CN203965788U - The projector that industrial and commercial administration teaching is used - Google Patents

Abstract

A projector used in business administration teaching. The utility model relates to a projector used in business management teaching. The adjustment fixture includes a bearing (2), the bearing is connected to the No. 1 fixed shaft (3), and the No. 1 fixed shaft is fixedly connected to the ball sleeve (4), and the ball sleeve is filled with a circle Ball (5), the top surface of the ball is connected to the No. 2 fixed shaft (6), and the No. 2 fixed shaft is connected to the fixed frame; there are eight slideways on the outside of the ball sleeve ( 7), the eight slides are opened in eight directions, the slides are equipped with a handle (8), the handle is connected to a question mark-shaped hook (9), and the question mark-shaped hook matches the The fixed shaft No. 2 is used, the handle is connected to one end of the spring coil (10), the other end of the spring coil is connected to the positioning nail (11), and the positioning nail is connected to the lower part of the ball sleeve . The utility model is used for a projector used in business management teaching.

Description

Projectors used in business administration teaching

technical field

The utility model relates to a projector used in business management teaching.

Background technique

Most of the projectors used in business administration teaching are hung on the ceiling and controlled by remote controllers. The installation lines are complicated, the debugging is laborious, and the replacement of the original is also laborious, and it is easy to be damaged by students.

Contents of the invention

The purpose of the utility model is to provide a projector for business administration teaching that can be used in time and will not be damaged by students even if it is retracted, and is easy to overhaul and easy to adjust the angle.

Above-mentioned purpose realizes by following technical scheme:

A projector used in business administration teaching, which consists of: a projector 1, a support frame, and a fixed frame. The projector is fixed on the fixed frame, and the fixed frame is connected to the The support frame; the adjustment fixture includes a bearing 2, the bearing 2 is connected to the fixed shaft No. 1 3, the fixed shaft No. 3 is fixedly connected to the ball sleeve 4, and the ball sleeve 4 is loaded into A ball 5, the top surface of the ball 5 is connected to the No. 2 fixed shaft 6, and the No. 2 fixed shaft 6 is connected to the fixed frame; there are eight slideways 7 on the outside of the ball sleeve, The eight slideways 7 are opened in eight directions, and the handle 8 is installed in the slideway 7, and the connecting piece 28 with a rotating shaft is connected to the connecting piece 28 of the handle 8. The connecting piece 28 with a rotating shaft is connected to a question mark Shaped hook 9, said question mark-shaped hook 9 is used in conjunction with said fixed shaft No. The other end of the spring ring 10 is connected to the positioning nail 11, and the positioning nail 11 is connected to the lower part of the ball sleeve 4; the ball sleeve 4 is a semicircular ball sleeve.

In the projector used in the teaching of business administration, the support frame includes a disc 12, the top surface of the disc 12 has a circular bearing groove 13, and the circular bearing groove is filled with the The bearing 2, the bottom surface of the disc 12 is provided with three circular holes 14 arranged in a triangular shape on the edge, the circular holes 14 are connected to the No. 1 rotating shaft 15, and the No. 1 rotating shaft 15 is connected to the support Leg 16, the top of the support leg 16 is connected to one end of the telescopic rod 19, the other end of the telescopic rod 19 is connected to the connecting plate 17, the bottom of the support leg 16 is connected to the anti-skid pad 18, the The length of support leg 16 is 40cm--70cm.

For the projector used in business administration teaching, the fixed frame includes a supporting plate 20, the left side of the supporting plate 20 is connected to the second shaft 21, and the right side of the supporting plate 20 is also connected to the Rotating shaft No. 3 22, described rotating shaft No. 2 21 is connected to one end of the left L-shaped fastening clip 23, and described rotating shaft No. 3 22 is connected to one end of the right L-shaped fastening clip 24; The other end of the fastening clip 23 is connected with the fixed shaft No. 3 25, and the other end of the right side L-shaped fastening clip 24 is connected with a hanger 26 with a hook, and the hanger 26 with a hook cooperates with the The fixed shaft No. 3 25 is used; the rear of the supporting plate 20 is fixedly connected to the rectangular frame 27.

Beneficial effect:

1. The ball of the utility model can adjust the direction, and the use of the ball sleeve with the question mark-shaped hook, the positioning nail and the spring ring can not only achieve a fixed effect, but also facilitate maintenance and replacement of the original.

2. The utility model has eight slideways, which are evenly distributed on the ball sleeve to meet the positioning requirements in all directions, and because of the uniform distribution, the weight of the components will not be concentrated on one side, increasing the service life of the original components .

3. The length of the supporting legs of the utility model is 40cm--70cm, not only will not block the students' sight, but also because of the shortness of the supporting rod, the telescopic rod and the connecting plate are close to the upper part, so that the adjustment of the supporting frame is reduced. At the same time, high stability can be guaranteed.

4. The fixing frame of the utility model can connect the projector more stably and firmly. The rectangular frame can not only intercept the projector whose elevation angle becomes large and easy to slip, but also will not affect the connection of the projector's wires and data cables.

Description of drawings:

Accompanying drawing 1 is the structural representation of the utility model.

Accompanying drawing 2 is the partially enlarged schematic view of the adjusting fixture of accompanying drawing 1.

Detailed ways:

Example 1

A projector used in business administration teaching, which consists of: a projector 1, a support frame, and a fixed frame. The projector is fixed on the fixed frame, and the fixed frame is connected to the The support frame; the adjustment fixture includes a bearing 2, the bearing 2 is connected to the fixed shaft No. 1 3, the fixed shaft No. 3 is fixedly connected to the ball sleeve 4, and the ball sleeve 4 is loaded into A ball 5, the top surface of the ball 5 is connected to the No. 2 fixed shaft 6, and the No. 2 fixed shaft 6 is connected to the fixed frame; there are eight slideways 7 on the outside of the ball sleeve, The eight slideways 7 are opened in eight directions, and the handle 8 is installed in the slideway 7, and the connecting piece 28 with a rotating shaft is connected to the connecting piece 28 of the handle 8. The connecting piece 28 with a rotating shaft is connected to a question mark shaped hook 9, the question mark shaped hook 9 is used in conjunction with the fixed shaft No. One end of the spring ring 10 is connected to the positioning nail 11 at the other end, and the positioning nail 11 is connected to the lower part of the ball sleeve 4; the ball sleeve 4 is a semicircular ball sleeve. Adjusting the fixing parts can help the projector adjust to a suitable angle to make the projection effect better; due to the short length of the supporting legs, the radiation angle of the projector is an elevation angle, and the ball can be adjusted according to the different classroom terrains in actual teaching position, and use the handle on the ball sleeve and the positioning nail to cooperate with the spring to fasten the positioning of the ball; the bearing can be rotated to adjust the left and right directions, and when the fixed shaft No. 1 rotates, it drives the inner ring of the bearing to rotate. The left and right rotation of the adjustment fixture can be controlled.

Example 2

In the projector used in business administration teaching described in Embodiment 1, the support frame includes a disc 12, and the top surface of the disc 12 is provided with a circular bearing groove 13, and the circular bearing groove is equipped with Into the bearing 2, the bottom surface of the disc 12 has three circular holes 14 arranged in a triangular shape on the edge, and the circular holes 14 are connected to the first rotating shaft 15, and the first rotating shaft 15 is connected to the support leg 16, the upper part of the support leg 16 is connected to one end of the telescopic rod 19, the other end of the telescopic rod 19 is connected to the connection plate 17, and the bottom of the support leg 16 is connected to the anti-skid pad 18, The length of the supporting legs 16 is 40cm--70cm. The short length of the supporting legs will not block the students' sight during class; the connection between the connection plate and the telescopic rod is located higher, which can ensure the stability of the triangular support while reducing the length of the telescopic rod.

Example 3

In the projector used for business administration teaching in Embodiment 1, the fixed frame includes a supporting plate 20, the left side of the supporting plate 20 is connected to the second rotating shaft 21, and the right side of the supporting plate 20 is also connected to The third number 22 of the rotating shaft, the second number 21 of the rotating shaft is connected to one end of the L-shaped fastening clip 23 on the left side, and the third No. 22 of the rotating shaft is connected to one end of the L-shaped fastening clip 24 on the right side; The other end of the side L-shaped fastening clip 23 is connected to the fixed shaft No. 3 25, and the other end of the right L-shaped fastening clip 24 is connected to the hanger 26 with a hook, and the hanger 26 with a hook Used in conjunction with the fixed shaft No. 3 25; the rear of the supporting plate 20 is fixedly connected to the rectangular frame 27. It can be installed and adjusted every time it is used. Even if the elevation angle of the fixing part needs to be adjusted too large, it will not fall or slip. It will affect the wiring of the projector.

Example 4

In the projector used in the teaching of business administration, the bearing, the No. 1 fixed shaft, the ball sleeve, the ball, and the No. 2 fixed shaft form the adjustment fixture; the supporting plate, the No. 2 rotating shaft, the left L-shaped fastening clip and The No. 3 rotating shaft, the L-shaped fastening clip on the right side, the hanger, and the No. 3 fixed shaft form the fixed frame structure; the disc, the No. 1 rotating shaft, supporting legs, telescopic rods, connection plates, and anti-skid pads form the supporting frame.

Example 5

The telescopic rod includes an outer rod, the outer rod is covered with a middle rod, the middle rod is covered with an inner rod, the inner rod is connected to the connecting plate 17, and the outer rod is connected to the The support leg 16.

Of course, the above description is not a limitation of the present utility model, and the present utility model is not limited to the above-mentioned examples, and changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the present utility model are also acceptable. Should belong to the protection scope of the present utility model.

Claims (3)

1. the projector that industrial and commercial administration teaching is used, its composition comprises: projector (1), bracing frame, fixed mount, is characterized in that: described projector is fixed on described fixed mount, described fixed mount connects described bracing frame by adjusting fixture, described adjustment fixture comprises bearing (2), described bearing (2) is connected and fixed No. one, axle (3), described stationary shaft No. (3) is fixedly connected with ball cover (4), in described ball cover (4), pack ball (5) into, the end face of described ball (5) is connected and fixed No. two, axle (6), and described stationary shaft No. two (6) connects described fixed mount, described ball cover outside has eight slideways (7), described eight slideways (7) are opened in eight directions, described slideway (7) is in-built enters handle (8), the described brace with rotating shaft (28) of brace (28) of the connecting band rotating shaft of described handle (8) connects question mark shaped hook (9), described question mark shaped hook (9) coordinates described stationary shaft No. two (6) to use, described question mark shaped hook (9) is connected to the outer wall of described ball cover (4), one end of described handle (8) linking springs circle (10), the other end of described turn (10) connects locating pin (11), described locating pin (11) is connected to the bottom of described ball cover (4), described ball cover (4) is semicircle ball cover.

2. the projector that industrial and commercial administration teaching according to claim 1 is used, it is characterized in that: described bracing frame comprises disk (12), the end face of described disk (12) has round bearing groove (13), in described round bearing groove, pack described bearing (2) into, the bottom surface of described disk (12) is that edge has three circular ports (14) that become triangular form to arrange, No. one, interior connection rotating shaft of described circular port (14) (15), described rotating shaft No. (15) connects supporting leg (16), one end of the top connection expansion link (19) of described supporting leg (16), the other end of described expansion link (19) is connected on terminal pad (17), the bottom of described supporting leg (16) connects slipmat (18), the length of described supporting leg (16) is 40cm--70cm.

3. the projector that industrial and commercial administration teaching according to claim 1 is used, it is characterized in that: described fixed mount comprises supporting plate (20), No. two, the left side connection rotating shaft (21) of described supporting plate (20), the right side of described supporting plate (20) also connects described No. three, rotating shaft (22), one end of L shaped anchorage clip (23) on the left of described rotating shaft No. two (21) connects, one end of described No. three (22) the connection L shaped anchorage clips in right side of rotating shaft (24); The other end of the L shaped anchorage clip in described left side (23) is connected and fixed No. three, axle (25), the other end of the L shaped anchorage clip in described right side (24) connects the lacing film (26) with hook, and the described lacing film (26) with hook coordinates described stationary shaft No. three (25) to use; After described supporting plate (20), be fixedly connected with rectangular frame (27).