CN113531303A - Portable tripod - Google Patents

Portable tripod Download PDF

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Publication number
CN113531303A
CN113531303A CN202110541059.1A CN202110541059A CN113531303A CN 113531303 A CN113531303 A CN 113531303A CN 202110541059 A CN202110541059 A CN 202110541059A CN 113531303 A CN113531303 A CN 113531303A
Authority
CN
China
Prior art keywords
ratchet wheel
supporting
shifting fork
limiting
supporting legs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110541059.1A
Other languages
Chinese (zh)
Inventor
毛水芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yiyang Day Pupil Photoelectric Technology Co ltd
Original Assignee
Yiyang Day Pupil Photoelectric Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yiyang Day Pupil Photoelectric Technology Co ltd filed Critical Yiyang Day Pupil Photoelectric Technology Co ltd
Priority to CN202110541059.1A priority Critical patent/CN113531303A/en
Publication of CN113531303A publication Critical patent/CN113531303A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F16M11/121—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction constituted of several dependent joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
    • F16M11/32—Undercarriages for supports with three or more telescoping legs
    • F16M11/34—Members limiting spreading of legs, e.g. "umbrella legs"

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Accessories Of Cameras (AREA)

Abstract

The invention discloses a portable tripod, which belongs to the technical field of film and television equipment and comprises a tripod head and three telescopic supporting legs, wherein the tripod head is connected with a supporting seat through an angle adjusting mechanism, and the three supporting legs are arranged at the bottom of the supporting seat and are all of telescopic structures; the middle parts of the three supporting legs are provided with supporting components. The tripod head adjusts the pitching angle of the tripod head through the angle adjusting mechanism connected with the supporting seat, and adjusts the deflection angle of the tripod head in the horizontal plane through rotating the supporting seat, so that the shooting angle of the camera is finally adjusted; in addition, the height of the cradle head can be conveniently adjusted by using the telescopic supporting legs and the supporting component at the middle part of the telescopic supporting legs, and the cradle head is convenient and quick to support and retract. The invention has compact structure, convenient use, small volume after being folded, no occupation of too large space and convenient carrying.

Description

Portable tripod
Technical Field
The invention belongs to the technical field of film and television equipment, and particularly relates to a portable tripod.
Background
Along with the rapid development of social economy, the living standard of people is continuously improved, people can frequently make or record images when traveling or gathering relatives and friends, and a tripod is required to be used for fixing when the camera makes or records images. At present, the current camera tripod is basically locked the center tube on the base body through a spanner switch or a screw, and the tripod with the structure has the following limitations: the height adjustment of cloud platform is inconvenient, and the inconvenient folding of tripod is accomodate, and it is great to withdraw back volume, and is inconvenient to carry.
Disclosure of Invention
The invention aims to solve the technical problem that the portable tripod is not enough in the prior art, can adjust the height of the tripod head, can be folded and stored, and is convenient to carry.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a portable tripod comprises a tripod head and three telescopic supporting legs, wherein the tripod head is connected with a supporting seat through an angle adjusting mechanism, and the three supporting legs are arranged at the bottom of the supporting seat and are of telescopic structures; the middle parts of the three supporting legs are provided with supporting components.
Preferably, the angle adjusting mechanism comprises a base plate fixed on the side surface of the supporting seat, and the supporting seat is rotatably connected with the mounting seats of the three supporting legs; a connecting shaft horizontally arranged is arranged in the middle of the chassis, one end of the connecting shaft penetrates through the supporting seat and extends to the outer side of the supporting seat, the other end of the connecting shaft is connected with a ratchet wheel, and the ratchet wheel can axially move relative to the connecting shaft; the middle part of the outer side of the ratchet wheel is connected with a crank, and the ratchet wheel is driven to rotate by rotating the crank; the ratchet wheel is in running fit with the connecting shaft, and the holder is fixedly connected with the side face of the ratchet wheel; the chassis is provided with a shifting fork matched with the ratchet wheel and a limiting structure for axially limiting the ratchet wheel.
Preferably, a sleeve is arranged in the middle of the inner side face of the ratchet wheel, the cradle head is fixedly connected with the sleeve through a connecting rod, and a fan-shaped groove used for being matched with the track of the connecting rod is formed in the end face, facing the ratchet wheel, of the chassis.
Preferably, the limiting structure comprises a guide post arranged on the end face of the ratchet wheel, and the guide post is arranged on the outer side of the fan-shaped groove and arranged on the same side as the fan-shaped groove; the ratchet wheel is provided with an arc-shaped guide hole matched with the guide post, and the tail end of the guide post is provided with a limiting boss.
Preferably, the shifting fork is arranged on the periphery of the ratchet wheel, one end of the shifting fork is in running fit with the end face of the chassis through a rotating shaft, the other end of the shifting fork can be matched with a tooth groove of the ratchet wheel, and the shifting fork is connected with the chassis through an elastic element.
Preferably, the shifting fork is in the shape of an arc plate, the connecting end of the shifting fork is in the shape of a disc, and the free end of the shifting fork is in the shape of a gradually reduced sharp corner; the elastic element is a spring, one end of the spring is fixed in the middle of the shifting fork, and the other end of the spring is fixed on the end face of the chassis.
Preferably, the elastic element is a torsion spring, the torsion spring is sleeved on a rotating shaft of the shifting fork, and two ends of the torsion spring are respectively connected with the shifting fork and the chassis.
Preferably, the support assembly comprises a central column and three support rods which are used for being in one-to-one correspondence with the three support legs, the central column is arranged in the middle of the three support legs, and two ends of each support rod are respectively hinged with the lower end of the central column and the upper parts of the support legs; the upper parts of the three supporting legs are hinged with the mounting seat.
Preferably, the supporting leg comprises a plurality of telescopic joints which are sequentially sleeved from top to bottom, the lower telescopic joint is inserted into an inner cavity of the upper telescopic joint, the lower end of an inner hole of the upper telescopic joint is provided with a limiting step, the outer part of the inner hole of the upper telescopic joint is provided with a reinforcing joint, the upper end of the lower telescopic joint is provided with a convex brim, and the size of a through hole in the limiting step of the convex brim is larger than that of a through hole in the lower telescopic joint; two adjacent sections of expansion joints are connected through a clamping structure.
Preferably, the clamping structure comprises a pressing block, a limiting column and a reset element, the pressing block sequentially penetrates through the reinforcing joint and a limiting hole in the side wall of the lower-section telescopic joint, the reset element is arranged in an inner hole of the lower-section telescopic joint, one end of the limiting column is fixedly connected with the reset element, the other end of the limiting column penetrates through the side wall of the lower-section telescopic joint, and the outer end of the limiting column is in a spherical crown shape; the side wall of the upper-section telescopic joint is provided with a limiting hole matched with the limiting column, and the cross section size of the inner end of the pressing block is larger than the tail end size of the limiting column.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the pitching angle of the tripod head is adjusted through the angle adjusting mechanism connected with the supporting seat, and the deflection angle of the tripod head in the horizontal plane is adjusted through rotating the supporting seat, so that the shooting angle of the camera is finally adjusted; in addition, the height of the cradle head can be conveniently adjusted by using the telescopic supporting legs and the supporting component at the middle part of the telescopic supporting legs, and the cradle head is convenient and quick to support and retract. The invention has compact structure, convenient use, small volume after being folded, no occupation of too large space and convenient carrying.
Drawings
Fig. 1 is an external view of a portable tripod provided by an embodiment of the present invention;
FIG. 2 is a view showing a connection relationship between a ratchet and a chassis (a state in which the ratchet and a fork are disengaged) according to an embodiment of the present invention;
FIG. 3 is a right side view of the ratchet, fork and chassis of FIG. 2;
FIG. 4 is a sectional view A-A of the chassis of FIG. 2;
FIG. 5 is a schematic view of the engagement of the ratchet and the chassis (the engagement state of the ratchet and the fork) according to the embodiment of the present invention;
FIG. 6 is a schematic diagram showing the engagement of two expansion joints adjacent to each other above and below the support leg in the embodiment of the present invention;
in the figure: 1-a pan-tilt; 2-supporting legs, 20-telescopic joints, 21-upper-section telescopic joints, 22-lower-section telescopic joints and 23-limiting steps; 3-a support seat, 4-a chassis, 5-a connecting shaft, 6-a ratchet wheel, 7-a shifting fork, 8-a sleeve, 9-a connecting rod, 10-a fan-shaped groove, 11-a guide column, 12-a rotating shaft, 13-an elastic element, 14-a central column, 15-a support rod, 16-a pressing block, 17-a limiting column, 18-a reset element and 19-a reinforced joint; 24-arc guide hole, 25-crankshaft, 26-crank, 27-mounting seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly and completely understood, the technical solutions in the embodiments of the present invention are described below with reference to the accompanying drawings and specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, a portable tripod provided by the embodiment of the present invention includes a tripod head 1 and three telescopic legs 2, wherein the tripod head 1 is connected to a support base 3 through an angle adjusting mechanism, and the three legs 2 are arranged at the bottom of the support base 3 and are all of a telescopic structure; the middle parts of the three support legs 2 are provided with support components. The deflection and the pitching angle of the cradle head are adjusted through the angle adjusting mechanism, the height of the cradle head can be adjusted by means of the telescopic supporting legs, and the supporting legs are supported through the supporting assembly. The adoption of the structure can easily realize the adjustment of the holder; when not in use, the utility model is also convenient to be taken up, carried and transported.
In one embodiment of the present invention, as shown in fig. 2-4, the angle adjusting mechanism comprises a chassis 4 fixed on the side of a support base 3, wherein the support base 3 is rotatably connected with mounting seats 27 of three legs 2; a connecting shaft 5 which is horizontally arranged is arranged in the middle of the chassis 4, one end of the connecting shaft 5 penetrates through the supporting seat 3 and extends to the outer side of the supporting seat 3, the other end of the connecting shaft 5 is connected with a ratchet wheel 6, and the ratchet wheel 6 can axially move relative to the connecting shaft 5; the middle part of the outer side of the ratchet wheel 6 is connected with a crank 26 through a crankshaft 25, and the ratchet wheel 6 is driven to rotate by rotating the crank 26; the ratchet wheel 6 is in running fit with the connecting shaft 5, and the holder 4 is fixedly connected with the side surface of the ratchet wheel 6; and the chassis 4 is provided with a shifting fork 7 matched with the ratchet wheel 6 and a limiting structure for axially limiting the ratchet wheel 6. The ratchet wheel is rotated through the crank, so that the holder is driven to swing up and down to adjust the pitch angle; after the cradle head is adjusted, the ratchet wheel is fixed by means of the shifting fork. The specific application process is as follows:
when the pitching angle of the holder needs to be adjusted, the ratchet wheel is pushed inwards, so that tooth grooves at different positions of the ratchet wheel can be matched with the shifting fork, and the angle adjustment of the holder is realized along with the rotation of the crank; when the tripod head needs to be withdrawn and reset, the ratchet wheel is separated from the shifting fork by pressing the exposed end of the connecting shaft, and then the tripod head can swing downwards under the action of gravity. Wherein, the outside parcel antiskid cover of crank increases the frictional force between hand and the crank.
In a specific embodiment of the present invention, as shown in fig. 2 and 4, a sleeve 8 is disposed in the middle of the inner side surface of the ratchet 6, the pan/tilt head 1 is fixedly connected to the sleeve 8 through a connecting rod 9, and a fan-shaped groove 10 for matching with the track of the connecting rod 9 is disposed on the end surface of the chassis 4 facing the ratchet 6. The connecting rod swings up and down along the fan-shaped groove along with the rotation of the crank, and then drives the holder to swing up and down.
As a preferable structure, as shown in fig. 2 and 3, the limiting structure includes a guide post 11 disposed on an end surface of the ratchet 6, and the guide post 11 is disposed outside the sector groove 10 and on the same side as the sector groove 10; the ratchet wheel 6 is provided with an arc-shaped guide hole 24 matched with the guide post 11, and the tail end of the guide post 11 is provided with a limiting boss. By adopting the structure, the ratchet wheel can be conveniently limited in the process of pushing and pulling the ratchet wheel, and the ratchet wheel is prevented from being separated from the connecting shaft. In a similar way, the exposed end at the other side of the connecting shaft can be provided with a limiting cap to prevent the connecting shaft from being separated from the other side of the chassis.
In one embodiment of the present invention, as shown in fig. 2 and 3, the shifting fork 7 is disposed on the periphery of the ratchet wheel 6, one end of the shifting fork 7 is rotatably engaged with the end surface of the chassis 4 through a rotating shaft 12, the other end of the shifting fork 7 can be engaged with the tooth groove of the ratchet wheel 6, and the shifting fork 7 is connected with the chassis 4 through an elastic element 13. With the rotation of the ratchet wheel, the tail end of the shifting fork sequentially skims the tooth tops of the ratchet wheel, and the shifting fork can be pressed towards the direction of the ratchet wheel all the time under the action of the elastic element.
In an embodiment of the present invention, as shown in fig. 3, the shift fork 7 is designed in a circular arc plate shape, the connection end of the shift fork 7 is in a disc shape, and the free end of the shift fork 7 is in a tapered pointed shape; the elastic element 13 is a spring, one end of the spring is fixed in the middle of the shifting fork 7, and the other end of the spring is fixed on the end face of the chassis 4. By adopting the scheme, the shifting fork can be matched with the ratchet wheel through the stretching of the spring.
Similarly, in another embodiment of the present invention, the shifting fork 7 is designed to be a circular arc plate, the connecting end of the shifting fork 7 is a disc, and the free end of the shifting fork 7 is a tapered pointed shape; the elastic element 13 is a torsion spring (not shown in the figure), the torsion spring is sleeved on the rotating shaft 12 of the shifting fork 7, and two ends of the torsion spring are respectively connected with the shifting fork 7 and the chassis 4. The matching of the shifting fork and the ratchet wheel can be realized by adopting the torsion spring.
In an embodiment of the present invention, as shown in fig. 1, the supporting assembly includes a central column 14 and three supporting rods 15 for corresponding to the three supporting legs 2 one by one, the central column 14 is disposed in the middle of the three supporting legs 2, and two ends of the supporting rods 15 are hinged to the lower end of the central column 14 and the upper portions of the supporting legs 2 respectively; the upper parts of the three legs 2 are hinged with the mounting seat 27. By adopting the supporting component with the structure, the supporting legs can be conveniently unfolded and folded.
Further optimizing the technical scheme, as shown in fig. 1 and 5, the supporting leg 2 comprises a plurality of telescopic joints 20, the plurality of telescopic joints 20 are sequentially sleeved from top to bottom, the lower telescopic joint 21 is inserted into an inner cavity of the upper telescopic joint 22, the lower end of an inner hole of the upper telescopic joint 21 is provided with a limiting step 23, the outer part of the inner hole of the upper telescopic joint 21 is provided with a reinforcing joint 19, the upper end of the lower telescopic joint 21 is provided with a convex brim, and the size of a through hole in the limiting step 23 of the convex brim is increased; two adjacent sections of expansion joints 20 are connected by a clamping structure. The telescopic sections are sleeved in sequence, so that the telescopic and stretching of the supporting legs can be realized. In addition, the bottom of the lower end expansion joint can be provided with an anti-slip pad, so that the contact area with the ground is increased, and the friction force is improved.
In an embodiment of the present invention, as shown in fig. 5, the clamping structure includes a pressing block 16, a limiting post 17 and a reset element 18, the pressing block 16 sequentially penetrates through a reinforcing joint 19 and a limiting hole on a side wall of a lower telescopic joint 22, the reset element 18 is disposed in an inner hole of the lower telescopic joint 21, one end of the limiting post 17 is fixedly connected to the reset element 18, the other end penetrates through a side wall of the lower telescopic joint 22, and an outer end of the limiting post 17 is in a spherical crown shape; the side wall of the upper-section telescopic joint 21 is provided with a limiting hole used for being matched with the limiting column 17, and the size of the section of the inner end of the pressing block 16 is larger than the size of the tail end of the limiting column 17. The structure is adopted to conveniently realize the fixation and retraction of the adjacent expansion joints. Wherein, the reset element selects a spring. When the lower section telescopic joint is stretched outwards from the upper section telescopic joint to a proper position, the limiting column can be clamped into the limiting hole under the action of the spring, so that the two adjacent telescopic joints are relatively fixed; when the landing leg is removed to needs, inwards press the pressing block, press the piece can inwards promote spacing post, the spring is compressed, spacing post breaks away from the restraint in spacing hole, can easily retrieve the landing leg.
In addition, in order to fix equipment such as a camera conveniently, a hoop used for clamping the equipment such as the camera can be installed on the surface of the holder, and the structure can be a clamping structure for clamping a mobile phone on a mobile phone support on the market.
In conclusion, the invention has the advantages of simple and compact structure and convenient use, the pitching angle of the holder is adjusted by the matching of the ratchet wheel and the shifting fork, and the deflection angle of the holder is adjusted by the rotation matching of the supporting seat and the mounting seat; meanwhile, the telescopic supporting legs can adjust the height of the holder and are convenient to retract; the support rods in hinged connection facilitate the unfolding and folding of the support legs. The invention has simple and convenient manufacture, low cost, small volume after being folded, convenient carrying and transportation, and is especially suitable for being used outdoors.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. A portable tripod, comprising: the tripod head is connected with the supporting seat through an angle adjusting mechanism, and the three supporting legs are arranged at the bottom of the supporting seat and are of telescopic structures; the middle parts of the three supporting legs are provided with supporting components.
2. The portable tripod of claim 1 wherein: the angle adjusting mechanism comprises a base plate fixed on the side surface of the supporting seat, and the supporting seat is rotatably connected with the mounting seats of the three supporting legs; a connecting shaft horizontally arranged is arranged in the middle of the chassis, one end of the connecting shaft penetrates through the supporting seat and extends to the outer side of the supporting seat, the other end of the connecting shaft is connected with a ratchet wheel, and the ratchet wheel can axially move relative to the connecting shaft; the middle part of the outer side of the ratchet wheel is connected with a crank, and the ratchet wheel is driven to rotate by rotating the crank; the ratchet wheel is in running fit with the connecting shaft, and the holder is fixedly connected with the side face of the ratchet wheel; the chassis is provided with a shifting fork matched with the ratchet wheel and a limiting structure for axially limiting the ratchet wheel.
3. The portable tripod of claim 2 wherein: the inner side surface middle part of ratchet is equipped with the sleeve, the cloud platform links firmly with the sleeve through the connecting rod, be equipped with on the chassis towards the terminal surface of ratchet one side and be used for with connecting rod orbit complex sector groove.
4. The portable tripod of claim 3 wherein: the limiting structure comprises a guide post arranged on the end face of the ratchet wheel, and the guide post is arranged on the outer side of the fan-shaped groove and arranged on the same side as the fan-shaped groove; the ratchet wheel is provided with an arc-shaped guide hole matched with the guide post, and the tail end of the guide post is provided with a limiting boss.
5. The portable tripod of claim 2 wherein: the shifting fork is arranged on the periphery of the ratchet wheel, one end of the shifting fork is in running fit with the end face of the chassis through the rotating shaft, the other end of the shifting fork can be matched with a tooth groove of the ratchet wheel, and the shifting fork is connected with the chassis through the elastic element.
6. The portable tripod of claim 5, wherein: the shifting fork is in an arc plate shape, the connecting end of the shifting fork is in a disc shape, and the free end of the shifting fork is in a tapered pointed shape; the elastic element is a spring, one end of the spring is fixed in the middle of the shifting fork, and the other end of the spring is fixed on the end face of the chassis.
7. The portable tripod of claim 5, wherein: the elastic element is a torsion spring, the torsion spring is sleeved on a rotating shaft of the shifting fork, and two ends of the torsion spring are respectively connected with the shifting fork and the chassis.
8. The portable tripod of claim 1 wherein: the supporting assembly comprises a central column and three supporting rods which are used for being in one-to-one correspondence with the three supporting legs, the central column is arranged in the middle of the three supporting legs, and two ends of each supporting rod are hinged to the lower end of the central column and the upper portions of the supporting legs respectively; the upper parts of the three supporting legs are hinged with the mounting seat.
9. The portable tripod of any one of claims 1 to 8, wherein: the supporting leg comprises a plurality of telescopic joints which are sequentially sleeved from top to bottom, the lower telescopic joint is inserted into an inner cavity of the upper telescopic joint, the lower end of an inner hole of the upper telescopic joint is provided with a limiting step, the outer part of the inner hole of the upper telescopic joint is provided with a reinforcing joint, the upper end of the lower telescopic joint is provided with a convex brim, and the size of a through hole in the limiting step of the convex brim is large; two adjacent sections of expansion joints are connected through a clamping structure.
10. The portable tripod of claim 9 wherein: the clamping structure comprises a pressing block, a limiting column and a reset element, wherein the pressing block sequentially penetrates through a reinforcing joint and a limiting hole in the side wall of the lower-section telescopic joint, the reset element is arranged in an inner hole of the lower-section telescopic joint, one end of the limiting column is fixedly connected with the reset element, the other end of the limiting column penetrates through the side wall of the lower-section telescopic joint, and the outer end of the limiting column is in a spherical crown shape; the side wall of the upper-section telescopic joint is provided with a limiting hole matched with the limiting column, and the cross section size of the inner end of the pressing block is larger than the tail end size of the limiting column.
CN202110541059.1A 2021-05-18 2021-05-18 Portable tripod Pending CN113531303A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110541059.1A CN113531303A (en) 2021-05-18 2021-05-18 Portable tripod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110541059.1A CN113531303A (en) 2021-05-18 2021-05-18 Portable tripod

Publications (1)

Publication Number Publication Date
CN113531303A true CN113531303A (en) 2021-10-22

Family

ID=78094668

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110541059.1A Pending CN113531303A (en) 2021-05-18 2021-05-18 Portable tripod

Country Status (1)

Country Link
CN (1) CN113531303A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114590397A (en) * 2022-04-18 2022-06-07 成都纵横大鹏无人机科技有限公司 Undercarriage and unmanned aerial vehicle with adjustable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114590397A (en) * 2022-04-18 2022-06-07 成都纵横大鹏无人机科技有限公司 Undercarriage and unmanned aerial vehicle with adjustable

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