CN208761762U - A kind of screen wrap-up - Google Patents
A kind of screen wrap-up Download PDFInfo
- Publication number
- CN208761762U CN208761762U CN201821618717.2U CN201821618717U CN208761762U CN 208761762 U CN208761762 U CN 208761762U CN 201821618717 U CN201821618717 U CN 201821618717U CN 208761762 U CN208761762 U CN 208761762U
- Authority
- CN
- China
- Prior art keywords
- screen
- sliding slot
- spool
- motor
- slide bar
- 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
Links
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- 238000009434 installation Methods 0.000 description 2
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
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- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
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- 239000000049 pigment Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model belongs to show presentation technical field, in particular a kind of screen wrap-up, including mounting box, the side of the mounting box is opening, motor is fixedly installed in the mounting box, shaft coupling is installed on the output shaft of the motor, the output shaft of the motor is connected with spool by the shaft coupling, the spool offers sliding slot far from one end of the motor, slide bar is slidably fitted in the sliding slot, the utility model, mounting box is fixed on the wall, when needing replacing screen, turn two second handles on two clamping rings, second handle drives screw rod rotation, screw rod is to be threadedly coupled with threaded hole, screw rod is moved to the direction close to second handle, clamping plate and screen are detached from, screen is detachable at this time, by being put into two mounting grooves on one side for new screen, reversely turn second handle, similarly clamping plate will Screen clamps, and realizes the replacement of screen.
Description
Technical field
The utility model belongs to show presentation technical field, and in particular to a kind of screen wrap-up.
Background technique
Screen refers to when showing a film with magic lantern, for the white screen of projection magnified image (picture), initially by calico
Be made, after mostly using diffusing reflection screen made of the cloth base or plastics for being coated with barium sulfate or metal powder.Also useful bead applies
Screen is reflected made of material, and screen is transmitted made of trnaslucent materials.Silent film period is coated with matte white on curtain
Pigment, curtain face is smooth, is fixed with permanent screen carrier, holds up on projection platform, after sound film is born, because of transaudient needs, adopts
It is formed with hole screen with rubber and plastic material, makes a sound the loudspeaker of device behind the scenes through screen.
Existing technology has the following problems:
1, screen needs to wind after showing that projection finishes, and preventing screen surface from falling ash influences project effect, according to putting
The place reflected is different, and the screen size dimension needed is different, and existing screen wrap-up is not easy to adapt to different sizes
Screen；
2, existing screen wrap-up, most of is that screen is pasted on spool, and screen needs to clean or replace
When, it is cumbersome.
Utility model content
To solve the problems mentioned above in the background art.The utility model provides a kind of screen wrap-up, tool
It is conveniently replaceable screen, adapts to the features such as various sizes of screen.
To achieve the above object, the utility model provides the following technical solutions: a kind of screen wrap-up, including installation
Box, the side of the mounting box are opening, are fixedly installed with motor in the mounting box, are equipped on the output shaft of the motor
The output shaft of shaft coupling, the motor is connected with spool by the shaft coupling, and the spool is opened far from one end of the motor
Equipped with sliding slot, slide bar is slidably fitted in the sliding slot, the slide bar extends to outside the sliding slot far from one end of the motor
And it is fixedly connected with connecting shaft, the top side of the slide bar offers multiple card slots, and the top side of the spool offers through-hole, described
Through-hole is connected with the sliding slot, and kelly is slidably fitted in the through-hole, and the bottom end of the kelly extends in the sliding slot
And be adapted with the card slot, the top of the kelly extends to outside the through-hole and is fixedly installed with the first in command.
Preferably, spring is arranged on the kelly, the spring is between the spool and the first in command, institute
The bottom end for stating spring is fixedly connected with the spool, and the top of the spring is fixedly connected with the first in command.
Preferably, limiting slot is offered on the bottom side inner wall of the sliding slot, strut, institute is fixedly installed in the limiting slot
It states and has been slidably socketed limited block on strut, the top side of the limited block, which extends in the sliding slot and fixes with the slide bar, to be connected
It connects.
Preferably, fixing sleeve is connected to clamping ring in the spool and the connecting shaft, and the top side of the clamping ring opens up
There is mounting groove, threaded hole is offered on the side inner wall of the mounting groove, the threaded hole internal screw thread is equipped with screw rod, the silk
Bar extends in the mounting groove close to one end of the mounting groove and is rotatably equipped with clamping plate, and the other end of the screw rod extends
Outside to the threaded hole and it is fixedly installed with second handle.
Preferably, the clamping plate offers rotation slot, fixed peace in the rotation slot close to the side of the second handle
Equipped with bearing, the inner ring of the bearing is fixedly attached with the screw rod.
Preferably, two mounting grooves on two clamping rings are in the same plane.
Preferably, the slide bar is fixedly installed with fixed block, the top side rolling of the fixed block close to one end of the motor
Dynamic to be equipped with ball, the ball is in contact with the top side inner wall of sliding slot.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model, mounting box is fixed on the wall, when needing replacing screen, turn two on two clamping rings
A second handle, second handle drive screw rod rotation, and screw rod and threaded hole are to be threadedly coupled, and screw rod is to the side of close second handle
To movement, clamping plate and screen are detached from, and screen is detachable at this time, reversed to twist by being put into two mounting grooves on one side for new screen
Dynamic second handle, similarly clamping plate clamps screen, realizes the replacement of screen；
2, the utility model pulls up the first in command when needing to adapt to various sizes of screen, and the first in command drives
Kelly is detached from card slot, and spring is stretched, slide bar is pulled outward, when slide bar extends suitable length, unclamps the first in command,
Kelly resets under the action of the spring, clamps with another card slot, and slide bar is stuck at this time, can not slide, then by the one of screen
Side is inserted into two mounting grooves, and second handle is turned, and clamping plate clamps screen, when needing to wind screen, starts motor, motor
Output shaft drive spool and connecting shaft to rotate by shaft coupling, screen winding is got up.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the clamping ring in the utility model；
Fig. 3 is the part A enlarged structure schematic diagram in the utility model；
Fig. 4 is the part B enlarged structure schematic diagram in the utility model；
In figure: 1, mounting box；2, motor；3, shaft coupling；4, spool；5, sliding slot；6, slide bar；7, connecting shaft；8, clamping ring；
9, second handle；10, through-hole；11, kelly；12, the first in command；13, card slot；14, spring；15, mounting groove；16, threaded hole；
17, screw rod；18, clamping plate.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
Fig. 1-4 is please referred to, the utility model is the following technical schemes are provided: a kind of screen wrap-up, including mounting box
1, the side of mounting box 1 is opening, is fixedly installed with motor 2 in mounting box 1, the model 60KTYZ of motor 2, motor 2 it is defeated
Shaft coupling 3 is installed, the output shaft of motor 2 is connected with spool 4, the one end of spool 4 far from motor 2 by shaft coupling 3 on shaft
Sliding slot 5 is offered, slide bar 6 is slidably fitted in sliding slot 5, slide bar 6 extends to outside sliding slot 5 far from one end of motor 2 and fixed company
It is connected to connecting shaft 7, the top side of slide bar 6 offers multiple card slots 13, and the top side of spool 4 offers through-hole 10, through-hole 10 and sliding slot 5
It is connected, kelly 11 is slidably fitted in through-hole 10, the bottom end of kelly 11 extends in sliding slot 5 and is adapted with card slot 13, blocks
The top of bar 11 extends to outside through-hole 10 and is fixedly installed with the first in command 12, and spool 4, slide bar 6, connecting shaft 7 and clamping ring 8 are equal
It is made of aluminum alloy materials, mounting box 1 is fixed on the wall, when needing replacing screen, turn two on two clamping rings 8
Second handle 9, second handle 9 drive screw rod 17 to rotate, and screw rod 17 is to be threadedly coupled with threaded hole 16, and screw rod 17 is to close to second
The direction of handle 9 moves, and clamping plate 18 and screen are detached from, and screen is detachable at this time, and new screen is put into two installations on one side
In slot 15, second handle 9 is reversely turned, similarly clamping plate 18 clamps screen, realizes the replacement of screen, different when needing to adapt to
When the screen of size, the first in command 12 is pulled up, the first in command 12 drives kelly 11 to be detached from card slot 13, and spring 14 is stretched,
Slide bar 6 is pulled outward, when slide bar 6 extends suitable length, unclamps the first in command 12, under action from the spring 14 kelly
11 reset, and clamp with another card slot 13, and slide bar 6 is stuck at this time, can not slide, then insertion on one side two of screen are installed
In slot 15, second handle 9 is turned, clamping plate 18 clamps screen, when needing to wind screen, starts motor 2, the output of motor 2
Axis drives spool 4 and connecting shaft 7 to rotate by shaft coupling 3, and screen winding is got up.
Specifically, be arranged with spring 14 on kelly 11, spring 14 between spool 4 and the first in command 12, spring 14
Bottom end is fixedly connected with spool 4, and the top of spring 14 is fixedly connected with the first in command 12, is resetted convenient for kelly 11 and is blocked with card slot 13
Dress guarantees that kelly 11 will not slide easily.
Specifically, offering limiting slot on the bottom side inner wall of sliding slot 5, it is fixedly installed with strut in limiting slot, is slided on strut
Dynamic to be socketed with limited block, the top side of limited block extends in sliding slot 5 and is fixedly connected with slide bar 6, limit to slide bar 6, protects
Card slide bar 6 can only slide in sliding slot 5, and ensure that slide bar 6 will not fully slide out outside sliding slot 5.
Specifically, equal fixing sleeve is connected to clamping ring 8 in spool 4 and connecting shaft 7, the top side of clamping ring 8 offers mounting groove
15, threaded hole 16 is offered on the side inner wall of mounting groove 15,16 internal screw thread of threaded hole is equipped with screw rod 17, and screw rod 17 is close to peace
One end of tankage 15 extends in mounting groove 15 and is rotatably equipped with clamping plate 18, and the other end of screw rod 17 extends to outside threaded hole 16
And it is fixedly installed with second handle 9, convenient for being clamped to screen, convenient for carrying out demolition and replacement to screen.
Specifically, clamping plate 18 offers rotation slot close to the side of second handle 9, it is fixedly installed with bearing in rotation slot,
The inner ring of bearing is fixedly attached with screw rod 17, is clamped in the case where not rotating to screen after so that clamping plate 18 is contacted screen,
Screen will not be damaged.
Specifically, two mounting grooves 15 on two clamping rings 8 are in the same plane, screen is made to be wound and be unfolded
When will not distort.
Specifically, slide bar 6 is fixedly installed with fixed block close to one end of motor 2, the top side of fixed block, which rolls, is equipped with rolling
Pearl, ball are in contact with the top side inner wall of sliding slot 5, when the length that slide bar 6 stretches out is longer, the top side inner wall of ball and sliding slot 5
Active force become larger, protect strut and limited block not damage.
The working principle and process for using of the utility model: the utility model, mounting box 1 is fixed on the wall, work as needs
When replacing screen, turn two second handles 9 on two clamping rings 8, second handle 9 drives screw rod 17 to rotate, screw rod 17 with
Threaded hole 16 is to be threadedly coupled, and screw rod 17 is moved to the direction close to second handle 9, and clamping plate 18 and screen are detached from, screen at this time
Detachably, be put into new screen in two mounting grooves 15 on one side, reversely turns second handle 9, and similarly clamping plate 18 is by screen
It clamps, realizes the replacement of screen, when needing to adapt to various sizes of screen, the first in command 12 is pulled up, the first in command
12 drive kelly 11 to be detached from card slot 13, and spring 14 is stretched, and slide bar 6 are pulled outward, when slide bar 6 extends suitable length
When, the first in command 12 is unclamped, kelly 11 resets under action from the spring 14, clamps with another card slot 13, slide bar 6 is by card at this time
Firmly, it can not slide, then by two mounting grooves 15 of insertion on one side of screen, turn second handle 9, clamping plate 18 clamps screen,
When needing to wind screen, start motor 2, the output shaft of motor 2 drives spool 4 and connecting shaft 7 to rotate by shaft coupling 3, will
Screen winding is got up.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of screen wrap-up, including mounting box (1), it is characterised in that: the side of the mounting box (1) is opening,
It is fixedly installed with motor (2) in the mounting box (1), shaft coupling (3), the electricity is installed on the output shaft of the motor (2)
The output shaft of machine (2) is connected with spool (4) by the shaft coupling (3), the one end of the spool (4) far from the motor (2)
It offers sliding slot (5), is slidably fitted with slide bar (6) in the sliding slot (5), the one end of the slide bar (6) far from the motor (2)
It extending to the sliding slot (5) outside and is fixedly connected with connecting shaft (7), the top side of the slide bar (6) offers multiple card slots (13),
The top side of the spool (4) offers through-hole (10), and the through-hole (10) is connected with the sliding slot (5), the through-hole (10)
Inside be slidably fitted with kelly (11), the bottom end of the kelly (11) extend in the sliding slot (5) and with the card slot (13) phase
Adaptation, the top of the kelly (11) extends to the through-hole (10) outside and is fixedly installed with the first in command (12).
2. a kind of screen wrap-up according to claim 1, it is characterised in that: be arranged with bullet on the kelly (11)
Spring (14), the spring (14) between the spool (4) and the first in command (12), the bottom end of the spring (14) with
The spool (4) is fixedly connected, and the top of the spring (14) is fixedly connected with the first in command (12).
3. a kind of screen wrap-up according to claim 1, it is characterised in that: the bottom side inner wall of the sliding slot (5)
On offer limiting slot, strut is fixedly installed in the limiting slot, limited block, the limit have been slidably socketed on the strut
The top side of block extends in the sliding slot (5) and is fixedly connected with the slide bar (6).
4. a kind of screen wrap-up according to claim 1, it is characterised in that: the spool (4) and the connection
Equal fixing sleeve is connected to clamping ring (8) on axis (7), and the top side of the clamping ring (8) offers mounting groove (15), the mounting groove
(15) it is offered on side inner wall threaded hole (16), threaded hole (16) internal screw thread is equipped with screw rod (17), the screw rod
(17) one end close to the mounting groove (15) extends in the mounting groove (15) and is rotatably equipped with clamping plate (18), the silk
The other end of bar (17) extends to the threaded hole (16) outside and is fixedly installed with second handle (9).
5. a kind of screen wrap-up according to claim 4, it is characterised in that: the clamping plate (18) is close to described the
The side of second chief (9) offers rotation slot, and bearing, the inner ring of the bearing and the silk are fixedly installed in the rotation slot
Bar (17) is fixedly attached.
6. a kind of screen wrap-up according to claim 4, it is characterised in that: on two clamping rings (8)
Two mounting grooves (15) are in the same plane.
7. a kind of screen wrap-up according to claim 1, it is characterised in that: the slide bar (6) is close to the electricity
One end of machine (2) is fixedly installed with fixed block, and the top side of the fixed block, which rolls, is equipped with ball, the ball and sliding slot (5)
Top side inner wall be in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821618717.2U CN208761762U (en) | 2018-10-05 | 2018-10-05 | A kind of screen wrap-up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821618717.2U CN208761762U (en) | 2018-10-05 | 2018-10-05 | A kind of screen wrap-up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208761762U true CN208761762U (en) | 2019-04-19 |
Family
ID=66137262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821618717.2U Expired - Fee Related CN208761762U (en) | 2018-10-05 | 2018-10-05 | A kind of screen wrap-up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208761762U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451356A (en) * | 2019-08-06 | 2019-11-15 | 镇江市高等专科学校 | A kind of computer teaching projection screen wrap-up |
| CN111071829A (en) * | 2019-12-16 | 2020-04-28 | 中山市冠一织带有限公司 | Automatic lap former of meshbelt |
-
2018
- 2018-10-05 CN CN201821618717.2U patent/CN208761762U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451356A (en) * | 2019-08-06 | 2019-11-15 | 镇江市高等专科学校 | A kind of computer teaching projection screen wrap-up |
| CN111071829A (en) * | 2019-12-16 | 2020-04-28 | 中山市冠一织带有限公司 | Automatic lap former of meshbelt |
| CN111071829B (en) * | 2019-12-16 | 2021-07-09 | 中山市冠一织带有限公司 | Automatic lap former of meshbelt |
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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: 20190419 |