CN211599967U - Multi-angle rotating clamping device for projection equipment - Google Patents

Abstract

The utility model discloses a multi-angle rotating's clamping device for projection equipment, including mount and motor, the inside fixed mounting of mount has the motor, and the output of motor and the fixed welding in top of being connected the outer pole, the stopper has been cup jointed on the surface of connecting the outer pole, the bottom surface of connecting the outer pole is fixed with first conical gear through the bearing frame, the surface of connecting the outer pole evenly is fixed with the fixed block, and the bottom of fixed block is provided with the fixture block, the bottom fixedly connected with third spring of fixture block, and the bottom mounting welding of third spring has the preformed groove, the inside connection inner rod that has cup jointed in bottom of connecting the outer pole, and the bottom mounting welding of connecting the inner rod has fixed case. The utility model discloses be provided with the motor and connect the outer pole, the rotation angle that fixed case can be adjusted to motor anticlockwise rotation, the height of being convenient for adjust fixed case when motor clockwise turning is convenient for fix the not projection equipment of equidimension through splint.

Description

Multi-angle rotating clamping device for projection equipment

Technical Field

The utility model relates to a clamping device technical field specifically is multi-angle rotating's clamping device for projection equipment.

Background

At present, projection equipment is widely applied to places such as meeting rooms, exhibition halls and the like, the projection equipment is used for showing various images, at present, the projection equipment is inconvenient to place on a table in a large meeting or a specific occasion, and the projection equipment is hung below a ceiling through a fixing box.

The clamping device for the projection equipment is not convenient for rotating by an angle, so that the application range of the projection equipment is reduced, and meanwhile, the height of the clamping device cannot be adjusted as required, so that the application effect of the projection equipment is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-angle rotating's clamping device for projection equipment to the problem of the highly inconvenient adjustment of rotation angle and clamping device is not convenient for to the clamping device who proposes among the above-mentioned background art is solved.

In order to achieve the above object, the utility model provides a following technical scheme: the multi-angle rotating clamping device for the projection equipment comprises a fixing frame and a motor, wherein the motor is fixedly installed inside the fixing frame, the output end of the motor is fixedly welded with the top end of a connecting outer rod, a limiting block is sleeved on the surface of the connecting outer rod, a first bevel gear is fixed on the bottom end surface of the connecting outer rod through a bearing seat, a fixing block is uniformly fixed on the surface of the connecting outer rod, a clamping block is arranged at the bottom end of the fixing block, a third spring is fixedly connected with the bottom end of the clamping block, a reserved groove is fixedly welded on the bottom end of the third spring, a connecting inner rod is sleeved inside the bottom end of the connecting outer rod, a fixing box is fixedly welded on the bottom end of the connecting inner rod, the back surface of the first bevel gear is meshed with the front surface of a second bevel gear, a gear ring is fixedly welded on the surface of the second bevel gear, the bottom fixed welding of rack has the slider, the inner wall both sides of fixed case all evenly are fixed with the second spring, and the inboard fixedly connected with splint of second spring, the right side bottom fixed welding of mount has first spring.

Preferably, the inside of stopper is provided with the through-hole, and the inner wall diameter size of through-hole is the same with the outer wall diameter size of connecting the outer pole.

Preferably, the splint are provided with two sets, and each set of splint is fixed with three sets of second springs correspondingly, splint are the symmetric distribution about the center pin of fixed case.

Preferably, an arc-shaped groove is formed in the top end of the fixed box, the inner wall of the arc-shaped groove is a smooth surface, the sliding block is inserted into the groove in the fixed box, and the sliding block and the fixed box form a sliding structure.

Preferably, the diameter of the outer wall of the fixture block is the same as that of the inner wall of the preformed groove, the fixture block is inserted into the preformed groove, and the fixture block and the preformed groove form a sliding structure.

Preferably, the fixed block and the fixture block have the same structure, one side of the fixed block is of an arc-shaped structure, and the other side of the fixed block is of a plane structure which is perpendicular to and connected with the surface of the outer rod.

Compared with the prior art, the beneficial effects of the utility model are that: this multi-angle rotating's clamping device for projection equipment is provided with the motor and connects the outer pole, and the rotation angle that fixed case can be adjusted to motor anticlockwise rotation, is convenient for adjust the height of fixed case when the motor rotates clockwise, is convenient for fix the projection equipment of equidimension not through splint.

(1) The device is provided with the motor and connects the outer pole, can drive fixed case when connecting outer pole anticlockwise rotation and rotate to can adjust projection equipment's rotation angle, improved projection equipment's application range.

(2) When the device internal connection outer lever rotates clockwise, through the connection of a series of parts, connect the outer lever and drive the rack and move down to be convenient for adjust the height of fixed case, improved projection apparatus's result of use, be convenient for fix not equidimension projection apparatus through splint in addition, improved the availability factor of fixed case.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic front view of a second bevel gear and a connecting inner rod structure of the present invention;

fig. 3 is a schematic bottom sectional view of the first bevel gear and the fixing block structure of the present invention.

In the figure: 1. a fixed mount; 2. a motor; 3. a limiting block; 4. connecting the outer rod; 5. a first bevel gear; 6. a ring gear; 7. a second bevel gear; 8. a first spring; 9. a second spring; 10. a splint; 11. a fixed box; 12. a slider; 13. connecting the inner rod; 14. a rack; 15. a clamping block; 16. a third spring; 17. reserving a groove; 18. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: the multi-angle rotating clamping device for the projection equipment comprises a fixing frame 1 and a motor 2, wherein the motor 2 is fixedly installed inside the fixing frame 1, the output end of the motor 2 is fixedly welded with the top end of a connecting outer rod 4, the model of the motor 2 is YZU, the fixing frame 1 is fixed on a wall surface, a limiting block 3 is sleeved on the surface of the connecting outer rod 4, a through hole is formed inside the limiting block 3, the diameter of the inner wall of the through hole is the same as that of the outer wall of the connecting outer rod 4, the limiting block 3 limits the position of the connecting outer rod 4 to avoid the position of the connecting outer rod 4 from deviating, a first bevel gear 5 is fixed on the surface of the bottom end of the connecting outer rod 4 through a bearing seat, a fixing block 18 is uniformly fixed on the surface of the connecting outer rod 4, a clamping block 15 is arranged at the bottom end of the fixing block 18, and the, the fixture block 15 is inserted in the reserved groove 17, the fixture block 15 and the reserved groove 17 form a sliding structure, the structures of the fixing block 18 and the fixture block 15 are the same, one side of the fixing block 18 is of an arc structure, the other side of the fixing block 18 is of a plane structure perpendicular to the surface of the outer rod 4, when the fixture block 15 contracts into the reserved groove 17, the fixing block 18 is not clamped with the fixture block 15, when the fixture block 15 extends out of the reserved groove 17, the fixing block 18 is conveniently clamped with the fixture block 15, the fixing block 18 drives the first bevel gear 5 to rotate, the bottom end of the fixture block 15 is fixedly connected with the third spring 16, and the reserved groove 17 is fixedly welded at the bottom end of the third spring 16.

A connecting inner rod 13 is sleeved inside the bottom end of the connecting outer rod 4, a fixed box 11 is fixedly welded at the bottom end of the connecting inner rod 13, an arc-shaped groove is formed inside the top end of the fixed box 11, the inner wall of the arc-shaped groove is a smooth surface, a sliding block 12 is inserted into the groove inside the fixed box 11, the sliding block 12 and the fixed box 11 form a sliding structure, the sliding block 12 slides in the groove inside the fixed box 11 when the fixed box 11 rotates, the rotation of the fixed box 11 is not influenced, the connecting inner rod 13 can only slide up and down inside the connecting outer rod 4 and can not rotate inside the connecting outer rod 4, the back surface of a first bevel gear 5 is meshed with the front surface of a second bevel gear 7, a gear ring 6 is fixedly welded on the surface of the second bevel gear 7, the left side of the gear ring 6 is meshed with the right side of a rack 14, the sliding block 12 is fixedly welded at the bottom end of the rack 14, second springs 9 are uniformly fixed on, and the inboard fixedly connected with splint 10 of second spring 9, the right side bottom fixed welding of mount 1 has first spring 8, splint 10 are provided with two sets ofly, and every group correspondence of splint 10 is fixed with three sets of second springs 9, and splint 10 is the symmetric distribution about the center pin of fixed case 11, makes the inside of fixed case 11 be convenient for place the projection equipment of equidimension not through the elasticity of second spring 9, has improved the application range of fixed case 11.

The working principle is as follows: when the projection device is used, the length of the rack 14 extending out of the fixing frame 1 is shortest, the height of the fixing box 11 is highest, the projection device is placed in the fixing box 11, the projection device extrudes the clamping plates 10 and the second spring 9 towards the outer side of the fixing box 11, under the resilience of the second spring 9, the two groups of clamping plates 10 tightly extrude and fix the projection device, the projection devices with different sizes are conveniently placed in the fixing box 11 through the second spring 9, the control button of the operation wall surface supplies power to the motor 2 through the external power supply, when the motor 2 works and drives the connecting outer rod 4 to rotate anticlockwise, the connecting outer rod 4 drives the fixing block 18 to rotate anticlockwise, as the contact surfaces of the fixing block 18 and the clamping block 15 are both arc-shaped structures, the fixing block 18 downwards extrudes the clamping block 15 to enable the clamping block 15 to stretch into the reserved groove 17, the third spring 16 is compressed and deformed, and the fixing block 18 slides, inside that the fixture block 15 stretches out the reservation groove 17 under the elasticity of third spring 16 continues the same operation, connects outer pole 4 and drives and connect interior pole 13 and fixed case 11 anticlockwise rotation simultaneously, and slider 12 slides in the inside curved recess of fixed case 11, as required, when fixed case 11 rotates suitable position motor 2 stop work, fixed case 11 rotates suitable angle, the projection equipment of being convenient for uses.

When the motor 2 drives the connecting outer rod 4 to rotate clockwise, the connecting outer rod 4 drives the fixing block 18 to rotate clockwise, because the contact surfaces of the fixing block 18 and the clamping block 15 are horizontal planes, the fixing block 18 drives the clamping block 15 and the first bevel gear 5 to rotate clockwise simultaneously, the first bevel gear 5 is meshed with the second bevel gear 7, the first bevel gear 5 drives the second bevel gear 7 to rotate anticlockwise, the second bevel gear 7 drives the rack 14 to move downwards, the height of the fixing box 11 is reduced, and the using effect of the projection device is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. Multi-angle rotating's clamping device for projection equipment, including mount (1) and motor (2), its characterized in that: the inner fixing structure is characterized in that a motor (2) is fixedly mounted inside the fixing frame (1), the output end of the motor (2) is fixedly welded with the top end of the outer connecting rod (4), a limiting block (3) is sleeved on the surface of the outer connecting rod (4), a first bevel gear (5) is fixed on the bottom surface of the outer connecting rod (4) through a bearing seat, a fixing block (18) is uniformly fixed on the surface of the outer connecting rod (4), a clamping block (15) is arranged at the bottom end of the fixing block (18), a third spring (16) is fixedly connected to the bottom end of the clamping block (15), a reserved groove (17) is welded at the bottom end of the third spring (16), a connecting inner rod (13) is sleeved inside the bottom end of the outer connecting rod (4), a fixing box (11) is welded at the bottom end of the connecting inner rod (13), the back face of the first bevel gear (5) is meshed with the front face of the second bevel, the fixed welding in surface of second cone gear (7) has ring gear (6), and the left side of ring gear (6) meshes with the right side of rack (14) mutually, the bottom mounting welding of rack (14) has slider (12), the inner wall both sides of fixed case (11) all evenly are fixed with second spring (9), and the inboard fixedly connected with splint (10) of second spring (9), the right side bottom mounting welding of mount (1) has first spring (8).

2. The multi-angle rotating clamping device for the projection equipment as claimed in claim 1, wherein: the inside of stopper (3) is provided with the through-hole, and the inner wall diameter size of through-hole is the same with the outer wall diameter size of connecting outer pole (4).

3. The multi-angle rotating clamping device for the projection equipment as claimed in claim 1, wherein: the clamping plate (10) is provided with two groups, each group of the clamping plate (10) is correspondingly fixed with three groups of second springs (9), and the clamping plate (10) is symmetrically distributed about the central axis of the fixed box (11).

4. The multi-angle rotating clamping device for the projection equipment as claimed in claim 1, wherein: the top of fixed case (11) is inside to be provided with the arc recess, and the inner wall of arc recess is the smooth surface, slider (12) are inserted and are established in the inside recess of fixed case (11), slider (12) and fixed case (11) constitution slidingtype structure.

5. The multi-angle rotating clamping device for the projection equipment as claimed in claim 1, wherein: the diameter of the outer wall of the clamping block (15) is the same as that of the inner wall of the reserved groove (17), the clamping block (15) is inserted into the reserved groove (17), and the clamping block (15) and the reserved groove (17) form a sliding structure.

6. The multi-angle rotating clamping device for the projection equipment as claimed in claim 1, wherein: the structure of the fixed block (18) is the same as that of the fixed block (15), one side of the fixed block (18) is of an arc structure, and the other side of the fixed block (18) is of a plane structure which is perpendicular to and connected with the surface of the outer rod (4).

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