hollow, the first opening 21 is formed in the first base 27, the damping adjusting piece 4 is rotatably arranged on the first base 27, the second base 28 is hollow, and the rotating gear piece 5 is elastically clamped and arranged on the second base 28. Can make the relative rotation of cloud platform frame 3 cooperation seat 2 rotate more stable, damping adjusting part 4 and rotate gear 5 operation more convenient.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, substitutions and improvements can be made, and all of them should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. The utility model provides an adjustable damping's cloud platform support that rotates which characterized in that includes:

a support frame;

2. The adjustable rotational damping pan/tilt head support according to claim 1, wherein a boss protrudes from an outer side of the rotational fitting seat, a step is formed between the boss and the outer side of the rotational fitting seat, one side of the knob is recessed inward to form a first accommodating cavity, the damping body comprises a first damping end and a second damping end which are opposite, a cross-sectional area of the second damping end is larger than that of the first damping end, the first damping end is connected and arranged in the first accommodating cavity, an external thread is arranged on an outer periphery of the second damping end, when the knob rotates to drive the damping body to be screwed into the rotational fitting seat, the boss can be accommodated in the first accommodating cavity, the knob abuts against the step, and the second damping end abuts against and is positioned on the pan/tilt head support; when the knob rotates to drive the damping main body to be screwed out of the rotating matching seat, the second damping end is abutted to the first blocking part.

3. The holder support according to claim 2, wherein a protrusion is protruded from an inner bottom wall of the first accommodating cavity, an end surface of the first damping end is recessed toward the second damping end to form a groove, and the protrusion is clamped in the groove to connect the damping body with the knob.

4. The holder according to claim 2, wherein the damping adjustment member further comprises a damping block, an end surface of the second damping end is recessed toward the first damping end to form a second accommodating cavity, the damping block is accommodated in the second accommodating cavity, and when the knob is rotated to drive the damping body to be screwed into the rotation fitting seat, the damping block is abutted to the holder.

5. The adjustable rotational damping pan/tilt support according to claim 1, further comprising a rotational gear, wherein the rotational gear is elastically clamped to the rotational mating seat, and the rotational gear is connected to the pan/tilt support, and in an initial state, the rotational gear is clamped to the rotational mating seat to prevent the rotation of the pan/tilt support relative to the rotational mating seat; during the rotation state, rotate the gear piece pressed to motion in the cloud platform frame, just rotate the gear piece with it breaks away from the joint to rotate the cooperation seat and makes the cloud platform frame can be relative rotate the cooperation seat and rotate.

6. An adjustable rotationally damped pan and tilt head support according to claim 5, the bottom of the cloud rack is provided with a mounting groove, the rotating gear piece comprises a gear button and a spring, gear teeth are arranged on the outer side of the circumference of the gear button, a second opening communicated with the inside is arranged on one side of the rotary matching seat opposite to the damping adjusting piece, a gear groove is arranged in the second opening, a second blocking part is arranged on the second opening, the gear button is arranged in the second opening, and is connected with the tripod head frame, the two opposite ends of the spring are respectively abutted against the bottom wall of the mounting groove and the gear button, the gear button is in under the spring action of spring to the cooperation seat outer motion of rotating makes the gear tooth block in the mounting groove, just the gear tooth with second stop part butt.

7. The holder support according to claim 6, wherein the second opening is a circular opening, the gear button is cylindrical, the gear teeth are provided in a plurality of intervals along the circumferential direction of the gear button, the intervals are equally spaced around the circumference of the gear button, the gear groove is provided along the circumferential direction of the second opening in the second opening, and the gear teeth can be correspondingly clamped into the gear groove.

8. The adjustable rotational damping pan/tilt head stand of claim 6, wherein the shift button is provided with a connecting arm protruding toward one end of the pan/tilt head stand, a circumferential groove wall of the mounting groove is provided with a connecting groove, and the connecting arm is inserted into the connecting groove, so that the shift button is connected with the pan/tilt head stand.

9. The adjustable rotational damping pan/tilt head stand of claim 8, wherein the mounting groove is a circular groove, the connecting groove is provided in plurality and is provided on a circumferential groove wall of the mounting groove at equal intervals along a circumferential direction of the mounting groove; the gear button is cylindrical, the linking arm is equipped with a plurality ofly, and follows the equidistant interval of circumference of gear button is located on the gear button, it is a plurality of the linking arm corresponds the card and goes into a plurality ofly in the spread groove.

10. The holder rack according to claim 5, wherein the rotational fitting seat comprises a first base and a second base, the first base and the second base are relatively disposed on the top of the support frame at intervals, the bottom of the cloud platform frame is disposed between the first base and the second base, the bottom of the cloud platform frame is rotatably connected with the first base and the second base, the first base is hollow, the first opening is disposed on the first base, the damping adjusting member is rotatably disposed on the first base, the second base is hollow, and the rotational gear member is elastically clamped on the second base.