CN109404705B - Adjustable internal stay formula camera bears support body is ally oneself with to single handle doublestage - Google Patents

Adjustable internal stay formula camera bears support body is ally oneself with to single handle doublestage Download PDF

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Publication number
CN109404705B
CN109404705B CN201811569132.0A CN201811569132A CN109404705B CN 109404705 B CN109404705 B CN 109404705B CN 201811569132 A CN201811569132 A CN 201811569132A CN 109404705 B CN109404705 B CN 109404705B
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China
Prior art keywords
frame
sliding
groove
hole
rod
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CN201811569132.0A
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CN109404705A (en
Inventor
何圣斌
曹维平
张明波
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Tianjin Botaitianyu Technology Development Co ltd
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Tianjin Botaitianyu Technology Development Co ltd
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    • 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
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/04—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or holding steady relative to, a person, e.g. by chains, e.g. rifle butt or pistol grip supports, supports attached to the chest or head
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention belongs to the technical field of camera bearing equipment, in particular to a bearing frame body of a single-pull-handle two-stage joint control adjustable internal-supporting type camera, which comprises a fixing piece, the fixing piece comprises a fork frame, a fixing support rod and a sliding frame, a base is arranged above the fork frame, the middle part of the plane of the base is a conical surface, three shaft fixing seats are arranged on the side surface, the outer surface of each shaft fixing seat is arc-shaped, a shaft mounting groove is arranged in the arc, a fixed connecting shaft is arranged in the shaft mounting groove, two ends of the fixed connecting shaft are respectively connected with lugs on two sides of the top end of the fork frame, a bowl-shaped bracket is arranged at the bottom of the center of the base, a round hole is arranged at the center of the bracket, lightening holes are uniformly distributed on the periphery of the round hole, the fixed support rods are arranged in parallel, the bottom ends of the two fixed support rods are provided with the sliding frame, and the top ends of the two fixed support rods are provided with the fork frame.

Description

Adjustable internal stay formula camera bears support body is ally oneself with to single handle doublestage
Technical Field
The invention belongs to the technical field of camera shooting bearing equipment, and particularly relates to a single-wrench-handle two-stage joint-control adjustable internal-support type camera bearing frame body.
Background
The camera bearing frame body is mainly used for supporting a camera and is located below the camera, the camera bearing frame body applied to actual application at present is various in types, but the structure is simple, operation is complex, and implementation effect is not ideal.
Disclosure of Invention
The invention provides a single-wrench-handle two-stage joint-control adjustable internal-support type camera bearing frame body, which aims to solve the problems of simple structure and complex operation in the background technology.
The technical problem solved by the invention is realized by adopting the following technical scheme:
a single-wrench-handle two-stage combined control adjustable internally-supported camera bearing frame body comprises a fixing piece, wherein the fixing piece comprises a fork frame, a fixing support rod and a sliding frame, a base is arranged above the fork frame, the middle part of the plane of the base is a conical surface, three shaft fixing seats are arranged on the side surface of the base, the outer surfaces of the three shaft fixing seats are arc-shaped, shaft mounting grooves are formed in the arc-shaped inner parts of the three shaft fixing seats, fixing connecting shafts are mounted in the three shaft mounting grooves, two ends of each fixing connecting shaft are respectively connected with lugs on two sides of the top end of the fork frame, a bowl-shaped bracket is arranged at the bottom of the center of the base, a round hole is formed in the center;
the two fixed support rods are connected with the fork frame and arranged in parallel, the bottom ends of the two fixed support rods are provided with the sliding frame, the top ends of the two fixed support rods are provided with the fork frame, and the fork frame further comprises a first sliding part and a second sliding part;
the first sliding part is arranged on the fixed supporting rod and can be locked or slid relative to the fixed supporting rod, the first sliding part comprises an upper locking mechanism, a lower locking mechanism and a locking control device, and the locking control device can control the upper locking mechanism to lock or unlock the fixed supporting rod;
the upper locking mechanism comprises an upper connecting frame, a locking plate, an eyelet bolt and an eccentric rod, wherein a guide positioning hole for a fixed supporting rod to pass through is formed in the upper connecting frame, the upper connecting frame is sleeved on the fixed supporting rod through the guide positioning hole, a locking plate mounting groove is formed in the back of the upper connecting frame, the locking plate mounting groove is communicated with the guide positioning hole at a groove edge, the locking plate is mounted in the locking plate mounting groove, an arc-shaped surface for clamping the fixed supporting rod is arranged on the locking plate, the fixed supporting rod is locked by the arc-shaped surface on the locking plate at the communication position of the locking plate mounting groove and the guide positioning hole, the side surface of the locking plate is connected with one end of the eyelet bolt, the other end of the eyelet bolt is sleeved on the eccentric rod, and the motion of the eccentric rod is transmitted by a locking control device;
the locking control device comprises a wrench handle and a wrench handle core, wherein the wrench handle core is provided with a core body seat, a swing shaft and an eccentric boss shaft, the swing shafts are arranged on two sides of the core body seat, the front of the upper connecting frame is provided with corresponding core body mounting grooves and swing shaft through grooves, the pendulum shaft is arranged in the pendulum shaft through groove, the core body seat is arranged in the core body installation groove, a pull handle for driving the core body seat to rotate is arranged on one side of the front surface of the core body seat, the core body seat is provided with four screw holes, the spanner is provided with corresponding screw mounting holes and is connected with the core body seat through screws, the screw is arranged in the screw mounting hole and the screw hole in a penetrating way, the core body seat rotates around the axial lead of the pendulum shaft, an eccentric rod groove is arranged on the swing shaft of the wrench handle core, an eccentric rod is arranged in the eccentric rod groove, the axis of the eccentric rod deviates from the axis of the pendulum shaft, and the eccentric rotation of the eccentric rod can enable the swing bolt to do linear push-pull motion;
the locking control device can control the lower locking mechanism to tighten and loosen the second sliding part, eccentric boss shafts are arranged on two sides of a swing shaft of the wrench core, the axis of the eccentric boss shafts deviates from the axis of the swing shaft of the wrench core, the eccentric boss shafts are connected with the lower locking mechanism, the lower locking mechanism is driven by the eccentric rotation of the swing shaft to tighten and separate the second sliding part, the lower locking mechanism comprises an outer side pipe, a secondary locking pipe, a tensioning rod, a connecting rod, an expansion sleeve, an expansion cone, a lower connecting frame and an upper pulling block, the upper end of the connecting rod is rotatably sleeved on the eccentric boss shafts, the bottom end of the connecting rod is hinged with the upper pulling block, the upper pulling block is in threaded connection with the upper end of the tensioning rod, the bottom end of the tensioning rod penetrates through a sliding frame and is installed in the lower connecting frame, the expansion cone is installed at the bottom end of the tensioning rod, the secondary locking pipe is installed outside the tensioning rod, the upper end of the secondary lock pipe is connected with the upper connecting frame, the bottom end of the secondary lock pipe is provided with an expansion sleeve, an expansion cone is arranged in the expansion sleeve and is driven by a tension rod to move up and down, so that the expansion sleeve is returned or unfolded, the outer side of the secondary lock pipe is provided with an outer side pipe, the upper end of the outer side pipe is connected with the upper connecting frame, and the bottom end of the outer side pipe penetrates through the sliding frame to be connected with the lower connecting frame;
the second sliding part comprises an inner tube and a support leg, the inner tube is arranged between the secondary locking tube and the outer tube and can axially slide, the bottom end of the inner tube sequentially penetrates through the sliding frame and the lower connecting frame to be connected with the support leg, the inner wall of the inner tube is tightly attached to the outer side face of the expansion sleeve, and the expansion sleeve locks the inner tube by using friction force;
be equipped with magnetism on the mounting and bump the locking device, magnetism bumps the locking device and includes first balladeur train, second balladeur train, third balladeur train, magnetic path, protective cover, be equipped with first constant head tank, second constant head tank on the first balladeur train, two fixed support rods are located first constant head tank, second constant head tank respectively, first balladeur train, second balladeur train, third balladeur train are two liang through the magnetic path actuation and dock, be equipped with the recess on the interface of first balladeur train and second balladeur train, be equipped with the recess on the interface of first balladeur train and third balladeur train equally, install the magnetic path in the recess, the recess bottom surface is equipped with magnetic path male opening, the protective cover is installed to the magnetic path bottom surface, the protective cover is installed at the opening part and is used for holding the magnetic path, be equipped with spout one, spout two on relative two sides wherein, both sides of spout one and spout two, a sliding strip corresponding to the first sliding groove is arranged on the inner side wall of the groove, the sliding strip is installed in the first sliding groove, a guide strip is arranged on the other inner side wall of the groove, the guide strip comprises a guide part and an inner concave part, the guide part is positioned in front of the inner concave part, and the guide part is arranged in the second sliding groove;
the structure of the second sliding frame is the same as that of the first sliding frame, grooves for mounting magnetic blocks are also formed in the abutting surfaces of the second sliding frame, the first sliding frame and the third sliding frame, and the mounting mode of the magnetic blocks in the grooves in the abutting surfaces of the second sliding frame is completely the same as that of the first sliding frame;
the structure of the third sliding frame is the same as that of the first sliding frame, grooves for mounting magnetic blocks are also formed in the abutting surfaces of the third sliding frame, the first sliding frame and the second sliding frame, and the mounting mode of the magnetic blocks in the grooves in the abutting surfaces of the second sliding frame is completely the same as that of the first sliding frame.
The wrench handle comprises a connecting portion and a holding portion, the connecting portion is trapezoidal, the front face of the holding portion is rectangular, the cross section of the holding portion is arched, the holding portion is provided with a holding through groove, one side of the holding through groove is provided with a first side through hole, the other side of the holding through groove is provided with a second side through hole, and a first upper through hole and a second upper through hole are formed in the upper portion of the holding through groove.
The first side through hole and the second side through hole are arranged in an axisymmetric manner, and the first upper through hole and the second upper through hole are arranged in an axisymmetric manner.
The hand-held through groove is trapezoidal, the first side through hole and the second side through hole are triangular, and the first upper through hole and the second upper through hole are in a drop shape.
The invention has the beneficial effects that:
the invention 1 is that a single wrench can control the locking plate in the upper locking mechanism to lock and release the fixed rod, thereby controlling whether the first sliding part is in a movable state; meanwhile, the single wrench handle can also control the up-and-down movement of the expansion cone through the connecting rod and the tension rod in the lower locking mechanism, so that the expansion cone applies or cancels expansion force to the expansion sleeve, the expansion sleeve is unfolded or returned, the inner tube is locked by utilizing the friction force between the expansion sleeve and the inner tube, and whether the second sliding part is in a movable state or not is controlled, the simultaneous locking and releasing of the first sliding part and the second sliding part can be controlled by one wrench handle, and the using effect is achieved.
2 the adjustable function of the invention is to realize the adjustment of the locking force by adjusting the relative position between the expansion cone and the expansion sleeve, the distance between the expansion cone and the pull-up block can be increased by rotating the expansion cone, and the clearance between the expansion cone and the expansion sleeve can be increased and decreased, thereby realizing the reduction and increase of the locking force.
2 the first sliding frame, the second sliding frame and the third sliding frame are mutually attracted and butted through the magnetic blocks in pairs, when the photographing bracket is folded, the first sliding frame, the second sliding frame and the third sliding frame are automatically attracted through the magnetic blocks, and when the photographing bracket is used, the first sliding frame, the second sliding frame and the third sliding frame are outwards pulled, so that the first sliding frame, the second sliding frame and the third sliding frame are separated by overcoming the magnetic force.
3 the base of the invention has a triangular section, stable structure and arc-shaped edge, can be conveniently carried on the shoulder of a user, conforms to the morphological characteristics of human body, enhances the comfort level and has ideal implementation effect.
The spanner handle is novel in design, safe and reliable in structure and convenient to operate, the bottom of the spanner handle is designed to be arched, the spanner handle can be conveniently used by hands, and the through grooves and the through holes in the spanner handle are convenient to grasp by fingers, so that the operation is more comfortable.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is an enlarged view of the invention at a in fig. 2.
Fig. 4 is an enlarged view of the invention at B in fig. 2.
Fig. 5 is a schematic view of the fixing member of the present invention.
FIG. 6 is a schematic view of a first sliding member according to the present invention.
FIG. 7 is a schematic view of a second slider according to the present invention.
Fig. 8 is a schematic view of an upper locking mechanism of the present invention.
Fig. 9 is a top cross-sectional view of the upper locking mechanism of the present invention.
FIG. 10 is a schematic view of the upper locking mechanism with the trigger core installed in accordance with the present invention.
Fig. 11 is a schematic view of an upper link according to the present invention.
FIG. 12 is another angle view of the upper connecting frame of the present invention
Fig. 13 is a schematic view of a locking plate of the present invention.
FIG. 14 is a schematic view of a trigger core of the present invention.
FIG. 15 is a perspective view of the connection between the grip core and the locking plate according to the present invention.
FIG. 16 is a top view of the connection between the wrench core and the locking plate according to the present invention.
Fig. 17 is a perspective view of the locking control device of the present invention.
Fig. 18 is a side schematic view of the locking control device of the present invention.
FIG. 19 is a cross-sectional view of the lower locking mechanism of the present invention.
FIG. 20 is an enlarged view at C of FIG. 19 according to the present invention.
FIG. 21 is an enlarged view taken at D of FIG. 19 according to the present invention.
FIG. 22 is a schematic view showing the connection between the trigger core and the connecting rod according to the present invention.
FIG. 23 is a perspective view of the magnetic latching device of the present invention.
FIG. 24 is a top cross-sectional view of the magnetic latching device of the present invention.
Fig. 25 is a schematic view of a first carriage with a magnet and a protective cover mounted thereon according to the present invention.
Fig. 26 is a bottom view of the first carriage of the present invention.
Fig. 27 is a perspective view of the first carriage of the present invention.
FIG. 28 is an enlarged view of the invention at A.
FIG. 29 is a schematic diagram of a magnetic block of the present invention.
Fig. 30 is a schematic view of a protective cover of the present invention.
FIG. 31 is a schematic view showing the magnetic latching device of the present invention mounted on a camera stand.
FIG. 32 is a schematic view of the structure of the wrench handle of the present invention.
In the figure: a fixing piece-1;
the fork frame-1-1, the fixed support rod-1-2, the sliding frame-1-3, the base-1-4, the shaft fixing seat-1-5, the bracket-1-6, the round hole-1-7, the lightening hole-1-8 and the fixed connecting shaft 1-9;
a first slide member-2;
the device comprises an upper locking mechanism-2-1, an upper connecting frame-2-11, guide positioning holes-2-111, a locking plate mounting groove-2-112, a core body mounting groove-2-113, a swing shaft through groove-2-114, a locking plate-2-12, an arc surface-2-121, an eyelet bolt-2-13 and an eccentric rod-2-14;
the device comprises a lower locking mechanism-2-2, an outer side pipe-2-21, a secondary locking pipe-2-22, a tension rod-2-23, a connecting rod-2-24, an expansion sleeve-2-25, an expansion cone-2-26, a lower connecting frame-2-27 and an upper pulling block-2-28;
the locking control device-2-3, the wrench handle-2-31, the wrench handle core-2-32, the core body seat-2-321, the swing shaft-2-322, the eccentric rod groove-2-3221, the eccentric boss shaft-2-3222, the screw mounting hole-2-33 and the screw hole-2-34;
a second sliding part-3, an inner tube-3-1 and a support leg-3-2;
a spring-4;
the device comprises a first sliding frame-5, a second sliding frame-6, a third sliding frame-7, a magnetic block-8, a first sliding groove-9, a second sliding groove-10, a suction part-11, a clamping strip part-12, a groove-13, an opening-14, a protective cover-15, a sliding strip-16, a guide strip-17, a guide part-91 and an inward concave part-92.
20-connecting part, 21-holding part, 22-holding through groove, 23-first side through hole, 24-second side through hole, 25-first upper through hole and 26-second upper through hole.
Detailed Description
A single-wrench-handle two-stage combined control adjustable internally-supported camera bearing frame body comprises a fixing piece 1, wherein the fixing piece 1 comprises a fork frame 1-1, a fixing support rod 1-2 and a sliding frame 1-3, a base 1-4 is arranged above the fork frame 1-1, the middle part of the plane of the base 1-4 is a conical surface, three shaft fixing seats 1-5 are arranged on the side surface, the outer surfaces of the three shaft fixing seats 1-5 are arc-shaped, shaft mounting grooves are formed in the arc-shaped inner parts of the three shaft fixing seats, fixing connecting shafts 1-9 are mounted in the three shaft mounting grooves, two ends of the three fixing connecting shafts 1-9 are respectively connected with lugs on two sides of the top end of the fork frame 1-1, a bowl-shaped bracket 1-6 is arranged at the bottom of the center of the base 1-4, a round hole, lightening holes 1-8 are uniformly distributed on the periphery of the round holes 1-7;
the two fixed support rods 1-2 connected with the fork frame are arranged in parallel, the bottom ends of the two fixed support rods 1-2 are provided with the sliding frame 1-3, the top ends of the two fixed support rods 1-2 are provided with the fork frame 1-1, and the fork frame further comprises a first sliding part 2 and a second sliding part 3;
the first sliding part 2 is arranged on the fixed supporting rod 1-2 and can be locked or slid relative to the fixed supporting rod 1-2, the first sliding part 2 comprises an upper locking mechanism 2-1, a lower locking mechanism 2-2 and a locking control device 2-3, and the locking control device 2-3 can control the upper locking mechanism 2-1 to lock or unlock the fixed supporting rod 1-2;
the upper locking mechanism 2-1 comprises an upper connecting frame 2-11, a locking plate 2-12, an eyelet bolt 2-13 and an eccentric rod 2-14, wherein the upper connecting frame 2-11 is provided with a guide positioning hole 2-111 for the fixed supporting rod 1-2 to pass through, the upper connecting frame 2-11 is sleeved on the fixed supporting rod 1-2 through the guide positioning hole 2-111, a locking plate mounting groove 2-112 is arranged behind the upper connecting frame 2-11, the locking plate mounting groove 2-112 is communicated with the guide positioning hole 2-111 at the groove edge, the locking plate 2-12 is mounted in the locking plate mounting groove 2-112, the locking plate 2-12 is provided with an arc surface 2-121 for clamping the fixed supporting rod 1-2, and the arc surface 2-121 on the locking plate 2-12 is fixedly arranged at the communication part of the locking plate mounting groove 2-112 and the guide positioning hole 2-111 The fixed support rod 1-2 is locked, the side surface of the locking plate 2-12 is connected with one end of an eyelet bolt 2-13, the other end of the eyelet bolt 2-13 is sleeved on an eccentric rod 2-14, and the motion of the eccentric rod 2-14 is transmitted by a locking control device 2-3;
the locking control device 2-3 comprises a wrench handle 2-31 and a wrench handle core 2-32, the wrench handle core 2-32 is provided with a core body seat 2-321, a swing shaft 2-322 and an eccentric boss shaft 2-3222, the swing shaft 2-322 is arranged at two sides of the core body seat 2-321, the front side of an upper connecting frame 2-11 is provided with a corresponding core body mounting groove 2-113 and a swing shaft through groove 2-114, the swing shaft 2-322 is arranged in the swing shaft through groove 2-114, the core body seat 2-321 is arranged in the core body mounting groove 2-113, one side of the front side of the core body seat 2-321 is provided with a wrench handle 2-31 driving the core body seat to rotate, the core body seat 2-321 is provided with four screw holes 2-34, the wrench handle 2-31 is provided with corresponding screw mounting holes 2-33, the wrench handle 2-31 is connected with the core body seat 2-321 through, the screw is arranged in the screw mounting hole 2-33 and the screw hole 2-34 in a penetrating way, the core body seat 2-321 rotates around the axial lead of the swing shaft 2-322, the swing shaft 2-322 of the wrench handle core 2-32 is provided with an eccentric rod groove 2-3221, an eccentric rod 2-14 is arranged in the eccentric rod groove 2-3221, the axial line of the eccentric rod 2-14 deviates from the axial line of the swing shaft 2-322, and the eccentric rotation of the eccentric rod 2-14 can enable the swing bolt 2-13 to do linear push-pull motion;
the locking control device 2-3 can control the lower locking mechanism 2-2 to tighten and loosen the second sliding part 3, the eccentric boss shafts 2-3222 are arranged on two sides of the swing shaft 2-322 of the wrench handle core 2-32, the axes of the eccentric boss shafts 2-3222 are deviated from the axes of the swing shaft 2-322 of the wrench handle core 2-32, the eccentric boss shafts 2-3222 are connected with the lower locking mechanism 2-2, the lower locking mechanism 2-2 performs tightening and separation on the second sliding part 3 under the driving of the eccentric rotation of the swing shaft 2-322, and the lower locking mechanism 2-2 comprises an outer pipe 2-21, a secondary locking pipe 2-22, a tightening rod 2-23, a connecting rod 2-24, an expansion sleeve 2-25, an expansion cone 2-26 and a lower connecting frame 2-27, An upper pull block 2-28, the upper end of a connecting rod 2-24 is rotatably sleeved on an eccentric boss shaft 2-3222, the bottom end of the connecting rod 2-24 is hinged with the upper pull block 2-28, the upper pull block 2-28 is in threaded connection with the upper end of a tension rod 2-23, the bottom end of the tension rod 2-23 passes through a sliding frame 1-3 and is arranged in a lower connecting frame 2-27, the bottom end of the tension rod 2-23 is provided with an expansion cone 2-26, the outer side of the tension rod 2-23 is provided with a secondary lock tube 2-22, the upper end of the secondary lock tube 2-22 is connected with an upper connecting frame 2-11, the bottom end of the secondary lock tube 2-22 is provided with an expansion sleeve 2-25, the expansion cone 2-26 is arranged in the expansion sleeve 2-25, and the expansion cone 2-26 is driven by the tension, thereby enabling the expansion sleeve 2-25 to return or be expanded, the outer side of the secondary locking pipe 2-22 is provided with an outer side pipe 2-21, the upper end of the outer side pipe 2-21 is connected with the upper connecting frame 2-11, and the bottom end of the outer side pipe 2-21 penetrates through the sliding frame 1-3 to be connected with the lower connecting frame 2-27;
the second sliding part 3 comprises an inner tube 3-1 and support legs 3-2, the inner tube 3-1 is arranged between the secondary locking tube 2-22 and the outer side tube 2-21, the inner tube 3-1 can axially slide, the bottom end of the inner tube 3-1 sequentially penetrates through the sliding frame 1-3 and the lower connecting frame 2-27 to be connected with the support legs 3-2, the inner wall of the inner tube 3-1 is tightly attached to the outer side face of the expansion sleeve 2-25, and the expansion sleeve 2-25 locks the inner tube 3-1 by using friction force;
the fixing piece 1 is provided with a magnetic touch lock device, the magnetic touch lock device comprises a first sliding frame 5, a second sliding frame 6, a third sliding frame 7, a magnetic block 8 and a protective cover 15, the first sliding frame 5 is provided with a first positioning groove and a second positioning groove, two fixing support rods 1-2 are respectively positioned in the first positioning groove and the second positioning groove, the first sliding frame 5, the second sliding frame 6 and the third sliding frame 7 are butted by attracting through a magnetic block 8, a groove 13 is arranged on the butt joint face of the first sliding frame 5 and the second sliding frame 6, a groove 13 is also arranged on the butt joint face of the first sliding frame 5 and the third sliding frame 7, the magnetic block 8 is arranged in the groove 13, an opening 14 into which the magnetic block 8 is inserted is arranged on the bottom face of the groove 13, the protective cover 15 is arranged on the opening and used for supporting the magnetic block 8, a first sliding groove 9 and a second sliding groove 10 are respectively arranged, two sides of the first sliding groove 9 and the second sliding groove 10 are provided with a suction portion 11 and a clamping strip portion 12 of the magnetic block 8, a sliding strip 16 corresponding to the first sliding groove 9 is arranged on the inner side wall of the groove 13, the sliding strip 16 is installed in the first sliding groove 9, a guide strip 17 is arranged on the other inner side wall of the groove 13, the guide strip 17 comprises a guide portion 91 and an inner concave portion 92, the guide portion 91 is located in front of the inner concave portion 92, and the guide portion 91 is arranged in the second sliding groove 10;
the structure of the second sliding frame 6 is the same as that of the first sliding frame 5, grooves for mounting magnetic blocks are also formed in the abutting surfaces of the second sliding frame 6, the first sliding frame 5 and the third sliding frame 7, and the mounting mode of the magnetic blocks in the grooves in the abutting surfaces of the second sliding frame is completely the same as that of the first sliding frame;
the structure of the third sliding frame 7 is the same as that of the first sliding frame 5, the abutting surfaces of the third sliding frame 7, the first sliding frame 5 and the second sliding frame 6 are also provided with grooves for mounting magnetic blocks, and the mounting mode of the magnetic blocks in the grooves on the abutting surfaces of the second sliding frame is completely the same as that of the first sliding frame.
The wrench handles 2-31 comprise a connecting part 20 and a holding part 21, wherein the connecting part 20 is trapezoidal, the front surface of the holding part 21 is rectangular and has an arched cross section, the holding part 21 is provided with a holding through groove 22, one side of the holding through groove 22 is provided with a first side through hole 23, the other side of the holding through groove 22 is provided with a second side through hole 24, and a first upper through hole 25 and a second upper through hole 26 are arranged above the holding through groove 22.
The first side through hole 23 and the second side through hole 24 are arranged in axial symmetry, and the first upper through hole 25 and the second upper through hole 26 are arranged in axial symmetry.
The hand-held through groove 22 is trapezoidal, the first side through hole 23 and the second side through hole 24 are triangular, and the first upper through hole 25 and the second upper through hole 26 are drop-shaped.
Although the embodiments of the present invention have been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the invention, and all equivalent changes and modifications made within the scope of the present invention should be covered by the claims of the present invention.

Claims (4)

1. The utility model provides an adjustable internal stay formula camera bears support body of single spanner doublestage allies oneself with accuse which characterized in that:
the fork type shaft fixing device comprises a fixing piece, wherein the fixing piece comprises a fork frame, a fixing support rod and a sliding frame, a base is arranged above the fork frame, the middle of the plane of the base is a conical molded surface, three shaft fixing seats are arranged on the side surface of the base, the outer surfaces of the three shaft fixing seats are arc-shaped, shaft mounting grooves are formed in the arc-shaped inner parts of the three shaft fixing seats, fixing connecting shafts are mounted in the three shaft mounting grooves, two ends of each fixing connecting shaft are respectively connected with lugs on two sides of the top end of the fork frame, a bowl-shaped bracket is arranged at the bottom of the center of the base, a round hole is formed;
the two fixed support rods are connected with the fork frame and arranged in parallel, the bottom ends of the two fixed support rods are provided with the sliding frame, the top ends of the two fixed support rods are provided with the fork frame, and the fork frame further comprises a first sliding part and a second sliding part;
the first sliding part is arranged on the fixed supporting rod and can be locked or slid relative to the fixed supporting rod, the first sliding part comprises an upper locking mechanism, a lower locking mechanism and a locking control device, and the locking control device can control the upper locking mechanism to lock or unlock the fixed supporting rod;
the upper locking mechanism comprises an upper connecting frame, a locking plate, an eyelet bolt and an eccentric rod, wherein a guide positioning hole for a fixed supporting rod to pass through is formed in the upper connecting frame, the upper connecting frame is sleeved on the fixed supporting rod through the guide positioning hole, a locking plate mounting groove is formed in the back of the upper connecting frame, the locking plate mounting groove is communicated with the guide positioning hole at a groove edge, the locking plate is mounted in the locking plate mounting groove, an arc-shaped surface for clamping the fixed supporting rod is arranged on the locking plate, the fixed supporting rod is locked by the arc-shaped surface on the locking plate at the communication position of the locking plate mounting groove and the guide positioning hole, the side surface of the locking plate is connected with one end of the eyelet bolt, the other end of the eyelet bolt is sleeved on the eccentric rod, and the motion of the eccentric rod is transmitted by a locking control device;
the locking control device comprises a wrench handle and a wrench handle core, wherein the wrench handle core is provided with a core body seat, a swing shaft and an eccentric boss shaft, the swing shafts are arranged on two sides of the core body seat, the front of the upper connecting frame is provided with corresponding core body mounting grooves and swing shaft through grooves, the pendulum shaft is arranged in the pendulum shaft through groove, the core body seat is arranged in the core body installation groove, a pull handle for driving the core body seat to rotate is arranged on one side of the front surface of the core body seat, the core body seat is provided with four screw holes, the spanner is provided with corresponding screw mounting holes and is connected with the core body seat through screws, the screw is arranged in the screw mounting hole and the screw hole in a penetrating way, the core body seat rotates around the axial lead of the pendulum shaft, an eccentric rod groove is arranged on the swing shaft of the wrench handle core, an eccentric rod is arranged in the eccentric rod groove, the axis of the eccentric rod deviates from the axis of the pendulum shaft, and the eccentric rotation of the eccentric rod can enable the swing bolt to do linear push-pull motion;
the locking control device can control the lower locking mechanism to tighten and loosen the second sliding part, eccentric boss shafts are arranged on two sides of a swing shaft of the wrench core, the axis of the eccentric boss shafts deviates from the axis of the swing shaft of the wrench core, the eccentric boss shafts are connected with the lower locking mechanism, the lower locking mechanism is driven by the eccentric rotation of the swing shaft to tighten and separate the second sliding part, the lower locking mechanism comprises an outer side pipe, a secondary locking pipe, a tensioning rod, a connecting rod, an expansion sleeve, an expansion cone, a lower connecting frame and an upper pulling block, the upper end of the connecting rod is rotatably sleeved on the eccentric boss shafts, the bottom end of the connecting rod is hinged with the upper pulling block, the upper pulling block is in threaded connection with the upper end of the tensioning rod, the bottom end of the tensioning rod penetrates through a sliding frame and is installed in the lower connecting frame, the expansion cone is installed at the bottom end of the tensioning rod, the secondary locking pipe is installed outside the tensioning rod, the upper end of the secondary lock pipe is connected with the upper connecting frame, the bottom end of the secondary lock pipe is provided with an expansion sleeve, an expansion cone is arranged in the expansion sleeve and is driven by a tension rod to move up and down, so that the expansion sleeve is returned or unfolded, the outer side of the secondary lock pipe is provided with an outer side pipe, the upper end of the outer side pipe is connected with the upper connecting frame, and the bottom end of the outer side pipe penetrates through the sliding frame to be connected with the lower connecting frame;
the second sliding part comprises an inner tube and a support leg, the inner tube is arranged between the secondary locking tube and the outer tube and can axially slide, the bottom end of the inner tube sequentially penetrates through the sliding frame and the lower connecting frame to be connected with the support leg, the inner wall of the inner tube is tightly attached to the outer side face of the expansion sleeve, and the expansion sleeve locks the inner tube by using friction force;
be equipped with magnetism on the mounting and bump the locking device, magnetism bumps the locking device and includes first balladeur train, second balladeur train, third balladeur train, magnetic path, protective cover, be equipped with first constant head tank, second constant head tank on the first balladeur train, two fixed support rods are located first constant head tank, second constant head tank respectively, two liang of first balladeur train, second balladeur train, third balladeur train dock through the magnetic path actuation, be equipped with the recess on the butt joint face of first balladeur train and second balladeur train, be equipped with the recess on the butt joint face of first balladeur train and third balladeur train equally, install the magnetic path in the recess, the recess bottom surface is equipped with magnetic path male opening, the protective cover is installed to the magnetic path bottom surface, the protective cover is installed at the opening part and is used for holding the magnetic path, the magnetic path wherein is equipped with spout one, spout two on relative two sides respectively, a sliding strip corresponding to the first sliding groove is arranged on the inner side wall of the groove, the sliding strip is installed in the first sliding groove, and the other inner side wall of the groove
A guide strip is arranged on the sliding groove II, the guide strip comprises a guide part and an inner concave part, the guide part is positioned in front of the inner concave part, and the guide part is arranged in the sliding groove II;
the structure of the second sliding frame is the same as that of the first sliding frame, grooves for mounting magnetic blocks are also formed in the abutting surfaces of the second sliding frame, the first sliding frame and the third sliding frame, and the mounting mode of the magnetic blocks in the grooves in the abutting surfaces of the second sliding frame is completely the same as that of the first sliding frame;
the structure of the third sliding frame is the same as that of the first sliding frame, grooves for mounting magnetic blocks are also formed in the abutting surfaces of the third sliding frame, the first sliding frame and the second sliding frame, and the mounting mode of the magnetic blocks in the grooves in the abutting surfaces of the third sliding frame is completely the same as that of the first sliding frame.
2. The single-wrench-handle double-stage joint-control adjustable internally-supported camera bearing frame body of claim 1, which is characterized in that: the wrench handle comprises a connecting portion and a holding portion, the connecting portion is trapezoidal, the front face of the holding portion is rectangular, the cross section of the holding portion is arched, the holding portion is provided with a holding through groove, one side of the holding through groove is provided with a first side through hole, the other side of the holding through groove is provided with a second side through hole, and a first upper through hole and a second upper through hole are formed in the upper portion of the holding through groove.
3. The single-wrench-handle double-stage joint-control adjustable internally-supported camera bearing frame body of claim 2, which is characterized in that: the first side through hole and the second side through hole are symmetrically arranged, and the first upper through hole and the second upper through hole are symmetrically arranged.
4. The single-wrench-handle double-stage joint-control adjustable internally-supported camera bearing frame body of claim 3, which is characterized in that: the hand-held through groove is trapezoidal, the first side through hole and the second side through hole are triangular, and the first upper through hole and the second upper through hole are in a drop shape.
CN201811569132.0A 2018-12-21 2018-12-21 Adjustable internal stay formula camera bears support body is ally oneself with to single handle doublestage Active CN109404705B (en)

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Publication number Priority date Publication date Assignee Title
CN2935205Y (en) * 2006-06-30 2007-08-15 中山立信摄影器材有限公司 Camera tripod with legs expanded and contracted by rotation
CN100578068C (en) * 2008-09-18 2010-01-06 陆伟明 Three-segment integral telescopic tripod
CN202834634U (en) * 2012-09-07 2013-03-27 宁波意美捷影视设备有限公司 Improved type three-section integrated telescopic tripod
GB201509925D0 (en) * 2015-06-08 2015-07-22 Vitec Group Plc The A magnetic closure device
CN208185820U (en) * 2018-04-03 2018-12-04 天津市朋思吉影视设备科技有限公司 A kind of camera support with quick adjusting height function

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