CN102809883B - Rotator of projector frame - Google Patents

Abstract

The invention discloses a projector rack turret, which comprises a base plate, a turret piece, a turret seat, a turret plate, a slider and a slider joint. Taking the use direction as a reference, the turret piece can rotate around a longitudinal axis and be positioned at On the upper side of the base plate, the turret base can be rotated back and forth around the horizontal axis in the longitudinal plane and positioned on the upper side of the turret piece, and the turret plate can be rotated left and right around the horizontal axis in the longitudinal plane and positioned on the upper side of the turret base. The slider is fixed on the top of the rotating head plate, and the lower end of the slider joint can be disassembled and fixed on the outside of the slider. The invention can adjust the projector in all directions and from multiple angles, which is convenient for use and viewing, and has high projection clarity. It is also easy to install and disassemble, easy to use, time-saving and labor-saving.

Description

Projector Stand Rotor

technical field

The invention relates to a projector frame, in particular to a projector frame rotary head.

Background technique

At present, the common projector racks have simple functions, and it is difficult to realize all-round and multi-angle adjustment functions, which has a certain impact on the clarity of the projector's projection, and it is inconvenient to use and adjust, wasting time. During the installation and removal of the projector Due to the time-consuming and labor-intensive installation, it is easy to cause the fatigue of the installers, and even damage the projector.

Contents of the invention

In order to overcome the above-mentioned defects, the present invention provides a projector frame rotor, the projector frame using the projector frame rotor is convenient to use and adjust, and the installation and disassembly is simple and labor-saving.

The technical solution adopted by the present invention in order to solve the technical problems: a projector frame rotor, including a base plate, a rotor part, a rotor seat, a rotor plate, a slider and a slider joint, with the direction of use as the reference, the rotation The head piece can be rotated around the longitudinal axis and positioned on the upper side of the base plate, the turret seat can be rotated back and forth around the horizontal axis in the longitudinal plane and positioned on the upper side of the turret piece, and the turret plate can be left and right around the horizontal axis in the longitudinal plane The rotation is positioned on the upper side of the rotor base (the horizontal axis of the rotor base and the rotor plate is in a vertical state), the slider is fixed above the rotor plate, and the lower end of the slider joint can be disassembled and fixed on the On the outer side of the slider, the projector frame turning head can realize the rotation adjustment function of the projector in all directions, and at the same time, it is convenient for installation and disassembly of the projector, and is easy to use.

As a further improvement of the present invention, the structure that the turret can be rotated around the longitudinal axis and positioned on the upper side of the substrate is as follows: the substrate is provided with at least two connecting holes on the same circumference and a first center concentric with the circumference The lower side of the turret is provided with a first arc-shaped elongated hole and a second central hole that are consistent with the position and number of the connecting holes on the substrate. The same circumference, also provided with the first connecting bolt and the first connecting nut, the first connecting bolt can just pass through the first arc-shaped elongated hole and the second central hole of the turret piece, the connecting hole of the base plate and the first central hole in turn. The hole is finally screwed with the first connecting nut, and the head of the first connecting bolt and the first connecting nut are respectively stopped on the back side of the rotor plate and the base plate. Of course, the first connecting bolt and the first connecting nut can also be It is other connecting structures such as rivets and bolts, which can be easily imagined by those skilled in the art according to this patent; at least three connecting holes located on the same circumference can be set on the base plate, and the corresponding connecting parts are provided with their number and There are at least three first arc-shaped elongated holes in a consistent position. This structure can also realize the stable connection between the base plate and the rotating part, and satisfy its function of rotating around the longitudinal axis. Of course, this can also be achieved through the cooperation of the longitudinal axis and the holes. The rotation function is a structure that those skilled in the art can think of according to this patent. When in use, the rotation of the projector around the longitudinal axis can be realized by rotating the substrate.

As a further improvement of the present invention, at least one arc-shaped protrusion is provided on the base plate. The position of the upper arc-shaped protrusion corresponds to the second arc-shaped elongated hole with the same radian. The arc-shaped protrusion on the base plate can be movably inserted into the second arc-shaped elongated hole of the rotating member. The arc-shaped elongated hole on the base plate The longitudinal side wall of the protrusion is also provided with a horizontal long hole, the side wall of the rotary head is also provided with a perforation corresponding to the position of the long hole on the arc protrusion on the base plate, and a second connecting nut and a second connecting nut are also provided. Bolt, the second connecting bolt can pass through the perforation on the side wall of the turret and the elongated hole on the arc protrusion of the substrate in turn and finally screwed with the second connecting nut, the head of the second connecting bolt and the first The two connecting nuts stop respectively on the side wall of the rotor plate and on the back side of the arc protrusion on the base plate, so as to ensure that the base plate and the rotating part are connected stably and firmly and rotate smoothly when they rotate relative to each other.

As a further improvement of the present invention, the structure in which the turret base can rotate back and forth around the horizontal axis in the longitudinal plane and positioned on the upper side of the turret is as follows: the turret has a U-shaped structure, and there are There is a position and shape corresponding to the third arc-shaped elongated hole, and the turret seat can be inserted into the U-shaped space of the turret piece. The first threaded hole is provided with a third connecting bolt, and the third connecting bolt passes through the third arc-shaped elongated hole on the turret piece and is screwed with the first threaded hole on the turret seat. When in use, loosen the first Three connecting bolts, so that the turret base rotates in the turret, at this time the third connecting bolt slides in the third arc-shaped elongated hole, when the angle is adjusted properly, tighten the third connecting bolt, at this time The position between the rotor seat and the rotor plate is fixed by friction. In addition to this structure, there are other structures that can also achieve this function. For example, the function of rotation and positioning can also be realized through the cooperation of the toothed strip hole and the shaft. For another example, the above-mentioned functions can also be realized by hinged at one end of the swivel seat and the swivel piece, and the other end is rotated by the cam to stop the top. These are the structures that those skilled in the art can think of without paying creative labor according to this patent.

As a further improvement of the present invention, a sliding pad is provided between the turret member and the turret seat to increase the friction between the turret seat and the turret member and make the angular positioning between them more stable.

As a further improvement of the present invention, the structure in which the turret plate can be rotated left and right around a horizontal axis in the longitudinal plane and positioned on the upper side of the turret base is as follows: the turret base is provided with two parallel first through holes, The turret plate has a U-shaped structure, and the turret plate is just sleeved on the outside of the turret seat. The turret plate is provided with a second through-hole and a fourth arc-shaped hole corresponding to the positions of the two first through-holes on the turret seat. The elongated hole is also provided with a pin shaft, a circlip, a fourth connecting bolt and a third connecting nut, and the pin shaft is correspondingly inserted into the first through hole on the turret seat and the second through hole on the turret plate , the circlip is fixedly clamped at both ends of the pin shaft in the axial direction, the axial end faces of the circlip are respectively stopped on the two side walls of the rotor plate, and the fourth connecting bolt is correspondingly passed through the first through hole on the rotor seat and the rotor The fourth arc-shaped elongated hole on the board is screwed with the third connecting nut. The head of the fourth connecting bolt and the third connecting nut stop respectively on the side wall of the rotor plate and the rotor seat, and the pin shaft becomes The axis of rotation between the rotating plate and the rotating action. When they rotate relative to each other, the fourth connecting bolt will slide in the fourth arc-shaped elongated hole, and finally lock through the fourth connecting bolt and the third connecting nut. The positioning is realized by increasing the friction between the rotating plate and the rotating seat, and the structure that can realize the above function is also the connection structure between the rotating head seat and the rotating head member as mentioned above.

As a further improvement of the present invention, the structure that the lower end of the slider joint can be disassembled and fixedly sleeved on the outside of the slider is as follows: a pair of back-facing side walls of the slider are respectively retracted to form a slideway, and one end of the slideway is connected to the slideway. One end of the block forms a stepped stop surface, and there is a T-shaped open slot under the slider joint. The slider can just be inserted into the T-shaped open slot of the slider joint. The wall is just against the slideway of the slider, and one end wall of the slider joint along the length direction of the slideway stops on the step stop surface of the slider, and a through hole is also provided on the side wall of the slider joint, and the side wall of the slider There is a second threaded hole corresponding to the position of the through hole on the top, and a screw is also provided. The screw passes through the through hole of the slider joint and finally is screwed with the second threaded hole of the slider. When in use, the slider and the The quick installation and disassembly of the slider joint realizes the quick installation and disassembly of the projector. It is easy to use and effectively avoids damage to the projector during the installation process. Of course, it can also be other quick release structures, such as the common elastic The buckle structure realizes quick assembly and then is fixed by screws.

The beneficial effects of the present invention are: the present invention can adjust the projector in all directions and multiple angles, is convenient to use and watch, has high projection definition, and is also easy to install and disassemble, convenient to use, time-saving and labor-saving.

Description of drawings

Fig. 1 is an exploded view of the present invention;

Fig. 2 is a schematic diagram of the first use state of the present invention;

Fig. 3 is a schematic diagram of the second use state of the present invention.

Detailed ways

Embodiment: A kind of projector frame rotor, including substrate 1, rotor part 2, rotor seat 3, rotor plate 4, slider 5 and slider joint 6, based on the direction of use, the rotor part 2 can Rotate around the longitudinal axis and be positioned on the upper side of the base plate 1, the turret base 3 can rotate back and forth around the horizontal axis in the longitudinal plane and be positioned on the upper side of the turret 2, the turret plate 4 can rotate around the horizontal axis in the longitudinal plane Left and right rotation is positioned on the upper side of the rotor base 3 (the horizontal axis of rotation of the rotor base 3 and the rotor plate 4 is in a vertical state), the slider 5 is fixed on the top of the rotor plate 4, and the slider joint 6 The lower end can be disassembled and fixedly sleeved on the outside of the slide block 5. The projector frame turning head can realize the rotation adjustment function of the projector in all directions and is convenient for installation and disassembly of the projector, and is easy to use.

The structure that the turret 2 can be rotated around the longitudinal axis and positioned on the upper side of the substrate 1 is as follows: the substrate 1 is provided with at least two connecting holes 11 on the same circumference and a first center hole 12 concentric with the circumference, The lower side of the turret 2 is provided with a first arc-shaped elongated hole 21 and a second central hole 22 that are consistent with the position and number of the connection holes 11 on the substrate 1, and the arc of the first arc-shaped elongated hole 21 is just in line with the substrate 1. The circumference where the connecting holes 11 are located is the same, and a first connecting bolt 24 and a first connecting nut 25 are also provided. The first connecting bolt 24 can pass through the first arc-shaped elongated hole 21 and the second The two central holes 22 and the base plate 1 connecting hole 11 and the first central hole 12 are finally screwed with the first connecting nut 25, and the head of the first connecting bolt 24 and the first connecting nut 25 stop at the rotor plate 4 and the first connecting nut 25 respectively. On the side facing away from the base plate 1, of course, the first connecting bolt 24 and the first connecting nut 25 can also be other connecting structures such as rivets, bolts, etc., which can be easily imagined by those skilled in the art according to this patent. At least three connecting holes 11 located on the same circumference can be provided, and at least three first arc-shaped elongated holes 21 consistent with their number and position can be provided on the corresponding connecting piece. This structure can also realize the The connection is stable and satisfies its function of rotating around the longitudinal axis. Of course, the rotation function can also be realized through the cooperation of the longitudinal axis and the hole. These are the structures that those skilled in the art can think of according to this patent. When using, rotate the substrate 1 can realize the rotation adjustment of the projector around the longitudinal axis.

The substrate 1 is also provided with at least one arc-shaped projection 13, the axis of which is the same as the axis of the circumference of the connection hole 11 on the substrate 1, and the bottom surface of the turret part 2 is provided with a The arc-shaped protrusion 13 on the base plate 1 corresponds to the second arc-shaped elongated hole 26 with the same arc, and the arc-shaped protrusion 13 on the base plate 1 can be movably inserted into the second arc-shaped elongated hole 26 of the rotating member. Inside, the arc-shaped protrusion 13 on the base plate 1 is also provided with a horizontal elongated hole 14 on the longitudinal side wall, and the side wall of the turret part 2 is also provided with a position corresponding to the position of the elongated hole 14 on the arc-shaped protrusion on the base plate 1. Perforation, also provided with a second connecting nut 15 and a second connecting bolt 16, the second connecting bolt 16 can just pass through the perforation on the side wall of the turret 2 and the elongated hole 14 on the arc protrusion of the substrate 1 in sequence And finally screwed with the second connecting nut 15, the head of the second connecting bolt 16 and the second connecting nut 15 respectively stop on the side wall of the rotor plate 4 and the back side of the circular arc protrusion on the base plate 1 to ensure When the base plate 1 and the rotating member rotate relative to each other, the connection is stable and firm, and the rotation is smooth.

The structure of the turret base 3 that can rotate back and forth around the horizontal axis of rotation in the longitudinal plane and positioned on the upper side of the turret 2 is as follows: the turret 2 is a U-shaped structure, and its two longitudinal side walls are provided with positions and shapes. Corresponding to the third arc-shaped elongated hole 27, the turret base 3 can just be inserted into the U-shaped space of the turret piece 2, and the turret base 3 is provided with the third arc-shaped elongated hole 27 on the turret piece 2. The first threaded hole 31 corresponding to the position is provided with a third connecting bolt 32, and the third connecting bolt 32 passes through the third arc-shaped elongated hole 27 on the turret 2 and is screwed with the first threaded hole 31 on the turret seat 3. Then, when in use, first loosen the third connecting bolt 32 so that the turret seat 3 rotates in the turret member 2, at this time the third connecting bolt 32 slides in the third arc-shaped elongated hole 27, when the angle is adjusted After it is suitable, just tighten the third connecting bolt 32. At this time, the position between the turret seat 3 and the turret plate 4 is fixed by friction. In addition to this structure, there are other structures that can also realize this function, such as through belt The function of rotation and positioning can also be realized by the cooperation of the bar-shaped hole of the tooth with the shaft. For example, the hinged connection between the swivel seat 3 and the swivel part 2 at one end, and the other end can also realize the above-mentioned functions through the rotation of the cam. The structure that personnel can think of without paying creative labor according to this patent.

A sliding pad 7 is also provided between the turret piece 2 and the turret base 3 to increase the friction between the turret base 3 and the turret piece 2 and make the angular positioning between them more stable.

The structure that the said turret plate 4 can rotate left and right around the horizontal axis in the longitudinal plane and positioned on the upper side of the turret base 3 is: the turret base 3 is provided with two parallel first through-holes 33, the turret plate 4 is a U-shaped structure, and the turret plate 4 is just sleeved on the outside of the turret base 3. The turret plate 4 is provided with second through-holes 41 corresponding to the positions of the two first through-holes 33 on the turret base 3 respectively. And the fourth arc-shaped elongated hole 42 is also provided with a pin shaft 43, a snap ring 44, a fourth connecting bolt 45 and a third connecting nut 46, and the pin shaft 43 is correspondingly inserted into the first through hole on the turret seat 3 33 and the second through hole 41 on the rotor plate 4, the circlip 44 is fixedly clamped at the two axial ends of the pin shaft 43, and the axial end faces of the circlip 44 are respectively stopped on the two side walls of the rotor plate 4. The four connecting bolts 45 pass through the first through hole 33 on the turret base 3 and the fourth arc-shaped elongated hole 42 on the turret plate 4 and are screwed with the third connecting nut 46. The heads of the fourth connecting bolt 45 and The third connecting nut 46 stops respectively on the side wall facing away from the turret plate 4 and the turret seat 3, and the pin shaft 43 becomes the axis of rotation between the rotating plate and the rotating action. When they rotate relative to each other, the fourth connection The bolt 45 will slide in the fourth arc-shaped elongated hole 42, and finally through the locking between the fourth connecting bolt 45 and the third connecting nut 46, the friction between the rotating plate and the rotating seat is increased to realize positioning, which can realize The structure of the above functions also includes the connection structure between the aforementioned turret seat and the turret component.

The lower end of the slider joint 6 can be disassembled and fixedly sleeved on the outside of the slider 5. The structure is as follows: a pair of side walls facing away from the slider 5 are respectively retracted to form a slideway 51, and one end of the slideway 51 is connected to the slider 5. A stepped stop surface 52 is formed at one end, and a T-shaped opening groove 61 is provided under the slider joint 6. The slider 5 can just be inserted into the T-shaped opening groove 61 of the slider joint 6, and the T-shaped opening of the slider joint 6 The side wall of the opening of the groove 61 is just against the slideway 51 of the slider 5, and the end wall of the slider joint 6 along the length direction of the slideway 51 stops on the step stop surface 52 of the slider 5, and the slider joint 6 The side wall of 6 is also provided with a through hole, and the side wall of slider 5 is provided with a second threaded hole corresponding to the position of the through hole, and is also provided with a screw, which passes through the through hole of slider joint 6 and finally connects with the slider The second threaded hole of the block 5 is screwed. When in use, the rapid installation and disassembly of the projector can be realized through the quick installation and disassembly of the slider 5 and the slider joint 6. In the event of damage in the middle, of course, it can also be other quick-release structures, such as the common elastic buckle structure to achieve quick assembly and then fixed by screws.

Claims (7)

1. a projector rack rotary head, it is characterized in that: comprise substrate (1), rotary head part (2), rotor base (3), rotary head plate (4), slide block (5) and slide block joint (6), the use direction of take is benchmark, rotary head part (2) can be around longitudinal axis rotational positioning in substrate (1) upside, rotor base (3) can be in fore-and-aft plane before and after the rotating shaft of horizontal direction rotational positioning in rotary head part (2) upside, rotary head plate (4) can the rotating shaft left-right rotation around horizontal direction be positioned rotor base (3) upside in fore-and-aft plane, slide block (5) is fixedly arranged on rotary head plate (4) top, slide block joint (6) lower end can be dismantled fixed cover and is located at slide block (5) outside.

2. projector rack rotary head according to claim 1, it is characterized in that: described rotary head part (2) can in the structure of substrate (1) upside be around longitudinal axis rotational positioning: substrate (1) is provided with at least two connecting hole (11) and first center pits (12) concentric with this circumference that are positioned on same circumference, rotary head part (2) downside is provided with first arcuation strip hole (21) and second center pit (22) consistent with upper connecting hole (11) position of substrate (1) and quantity, the radian in this first arcuation strip hole (21) is just identical with the circumference at the upper connecting hole (11) of substrate (1) place, also be provided with the first coupling bolt (24) and the first attaching nut (25), the first coupling bolt (24) be able to pass successively the first arcuation strip hole (21) and the second center pit (22) and substrate (1) connecting hole (11) and first center pit (12) of rotary head part (2) and finally be spirally connected with the first attaching nut (25), the head of the first coupling bolt (24) and the first attaching nut (25) difference backstop are on the side dorsad of rotary head plate (4) and substrate (1).

3. projector rack rotary head according to claim 2, it is characterized in that: on substrate (1), be also provided with at least one arc-shaped convex (13), the axle center of this arc-shaped convex (13) is identical with the axle center of the upper connecting hole (11) of substrate (1) place circumference, rotary head part (2) bottom surface is provided with the second arcuation strip hole (26) corresponding with the upper arc-shaped convex (13) of substrate (1) position and that radian is consistent, the upper arc-shaped convex (13) of substrate (1) be able to movable be inserted in the second arcuation strip hole (26) of tumbler, on upper arc-shaped convex (13) longitudinal side wall of substrate (1), be also provided with the strip hole (14) of level, rotary head part (2) sidewall is also provided with the perforation corresponding with strip hole (14) position in the upper circular arc projection of substrate (1), also be provided with the second attaching nut (15) and the second coupling bolt (16), the second coupling bolt (16) be able to also finally be spirally connected with the second attaching nut (15) through the perforation on the sidewall of rotary head part (2) and the strip hole (14) in substrate (1) circular arc projection successively, the head of the second coupling bolt (16) and the second attaching nut (15) difference backstop are on the side dorsad of rotary head plate (4) sidewall and the upper circular arc projection of substrate (1).

4. projector rack rotary head according to claim 1, it is characterized in that: described rotor base (3) can around the rotating shaft front and back of horizontal direction rotational positioning in the structure of rotary head part (2) upside be in fore-and-aft plane: rotary head part (2) is U-shaped structure, its two longitudinal side wall is provided with position and corresponding the 3rd arcuation strip hole (27) of shape, rotor base (3) be able to be inserted in the U-shaped space of rotary head part (2), rotor base (3) is provided with first threaded hole (31) corresponding with upper the 3rd position, arcuation strip hole (27) of rotary head part (2), be provided with the 3rd coupling bolt (32), the 3rd coupling bolt (32) passes upper the 3rd arcuation strip hole (27) of rotary head part (2) and is spirally connected with upper the first threaded hole of rotor base (3) (31).

5. projector rack rotary head according to claim 4, is characterized in that: between described rotary head part (2) and rotor base (3), be also provided with skidding (7).

6. projector rack rotary head according to claim 1, it is characterized in that: the structure that described rotary head plate (4) can be in fore-and-aft plane be positioned rotor base (3) upside around the rotating shaft left-right rotation of horizontal direction is: on rotor base (3), be provided with two parallel first and run through through hole (33), rotary head plate (4) is U-shaped structure, rotary head plate (4) is just sheathed on rotor base (3) outside, rotary head plate (4) be provided with respectively with rotor base (3) upper two first run through through hole (33) position corresponding second run through through hole (41) and the 4th arcuation strip hole (42), also be provided with bearing pin (43), jump ring (44), the 4th coupling bolt (45) and the 3rd attaching nut (46), bearing pin (43) correspondence is inserted in that rotor base (3) upper first runs through through hole (33) and rotary head plate (4) upper second runs through in through hole (41), jump ring (44) fixed card is placed in axially two ends of bearing pin (43), jump ring (44) axial end difference backstop is on rotary head plate (4) two side, the 4th coupling bolt (45) is corresponding to be run through through hole (33) and upper the 4th arcuation strip hole (42) of rotary head plate (4) and is spirally connected with the 3rd attaching nut (46) through rotor base (3) upper first, the 4th coupling bolt (45) head and the 3rd attaching nut (46) difference backstop are on rotary head plate (4) and rotor base (3) sidewall dorsad.

7. projector rack rotary head according to claim 1, it is characterized in that: described slide block joint (6) lower end can be dismantled fixed cover and is located at the structure in slide block (5) outside and be: on a pair of two side dorsad of slide block (5), correspondence inside contracts and forms slideway (51) respectively, slideway (51) one end and slide block (5) one end form a step stop surface (52), slide block joint (6) below is provided with T-shaped open slot (61), slide block (5) be able to be inserted in the T-shaped open slot (61) of slide block joint (6), the sidewall of the opening of the T-shaped open slot (61) of slide block joint (6) is just tight against on the slideway (51) of slide block (5), slide block joint (6) along an end wall backstop of slideway (51) length direction on slide block (5) step stop surface (52), on the sidewall of slide block joint (6), be also provided with a through hole, on slide block (5) sidewall, be provided with one second threaded hole with this lead to the hole site corresponding position, also be provided with a screw, this screw is spirally connected through through hole second threaded hole final and slide block (5) of slide block joint (6).