CN209278788U - A kind of projector cabinet elevating mechanism - Google Patents

Abstract

The utility model discloses a kind of projector cabinet elevating mechanisms, belong to a kind of elevating mechanism, a kind of projector cabinet elevating mechanism, supporting plate including the fixed projector cabinet in upper end, bottom plate, No.1 sliding block, No. two sliding blocks, main shaft, lifting linking members with support face contact, 4 lifting linking members respectively with supporting plate, bottom plate, two sliding blocks are connected by bearing, sliding block is connected with main shaft, it may be implemented, and projector is horizontal in left and right directions, need to only adjust the angle of depression of front and back.When adjusting the angle of depression, the adjusting at the angle of depression only can be realized by adjusting a mechanism, rather than adjust 4 lower margins repeatedly respectively.The operation is more convenient, is easy.

Description

A kind of projector cabinet elevating mechanism

Technical field

The utility model relates to a kind of elevating mechanisms, more specifically to projector cabinet elevating mechanism.

Background technique

The regulation technology of existing projector is substantially through 4 lower margins before and after projector or cabinet and adjusts, Subsequent 2 lower margins, worst condition are at least adjusted, 4 lower margins require to adjust, and can be only achieved requirement, and 2 lower margins below To keep horizontal simultaneously when adjusting, it is inconvenient for operation.

Utility model content

1. technical problems to be solved

Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of projector cabinet elevators Structure need to only adjust the angle of depression of front and back it may ensure that projector is horizontal in left and right directions.It is only logical when adjusting the angle of depression Overregulating a mechanism can be realized the adjusting at the angle of depression, rather than adjust 4 lower margins repeatedly respectively.The operation is more convenient, is easy.

2. technical solution

To solve the above problems, the utility model adopts the following technical scheme.

A kind of projector cabinet elevating mechanism, the supporting plate including the fixed projector cabinet in upper end, the bottom with support face contact Plate, two sliding blocks, main shaft, lifting linking members, 4 lifting linking members are respectively with supporting plate, and bottom plate, sliding block is connected by bearing, sliding Block is connected with main shaft, and the projector cabinet elevating mechanism further includes a kind of structure for adjusting lifting.Being advantageous in that need to only pass through Adjusting a mechanism can be realized the adjusting at the angle of depression.

Further, a kind of projector cabinet elevating mechanism, it is described adjust lifting structure be by main shaft and and Main shaft by bearing be connected sliding block, by screw thread be connected sliding block constitute, described and main shaft by bearing be connected sliding block and Main shaft axial restraint only can be rotated, and the sliding block being connected with main shaft by screw thread and main shaft not can be rotated, and only pass through screw thread Axial movement.It is advantageous in that the lifting of supporting plate only need to be mobile by rotation main shaft band movable slider, so that 4 liftings be driven to connect Bar is completed.

Further, a kind of projector cabinet elevating mechanism, the structure for adjusting lifting be by main shaft and It is made up of with main shaft two sliding blocks that screw thread is connected, it is described to be moved up in main shaft with main shaft by two sliding blocks that screw thread is connected It is dynamic, hand of spiral is opposite.It is advantageous in that the lifting of supporting plate only need to drive two sliding blocks mobile by rotation main shaft, to drive 4 A lifting linking member is completed.

Further, a kind of projector cabinet elevating mechanism, the structure for adjusting lifting be by main shaft and Two sliding blocks being connected with main shaft by bearing, the adjusting nut composition being connected by screw thread, one sliding block and spindle shaft It to fixation, only can be rotated, another sliding block can rotationally and axially move on main shaft, and the adjusting nut is located at described another One sliding block right end.It is advantageous in that the lifting of supporting plate only need to be mobile by rotating adjusting nut band movable slider, to drive 4 liftings Connecting rod is completed.

3. beneficial effect

Compared with the prior art, utility model has the advantages that

(1) when live spindle, one of sliding block can be driven, is moved forward and backward on main shaft, another cunning is fastly on main shaft Mobile or rotation.So rotation main shaft can drive two sliding blocks mobile, to drive 4 lifting linking members, go up and down supporting plate.Therefore The lifting of the supporting plate of this programme only need to be mobile by rotation main shaft band movable slider, to drive 4 lifting linking members to complete, very just Just it is easy.

(2) when rotating adjusting nut, mobile sliding block can be driven, is moved forward and backward on main shaft, and fixed sliding block and be fixed on On main shaft, it can be rotated；Therefore, rotating adjusting nut can drive two sliding blocks mobile, to drive 4 lifting linking members, make supporting plate Lifting.Therefore the lifting of the supporting plate of this programme only need to be mobile by rotating adjusting nut band movable slider, so that 4 liftings be driven to connect Bar is completed, easy to operate.

Detailed description of the invention

Fig. 1 is the first embodiment and schematic structural diagram of the second embodiment of the utility model；

Fig. 2 is the 3rd embodiment structural schematic diagram of the utility model.

Figure label explanation:

1 supporting plate, 2 bottom plates, 3 sliding blocks, 4 sliding blocks, 5 main shafts, 6 lifting linking members, 7 adjusting nuts.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe；Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside", " top/bottom end " etc. The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " are only used for description mesh , it is not understood to indicate or imply relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " being provided with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be with It is to be detachably connected, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be with Indirectly connected through an intermediary, it can be the connection inside two elements.For the ordinary skill in the art, may be used The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.

Fig. 1 shows the first embodiment of present device.As shown in Figure 1, a kind of projector cabinet elevating mechanism, including The supporting plate 1 of the fixed projector cabinet in upper end, 3, No. two sliding blocks 4 of bottom plate 2, No.1 sliding block, main shaft 5, lifting with support face contact Connecting rod 6, wherein 4 lifting linking members 6 are respectively with supporting plate 1, bottom plate 2,3, No. two sliding blocks 4 of No.1 sliding block are connected by bearing, No.1 3, No. two sliding blocks 4 of sliding block are connected with main shaft 5.No.1 sliding block 3 is connected with main shaft 5 by bearing, and No.1 sliding block 3 and main shaft 5 are fixed, Only it can be rotated, it is axial irremovable.No. two sliding blocks 4 are connected with main shaft 5 by screw thread, there is screw thread, No. two 4 Hes of sliding block on main shaft 5 Main shaft 5 not can be rotated, and can be moved axially by screw thread.

The course of work of first embodiment are as follows: by live spindle 5, No. two sliding blocks 4 can be driven, on main shaft before move back It is dynamic, and No.1 sliding block 3 is fixed on main shaft 5, can be rotated；Therefore, rotation main shaft 5 can drive 3, No. two sliding blocks 4 of No.1 sliding block to move It is dynamic, to drive 4 lifting linking members, go up and down supporting plate 1.

Fig. 1 also illustrates the second embodiment of present device.As shown in Figure 1, a kind of projector cabinet elevating mechanism, Supporting plate 1 including the fixed projector cabinet in upper end, with 3, No. two sliding blocks 4 of bottom plate 2, No.1 sliding block of support face contact, main shaft 5, Lifting linking member 6, wherein 4 lifting linking members 6 are respectively with supporting plate 1, bottom plate 2,3, No. two sliding blocks 4 of No.1 sliding block are connected by bearing, 3, No. two sliding blocks 4 of No.1 sliding block are connected with main shaft 5.No.1 sliding block 3 is connected with main shaft 5 by screw thread, and No. two sliding blocks 4 are also and main shaft 5 are connected by screw thread, but connect the hand of spiral of two sliding blocks on the contrary, therefore, 3, No. two sliding blocks 4 of No.1 sliding block can be in master It is moved on axis 5.

The course of work of second embodiment are as follows: by live spindle 5,3, No. two sliding blocks 4 of No.1 sliding block can be driven, in main shaft Upper back-and-forth motion, and connect 3, No. two sliding blocks 4 of No.1 sliding block hand of spiral on the contrary, therefore rotate main shaft 5 when, No.1 sliding block 3, Mobile contrary of No. two sliding blocks 4, to drive 4 lifting linking members, goes up and down supporting plate 1.

Fig. 2 shows the 3rd embodiments of present device.As shown in Fig. 2, 1 is supporting plate, the fixed projector cabinet in upper end； 2 be bottom plate, with support face contact；3 be No.1 sliding block；4 be No. two sliding blocks；6 be lifting linking member；5 be main shaft, and 7 be adjusting nut. No.1 sliding block 3 is connected with main shaft 5 by bearing, and No.1 sliding block 3 and main shaft 5 are fixed, only can be rotated, axial irremovable.No. two Sliding block 4 is connected with main shaft 5 by bearing, and No. two sliding blocks 4 can be rotated and be moved forward and backward in main shaft 5.Adjusting nut 7 and main shaft are logical Cross threaded connection.

The course of work of 3rd embodiment are as follows: by rotating adjusting nut 7, No. two sliding blocks 4 can be driven, the front and back on main shaft It is mobile, and No.1 sliding block 3 is fixed on main shaft 5, can be rotated；Therefore, rotating adjusting nut 7 can drive No.1 sliding block 3, two Sliding block 4 is mobile, to drive 4 lifting linking members, goes up and down supporting plate 1.

The preferable specific embodiment of the above, only the utility model；But the protection scope of the utility model is not It is confined to this.Anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its improvement design is subject to equivalent substitution or change, should all cover in the protection scope of the utility model It is interior.

Claims (6)

1. a kind of projector cabinet elevating mechanism, the supporting plate (1) including the fixed projector cabinet in upper end, the bottom with support face contact Plate (2), No.1 sliding block (3), No. two sliding blocks (4), main shaft (5), lifting linking member (6), 4 lifting linking members (6) respectively with support Plate (1), bottom plate (2), No.1 sliding block (3), No. two sliding blocks (4) are connected by bearing, the No.1 sliding block (3), No. two sliding blocks (4) It is connected with main shaft (5), it is characterised in that: projector cabinet elevating mechanism further includes a kind of structure for adjusting lifting.

2. a kind of projector cabinet elevating mechanism according to claim 1, it is characterised in that: the structure for adjusting lifting It is by main shaft (5) and the No.1 sliding block (3) being connected with main shaft (5) by bearing, No. two sliding block (4) structures being connected by screw thread At the No.1 sliding block (3) and main shaft (5) axial restraint only can be rotated, and No. two sliding blocks (4) and main shaft (5) can not turn It is dynamic, only moved axially by screw thread.

3. a kind of projector cabinet elevating mechanism according to claim 1, it is characterised in that: adjust lifting structure be by Main shaft (5) and the No.1 sliding block (3) being connected with main shaft (5) by screw thread, No. two sliding blocks (4) are constituted, the No.1 sliding block (3), No. two sliding blocks (4) can move on main shaft, and hand of spiral is opposite.

4. a kind of projector cabinet elevating mechanism according to claim 2 or 3, it is characterised in that: supporting plate (1) lifting is logical Crossing rotation main shaft (5) can drive No.1 sliding block (3), No. two sliding blocks (4) mobile, so that 4 lifting linking members (6) be driven to complete.

5. a kind of projector cabinet elevating mechanism according to claim 1, it is characterised in that: adjust lifting structure be by Main shaft (5) and the No.1 sliding block (3) being connected with main shaft (5) by bearing, No. two sliding blocks (4), the adjusting being connected by screw thread Nut (7) is constituted, and the No.1 sliding block (3) and main shaft (5) axial restraint only can be rotated, and No. two sliding blocks (4) can be in master Axis (5) rotationally and axially moves, and the adjusting nut (7) is located at No. two sliding block (4) right ends.

6. a kind of projector cabinet elevating mechanism according to claim 5, it is characterised in that: the lifting of supporting plate (1) is logical Rotating adjusting nut (7) are crossed, No.1 sliding block (3), No. two sliding blocks (4) can be driven mobile, to drive 4 lifting linking members (6) complete At.