CN102392927B - Axial-rotation self-locking device for camera - Google Patents
Axial-rotation self-locking device for camera Download PDFInfo
- Publication number
- CN102392927B CN102392927B CN201110341511.6A CN201110341511A CN102392927B CN 102392927 B CN102392927 B CN 102392927B CN 201110341511 A CN201110341511 A CN 201110341511A CN 102392927 B CN102392927 B CN 102392927B
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- mandrel
- spring
- axle sleeve
- axial
- steel
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Abstract
The invention relates to an axial-rotation self-locking device for a camera, which is characterized in that one end of a mandrel successively passes through a shaft hole of a shaft sleeve, a spring, and an Locknut of the spring; a plurality of steel balls are respectively arranged in a steel ball groove A and a steel ball groove B between the shaft sleeve and the mandrel in butt joint, and the steel balls are in slide fit; a round projection at one end of a connection rod is disposed in a blind hole at the other end of the mandrel, and is fixed with the mandrel through a connection sleeve; a fixing flange is connected with one end of the shaft sleeve; and the locknut is in threaded connection with the shaft sleeve through external threads so as to compact the fixing flange. The device in the invention has the following beneficial effects: the problem of inconvenience in orientation and self-locking and fastening during the axial rotation of the equipment is solved; the load bearing of the pressure spring can be changed by adjustment of the spring, and the load bearing of the device can be accordingly increased and decreased. The axial-rotation self-locking device has the characteristics of simple operation and maintenance, wide application range, high flexibility and the like. The axial-rotation self-locking device can also be applied to other equipment with directivity, such as probe needles, probe heads, illuminating lights and the like.
Description
Technical field
The present invention relates to be used in a kind of video monitoring the axial rotary self-locking device of vidicon camera.
Background technique
In the equipment installation process, need adjust artificially in the time of the support adjustment of existing fixed vidicon camera or other equipment (as: infrared lamp, probe) and lock fixing, and need carry out repetitive operation to adjustment process when regulating again after once fixing, and can't control the angle of vidicon camera or miscellaneous equipment pitching and rotation accurately, increased labor intensity of operating personnel.
Summary of the invention
Deficiency in view of prior art exists the invention provides a kind of axial rotary self-locking device for vidicon camera.
The present invention for achieving the above object, the technological scheme of taking is: a kind of axial rotary self-locking device for vidicon camera, it is characterized in that: comprise that spring locking is female, spring, locknut, axle sleeve, steel ball, mandrel, connecting sleeve, connecting rod, fastening flange, described bearing is made of the cylindrical body of two different-diameters that are made as one, be provided with axis hole at cylindrical circle centre position, be respectively equipped with big round recessed in cylindrical both ends of the surface, little round recessed, on big round recessed groove inner face, equidistantly be provided with several steel bead grooves A, be provided with steel ball between each steel bead groove A and skid off groove, be provided with a circle outside thread at the small cylinder periphery; Described mandrel is made of the cylindrical body of three different-diameters that are made as one, be provided with symmetrical several steel bead grooves B of steel bead groove A that is provided with axle sleeve at the large cylinder end face, periphery at small cylinder one end is provided with outside thread, be provided with blind hole at middle cylindrical body one end face, be provided with through hole on one's body at middle cylindrical body; Described spring one end places the little round recessed of axle sleeve one end, the round recessed that the other end of spring places spring locking mother to be provided with, axis hole, spring and spring locking mother that one end of described mandrel passes axle sleeve successively are spirally connected, several described steel balls are separately positioned among steel bead groove A between the butt joint of axle sleeve and mandrel and the steel bead groove B and are slidingly matched, the boss of described connecting rod one end works the blind hole that places the mandrel the other end and is fixed together by connecting sleeve and mandrel, described fastening flange is connected with axle sleeve one end, and described locknut and axle sleeve external thread bolt connection compress fastening flange.
The invention has the beneficial effects as follows: compared with prior art, this device adopts the spring pressuring method, by the displacement of steel ball limited angular, the equipment that solved inconvenience location in the process of axially rotation, the fastening problem of inconvenience self-locking, different Environmental Conditions is selected different pressure springs, and changes its load-bearing by the adjusting to pressure spring, and the load-bearing of installing is increased and decreased accordingly; Can realize the self-locking of relevant position angle by increase and decrease steel ball quantity or change in location; In use, by manually-operable fixed angle self-locking device it is adjusted to the desired angle position; Owing to adopt manual mode, save namely that cost is flexible again can be parked in respective angles point by manually-operable.This device can be made corresponding external member according to client's needs and carry out being used in combination more than two, and according to relevant device deadweight, volume rapidoprint is selected.As: practical materials such as steel, aluminum alloy, polyurethane.Characteristics such as it is simple to have Operation and Maintenance, and using scope is wide, and flexibility is strong.The present invention can also be applied to other equipment with Directivity, as probe, probe, lighting burner etc.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is axle sleeve sectional view of the present invention.
Fig. 3 is axle sleeve worm's eye view of the present invention.
Fig. 4 is mandrel sectional view of the present invention.
Fig. 5 is mandrel plan view of the present invention.
Embodiment
Shown in Fig. 1～5, a kind of axial rotary self-locking device for vidicon camera, comprise spring locking female 1, spring 2, locknut 3, axle sleeve 4, steel ball 5, mandrel 6, connecting sleeve 7, connecting rod 8, fastening flange 9, described bearing 4 is made of the cylindrical body of two different-diameters that are made as one, be provided with axis hole 4-1 at cylindrical circle centre position, be respectively equipped with big round recessed 4-2 in cylindrical both ends of the surface, roundlet groove 4-3, on big round recessed 4-2 groove inner face, equidistantly be provided with several steel bead grooves A4-4, be provided with steel ball between each steel bead groove A4-4 and skid off groove 4-5, be provided with a circle outside thread 4-6 at the small cylinder periphery; Mandrel 6 is made of the cylindrical body of three different-diameters that are made as one, be provided with symmetrical several steel bead grooves B6-1 of steel bead groove A4-4 that is provided with axle sleeve 4 at the large cylinder end face, periphery at small cylinder one end is provided with outside thread 6-2, be provided with blind hole 6-3 at middle cylindrical body one end face, be provided with through hole 6-4 on one's body at middle cylindrical body; Spring 2 one ends place the roundlet groove 4-3 of axle sleeve 4 one ends, the other end of spring 2 places the female 1 round recessed 1-1 that is provided with of spring locking, one end of mandrel 6 passes the axis hole 4-1 of axle sleeve 4 successively, spring 2 is spirally connected with spring locking female 1, several described steel balls 5 are separately positioned among steel bead groove A4-4 between 6 butt joints of axle sleeve 4 and mandrel and the steel bead groove B6-1 and are slidingly matched, the boss of connecting rod 8 one ends plays 8-1 and places the blind hole 6-3 of mandrel 6 the other ends to be fixed together by connecting sleeve 7 and mandrel 6, fastening flange 9 is connected with axle sleeve 4 one ends, and locknut 3 is spirally connected with axle sleeve 4 outside thread 4-6 fastening flange 9 is compressed.
Installation and using method and working principle
As shown in Figure 1, by locknut 3 axial rotary self-locking device is fixed on the fastening flange 9, lower end fixed equipment such as the vidicon camera of connecting rod 8 can use connecting sleeve 7 and 8 pairs of mandrels of connecting rod 6 to carry out corresponding length adjustment according to the needs of site environment.Adopt horizontal installation or vertical installation according to actual needs.Different users need respective angles increase or the numerical value increase of the minimizing symmetrical steel ball quantity of placement (even number) change angle or the variation of minimizing angle in course of working.
Claims (1)
1. axial rotary self-locking device that is used for vidicon camera, comprise spring locking female (1), spring (2), locknut (3), axle sleeve (4), steel ball (5), it is characterized in that: also comprise mandrel (6), connecting sleeve (7), connecting rod (8), fastening flange (9), described axle sleeve (4) is made of the cylindrical body of two different-diameters that are made as one, be provided with axis hole (4-1) at cylindrical circle centre position, be respectively equipped with big round recessed (4-2) in cylindrical both ends of the surface, little round recessed (4-3), on big round recessed (4-2) groove inner face, equidistantly be provided with several steel bead grooves A(4-4), each steel bead groove A(4-4) is provided with steel ball between and skids off groove (4-5), be provided with a circle outside thread (4-6) at the small cylinder periphery; Described mandrel (6) is made of the cylindrical body of three different-diameters that are made as one, be provided with the steel bead groove A(4-4 that is provided with axle sleeve (4) at the large cylinder end face) symmetrical several steel bead grooves B(6-1), periphery at small cylinder one end is provided with outside thread (6-2), be provided with blind hole (6-3) at middle cylindrical body one end face, be provided with through hole (6-4) on one's body at middle cylindrical body; Described spring (2) one ends place the little round recessed (4-3) of axle sleeve (4) one ends, the round recessed (1-1) that the other end of spring (2) places spring locking female (1) to be provided with, one end of described mandrel (6) passes the axis hole (4-1) of axle sleeve (4) successively, spring (2) is spirally connected with spring locking female (1), several described steel balls (5) are separately positioned on the steel bead groove A(4-4 between the butt joint of axle sleeve (4) and mandrel (6)) and steel bead groove B(6-1) in be slidingly matched, the boss of described connecting rod (8) one ends plays (8-1) and places the blind hole (6-3) of mandrel (6) the other end to be fixed together by connecting sleeve (7) and mandrel (6), described fastening flange (9) is connected with axle sleeve (4) one ends, and described locknut (3) is spirally connected with axle sleeve (4) outside thread (4-6) fastening flange (9) is compressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110341511.6A CN102392927B (en) | 2011-11-02 | 2011-11-02 | Axial-rotation self-locking device for camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110341511.6A CN102392927B (en) | 2011-11-02 | 2011-11-02 | Axial-rotation self-locking device for camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102392927A CN102392927A (en) | 2012-03-28 |
| CN102392927B true CN102392927B (en) | 2013-07-10 |
Family
ID=45860289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110341511.6A Expired - Fee Related CN102392927B (en) | 2011-11-02 | 2011-11-02 | Axial-rotation self-locking device for camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102392927B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105558B (en) * | 2018-02-07 | 2024-02-20 | 国网黑龙江省电力有限公司大兴安岭供电公司 | Height lifting device and method for adjustable video conference display |
| CN112628280A (en) * | 2021-01-06 | 2021-04-09 | 云南中烟工业有限责任公司 | Rotating mechanism and using method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2262156Y (en) * | 1996-12-13 | 1997-09-10 | 张弘迪 | Tripot structure |
| CN200979644Y (en) * | 2006-11-14 | 2007-11-21 | 何济仪 | A tilt for photography |
| CN201497848U (en) * | 2009-08-21 | 2010-06-02 | 北京屹立方兴影视技术有限公司 | Mid-spreader |
| CN201820063U (en) * | 2010-11-01 | 2011-05-04 | 天津市电视技术研究所 | Angle-fixing self-locking device for camera used in video monitoring |
| CN202327559U (en) * | 2011-11-02 | 2012-07-11 | 天津市电视技术研究所 | Axial rotation self-locking device for camera |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005036951A (en) * | 2003-07-17 | 2005-02-10 | Koichi Suzumori | Mechanism of fixing and releasing shaft or pipe sliding in inner diameter of pipe |
| CN100450149C (en) * | 2003-10-03 | 2009-01-07 | 古河机械金属株式会社 | Pedestal for camera |
| JP2007292868A (en) * | 2006-04-21 | 2007-11-08 | Fujifilm Corp | Camera and charging method |
-
2011
- 2011-11-02 CN CN201110341511.6A patent/CN102392927B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2262156Y (en) * | 1996-12-13 | 1997-09-10 | 张弘迪 | Tripot structure |
| CN200979644Y (en) * | 2006-11-14 | 2007-11-21 | 何济仪 | A tilt for photography |
| CN201497848U (en) * | 2009-08-21 | 2010-06-02 | 北京屹立方兴影视技术有限公司 | Mid-spreader |
| CN201820063U (en) * | 2010-11-01 | 2011-05-04 | 天津市电视技术研究所 | Angle-fixing self-locking device for camera used in video monitoring |
| CN202327559U (en) * | 2011-11-02 | 2012-07-11 | 天津市电视技术研究所 | Axial rotation self-locking device for camera |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102392927A (en) | 2012-03-28 |
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Granted publication date: 20130710 Termination date: 20211102 |