CN208566081U - A kind of single handle twin-stage joint control Adjustable internal support formula locking device for camera support - Google Patents

Abstract

A kind of single handle twin-stage joint control Adjustable internal support formula locking device for camera support, including fixing piece, the fixing piece includes crotch, fixed link, balladeur train, the fixed link has two, the bottom end of two fixed links is equipped with balladeur train, it is characterised in that further includes the first sliding part, the second sliding part.The utility model handle can control the latch in retaining mechanism by the compression and release to fixed link, so that whether the first sliding part of control is in moves state;Simultaneously, handle can also control moving up and down for expansion cone by handle core, connecting rod, tie rod, to make expansion cone apply tension or revocation tension to expansion sleeve, expansion sleeve is set to strut or recycle therewith, inner tube is locked using the frictional force between expansion sleeve and inner tube, to which the second sliding part of control is in, whether removable state, which realizes a handle, can control the locking and release of the first sliding part and the second sliding part, very convenient to use.

Description

A kind of single handle twin-stage joint control Adjustable internal support formula locking device for camera support

Technical field

The utility model relates to photographic goods technical field more particularly to a kind of single handle twin-stage connection for camera support Control Adjustable internal support formula locking device.

Background technique

Existing photography holder carriage support multistage support rod, for adjusting using height.

Every grade of support rod is all the locking and release for having respective locking handle to control support rod, when adjusting operation, It needs to pull every grade of handle to be manually adjusted, be inconvenient.

Utility model content

The utility model provides a kind of single handle twin-stage joint control Adjustable internal support formula locking device for camera support, including Fixing piece, the fixing piece include crotch, fixed link, balladeur train, and the fixed link has two, and two fixed links are arranged in parallel, The bottom end of two fixed links is equipped with balladeur train, and the top of two fixed links is equipped with crotch, it is characterised in that also wraps Include the first sliding part, the second sliding part；

First sliding part is mounted on fixing piece, and can be sliding relative to fixing piece or clamping or sliding, described first Moving part includes upper retaining mechanism, lower retaining mechanism, locking control device, and the locking control device can control retaining mechanism To the compression or release of fixed link；

The upper retaining mechanism includes upper connection frame, latch, eyelet bolt, eccentric rod, and the upper connection frame is equipped with For the through-hole that fixed link passes through, the upper connection frame is through in fixed link by through-hole set, and lock is equipped with behind the upper connection frame Tight plate groove, the latch groove is recessed to be connected at slot rib with through-hole, is equipped with latch in the latch groove, described Latch is equipped with the arcwall face for being fixed bar, and the arcwall face on the latch is in the company of latch groove and through-hole Logical place compresses fixed link, and the side of the latch is connect with eyelet bolt one end, and another end cap of the eyelet bolt exists On eccentric rod, the bias

Bar is driven rotation by locking control device；

The locking control device includes handle, handle core, and the handle core includes core, balance staff, the balance staff setting On core type face, corresponding core groove and balance staff groove are equipped with before the upper connection frame, the balance staff is mounted on balance staff In groove, the core is mounted in core groove, and the core side is equipped with the handle for driving its rotation, and the core encloses Axis around balance staff is rotated, and eccentric rod groove, installation in the eccentric rod groove are provided on the balance staff of the handle core There are eccentric rod, the axis of the eccentric rod and the axis runout of balance staff, the rotation of the eccentric rod enables to eyelet bolt to do Straight line push-and-pull movement；

The locking control device can control stretching and release of the lower retaining mechanism to the second sliding part, the handle core The two sides of balance staff have an eccentric shaft, the axis runout setting of the balance staff of the axis and handle core of the eccentric shaft, the eccentric shaft It is connect with lower retaining mechanism, and the eccentric rotary of eccentric shaft drives lower stretching and release of the locking device to the second sliding part, institute Stating lower retaining mechanism includes outboard tube, second level lock tube, tie rod, connecting rod, expansion sleeve, expansion cone, lower connection frame, upper pulling block, institute The upper end for stating connecting rod rotatably covers on eccentric shaft, and the bottom end of the connecting rod and upper pulling block are hinged rotation connection, it is described on The connection of the threaded upper ends of pulling block and tie rod, tie rod bottom end pass through balladeur train and are mounted in lower connection frame, the tie rod Bottom end is equipped with expansion cone, and second level lock tube is equipped on the outside of the tie rod, and the upper end of the second level lock tube and upper connection frame connect Connect, secondary latch tube bottom end is equipped with expansion sleeve, and the expansion cone is located in expansion sleeve, the expansion cone by tie rod with Move up and down, so that expansion sleeve be made to shrink or strut, outboard tube be installed on the outside of the second level lock tube, the outboard tube upper end with Upper connection frame connection, the outboard tube bottom end passes through balladeur train and connect with lower connection frame；

Second sliding part includes inner tube, stabilizer blade, and said inner tube is mounted between second level lock tube and outboard tube, and inner tube It can axially slide, said inner tube bottom end sequentially passes through balladeur train, lower connection frame is connect with stabilizer blade, said inner tube inner wall and expansion The lateral surface of set fits closely, and expansion sleeve is locked using the frictional force between inner tube.

The bottom end of the connecting rod is passed through by connecting shaft with upper pulling block and is rotatablely connected.

Return spring is installed between the latch and upper connection frame.

The utility model has the following beneficial effects:

The utility model handle can control the latch in retaining mechanism for the compression and release to fixed link, thus It controls the first sliding part and is in whether move state；

Meanwhile handle also can control moving up and down for expansion cone by connecting rod in lower retaining mechanism, tie rod, from And so that the expansion cone is applied tension or revocation tension to expansion sleeve, so that expansion sleeve is strutted or is recycled therewith, expansion sleeve and inner tube it Between whether be close to, inner tube is locked using the frictional force between expansion sleeve and inner tube, thus control the second sliding part at In whether moving state, realizing a handle can control the locking and release of the first sliding part and the second sliding part, use Get up very convenient.

Detailed description of the invention

Fig. 1 is utility model diagram.

Fig. 2 is the utility model section view.

Fig. 3 is enlarged diagram at the A in the utility model Fig. 2.

Fig. 4 is enlarged diagram at the B in the utility model Fig. 2.

Fig. 5 is the utility model fixing piece schematic diagram.

Fig. 6 is the first sliding part of the utility model schematic diagram.

Fig. 7 is the second sliding part of the utility model schematic diagram.

Fig. 8 is to lock structural scheme of mechanism on the utility model.

Fig. 9 is the overhead sectional view of retaining mechanism on the utility model.

Figure 10 is the upper locking structural scheme of mechanism that the utility model is equipped with handle core.

Figure 11 is the schematic diagram of connection frame on the utility model.

Figure 12 is another angle schematic diagram of connection frame on the utility model

Figure 13 is the schematic diagram of the utility model latch.

Figure 14 is the schematic diagram of the utility model handle core.

Figure 15 is the connection type stereoscopic schematic diagram of the utility model handle core and latch.

Figure 16 is the connection type schematic top plan view of the utility model handle core and latch.

Figure 17 is the stereoscopic schematic diagram that the utility model locks control device.

Figure 18 is the side schematic view that the utility model locks control device.

Figure 19 is the cross-sectional view of retaining mechanism under the utility model.

Figure 20 is enlarged diagram at C in the utility model Figure 19.

Figure 21 is enlarged diagram at D in the utility model Figure 19.

Figure 22 is the connection relationship diagram of the utility model handle core and connecting rod.

Such as figure:

Fixing piece -1

Crotch -1-1, fixed link -1-2, balladeur train -1-3；

First sliding part -2

Upper retaining mechanism -2-1, upper connection frame -2-11, through-hole -2-111, latch groove -2-112, core groove -2- 113, balance staff groove -2-114, latch -2-12, arcwall face -2-121, eyelet bolt -2-13, eccentric rod -2-14

Lower retaining mechanism -2-2, outboard tube -2-21, second level lock tube -2-22, tie rod -2-23, connecting rod -2-24, expansion Set -2-25, expansion cone -2-26, lower connection frame -2-27, upper pulling block -2-28

It is recessed to lock control device -2-3, handle -2-31, handle core -2-32, core -2-321, balance staff -2-322, eccentric rod Slot -2-3221, eccentric shaft -2-3222；

Second sliding part -3, inner tube -3-1, stabilizer blade -3-2；

Spring -4.

Specific embodiment

Root according to the figure, is further described the utility model:

Embodiment 1

A kind of single handle twin-stage joint control Adjustable internal support formula locking device for camera support, including fixing piece 1, fixing piece Including crotch 1-1, fixed link 1-2, balladeur train 1-3, fixed link has two, and two fixed links are arranged in parallel, two fixations The bottom end of bar is equipped with balladeur train 1-3, and the top of two fixed links is equipped with crotch, further includes that the first sliding part 2, second is sliding Moving part 3；

First sliding part 2 is mounted on fixing piece 1, and can be relative to fixing piece 1 or locking or sliding, the first sliding part packet Retaining mechanism 2-1, lower retaining mechanism 2-2, locking control device 2-3 are included, locking control device can control retaining mechanism To the compression or release of fixed link 1-2；

Upper retaining mechanism 2-1 includes upper connection frame 2-11, latch 2-12, eyelet bolt 2-13, eccentric rod 2-14, upper company It connecing frame and is equipped with the through-hole passed through for fixed link 1-2, upper connection frame 2-11 is through on fixed link 1-2 by through-hole 2-111 set, on Latch groove 2-112 is equipped with behind connection frame, latch groove is connected at slot rib with through-hole, in latch groove 2-112 Latch 2-12 is installed, latch is equipped with the arcwall face 2-121 for being fixed bar, and the arcwall face on latch is in lock The connectivity part of tight plate groove and through-hole compresses fixed link, and the side of latch is connect with eyelet bolt one end, eyelet bolt 2- On eccentric rod 2-14, eccentric rod 1-14 is driven by locking control device and is rotated 13 another end cap；

Locking control device 2-3 includes handle 2-31, handle core 2-32, handle core include core 2-321,

Balance staff 2-322, balance staff are arranged on core, and corresponding core groove 2-113 and pendulum are equipped with before upper connection frame Axis groove 2-114, balance staff are mounted in balance staff groove, and core is mounted in core groove, and core side, which is equipped with, drives itPendulum Dynamic handle, core are rotated around the axis of balance staff, and the balance staff of handle core is equipped with eccentric rod groove 2-3221, eccentric rod Eccentric rod 2-14 is installed, the axis runout of the balance staff of the axis and handle core 2-32 of eccentric rod is arranged, eccentric rod in groove Rotation enables to eyelet bolt 2-13 to do straight line push-and-pull movement, to drive latch 2-12 in latch groove 2-112 It is mobile, so that the arcwall face 2-121 of latch is away from or approaching fixed link；

Locking control device 2-3 can control stretching and release of the lower retaining mechanism 2-2 to the second sliding part, handle core The two sides of balance staff are provided with eccentric shaft 2-3222, the axis runout setting of the balance staff of the axis and handle core of eccentric shaft, eccentric shaft It is connect with lower retaining mechanism 2-2, and the eccentric shaft stretching and release of retaining mechanism to the second sliding part under eccentric rotary drive, Lower retaining mechanism includes outboard tube 2-21, second level lock tube 2-22, tie rod 2-23, connecting rod 2-24, expansion sleeve 2-25, expansion cone 2- 26, lower connection frame 2-27, upper pulling block -2-28, the upper end of connecting rod 2-24 rotatably cover on eccentric shaft 2-3222, the bottom of connecting rod End is hingedly to be rotatablely connected with upper pulling block, and the threaded upper ends of upper pulling block and tie rod connect, and tie rod bottom end is installed across balladeur train In lower connection frame, tie rod bottom end is equipped with expansion cone 2-26, is equipped with second level lock tube 2-22, second level on the outside of tie rod 2-23 The upper end of lock tube 2-22 is connect with upper connection frame, and secondary latch tube bottom end is equipped with expansion sleeve, and expansion cone is located in expansion sleeve, expansion Cone, with moving up and down, so that expansion sleeve be made to shrink or strut, is equipped with outboard tube on the outside of second level lock tube, outside by tie rod 2-23 Side pipe upper end is connect with upper connection frame, and outboard tube bottom end passes through balladeur train and connect with lower connection frame；

Second sliding part 3 include inner tube 3-1, stabilizer blade 3-2, inner tube be mounted on second level lock tube 2-22 and outboard tube 2-21 it Between, and inner tube can be slided axially, inner tube bottom end sequentially passes through balladeur train 1-3, lower connection frame 2-27 is connect with stabilizer blade 3-2, interior Inside pipe wall is close to the lateral surface of expansion sleeve, and expansion sleeve is clamped using the frictional force between inner tube.

The bottom end of connecting rod and the upper end of tie rod are passed through by connecting shaft and are rotatablely connected.

Spring 4 is installed between latch and upper connection frame.

Embodiment 2

When needing to adjust whole height, handle is pulled outward, and handle core is with the axis of balance staff under the drive of handle Benchmark is turned out, and eccentric rod pushes eyelet bolt, and eyelet bolt unlocks latch, effect of the latch in return spring 4 Under, latch moves backward in groove, and so that the arcwall face of latch is left fixed link surface, fixed link is unclamped, at this point, the One sliding part is in the state that can be slided along fixed link, pushes and pulls the height of the adjustable present apparatus entirety of the first sliding part Degree；

Outward while pull handle, eccentric shaft under the drive of handle core to be rotated on the basis of the axis of balance staff, Due to the axis of eccentric shaft and the axis runout of balance staff, so eccentric shaft drives connecting rod to move down while rotation, therefore, Upper pulling block, tie rod, expansion cone are also interior to be moved down, and expansion cone is moved down while being separated with expansion sleeve 74, and expansion sleeve is by quilt The distracted state of expansion cone reverts to reset condition, therefore gap between expansion sleeve and inner tube increases, and expansion sleeve cannot 2 benefit again Inner tube is locked with frictional force, inner tube is in the state that can axially slide, and the second sliding part is pushed to reach adjustable abridged edition The condition of the height of device entirety.

After adjusting height, when needing fixed, lower handle 2-31 is pulled, and before on the contrary, handle core turns round downwards, eccentric rod Eyelet bolt is retracted, latch is mobile to fixed link direction under the action of eyelet bolt, the arcwall face 2- of latch 2-12 121 will fix rod locking again, and the first sliding part 2 is stationary relative to fixing piece 1；

At the same time, eccentric shaft 2-3222 rotation drives tie rod 2-23 to move up, and expansion cone 2-26 is also moved up, and moves on to expansion It covers in 2-25, the side of expansion cone struts expansion sleeve, is close to expansion sleeve with inner tube 31, is pressed from both sides inner tube 31 using frictional force Tightly, therefore, the second sliding part 3 is also fixed.

The above is only the preferred embodiment of the utility model, it is noted that for the general of the art For logical technical staff, without departing from the principle of this utility model, several improvement can also be made, these improvement are also answered It is considered as the protection scope of the utility model.

Claims (3)

1. a kind of single handle twin-stage joint control Adjustable internal support formula locking device for camera support, including fixing piece, the fixation Part includes crotch, fixed link, balladeur train, and the fixed link has two, and two fixed links are arranged in parallel, two fixed links Bottom end is equipped with balladeur train, and the top of two fixed links is equipped with crotch, it is characterised in that further includes the first sliding part, second Sliding part；

First sliding part is mounted on fixing piece, and can be relative to fixing piece or locking or sliding, first sliding part Including upper retaining mechanism, lower retaining mechanism, locking control device, the locking control device can control retaining mechanism to solid The locking or release of fixed pole；

The upper retaining mechanism includes upper connection frame, latch, eyelet bolt, eccentric rod, and the upper connection frame is equipped with for solid The through-hole that fixed pole passes through, the upper connection frame are through in fixed link by through-hole set, and latch is equipped with behind the upper connection frame Groove, the latch groove are connected at slot rib with through-hole, and latch, the latch are equipped in the latch groove On be provided with arcwall face for clamping the fixing rod, the arcwall face on the latch is in the connectivity part of latch groove and through-hole Fixed link is clamped, the side of the latch is connect with eyelet bolt one end, and another end cap of the eyelet bolt is in bias On bar, the eccentric rod is driven rotation by locking control device；

The locking control device includes handle, handle core, and the handle core includes core, balance staff, and the balance staff is arranged in core On figure face, corresponding core groove and balance staff groove are equipped with before the upper connection frame, the balance staff is mounted on balance staff groove Interior, the core is mounted in core groove, and the core side is equipped with the handle for driving its rotation, and the core is around pendulum The axis of axis is rotated, and eccentric rod groove is provided on the balance staff of the handle core, is equipped in the eccentric rod groove partially Core bar, the axis of the eccentric rod and the axis runout of balance staff, the rotation of the eccentric rod enable to eyelet bolt to do straight line Push-and-pull movement；

The locking control device can control stretching and release of the lower retaining mechanism to the second sliding part, the pendulum of the handle core There are eccentric shaft in the two sides of axis, and the axis runout setting of the balance staff of the axis and handle core of the eccentric shaft, the eccentric shaft is under Retaining mechanism connection, and the eccentric rotary of eccentric shaft drives lower stretching and release of the locking device to the second sliding part, under described Retaining mechanism includes outboard tube, second level lock tube, tie rod, connecting rod, expansion sleeve, expansion cone, lower connection frame, upper pulling block, the company The upper end of bar rotatably covers on eccentric shaft, and the bottom end of the connecting rod and upper pulling block are hinged rotation connection, the upper pulling block It is connect with the threaded upper ends of tie rod, the tie rod bottom end passes through balladeur train and is mounted in lower connection frame, the tie rod bottom end Expansion cone is installed, second level lock tube is installed on the outside of the tie rod, the upper end of the second level lock tube is connect with upper connection frame, institute It states secondary latch tube bottom end and expansion sleeve is installed, the expansion cone is located in expansion sleeve, and the expansion cone is by tie rod with upper and lower It is mobile, so that expansion sleeve be made to shrink or strut, outboard tube, the outboard tube upper end and upper company are installed on the outside of the second level lock tube Frame connection is connect, the outboard tube bottom end passes through balladeur train and connect with lower connection frame；

Second sliding part includes inner tube, stabilizer blade, and said inner tube is mounted between second level lock tube and outboard tube, and inner tube can edge Slide axially, said inner tube bottom end sequentially passes through balladeur train, lower connection frame is connect with stabilizer blade, said inner tube inner wall and expansion sleeve Lateral surface fits closely, and expansion sleeve is locked using the frictional force between inner tube.

2. a kind of single handle twin-stage joint control Adjustable internal support formula locking device for camera support according to claim 1, It is rotatablely connected it is characterized in that, the bottom end of the connecting rod is passed through with upper pulling block by connecting shaft.

3. a kind of single handle twin-stage joint control Adjustable internal support formula locking device for camera support according to claim 1, It is characterized in that being equipped with return spring between the latch and upper connection frame.