CN214368950U

CN214368950U - Height and angle adjustable projector

Info

Publication number: CN214368950U
Application number: CN202022290657.XU
Authority: CN
Inventors: 马春兰
Original assignee: Hua Xiangyao Jiangsu Electronic Technology Co ltd
Current assignee: Hua Xiangyao Jiangsu Electronic Technology Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-10-08
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a height and angularly adjustable projecting apparatus, its technical scheme is: the adjustable base comprises a base, wherein an upright post is fixedly connected to the top of the base, a sleeve is sleeved on the outer side of the upright post, an adjusting mechanism is arranged at the top of the sleeve, a fixing mechanism is arranged inside the sleeve, and the bottom end of the fixing mechanism extends to the bottom of the base; adjustment mechanism includes the supporting seat, supporting seat fixed connection is at the sleeve pipe top, logical groove has been seted up to the supporting seat bottom, and a height and angularly adjustable projecting apparatus beneficial effect are: through setting up adjustment mechanism, accessible external equipment control PLC able to programme, and then control biax motor and first motor work, can make the projecting apparatus main part carry out arbitrary projection angle's regulation, the control range is wider, and the projection height is adjusted in the work of accessible control electric putter simultaneously, and the control range is wider, and regulating speed is very fast, and it is very convenient to use, and the practicality is stronger.

Description

Height and angle adjustable projector

Technical Field

The utility model relates to a projecting apparatus technical field, concretely relates to height and angularly adjustable projecting apparatus.

Background

The projector, also known as a projector, is a device capable of projecting images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, and the like through different interfaces to play corresponding video signals.

In the daily use of projecting apparatus, often need adjust the projection angle, make its projection picture throw on the curtain, but the angle control range of traditional projecting apparatus is less, and it is comparatively loaded down with trivial details to adjust the operation, and it is comparatively inconvenient to use.

Therefore, it is necessary to invent a projector with adjustable height and angle.

Disclosure of Invention

Therefore, the utility model provides a height and angularly adjustable projecting apparatus, through setting up adjustment mechanism, accessible external equipment control PLC able to programme, and then control double-shaft motor and first motor work can make the projecting apparatus main part carry out arbitrary projection angle's regulation, and the control range is wider, and accessible control electric putter work adjusts the projection height simultaneously to it is less to solve accommodation among the prior art, adjusts the comparatively loaded down with trivial details problem of operation.

In order to achieve the above object, the present invention provides the following technical solutions: a projector with adjustable height and angle comprises a base, wherein an upright post is fixedly connected to the top of the base, a sleeve is sleeved on the outer side of the upright post, an adjusting mechanism is arranged at the top of the sleeve, a fixing mechanism is arranged inside the sleeve, and the bottom end of the fixing mechanism extends to the bottom of the base;

the adjusting mechanism comprises a supporting seat, the supporting seat is fixedly connected to the top of the sleeve, a through groove is formed in the bottom of the supporting seat, a first motor is fixedly embedded in the through groove, a base is arranged on the top of the supporting seat, an output shaft of the first motor extends to the top of the supporting seat and is fixedly connected with the bottom of the base, a projector main body is embedded in the base, first cavities are formed in two sides of the base, second cavities are formed in the bottom of the base, first rotating shafts are fixedly connected to two sides of the projector main body, the outer ends of the two first rotating shafts respectively extend to two sides of the base, first bevel gears are fixedly connected to the outer sides of the two first rotating shafts, the two first bevel gears are located in the first cavities, second bevel gears are arranged at the bottoms of the two first bevel gears and are in meshed connection with the first bevel gears, the utility model discloses a double-shaft motor, including first bevel gear, second bevel gear, fourth bevel gear, stand, electric putter, second pivot bottom fixedly connected with second pivot, second pivot bottom fixedly connected with third bevel gear, third bevel gear bottom is equipped with fourth bevel gear, fourth bevel gear is connected with third bevel gear meshing, the inside fixed biax motor that is equipped with of second cavity, biax motor output shaft extends to second cavity both sides respectively, two fourth bevel gear is fixed cup joints respectively on two output shafts of biax motor, the inside fixed electric putter that is equipped with of stand, electric putter piston rod and sleeve pipe top inner wall fixed connection.

Preferably, the fixing mechanism comprises an air pump, a through groove is formed in the stand column, the air pump is fixedly embedded and installed in the through groove, a branch pipe is fixedly connected to the air suction end of the air pump, a sucker is fixedly connected to the bottom of the base, and the bottom end of the branch pipe is communicated with the sucker.

Preferably, the top of the through groove is fixedly embedded with a programmable PLC, the bottom of the base is fixedly embedded with an inclination angle sensor, the input end of the programmable PLC is electrically connected with the inclination angle sensor, and the double-shaft motor, the first motor and the air pump are electrically connected with the output end of the programmable PLC.

Preferably, the bottom of the base is fixedly connected with a support ring, and the support ring is sleeved on the outer side of the support seat.

Preferably, the first rotating shaft, the second rotating shaft, the first motor output shaft and the joint of the double-shaft motor output shaft and the base are movably connected through rolling bearings.

Preferably, both sides are all fixed around the groove of running through and are inlayed and be equipped with the protection network, both sides are all fixed around the supporting seat and are inlayed and be equipped with the guard plate, a plurality of louvres have been seted up on the guard plate surface, two the guard plate is located double-shaft motor front and back both sides respectively.

Preferably, sucking disc quantity sets up to two, two the sucking disc is symmetry form evenly distributed in the base bottom, four lower margins of base bottom fixedly connected with, four the lower margin is evenly distributed in base four corners department.

Preferably, the number of the suckers is four, and the suckers are uniformly distributed at four corners of the bottom of the base in a circumferential manner.

The utility model has the advantages that:

1. the utility model discloses a set up adjustment mechanism, in the in-service use, PLC able to programme can be controlled to accessible external equipment, and then control biax motor and first motor work, biax motor work can make two first pivots rotate simultaneously, thereby drive the projecting apparatus main part and rotate in vertical direction, adjust fore-and-aft projection angle, first motor work can drive the whole rotation of base simultaneously, and then make the projecting apparatus main part rotate, thereby under first motor and biax motor cooperation work, can make the projecting apparatus main part carry out the regulation of arbitrary projection angle, simultaneously the projection height can be adjusted through controlling electric putter work, the control range is wider, the governing speed is faster, it is very convenient and fast to use;

2. the utility model discloses a set up fixed establishment, in the in-service use, through the cooperation of air pump and sucking disc, when the careless collision, cause base and stand to incline a bit when, inclination sensor detects the inclination and changes, with information transfer to PLC able to programme, can the automatic start air pump, pump suction disc inside, thereby reduce sucking disc internal pressure in the twinkling of an eye, further increase the compactness between its and the ground, guarantee the stability of placing, very big degree reduces careless collision and leads to the device to turn on one's side the damage, the protective capacities to the projecting apparatus main part has been promoted.

Drawings

Fig. 1 is a schematic view of the overall structure provided by the present invention;

fig. 2 is a front view cross-sectional view provided by the present invention;

FIG. 3 is an enlarged view of the part A of FIG. 2 according to the present invention;

fig. 4 is a perspective view of a protection plate provided by the present invention;

fig. 5 is a schematic structural diagram of a control system provided by the present invention;

fig. 6 is a schematic view of the overall structure of embodiment 2 provided by the present invention.

In the figure: the device comprises a base 1, a column 2, a sleeve 3, a support seat 4, a first motor 5, a base 6, a projector main body 7, a first rotating shaft 8, a first bevel gear 9, a second bevel gear 10, a second rotating shaft 11, a third bevel gear 12, a fourth bevel gear 13, a double-shaft motor 14, an electric push rod 15, an air pump 16, a branch pipe 17, a suction cup 18, a programmable PLC19, an inclination angle sensor 20, a support ring 21, a protective net 22, a protective plate 23 and a ground foot 24.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1:

referring to the attached drawings 1-5, the projector with adjustable height and angle provided by the utility model comprises a base 1, wherein a vertical column 2 is fixedly connected to the top of the base 1, a sleeve 3 is sleeved outside the vertical column 2, an adjusting mechanism is arranged at the top of the sleeve 3, a fixing mechanism is arranged inside the sleeve 3, and the bottom end of the fixing mechanism extends to the bottom of the base 1;

the adjusting mechanism comprises a supporting seat 4, the supporting seat 4 is fixedly connected to the top of the sleeve 3, a through groove is formed in the bottom of the supporting seat 4, a first motor 5 is fixedly embedded in the through groove, a base 6 is arranged on the top of the supporting seat 4, an output shaft of the first motor 5 extends to the top of the supporting seat 4 and is fixedly connected with the bottom of the base 6, a projector main body 7 is embedded in the base 6, first cavities are formed in two sides of the base 6, a second cavity is formed in the bottom of the base 6, first rotating shafts 8 are fixedly connected to two sides of the projector main body 7, the outer ends of the two first rotating shafts 8 respectively extend to two sides of the base 6, first bevel gears 9 are fixedly connected to the outer sides of the two first rotating shafts 8, the two first bevel gears 9 are located in the first cavities, and second bevel gears 10 are arranged at the bottoms of the two first bevel gears 9, the second bevel gear 10 is meshed with the first bevel gear 9, the bottom end of the second bevel gear 10 is fixedly connected with a second rotating shaft 11, the bottom end of the second rotating shaft 11 extends into the second cavity, the bottom end of the second rotating shaft 11 is fixedly connected with a third bevel gear 12, the bottom of the third bevel gear 12 is provided with a fourth bevel gear 13, the fourth bevel gear 13 is meshed with the third bevel gear 12, a double-shaft motor 14 is fixedly embedded in the second cavity, output shafts of the double-shaft motor 14 respectively extend to two sides of the second cavity, two fourth bevel gears 13 are respectively fixedly sleeved on two output shafts of the double-shaft motor 14, an electric push rod 15 is fixedly embedded in the upright post 2, and a piston rod of the electric push rod 15 is fixedly connected with the inner wall of the top of the sleeve 3;

further, the fixing mechanism comprises an air pump 16, a through groove is formed in the stand column 2, the air pump 16 is fixedly embedded in the through groove, a branch pipe 17 is fixedly connected to an air suction end of the air pump 16, a sucker 18 is fixedly connected to the bottom of the base 1, the bottom end of the branch pipe 17 is communicated with the sucker 18, the air pump 16 works, air suction is performed through the branch pipe 17 and the sucker 18, the internal pressure of the sucker 18 is reduced, the base 1 is tightly attached to the mounting surface, and the stability of the utility model during placement is ensured;

furthermore, a programmable PLC19 is fixedly embedded at the top of the through groove, the programmable PLC19 is mainly used for replacing a relay to realize logic control, an inclination angle sensor 20 is fixedly embedded at the bottom of the base 1, the inclination angle sensor 20 integrates an MCU, an MEMS accelerometer, an analog-to-digital conversion circuit and a communication unit on a very small circuit board, and can directly output inclination data such as angles and the like, so that people can use the inclination angle sensor more conveniently, the model of the inclination angle sensor 20 is PM-TS I/II-DL, the input end of the programmable PLC19 is electrically connected with the inclination angle sensor 20, and the double-shaft motor 14, the first motor 5 and the air pump 16 are electrically connected with the output end of the programmable PLC 19;

furthermore, the bottom of the base 6 is fixedly connected with a support ring 21, and the support ring 21 is sleeved outside the support seat 4, so that the base 6 is more stable when rotating on the support seat 4;

furthermore, the joints of the first rotating shaft 8, the second rotating shaft 11, the output shaft of the first motor 5 and the output shaft of the double-shaft motor 14 and the base 6 are movably connected through rolling bearings;

furthermore, protective nets 22 are fixedly embedded in the front side and the rear side of the through groove, protective plates 23 are fixedly embedded in the front side and the rear side of the supporting seat 4, a plurality of heat dissipation holes are formed in the surfaces of the protective plates 23, the two protective plates 23 are respectively located in the front side and the rear side of the double-shaft motor 14, the protective nets 22 are beneficial to protecting the air pump 16, stable heat dissipation of the air pump 16 in use is guaranteed, the protective plates 23 are also beneficial to protecting the double-shaft motor 14, and normal heat dissipation of the double-shaft motor 14 in use is guaranteed;

further, sucking disc 18 quantity sets up to two, two sucking disc 18 is symmetry form evenly distributed in base 1 bottom, four lower margin 24 of base 1 bottom fixedly connected with, four lower margin 24 is evenly distributed in base 1 four corners department.

The utility model discloses a use as follows: when the utility model is used, the programmable PLC19 can be controlled by the external control device, when the angle of the projector main body 7 needs to be adjusted, the programmable PLC19 can be commanded to control the operation of the double-shaft motor 14 to drive the rotation of the two fourth bevel gears 13, so as to rotate the third bevel gears 12, then the two second rotating shafts 11 are driven to rotate, further the two second bevel gears 10 are driven to rotate, further the two first bevel gears 9 are driven to rotate, finally the two first rotating shafts 8 are driven to rotate, so as to rotate the projector main body 7, thereby the projection angle in the vertical direction can be adjusted, meanwhile, the first motor 5 can be controlled to rotate, further the base 6 is driven to rotate at the top of the supporting seat 4, further the projector main body 7 can be horizontally rotated, and the double-shaft motor 14 and the first motor 5 work together, can realize the quick adjustment of arbitrary projection angle, it is big to adjust the position, and the governing speed is fast, but 15 work of steerable electric putter, make its piston rod rise, jack-up sleeve, and then adjust 6 heights of base, thereby adjust the projection height, in use simultaneously, can with the utility model discloses place on the floor at home, and use sucking disc 18 to firmly fix base 1 on the floor, hit carelessly the utility model discloses cause base 1 and 2 angle changes the back, inclination sensor 20 can give PLC19 able to programme with inclination information transfer, and then PLC19 able to programme controls 16 start-up work of air pump, strengthen extracting inside sucking disc 18, thereby further reduce 18 inside pressures of sucking disc, make base 1 fix on the floor more stably, avoid careless collision to lead to the utility model discloses tumble and damage.

Example 2:

referring to fig. 1-6, the utility model provides a pair of height and angularly adjustable projecting apparatus, different from embodiment 1, sucking disc 18 quantity sets up to four, four sucking disc 18 is circumference form evenly distributed in base 1 bottom four corners department.

The utility model discloses a use as follows: in use, the utility model can be placed on the floor at home, and the base 1 is firmly fixed on the floor by the sucking disc 18, when the utility model is accidentally collided, the inclination angle sensor 20 can transmit the inclination angle information to the programmable PLC19, and then the programmable PLC19 controls the air pump 16 to start, so as to increase the internal air suction of the sucking disc 18, further reduce the internal pressure of the sucking disc 18, and the base 1 is more stably fixed on the floor, and because the four sucking discs 18 are arranged at the bottom of the base 1 in the embodiment and are respectively and evenly distributed at the four corners at the bottom, the four feet 24 in the embodiment 1 are replaced, not only the whole device is simultaneously supported, the weight of the whole device is borne, the sucking disc 18 always receives the weight of the whole device in the actual use, the adsorption bottom plate effect is better, and the stability is greatly improved, four sucking discs 18 also can effectively deal with the collision thrust of a plurality of directions simultaneously, avoid careless collision to lead to the utility model discloses the damage of tumbling further promotes the protective capacities to projecting apparatus main part 7.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a height and angularly adjustable projecting apparatus, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with an upright post (2), a sleeve (3) is sleeved on the outer side of the upright post (2), an adjusting mechanism is arranged at the top of the sleeve (3), a fixing mechanism is arranged inside the sleeve (3), and the bottom end of the fixing mechanism extends to the bottom of the base (1);

the adjusting mechanism comprises a supporting seat (4), the supporting seat (4) is fixedly connected to the top of the sleeve (3), a through groove is formed in the bottom of the supporting seat (4), a first motor (5) is fixedly embedded in the through groove, a base (6) is arranged at the top of the supporting seat (4), an output shaft of the first motor (5) extends to the top of the supporting seat (4) and is fixedly connected with the bottom of the base (6), a projector main body (7) is embedded in the base (6), first cavities are formed in two sides of the base (6), a second cavity is formed in the bottom of the base (6), first rotating shafts (8) are fixedly connected to two sides of the projector main body (7), the outer ends of the two first rotating shafts (8) extend to two sides of the base (6) respectively, and first bevel gears (9) are fixedly connected to the outer sides of the two first rotating shafts (8), the two first bevel gears (9) are located inside the first cavity, the bottoms of the two first bevel gears (9) are respectively provided with a second bevel gear (10), the second bevel gears (10) are meshed with the first bevel gears (9), the bottom ends of the second bevel gears (10) are fixedly connected with a second rotating shaft (11), the bottom ends of the second rotating shafts (11) extend into the second cavity, the bottom ends of the second rotating shafts (11) are fixedly connected with a third bevel gear (12), the bottom of the third bevel gear (12) is provided with a fourth bevel gear (13), the fourth bevel gear (13) is meshed with the third bevel gear (12), a double-shaft motor (14) is fixedly embedded inside the second cavity, output shafts of the double-shaft motor (14) respectively extend to two sides of the second cavity, and the two fourth bevel gears (13) are fixedly sleeved on two output shafts of the double-shaft motor (14) respectively, the stand column (2) is internally and fixedly embedded with an electric push rod (15), and a piston rod of the electric push rod (15) is fixedly connected with the inner wall of the top of the sleeve (3).

2. A height and angle adjustable projector as claimed in claim 1, wherein: the fixing mechanism comprises an air pump (16), a through groove is formed in the upright column (2), the air pump (16) is fixedly embedded and installed in the through groove, a branch pipe (17) is fixedly connected to the air suction end of the air pump (16), a sucker (18) is fixedly connected to the bottom of the base (1), and the bottom end of the branch pipe (17) is communicated with the sucker (18).

3. A height and angle adjustable projector according to claim 2, wherein: the run-through groove top is fixedly embedded with a programmable PLC (19), the bottom of the base (1) is fixedly embedded with an inclination sensor (20), the input end of the programmable PLC (19) is electrically connected with the inclination sensor (20), and the double-shaft motor (14), the first motor (5) and the air pump (16) are electrically connected with the output end of the programmable PLC (19).

4. A height and angle adjustable projector as claimed in claim 1, wherein: the base (6) bottom fixedly connected with support ring (21), support ring (21) cover is established in the supporting seat (4) outside.

5. A height and angle adjustable projector as claimed in claim 1, wherein: the first rotating shaft (8), the second rotating shaft (11), the output shaft of the first motor (5) and the joint of the output shaft of the double-shaft motor (14) and the base (6) are movably connected through rolling bearings.

6. A height and angle adjustable projector according to claim 2, wherein: pass through all fixed the inlaying in both sides around the groove and be equipped with protection network (22), both sides are all fixed the inlaying around supporting seat (4) and are equipped with guard plate (23), a plurality of louvres have been seted up on guard plate (23) surface, two guard plate (23) are located double-shaft motor (14) front and back both sides respectively.

7. A height and angle adjustable projector according to claim 2, wherein: sucking disc (18) quantity sets up to two, two sucking disc (18) are symmetry form evenly distributed in base (1) bottom, four lower margin (24), four of base (1) bottom fixedly connected with lower margin (24) are evenly distributed in base (1) four corners department.

8. A height and angle adjustable projector according to claim 2, wherein: the number of the suckers (18) is four, and the suckers (18) are uniformly distributed at four corners of the bottom of the base (1) in a circumferential manner.