CN205910486U - Projection arc curtain overspeed device tensioner - Google Patents
Projection arc curtain overspeed device tensioner Download PDFInfo
- Publication number
- CN205910486U CN205910486U CN201620688759.8U CN201620688759U CN205910486U CN 205910486 U CN205910486 U CN 205910486U CN 201620688759 U CN201620688759 U CN 201620688759U CN 205910486 U CN205910486 U CN 205910486U
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- CN
- China
- Prior art keywords
- adjustment seat
- take
- end set
- hole
- spacing
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- Expired - Fee Related
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Abstract
The utility model discloses a projection arc curtain overspeed device tensioner, including being located the projection curtain between act cloth scroll and the counter weight pull rod, the other cover of both sides tip of counter weight pull rod is equipped with a pot head, set up separately flutedly on the lateral wall of every pot head, the tank bottom center punishment of every recess is equipped with the through -hole, the top branch of every pot head hole that is equipped with and acts as go -between, inserted respectively in the recess of every pot head and received line regulation seat, every is received line and adjusts the seat and go up to divide to be equipped with and to insert the interior hank of corresponding pot head from the through -hole, every is received line regulation seat and passes through spacing fixed establishment and correspond the pot head mutually spacing fixedly, the both sides side of projection curtain is equipped with a plurality of pull rings, and projection curtain both sides branch is equipped with acts as go -between, every act as go -between that the upper end links to each other with curtain cloth scroll, the lower extreme passes behind the homonymy pull ring with to correspond the hank continuous, rotate simultaneously to tighten up when two hanks and correspond when acting as go -between, act as go -between for two and transversely to tighten the projection curtain and to even up drawing the projection curtain. The utility model has the advantages of it is high that projection curtain exhibit opens the roughness.
Description
Technical field
This utility model is related to curtain technical field and in particular to drawing for integrally tightening the projection arc curtain after launching
Flat projection arc curtain tensioner.
Background technology
The structure of the projection arc curtain being used at present is: includes projection screen receiver, in projection screen receiver
Expansion bearing has rotatable curtain spool, and the upper end of projection screen is connected with curtain spool, the lower end activity of projection screen
It is fixed with counterweight pull bar after stretching out projection screen receiver.When projection arc curtain launches to use, counterweight pull bar is under Gravitative Loads
Projection screen can be strained in vertical direction, but counterweight pull bar can only apply the pulling force of vertical direction to projection screen, and cannot
Projection screen is applied, laterally to the pull strength drawing, lead to the projection arc curtain being used at present to there is expansion poor flatness etc. and lack
Point.
Utility model content
The purpose of this utility model is to provide a kind of projection arc curtain tensioning dress that can improve projection screen expansion flatness
Put.
For achieving the above object, this utility model adopts the technical scheme that described projection arc curtain tensioner,
Including the projection screen between curtain spool and counterweight pull bar, it is arranged with an end respectively in the both side ends of counterweight pull bar
Set, is respectively provided with fluted on the lateral wall of each end set, is respectively arranged with connection in the bottom land center of each groove right
The through hole within set should be held, be respectively arranged with the bracing wire hole that be connected internal with corresponding end set at the top of each end set, every
It is inserted with take-up adjustment seat respectively, being respectively arranged with each take-up adjustment seat can be from corresponding through hole insertion in the groove of individual end set
Spool within corresponding end set, each take-up adjustment seat is passed through limiting fixing mechanism respectively and is covered mutually spacing fixation with corresponding end；
The both sides side of projection screen is from up to down arranged at intervals with some draw rings respectively, also sets respectively in the both sides of projection screen
It is equipped with bracing wire, the upper end of every bracing wire is connected with curtain spool, the lower end of every bracing wire sequentially passes through all draw rings of homonymy
Stretch into inside corresponding end set by the bracing wire hole that same side puts and be connected with the spool within corresponding end set；When two
Spool rotates when tightening up corresponding bracing wire under the drive of corresponding take-up adjustment seat simultaneously, and two bracing wires can be laterally to drawing projection screen
Cloth and projection screen is tightened and evens up.
Further, aforesaid projection arc curtain tensioner, wherein: the structure of described limiting fixing mechanism is:
It is provided with a circle ratchet slot on the inner peripheral wall of end set upper groove, take-up adjustment seat is provided with socket, activity in socket
It is inserted with spacing plug, spacing plug arranges limited location ratchet, between spacing plug and take-up adjustment seat, is provided with spring,
Spacing plug has all the time to move radially outward under the outside elastic force effect of spring and is inserted in ratchet slot to its spacing ratchet
Make the trend that take-up adjustment seat and end set are mutually fixed, and when pressing inward against spacing plug, make spacing plug overcome spring to
When displaced radially inward to the spacing ratchet of outer elastic force leaves ratchet slot, spacing plug will not interfere with take-up adjustment seat and rotates.
Further, aforesaid projection arc curtain tensioner, wherein: in take-up adjustment seat, be provided with radially-directed
Hole, is provided with the guide post that can insert radially-directed hole on spacing plug, and spacing plug is by being directed to bar activity insertion footpath
So that spacing plug can only be moved radially with respect to take-up adjustment seat and can not move axially in pilot hole, spring is set in spacing
On guide post between plug and take-up adjustment seat.
Further, aforesaid projection arc curtain tensioner, wherein: be provided with the spool within covering positioned at end
Bracing wire installing hole.
By the enforcement of technique scheme, the beneficial effects of the utility model are: structure is simple, convenient to install and maintain,
Projection screen can not only be applied with the pulling force of vertical direction, and projection screen can be applied laterally to the pull strength drawing, thus
So that the projection screen after expansion is evened up by overall tightening, substantially increase the expansion flatness of projection screen.
Brief description
Fig. 1 is the structural representation of projection arc curtain tensioner described in the utility model.
Fig. 2 is the structural representation in the left view direction of Fig. 1.
Fig. 3 is the structural representation of the b-b section shown in Fig. 2.
Fig. 4 is the structural representation of the a-a section shown in Fig. 1.
Fig. 5 is the enlarged diagram at the h position shown in Fig. 4.
Fig. 6 is the perspective view of the take-up adjustment seat shown in Fig. 1.
Fig. 7 is the perspective view of the spacing plug shown in Fig. 1.
Fig. 8 is the perspective view of the end set shown in Fig. 1.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, described projection arc curtain tensioner, including position
Projection screen 3 between curtain spool 1 and counterweight pull bar 2, is arranged with an end set respectively in the both side ends of counterweight pull bar 2
4, cover at each end and be respectively provided with fluted 5 on 4 lateral walls, be respectively arranged with connection in the bottom land center of each groove 5 right
The through hole 6 within set 4 should be held, be respectively arranged with and the bracing wire hole 7 being connected inside corresponding end set 4 at the top of each end set 4,
It is inserted with take-up adjustment seat 8 respectively in the groove 5 of each end set 4, being respectively arranged with each take-up adjustment seat 8 can be from correspondence
Through hole 6 inserts the spool 9 within corresponding end set 4, and each take-up adjustment seat 8 passes through limiting fixing mechanism and corresponding end set respectively
4 mutually spacing fixations；The both sides side of projection screen 3 is from up to down arranged at intervals with some draw rings 10 respectively, in projection screen
The both sides of cloth 3 are also respectively provided with bracing wire 11, and the upper end of every bracing wire 11 is connected with curtain spool 1, under every bracing wire 11
End sequentially pass through all draw rings 10 of homonymy after through stretch into inside corresponding end set 4 with the bracing wire hole 7 on side set 4 and with corresponding
Spool 9 within end set 4 is connected；When two spools 9 rotate under the drive of corresponding take-up adjustment seat 8 simultaneously tighten up right
When answering bracing wire 11, two bracing wires 11 can be laterally to drawing projection screen 3 to tighten projection screen 3 and even up；In the present embodiment, institute
The structure of the limiting fixing mechanism stated is: is provided with a circle ratchet slot 12 on the inner peripheral wall of end set 4 upper grooves 5, in take-up
Socket 13 is provided with adjustment seat 8, activity in socket 13 is inserted with spacing plug 14, limited location spine is arranged on spacing plug 14
Pawl 15, is provided with spring 16 between spacing plug 14 and take-up adjustment seat 8, and spacing plug 14 is made in the outside elastic force of spring 16
With under have all the time move radially outward to its spacing ratchet 15 be inserted in ratchet slot 12 make take-up adjustment seat 8 and end set 4 phases
Fixing trend, and when press inward against spacing plug 14, makes spacing plug 14 overcome the outside elastic force of spring 16 radially
When movement to spacing ratchet 15 leaves ratchet slot 13, spacing plug 14 will not interfere with take-up adjustment seat 8 and rotates, above-mentioned spacing solid
Determine mechanism structure simple, dismounting is easy to maintenance；In the present embodiment, radially-directed hole 17 is provided with take-up adjustment seat 8,
The guide post 18 that radially-directed hole 17 can be inserted is provided with spacing plug 14, spacing plug 14 is inserted by being directed to bar 18 activity
Enter and so that spacing plug 14 can only be moved radially with respect to take-up adjustment seat 8 and can not move axially, spring
16 are set in the stability that so can improve spacing plug 14 on the guide post between spacing plug 14 and take-up adjustment seat 8,
And then improve the operation stability of equipment；In the present embodiment, bracing wire peace is provided with the spool 9 covering within 4 positioned at end
Dress hole 19, so can preferably bracing wire be fastened on spool, install more convenient；
Operation principle of the present utility model is as follows:
After projection screen 3 launches, counterweight pull bar 2 can the projection screen of tractive flattening in vertical direction under Gravitative Loads
3, then rotate two take-up adjustment seats 8, so that the synchronous drive spool 9 of take-up adjustment seat 8 is rotated and tighten up corresponding bracing wire 11, this
When, two bracing wires 11 can be laterally to drawing projection screen 3, thus in laterally pulled flattening projection screen 3, thus by the throwing after launching
Shadow curtain is integrally tightened and is evened up, and substantially increases the expansion flatness of projection screen.The utility model has the advantages that: structure letter
Single, convenient to install and maintain, projection screen can not only be applied with the pulling force of vertical direction, and can be laterally right to projection screen applying
The pull strength drawing, so that the projection screen after launching can be evened up by overall tightening, the expansion substantially increasing projection screen is put down
Whole degree.
Claims (4)
1. project arc curtain tensioner, including the projection screen between curtain spool and counterweight pull bar it is characterised in that:
It is arranged with an end set respectively in the both side ends of counterweight pull bar, the lateral wall of each end set is respectively provided with fluted,
The bottom land center of each groove is respectively arranged with the through hole within connection corresponding end set, is respectively provided with the top of each end set
There is the bracing wire hole that be connected internal with corresponding end set, in the groove of each end set, be inserted with take-up adjustment seat respectively, in each receipts
Spool within covering from corresponding through hole insertion corresponding end is respectively arranged with line adjustment seat, each take-up adjustment seat is led to respectively
Cross limiting fixing mechanism and cover mutually spacing fixation with corresponding end；Difference from up to down interval setting on the both sides side of projection screen
There are some draw rings, be also respectively provided with bracing wire in the both sides of projection screen, the upper end of every bracing wire is connected with curtain spool, often
The lower end of root bracing wire sequentially pass through all draw rings of homonymy after through with the bracing wire hole that side puts stretch into corresponding end set internal and with
Spool within corresponding end set is connected；When two spools rotate under the drive of corresponding take-up adjustment seat simultaneously tighten up right
When answering bracing wire, two bracing wires can be laterally to drawing projection screen to tighten projection screen and even up.
2. according to claim 1 projection arc curtain tensioner it is characterised in that: the knot of described limiting fixing mechanism
Structure is: is provided with a circle ratchet slot on the inner peripheral wall of end set upper groove, is provided with socket, in socket in take-up adjustment seat
Middle activity is inserted with spacing plug, arranges limited location ratchet on spacing plug, arranges between spacing plug and take-up adjustment seat
There is spring, spacing plug has all the time to move radially outward under the outside elastic force effect of spring and is inserted in ratchet to its spacing ratchet
Make the trend that take-up adjustment seat is mutually fixed with end set in groove, and when pressing inward against spacing plug, make spacing plug overcome bullet
When displaced radially inward to the spacing ratchet of outside elastic force of spring leaves ratchet slot, spacing plug will not interfere with take-up adjustment seat and turns
Dynamic.
3. according to claim 2 projection arc curtain tensioner it is characterised in that: be provided with footpath in take-up adjustment seat
To pilot hole, the guide post that can insert radially-directed hole is provided with spacing plug, spacing plug is by being directed to bar activity
So that spacing plug can only be moved radially with respect to take-up adjustment seat and can not move axially in insertion radially-directed hole, spring is sheathed
On guide post between spacing plug and take-up adjustment seat.
4. according to claim 1 projection arc curtain tensioner it is characterised in that: positioned at end set within spool
On be provided with bracing wire installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620688759.8U CN205910486U (en) | 2016-07-04 | 2016-07-04 | Projection arc curtain overspeed device tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620688759.8U CN205910486U (en) | 2016-07-04 | 2016-07-04 | Projection arc curtain overspeed device tensioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205910486U true CN205910486U (en) | 2017-01-25 |
Family
ID=57813011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620688759.8U Expired - Fee Related CN205910486U (en) | 2016-07-04 | 2016-07-04 | Projection arc curtain overspeed device tensioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205910486U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974724A (en) * | 2016-07-04 | 2016-09-28 | 张家港宝视特影视器材有限公司 | Projection arc curtain tensioning device |
| CN107333193A (en) * | 2017-05-26 | 2017-11-07 | 安徽省庐江第四中学 | A kind of home theater equipment of convenient use |
-
2016
- 2016-07-04 CN CN201620688759.8U patent/CN205910486U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974724A (en) * | 2016-07-04 | 2016-09-28 | 张家港宝视特影视器材有限公司 | Projection arc curtain tensioning device |
| CN105974724B (en) * | 2016-07-04 | 2018-04-06 | 张家港宝视特影视器材有限公司 | Project arc curtain tensioning apparatus |
| CN107333193A (en) * | 2017-05-26 | 2017-11-07 | 安徽省庐江第四中学 | A kind of home theater equipment of convenient use |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20180704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |