CN207634474U - A kind of bracket locking device - Google Patents
A kind of bracket locking device Download PDFInfo
- Publication number
- CN207634474U CN207634474U CN201721649119.7U CN201721649119U CN207634474U CN 207634474 U CN207634474 U CN 207634474U CN 201721649119 U CN201721649119 U CN 201721649119U CN 207634474 U CN207634474 U CN 207634474U
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- connector
- lug
- briquetting
- special
- locking device
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Abstract
The utility model discloses a kind of bracket locking devices.The bracket locking device includes：First connector (1), second connector (2), briquetting and trip bolt (4), first connector (1) includes spaced first lug (11) and the second lug (12), second connector (2) is arranged with interval fit system between the first lug (11) and the second lug (12), the briquetting is slidably arranged in the through-hole of the second lug (12), the trip bolt (4) passes through the briquetting and second connector (2) to screw to the first lug (11), and an end face of the briquetting is abutted with second connector (2).The bracket locking device number of parts of the utility model is simplified, and is removed outside necessary two connectors of holder, and only there are two additional parts：Special-shaped briquetting and trip bolt.In addition, the bracket locking device of the utility model is easy to operate, assembling and locking the structure only needs a urgent screw.
Description
Technical field
The utility model is related to camera mount technical fields, more particularly to a kind of bracket locking device.
Background technology
Bracket locking device or holder locking mechanism are the important features of video camera or camera assembly.The branch of the prior art
Frame locking device there are amount of parts it is more, of high cost the shortcomings of.For example, the holder disclosed in patent document CN205885980U
Locking device includes 9 parts.To bring the problems such as of high cost, volume is big, assembly is cumbersome.
Thus, it is desirable to have a kind of technical solution come overcome or at least mitigate in the drawbacks described above of the prior art at least one
It is a.
Utility model content
The purpose of this utility model is to provide a kind of bracket locking devices to overcome or at least mitigate the upper of the prior art
State at least one of defect.That is, a kind of the purpose of this utility model is to provide number of parts less, assembly is more
Simple bracket locking device.
To achieve the above object, the utility model provides a kind of bracket locking device, and the bracket locking device includes：The
A connection piece, the second connector, briquetting and trip bolt, first connector include spaced first lug and
Two lugs, second connector are arranged with interval fit system between the first lug and the second lug, the briquetting
It is slidably arranged in the through-hole of the second lug, the trip bolt passes through the briquetting and second connector to screw to described
In first lug, and an end face of the briquetting is abutted with second connector.
Preferably, the through-hole of second lug is special-shaped through-hole, and the briquetting is special-shaped briquetting, the special-shaped pressure
The outer profile of block coordinates with the special-shaped through-hole, and the special-shaped briquetting is prevented to be rotated in the special-shaped through-hole.
Preferably, the endface of second connector abutted with the first lug is provided with tooth form texture.
Preferably, the endface of the special-shaped briquetting abutted with second connector is provided with tooth form texture.
Preferably, first connector further comprises interconnecting piece, and the interconnecting piece connects the first lug and the
Two lugs, and the side for closing on the second connecting portion of the interconnecting piece is provided with arc groove.
Preferably, second connector includes circular arc columnar part, and the circular arc columnar part clearance fit is in the circle
In arc slot.
Preferably, the interconnecting piece, the first lug and second lug are integrally formed.
Preferably, the bar portion of the trip bolt is provided with root grooving with head junction.
Preferably, the head of the trip bolt is entirely located in the through-hole of second lug.
Preferably, it is provided with elastomeric pad between the head of the trip bolt and the briquetting.
The bracket locking device number of parts of the utility model is simplified, and is removed outside necessary two connectors of holder, only
Two additional parts：Special-shaped briquetting and trip bolt.In addition, the bracket locking device of the utility model is easy to operate, assembly
And it locks the structure only and needs a urgent screw.
Description of the drawings
Fig. 1 is the decomposition diagram of bracket locking device according to the present utility model.
Fig. 2 is the schematic cross-sectional view of bracket locking device according to the present utility model.
Fig. 3 is that the right side of the first connector regards schematic diagram, and the contour shape of special-shaped through-hole is shown in figure.
Fig. 4 is that the right side of special-shaped briquetting regards schematic diagram, and the outer outer contour shape of special-shaped briquetting is shown in figure.
Reference numeral：
| 1 | First connector | 22 | Circular arc columnar part |
| 2 | Second connector | 23 | Tooth form texture |
| 3 | Special-shaped briquetting | 31 | Briquetting curved profile |
| 4 | Trip bolt | 32 | Briquetting platform |
| 11 | First lug | 33 | Briquetting through-hole |
| 12 | Second lug | 111 | Threaded hole |
| 13 | Interconnecting piece | 121 | Special-shaped through-hole |
| 21 | Connect through-hole | 131 | Arc groove |
Specific implementation mode
In the accompanying drawings, it indicates same or similar element using same or similar label or there is same or like function
Element.The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
Term "center", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", " perpendicular in the description of the present invention,
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is orientation based on ... shown in the drawings or position
Relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore should not be understood as to scope of protection of the utility model
Limitation.
As shown in Figure 1, the bracket locking device of the utility model includes the first connector 1, the second connector 2, briquetting (example
Special-shaped briquetting 3 as shown) and trip bolt 4.First connector 1 includes spaced first lug 11 and the second lug
12.Second connector 2 is arranged with interval fit system between first lug 11 and the second lug 12, and briquetting is slidably arranged in the
In the through-hole of two lugs 12, trip bolt 4 passes through briquetting and the second connector 2 to screw to first lug 11, and makes described
An end face (left side in figure) for briquetting is abutted with second connector 2.To lock the first connector and second and connect
Fitting.
First connector 1 can be pedestal, can also be to install or be directly arranged or be molded over wall, ceiling, cylinder
On basic part.Second connector 2 can be the component being connect with video camera.In another way of example, the first connector 1
Can be the component being connect with video camera, the second connector 2 can be pedestal, can also be to install or be directly arranged or be molded over
Wall, ceiling, the basic part on cylinder.
First connector 1, the second connector 2, special-shaped briquetting 3 and trip bolt 4 material can be according to concrete application feelings
Condition is arranged.For example, the first connector 1, the second connector 2 and special-shaped briquetting 3 are made with plastics, and trip bolt 4 is metalwork.
First connector 1, the second connector 2 and special-shaped briquetting 3 can be also made with metal.
First connector 1 includes two spaced lugs：First lug 11 and the second lug 12.First lug 11
It is not limited to diagram embodiment with the concrete shape and size of the second lug 12.Referring to Fig. 1, first lug 11 is located at left end, wherein
It is provided with threaded hole 111.Closing at the side of the second lug 12 in first lug 11 is arranged in threaded hole 111.Advantageously, spiral shell
Pit 111 is through the tapped through hole of first lug 11.Second lug 12 is located at right side, is provided with special-shaped through-hole 121.It is different
Type through-hole 121 runs through the second lug 12.It is understood that the extending direction of threaded hole 111 and special-shaped through-hole 121 and fastening spiral shell
The extending direction (i.e. the axial direction of trip bolt 4) of nail 4 is identical.In addition, being spaced apart between first lug 11 and the second lug 12
Distance D refer on the extending direction of trip bolt 4 be spaced apart distance.
In the present invention, it is non-circular through-hole that special-shaped through-hole, which refers to cross section,.Similarly, special-shaped briquetting 3 refers to
The cross section outer profile of special-shaped briquetting 3 is non-circular.Special-shaped briquetting 3 be arranged in special-shaped through-hole 121, by special-shaped briquetting 3 with
Cooperation between special-shaped through-hole 121 prevents the rotation in special-shaped through-hole 121 of special-shaped briquetting 3, to prevent special-shaped briquetting 3 opposite
It is rotated in the second lug 12.That is, in the illustrated embodiment, the through-hole of the second lug 12 is special-shaped through-hole 121, institute
It is special-shaped briquetting 3 to state briquetting, and the outer profile of the abnormal shape briquetting 3 coordinates with the special-shaped through-hole 121, prevents the special-shaped briquetting
3 rotations in the special-shaped through-hole 121.
One specific implementation mode of special-shaped through-hole 121 is square hole, is rounded down at the four corners of square hole.
Correspondingly, the outer profile of special-shaped briquetting 3 is also the square being rounded down at four corners, and special-shaped briquetting 3 is outer
The size for being dimensioned slightly smaller than special-shaped through-hole 121 of profile.For example, special-shaped briquetting is coordinated with interval or transition is equipped in abnormal shape
In through-hole.Small gap is usually set, such as unilateral gap is in the range of 0.1mm-1.0mm, preferably in 0.1mm-
In the range of 0.15mm.
Another specific implementation mode of special-shaped through-hole 121 is the circular hole with platform part, i.e. a part for circular hole is retained
Get off, is not removed；Advantageously, being symmetrically each provided with a platform at the opposite sides of the circular hole (referring to Fig. 3).
Correspondingly, the outer profile of special-shaped briquetting 3 is cylindrical surface, and part is cut out, similar (referring to Fig. 4) to form two flat platforms
The special-shaped briquetting on ground, such shape is coordinated with interval or transition is equipped in corresponding special-shaped through-hole.
As shown in figure 3, the outer profile of special-shaped briquetting 3 is pattern profile (non-circular profile), including two sections of briquetting curved profiles
31 and two briquetting platforms 32.In addition, being provided with briquetting through-hole 33 within special-shaped briquetting 31.Two sections of briquettings of special-shaped briquetting 3
Curved profile 31 and two cooperations of briquetting platform 32 are in the special-shaped through-hole 121 of respective shapes.Wherein, the size of special-shaped briquetting 3
It is slightly less than the size of special-shaped through-hole 121.
Referring to Fig. 1, first lug 11 and the second lug 12 are linked into an integrated entity by interconnecting piece 13.Advantageously, first is convex
Ear 11, the second lug 12 and interconnecting piece 13 are integrally formed.It should be pointed out that the shape and structure of interconnecting piece 13 are not limited to illustrate
Embodiment, but can be any suitable shape and structure.For example, interconnecting piece 13 can be installation pedestal, and first lug and
Second lug the modes such as can be connected through a screw thread, be clamped, welding and being fixedly attached to interconnecting piece 13.
First lug 11 and the second lug 12 have thickness appropriate.It is understood that first lug 11 and second is convex
The axial direction of thickness direction, that is, trip bolt 4 of ear 12.The thickness is advisable with being capable of providing enough intensity.
Arc groove 131 is provided at the top of interconnecting piece 13.That is, closing on second connecting portion in interconnecting piece 13
2 side is provided with arc groove 131.Arc groove 131 is that cross section is arc-shaped groove.Advantageously, the axis of arc groove 131
Line is parallel to the axis of trip bolt 4.In this way, interconnecting piece 13 does not interfere the second connector 2 to turn relative to the first connector 1
It is dynamic, and the overall structure of entire locking mechanism is compacter, but also under identical overall dimensions, the first connector 1 can
With higher intensity.It is more favorably that the outer profile of the second connector 2 includes partial cylindrical surface, that is, there is circular arc columnar part 22.
The arc-shaped outer profile of the circular arc columnar part 22 of second connector and the 131 phase interworking of arc groove at 13 top of the interconnecting piece
It closes, is provided with certain gap between the two, to allow the second connector 2 to be freely rotated relative to the first connector 1, and into
One step improves the integrally-built compactedness of entire locking mechanism.In other words, 22 clearance fit of circular arc columnar part is in arc groove
In 131.
Second connector 2 is arranged with interval fit system between first lug 11 and the second lug 12.That is, even
The length L of fitting 2 is slightly less than the distance between first lug 11 and the second lug 12 D.For example, poor (D subtracts L) can set
It is set to 1mm, 1.5mm, 2mm, 3mm or bigger.The usually described difference is arranged in the range of 0.5mm to 5mm, it is highly preferred that setting
In the range of 0.5mm to 1.5mm.
The connection through-hole 21 of the second connector is provided through among second connector 2, to allow trip bolt 4 to pass through.
Advantageously, connection through-hole 21 is circular through hole.The left side of second connector 2, i.e. the second connector 2 with first lug 11
The end face for closing on or abutting (abutting) is provided with tooth form texture.To in the locked condition, can be in the second connector 2 and the
The frictional force that the friction coefficient and bigger of bigger are provided between one lug 11, to prevent the second connector 2 relative to the first connection
Part 1 rotates.Texture refers to the fancy lines on surface, such as：Sediment ripples, striped, image, wood grain, dermatoglyph and silks and satins pattern etc..Tooth form
Texture protrudes from surface, and has more sharp tooth engaged, can between the plane with tooth form texture and cooperation plane shape
At larger friction coefficient.
Special-shaped briquetting 3, the second connector 2 are sequentially passed through it is understood that locking state refers to trip bolt 4, and is revolved
Tightly in the threaded hole 111 of first lug 11, and the second connector 2 is clamped between first lug 11 and anisotropic briquetting 3.
As previously mentioned, special-shaped briquetting 3 is arranged in the special-shaped through-hole 121 in the second lug 12 of the first connector 1, and it is different
Type briquetting 3 can slide in special-shaped through-hole 121, that is to say, that special-shaped briquetting 3 is equipped with clearance fit or transition different
In type through-hole 121.
In addition, the cooperation between the outer profile and special-shaped through-hole 121 that pass through special-shaped briquetting 3 prevents special-shaped briquetting 3 in abnormal shape
Rotation in through-hole 121.To prevent special-shaped briquetting 3 from being rotated relative to the first connector 1.Advantageously, special-shaped briquetting 3 is outer
Profile and 121 profile of special-shaped through-hole are identical or essentially identical.
It should be pointed out that the technical solution that special-shaped briquetting 3 can rotate in the special-shaped through-hole 121 in the second lug 12
Also it is within the protection scope of the utility model.In addition, special-shaped briquetting 3 can be replaced with cylindric briquetting, and special-shaped through-hole 121
It can be replaced with circular hole, this is also within the protection scope of the utility model.
It is provided with circular through hole in special-shaped briquetting 3, to allow trip bolt 4 to pass through.The left side of special-shaped briquetting 13 is arranged
There is tooth form texture.That is, closing on or abutting (being to abut under impaction state) with the second connector 2 in special-shaped briquetting 13
Endface be provided with tooth form texture.To be rotated relative to the second lug 12 of the first connector 1 in special-shaped briquetting 3
In the case of, the tooth form texture on special-shaped briquetting 3 can increase what the second connector 2 of prevention was rotated relative to the first connector 1
Resistance.
As previously mentioned, trip bolt 4 is engaged to the first connection being screwed after special-shaped briquetting 13, the second connector 2
In first lug 11 on the left of part.Advantageously, carrying elastomeric pad, such as flat spring washer on trip bolt 4.This is conducive to improve
Anti-loosening property.It is understood that elastomeric pad is arranged between the head and briquetting of trip bolt 4.
Referring to Fig. 2, bar portion and the head junction of trip bolt 4 are provided with root grooving, with improve trip bolt 4 with it is different
Plane cooperation between type briquetting 3.
Still referring to Fig. 2, under tightening state, the head of trip bolt 4 is entirely located in the abnormal shape in the second lug 12 and leads to
In hole 121.That is, the sum of the head length of trip bolt 4 and the thickness of special-shaped briquetting 3 are less than the length of special-shaped through-hole 3.
Trip bolt 4 and special-shaped briquetting 3 are hidden in inside the first connector 1, keep beautiful.
The assemble sequence of the bracket locking device is as follows.Special-shaped briquetting 3 is packed into the special-shaped through-hole of connector 1 first
In 121；Then trip bolt 4 is passed through from the circular through hole of special-shaped briquetting 3, the connection also cross the second connector 2 is logical
Hole 21；Then trip bolt 4 is screwed into the threaded hole 111 of 1 left end of the first connector.
The operation principle of the bracket locking device is as follows.After trip bolt 4 is urgent, make trip bolt 4, special-shaped briquetting 3,
1 four connector 2, connector parts are in the state compressed mutually.When the first connector 1 and the second connector 2 have rotation to incline
Xiang Shi, the second connector 2 can be prevented rotation by frictional force at two.Such as Fig. 2, frictional force is the of the first connector 1 at first
The tooth form texture of frictional force between one lug 11 and the second connector 2,2 left side of the second connector can increase the frictional force.
Frictional force is the frictional force between the second connector 2 and special-shaped briquetting 3 at second.Since special-shaped briquetting 3 and the first connector 1 pass through
The fitting of special-shaped outer profile, special-shaped briquetting 3 can keep axial direction opposing stationary with the first connector 1, and special-shaped briquetting 3 will not follow the
Two connectors 2 rotate together.The tooth form texture of 3 left side of special-shaped briquetting can increase the frictional force at second.
When needing to adjust the angle between the first connector 1 and the second connector 2, the second connector can be firmly rotated
2 (or first connectors 1), make it that frictional force be overcome to rotate, and continue to keep locking in new position.Advantageously, can also fit
When unscrewing trip bolt 4, after being adjusted in place the one the first angles between connector 1 and the second connector 2, then screw tight
Gu screw 4.
The bracket locking device number of parts of the utility model is simplified, and is removed outside necessary two connectors of holder, only
Two additional parts：Special-shaped briquetting 3 and trip bolt 4.In addition, the bracket locking device of the utility model is easy to operate, dress
Matching and locking the structure only needs a urgent screw.Third, the utility model bracket locking device electrodeless angle may be implemented
It adjusts, it is only necessary to pull the first connector or the second connector, you can adjust the angle, without other tools.4th, appearance
Beauty, two additional parts all have preferable concealment.
It should be pointed out that the bracket locking device of the utility model is referred to as holder locking mechanism.
It is last it is to be noted that：Above example is only to illustrate the technical solution of the utility model, rather than limits it
System.It will be understood by those of ordinary skill in the art that：Can with technical scheme described in the above embodiments is modified, or
Person's equivalent replacement of some of the technical features；These modifications or replacements do not make the essence of corresponding technical solution de-
Spirit and scope from various embodiments of the utility model technical solution.
Claims (10)
1. a kind of bracket locking device, which is characterized in that including：First connector (1), the second connector (2), briquetting and fastening
Screw (4), first connector (1) include spaced first lug (11) and the second lug (12), and described second
Connector (2) is arranged with interval fit system between the first lug (11) and the second lug (12), the briquetting sliding
It is arranged in the through-hole of the second lug (12), the trip bolt (4) passes through the briquetting and second connector (2) to screw
In to the first lug (11), and an end face of the briquetting is abutted with second connector (2).
2. bracket locking device as described in claim 1, which is characterized in that the through-hole of second lug (12) is different
Type through-hole (121), the briquetting are special-shaped briquetting (3), the outer profile of the abnormal shape briquetting (3) and the special-shaped through-hole (121)
Cooperation prevents the special-shaped briquetting (3) rotation in the special-shaped through-hole (121).
3. bracket locking device as claimed in claim 2, which is characterized in that second connector (2) with described first
The adjacent endface of lug (11) is provided with tooth form texture.
4. bracket locking device as claimed in claim 2, which is characterized in that the abnormal shape briquetting (3) connects with described second
The endface that fitting (2) abuts is provided with tooth form texture.
5. the bracket locking device as described in any one of claim 1-4, which is characterized in that first connector (1) into
One step includes interconnecting piece (13), and the interconnecting piece (13) connects the first lug (11) and the second lug (12), and described
The side for closing on second connector (2) of interconnecting piece (13) is provided with arc groove (131).
6. bracket locking device as claimed in claim 5, which is characterized in that second connector (2) includes circular arc column
Portion (22), and circular arc columnar part (22) clearance fit is in the arc groove (131).
7. bracket locking device as claimed in claim 5, which is characterized in that the interconnecting piece (13), the first lug
(11) it is integrally formed with second lug (12).
8. the bracket locking device as described in any one of claim 1-4, which is characterized in that the bar of the trip bolt (4)
Portion is provided with root grooving with head junction.
9. the bracket locking device as described in any one of claim 1-4, which is characterized in that the head of the trip bolt (4)
Portion is entirely located in the through-hole of second lug (12).
10. the bracket locking device as described in any one of claim 1-4, which is characterized in that in the trip bolt (4)
It is provided with elastomeric pad between head and the briquetting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649119.7U CN207634474U (en) | 2017-12-01 | 2017-12-01 | A kind of bracket locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649119.7U CN207634474U (en) | 2017-12-01 | 2017-12-01 | A kind of bracket locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634474U true CN207634474U (en) | 2018-07-20 |
Family
ID=62855336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721649119.7U Active CN207634474U (en) | 2017-12-01 | 2017-12-01 | A kind of bracket locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634474U (en) |
-
2017
- 2017-12-01 CN CN201721649119.7U patent/CN207634474U/en active Active
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