CN107859841A - A kind of articulated joints based on cam limit - Google Patents

A kind of articulated joints based on cam limit Download PDF

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Publication number
CN107859841A
CN107859841A CN201711296280.5A CN201711296280A CN107859841A CN 107859841 A CN107859841 A CN 107859841A CN 201711296280 A CN201711296280 A CN 201711296280A CN 107859841 A CN107859841 A CN 107859841A
Authority
CN
China
Prior art keywords
bull stick
support bar
fluted disc
rod
rotating disk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201711296280.5A
Other languages
Chinese (zh)
Inventor
章显红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Rongchuang Zhigu Science and Technology Co Ltd
Original Assignee
Chengdu Rongchuang Zhigu Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Rongchuang Zhigu Science and Technology Co Ltd filed Critical Chengdu Rongchuang Zhigu Science and Technology Co Ltd
Priority to CN201711296280.5A priority Critical patent/CN107859841A/en
Publication of CN107859841A publication Critical patent/CN107859841A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/18Heads with mechanism for moving the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/242Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by spreading of the legs
    • F16M11/245Members limiting spreading of legs, e.g. "umbrella legs"
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed circuit television systems, i.e. systems in which the signal is not broadcast
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00Details of stands or supports
    • F16M2200/02Locking means

Abstract

The invention discloses a kind of articulated joints based on cam limit, the prison of the public transport road conditions violation information belonged in technical field of intelligent traffic takes the photograph device, its object is to provide a kind of stability of strutting system preferably articulated joints based on cam limit, effectively prevent support bar from collapsing under pressure.The connector includes upper support bar, lower support bar, it is additionally provided with support component, support component includes fluted disc, left anti-bull stick and right anti-bull stick, fluted disc includes the large fluted disc being coaxially disposed, small tooth plate, large fluted disc, the outer rim of small tooth plate is respectively provided with teeth, the lower chambers inwall of lower support bar is upper to be provided with rotatable rotating disk between two groups of anti-bull sticks, track is provided with rotating disk as oval groove, the end of left anti-bull stick, the end of right anti-bull stick is bending section, left connecting rod is hinged with the middle part of left anti-bull stick, right connecting rod is hinged with the middle part of right anti-bull stick, the other end of left connecting rod, the other end of right connecting rod passes through hinge, and one end of bearing pin is located in groove.

Description

A kind of articulated joints based on cam limit
Technical field
The invention belongs to technical field of intelligent traffic, is related to a kind of camera of public transport road conditions violation information.
Background technology
So-called prison violating the regulations takes the photograph device and just refers to " electronic eyes ", and " electronic eyes " is also known as " electronic police ", is that " intelligent transportation is disobeyed Chapter prison take the photograph management system " be commonly called as, start progressively to promote the use of after succeeding in developing in Shenzhen within 1997.Electronic eyes is by car Detection, photoelectronic imaging, automatically control, network service, the multiple technologies such as computer, motor vehicle is made a dash across the red light, driven in the wrong direction, is exceeded the speed limit, The more act of violating regulations such as line traveling, fault stop, realizes all weather surveillance, catches vehicle peccancy graph text information, and according to letter violating the regulations Breath carries out post-processing.
In the prior art, increasing camera by floor installation on cross bar, in base by the way of be hinged Upper and lower two groups of support bars are connected, camera inclination angle, the tune of height can be conveniently and efficiently realized by way of be hinged It is whole.Existing articulated structure, two groups of support bars are directly hinged together by jointed shaft, taken the photograph though so can quickly and easily adjust Inclination angle, height as head;But during adjustment inclination angle, height, there is not any be supported between two groups of support bars Structure, thus easily cause support bar highly adjust it is unstable, during the regulation support bar easily by it above take the photograph As head crushes.
The content of the invention
The goal of the invention of the present invention is:For solve prior art regulation height, inclination angle when support bar easily by it above Camera the problem of crushing, there is provided a kind of stability of strutting system preferably articulated joints based on cam limit, effectively prevent Support bar collapses under pressure.
To achieve these goals, the technical solution adopted by the present invention is:
A kind of articulated joints based on cam limit, including upper support bar, the lower support bar being hinged by jointed shaft, also Support component is provided with, support component includes in the upper chamber of upper support bar and is fixedly connected on the upper chamber of upper support bar Fluted disc on inwall, the bottom chamber positioned at lower support bar and the first from left right side are hinged on the left side on the lower chambers inwall of lower support bar Anti-bull stick and right anti-bull stick, fluted disc include large fluted disc, the small tooth plate being coaxially disposed, and large fluted disc, the outer rim of small tooth plate are provided with Tooth, the lower chambers inwall of lower support bar is upper to be provided with rotatable rotating disk between two groups of anti-bull sticks, is set on rotating disk There is track for oval groove, the end of left anti-bull stick, the end of right anti-bull stick are that can be caught in adjacent two tooth on same fluted disc Bending section, be hinged with left connecting rod in the middle part of left anti-bull stick, right connecting rod, the other end of left connecting rod, the right side be hinged with the middle part of right anti-bull stick The other end of connecting rod is by hinge, and one end of bearing pin is located in groove and can moved along the course bearing of groove.
Wherein, the central angle β of left connecting rod, right connecting rod respectively with pin joint A, B of rotating disk on rotating disk is 45 ° to 60 °.
Wherein, the major axis a of groove is equal to the 3/4 of rotating disk radius;The major axis b of groove is equal to the 2/5 of rotating disk radius.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows:
In the present invention, two groups of connecting rods are connected by bearing pin on rotating disk, when rotating rotating disk, the track of groove will pass through connecting rod Drive left anti-bull stick, right anti-bull stick synchronous rotary, so as to be caught in large fluted disc in left anti-bull stick, right anti-bull stick be caught in small tooth plate it Between switch over, realize either lifting or decline camera when, can all have any one in left anti-bull stick, right anti-bull stick Root anti-bull stick is caught in corresponding chuck, and so as to effectively prevent upper support bar, lower support bar from collapsing under pressure, improving should be based on cam limit The stability of strutting system of the articulated joints of position.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is caught in structural representation during small tooth plate for right anti-bull stick in the present invention;
Fig. 3 is caught in structural representation during large fluted disc for left anti-bull stick in the present invention;
Wherein, reference is:21- upper support bars, 22- lower support bars, 23- support components, 24- jointed shafts, 231- are small Fluted disc, 232- large fluted discs, 233- teeth, the right anti-bull sticks of 234-, the left anti-bull sticks of 235-, 236- left connecting rods, 237- rotating disks, the right companies of 238- Bar, 239- grooves.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not For limiting the present invention.
A kind of articulated joints based on cam limit, the connector can be applied to the lifting pedestal of camera, prevent Lifting pedestal is crushed by camera or other external force when adjusting camera inclination angle, height by lifting pedestal.The connector Including upper support bar, lower support bar, upper support bar, lower support bar are hinged by jointed shaft, so that upper support bar, lower support bar can Rotated around jointed shaft.The lower end of upper support bar is provided with upper chamber, the upper end of lower support bar is provided with lower chambers, on Chamber connects with lower chambers.Support component is additionally provided with, support component includes fluted disc and anti-bull stick.The fluted disc is arranged on upper chamber It is interior, and fluted disc is connected to by jointed shaft on the inwall of the upper chamber of upper support bar, and fluted disc can be with upper support bar around hinge The axis of spindle rotates.The fluted disc includes large fluted disc and small tooth plate, and large fluted disc, small tooth plate are coaxially disposed and are fixedly connected on one Rise, large fluted disc, small tooth plate together rotate with axis of the upper support bar around jointed shaft.Large fluted disc, the outer rim of small tooth plate are all provided with Tooth is equipped with, consequently facilitating limiting the rotation of upper support bar by way of limiting tooth.The anti-bull stick includes left anti-bull stick and the right side Anti-bull stick, left anti-bull stick, right anti-bull stick are located at the left and right sides of lower chambers.Left anti-bull stick, the bottom of right anti-bull stick are hinged to On the inwall of the lower chambers of lower support bar, left anti-bull stick, the other end of right anti-bull stick are stretched into upper chamber, so that left anti-bull stick, The chamber internal rotation that right anti-bull stick can form in upper chamber, lower chambers.Left anti-bull stick, the other end of right anti-bull stick are bending Portion, so that the bending section of left anti-bull stick more easily are caught in into small tooth plate when rotating left anti-bull stick or right anti-bull stick Between adjacent two tooth, the bending section of right anti-bull stick is caught between adjacent two tooth of large fluted disc.In the lower chambers of lower support bar Rotating disk is additionally provided with wall, rotating disk can rotate freely on the inwall of lower support bar.The end of left anti-bull stick, the end of right anti-bull stick Portion is the bending section that can be caught in adjacent two tooth on same fluted disc, and left connecting rod, right anti-bull stick middle part are hinged with the middle part of left anti-bull stick Right connecting rod is hinged with, the other end of left connecting rod, the other end of right connecting rod are by hinge, and one end of bearing pin is located in groove And it can be moved along the course bearing of groove.
During work, during camera is lifted, rotating disk is first rotated, the position of bearing pin can be limited by the track of groove Put, it is final to realize the between cog that the bending section of right anti-bull stick is caught in large fluted disc so as to drive left anti-bull stick, the rotation of right anti-bull stick; Then upper support bar, lower support bar are rotated, during being rotated against between upper support bar, lower support bar, large fluted disc is by phase The bending section of right anti-bull stick is rotated, now the tooth on large fluted disc is capable of toward the bending section for right anti-bull stick of extrapolating, and by right anti-rotation The bending section of bar is caught in remaining corresponding between cog of large fluted disc, due to the between cog for having bending section to be caught in large fluted disc, so as to limit Large fluted disc processed rotates backward, and so as to realize when rotating upper support bar, lower support bar, can only ensure upper support bar, lower support bar Rotate, can not rotate in opposite direction along some direction, so as to realize by rotating upper support bar, lower support bar When, it can prevent upper support bar, lower support bar from rotating backward, improve the stability of the connector, prevent the later stage by camera pressure Collapse.Conversely, during camera is declined, rotary turnplate, by the position of groove limitation bearing pin, so as to drive left anti-rotation Bar, the rotation of right anti-bull stick, final realize make the bending section of left anti-bull stick be caught in the between cog of small tooth plate, then operation principle, process As principle, process with lifting camera.In addition, by rotary turnplate, right anti-bull stick rotation or left anti-bull stick can be driven Rotation, and corresponding bending section is caught in corresponding tooth;The application, can be in " the bending of right anti-bull stick by rotary turnplate Portion is caught between cog ", " bending section of left anti-bull stick is caught between cog ", " bending section of left anti-bull stick, the bending section of right anti-bull stick are blocked Enter between cog ", cut between " bending section of left anti-bull stick, the bending section of right anti-bull stick are not caught between cog " these four states Change, so as to meet the needs of different.In the state of " bending section of left anti-bull stick, the bending section of right anti-bull stick are caught between cog " When, the inclination angle of camera can not be adjusted;In the shape of " bending section of left anti-bull stick, the bending section of right anti-bull stick are not caught between cog " During state, the inclination angle of camera can be arbitrarily adjusted, and connector has the risk to collapse under pressure during adjustment;" right anti-bull stick Bending section is caught between cog ", " bending section of left anti-bull stick is caught between cog " two states when, can arbitrarily adjust inclining for camera Angle, and can only solely be realized during adjusting and rise or drop, will be limited when direction is moved, and the mechanism energy for passing through " click " Connector is enough placed to collapse under pressure.
As preferred implementation, the left connecting rod, the right connecting rod central angle with pin joint A, B of rotating disk on rotating disk respectively β is 45 ° to 60 °.
As preferred implementation, the major axis a of groove is equal to the 3/4 of rotating disk radius;The major axis b of groove is equal to rotating disk radius 2/5.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.

Claims (3)

1. a kind of articulated joints based on cam limit, including pass through the be hinged upper support bar (21) of jointed shaft (24), lower branch Strut (22), it is characterised in that:Support component (23) is additionally provided with, support component (23) is included positioned at the upper of upper support bar (21) In chamber and be fixedly connected in the epicoele chamber interior walls of upper support bar (21) fluted disc, the bottom chamber positioned at lower support bar (22) And one the first from left right side be hinged on left anti-bull stick (235) and right anti-bull stick (234) on the lower chambers inwall of lower support bar (22), fluted disc Including large fluted disc (232), the small tooth plate (231) being coaxially disposed, large fluted disc (232), the outer rim of small tooth plate (231) are respectively provided with teeth (233), the lower chambers inwall of lower support bar (22) is upper is provided with rotatable rotating disk between two groups of anti-bull sticks (237) track, is provided with rotating disk (237) as oval groove (239), the end of left anti-bull stick (235), right anti-bull stick (234) end is the bending section that can be caught in adjacent two tooth (233) on same fluted disc, is hinged with the middle part of left anti-bull stick (235) Left connecting rod (236), right anti-bull stick (234) middle part are hinged with right connecting rod (238), the other end, the right connecting rod of left connecting rod (236) (238) the other end is by hinge, and one end of bearing pin is located in groove (239) and can be along the track side of groove (239) To movement.
A kind of 2. articulated joints based on cam limit as claimed in claim 1, it is characterised in that:Left connecting rod (236), the right side Central angle β of the connecting rod (238) respectively with pin joint A, B of rotating disk (237) on rotating disk (237) is 45 ° to 60 °.
A kind of 3. articulated joints based on cam limit as claimed in claim 1, it is characterised in that:The length of groove (239) Axle a is equal to the 3/4 of rotating disk (237) radius;The major axis b of groove (239) is equal to the 2/5 of rotating disk (237) radius.
CN201711296280.5A 2017-12-08 2017-12-08 A kind of articulated joints based on cam limit Withdrawn CN107859841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711296280.5A CN107859841A (en) 2017-12-08 2017-12-08 A kind of articulated joints based on cam limit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711296280.5A CN107859841A (en) 2017-12-08 2017-12-08 A kind of articulated joints based on cam limit

Publications (1)

Publication Number Publication Date
CN107859841A true CN107859841A (en) 2018-03-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711296280.5A Withdrawn CN107859841A (en) 2017-12-08 2017-12-08 A kind of articulated joints based on cam limit

Country Status (1)

Country Link
CN (1) CN107859841A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111140732A (en) * 2019-12-10 2020-05-12 中国航空工业集团公司金城南京机电液压工程研究中心 Multifunctional vehicle-mounted mobile phone support

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111140732A (en) * 2019-12-10 2020-05-12 中国航空工业集团公司金城南京机电液压工程研究中心 Multifunctional vehicle-mounted mobile phone support

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Application publication date: 20180330

WW01 Invention patent application withdrawn after publication