CN213634886U - Display device that management teaching was used - Google Patents
Display device that management teaching was used Download PDFInfo
- Publication number
- CN213634886U CN213634886U CN202022830223.4U CN202022830223U CN213634886U CN 213634886 U CN213634886 U CN 213634886U CN 202022830223 U CN202022830223 U CN 202022830223U CN 213634886 U CN213634886 U CN 213634886U
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- CN
- China
- Prior art keywords
- support
- connecting rod
- display device
- curtain
- management teaching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a display device that management teaching was used, including support A, support B, curtain receiver one end is articulated with support A's upper portion, and the other end is equipped with the go-between, and the curtain receiver is articulated with the go-between, and go-between suit on support B upper portion and with support B sliding connection, be equipped with locking screw on the go-between, the go-between passes through locking screw and is connected with support B, support A and support B lower part all are equipped with the supporting foot rest. The utility model discloses a set up support A and support B in curtain receiver both sides, fix the curtain from both sides, improved the stability of curtain receiver, support A, support B, curtain receiver can be folding taking in simultaneously, are convenient for place and remove, improve the convenience.
Description
Technical Field
The utility model belongs to management teaching equipment field especially relates to a display device that management teaching was used.
Background
In the management teaching, use the projecting apparatus as the show instrument of teaching often, the light that the projecting apparatus sent shines behind the curtain, can present the picture on the computer, for example the electric control device of a removal portable projection curtain that chinese patent application No. 201320762060.8 discloses, including casing, collapsible support, pivot, control box, proximity switch, first driving motor, second driving motor, first gearbox and second gearbox, control box fixed mounting be in the outer one end of casing, first driving motor fixed mounting be in one end in the casing, second driving motor fixed mounting be in other end in the casing, first driving motor's torque output with the torque input of first gearbox is connected, the torque output of first gearbox with the one end of pivot is connected. The strong point of this kind of curtain is in the middle of the curtain, and poor stability receives wind to influence easily and leads to the curtain swing, consequently needs a display device that management teaching used, improves the stability of curtain, and easily accomodates.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a display device that management and teaching used can solve prior art awkward problem.
The utility model discloses a following technical scheme can realize.
The utility model provides a pair of display device that management teaching was used, including support A, support B, curtain receiver one end is articulated with support A's upper portion, and the other end is equipped with the go-between, and the curtain receiver is articulated with the go-between, and go-between suit on support B upper portion and with support B sliding connection, be equipped with locking screw on the go-between, the go-between passes through locking screw and is connected with support B, support A and support B lower part all are equipped with the supporting foot rest.
Support A upper portion is equipped with connecting rod A, and curtain receiver one end lower part is equipped with connecting rod B, and connecting rod A is articulated with connecting rod B.
The connecting rod A is provided with a sleeve, the sleeve is sleeved on the connecting rod A, the connecting rod B is provided with a magnetic block, and the sleeve is adsorbed on the lower portion of the magnetic block through magnetic force and wrapped at the hinged position of the connecting rod A and the connecting rod B.
The lower part of the supporting foot stand is provided with a plurality of supporting legs, the upper ends of the supporting legs are hinged with the supporting foot stand, and the upper end of the supporting foot stand is provided with a limiting block.
The lower part of the supporting foot stand is provided with 3 supporting legs which are arranged on the lower parts of the support A and the support B in an annular array.
And the upper part of the bracket B is provided with a limiting ring.
The beneficial effects of the utility model reside in that: through setting up support A and support B in curtain receiver both sides, fix the curtain from both sides, improved the stability of curtain receiver, support A, support B, curtain receiver can be folding taking in simultaneously, are convenient for place and remove, improve the convenience.
Drawings
Fig. 1 is a schematic structural view of the present invention in an expanded state;
fig. 2 is a schematic structural view of the storage state of the present invention;
FIG. 3 is a schematic structural view of a leg;
in the figure: 1-support a, 2-support B, 3-curtain storage box, 4-connecting ring, 5-locking screw, 6-supporting foot rest, 7-connecting rod a, 8-connecting rod B, 9-sleeve, 10-magnetic block, 11-supporting leg, 12-limiting block and 13-limiting ring.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, 2, 3, a display device that management teaching used, including support A1, support B2, curtain receiver 3, 3 one end of curtain receiver is articulated with support A1's upper portion, and the other end is equipped with go-between 4, and curtain receiver 3 is articulated with go-between 4, and go-between 4 suit on support B2 upper portion and with support B2 sliding connection, be equipped with locking screw 5 on the go-between 4, go-between 4 passes through locking screw 5 and is connected with support B2, support A1 and support B2 lower part all are equipped with supporting leg frame 6.
During the use, promote go-between 4 to support B2 upper portion, until curtain receiver 3 rotates to the horizontality after, screw up locking screw 5, then upwards promote sleeve pipe 9, make sleeve pipe 9 adsorb in magnetic block 10 lower part, sleeve pipe 9 wraps up in the articulated department of connecting rod A7 and connecting rod B8 just in time, can prevent that connecting rod A7 and connecting rod B8 from taking place relative rotation, improve device's stability, support A1, after support B2 has been installed, pull out curtain from curtain receiver 3, alright in order to accomplish installation work, when needs are accomodate, withdraw the curtain to curtain receiver 3 in, then go down sleeve pipe 9, make it separate with magnetic block 10, then loosen locking screw 5 and make curtain receiver 3 hang down, and rotate landing leg 11, accomplish and accomodate the operation.
Support A1 upper portion is equipped with connecting rod A7, and curtain receiver 3 one end lower part is equipped with connecting rod B8, and connecting rod A7 is articulated with connecting rod B8.
Be equipped with sleeve pipe 9 on the connecting rod A7, sleeve pipe 9 suit is equipped with magnetic block 10 on connecting rod A7 on connecting rod B8, and sleeve pipe 9 passes through magnetic force and adsorbs in magnetic block 10 lower part to the parcel is in the articulated department of connecting rod A7 and connecting rod B8, through sleeve pipe 9 restriction connecting rod A7 and connecting rod B8's rotation, improves stability.
The lower part of the supporting foot frame 6 is provided with a plurality of supporting legs 11, the upper ends of the supporting legs 11 are hinged with the supporting foot frame 6, the upper ends of the supporting foot frame 6 are provided with limit blocks 12, and after the supporting legs 11 are unfolded, the limit blocks 12 are propped against the lower parts of the support A1 and the support B2, so that the supporting legs 11 are prevented from further rotating, and the supporting legs 11 are kept stable.
The lower part of the supporting foot stand 6 is provided with 3 supporting legs 11, the supporting legs 11 are arranged at the lower parts of a support A1 and a support B2 in an annular array, and the support A1 and the support B2 are supported by the plurality of supporting legs 11 to keep a stable state.
The upper part of the bracket B2 is provided with a limit ring 13 to prevent the connecting ring 4 from sliding out of the bracket B2.
Claims (6)
1. The utility model provides a display device that management teaching was used which characterized in that: the curtain storage box comprises a support A (1), a support B (2) and a curtain storage box (3), wherein one end of the curtain storage box (3) is hinged to the upper portion of the support A (1), a connecting ring (4) is arranged at the other end of the curtain storage box, the curtain storage box (3) is hinged to the connecting ring (4), and the connecting ring (4) is sleeved on the upper portion of the support B (2) and is in sliding connection with the support B (2); the connecting ring (4) is provided with a locking screw (5), and the connecting ring (4) is connected with the bracket B (2) through the locking screw (5); and supporting foot rests (6) are arranged at the lower parts of the support A (1) and the support B (2).
2. A display device for management teaching as claimed in claim 1 wherein: support A (1) upper portion is equipped with connecting rod A (7), and curtain receiver (3) one end lower part is equipped with connecting rod B (8), and connecting rod A (7) are articulated with connecting rod B (8).
3. A management teaching display device as claimed in claim 2, wherein: be equipped with sleeve pipe (9) on connecting rod A (7), sleeve pipe (9) suit is equipped with magnetic block (10) on connecting rod B (8) on connecting rod A (7), and sleeve pipe (9) pass through magnetic force and adsorb in magnetic block (10) lower part to the parcel is in the articulated department of connecting rod A (7) and connecting rod B (8).
4. A display device for management teaching as claimed in claim 1 wherein: the lower part of the supporting foot rest (6) is provided with a plurality of supporting legs (11), the upper ends of the supporting legs (11) are hinged with the supporting foot rest (6), and the upper end of the supporting foot rest (6) is provided with a limiting block (12).
5. A management teaching display device as claimed in claim 4 wherein: the lower part of the supporting foot stand (6) is provided with 3 supporting legs (11), and the supporting legs (11) are arranged on the lower parts of the support A (1) and the support B (2) in an annular array.
6. A display device for management teaching as claimed in claim 1 wherein: and the upper part of the bracket B (2) is provided with a limiting ring (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022830223.4U CN213634886U (en) | 2020-11-30 | 2020-11-30 | Display device that management teaching was used |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022830223.4U CN213634886U (en) | 2020-11-30 | 2020-11-30 | Display device that management teaching was used |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213634886U true CN213634886U (en) | 2021-07-06 |
Family
ID=76639448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022830223.4U Expired - Fee Related CN213634886U (en) | 2020-11-30 | 2020-11-30 | Display device that management teaching was used |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213634886U (en) |
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2020
- 2020-11-30 CN CN202022830223.4U patent/CN213634886U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210706 Termination date: 20211130 |