CN213513081U - Telescopic mechanism of projection device for display - Google Patents

Abstract

The utility model relates to a telescopic mechanism of a projection device for display, belonging to the technical field of projection equipment; a first motor is fixed on the right side of the fixing seat, a bidirectional screw rod is fixed after an output shaft of the first motor penetrates through the right side wall of the fixing seat, threads on the bidirectional screw rod are oppositely arranged from the middle to the left and right ends respectively, two guide ring blocks are rotatably sleeved on the bidirectional screw rod through the left and right oppositely arranged threads, a sliding block is fixed on the upper side of each guide ring block, a sliding rail is fixed on the inner top surface of the fixing seat, the sliding block is arranged on the sliding rail in a left-right sliding manner, a first hinge seat is fixed at the bottom of each guide ring block, a support rod is hinged to the bottom of the first hinge seat through a hinge shaft, a support block is arranged on the lower side of the bidirectional screw rod, a guide groove is formed in the support block; can drive projection arrangement and carry out the regulation within a certain range according to throwing the screen demand to satisfy different user of service personnel to projection arrangement's requirement.

Description

Telescopic mechanism of projection device for display

Technical Field

The utility model relates to a throw screen equipment technical field, concretely relates to projection arrangement's telescopic machanism for show.

Background

The computer projection equipment is output equipment commonly used in a computer system and is one of the commonly used equipment forming a multimedia display system, the multimedia display system usually completes the copy and transmission of the picture content of a computer display to a projection screen, and realizes the large-screen display of the content of the computer display, so the computer projection equipment is one of necessary equipment in occasions such as schools, studios, cinemas and the like; the projection device is generally installed on a roof or placed on a desktop for use, can be used only at a certain fixed position, cannot be adjusted in position, and cannot better meet the requirements of users on the projection device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's projecting apparatus's telescopic machanism for show can drive projecting apparatus and carry out the regulation in the certain limit according to throwing the screen demand to satisfy different user of service personnel to projecting apparatus's requirement.

In order to achieve the above object, the utility model adopts the following technical scheme: the height fine-adjustment mechanism is arranged between a vertical end in the supporting frame and the fixed seat, the support is arranged on the right side of a horizontal end in the supporting frame, and the movement adjusting mechanism is arranged in the horizontal end in the supporting frame;

the height fine adjustment mechanism comprises a first motor, a two-way screw rod, a guide ring block, a first hinge seat, a second hinge seat, a support rod and a support block, wherein the first motor is fixed on the right side of the fixed seat, the two-way screw rod is fixed after an output shaft of the first motor penetrates through the right side wall of the fixed seat, the other end of the two-way screw rod is screwed on the fixed seat through a bearing, threads on the two-way screw rod are oppositely arranged towards the left end and the right end from the middle respectively, the two guide ring blocks are rotatably sleeved on the two-way screw rod through the left threads and the right threads which are oppositely arranged, a slide block is fixed on the upper side of the guide ring block, a slide rail is fixed on the inner top surface of the fixed seat, the slide block is arranged on the slide rail in a left-right sliding manner, the first hinge seat is fixed at the bottom of the guide ring block, the support rod is, two guide blocks are arranged in the guide groove in a left-right sliding mode, the two guide blocks are arranged in a bilaterally symmetrical mode, limiting grooves are formed in support blocks located on the front side and the rear side of the guide groove in a penetrating mode, limiting blocks are fixed on the front side and the rear side of each guide block and are arranged in the corresponding limiting grooves in a sliding mode, a second hinge seat is fixed on each guide block, the bottom end of each support rod is hinged into the second hinge seat through a hinge shaft, the left support rod and the right support rod are arranged in a front-back crossed mode, the crossed positions are arranged in a screwed mode through rotating shafts, sliding blocks are fixed on the left side and the right side of each support block, sliding grooves are formed in the inner walls of the left side and the right side of each fixing;

the moving adjusting mechanism comprises a second motor, a support sleeve, a pushing frame, a pushing block and a connecting block, wherein a groove is formed in the horizontal end of the support frame, the second motor is fixed on the front side of the horizontal end of the support frame, the output shaft of the second motor penetrates through the side wall of the groove and is arranged in the groove, a rotating shaft is fixed on the output shaft of the second motor, the support sleeve is sleeved and fixed on the rotating shaft, the pushing frame is fixed on the support sleeve, a slot is formed in the pushing frame, the pushing block is inserted in the slot, guide grooves are formed in the pushing frame on the front side and the rear side of the slot in a penetrating manner, a guide shaft is inserted and fixed in one end of the pushing block in the slot, the front end and the rear end of the guide shaft are respectively arranged in the corresponding guide grooves in a sliding manner, pushing grooves are formed in the inner walls of the upper side and the lower side of the groove, push rods are fixed on the upper side and the, a connecting block is fixed on the right side of the pushing block, and the right side of the connecting block is fixedly connected with the support;

the fixing base on be fixed with control panel, a motor, No. two motors, control panel all are connected with external power source, wherein, a motor, No. two motors still are connected with control panel respectively.

Furthermore, a limiting boss is fixed at the middle part of the bidirectional screw rod.

Furthermore, limit stops are symmetrically fixed in the right side of the support in the front-back direction.

Further, the support in be provided with the supporting shoe, turn right from a left side on the interior bottom surface of support and be fixed with three articulated seats in proper order, electric putter, turn right from a left side from the bottom of supporting shoe and be fixed with the lug in proper order, the guide seat, the lug sets up in three articulated seats, and set up through articulated axle, the bottom of guide seat has been seted up and has been pushed away the groove, electric putter's upper end catch end is inserted and is established in this pushes away the inslot, it has seted up the spout to be located to have a perfect understanding on the guide seat of pushing away both sides around the groove, electric putter's promotion is served and is fixed with the slide bar around the symmetry, the slide bar horizontal slip sets up in the spout, electric.

Furthermore, a supporting pad is fixed on the supporting block.

After the structure is adopted, the utility model discloses beneficial effect does:

1. the projection height position of the projection equipment is changed by driving the support frame to adjust within a certain height range and driving the projection equipment to stretch in height;

2. the push block is pushed to move in the left-right direction through the rotation of the push frame, so that the connecting block and the support are driven to move, the projection equipment stretches in the left-right direction, the projection position of the projection equipment is changed, and the projection image is changed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a sectional view taken along line a-a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 3.

Fig. 5 is an enlarged view of the portion C in fig. 3.

Fig. 6 is an enlarged view of a portion D in fig. 3.

Fig. 7 is a view of portion E of fig. 1.

Fig. 8 is a schematic structural diagram of the utility model between the middle support block, the guide block and the limiting block.

Description of reference numerals:

the device comprises a base block 1, a fixed seat 2, a sliding groove 2-1, a support frame 3, a slot 3-1, a pushing groove 3-2, a support seat 4, a height fine adjustment mechanism 5, a first motor 5-1, a two-way screw rod 5-2, a guide ring block 5-3, a first hinging seat 5-4, a second hinging seat 5-5, a support rod 5-6, a support block 5-7, a guide groove 5-7-1, a limiting groove 5-7-2, a sliding block 5-8, a sliding rail 5-9, a guide block 5-10, a limiting block 5-11, a sliding block 5-12, a movement adjustment mechanism 6, a second motor 6-1, a support sleeve 6-2, a pushing frame 6-3, an insertion groove 6-3-1, a guide groove 6-3-2, a pushing block 6-4, a connecting block 6-5, a, The device comprises guide shafts 6-6, push rods 6-7, a control panel 7, a limiting boss 8, a limiting stop 9, a supporting block 10, a third hinge seat 11, an electric push rod 12, a bump 13, a guide seat 14, a push groove 14-1, a sliding groove 14-2, a sliding rod 15 and a supporting pad 16.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 8, the technical solution adopted by the present embodiment is: the height fine adjustment mechanism comprises a base block 1, a fixed seat 2, a support frame 3, a support 4, a height fine adjustment mechanism 5 and a movement adjustment mechanism 6, wherein the fixed seat 2 is fixed at the bottom of the base block 1 by screws, the support frame 3 is arranged at the bottom of the fixed seat 2, the support frame 3 is arranged in an L-shaped structure, the height fine adjustment mechanism 5 is arranged between a vertical end in the support frame 3 and the fixed seat 2, the support 4 is arranged on the right side of a horizontal end in the support frame 3, limit stop blocks 9 are symmetrically welded and fixed in the front and back of the inside of the right side of the support 4, and the movement adjustment mechanism 6 is arranged in the;

a supporting block 10 is arranged in the support 4, a supporting pad 16 is fixedly adhered on the supporting block 10 by using an adhesive, a third hinged seat 11 and an electric push rod 12 with the type of PXTL are sequentially welded and fixed on the inner bottom surface of the support 4 from left to right, a bump 13 and a guide seat 14 are sequentially welded and fixed at the bottom of the supporting block 10 from left to right, the bump 13 is arranged in the third hinged seat 11 and is hinged through a hinged shaft, a push groove 14-1 is formed at the bottom of the guide seat 14, the push end at the upper end of the electric push rod 12 is inserted in the push groove 14-1, a slide groove 14-2 is formed in the guide seat 14 positioned at the front side and the rear side of the push groove 14-1 in a penetrating manner, slide rods 15 are symmetrically welded and fixedly arranged on the push end of the electric push rod 12 from front to back, and the slide rods 15 are arranged in the;

the height fine adjustment mechanism 5 comprises a first motor 5-1, a two-way screw rod 5-2, a guide ring block 5-3, a first hinge seat 5-4, a second hinge seat 5-5, a support rod 5-6 and a support block 5-7, the right side of the fixed seat 2 is fixed with the first motor 5-1 with the model number of 60KTYZ by screws, an output shaft of the first motor 5-1 penetrates through the right side wall of the fixed seat 2 and is fixedly welded with the two-way screw rod 5-2, the other end of the two-way screw rod 5-2 is screwed on the fixed seat 2 through a bearing, the bearing is embedded and fixedly welded on the left side inner wall of the fixed seat 2, the left end of the two-way screw rod 5-2 is inserted and fixedly welded in the bearing, a limit boss 8 is fixedly welded at the middle part of the two-way screw rod 5-2, and threads on the two-way screw rod 5-2 are oppositely arranged towards the left, the bidirectional screw rod 5-2 is rotatably sleeved with two guide ring blocks 5-3 through a left thread and a right thread which are oppositely arranged, the upper side of each guide ring block 5-3 is fixedly welded with a slide block 5-8, the inner top surface of the fixed seat 2 is fixedly welded with a slide rail 5-9, the slide block 5-8 is arranged on the slide rail 5-9 in a left-right sliding manner, the bottom of each guide ring block 5-3 is fixedly welded with a first hinge seat 5-4, the bottom of the first hinge seat 5-4 is provided with a support rod 5-6 in a hinge manner through a hinge shaft, the lower side of the bidirectional screw rod 5-2 is provided with a support block 5-7, the support block 5-7 is provided with a guide groove 5-7-1, the guide groove 5-7-1 is internally provided with two guide blocks 5-10 in a left-right sliding manner, and the, the support blocks 5-7 positioned at the front side and the rear side of the guide groove 5-7-1 are provided with limiting grooves 5-7-2 in a penetrating way, the front side and the rear side of the guide block 5-10 are respectively welded and fixed with limiting blocks 5-11, the limiting blocks 5-11 are arranged in the corresponding limiting grooves 5-7-2 in a sliding way, the guide block 5-10 is fixedly welded with a second hinging seat 5-5, the bottom ends of the support rods 5-6 are hinged in the second hinging seat 5-5 through hinging shafts, the left support rod 5-6 and the right support rod 5-6 are arranged in a front-back crossed way, the crossed parts are arranged in a rotating way through rotating shafts, the left side and the right side of the support block 5-7 are respectively welded and fixed with sliding blocks 5-12, the inner walls at the left side and the right side of the fixing seat 2 are respectively provided with sliding grooves 2, the vertical end in the supporting frame 3 is welded and fixed at the bottom of the supporting blocks 5-7;

the moving adjusting mechanism 6 comprises a second motor 6-1, a supporting sleeve 6-2, a pushing frame 6-3, a pushing block 6-4 and a connecting block 6-5, wherein a groove 3-1 is formed in the horizontal end of the supporting frame 3, the second motor 6-1 with the model number of 60KTYZ is fixed on the front side of the horizontal end of the supporting frame 3 by screws, the output shaft of the second motor 6-1 penetrates through the side wall of the groove 3-1 and is arranged in the groove 3-1, a rotating shaft is fixedly welded on the output shaft of the second motor 6-1, the supporting sleeve 6-2 is sleeved and fixedly welded on the rotating shaft, the pushing frame 6-3 is fixedly welded on the supporting sleeve 6-2, a slot 6-3-1 is formed in the pushing frame 6-3, and the pushing block 6-4 is inserted in the slot 6-3-1, the pushing frames 6-3 positioned at the front side and the rear side of the slot 6-3-1 are internally provided with guide grooves 6-3-2 in a penetrating way, the pushing block 6-4 is positioned at one end in the slot 6-3-1 and is inserted and welded with a guide shaft 6-6, the front end and the rear end of the guide shaft 6-6 are respectively arranged in the corresponding guide grooves 6-3-2 in a sliding way, the inner walls of the upper side and the lower side of the slot 3-1 are respectively provided with the pushing grooves 3-2, the upper side and the lower side of the pushing block 6-4 are respectively welded and fixed with a push rod 6-7, the push rods 6-7 are arranged in the corresponding pushing grooves 3-2 in a sliding way, the right side of the pushing block 6-4 is welded and fixed with a connecting block 6-5, and the right side of the connecting;

the fixed seat 2 is fixed with a control panel 7 by screws, the first motor 5-1, the second motor 6-1, the electric push rod 12 and the control panel 7 are all connected with an external power supply through power lines, wherein the first motor 5-1, the second motor 6-1 and the electric push rod 12 are also connected with the control panel 7 through lead wires respectively.

The working principle of the specific embodiment is as follows: the base block 1 is fixed on the bottom surface of a top plate in a room, the projection equipment is placed in the support 4 and is installed and fixed by screws; the height of the projection equipment is adjusted within a certain range by driving the support 4, and the projection equipment is driven to adjust the height of the projection equipment; the first motor 5-1 is started to drive the two-way screw rod 5-2 to rotate, the threads on the two-way screw rod 5-2 are arranged in a left-right opposite mode, therefore, when the two-way screw rod 5-2 rotates, the moving direction of the guide ring block 5-3 is operated in an opposite mode, the guide ring block 5-3 moves, the first hinge seat 5-4 moves, and the support rod 5-6 is driven to move, the left support rod 5-6 and the right support rod 5-6 are arranged in a cross screwing mode, when the support rod 5-6 on the upper side of the screwing point moves, the support rod 5-6 on the lower side of the screwing point rotates through the screwing point, so that the distance between the first hinge seat 5-4 and the second hinge seat 5-5 is changed, the height of the support block 5-7 is adjusted, and the support frame 3 is driven to move in height, the height of the projection equipment is adjusted, the projection height position of the projection equipment is changed, and when the bottom end of the support rod 5-6 rotates, the guide block 5-10 is driven to move in the guide groove 5-7-1, and the limit block 5-11 is driven to slide and guide in the limit groove 5-7-2; the second motor 6-1 is started to drive the support sleeve 6-2 to rotate, so that the pushing frame 6-3 rotates, the pushing frame 6-3 pushes the pushing block 6-4 through the sliding fit of the guide shaft 6-6 and the guide groove 6-3-2 in the rotating process, and the pushing block 6-4 guides through the sliding fit of the push rod 6-7 and the pushing groove 3-2 in the pushing process, so that the connecting block 6-5 is driven to push, the support 4 moves, and the position of the projection equipment is changed; at the supporting shoe 10 that support 4 set up, according to the actual show demand adjust within a certain angle range, projection equipment fixes on supporting shoe 10 to change projection equipment's show angle, because supporting shoe 10 is through the articulated setting between lug 13 and the articulated seat 11 No. three, promote through electric putter 12, drive slide bar 15 and slide in spout 14-2, make guide seat 14 rotate around the pin joint, make supporting shoe 10 rotate, make projection equipment's show angle adjust then.

After adopting above-mentioned structure, this embodiment beneficial effect does:

1. the support frame 3 is driven to adjust within a certain height range, so that the projection equipment is driven to extend and retract in height, and the projection height position of the projection equipment is changed;

2. the pushing block 6-4 is pushed to move in the left-right direction by the rotation of the pushing frame 6-3, so that the connecting block 6-5 and the support 4 are driven to move, the projection equipment stretches in the left-right direction, the projection position of the projection equipment is changed, and the projection image is changed;

3. the supporting block 10 is driven to rotate within a certain angle range, so that the projection angle of the projection equipment is changed, and the projection imaging is changed.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (5)

1. The utility model provides a show projection arrangement's telescopic machanism which characterized in that: the device comprises a base block (1), a fixed seat (2), a support frame (3), a support seat (4), a height fine adjustment mechanism (5) and a movement adjustment mechanism (6), wherein the fixed seat (2) is fixed at the bottom of the base block (1), the support frame (3) is arranged at the bottom of the fixed seat (2), the support frame (3) is arranged in an L-shaped structure, the height fine adjustment mechanism (5) is arranged between a vertical end in the support frame (3) and the fixed seat (2), the support seat (4) is arranged on the right side of a horizontal end in the support frame (3), and the movement adjustment mechanism (6) is arranged in the horizontal end in the support frame (3);

the height fine adjustment mechanism (5) comprises a first motor (5-1), a two-way screw rod (5-2), a guide ring block (5-3), a first hinging seat (5-4), a second hinging seat (5-5), a support rod (5-6) and a support block (5-7), wherein the first motor (5-1) is fixed on the right side of the fixing seat (2), the two-way screw rod (5-2) is fixed after an output shaft of the first motor (5-1) penetrates through the right side wall of the fixing seat (2), the other end of the two-way screw rod (5-2) is screwed on the fixing seat (2) through a bearing, threads on the two-way screw rod (5-2) are oppositely arranged towards the left end and the right end from the middle part respectively, the two guide ring blocks (5-3) are rotatably sleeved on the two-way screw rod (5-2) through the left and the right oppositely arranged threads, a sliding block (5-8) is fixed on the upper side of the guide ring block (5-3), a sliding rail (5-9) is fixed on the inner top surface of the fixed seat (2), the sliding block (5-8) is arranged on the sliding rail (5-9) in a left-right sliding manner, a first hinge seat (5-4) is fixed at the bottom of the guide ring block (5-3), a support rod (5-6) is hinged to the bottom of the first hinge seat (5-4) through a hinge shaft, a support block (5-7) is arranged on the lower side of the bidirectional screw rod (5-2), a guide groove (5-7-1) is formed in the support block (5-7), two guide blocks (5-10) are arranged in the guide groove (5-7-1) in a left-right sliding manner, the two guide blocks (5-10) are arranged in a left-right symmetrical manner, and a limiting groove (5-7) is formed in the support blocks (5-7) positioned 7-2), the front side and the rear side of each guide block (5-10) are respectively fixed with a limiting block (5-11), the limiting blocks (5-11) are arranged in corresponding limiting grooves (5-7-2) in a sliding manner, a second hinge seat (5-5) is fixed on each guide block (5-10), the bottom end of each support rod (5-6) is arranged in the second hinge seat (5-5) in a hinged manner through a hinge shaft, the left support rod and the right support rod (5-6) are arranged in a front-back crossed manner, the crossed part is arranged in a screwed manner through a rotating shaft, sliding blocks (5-12) are fixed on the left side and the right side of the support block (5-7), sliding grooves (2-1) are formed in the inner walls of the left side and the right side of the fixed seat (2), the sliding blocks (5-12) are arranged in the sliding grooves (2-1) in a vertical sliding manner, and the vertical end in the support frame (3) is fixed at the bottom of the support block (5-7);

the moving adjusting mechanism (6) comprises a second motor (6-1), a supporting sleeve (6-2), a pushing frame (6-3), a pushing block (6-4) and a connecting block (6-5), a groove (3-1) is formed in the horizontal end of the supporting frame (3), the second motor (6-1) is fixed on the front side of the horizontal end of the supporting frame (3), an output shaft of the second motor (6-1) penetrates through the side wall of the groove (3-1) and is arranged in the groove (3-1), a rotating shaft is fixed on the output shaft of the second motor (6-1), the supporting sleeve (6-2) is sleeved and fixed on the rotating shaft, the pushing frame (6-3) is fixed on the supporting sleeve (6-2), a slot (6-3-1) is formed in the pushing frame (6-3), a push block (6-4) is inserted in the slot (6-3-1), guide grooves (6-3-2) are formed in the push frames (6-3) positioned on the front side and the rear side of the slot (6-3-1) in a penetrating manner, a guide shaft (6-6) is inserted and fixed in one end of the push block (6-4) positioned in the slot (6-3-1), the front end and the rear end of the guide shaft (6-6) are respectively arranged in the corresponding guide grooves (6-3-2) in a sliding manner, the push grooves (3-2) are respectively formed in the inner walls of the upper side and the lower side of the slot (3-1), push rods (6-7) are respectively fixed on the upper side and the lower side of the push block (6-4), the push rods (6-7) are arranged in the corresponding push grooves (3-2) in a sliding manner, and a connecting block (6-5) is fixed on the right side of the push, the right side of the connecting block (6-5) is fixedly connected with the support (4);

the motor control device is characterized in that a control panel (7) is fixed on the fixed seat (2), the first motor (5-1), the second motor (6-1) and the control panel (7) are connected with an external power supply, and the first motor (5-1) and the second motor (6-1) are further connected with the control panel (7) respectively.

2. A telescopic mechanism of a projection device for exhibition as claimed in claim 1, wherein: a limiting boss (8) is fixed at the middle part of the bidirectional screw rod (5-2).

3. A telescopic mechanism of a projection device for exhibition as claimed in claim 1, wherein: and limit stoppers (9) are symmetrically fixed in the right inner part of the support (4) in front and back directions.

4. A telescopic mechanism of a projection device for exhibition as claimed in claim 1, wherein: a supporting block (10) is arranged in the supporting seat (4), a third hinging seat (11) and an electric push rod (12) are sequentially fixed on the inner bottom surface of the supporting seat (4) from left to right, a lug (13) and a guide seat (14) are sequentially fixed at the bottom of the supporting block (10) from left to right, the lug (13) is arranged in the third hinging seat (11), the electric push rod is hinged through a hinge shaft, a push groove (14-1) is formed in the bottom of the guide seat (14), the push end of the upper end of the electric push rod (12) is inserted into the push groove (14-1), sliding grooves (14-2) are formed in the guide seat (14) located on the front side and the rear side of the push groove (14-1) in a penetrating mode, sliding rods (15) are symmetrically fixed on the push end of the electric push rod (12) in the front and rear direction, the sliding rods (15) are arranged in the sliding grooves (14-2) in a left-right sliding mode, and the electric push rod (12) is connected with the control panel (7) and an external power supply.

5. The telescopic mechanism of a projection device for display as claimed in claim 4, wherein: and a supporting pad (16) is fixed on the supporting block (10).

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