CN208185799U - A kind of support frame - Google Patents

Abstract

The utility model relates to project ancillary equipment field, more particularly to a kind of support frame and the projection arrangement with it, support frame for adjusting the standoff height and projection angle for being supported object being mounted thereon, including be supported object and be detachably connected and to adjust the rotary components for being supported the projection angle of object, the height adjustment device for adjusting the standoff height for being supported object and the ball seat for connecting rotary components and height adjustment device；Ball seat offers the first cavity for connecting rotary components and the second cavity for connecting height adjustment device, and rotary components include the fastening member that one end is located in the first cavity and can keep around the supporting member that fixed point rotates and for locking support component the rotation angle of supporting member；Height adjustment device includes being used to support multiple stabilizer blades of ball seat and one end of each stabilizer blade of connection and the adjusting component for adjusting the angle between adjacent leg.The utility model can effectively adjust the standoff height and projection angle for being supported object, and easy to carry.

Description

A kind of support frame

Technical field

The utility model relates to project ancillary equipment field more particularly to a kind of support frame.

Background technique

Projector is the precision instrument for integrating light, mechanical, electrical complication system, as a kind of large screen projection equipment, Concert, commercial affairs, meeting, in terms of be widely used.It uses process need frequently adjust standoff height or Projection angle, in projection to bedroom metope, ceiling.

Therefore, reasonable support frame is designed, it is imperative to meet the projection requirements of projector.

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.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of support frame provided by the utility model embodiment.

Fig. 2 is the explosive view of the support frame of Fig. 1.

Fig. 3 is the structural schematic diagram of the cross-sectional view of the section by the ball seat centre of sphere of Fig. 1.

Fig. 4 is the explosive view of the ball seat internal structure of Fig. 1.

Fig. 5 is the structural schematic diagram of the rotary components of Fig. 1.

Fig. 6 is the structural schematic diagram of the first half ball seats of the ball seat of Fig. 1.

Fig. 7 is the structural schematic diagram of the second half ball seats of the ball seat of Fig. 1.

Fig. 8 is the explosive view of the fastening member of Fig. 1.

Fig. 9 is the explosive view of the height adjustment device of Fig. 1.

Figure 10 is the structural schematic diagram of the fixed plate of Fig. 9.

Figure 11 is the structural schematic diagram of the regulating part of Figure 10.

Numbering in the drawing relationship corresponding with title is as follows:

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.

Claims (10)

1. a kind of support frame, for adjusting the vertical height and level angle that are supported object, it is characterised in that: including for adjusting Section is supported the angle adjustment device of the angle of object with respect to the horizontal plane and is supported the vertical height of object for adjusting Height adjustment device；The angle adjustment device includes offering the ball seat of an accommodating cavity and one end and described being supported object Machine is detachably connected and the other end is connected to the ball seat upper end and cooperates with the ball seat and is supported object to adjust The rotary components of level angle；Connection structure between the rotary components and the ball seat is universal ball structure, so that described Rotary components can be in the accommodating cavity relative to the ball base rotary；The height adjustment device includes being supported in the ball Multiple stabilizer blades of seat lower end and it is arranged in the accommodating cavity and for adjusting the angle between the adjacent stabilizer blade to adjust The adjusting component of the whole vertical height for being supported object.

2. support frame as described in claim 1, it is characterised in that: the accommodating cavity includes the first cavity and with described first The second opposite cavity of cavity, the ball seat include the first half ball seats that are at its upper end and offering first cavity with And positioned at the ball seat lower end and offer the second half ball seats of second cavity.

3. support frame as claimed in claim 2, it is characterised in that: the rotary components include one end and described are supported object It is detachably connected and the other end and the first half ball seat forms the supporting member of universal ball structure and are located at described first and hold It is intracavitary and for lock the supporting member so that the supporting member keep rotation angle fastening member.

4. support frame as claimed in claim 3, it is characterised in that: the supporting member includes and described to be supported object removable Unload the support plate of connection, in first cavity and can relatively described the first half ball base rotary adjusting ball and connection institute State the connecting rod for adjusting ball and the support plate；The fastening member locks the tune after the adjusting ball rotation predetermined angular Ball is saved in first cavity.

5. support frame as claimed in claim 4, it is characterised in that: the fastening member includes for carrying the adjusting ball simultaneously Company is slided by the first annulus part for adjusting the internal chamber wall extruding of ball towards first cavity and with the first annulus part The second annulus part of the first annulus part is connect and can squeeze towards the adjusting ball, the first annulus part is located at the adjusting ball Between the second annulus part.

6. support frame as claimed in claim 5, it is characterised in that: ring of the first annulus part towards the second annulus part Offer loop concave on face, the second annulus part is towards offering annular convex surface on the anchor ring of the first annulus part, institute It states the first annulus part and is slidably connected with the second annulus part by the loop concave and the annular convex surface.

7. support frame as claimed in claim 6, it is characterised in that: the second annulus part includes two semicircle rings, two institutes It states semicircle ring and offers the annular convex surface, offer threaded hole on the side wall of the two semicircle rings；The fastening Component further includes check lock lever；Two sections of contrary screw threads of precession are offered on the check lock lever, the check lock lever passes through two institutes State threaded hole and the two semicircle ring phase screw locks.

8. the support frame as described in claim 1-7 any one, it is characterised in that: the adjusting component includes being set to second Fixed plate in cavity and several pairs of side plates being connected in the fixed plate plate face are formed for connecting between each pair of side plate The fixing groove of the stabilizer blade, one end of the stabilizer blade is pivotable to be connected in the corresponding fixing groove.

9. support frame as claimed in claim 8, it is characterised in that: the quantity of the fixing groove is three, the number of the stabilizer blade Amount is also three, and three fixing grooves are described solid in offering perforation in Y-type layout in the fixed plate and in its intersection The lift span of fixed board two sides plate face.

10. support frame as claimed in claim 9, it is characterised in that: the adjusting component further includes being set to the lift span Interior worm screw and be pivotally connected to the regulating part matched in the fixing groove and with the worm screw, the regulating part include with The worm screw cooperation rotation is to drive the worm screw in the worm gear part moved back and forth in the lift span and be connected to the snail In wheel portion and the worm gear part, the interconnecting piece can be connected with the interconnecting piece of worm gear part rotation, one end of the interconnecting piece The other end connect the stabilizer blade.