CN208886272U - Locking device and tripod cantilever pan tilt with the locking device - Google Patents
Locking device and tripod cantilever pan tilt with the locking device Download PDFInfo
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- CN208886272U CN208886272U CN201821262457.XU CN201821262457U CN208886272U CN 208886272 U CN208886272 U CN 208886272U CN 201821262457 U CN201821262457 U CN 201821262457U CN 208886272 U CN208886272 U CN 208886272U
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- shaft
- locking device
- latch segment
- accommodating chamber
- axle sleeve
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Abstract
The utility model discloses a kind of locking device and the tripod cantilever pan tilt with the locking device, locking device include: axle sleeve；Shaft is rotatably arranged in axle sleeve, and one end of shaft can be radially expanded, and the expanding end of shaft is provided with the accommodating chamber of wedge shape；Latch segment, for the wedge shape cooperated with the accommodating chamber, the latch segment is contained in the accommodating chamber, and it can be slided between locked position and released position along the axial of the shaft, when the latch segment slides into locked position, the latch segment and accommodating chamber cooperation make the expanding end of the shaft be radially expanded and be fitted close with the axle sleeve, and when the latch segment slides into released position, the shaft can be rotated relative to the axle sleeve；And driving mechanism, for driving the latch segment to slide between the locked position and the released position.The locking device of the utility model, since latch segment and axle sleeve contact area are big, frictional resistance is big, so that coupling mechanism force is big.
Description
Technical field
The utility model relates to photographic goods, more particularly to a kind of locking device and with the tripod of the locking device
Cantilever pan tilt.
Background technique
Tripod cantilever pan tilt is the support equipment of installation, fixed photographic goods.Existing tripod cantilever pan tilt is usual
Including pedestal, cantilever and transfer platform, for connecting with tripod, one end of cantilever and pedestal are connected pedestal by retaining mechanism
It connects, the other end of cantilever is connect with transfer platform by retaining mechanism.Existing retaining mechanism has that coupling mechanism force is small, is easy
Lead to slipping phenomenon, the accident of damage photographic goods occurs.
Summary of the invention
For above-mentioned state of the art, technical problem to be solved by the utility model is to provide a kind of coupling mechanism forces
Big locking device.In addition, also providing a kind of tripod cantilever pan tilt with the locking device.
In order to solve the above-mentioned technical problem, a kind of locking device provided by the utility model, comprising: axle sleeve；Shaft, can
It is rotatably arranged in the axle sleeve, and one end of the shaft can be radially expanded, is provided in the expanding end of the shaft
The accommodating chamber of wedge shape；Latch segment, for the wedge shape cooperated with the accommodating chamber, the latch segment is contained in the accommodating chamber, and
It can be slided between locked position and released position along the axial of the shaft, when the latch segment slides into locked position
When, the latch segment is radially expanded the expanding end of the shaft with accommodating chamber cooperation and closely matches with the axle sleeve
It closes, when the latch segment slides into released position, the shaft can be rotated relative to the axle sleeve；And driving mechanism, it uses
It is slided between the locked position and the released position in the driving latch segment.
Above-mentioned locking device, when latch segment slides into locked position, latch segment and accommodating chamber cooperate the expansion for making shaft
End is radially expanded and is fitted close with axle sleeve, and since latch segment and axle sleeve contact area are big, frictional resistance is big, thus coupling mechanism force
Greatly.
In one embodiment, for the accommodating chamber along the shaft that extends radially through of the shaft, the latch segment is edge
The bar shaped of the shaft radially extended.
In one embodiment, several lines of rabbet joint, the line of rabbet joint and the accommodating chamber are radially offered on the expanding end
The expanding end is divided at least two pieces by connection, the line of rabbet joint.
In one embodiment, the middle part of the expanding end is arranged in the accommodating chamber, and the latch segment is along described turn
The axially extending taper of axis.
In one embodiment, several lines of rabbet joint are radially offered on the expanding end of the accommodating chamber side, it is described
The line of rabbet joint is connected to the accommodating chamber, and the expanding end is divided at least two pieces by the line of rabbet joint.
In one embodiment, weight loss groove or lightening hole are provided in the shaft.
In one embodiment, the locking device further includes the axial limiting for limiting the tie down screw and being axially moved
Structure.
In one embodiment, bearing is provided between the knob and the shaft.
In one embodiment, the driving mechanism includes: tie down screw, is threadedly coupled with the latch segment；And rotation
Button is connect with one end of the tie down screw.
A kind of tripod cantilever pan tilt provided by the utility model, including above-mentioned locking device.
Beneficial effect possessed by the utility model additional technical feature will this specification specific embodiment part into
Row explanation.
Detailed description of the invention
Fig. 1 is the main view of the tripod cantilever pan tilt in the utility model embodiment；
Fig. 2 is the explosive view of the tripod cantilever pan tilt in the utility model embodiment；
Fig. 3 is the left view of the tripod cantilever pan tilt in the utility model embodiment；
Fig. 4 is the cross-sectional view of the line A-A along Fig. 3；
Fig. 5 is the cross-sectional view of the line B-B along Fig. 1.
Description of symbols: 1, limited screw；2, the first tie down screw；2a, convex shoulder；5, the first internal axle sleeve；6, cantilever；
62, the first axle sleeve；62a, baffle；64, the second axle sleeve；65, linking arm；66, medial surface；68, lateral surface；7, the second internal axle sleeve；
8, the second shaft；81, expanding end；82, the second accommodating chamber；84, second line of rabbet joint；86, lightening hole；88, deep gouge；9, the first locking
Block；10, second bearing；11, the first knob；12, pedestal；122, first rotating shaft；122a, the first accommodating chamber；122b, the first slot
Seam；122c, weight loss groove；122d, limiting groove；122e, expanding end；13, the second latch segment；14, the second tie down screw；16,
One bearing；17, the second knob；18, transfer platform.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments the utility model is described in detail.It should be noted that not rushing
In the case where prominent, the feature in following embodiment and embodiment be can be combined with each other.
As shown in Figs. 1-5,6 holder of tripod cantilever of the utility model in one embodiment includes pedestal 12, hangs
Arm 6 and transfer platform 18, for connecting with tripod, first end and the pedestal 12 of cantilever 6 are rotatably coupled pedestal 12, and
The first locking device is provided between the first end and pedestal 12 of cantilever 6.The second end and transfer platform 18 of cantilever 6 are rotationally
Connection, and the second locking device is provided between the second end of cantilever 6 and transfer platform 18, transfer platform 18 is taken the photograph for installing
Shadow equipment.
As shown, cantilever 6 includes two the first axle sleeves 62 being parallel to each other, the second axle sleeve 64 and is arranged in first axle
Linking arm 65 between set 62 and the second axle sleeve 64, linking arm 65 are Curved.For ease of description, linking arm 65 defined below
Concave flanks be medial surface 66, the convex side of linking arm 65 is lateral surface 68.
First locking device includes the first axle sleeve 62, first rotating shaft 122, the first latch segment 9, the first tie down screw 2 and the
One knob 11, first rotating shaft 122 is connect with pedestal 12, and in the present embodiment, first rotating shaft 122 is structure as a whole with pedestal 12.The
One end of the close lateral surface 68 of one shaft 122 can be radially expanded, and first rotating shaft 122 is arranged in the first axle sleeve 62, and can
It is rotated relative to the first axle sleeve 62, the first accommodating chamber 122a of wedge shape is provided in first rotating shaft 122.First latch segment 9 be with
The wedge shape of first accommodating chamber 122a cooperation, the first latch segment 9 is mounted in the first accommodating chamber 122a, and can locked along axial direction
It is slided between position and released position, when the first latch segment 9 is in locked position, the expanding end of the first rotating shaft 122
122e is radially expanded and is fitted close with first axle sleeve 62, when the first latch segment 9 is in released position, described first
Clearance fit between shaft 122 and the first axle sleeve 62, so that first rotating shaft 122 can be rotated relative to the first axle sleeve 62, to adjust
Angle between cantilever 6 and pedestal 12.
In the present embodiment, the first accommodating chamber 122a extends radially through first rotating shaft 122, and the first latch segment 9 is along first turn
The bar shaped of axis 122 radially extended.Is provided on the expanding end 122e of the first rotating shaft 122 of the first side accommodating chamber 122a
One line of rabbet joint 122b, first line of rabbet joint 122b are connected to the first accommodating chamber 122a, by the first line of rabbet joint 122b that first rotating shaft 122 is close
The end of the lateral surface 68 of linking arm 65 is divided into two parts, so that the expanding end 122e of first rotating shaft 122 can be radially expanded.
In order to reduce the weight, weight loss groove 122c is provided in first rotating shaft 122.
Preferably, being provided between the first accommodating chamber 122a and first latch segment 9 prevents first locking
The anti-rotation structure that block 9 is rotated relative to the first accommodating chamber 122a.In the present embodiment, the first accommodating chamber 122a is radially to prolong
The bar shaped stretched, the first latch segment 9 are bar shaped, and the two cooperatively forms anti-rotation structure.
First tie down screw 2 is threadedly coupled with the first latch segment 9, and one end of the first tie down screw 2 and the first knob 11 connect
It connects.The first knob 11 is rotated, the rotation of the first tie down screw 2 drives the first latch segment 9 to be axially moveable.It preferably, further include limit
Make the axial limit structure that first tie down screw 2 is axially moved.As shown, the axial limit structure packet in the present embodiment
It includes the limiting groove 122d being arranged in the first rotating shaft 122 on the end face of the lateral surface 68 of linking arm 65, be arranged in institute
Baffle 62a and setting of first axle sleeve 62 on one end of the lateral surface 68 of linking arm 65 are stated in first tie down screw
Convex shoulder 2a on 2 peripheries, convex shoulder 2a are located in the chamber that baffle 62a and limiting groove 122d is formed.
In order to reduce the frictional force between the first knob 11 and baffle 62a, set between the first knob 11 and baffle 62a
It is equipped with first bearing 16.
Second locking device includes the second axle sleeve 64, the second shaft 8, the second latch segment 13, the second tie down screw 14 and the
One knob 11, the second shaft 8 are radially expanded, and the second shaft 8 is arranged in the second axle sleeve 64, and can be relative to the second axle sleeve
64 rotate, and the second accommodating chamber 82 of wedge shape is provided in the second shaft 8, and the second shaft 8 is connect with transfer platform 18.Second locking
Block 13 is the wedge shape cooperated with the second accommodating chamber 82, and the second latch segment 13 is mounted in the second accommodating chamber 82, and can be along axial direction
It is slided between locked position and released position, when the second latch segment 13 is in locked position, the expansion of second shaft 8
End 81 is radially expanded and is fitted close with second axle sleeve 64, when the second latch segment 13 is in released position, described the
Clearance fit between two shafts 8 and the second axle sleeve 64, so that the second shaft 8 can be rotated relative to the second axle sleeve 64, it is outstanding to adjust
Angle between arm 6 and transfer platform 18.
In order to increase the frictional force between the second axle sleeve 64 and the second shaft 8, set between the second axle sleeve 64 and the second shaft 8
It is equipped with the first internal axle sleeve 5 and the second internal axle sleeve 7.
In the present embodiment, the second shaft 8 is arranged in close to the end of the lateral surface 68 of linking arm 65 in the second accommodating chamber 82
Center, second latch segment 13 are the axially extending taper along second shaft 8.The of 82 side of the second accommodating chamber
Two second lines of rabbet joint 84 are provided on the expanding end 81 of two shafts 8, which is connected to the second accommodating chamber 82, by second
Second shaft 8 is divided into two parts close to the end of the lateral surface 68 of linking arm 65 by the line of rabbet joint 84, so that the second shaft 8 is swollen
Swollen end 81 can be radially expanded.In order to reduce the weight, lightening hole 86 is provided in the second shaft 8.
Preferably, being provided between second accommodating chamber 82 and second latch segment 13 prevents second latch segment
13 anti-rotation structure relative to second accommodating chamber 82 rotation.In the present embodiment, the cross section of the second accommodating chamber 82 is polygon
Shape, the cross section of the second latch segment 13 are polygon, in this way composition anti-rotation structure.
Second tie down screw 14 is threadedly coupled with the second latch segment 13, one end of the second tie down screw 14 and the second knob 17
Connection.Rotating second knob 17, the second tie down screw 14 rotation, drives the second latch segment 13 to be axially moveable.Preferably, also
The axial limit structure being axially moved including limiting second tie down screw 14.As shown, the axial limit in the present embodiment
Bit architecture includes that deep gouge 88 of second shaft 8 on the end face of the medial surface 66 of linking arm 65 is arranged in and is arranged in institute
The limited screw 1 in deep gouge 88 is stated, the end of the second tie down screw 14 is located at the limit chamber that limited screw 1 and deep gouge 88 are formed
It is interior.
In order to reduce the frictional force between the second knob 17 and the second shaft 8, between the second knob 17 and the second shaft 8
It is provided with second bearing 10.
In conclusion 6 holder of tripod cantilever provided by the utility model, due to cantilever 6 and pedestal 12, transfer platform 18
Between be provided with locking device, the coupling mechanism force of the locking device is big, avoids asking of causing photographic goods to be broken because coupling mechanism force is small
Topic occurs.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.
Claims (10)
1. a kind of locking device characterized by comprising
Axle sleeve；
Shaft is rotatably arranged in the axle sleeve, and one end of the shaft can be radially expanded, in the swollen of the shaft
Swollen end is provided with the accommodating chamber of wedge shape；
Latch segment, for the wedge shape cooperated with the accommodating chamber, the latch segment is contained in the accommodating chamber, and can be along described
The axial direction of shaft is slided between locked position and released position, when the latch segment slides into locked position, the locking
Block and accommodating chamber cooperation make the expanding end of the shaft be radially expanded and be fitted close with the axle sleeve, when the locking
When block slides into released position, the shaft can be rotated relative to the axle sleeve；And
Driving mechanism, for driving the latch segment to slide between the locked position and the released position.
2. locking device according to claim 1, which is characterized in that the accommodating chamber extends radially through institute along the shaft
Shaft is stated, the latch segment is the bar shaped radially extended along the shaft.
3. locking device according to claim 2, which is characterized in that radially offer several slots on the expanding end
Seam, the line of rabbet joint are connected to the accommodating chamber, and the expanding end is divided at least two pieces by the line of rabbet joint.
4. locking device according to claim 1, which is characterized in that the accommodating chamber is arranged in the expanding end
Portion, the latch segment are the axially extending taper along the shaft.
5. locking device according to claim 4, which is characterized in that along diameter on the expanding end of the accommodating chamber side
To several lines of rabbet joint are offered, the line of rabbet joint is connected to the accommodating chamber, and the expanding end is divided at least two pieces by the line of rabbet joint.
6. locking device according to claim 1, which is characterized in that be provided with weight loss groove or loss of weight in the shaft
Hole.
7. locking device according to claim 1, which is characterized in that further include limiting what the tie down screw was axially moved
Axial limit structure.
8. locking device as claimed in any of claims 1 to 7, which is characterized in that the driving mechanism includes:
Tie down screw is threadedly coupled with the latch segment；And
Knob is connect with one end of the tie down screw.
9. locking device according to claim 8, which is characterized in that be provided with axis between the knob and the shaft
It holds.
10. a kind of tripod cantilever pan tilt, which is characterized in that including locking dress as in one of claimed in any of claims 1 to 9
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262457.XU CN208886272U (en) | 2018-08-06 | 2018-08-06 | Locking device and tripod cantilever pan tilt with the locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821262457.XU CN208886272U (en) | 2018-08-06 | 2018-08-06 | Locking device and tripod cantilever pan tilt with the locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208886272U true CN208886272U (en) | 2019-05-21 |
Family
ID=66508240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821262457.XU Active CN208886272U (en) | 2018-08-06 | 2018-08-06 | Locking device and tripod cantilever pan tilt with the locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208886272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410518A (en) * | 2019-09-05 | 2019-11-05 | 北京海科天创科技有限公司 | A kind of gold-plated valve and pipe fitting |
| CN115111470A (en) * | 2021-03-18 | 2022-09-27 | 智神信息(深圳)有限公司 | Shaft lock device and control method thereof, holder and control method thereof |
-
2018
- 2018-08-06 CN CN201821262457.XU patent/CN208886272U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410518A (en) * | 2019-09-05 | 2019-11-05 | 北京海科天创科技有限公司 | A kind of gold-plated valve and pipe fitting |
| CN115111470A (en) * | 2021-03-18 | 2022-09-27 | 智神信息(深圳)有限公司 | Shaft lock device and control method thereof, holder and control method thereof |
| CN115111470B (en) * | 2021-03-18 | 2024-01-09 | 智神信息(深圳)有限公司 | Shaft lock device and control method thereof, cradle head and control method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |