CN110185897A - A kind of cam and cam pack for vehicle display - Google Patents
A kind of cam and cam pack for vehicle display Download PDFInfo
- Publication number
- CN110185897A CN110185897A CN201910498519.XA CN201910498519A CN110185897A CN 110185897 A CN110185897 A CN 110185897A CN 201910498519 A CN201910498519 A CN 201910498519A CN 110185897 A CN110185897 A CN 110185897A
- Authority
- CN
- China
- Prior art keywords
- cam
- area
- shaft
- assigned
- vehicle display
- 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.)
- Granted
Links
- 230000007704 transition Effects 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000011159 matrix material Substances 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0001—Arrangements for holding or mounting articles, not otherwise provided for characterised by position
- B60R2011/0003—Arrangements for holding or mounting articles, not otherwise provided for characterised by position inside the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
- B60R2011/008—Adjustable or movable supports
- B60R2011/0085—Adjustable or movable supports with adjustment by rotation in their operational position
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
A kind of cam and cam pack for vehicle display, it is intended to which the corner positioning mechanism for solving Vehicular display device in the prior art is more complex, the lower technical problem of serious forgiveness.The present invention includes a kind of cam for vehicle display, the upright projection of cam contour curved surface is the contour curve in circular ring shape, contour curve, which is equipped with, closes area, opens area and the area Guo Xian, it closes area and opens and be equipped with transition region between area, open the one end in the other end connection area Guo Xian in area, the other end in the area Guo Xian is connected with self-locking area, the round angle for closing area is assigned as 0 ~ 5 °, the round angle of transition region is assigned as 5 ~ 80 °, the round angle for opening area is assigned as 80 ~ 130 °, the round angle in the area Guo Xian is assigned as 130 ~ 170 °, and the round angle of self-locking area is assigned as 170 ~ 180 °.When the present invention is applied to Vehicular display device, positioning can be automatically formed by turning to special angle；When Vehicular display device is collided in the on-state, low-angle offset can occur, eliminate partial reaction load.
Description
Technical field
The present invention relates to a kind of cams and cam pack for vehicle display.
Background technique
There are two types of Vehicular display devices point, and one is small size Vehicular display device, another kind is located in above car and watches
TV, be substantially exactly in-car TV；Application of the invention focuses on in-car TV.Currently, in-car TV at
For the necessary equipment of middle-long distance car, the uninteresting atmosphere of interior space has effectively been mitigated, has become middle-long distance passenger and kills time
Important tool.To watch convenient for passenger, in-car TV is often mounted in passageway, but this to a certain extent can be to the upper of passenger
It gets off and impacts, therefore, used in-car TV is designed to retractable mechanism.When car is located at station, in-car TV
It packs up and is fitted on car ceiling；When bus driving, in-car TV rotating opening.After in-car TV rotating opening, need
As soon as being fixed on a proper angle in order to passenger's viewing, which kind of structure to realize that above-mentioned rotational angle positioning seems extremely heavy by
It wants.
The Chinese patent that Authorization Notice No. is 206694399 U of CN discloses a kind of turning gear and display bracket, packet
Include shaft, fixed bracket, locking member, fixed cam, rotation cam and elastic component of the one end with end cap；The shaft it is another
End sequentially passes through the elastic component, rotation cam, fixed cam and the fixed bracket, and is connected with the locking member；Institute
It states rotation cam and the fixed cam meshing closes, the fixed cam is mutually fixedly connected with the fixed bracket, the shaft
It drives the rotation cam to rotate when rotation, cam and the fixed bracket are fixed described in the rotation cam driven while turning
It is dynamic.
In above-mentioned patent, rotation cam and fixed cam meshing are closed, rotate the peak and valley of cam respectively with fixed cam
Peak and valley is corresponding, and fixed cam is mutually fixedly connected with fixed bracket, and rotation cam rotation is driven when shaft rotates, rotates cam
Fixed cam and fixed bracket is driven to rotate simultaneously, after rotating by a certain angle, under rotation cam and fixed cam effect
Playback can be slid back to automatically, do not carry out rotation playback again manually.
Above-mentioned utility model, which passes through the rotation cam being meshed and fixed cam, may be implemented to rotate in-car TV
0 ~ 180 ° of limit of angle, and automatic homing may be implemented.But European Common Market provides, to locomotive and its safety zero
Aftermarket product is both needed to according to European Union's decree (EEC Directives) and Economic Commission for Europe's regulation (ECE Regulation)
Regulation carry out E-MARK certification；Wherein, for objective vehicle display, relevant authentication standard provides the display in viewed status
Along loading direction Small-angle Rotation should can occur for device after by impact loading；When the head of passenger accidentally strikes display
When device, display is separated under the action of impact load with head of passenger, to avoid head of passenger because damaging caused by hard collision.
After above-mentioned utility model carries out corner locating to in-car TV, in-car TV is fixed, and can not be sent out under the action of impact load
Raw low-angle offset, therefore passenger and the collision between it are hard collision, passenger is easy to injury.
In addition, middle-long distance car is the ride comfort for guaranteeing passenger, seat is tilting design, and human eye viewing
Best angle is that sight and in-car TV screen are substantially vertical；Seat tilt angle is taken into account, in-car TV, which is in, to be stablized
When opening state, the optimum angle range between ceiling is 110 ° or so.If Authorization Notice No. is CN 102734614
The Chinese patent of B discloses a kind of foldable display bracket, comprising: screen mount is used to fixed mask, the screen branch
Frame lower end is equipped at least one pivot part, which is equipped with limiting section；Pedestal is equipped with pin joint seat；Support arm has at least
One upper articulated section and at least one lower articulated section, articulated section is pivotally connected by the pivot part of upper shaft and the screen mount on this,
The lower articulated section is pivotally connected by the pin joint seat of lower rotary shaft and the pedestal, and the side of the support arm is equipped at least one interlinked mechanism
To interlock the upper shaft and lower rotary shaft；The upper shaft includes mandrel and the first cam being set in the mandrel, the second cam, limit
Bit slice and the first elastic parts, the first cam and the second cam are respectively provided at least one convex block, which is equipped with backstop
Portion, the limiting section of the stopper section and the screen mount can mutual backstop, rotated to limit screen within the scope of first angle；When
When the support arm is rotated by lower rotary shaft, which interlocks first cam and the second cam relative rotation, when first convex
The convex block of the convex block of wheel and the second cam be in contact ejection when, which can move axially, and the limit film is pushed to make it
The limiting section of the screen mount is left in stopper section, and screen is enable to rotate within the scope of second angle.
Invention described above provide a kind of foldable display bracket, when support frame unlocks expansion from folding state, screen
Curtain, which turns to special angle, can form positioning, specifically, above-mentioned support frame can also at 110 ° or so by the micro-adjustment to component
Realize positioning；But the corner positioning mechanism of foregoing invention is extremely complicated, the serious forgiveness of mechanism is lower.
Summary of the invention
The main object of the present invention is to provide a kind of cam and cam pack, and the cam and cam pack are applied to vehicle
When carrying display, Vehicular display device, which turns to special angle, can automatically form positioning.
It is a further object to provide a kind of cam and cam packs, and the cam and cam pack are applied to
Vehicular display device, when Vehicular display device is collided in the on-state, low-angle offset can occur for Vehicular display device, in turn
Eliminate partial reaction load.
To achieve the goals above, the present invention adopts the following technical scheme that.
A kind of cam for vehicle display, the upright projection of cam contour curved surface are the contour curve in circular ring shape,
Contour curve, which is equipped with, closes area, opens area and the area Guo Xian, closes between area and opening area and is equipped with transition region, opens the another of area
The one end in the end connection area Guo Xian, the other end in the area Guo Xian are connected with self-locking area, and the round angle for closing area is assigned as 0 ~ 5 °, transition region
Round angle is assigned as 5 ~ 80 °, and the round angle for opening area is assigned as 80 ~ 130 °, and the round angle in the area Guo Xian is assigned as 130 ~ 170 °, self-locking area
Round angle is assigned as 170 ~ 180 °.
The upright projection of cam contour curved surface is the contour curve in circular ring shape, wherein the inner ring of cam, which can be socketed in, to be turned
On dynamic component, to make cam unitary rotation under the drive of rotatable parts.Cam in above-mentioned technical proposal is applied to vehicle
Display is carried, closing area is corresponding with the initial closed state of Vehicular display device, opens the viewed status pair in area and Vehicular display device
It answers, self-locking area is corresponding with the overturning closed state of Vehicular display device.Specifically, when Vehicular display device is in initial closed state
When, the angle between vehicle ceiling is 0 ~ 5 °, and the correspondence round angle for closing area is 0 ~ 5 °；After Vehicular display device rotates 75 °
Viewed status is arrived at, this rotation process corresponds to the transition region on cam, and corresponding round angle is 5 ~ 80 °；It is seen when Vehicular display device is in
When seeing state, the angle between vehicle ceiling is 80 ~ 130 °, and the correspondence round angle for opening area is 80 ~ 130 °；Car-mounted display
Device arrives at overturning closed state after continuing to rotate 40 °, this rotation process correspond to the area cam Shang Guoxian, corresponding round angle for 130 ~
170°；When Vehicular display device is in overturning closed state, the angle between vehicle ceiling is 170 ~ 180 °, self-locking area
Correspondence round angle be 170 ~ 180 °.The each position state in each region and Vehicular display device on cam corresponds, to cam wheel
The round angle distribution in each region is adjusted on wide curve, so that it may realize the adjustment of Vehicular display device location status.The present invention is logical
Above-mentioned technical proposal is crossed, positioning can be automatically formed by so that Vehicular display device is turned to special angle.
The distribution preferably, contour curve of cam is centrosymmetric.
By being described above it is found that the round angle to 0 ~ 180 ° on cam profile curve carries out subregion, so that it may meet vehicle-mounted
Display changes requirement from initial closed state to viewed status, then to the location status of overturning closed state；But unilateral turn
Dynamic structure is unstable, and cam is once worn, and the position precision of Vehicular display device will decline to a great extent.In the present invention
The contour curve of cam is designed as central symmetry shape, by same area centrosymmetric on cam to the position of Vehicular display device
The state of setting is determined；Specifically, when Vehicular display device is in initial closed state, with the angle between vehicle ceiling
It is 0 ~ 5 °, the correspondence round angle for closing area is 0 ~ 5 ° and 180 ~ 185 °；Vehicular display device arrives at viewed status after rotating 75 °, this turn
Dynamic process corresponds to the transition region on cam, and corresponding round angle is 5 ~ 80 ° and 185 ~ 260 °；When Vehicular display device is in viewed status
When, the angle between vehicle ceiling is 80 ~ 130 °, and the correspondence round angle for opening area is 80 ~ 130 ° and 260 ~ 310 °；It is vehicle-mounted
Display arrives at overturning closed state after continuing to rotate 40 °, this rotation process corresponds to the area cam Shang Guoxian, and corresponding round angle is
130 ~ 170 ° and 310 ~ 350 °；When Vehicular display device is in overturning closed state, the angle between vehicle ceiling is
170 ~ 180 °, the correspondence round angle of self-locking area is 170 ~ 180 ° and 350 ~ 360 °.It is convex when Vehicular display device is in any position state
There are two centrosymmetric same structural region alignment to be positioned on wheel, and the position precision of Vehicular display device is substantially improved.
Preferably, in the floor projection of cam contour curved surface, the homologous thread in the area Guo Xian and the homologous thread of self-locking area
Position is continuous, and the radius of curvature of each point is respectively less than the radius of curvature of each point on the homologous thread of self-locking area on the area Guo Xian homologous thread,
It is seamlessly transitted between the homologous thread in remaining each area.
Since in the floor projection of cam contour curved surface, the homologous thread in the area Guo Xian and the homologous thread position of self-locking area connect
Continuous, the radius of curvature of each point is respectively less than the radius of curvature of each point on the homologous thread of self-locking area on the area Guo Xian homologous thread, vehicle-mounted aobvious
When showing that device enters overturning closed state by viewed status, biggish external load is needed to drive；Based on this, when Vehicular display device into
Enter after overturning closed state, vibration angle of the Vehicular display device under the effect of lesser oscillating load, between vehicle ceiling
It will be defined in the range of 170 ~ 180 °, to form the locking phenomenon under less vibration load.When Vehicular display device is being opened
When being collided under state, due to being seamlessly transitted between the homologous thread in remaining each area, work of the Vehicular display device in impact load
With lower pivot offset, dissipated partial reaction load, damage will not be generated when passenger collides Vehicular display device, to meet
The relevant regulations of E-MARK.
Preferably, cam includes high-order and low level, high-order to open area, low level is closing area.
It has been introduced in background technique, seat tilt angle has been taken into account, in-car TV is in when stablizing opening state,
Optimum angle range between ceiling is 110 ° or so；Cam of the present invention includes high-order and low level, and a high position is being beaten
Area is opened, low level may be designed as 110 ° in closing area, high-order corresponding round angle angle, thus can be automatic after opening Vehicular display device
Positioning watches angle to best.
A kind of cam pack for vehicle display, including the cam, cam are fixedly set in shaft, further include
It is connected in shaft and slides laterally block, the one end for sliding laterally block is equipped with contact jaw, and it is bent that contact jaw is bonded the profile on cam
Face, the other end for sliding laterally block are connected with the one end for the elastic component being sleeved in shaft, the other end of elastic component be mounted on
Adjusting block in shaft abuts against.
Cam is fixedly set in shaft, and the one end for sliding laterally block being connected in shaft is equipped with contact jaw, contact jaw
The contour surface being bonded on cam.When cam is with shaft unitary rotation, the contact jaw to fit with cam contour curved surface is along convex
It is mobile to take turns contour surface；When contact jaw is from the high position on cam to lower position, block is slid laterally along shaft close to cam, even
It connects and is stretched in the elastic component for sliding laterally the block other end, Vehicular display device enters closed state by opening state；When contact jaw from
Low level on cam slides laterally block along shaft far from cam, is connected to the bullet for sliding laterally the block other end to when high position movement
Property part shrink, Vehicular display device enters opening state by closed state.
Preferably, contact jaw includes two engagement shafts and the contact roller being sleeved on engagement shaft positioned opposite, connect
Touching roller is rotatably connected on engagement shaft, is contacted between contact roller and the contour surface of cam for line.
Contact jaw includes two engagement shafts positioned opposite and the contact roller being sleeved on engagement shaft, contact roller rotation
It is connected on engagement shaft, is contacted between contact roller and the contour surface of cam for line；When the two mechanisms relative motion of line contact
Rolling friction is done, frictional resistance is smaller, it is only necessary to which the driving load of very little, cam, which can push, slides laterally block movement.
Preferably, the central axis of contact roller intersects and vertical with the central axis of cam.
The central axis of contact roller intersects and vertical with the central axis of cam, it is ensured that actuated by cams slides laterally block
It when movement, drives the direction of load and shaft axially consistent, occurs to roll phenomenon during exercise to prevent from sliding laterally block.
Preferably, the central axis for sliding laterally block is conllinear with the central axis of cam, slides laterally block and driven in cam
It can laterally move along shaft under dynamic.
The central axis for sliding laterally block is conllinear with the central axis of cam, it is ensured that actuated by cams slides laterally block movement
When, it drives the direction of load and shaft axially consistent, occurs to roll phenomenon during exercise to prevent from sliding laterally block.
Preferably, adjusting block is caging bolt, shaft is equipped with thread segment, and caging bolt is threadedly coupled thread segment, limit
Position bolt liftable is connected on thread segment.
The cam and cam pack are applied to car-mounted display in conclusion the invention has the following beneficial effects: (1)
When device, Vehicular display device, which turns to special angle, can automatically form positioning；(2) cam and cam pack are applied to vehicle
Display is carried, when Vehicular display device is collided in the on-state, low-angle offset can occur for Vehicular display device, and then disappear
Except partial reaction load；(3) when Vehicular display device is in any position state, there are two centrosymmetric with knot on cam
Structure region alignment is positioned, and the position precision of Vehicular display device is substantially improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cam in the present invention.
Fig. 2 is the round angle distribution schematic diagram of cam in the present invention.
Fig. 3 is another structural schematic diagram of cam in the present invention.
Fig. 4 is the structural schematic diagram of cam pack entirety in the present invention.
Fig. 5 is the structural schematic diagram that block is slid laterally in the present invention.
Fig. 6 is another structural schematic diagram that block is slid laterally in the present invention.
Fig. 7 is the structural schematic diagram of cam pack when Vehicular display device is closed in the present invention.
Fig. 8 is the structural schematic diagram of cam pack when Vehicular display device is opened in the present invention.
In figure: 1, cam, 1a, ontology, 1b, Special-shaped cam, 1c, annular groove, 2, closing area, 3, transition region, 4, opening area,
5, the area Guo Xian, 6, self-locking area, 7, high-order, 8, low level, 9, shaft, 9a, thread segment, 10, slide laterally block, 11, engagement shaft, 12,
Contact roller, 13, elastic component, 14, adjusting block, 15, pin hole, 16, pin, 17, mounting disc, 18, through-hole, 19, mounting hole,
20, sliding shoe, 20a, matrix, 20b, fork body, 21, guide pad, 22, cushioning piece, 23, axis hole, the 24, first stiffening plate, 25, the
Two stiffening plates, 26, mounting plate, 27, threaded mounting hole.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", " going up ", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " afterwards ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion institute
The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this hair
Bright limitation.
Embodiment:
A kind of cam and cam pack for vehicle display, including cam 1, the upright projection of cam contour curved surface are in circle
Annular contour curve, contour curve, which is equipped with, closes area 2, opens area 4 and the area Guo Xian 5, closes between area and opening area and is equipped with
Transition region 3, opens the one end in the other end connection area Guo Xian in area, and the other end in the area Guo Xian is connected with self-locking area 6, closes the week in area
Angle is assigned as 0 ~ 5 °, and the round angle of transition region is assigned as 5 ~ 80 °, and the round angle for opening area is assigned as 80 ~ 130 °, the round angle point in the area Guo Xian
170 ~ 180 ° are assigned as with the round angle for 130 ~ 170 °, self-locking area；The contour curve of cam is centrosymmetric distribution；Cam contour
In the floor projection of curved surface, the homologous thread in the area Guo Xian and the homologous thread position of self-locking area are continuous, on the area Guo Xian homologous thread
The radius of curvature of each point is respectively less than the radius of curvature of each point on the homologous thread of self-locking area, smooth between the homologous thread in remaining each area
Transition；Cam includes a high position 7 and low level 8, and high-order to open area, low level is closing area；Cam pack, including the cam, it is convex
Wheel is fixedly set in shaft 9, further includes being connected in shaft to slide laterally block 10, and the one end for sliding laterally block is equipped with contact
End, contact jaw are bonded the contour surface on cam, and the other end for sliding laterally block is connected with the elastic component 13 being sleeved in shaft
One end, the other end of elastic component abuts against with the adjusting block 14 being mounted in shaft；Contact jaw includes two positioned opposite
Engagement shaft 11 and the contact roller 12 being sleeved on engagement shaft, contact roller is rotatably connected on engagement shaft, contact roller with it is convex
It is contacted between the contour surface of wheel for line；The central axis of contact roller intersects and vertical with the central axis of cam；It is laterally sliding
The central axis of motion block and the central axis of cam are conllinear, and sliding laterally block can laterally move under actuated by cams along shaft；
Adjusting block is caging bolt, and shaft is equipped with thread segment 9a, and caging bolt is threadedly coupled thread segment, the connection of caging bolt liftable
On thread segment.
As shown in Figure 1 to Figure 3, cam includes ontology 1a and Special-shaped cam 1b, the outer peripheral surface of ontology and Special-shaped cam it is outer
Annular groove 1c is equipped between circumferential surface.Ontology is cut by circular column, and in the present embodiment, the lateral circle surface of ontology is cut to four
A plane, four planes are spaced apart with the remainder curved surface on lateral circle surface, and the cam body face after cutting is symmetrical and central symmetry；
Ontology is equipped with a pair of of pin hole 15, and two pin holes are located on opposite cutting planes, and pin hole penetrates through the side of cam body
Wall.Special-shaped cam is also from circular column processing, wherein the inside and outside ring diameter of Special-shaped cam and the inside and outside ring diameter one of ontology
It causes.Special-shaped cam is centrosymmetric, and is classified as Ith area and IIth area, within the scope of 180 ° of following Ith area Jin to Special-shaped cam into
Row subregion introduction.The upright projection of Special-shaped cam contour surface is the contour curve in circular ring shape, is successively arranged on contour curve
It closes area, transition region, open area, the area Guo Xian and self-locking area；The round angle for closing area is assigned as 0 ~ 5 °, and the round angle of transition region is assigned as
5 ~ 80 °, the round angle for opening area is assigned as 80 ~ 130 °, and the round angle in the area Guo Xian is assigned as 130 ~ 170 °, and the round angle of self-locking area is assigned as
170~180°；It along Special-shaped cam axial direction, closes area and is located at " trough " position, open area and be located at " wave crest " position, transition region is smooth
Ground transition connection closed area and opening area.In the floor projection of cam contour curved surface, the homologous thread in the area Guo Xian and self-locking area
Homologous thread position is continuous, and the radius of curvature of each point is respectively less than the song of each point on the homologous thread of self-locking area on the area Guo Xian homologous thread
Rate radius is based on this, and when cam work, cooperation workpiece will enter the area Guo Xian from self-locking area, and biggish load is needed to be driven
It is dynamic.Area, transition region, opening area and the area Guo Xian is closed to correspond to curved surface and be successively smoothly connected；The area Guo Xian corresponds to the song of each point on curved surface
Rate radius is respectively less than the radius of curvature that self-locking area corresponds to each point on curved surface；It is closed in the correspondence curved surface of I self-locking area in area and IIth area
The correspondence curved surface in area is smoothly connected；A high position for Special-shaped cam, which is located at, opens area, and the low level of Special-shaped cam, which is located at, closes area.
Cam is applied to Vehicular display device by the present embodiment, and closing area is corresponding with the initial closed state of Vehicular display device,
Opening area is corresponding with the viewed status of Vehicular display device, and self-locking area is corresponding with the overturning closed state of Vehicular display device.Specifically,
When Vehicular display device is in initial closed state, the angle between vehicle ceiling is 0 ~ 5 °, closes the corresponding week in area
Angle is 0 ~ 5 °；Vehicular display device arrives at viewed status after rotating 75 °, this rotation process corresponds to the transition region on cam, corresponding week
Angle is 5 ~ 80 °；When Vehicular display device is in viewed status, the angle between vehicle ceiling is 80 ~ 130 °, opens area
Correspondence round angle be 80 ~ 130 °；Vehicular display device arrives at overturning closed state after continuing to rotate 40 °, this rotation process corresponds to convex
The area Shang Guoxian is taken turns, corresponding round angle is 130 ~ 170 °；When Vehicular display device is in overturning closed state, with vehicle ceiling
Between angle be 170 ~ 180 °, the correspondence round angle of self-locking area is 170 ~ 180 °.Each region and Vehicular display device on cam
Each position state corresponds, and is adjusted to the round angle distribution in region each on cam profile curve, so that it may realize vehicle-mounted aobvious
Show the adjustment of device location status.The present invention through the above technical solutions, so that Vehicular display device is turned to special angle can be automatic
Form positioning.
But the structure of unilateral rotation is unstable, and cam is once worn, the position precision of Vehicular display device
It will decline to a great extent.The contour curve of cam is designed as central symmetry shape in the present invention, by centrosymmetric identical on cam
Region is determined the location status of Vehicular display device；Specifically, when Vehicular display device is in initial closed state, with
Angle between vehicle ceiling is 0 ~ 5 °, and the correspondence round angle for closing area is 0 ~ 5 ° and 180 ~ 185 °；Vehicular display device rotates 75 °
After arrive at viewed status, this rotation process corresponds to the transition region on cam, and corresponding round angle is 5 ~ 80 ° and 185 ~ 260 °；When vehicle-mounted
When display is in viewed status, the angle between vehicle ceiling is 80 ~ 130 °, open area correspondence round angle be 80 ~
130 ° and 260 ~ 310 °；Vehicular display device arrives at overturning closed state after continuing to rotate 40 °, this rotation process corresponds on cam
The area Guo Xian, corresponding round angle are 130 ~ 170 ° and 310 ~ 350 °；When Vehicular display device is in overturning closed state, with vehicle day
Angle between card is 170 ~ 180 °, and the correspondence round angle of self-locking area is 170 ~ 180 ° and 350 ~ 360 °.Vehicular display device is in
When the state of any position, there are two centrosymmetric same structural region alignment to be positioned on cam, the position of Vehicular display device
Precision is set to be substantially improved.
As shown in figure 4, cam is fixedly mounted in shaft by the pin hole that pin 16 passes through on cam body, shaft is in sky
Heart shaped, one end of shaft are equipped with the cylindric mounting disc 17 for connecting motor, and mounting disc is only partially cut along its axial direction, install
The center of disk is equipped with the through-hole 18 concentric with shaft, and far from setting on the end face of cam, there are four threaded mounting holes for mounting disc
19, mounting hole is uniformly distributed with the axial direction of mounting disc for axle center.The curved end of Special-shaped cam is matched with the contact jaw for sliding laterally block
Close connection.The other end for sliding laterally block is equipped with cushioning piece 22, is fixedly connected with the elasticity along shaft axial direction in cushioning piece
Part, the elastic component in the present embodiment is spring, is socketed in shaft.The other end of elastic component is connected with adjusting block, adjusting block
For caging bolt, it is equipped with screw thread in the movable range of adjusting block in shaft, caging bolt is threadedly coupled the thread segment, passes through
Being rotatably assorted for elastic component contraction stretching and shaft, can make adjusting block move reciprocatingly along shaft.
As shown in Figure 5 and Figure 6, sliding laterally block includes sliding shoe 20 and guide pad 21.Sliding shoe includes matrix 20a and fork
Body 20b, matrix are circular column, and for inner ring to install shaft, fork body is plate-like, are equipped with axis hole 23 on its end face, in axis hole
Equipped with engagement shaft, it is socketed with contact roller on engagement shaft, can relatively rotate between contact roller and engagement shaft.Pitching body includes
First fork body III and the second fork body IV, are symmetrically connected on the outer peripheral surface of matrix；The other end of first fork body is connected to guide pad
Outer peripheral surface on, first fork body left side and matrix lateral circle surface between be equipped with the first stiffening plate 24, the first stiffening plate cut
Face is triangular in shape；Second fork body upper shaft hole and the axis hole on the first fork body are concentric, and the axis of axis hole is perpendicular to matrix axis；Second
It pitches and is equipped with the second stiffening plate 25 between the upper surface of body and the right side of matrix, the section of the second stiffening plate is also triangular in shape.It leads
It is circular column to block, is axially arranged with two symmetrical cutting planes along it on outer peripheral surface；First fork body and guide pad pass through peace
Loading board 26 connects；The left side of guide pad is concordant with the first fork left side of body；It is set on one cutting planes of guide pad
There is threaded mounting hole 27.
Next the process of cam pack driving vehicle display each position state change is described:
As shown in Figure 7 and Figure 8, band moving cam rotates together when shaft rotates, and the contact position of contact roller and cam is from closing
Area is mobile to area is opened through transition region, slides laterally block and is pushed and is moved to the left, and spring-compressed simultaneously applies along its axis adjusting block
To thrust, shaft it is every rotation after a week, caging bolt is moved to the left the distance of a screw pitch, when contact roller is moved to opening
Qu Shi, car-mounted display is in the open state, and the optimum angle of Vehicular display device and ceiling is 110 ° in the present embodiment.When vehicle-mounted
When display is in best viewing location, shaft stops operating, and caging bolt no longer moves at this time, the spring in compressive state
It is limited to block is slid laterally, makes it that can not continue to be axially moveable, so that Vehicular display device is maintained at best viewing position
It sets.Plastic deformation ability based on spring, the position of above-mentioned Vehicular display device keeps not being rigid, as passenger and car-mounted display
When device collides, contact roller moves under instantaneous impact load effect, enters the area Guo Xian from area is opened, limits spiral shell
Bolt continues to be moved to the left under the driving of compressed spring, so that Small-angle Rotation occurs for Vehicular display device to separating with passenger,
A large amount of impact load is dissipated in surrounding space during this, avoids passenger injured due to rigid collision.When shaft continues
When band moving cam rotation, contact roller moves in the area Guo Xian and eventually enters into self-locking area, during this, since spring is located always
In compressive state, axial thrust is provided for caging bolt always, thus caging bolt is moved to the left always；When contact roller rotates
When to self-locking area, caging bolt reaches left end, and Vehicular display device is in overturning closed state at this time, and spring be in nature and extends
State.
Claims (9)
1. a kind of cam for vehicle display, the upright projection of cam contour curved surface is the contour curve in circular ring shape,
It is characterized in that, contour curve, which is equipped with, closes area, opens area and the area Guo Xian, closes between area and opening area and is equipped with transition region, beats
The one end in the other end connection area Guo Xian in area is opened, the other end in the area Guo Xian is connected with self-locking area, and the round angle for closing area is assigned as 0 ~
5 °, the round angle of transition region is assigned as 5 ~ 80 °, and the round angle for opening area is assigned as 80 ~ 130 °, and the round angle in the area Guo Xian is assigned as 130 ~
170 °, the round angle of self-locking area is assigned as 170 ~ 180 °.
2. a kind of cam for vehicle display according to claim 1, which is characterized in that the contour curve of cam is in
Central symmetry distribution.
3. a kind of cam for vehicle display according to claim 1, which is characterized in that the water of cam contour curved surface
In flat projection, the homologous thread in the area Guo Xian and the homologous thread position of self-locking area are continuous, the song of each point on the area Guo Xian homologous thread
Rate radius is respectively less than the radius of curvature of each point on the homologous thread of self-locking area, seamlessly transits between the homologous thread in remaining each area.
4. a kind of cam for vehicle display according to claim 1 or 2 or 3, which is characterized in that cam includes height
Position and low level, high-order to open area, low level is closing area.
5. a kind of cam pack for vehicle display using cam described in claim 4, which is characterized in that cam is fixed
It is sleeved in shaft, further includes being connected in shaft to slide laterally block, the one end for sliding laterally block is equipped with contact jaw, contact jaw
The contour surface being bonded on cam, the other end for sliding laterally block are connected with the one end for the elastic component being sleeved in shaft, elasticity
The other end of part is abutted against with the adjusting block being mounted in shaft.
6. a kind of cam pack for vehicle display according to claim 5, which is characterized in that contact jaw includes phase
To two engagement shafts of arrangement and the contact roller being sleeved on engagement shaft, contact roller is rotatably connected on engagement shaft, is contacted
It is contacted between roller and the contour surface of cam for line.
7. a kind of cam pack for vehicle display according to claim 6, which is characterized in that in contact roller
Mandrel line intersects and vertical with the central axis of cam.
8. a kind of cam pack for vehicle display according to claim 5, which is characterized in that slide laterally block
Central axis is conllinear with the central axis of cam, and sliding laterally block can laterally move under actuated by cams along shaft.
9. a kind of cam pack for vehicle display according to claim 5, which is characterized in that adjusting block is limit
Bolt, shaft are equipped with thread segment, and caging bolt is threadedly coupled thread segment, and caging bolt liftable is connected on thread segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498519.XA CN110185897B (en) | 2019-06-10 | 2019-06-10 | Cam and cam assembly for vehicle display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910498519.XA CN110185897B (en) | 2019-06-10 | 2019-06-10 | Cam and cam assembly for vehicle display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110185897A true CN110185897A (en) | 2019-08-30 |
| CN110185897B CN110185897B (en) | 2024-01-26 |
Family
ID=67721081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910498519.XA Active CN110185897B (en) | 2019-06-10 | 2019-06-10 | Cam and cam assembly for vehicle display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185897B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111615322A (en) * | 2020-04-14 | 2020-09-01 | 丁琛琦 | Method for improving working efficiency of all-in-one machine |
| CN111929893A (en) * | 2020-07-24 | 2020-11-13 | 闪耀现实(无锡)科技有限公司 | Augmented reality display device and equipment thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6141831A (en) * | 1997-12-09 | 2000-11-07 | Cema Technologies, Inc. | Bistable hinge mechanism |
| US20030014840A1 (en) * | 2001-07-17 | 2003-01-23 | Hinge Basestrong Co., Ltd. | Rotating shaft assembly |
| US20040177477A1 (en) * | 2003-03-11 | 2004-09-16 | Yung-Tsun Hsieh | Electronic device and hinge assembly thereof |
| CN2689662Y (en) * | 2004-02-28 | 2005-03-30 | 深圳富泰宏精密工业有限公司 | Hinge structure |
| CN101246752A (en) * | 2007-02-15 | 2008-08-20 | 台达电子工业股份有限公司 | Self-reset rotating shaft system of display equipment |
| US20080196204A1 (en) * | 2007-02-15 | 2008-08-21 | Delta Electronics, Inc. | Auto-return pivot system for display apparatus |
| TWM403190U (en) * | 2010-11-18 | 2011-05-01 | Leohab Enterprise Co Ltd | Notebook computer two section torque type cam set |
| CN206694399U (en) * | 2017-05-12 | 2017-12-01 | 泰州市创新电子有限公司 | Turning gear and display bracket |
| CN210662075U (en) * | 2019-06-10 | 2020-06-02 | 杭州杭正电子科技有限公司 | Cam and cam component of vehicle-mounted display |
-
2019
- 2019-06-10 CN CN201910498519.XA patent/CN110185897B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6141831A (en) * | 1997-12-09 | 2000-11-07 | Cema Technologies, Inc. | Bistable hinge mechanism |
| US20030014840A1 (en) * | 2001-07-17 | 2003-01-23 | Hinge Basestrong Co., Ltd. | Rotating shaft assembly |
| US20040177477A1 (en) * | 2003-03-11 | 2004-09-16 | Yung-Tsun Hsieh | Electronic device and hinge assembly thereof |
| CN2689662Y (en) * | 2004-02-28 | 2005-03-30 | 深圳富泰宏精密工业有限公司 | Hinge structure |
| CN101246752A (en) * | 2007-02-15 | 2008-08-20 | 台达电子工业股份有限公司 | Self-reset rotating shaft system of display equipment |
| US20080196204A1 (en) * | 2007-02-15 | 2008-08-21 | Delta Electronics, Inc. | Auto-return pivot system for display apparatus |
| TWM403190U (en) * | 2010-11-18 | 2011-05-01 | Leohab Enterprise Co Ltd | Notebook computer two section torque type cam set |
| CN206694399U (en) * | 2017-05-12 | 2017-12-01 | 泰州市创新电子有限公司 | Turning gear and display bracket |
| CN210662075U (en) * | 2019-06-10 | 2020-06-02 | 杭州杭正电子科技有限公司 | Cam and cam component of vehicle-mounted display |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111615322A (en) * | 2020-04-14 | 2020-09-01 | 丁琛琦 | Method for improving working efficiency of all-in-one machine |
| CN111929893A (en) * | 2020-07-24 | 2020-11-13 | 闪耀现实(无锡)科技有限公司 | Augmented reality display device and equipment thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110185897B (en) | 2024-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110185897A (en) | A kind of cam and cam pack for vehicle display | |
| EP2179887B1 (en) | Vehicle seat | |
| KR101900627B1 (en) | Arrangement for opening and closing an opening in an interior trim piece of a vehicle | |
| CN101287636B (en) | Steering apparatus | |
| CN107310448A (en) | A kind of foldable saucer and automotive seat | |
| CN110062072B (en) | A kind of vehicle-mounted mobile phone shell | |
| JP2015532906A (en) | Vertically adjustable armrest assembly for vehicle interior parts | |
| CN109292411A (en) | A kind of turnover mechanism based on wheel hub process equipment | |
| EP0971830B1 (en) | Steering wheel with an air bag module | |
| CN210662075U (en) | Cam and cam component of vehicle-mounted display | |
| CN208247979U (en) | A kind of automobile instrument angular adjustment apparatus | |
| CN102605992A (en) | Vehicle door handle device and vehicle | |
| CN206049448U (en) | It is a kind of can two-ways regulation car seat headrest | |
| CN101890916B (en) | Trigger mechanism of automobile seat energy absorption device | |
| CN209986910U (en) | Turnover device for automobile parts | |
| CN201761389U (en) | Limiting structure for automobile seat | |
| CN105150898A (en) | Electric table board | |
| JP3285484B2 (en) | Swing robot | |
| CN209033723U (en) | New type of cam steering mechanism based on " S " type track carbon-free trolley | |
| CN114251540A (en) | Pipeline robot | |
| CN211166693U (en) | Vehicle-mounted suspension type screen system | |
| CN207790411U (en) | Child safety seat | |
| CN209258066U (en) | Seatbelt height-adjusting device, seat belt apparatus and vehicle | |
| CN210363629U (en) | Cam balancer for vehicle display | |
| CN208855480U (en) | Automobile cup holder and automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |