Utility model content
The purpose of this utility model is to provide a kind of support frames, it is intended to which solution makes projector in projection process how
The problem of carrying out height adjustment and angular adjustment.
The utility model is realized in this way a kind of support frame, for adjusting the standoff height and projection angle of projector,
Including be detachably connected with the projector and the rotary components of the projection angle to adjust the projector, for adjusting
State the height adjustment device of the standoff height of projector and the ball seat of the connection rotary components and the height adjustment device;
The ball seat offers the first cavity for connecting the rotary components and for connecting the height adjustment device
Two cavities, the rotary components include that one end is located in first cavity and can be around the branch that fixed point rotates at a predetermined angle
Support component and the fastening member that the rotation angle of the supporting member is kept for locking the supporting member;The height
Regulating device includes being used to support multiple stabilizer blades of the ball seat and being located in second cavity and connect each stabilizer blade
One end and the adjusting component of the height of the ball seat is adjusted for adjusting angle between the adjacent stabilizer blade.
Further, the supporting member includes the support plate being detachably connected with the projector, is located at described first
In cavity and what can be rotated at a predetermined angle around fixed point adjusts ball and the connection connection for adjusting ball and the support plate
Bar;The fastening member locks the adjusting ball after the adjusting ball adjusts predetermined angular.
Further, the fastening member includes for carrying the first annulus part for adjusting ball and first circle
Ring be slidably connected and can with elastic shrinkage and restore the second annulus part and be connected on the side wall of the second annulus part
And for changing the annular diameters of the second annulus part to push the first annulus part mobile towards the adjusting ball and by institute
It states and adjusts the check lock lever that ball is fixed between the first annulus part and the internal chamber wall of first cavity.
Further, the first annulus part is described towards offering loop concave on the anchor ring of the second annulus part
Second annulus part is towards offering annular convex surface, the first annulus part and second circle on the anchor ring of the first annulus part
Ring is slidably connected by the loop concave and the annular convex surface.
Further, the second annulus part includes two semicircle rings, is opened up on the side wall of the two semicircle rings
There is threaded hole;Two sections of contrary screw threads of precession are offered on the check lock lever, the check lock lever passes through two threaded holes
With the two semicircle ring phase screw locks.
Further, the adjusting component includes the fixed plate being set in second cavity and is connected to described solid
Several pairs of side plates in the plate face of fixed board form the fixing groove for connecting the stabilizer blade between each pair of side plate, the stabilizer blade
One end is pivotable to be connected in the corresponding fixing groove.
Further, the quantity of the fixing groove is three, and the quantity of the stabilizer blade is also three, three fixing grooves
In in the fixed plate be in Y-type layout and its intersection offer perforation fixed plate two sides plate face lift span.
Further, the adjusting component further includes the worm screw being set in the lift span and is pivotally connected to described
Regulating part in fixing groove, the regulating part include cooperating with the worm screw to drive the worm screw in reciprocal in the lift span
Mobile worm gear part and interconnecting piece, described interconnecting piece one end connect the worm gear part, described in the interconnecting piece other end connection
Stabilizer blade.
Further, the end face that the stabilizer blade connects the interconnecting piece offers threaded hole, the interconnecting piece and the branch
Foot is connected by screw thread.
The utility model having the technical effect that compared with the existing technology rotates predetermined angle by rotary components in accommodating cavity
Degree, to adjust the level angle for being supported object being mounted on rotary components.The adjusting component of height adjustment device can be with
Angle between two adjacent stabilizer blades is adjusted, as the angle between adjacent two stabilizer blade becomes larger and becomes smaller, the height of ball seat is also therewith
It reduces and increases, so that supporting member be driven to reduce and increase, be finally reached to adjust and be mounted on being supported pair on supporting member
The vertical height of elephant.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " thickness ", "upper", "lower", " vertical ", " parallel ",
The orientation or positional relationship of the instructions such as "bottom", " angle " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, the terms such as term " installation ", " connection " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or integral;It can be mechanical connection, it can also be with
It is electrical connection;Can be directly connected, can also indirectly connected through an intermediary, can be connection inside two elements or
The interaction relationship of two elements.
It please refers to Fig.1 to Fig.3, the utility model embodiment provides a kind of angle adjustment device 101, a kind of height adjustment
Device 20 and support frame 100 including the angle adjustment device 101 and the height adjustment device 20, support frame as described above
100 for adjusting the standoff height and projection angle of the projector being mounted in angle adjustment device 101 (figure is not drawn).
Angle adjustment device 101 includes the rotation for offering the ball seat 30 of an accommodating cavity 33 and being connected on the ball seat
Component 10.
The height adjustment device 20 is including multiple stabilizer blades 22 and for adjusting the angle between the adjacent stabilizer blade 22
Adjusting component 20a.
Angle adjustment device 20 includes rotary components 10 and the connection rotary components 10 and the height adjustment device
20 and offer the ball seat 30 of accommodating cavity 33.The rotary components 10 are detachably connected with the projector, and to adjust
State the projection angle of projector.The height adjustment device 20 is used to adjust the standoff height of the projector.
Please refer to Fig. 6 to Fig. 7, the accommodating cavity 33 include for connect the first cavity 331 of the rotary components 10 with
And the second cavity 332 for connecting the height adjustment device 20.The ball seat includes offering first cavity 331
The first half ball seats 31 and with the first half cooperation of ball seat 31 and open up the second half ball seats 32 of second cavity 332.
Referring to Fig. 5, the rotary components 10 include supporting member 11 and the fastening support for supporting the projector
The fastening member 12 of component 11.One end of the supporting member 11 is located in first cavity 331 and can be in the first cavity
It is rotated in 331 around fixed point, the fastening member 12 is for locking the supporting member 11 to keep the supporting member 11
Angle adjusted after rotation.
Fig. 8 to Figure 10 is please referred to, the height adjustment device 20 includes the multiple stabilizer blades 22 for being used to support the ball seat 30
And in second cavity 332 and one end of each stabilizer blade 22 is connected to adjust the folder between the adjacent stabilizer blade 22
The adjusting component 20a at angle.
It is rotated in the first cavity 331 by the supporting member 11 of rotary components 10, the branch after 12 pairs of fastening member rotations
Support component 11 is fixed, to reach the projection angle for adjusting the projector being mounted on supporting member 11.Height adjustment dress
Angle between the 20 adjustable two adjacent stabilizer blades 22 of adjusting component 20a is set, as the angle between adjacent two stabilizer blade 22 becomes
Greatly and become smaller, the height of ball seat 30 is also decreased and increased, so that supporting member 11 be driven to reduce and increase, is finally reached tune
Save the height for the projector being mounted on supporting member 11.
The ball seat 30 includes the first half ball seats 31 and the second half ball seats 32 matched with the first half ball seat 31.Institute
It states the first cavity 331 and is opened in the first half ball seat 31, second cavity 332 is opened in the second half ball seat 32.Institute
State the first opening 311 that the first half ball seats 31 offer connection first cavity 331, the rotary components 10 pass through described the
One opening 311 is installed in first cavity 331.
The supporting member 11 includes the support plate 111 being detachably connected with the projector, is located at first cavity
In 331 and what can be rotated around fixed point adjusts ball 112 and the connection connection for adjusting ball 112 and the support plate 111
Bar 113.Threaded hole (not shown), one end that the connecting rod 113 is connect with adjusting ball 112 are offered on the adjusting ball 112
Screw thread is offered, the connecting rod 113 is threadedly coupled with 112 phase of adjusting ball.The fastening member 12 is in the adjusting ball
The adjusting ball 112 is locked in first cavity 331 after 112 rotation predetermined angulars.Along the warp of the first half ball seat 31
Line direction offers the guide groove 34 for penetrating through first opening 311, and the connecting rod 113 can be around fixed point in the guiding
Make planar slide in slot 34 to adjust the projection angle of projector.The connecting rod 113 passes through the 311 connection institute of the first opening
It states and adjusts ball 112.The adjusting ball 112 is similar to ball-joint structure in formation in the first cavity 331 with the connecting rod 113.
The bore of first opening 311 is less than the diameter for adjusting ball 112, prevents adjusting ball 112 from skidding off from the first opening 311.
Referring to Fig. 8, the fastening member 12 includes for carrying the adjusting ball 112 and by 112 court of adjusting ball
It the first annulus part 121 that the internal chamber wall of first cavity 331 squeezes and is slidably connected with the first annulus part 121 and can
The second annulus part 122 of the first annulus part 121 is squeezed towards the adjusting ball 112, the first annulus part 121 is located at described
It adjusts between ball 112 and the second annulus part 122.First annulus part 121 is located at connecting rod 113 adjusts ball 112
Opposite sides, adjusting ball 112 can slide on the first annulus part 121.Second annulus part 122 is squeezed towards 112 direction of ball is adjusted
First annulus part 121 will adjust ball 112 and lock between the internal chamber wall of the first cavity 331 and the first annulus part 121.
The first annulus part 121 is described towards offering loop concave 1211 on the anchor ring of the second annulus part 122
Second annulus part 122 is towards offering annular convex surface 1221, the first annulus part on the anchor ring of the first annulus part 121
121 are slidably connected with the second annulus part 122 by the loop concave 1211 and the annular convex surface 1221.Described second
Annulus part 122 includes that two semicircle rings 122a, the two semicircle ring 122a offer the annular convex surface 1221, two institutes
It states and offers threaded hole (not shown) on the side wall of semicircle ring 122a;The fastening member 12 further includes check lock lever 123, institute
It states and offers two sections of contrary screw threads of precession on check lock lever 123, the check lock lever passes through described in two threaded holes and two
Semicircle ring 122a phase screw lock.
Because the precession of the two sections of screw threads opened up on check lock lever 123 is contrary, when rotating the check lock lever 123, spiral shell
Two semicircle ring 122a moving directions on check lock lever 123 are locked also on the contrary, to loop concave 1211 and annular convex surface
1221 contact position also moves.
Positive rotation check lock lever 123, when the two semicircle ring 122a are moved towards, the internal diameter of the second annulus part 122 becomes smaller,
Loop concave 1211 and annular convex surface 1221 occur it is opposite slide, i.e., contact position be from the outside of loop concave 1211 inwardly
It is mobile, make to adjust ball 112 with the first annulus part 121 towards the movement of the second annulus part 122, adjusting ball 112 holds described second
It is loosened in chamber 332.When reverse rotation check lock lever 123, when the two semicircle ring 122a moving directions are away from each other, the second annulus
The internal diameter of part 122 becomes larger, loop concave 1211 and annular convex surface 1221 occur it is opposite slide, i.e. contact position is from loop concave
1211 Inside To Outside is mobile, pushes the first annulus part 121 mobile towards ball 112 is adjusted, adjusting ball 112 will be in the first annulus part
Under 121 extruding, it lock between the internal chamber wall of the first cavity 331 and the first annulus part 121.
Referring to Fig. 9, the adjusting component 20a includes the fixed plate 21 being set in second cavity 332 and connects
Several pairs of side plates 23 of the plate face of the fixed plate 21 are connected to, are formed between each pair of side plate 23 for connecting consolidating for the stabilizer blade 22
Determine slot 231, one end of the stabilizer blade 22 is pivotable to be connected in the corresponding fixing groove 231.
Referring to Fig. 6, the shape of the fixed plate 21 is circle, offer in the second cavity 332 to place fixed plate
21 annular convex shoulder 322, fixed plate 21 are fixed on the annular convex shoulder 322, the side plate 23 and second annular element point
Not Wei Yu the fixed plate 21 two sides.
Referring to Fig. 10, the quantity of the fixing groove 231 is three, the quantity of the stabilizer blade 22 is also three, three institutes
Fixing groove 231 is stated in the fixed plate 21 being in Y-type layout and offer perforation 21 both side plate of fixed plate in its intersection
The lift span 211 in 23 faces.In other embodiments, according to the actual situation, the logarithm of side plate 23 also can be set into more than three pairs,
Such as four pairs or five pairs.
The adjusting component 20a further includes the worm screw 25 being set in the lift span 211 and is pivotally connected to described
Regulating part 24 in fixing groove 231.
Figure 11 is please referred to, the quantity of regulating part 24 described in the present embodiment is three, and each regulating part 24 includes and institute
The cooperation of worm screw 25 is stated to drive the worm screw 25 in the worm gear part 241 moved back and forth in the lift span 211 and for connecting
The interconnecting piece 242 of the stabilizer blade 22 and the worm gear part 241, described 242 one end of interconnecting piece connects the worm gear part 241, described
The other end of interconnecting piece 242 connects the stabilizer blade 22.The end face that the stabilizer blade 22 connects the interconnecting piece 242 offers leg holes
221, offer screw thread in the leg holes 221, one end that the interconnecting piece 242 is connect with the stabilizer blade 22 offer screw thread and
It is threadedly coupled by leg holes 221 with stabilizer blade 22.
The surface of each worm gear part 241 towards the worm screw 25 offers several threads with the worm screw 25 and matches
The worm-gear toothing of conjunction.It is rotated in the fixing groove 231 by the regulating part 24 that a stabilizer blade 22 can be drivingly connected the stabilizer blade 22,
The regulating part 24 of rotation will drive worm screw 25 and move in lift span 211, so that worm screw 25 be made to drive other two regulating parts 24
Rotation, i.e. stabilizer blade 22 are shunk and expansion.In this way, not only reaching one stabilizer blade 22 of driving, effect of other stabilizer blades 22 also with movement
Fruit, and the stabilizer blade shunk 22 is made to be conducive to the carrying of support frame 100.
The present embodiment additionally provides a kind of projection arrangement (figure is not drawn) comprising projector's (figure is not drawn) and as described above
Support frame 100.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.