WO2021249348A1 - Trépied - Google Patents

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Publication number
WO2021249348A1
WO2021249348A1 PCT/CN2021/098653 CN2021098653W WO2021249348A1 WO 2021249348 A1 WO2021249348 A1 WO 2021249348A1 CN 2021098653 W CN2021098653 W CN 2021098653W WO 2021249348 A1 WO2021249348 A1 WO 2021249348A1
Authority
WO
WIPO (PCT)
Prior art keywords
locking
seat
leg
locking seat
tripod
Prior art date
Application number
PCT/CN2021/098653
Other languages
English (en)
Chinese (zh)
Inventor
单景华
彭易兵
Original Assignee
源德盛塑胶电子（深圳）有限公司
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 源德盛塑胶电子（深圳）有限公司 filed Critical 源德盛塑胶电子（深圳）有限公司
Publication of WO2021249348A1 publication Critical patent/WO2021249348A1/fr

Links

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
    • F16M11/20—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
    • 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"

Definitions

  • the invention relates to the technical field of photographic equipment, in particular to a tripod.
  • the tripod is used to support cameras and other equipment.
  • the tripod can usually be folded or folded when not in use to reduce the space occupied by the tripod and enhance its portability.
  • the most common way is to place the three legs of the tripod on the tripod.
  • the fixed seat in the center is folded, however, the outriggers are generally mounted on the fixed seat by hinges. After being folded, each outrigger will open again during the process of carrying and shaking, and the stability is not high.
  • the purpose of the present invention is to provide a tripod that can be folded and automatically locked to the legs.
  • the invention discloses a tripod, comprising a fixing base; a main rod movably connected to the fixing base; three leg assemblies respectively hinged to the fixing base for supporting the fixing base; a linkage rod, the linkage One end of the rod is hinged with the foot assembly, and the other end is hinged with the main rod; and a locking mechanism connected with the main rod, when the tripod is folded, the foot assembly is connected with the locking mechanism, The locking mechanism is used for locking and fixing at least one of the supporting leg components with the locking mechanism.
  • the locking mechanism includes a locking seat and a movable block arranged inside the locking seat, the movable block is provided with a lock bolt, and the lock bolt protrudes or is hidden in the locking seat
  • the leg assembly includes a leg, and a lock hole is provided at the bottom of the leg, and when the lock pin protrudes from the lock seat, the lock pin is matched with the lock hole.
  • the lock bolt protrudes from the upper surface of the lock seat from the inside of the lock seat, and the movable block on the other side of the lock bolt is provided with abutment The first elastic member of the movable block.
  • a boss is provided on the movable block, and the boss abuts against the locking seat, the locking mechanism further includes an unlocking button, and the locking bolt and the unlocking button are respectively located on the At both ends of the boss, the unlocking button abuts against the bottom of the movable block away from the lock bolt.
  • the movable block is provided with three, respectively corresponding to the positions of the three legs, are provided in the locking seat, the unlocking button is located in the center of the locking seat, and the unlocking button abuts against the three at the same time.
  • the active blocks are provided with three, respectively corresponding to the positions of the three legs, are provided in the locking seat, the unlocking button is located in the center of the locking seat, and the unlocking button abuts against the three at the same time.
  • the locking seat is provided at the bottom of the main rod
  • the unlocking button is provided at the bottom of the locking seat and protrudes from the locking seat.
  • the locking seat is provided with a stepped groove.
  • the stepped groove includes a first stepped surface and a second stepped surface.
  • the first stepped surface is higher than the second stepped surface.
  • the stepped groove is hinged and is located on the first stepped surface, and the lock bolt penetrates through the second stepped surface.
  • the leg assembly further includes a sleeve, the sleeve is disposed on the leg, a position of the sleeve facing the main rod is provided with an elastic block, the elastic block and the sleeve A second elastic member is arranged in between, and when the supporting leg is folded, the elastic block abuts against the main rod.
  • the sleeve is provided on the top of the supporting leg, one end of the sleeve is connected with the supporting leg, and the other end is hinged with the fixing base.
  • the locking seat is provided with an elastic block movably facing the position of the foot, and a second elastic member is arranged between the elastic block and the locking seat.
  • the elastic block is arranged. The block abuts against the supporting leg.
  • the tripod can usually be folded or folded when not in use.
  • a locking mechanism is provided on the main pole of the tripod.
  • the foot assembly When the foot assembly is folded, the foot assembly is just connected to the locking mechanism, so that the foot assembly is locked and fixed on the locking mechanism.
  • the linkage rod controls the tripod folding process, the three feet are folded synchronously. You only need to lock at least one foot assembly to automatically lock the three foot assemblies at the same time to prevent accidental opening of the feet assembly. Simple and stable.
  • Fig. 1 is a schematic diagram of a tripod deployed according to an embodiment of the present invention.
  • Fig. 2 is a schematic view of a tripod folded according to an embodiment of the present invention.
  • Fig. 3 is a schematic diagram of a locking structure of an embodiment of the present invention.
  • Fig. 4 is a schematic cross-sectional view of a locking structure according to an embodiment of the present invention.
  • Fig. 5 is a schematic cross-sectional view showing the cooperation of the supporting leg and the locking structure according to an embodiment of the present invention.
  • Fig. 6 is a schematic diagram of a leg assembly according to an embodiment of the present invention.
  • Fig. 7 is an exploded schematic view of a leg assembly according to an embodiment of the present invention.
  • Fig. 8 is a schematic cross-sectional view of a leg assembly according to an embodiment of the present invention.
  • Fig. 9 is a schematic diagram of an embodiment of the present invention after the feet are ejected.
  • 100 fixed seat; 200, foot assembly; 300, main rod; 400, linkage rod; 500, locking mechanism; 510, locking seat, 520, movable block, 521, lock bolt, 530, unlocking button, 210 , Support foot; 211, keyhole; 220, sleeve; 221, elastic block; 522, boss; 540, first elastic member; 222, second elastic member; 511, stepped groove; 511a, first stepped surface; 511b , The second step surface.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating relative importance or implicitly indicating the number of technical features indicated. Therefore, unless otherwise specified, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features; “plurality” means two or more than two.
  • the term “comprising” and any variations thereof means non-exclusive inclusion, the possibility of the presence or addition of one or more other features, integers, steps, operations, units, components, and/or combinations thereof.
  • the terms “installed”, “connected”, and “connected” should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection , It can also be electrical connection; it can be directly connected, it can also be indirectly connected through an intermediate medium, or the internal connection of two components.
  • installed should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection , It can also be electrical connection; it can be directly connected, it can also be indirectly connected through an intermediate medium, or the internal connection of two components.
  • the embodiment of the present invention discloses a tripod, including a fixing seat 100;
  • the position of the fixing seat 100 on the main pole 300 can be adjusted by sliding on the main pole 300, and the main pole 300 can be set as a telescopic pole, the length of which can be adjusted, and the length can be adjusted according to the needs of use;
  • 100 is hinged to support the three leg assemblies 200 of the fixing seat 100;
  • a linkage rod 400 one end of the linkage rod 400 is hinged to the leg assembly 200, and the other end is hinged to the main rod 300, the linkage rod 400
  • the folding and opening and closing synchronization of the foot assembly 200 is realized, and the locking mechanism 500 connected to the main rod 300 is realized.
  • the foot assembly 200 is connected to the locking mechanism 500, and the locking The mechanism 500 is used to lock and fix at least one of the leg assemblies 200 and the locking mechanism 500.
  • the tripod can usually be folded or folded when not in use.
  • a locking mechanism 500 is provided on the tripod main pole 300.
  • the foot assembly 200 is just connected to the locking mechanism 500, so that the foot assembly 200 is locked. It is fixed on the locking mechanism 500, and the linkage rod 400 is in the process of controlling the folding of the tripod, and the three leg assemblies 200 are folded synchronously. Only by locking at least one leg assembly 200, the three leg assemblies 200 can be adjusted at the same time. It is automatically locked to prevent accidental opening of the foot assembly 200, with a simple structure and good stability.
  • the locking mechanism 500 includes a locking seat 510 and a movable block 520 arranged inside the locking seat 510.
  • the top of the movable block 520 is provided with The lock bolt 521 is vertically upward.
  • the lock bolt 521 is cylindrical.
  • the upper surface of the locking seat 510 is provided with a hole for the locking bolt 521 to pass through.
  • a first elastic member 540 Protruding or hidden on the upper surface of the locking seat 510, on the bottom of the movable block 520 on the other side of the lock bolt 521, a first elastic member 540 abutting on the movable block 520 is provided ,
  • the first elastic member 540 is a spring
  • the leg assembly 200 includes a leg 210.
  • the bottom of the leg 210 is provided with a lock hole 211 that cooperates with the lock bolt 521.
  • the shape of the lock hole 211 is the same as that of the The shape of the lock bolt 521 is matched.
  • the surface of the lock bolt 521 is an outer convex arc surface
  • the inner surface of the lock hole 211 is correspondingly provided with an inner concave arc surface, which is convenient for the lock bolt 521 to cooperate with the lock hole 211 , Does not cause scratches on the surface.
  • the bottom of the leg 210 corresponds to the periphery of the lock hole 211 is also curved.
  • the leg 210 moves to the lock pin 521 position by pressing the lock pin 521 from the side, and the leg 210
  • the transitional extrusion surfaces with the lock bolt 521 are all curved surfaces, so that the supporting leg 210 can enter the upper side of the lock bolt 521 more smoothly.
  • the locking seat 510 is provided with a stepped groove 511, the stepped groove 511 includes a first stepped surface 511a and a second stepped surface 511b, the first stepped surface 511a is higher than the second stepped surface 511b
  • the linkage rod 400 is hinged to the stepped groove 511 and is located on the first stepped surface 511a, and the lock bolt 521 is located on the second stepped surface 511b; after the feet 210 are opened to closed, the linkage rod 400 Tuck up with the feet 210 at the same time without interfering with each other.
  • the feet 210 After the feet 210 reach the second step surface 511b, they will abut against the side of the first step surface 511a, and have a limiting effect on the feet 210, so that the feet 210 will not continue to be retracted inward. ,Accurately snap into the lock bolt 521.
  • the movable block 520 is elongated, and a boss 522 is provided at the middle position of the movable block 520.
  • the boss 522 and the lock Under the action of the spring, the position of the movable block 520 corresponding to the locking bolt 521 always keeps abutting against the locking seat 510.
  • the locking bolt 521 protrudes from the locking seat 510, and the locking mechanism 500 further includes an unlocking button 530, the lock bolt 521 and the unlocking button 530 are respectively located at both ends of the boss 522, the unlocking button 530 abuts against the movable block 520 away from the lock bolt 521 At the bottom, when pressure is applied to the unlocking button 530, the unlocking button 530 squeezes the movable block 520 upward to make it rise. The movable block 520 rotates around the contact point between the boss 522 and the locking block, and the end corresponding to the lock bolt 521 drops accordingly. , The lock bolt 521 is separated from the lock hole 211 at the bottom of the leg 210 to unlock the leg 210. After the leg 210 is moved out and opened, the lock bolt 521 is reset due to the force of the spring.
  • the movable block 520 is provided with three, respectively corresponding to the positions of the three supporting legs 210 are provided in the locking seat 510, and each movable block 520 corresponds to a supporting leg 210 respectively, so that the three supporting legs 210 are respectively restricted.
  • the unlocking button 530 is located in the center of the locking seat 510, the unlocking button 530 abuts on the three movable blocks 520 at the same time, only need to press one unlocking button 530 to unlock the three legs 210 at the same time ,Convenient.
  • the locking seat 510 is provided at the bottom of the main rod 300
  • the unlocking button 530 is provided at the bottom of the locking seat 510 and protruding from the locking seat 510;
  • the unlocking button 530 is provided At the bottom end of the main pole 300, in actual use, the folded tripod is placed on the ground so that the unlocking button 530 of the locking seat 510 is in contact with the ground. At this time, the tripod is pressed down, and the ground presses the unlocking button 530 to The unlocking operation of each support foot 210 is realized without manual unlocking manually.
  • the leg assembly 200 further includes a sleeve 220, which is hollow inside and is sleeved on the leg 210, and the sleeve 220 faces the
  • the position of the main rod 300 is provided with an elastic block 221, and a second elastic member 222 is arranged between the elastic block 221 and the sleeve 220.
  • the second elastic member 222 is a spring.
  • the height of the elastic block 221 is greater than the distance between the supporting leg 210 and the main pole 300, the elastic block 221 abuts on the main pole 300, the supporting leg 210 is locked behind the lock bolt 521, and the elastic block 221 abuts Hold the main rod 300, the elastic block 221 is squeezed and moved back.
  • each foot 210 pops out at a certain angle to make Each foot 210 is automatically separated from the locking seat 510.
  • the fixed seat 100 can be continuously pressed down, and the fixed seat 100 slides down along the main rod 300.
  • each foot 210 is linked to open a predetermined angle.
  • the sleeve 220 is arranged on the top of the leg 210, one end of the sleeve 220 is connected to the leg 210, and the other end is hinged to the fixing seat 100 ,
  • the elastic block 221 is close to the hinge joint between the supporting leg 210 and the fixing seat 100.
  • the force arm is shorter. A little angle can make the lower end of the supporting leg 210 have a larger displacement, so as to facilitate the leg 210 to move from The locking seat 510 pops up.
  • the difference from the above embodiments is that the locking seat 510 is movably provided with an elastic block 221 facing the position of the supporting leg 210, and the elastic block 221 is different from the locking seat 510.
  • a second elastic member 222 is provided between the second elastic member 222, which is a spring. When the supporting leg 210 is folded, the height of the elastic block 221 is greater than the distance between the supporting leg 210 and the locking seat 510. 221 abuts against the supporting leg 210.

Landscapes

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

Abstract

Trépied comprenant : une base de fixation (100) ; une tige principale (300) raccordée de façon mobile à la base de fixation (100) ; trois ensembles pieds de support (200) articulés sur la base de fixation (100) et utilisés pour supporter la base de fixation (100) ; des tiges de liaison (400), une extrémité de chaque tige de liaison (400) étant articulée sur l'ensemble pied de support (200), et l'autre extrémité de chaque tige de liaison étant articulée sur la tige principale (300) ; et un mécanisme de verrouillage (500) raccordé à la tige principale (300) ; lorsque le trépied est plié, les ensembles pieds de support (200) sont raccordés au mécanisme de verrouillage (500), et le mécanisme de verrouillage (500) est utilisé pour verrouiller et fixer au moins un ensemble pied de support (200) sur le mécanisme de verrouillage (500) ; et une fois que le trépied est plié, les ensembles pieds de support (200) sont automatiquement verrouillés.
PCT/CN2021/098653 2020-06-10 2021-06-07 Trépied WO2021249348A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202021059296.1 2020-06-10
CN202021059296.1U CN212617357U (zh) 2020-06-10 2020-06-10 一种三脚架

Publications (1)

Publication Number Publication Date
WO2021249348A1 true WO2021249348A1 (fr) 2021-12-16

Family

ID=74714420

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/098653 WO2021249348A1 (fr) 2020-06-10 2021-06-07 Trépied

Country Status (2)

Country Link
CN (1) CN212617357U (fr)
WO (1) WO2021249348A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN212617357U (zh) * 2020-06-10 2021-02-26 源德盛塑胶电子（深圳）有限公司 一种三脚架

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101382231A (zh) * 2007-09-07 2009-03-11 照相机动力有限责任公司 支架的扩张器及包括该扩张器和三脚架的装置
CN102422218A (zh) * 2009-06-01 2012-04-18 伟如宝株式会社 支脚装置
CN203549316U (zh) * 2013-09-29 2014-04-16 中山市云腾摄影器材有限公司 一种三脚架
CN203757313U (zh) * 2014-01-22 2014-08-06 鳄鱼箱包公司 多腿的支架和能够调整高度的支架
US20180080601A1 (en) * 2016-09-16 2018-03-22 Denny Manufacturing Company, Inc. Stand selectively usable as a monopod or a tripod
CN212617357U (zh) * 2020-06-10 2021-02-26 源德盛塑胶电子（深圳）有限公司 一种三脚架

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101382231A (zh) * 2007-09-07 2009-03-11 照相机动力有限责任公司 支架的扩张器及包括该扩张器和三脚架的装置
CN102422218A (zh) * 2009-06-01 2012-04-18 伟如宝株式会社 支脚装置
CN203549316U (zh) * 2013-09-29 2014-04-16 中山市云腾摄影器材有限公司 一种三脚架
CN203757313U (zh) * 2014-01-22 2014-08-06 鳄鱼箱包公司 多腿的支架和能够调整高度的支架
US20180080601A1 (en) * 2016-09-16 2018-03-22 Denny Manufacturing Company, Inc. Stand selectively usable as a monopod or a tripod
CN212617357U (zh) * 2020-06-10 2021-02-26 源德盛塑胶电子（深圳）有限公司 一种三脚架

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