CN209070298U - A kind of Portable projection screen cloth holder - Google Patents
A kind of Portable projection screen cloth holder Download PDFInfo
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- CN209070298U CN209070298U CN201822215245.2U CN201822215245U CN209070298U CN 209070298 U CN209070298 U CN 209070298U CN 201822215245 U CN201822215245 U CN 201822215245U CN 209070298 U CN209070298 U CN 209070298U
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- traveller
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Abstract
The utility model relates to projection device technical fields, it in particular is a kind of Portable projection screen cloth holder, including static housing, go up and down loading plate, curtain rolling frame and the fixed device of curtain, before the present apparatus, it is first that universal wheel is self-locking, rotate fixing bolt, fixing bolt is allowed to be detached from fixed case, upper cover is opened, rotate clockwise lead screw, the lead screw rotated clockwise drives loading plate to move up, when loading plate and fixed block contact, stop operating lead screw, pull back positioning cylinder, pull up elevation cylinder, according to the height of projector, positioning cylinder is allowed to be inserted in corresponding positioning hole, the curtain for being wrapped in winding bucket is taken out, pull back traveller, traveller drives clamping plate to move backward, one end of curtain is put between link block and clamping plate, unclamp traveller, utilize the elastic potential energy of spring, the rear end of spring It is limited by slide plate, at this moment spring will be moved forward to this clamping plate of sinciput, so that curtain is fixed between link block and clamping plate.
Description
Technical field
The utility model relates to projection device technical fields, are in particular a kind of Portable projection screen cloth holders.
Background technique
There are a kind of Portable projection screen cloth holder of a Patent No. CN201721117424.1, including cabinet, case now
The inside of body is equipped with inner cavity, and bottom of chamber one end of inner cavity is rotatably connected to support rod, the top socket of support rod by the first hinge
There is the first loop bar, the first loop bar top is socketed with the second loop bar, support frame is rotatably connected at the top of the second loop bar, support frame
Both ends are respectively equipped with the first fixture block and the second fixture block, and the first fixture block is rotatably connected on one end of support frame by the second hinge, the
Two fixture blocks are fixedly connected on the other end of support frame, are equipped with and hang positioned at the side of support frame between the first fixture block and the second fixture block
Bar, one end of hanging rod are fixedly connected with the second fixture block, and the other end and the first fixture block activity are clamped, and the bottom of chamber of cabinets cavity is far from branch
One end of strut is rotatably connected to mandril, and mandril is flexibly connected with support frame.But the utility model is inconvenient to move, and cannot
The upper and lower ends of curtain are fixed, curtain is also easy to produce shaking, influences viewing effect.
Summary of the invention
The utility model relates to projection device technical fields, are in particular a kind of Portable projection screen cloth holders, including
Static housing, lifting loading plate, curtain rolling frame and the fixed device of curtain, the present apparatus can be adjusted according to the height of projector
The height of curtain simultaneously fixes the upper and lower ends of curtain, mobile more convenient using universal wheel.
The static housing includes fixed case, hinge, upper cover, fixing bolt, universal wheel and limit slideway I, fixed case
Upper to be hingedly connected with upper cover by hinge, fixing bolt is slidably connected with upper cover, and fixing bolt passes through upper cover and passes through with fixed case
It is threadedly coupled, is fixedly connected to universal wheel on four angles of fixed case lower surface, is provided on rear side of fixed case interior forward end
Limit slideway I；
The lifting loading plate includes loading plate, spacing block set I, fixed block, bearing and lead screw, and the front end of loading plate is solid
Surely it is connected with spacing block set I, spacing block set I is slidably connected in limit slideway I, after fixed block is fixedly connected on fixed case inside
The front side at end, fixed block are fixedly connected with the outer ring of bearing, and lead screw is fixedly connected with the inner ring of bearing, and lead screw passes through with loading plate
Screw-driven connection；
The curtain rolling frame includes bearing block, rotation axis and winding bucket, is fixedly connected with that there are two bearings on loading plate
, winding bucket is fixedly connected in rotation axis, the both ends of rotation axis are rotatablely connected with two bearing blocks respectively；
The fixed device of the curtain include spacing sliding chamber, keyway, elevation cylinder, key, jack, location hole, positioning cylinder,
Link block, connecting plate, limit slideway II, clamping plate, spacing block set II, slide plate, traveller and spring, spacing sliding chamber are fixedly connected on
It is symmetrical arranged on loading plate, in spacing sliding chamber there are two keyway, is symmetrically fixedly connected with that there are two key, elevation cylinders in elevation cylinder
It is slidably connected in spacing sliding chamber and two keyways respectively with two keys, the upper end of spacing sliding chamber is provided with jack, elevation cylinder
On be provided with multiple location holes, positioning cylinder is slidably connected in jack, positioning cylinder pass through jack be slidably connected at it is multiple fixed
In one of them, link block is fixedly connected on the upper end of elevation cylinder, and connecting plate, connecting plate are fixedly connected on link block in position hole
Upper setting is fixedly connected with that there are two spacing block set II, two spacing block set II to slide respectively on clamping plate there are two slideway II is limited
Dynamic to be connected in two limit slideway II, the rear end of connecting plate is fixedly connected with slide plate, and slide plate is slidably connected with traveller, traveller and
Clamping plate is fixedly connected, and spring is cased on traveller, spring is between clamping plate and slide plate.
As advanced optimizing for the technical program, fixed case described in a kind of Portable projection screen cloth holder of the utility model
Body further includes handle, and handle is fixedly connected on the upper end of upper cover；
As advanced optimizing for the technical program, lifting described in a kind of Portable projection screen cloth holder of the utility model is held
Support plate further includes handle, and handle is fixedly connected on the upper end of lead screw.
As advanced optimizing for the technical program, winding bucket described in a kind of Portable projection screen cloth holder of the utility model
On be wound with projection screen.
As advanced optimizing for the technical program, curtain described in a kind of Portable projection screen cloth holder of the utility model is solid
Determining device further includes limit annulus and knob, and limit annulus is fixedly connected on the rear end of positioning cylinder, and knob is fixedly connected on cunning
The rear end of column.
As advanced optimizing for the technical program, universal wheel described in a kind of Portable projection screen cloth holder of the utility model
Included self-locking function.
A kind of Portable projection screen cloth holder of the utility model has the beneficial effect that
It is first that universal wheel is self-locking before the present apparatus, fixing bolt is rotated, allows fixing bolt to be detached from fixed case, upper
Lid is opened, and lead screw is rotated clockwise, and the lead screw rotated clockwise drives loading plate to move up, when loading plate is contacted with fixed block
When, stop operating lead screw, pulls back positioning cylinder, pulls up elevation cylinder, according to the height of projector, allows positioning cylinder
It is inserted in corresponding positioning hole, the curtain for being wrapped in winding bucket is taken out, pulls back traveller, traveller drives clamping plate to move back
It is dynamic, one end of curtain is put between link block and clamping plate, traveller is unclamped, utilizes the elastic potential energy of spring, the rear end of spring
It is limited by slide plate, at this moment spring will be moved forward to this clamping plate of sinciput, so that curtain is fixed on link block and clamping plate
Between, after being finished the present apparatus, the self-locking releasing of universal wheel, the contact using universal wheel with ground can be pushed away the present apparatus
It walks, a hand handle present apparatus can also be pulled with hand and picked up, pass through the mobile present apparatus of two methods.
Detailed description of the invention
The utility model is described in more detail with specific implementation method with reference to the accompanying drawing.
Fig. 1 is a kind of structural schematic diagram of Portable projection screen cloth holder of the utility model；
Fig. 2 is a kind of Portable projection screen cloth holder partial structure diagram；
Fig. 3 is static housing structural schematic diagram；
Fig. 4 is static housing partial structure diagram；
Fig. 5 is lifting carrying plate structure schematic diagram；
Fig. 6 is curtain rolling frame structural schematic diagram；
Fig. 7 is curtain fixture structure schematic diagram；
Fig. 8 is the fixed device partial structure diagram one of curtain；
Fig. 9 is the fixed device partial structure diagram two of curtain；
Figure 10 is the fixed device partial structure diagram three of curtain.
In figure: static housing 1；Fixed case 1-1；Hinge 1-2；Upper cover 1-3；Fixing bolt 1-4；Universal wheel 1-5；Limit is slided
Road I1-6；Handle 1-7；Go up and down loading plate 2；Loading plate 2-1；Spacing block set I2-2；Fixed block 2-3；Bearing 2-4；Lead screw 2-5；
Handle 2-6；Curtain rolling frame 3；Bearing block 3-1；Rotation axis 3-2；Wind bucket 3-3；Curtain fixes device 4；Spacing sliding chamber 4-1；
Keyway 4-2；Elevation cylinder 4-3；Key 4-4；Jack 4-5；Location hole 4-6；Positioning cylinder 4-7；Link block 4-8；Connecting plate 4-9；
Limit slideway II4-10；Clamping plate 4-11；Spacing block set II4-12；Slide plate 4-13；Traveller 4-14；Spring 4-15；Limit annulus
4-16；Shake hands 4-17.
Specific embodiment
Specific embodiment 1:
Illustrate present embodiment below with reference to Fig. 1-10, the utility model relates to projection device technical fields, more specifically
Say it is a kind of Portable projection screen cloth holder, including static housing 1, lifting loading plate 2, curtain rolling frame 3 and the fixed device of curtain
4, it is first that universal wheel 1-5 is self-locking before the present apparatus, fixing bolt 1-4 is rotated, fixing bolt 1-4 is allowed to be detached from fixed case 1-
1, upper cover 1-3 is opened, lead screw 2-5 is rotated clockwise, the lead screw 2-5 rotated clockwise drives loading plate 2-1 to move up, when
When loading plate 2-1 and fixed block 2-3 are contacted, stop operating lead screw 2-5, pulls back positioning cylinder 4-7, pulls up lifting circle
Column 4-3 allows positioning cylinder 4-7 to be inserted in corresponding location hole 4-6 according to the height of projector, winds bucket 3-3's being wrapped in
Curtain takes out, and pulls back traveller 4-14, and traveller 4-14 drives clamping plate 4-11 to move backward, one end of curtain is put into connection
Between block 4-8 and clamping plate 4-11, traveller 4-14 is unclamped, using the elastic potential energy of spring 4-15, the rear end of spring 4-15 is by sliding
Plate 4-13 limit, at this moment spring 4-15 will be moved forward to sinciput this clamping plate 4-11, so that curtain is fixed on link block
Between 4-8 and clamping plate 4-11, after being finished the present apparatus, the self-locking releasing of universal wheel, connecing for universal wheel 1-5 and ground is utilized
Touching can push the present apparatus, can also pull with hand handle 1-7 and the present apparatus is picked up, and pass through the mobile present apparatus of two methods；
The static housing 1 include fixed case 1-1, hinge 1-2, upper cover 1-3, fixing bolt 1-4, universal wheel 1-5 and
Limit slideway I1-6, fixed case 1-1 plays the fixed effect of carrying, is hingedly connected with upper cover by hinge 1-2 on fixed case 1-1
1-3, can be hinged fixed case 1-1 and upper cover 1-3 by hinge 1-2, and upper cover 1-3 can be sealed to fixed case 1-1,
Fixing bolt 1-4 is slidably connected with upper cover 1-3, and fixing bolt 1-4 passes through upper cover 1-3 and fixed case 1-1 and is connected through a screw thread, Gu
Fixed case 1-1 and upper cover 1-3 can be fixed together by determining bolt 1-4, solid on four angles of the lower surface fixed case 1-1
Surely it is connected with universal wheel 1-5, universal wheel 1-5 can be rotated on the ground, generate the frictional force of very little, and facilitate the present apparatus mobile, Gu
Determine to be provided with limit slideway I1-6 on rear side of case 1-1 interior forward end, limit slideway I1-6 can provide one to spacing block set I2-2
The space of a sliding；
The lifting loading plate 2 includes loading plate 2-1, spacing block set I2-2, fixed block 2-3, bearing 2-4 and lead screw 2-
5, loading plate 2-1 plays the role of bearer connection, and curtain rolling frame 3 and the fixed device 4 of curtain can be driven to move up and down, carried
The front end of plate 2-1 is fixedly connected with spacing block set I2-2, and spacing block set I2-2 is slidably connected in limit slideway I1-6, works as limit
When convex block I2-2 is slidably connected in limit slideway I1-6, can be limited to loading plate 2-1, loading plate 2-1 at this moment can only on
Lower movement, fixed block 2-3 are fixedly connected on the front side of fixed case 1-1 Internal back end, and fixed block 2-3 can be provided to bearing 2-4
One fixed space, fixed block 2-3 are fixedly connected with the outer ring of bearing 2-4, and bearing 2-4 can be limited to lead screw 2-5, allow silk
Thick stick 2-5 can only be rotated around the axis of itself, and lead screw 2-5 is fixedly connected with the inner ring of bearing 2-4, and the lead screw 2-5 of rotation can band
Dynamic loading plate 2-1 is moved up and down, and lead screw 2-5 is connect with loading plate 2-1 by screw-driven；
The curtain rolling frame 3 includes fixed on bearing block 3-1, rotation axis 3-2 and winding bucket 3-3, loading plate 2-1 connects
It connects there are two bearing block 3-1, two bearing block 3-1 can be limited to rotation axis 3-2, allow rotation axis 3-2 can only be around itself axis
Line rotation, be fixedly connected on rotation axis 3-2 winding bucket 3-3, rotation axis 3-2 can be provided to winding bucket 3-3 one it is fixed
Space, winding can wind curtain on bucket 3-3, the both ends of rotation axis 3-2 are rotatablely connected with two bearing block 3-1 respectively；
The fixed device 4 of the curtain include spacing sliding chamber 4-1, keyway 4-2, elevation cylinder 4-3, key 4-4, jack 4-5,
Location hole 4-6, positioning cylinder 4-7, link block 4-8, connecting plate 4-9, limit slideway II4-10, clamping plate 4-11, spacing block set
II4-12, slide plate 4-13, traveller 4-14 and spring 4-15, spacing sliding chamber 4-1 are fixedly connected on loading plate 2-1, spacing sliding chamber
4-1 can give elevation cylinder 4-3 offer one space slided, and arranged symmetrically in spacing sliding chamber 4-1 there are two keyway 4-2, keys
Slot 4-2 can provide the space of a sliding to key 4-4, be symmetrically fixedly connected on elevation cylinder 4-3 there are two key 4-4, gone up and down
Cylinder 4-3 and two key 4-4 are slidably connected at respectively in spacing sliding chamber 4-1 and two keyway 4-2, when two key 4-4 are slided respectively
Dynamic when being connected in two keyway 4-2, elevation cylinder 4-3 is limited, and elevation cylinder 4-3 at this moment can only be slided up and down, limit
The upper end of sliding chamber 4-1 is provided with jack 4-5, and jack 4-5 can provide a slotting space, elevation cylinder to positioning cylinder 4-7
Multiple location hole 4-6 are provided on 4-3, when positioning cylinder 4-7 is slidably connected in different location hole 4-6, the height of curtain
Degree is also different, determines which location hole 4-6 positioning cylinder 4-7 is slidably connected according to the height of projector, positioning cylinder
4-7 is slidably connected in jack 4-5, positioning cylinder 4-7 pass through jack 4-5 be slidably connected at multiple location hole 4-6 one of them
Interior, positioning cylinder 4-7 plays fixed high effect, and link block 4-8 is fixedly connected on the upper end of elevation cylinder 4-3, link block 4-8
Play the role of being fixedly connected, connecting plate 4-9 is fixedly connected on link block 4-8, there are two limits to slide for setting on connecting plate 4-9
Road II4-10, limit slideway II4-10 can give spacing block set II4-12 offer one space slided, solid on clamping plate 4-11
There are two spacing block set II4-12 for fixed connection, can fix to the upper end of curtain, two spacing block set II4-12 company of sliding respectively
It connects in two limit slideway II4-10, when two spacing block set II4-12 are slidably connected at two limit slideway II4-10 respectively
When interior, clamping plate 4-11 is limited, and clamping plate 4-11 at this moment can only slide back and forth, and the rear end of connecting plate 4-9 is fixedly connected with
Slide plate 4-13, slide plate 4-13 can provide the space of a sliding to traveller 4-14, and slide plate 4-13 is slidably connected with traveller 4-14,
Traveller 4-14 can drive clamping plate 4-11 mobile, and traveller 4-14 is fixedly connected with clamping plate 4-11, be cased with bullet on traveller 4-14
Spring 4-15, spring 4-15 are between clamping plate 4-11 and slide plate 4-13, using the elastic potential energy of spring 4-15, spring 4-15's
Rear end is limited by slide plate 4-13, and at this moment spring 4-15 will be moved forward to sinciput this clamping plate 4-11, so that curtain is fixed
Between link block 4-8 and clamping plate 4-11.
Specific embodiment 2:
Illustrate present embodiment below with reference to Fig. 1-10, present embodiment is described further embodiment one described
Static housing 1 further includes handle 1-7, and handle 1-7 is fixedly connected on the upper end of upper cover 1-3, and pull handle 1-7 can be the present apparatus
It lifts, realizes movement；
Specific embodiment 3:
Illustrate present embodiment below with reference to Fig. 1-10, present embodiment is described further embodiment one described
Going up and down loading plate 2 further includes handle 2-6, and handle 2-6 is fixedly connected on the upper end of lead screw 2-5, and rotational handle 2-6 can be easy to
Drive lead screw 2-5 rotation.
Specific embodiment 4:
Illustrate present embodiment below with reference to Fig. 1-10, present embodiment is described further embodiment one described
Projection screen is wound on winding bucket 3-3.
Specific embodiment 5:
Illustrate present embodiment below with reference to Fig. 1-10, present embodiment is described further embodiment one described
The fixed device 4 of curtain further includes limit annulus 4-16 and knob 4-17, and limit annulus 4-16 is fixedly connected on positioning cylinder 4-7's
Rear end, limit annulus 4-16 can limit the position of positioning cylinder 4-7, pull limit annulus 4-16 that can easily drive fixed
Circle of position column 4-7 is mobile, and knob 4-17 is fixedly connected on the rear end of traveller 4-14, pulls knob 4-17 that can easily drive cunning
Column 4-14 sliding.
Specific embodiment 6:
Illustrate present embodiment below with reference to Fig. 1-10, present embodiment is described further embodiment one described
Universal wheel 1-5 carries self-locking function, and when using the present apparatus, the present apparatus needs to fix, thus universal wheel 1-5 must have it is self-locking
Function goes to select existing universal wheel 1-5 in the market according to demand.
A kind of working principle of Portable projection screen cloth holder of the utility model:
First that universal wheel 1-5 is self-locking before the present apparatus, it is logical that fixing bolt 1-4 passes through upper cover 1-3 and fixed case 1-1
Threaded connection is crossed, fixing bolt 1-4 is rotated, fixing bolt 1-4 is allowed to be detached from fixed case 1-1, upper cover 1-3 is beaten by hinge 1-2
It opens, rotates clockwise handle 2-6, handle 2-6 is fixedly connected on the upper end of lead screw 2-5, and handle 2-6 drives lead screw 2-5 clockwise
Rotation, lead screw 2-5 are connect with loading plate 2-1 by screw-driven, and the lead screw 2-5 rotated clockwise drives loading plate 2-1 upward
Mobile, when loading plate 2-1 and fixed block 2-3 is contacted, stop operating lead screw 2-5, pulls back limit annulus 4-16, limit circle
Ring 4-16 drives positioning cylinder 4-7, pulls up elevation cylinder 4-3, according to the height of projector, positioning cylinder 4-7 is allowed to be inserted in
In corresponding location hole 4-6, the curtain for being wrapped in winding bucket 3-3 is taken out, pulls back knob 4-17, knob 4-17 is fixed to be connected
It connects and drives traveller 4-14 to move backward in the rear end of traveller 4-14, traveller 4-14 is fixedly connected with clamping plate 4-11, traveller 4-14
It drives clamping plate 4-11 to move backward, one end of curtain is put between link block 4-8 and clamping plate 4-11, unclamp knob 4-
Spring 4-15 is cased on 17, traveller 4-14, spring 4-15 utilizes spring 4-15's between clamping plate 4-11 and slide plate 4-13
The rear end of elastic potential energy, spring 4-15 is limited by slide plate 4-13, and at this moment spring 4-15 will be to this clamping plate of sinciput 4-11 forward
It is mobile, so that curtain is fixed between link block 4-8 and clamping plate 4-11, after being finished the present apparatus, knob 4-17 is pulled, this
When curtain can fall, curtain is wrapped on winding bucket 3-3, then elevation cylinder 4-3 fallen on minimum point, in rotational lead screw 2-
5 loading plate 2-1 are moved to minimum point, recycle fixing bolt 1-4, upper cover 1-3 and fixed case 1-1 are fixed together,
The self-locking releasing of universal wheel, universal wheel 1-5 can be rotated on the ground, generate the frictional force of very little, facilitate the present apparatus mobile, can also
It is picked up with pulling with hand handle 1-7 the present apparatus, passes through the mobile present apparatus of two methods.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to
In the protection scope of the utility model.
Claims (6)
1. a kind of Portable projection screen cloth holder, including static housing (1), lifting loading plate (2), curtain rolling frame (3) and curtain
Fixed device (4), it is characterised in that: the static housing (1) include fixed case (1-1), hinge (1-2), upper cover (1-3),
Fixing bolt (1-4), universal wheel (1-5) and limit slideway I (1-6), are articulated and connected on fixed case (1-1) by hinge (1-2)
Have upper cover (1-3), fixing bolt (1-4) is slidably connected with upper cover (1-3), and fixing bolt (1-4) passes through upper cover (1-3) and fixed
Case (1-1) is connected through a screw thread, and is fixedly connected to universal wheel (1-5), fixed case on four angles of the lower surface fixed case (1-1)
Limit slideway I (1-6) is provided on rear side of (1-1) interior forward end；
The lifting loading plate (2) include loading plate (2-1), spacing block set I (2-2), fixed block (2-3), bearing (2-4) and
Lead screw (2-5), the front end of loading plate (2-1) are fixedly connected with spacing block set I (2-2), and spacing block set I (2-2) is slidably connected at
Limit in slideway I (1-6), fixed block (2-3) is fixedly connected on the front side of fixed case (1-1) Internal back end, fixed block (2-3) with
The outer ring of bearing (2-4) is fixedly connected, and lead screw (2-5) is fixedly connected with the inner ring of bearing (2-4), lead screw (2-5) and loading plate
(2-1) is connected by screw-driven；
The curtain rolling frame (3) includes bearing block (3-1), rotation axis (3-2) and winds bucket (3-3), on loading plate (2-1)
There are two being fixedly connected bearing block (3-1), it is fixedly connected in rotation axis (3-2) and winds bucket (3-3), the two of rotation axis (3-2)
End is rotatablely connected with two bearing blocks (3-1) respectively；
The curtain fixed device (4) includes spacing sliding chamber (4-1), keyway (4-2), elevation cylinder (4-3), key (4-4), inserts
Hole (4-5), location hole (4-6), positioning cylinder (4-7), link block (4-8), connecting plate (4-9), limit slideway II (4-10), folder
Tight plate (4-11), spacing block set II (4-12), slide plate (4-13), traveller (4-14) and spring (4-15), spacing sliding chamber (4-1) are solid
Surely it is connected on loading plate (2-1), is symmetrical arranged in spacing sliding chamber (4-1) there are two keyway (4-2), in elevation cylinder (4-3)
There are two being symmetrically fixedly connected key (4-4), elevation cylinder (4-3) and two keys (4-4) are slidably connected at spacing sliding chamber (4- respectively
1) and in two keyways (4-2), the upper end of spacing sliding chamber (4-1) is provided with jack (4-5), is provided in elevation cylinder (4-3)
Multiple location holes (4-6), positioning cylinder (4-7) are slidably connected in jack (4-5), and positioning cylinder (4-7) passes through jack (4-5)
Multiple location holes (4-6) are slidably connected in one of them, link block (4-8) is fixedly connected on the upper end of elevation cylinder (4-3),
It is fixedly connected on link block (4-8) connecting plate (4-9), setting is pressed from both sides there are two slideway II (4-10) is limited on connecting plate (4-9)
It is fixedly connected on tight plate (4-11) there are two spacing block set II (4-12), two spacing block set II (4-12) are slidably connected at respectively
In two limit slideway II (4-10), the rear end of connecting plate (4-9) is fixedly connected with slide plate (4-13), slide plate (4-13) and traveller
(4-14) is slidably connected, and traveller (4-14) is fixedly connected with clamping plate (4-11), and spring (4-15), bullet are cased on traveller (4-14)
Spring (4-15) is located between clamping plate (4-11) and slide plate (4-13).
2. a kind of Portable projection screen cloth holder according to claim 1, it is characterised in that: the static housing (1) is also
Including handle (1-7), handle (1-7) is fixedly connected on the upper end of upper cover (1-3).
3. a kind of Portable projection screen cloth holder according to claim 1, it is characterised in that: the lifting loading plate (2)
It further include handle (2-6), handle (2-6) is fixedly connected on the upper end of lead screw (2-5).
4. a kind of Portable projection screen cloth holder according to claim 1, it is characterised in that: on the winding bucket (3-3)
It is wound with projection screen.
5. a kind of Portable projection screen cloth holder according to claim 1, it is characterised in that: the fixed device of the curtain
It (4) further include limit annulus (4-16) and knob (4-17), after limit annulus (4-16) is fixedly connected on positioning cylinder (4-7)
End, knob (4-17) are fixedly connected on the rear end of traveller (4-14).
6. a kind of Portable projection screen cloth holder according to claim 1, it is characterised in that: the universal wheel (1-5) is certainly
Band self-locking function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215245.2U CN209070298U (en) | 2018-12-27 | 2018-12-27 | A kind of Portable projection screen cloth holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215245.2U CN209070298U (en) | 2018-12-27 | 2018-12-27 | A kind of Portable projection screen cloth holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209070298U true CN209070298U (en) | 2019-07-05 |
Family
ID=67102273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822215245.2U Expired - Fee Related CN209070298U (en) | 2018-12-27 | 2018-12-27 | A kind of Portable projection screen cloth holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209070298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369198A (en) * | 2021-06-09 | 2021-09-10 | 孙发 | Magic tape and preparation system and method thereof |
-
2018
- 2018-12-27 CN CN201822215245.2U patent/CN209070298U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369198A (en) * | 2021-06-09 | 2021-09-10 | 孙发 | Magic tape and preparation system and method thereof |
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