CN113180428B - Fine-tuning winder component of lifting screen - Google Patents
Fine-tuning winder component of lifting screen Download PDFInfo
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- CN113180428B CN113180428B CN202110256021.XA CN202110256021A CN113180428B CN 113180428 B CN113180428 B CN 113180428B CN 202110256021 A CN202110256021 A CN 202110256021A CN 113180428 B CN113180428 B CN 113180428B
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- screen
- winding wheel
- winder
- self
- lifting
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G5/00—Screens; Draught-deflectors
- A47G5/02—Roll-up screens
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
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- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention discloses a fine-tuning winder component of a lifting screen, which belongs to the technical field of lifting devices and comprises a screen fixing seat, a winder base, a winding wheel and a driving piece, wherein the screen fixing seat is arranged on the lifting screen, the winder base is fixed on the screen fixing seat, the winding wheel is fixedly connected with the driving piece, the driving piece drives the winding wheel to axially move and/or rotate relative to the winder base, a self-locking mechanism is arranged between the winder base and the winding wheel, the winding wheel axially moves relative to the winder base to be self-locked or unlocked, a slot with adjustable width is arranged on the screen fixing seat, the lower edge of the lifting screen is inserted into the slot, and the fine-tuning winder component of the lifting screen is adopted to carry out small-range retraction and tension adjustment on a pulling belt, so that the lengths of the pulling belts at two ends are basically consistent, the balance of the lifting screen is ensured, the normal installation distance and the stroke of the lifting screen with different weights are ensured, and the lifting screen is locked immediately after the adjustment is finished, and the stability of the lifting screen is improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of lifting devices, in particular to a lifting screen fine-tuning winder component.
[ background of the invention ]
The screen office table is a whole combined by a screen and an office table, the combination of the screen office table is more and more applied to office space, in order to balance the communication among office personnel and avoid the mutual interference, users put forward higher and higher requirements on the screen adjustable function of the screen office table, therefore, a lifting screen with adjustable height appears, the screen is driven to lift through the pulling belt, in order to keep the stability during lifting, two pulling belts are respectively arranged on two sides of the lifting screen, the screen is stably lifted through pulling the two pulling belts simultaneously by a rolling member, but during actual installation, the situation that the lengths of the two pulling belts are different due to errors during installation can exist, or the lengths of the pulling belts are changed due to elastic deformation when different types of screens are loaded, so that the installation distance and the stroke are changed, or special displacement installation and the like need to retract or finely adjust at least one pulling belt, and the realization through the rolling member is difficult.
[ summary of the invention ]
The present invention is directed to a screen-lifting fine-tuning reel assembly that at least partially solves the above-mentioned problems.
In order to solve the technical problems, the invention adopts the following technical scheme:
fine-tuning winder component of lifting screen, including screen fixing seat, winder base, reel and driving piece, the screen fixing seat is installed on the lifting screen, the winder base is fixed on the screen fixing seat, the reel with driving piece fixed connection, the driving piece drives the relative reel base axial displacement of reel and/or rotation, the winder base with be equipped with self-locking mechanism between the reel, the reel is relative reel base axial displacement is with auto-lock or unblock, be equipped with width adjustable slot on the screen fixing seat, the lower limb cartridge of lifting screen is in the slot.
The beneficial effect of this scheme of adoption:
the self-locking winder in the scheme is characterized in that the two sides of the lifting screen are arranged, so that the winding device drives the lifting screen to lift through pulling, the two sides of the lifting screen are respectively retracted and extended in a small range and adjusted in relaxation degree, the self-locking winder at the shorter end can release the pulling belt at the side, the self-locking winder at the longer end can tighten the pulling belt at the side, the lengths of the pulling belts at the two ends are basically consistent, the balance of the lifting screen is ensured, the elastic deformation of the pulling belt and the length change of the pulling belt are caused by the lifting screens with different weights, the pulling belt can be finely adjusted through the self-locking winders at the two sides, the normal installation distance and the stroke of the lifting screens with different weights are ensured, the lifting screens are locked immediately after adjustment is completed, the stability of the lifting screen is improved, the functions can be realized through the driving piece through manual operation, the operation is convenient to operate, and the structure is simple. The width of the slot is adjusted to match with the lifting screen with different thicknesses, and after the installation is completed, the width of the slot can be adjusted to compress the two sides of the lifting screen so as to improve the stability of the lifting screen after the installation.
Preferably, the winding wheel and the driving member are respectively located on the inner side and the outer side of the winder base, the winder base is arranged between the driving member and the lifting screen, the winder base is provided with a mounting hole, one end of the winding wheel penetrates out of the mounting hole to be connected with the driving member, and one end of the winding wheel freely rotates in the mounting hole.
Preferably, the self-locking mechanism is closer to the driving piece than the lifting screen, and the driving piece pushes the winding wheel to move inwards to unlock; or the self-locking mechanism is closer to the lifting screen than the driving piece, and the driving piece pulls the winding wheel to move outwards and unlock the winding wheel.
Preferably, the self-locking mechanism comprises an internal spline arranged on the reel base, and an external spline matched with the spline is arranged on the winding wheel.
Preferably, the lifting screen fine-tuning winder component further comprises an elastic resetting piece arranged on the winding wheel, and the elastic resetting piece drives the winding wheel to reset and self-lock.
Preferably, the driving part comprises an operation knob, one end of the winding wheel is a prismatic end, the operation knob is provided with a mounting seat, a polygonal groove matched with the prismatic end in shape is formed in the mounting seat, and the prismatic end is inserted into the polygonal groove to form a circumferential limiting structure.
Preferably, the winding wheel is connected with the driving member through a fastener, a pulling belt for driving the lifting screen to lift is further arranged on the lifting screen, and one end of the pulling belt is fixed on the winding wheel or the driving member along with the fastener.
Preferably, a fixing block is arranged in the operation knob, an installation block is arranged in the winding wheel, the fixing block is connected with the installation block through a self-tapping screw, and the self-tapping screw penetrates through the installation block and then is fixed on the fixing block.
Preferably, an axial stopper structure for limiting an axial movement stroke of the spool is provided between the reel base and the spool.
Preferably, the adjustable fixing seat comprises a fixing seat body and an L-shaped stop part, the L-shaped stop part comprises a stopping part and an inserting part, the fixing seat body comprises a fixing part for fixing the reel base and a socket part matched with the inserting part, the socket part is fixed with the inserting part through a bolt, the fixing part, the socket part, the stopping part and the inserting part form the slot, and the bolt is screwed to adjust the width of the slot.
These features and advantages of the invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention is further described with reference to the accompanying drawings in which:
fig. 1 is a schematic perspective view of a screen lifting device according to the present invention.
FIG. 2 is a perspective view of the screen-lifting fine-tuning reel assembly of the present invention.
FIG. 3 is a cross-sectional view of the fine tuning winder assembly of the present invention.
FIG. 4 is an exploded view of the fine tuning winder assembly of the present invention.
Fig. 5 is a schematic perspective view of the operation knob of the present invention.
FIG. 6 is a perspective view of the winding wheel of the present invention.
FIG. 7 is a perspective view of the reel base according to the present invention.
FIG. 8 is a perspective view of another perspective view of the reel base of the present invention.
Reference numerals are as follows: a lifting screen 001; a vertical guide rail 002; an upper fixing seat 003a; a lower fixed seat 003b; a self-locking winder 004; a reel base 1; a mounting hole 101; an inner lumen 102; an internal spline 103; a second wire guide 104; a flange portion 105; a winding wheel 2; an external spline 201; a reel body 202; hexagonal end 2021; hexagonal hollow structures 2022; a first wire guide 202a; a stop ring 203; another stop ring 204; a mounting block 205; an operation knob 3; a mount 301; a hexagonal anchor block 302; a hexagonal ring groove 303; a top plate 304; a cylindrical portion 305; a circular ring groove 306; an elastic restoring member 4; a self-tapping screw 5; a fixed seat body 6; a fixed portion 601; a socket 602; an L-shaped stopper 7; a stopper portion 701; an insertion part 702; a bolt 8; and a slot 9.
[ detailed description ] A
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all of them. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The first embodiment is as follows:
as shown in FIG. 1 to FIG. 8, a fine tuning winder assembly of a lifting screen 001 comprises a screen fixing seat and a self-locking winder 004, wherein the self-locking winder 004 comprises a winder base 1, a winding wheel 2 and a driving member, the screen fixing seat is installed on the lifting screen 001, the winder base 1 is fixed on the screen fixing seat, the winding wheel 2 is fixedly connected with the driving member, the driving member drives the winding wheel 2 to axially move and/or rotate relative to the winder base 1, a self-locking mechanism is arranged between the winder base 1 and the winding wheel 2, the winding wheel 2 axially moves relative to the winder base 1 to be self-locked or unlocked, a slot 9 with adjustable width is arranged on the screen fixing seat, and the lower edge of the lifting screen 001 is inserted into the slot 9.
The self-locking winder 004 in the embodiment is provided with two sides of the lifting screen 001, so that on the premise that a winding part drives the lifting screen 001 to lift by pulling, the two sides of the lifting screen 001 are respectively retracted and extended in a small range and tension and relaxation can be adjusted, aiming at the condition that the lifting screen 001 inclines, the pulling belt at the side can be released by the self-locking winder 004 at the shorter end, the pulling belt at the side can be tightened by the self-locking winder 004 at the longer end, the lengths of the pulling belts at the two ends are basically consistent, the balance of the lifting screen 001 is ensured, aiming at the condition that the lifting screen 001 with different weights causes elastic deformation of the pulling belt and the length is changed, the pulling belt can be finely adjusted by the self-locking winders 004 at the two sides, the normal installation distance and the stroke of the lifting screen 001 with different weights are ensured, the lifting screen 001 with the two ends are locked immediately after the adjustment is completed, the winding wheel 2 is prevented from being reversed, the stability of the lifting screen 001 is improved, the above functions can be realized by manually operating driving part, the operation is convenient, and the structure is simple.
For the specific structure, lifting principle and operation process of the lifting screen 001, reference may be made to an authorized patent document with application number CN201921438638.8 and name of a platform with a lifting partition plate of the present applicant, which is not described herein again, and the lifting screen 001 in this embodiment is a lifting shelf in the authorized patent document.
The specific structure of the screen fixing seat in this embodiment, as shown in fig. 2 to 4, the adjustable fixing seat includes a fixing seat body 6 and an L-shaped stop member 7, the L-shaped stop member 7 includes a stop portion 701 and an insertion portion 702, the fixing seat body 6 includes a fixing portion 601 for fixing the reel base 1 and a socket portion 602 matched with the insertion portion 702, the socket portion 602 and the insertion portion 702 are fixed by a bolt 8, the fixing portion 601, the socket portion 602, the stop portion 701 and the insertion portion 702 enclose a slot 9, the depth of the insertion portion 702 inserted into the socket portion 602 is changed by screwing the bolt 8, so as to adjust the width of the slot 9 to match with the lifting screen 001 with different thicknesses, after the installation is completed, the fixing portion 601 and the stop portion 701 are pressed against both sides of the lifting screen 001 by screwing the bolt 8, so as to improve the stability of the lifting screen 001 after the installation.
The reel base 1 in this embodiment is fixed on the lifting screen 001 through a screen fixing seat, that is, the screen fixing seat is provided on the lifting screen 001, and the reel base 1 is fixed on the screen fixing seat through a tapping screw 5, as shown in fig. 1, the screen fixing seat is specifically the lower fixing seat 003b in the above patent document.
In order to protect the winding wheel 2, as shown in fig. 3 and 4, the winding wheel 2 and the driving member are respectively located at the inner side and the outer side of the reel base 1, the reel base 1 is arranged between the driving member and the lifting screen 001, the reel base 1 is provided with a mounting hole 101, one end of the winding wheel 2 penetrates through the mounting hole 101 to be connected with the driving member, and one end of the winding wheel 2 freely rotates in the mounting hole 101.
As shown in fig. 7, the reel base 1 is provided with an inner cavity 102, the winding wheel 2 is located in the inner cavity 102, the inner cavity 102 reserves a space for the winding wheel 2 to move axially and rotate, and the reel base 1 plays a role in supporting, limiting and guiding the winding wheel 2 when the winding wheel 2 moves axially or rotates through the mounting hole 101.
In order to simultaneously realize the functions of driving the winding wheel 2 to axially move and rotate, the driving piece in the embodiment preferably operates the knob 3.
The self-locking mechanism preferably has a spline fitting structure, and specifically, as shown in fig. 3, 6 and 7, the self-locking mechanism includes an internal spline 103 provided on the reel base 1, and an external spline 201 fitted with the internal spline 103 is provided on the reel 2.
In this embodiment, the self-locking mechanism is closer to the driving member than the lifting screen 001, i.e. the internal spline 103 is located inside the outer end of the reel base 1, when the operation knob 3 is manually pressed, the operation knob 3 pushes the winding wheel 2 to move inwards, and generates axial displacement relative to the reel base 1, the external spline 201 moves along with the movement, the external spline 201 is separated from the internal spline 103, and the unlocking is realized.
In order to realize the self-locking function, as shown in fig. 3 and 4, the self-locking reel 004 further comprises an elastic reset piece 4 arranged on the winding wheel 2, the elastic reset piece 4 drives the winding wheel 2 to reset and self-lock, the elastic reset piece 4 is preferably a pressure spring or a spring sheet arranged between the winding wheel 2 and the screen fixing seat, when the winding wheel 2 is unlocked, the pressure spring or the spring sheet is extruded to generate elastic deformation, after the adjustment is completed, the operation knob 3 is loosened, when the pressure spring or the spring sheet recovers to deform, the winding wheel 2 is pushed to move outwards, the external spline 201 moves along with the external spline, and the external spline 201 and the internal spline 103 are matched for self-locking.
As shown in fig. 6, the winding wheel 2 includes a winding wheel body 201 and two stop rings sleeved with the winding wheel body, a winding slot is formed between the two stop rings, one of the stop rings 203 is close to the screen fixing seat, the other stop ring 204 is located in the middle of the winding wheel 2, the external spline 201 is located outside the other stop ring 204, and when the self-locking winder is self-locked, the external spline 201 abuts against the winder base 1 to axially limit the outward movement displacement of the winding wheel 2.
As shown in fig. 6, a first wire guiding hole 202a is formed on the winding wheel body 202 located at the winding slot section, and the pulling tape passes through the first wire guiding hole 202 a.
As shown in fig. 7 and 8, the upper end of the reel base 1 is provided with a second wire guide 104 through which the pulling tape passes.
Of course, the elastic restoring member 4 may be a tension spring provided between the reel base 1 and the winding wheel 2.
In other embodiments, the self-locking mechanism is not limited to the spline engagement structure, and may be a coupling gear sleeve and gear groove engagement structure, a ratchet wheel and ratchet tooth engagement structure, and the like, as long as the self-locking function can be achieved, which fall within the scope of the present invention.
In order to realize the synchronous rotation of the operation knob 3 and the winding wheel 2, a circumferential limiting structure is arranged between the operation knob 3 and the winding wheel 2, specifically, as shown in fig. 6, one end of the winding wheel 2, i.e. one end of the winding wheel 2 penetrating through the mounting hole 101, is a prismatic end, preferably a hexagonal end 2021, as shown in fig. 5, an installation seat 301 is arranged on the operation knob 3, a hexagonal groove matched with the hexagonal end 2021 is formed in the installation seat 301, the hexagonal end 2021 is inserted into the hexagonal groove to form the circumferential limiting structure, the hexagonal end 2021 and each corresponding plane in the hexagonal groove are used for circumferential limiting, and the hexagonal end 2021 and the hexagonal groove are matched, compared with the four prismatic end 2021 and the square groove, the insertion is easier, and compared with the matching of more prismatic ends 2021 and the polygonal groove, the limiting effect is better, and the relative rotation cannot occur.
The winding wheel 2 and the operation knob 3 are axially connected by a fastener, one end of the pulling belt is fixed on the winding wheel 2 or the driving part along with the fastener, preferably, as shown in fig. 5, the operation knob 3 is provided with a fixing block, as shown in fig. 3, the winding wheel 2 is provided with an installation block 205, the fixing block is connected with the installation block 205 through a tapping screw 5, the tapping screw 5 passes through the installation block 205 and then is fixed on the fixing block, and one end of the pulling belt is extruded on the fixing block and/or the installation block 205 through the tapping screw 5.
Specifically, as shown in fig. 5, the fixing block is a hexagonal fixing block 302 disposed in the middle of the hexagonal groove, a hexagonal ring groove 303 is defined by the outer wall of the hexagonal fixing block 302 and the wall of the hexagonal groove, a hexagonal hollow structure 2022 is formed at the hexagonal end 2021 of the winding wheel body 202, the hexagonal prism is inserted into the hexagonal ring groove 303, the hexagonal fixing block 302 is inserted into the hexagonal hollow structure 2022, and the circumferential direction is limited doubly.
As shown in fig. 5, the operation knob 3 includes a top plate 304 and a cylindrical portion 305, the mounting seat 301 and the fixing block are both disposed on the top plate 304, the cylindrical portion 305 and the mounting seat 301 form a circular ring groove 306, an outwardly extending flange portion 105 is disposed around the mounting hole 101 of the reel base 1, the outer ring of the flange portion 105 is preferably in a flower shape, the flange portion 105 is inserted into the circular ring groove 306 and can slide and rotate in the circular ring groove 306, when the self-locking reel 004 is in a self-locking state, a gap is left between the outer end surface of the flange portion 105 and the top plate 304, and when the self-locking reel is unlocked, the spool 2 generates an axial displacement relative to the reel base 1, wherein the gap is greater than or equal to the axial displacement.
When the length of the pulling belt needs to be adjusted:
pressing operation knob 3, operation knob 3 promotes the inside axial displacement of take-up reel 2, extrudes elasticity piece 4 that resets, and the external splines 201 of take-up reel 2 and the internal splines 103 separation unblock of winder base 1 rotate operation knob 3 again, drive take-up reel 2 and rotate, receive and release the pull band.
When adjusted to the appropriate length, a lock is required:
the operation knob 3 is released, the elastic reset piece 4 pushes the winding wheel 2 outwards in the elastic reset process, so that the external spline 201 of the winding wheel 2 is matched with the internal spline 103 of the reel base 1 for self-locking.
The second embodiment:
the difference between this embodiment and the first embodiment is that the self-locking mechanism is closer to the up-down screen 001 than the driving member, and in the winding mode, the driving member pulls the winding wheel 2 to move outward and unlock.
At this time, a compression spring or a spring plate as the elastic restoring member 4 should be disposed between the spool 2 and the reel base 1.
Example three:
the lifting screen device comprises the self-locking winder 004 for the lifting screen 001 in any one of the embodiments.
Specifically, as shown in fig. 1, the lifting screen device includes a lifting screen 001 and a vertical guide rail 002, two ends of the vertical guide rail 002 are fixed on the lifting screen 001 through a screen fixing seat, the screen fixing seat includes an upper fixing seat 003a and a lower fixing seat 003b respectively located at two ends of the vertical guide rail 002, and a self-locking reel 004 for the lifting screen 001 is fixed on the lower fixing seat 003b.
The above embodiments are merely examples and do not limit the scope of the invention. On the basis of this, a person skilled in the art can envision other embodiments that perform the same function within the scope of the claims of the present invention.
While the foregoing is directed to embodiments of the present invention, the scope of the present invention is not limited thereto, and it will be appreciated by those skilled in the art that the present invention includes, but is not limited to, those illustrated in the drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the claims.
Claims (6)
1. A fine-tuning winder component of a lifting screen is characterized by comprising a screen fixing seat and a self-locking winder which is arranged on the two sides of the lifting screen and used for carrying out small-range retraction and extension of a pull belt and adjustment of relaxation degree, wherein the self-locking winder comprises a winder base, a winding wheel and a driving piece;
the self-locking mechanism is closer to the driving piece than the lifting screen, and the driving piece pushes the winding wheel to move inwards to unlock; or the self-locking mechanism is closer to the lifting screen than the driving piece, and the driving piece pulls the winding wheel to move outwards and unlock the winding wheel; the self-locking mechanism comprises an internal spline arranged on the winder base, and an external spline matched with the internal spline is arranged on the winding wheel; the driving piece comprises an operation knob, one end of the winding wheel is a prismatic end, the operation knob is provided with a mounting seat, a polygonal groove matched with the prismatic end in shape is formed in the mounting seat, and the prismatic end is inserted into the polygonal groove to form a circumferential limiting structure; the screen fixing seat comprises a fixing seat body and an L-shaped stop part, the L-shaped stop part comprises a stopping part and an inserting part, the fixing seat body comprises a fixing part for fixing the reel base and a socket part matched with the inserting part, the socket part and the inserting part are fixed through bolts, the fixing part, the socket part, the stopping part and the inserting part form the slot, and the bolt is screwed to adjust the width of the slot.
2. The fine-tuning wire reel assembly of claim 1, wherein the wire reel and the driving member are respectively disposed at the inner and outer sides of the wire reel base, the wire reel base is disposed between the driving member and the screen, the wire reel base is provided with a mounting hole, one end of the wire reel penetrates through the mounting hole and is connected to the driving member, and one end of the wire reel freely rotates in the mounting hole.
3. The winding screen fine tuning winder assembly according to claim 1, further comprising an elastic restoring member provided on the winding wheel, wherein the elastic restoring member drives the winding wheel to restore and self-lock.
4. The fine-tuning winder assembly of claim 1, wherein the winding wheel is connected to the driving member via a fastening member, and a pulling belt is provided on the screen for driving the screen to move up and down, one end of the pulling belt being fixed to the winding wheel or the driving member along with the fastening member.
5. The fine-tuning winder assembly for a folding screen according to claim 1, wherein a fixing block is provided in the operation knob, and a mounting block is provided in the winding wheel, the fixing block and the mounting block are connected by a self-tapping screw, and the self-tapping screw passes through the mounting block and then is fixed on the fixing block.
6. The elevating screen fine-tuning reel assembly according to claim 1, wherein an axial limiting structure for limiting the axial travel of the winding wheel is provided between the reel base and the winding wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110256021.XA CN113180428B (en) | 2021-03-09 | 2021-03-09 | Fine-tuning winder component of lifting screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110256021.XA CN113180428B (en) | 2021-03-09 | 2021-03-09 | Fine-tuning winder component of lifting screen |
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| CN113180428A CN113180428A (en) | 2021-07-30 |
| CN113180428B true CN113180428B (en) | 2022-11-25 |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6137629A (en) * | 1997-05-20 | 2000-10-24 | Draper, Inc. | Projection screen system with circuitry for multi-stage installation |
| CN203314589U (en) * | 2013-06-16 | 2013-12-04 | 王威 | Portable telescopic partitioning screen |
| KR101780418B1 (en) * | 2015-06-22 | 2017-09-21 | 이세일 | Sealed type screen shutter device |
| CN206836702U (en) * | 2017-02-23 | 2018-01-05 | 中山市方方视听科技有限公司 | A kind of screen desk screen elevating mechanism |
| CN207837290U (en) * | 2017-06-30 | 2018-09-11 | 诺梵（上海）家具制造有限公司 | A kind of Liftable type screen |
| CN107772801A (en) * | 2017-09-22 | 2018-03-09 | 殷平生 | A kind of desk with electric up-down screen |
| CN107440416B (en) * | 2017-10-10 | 2023-10-13 | 佛山统合家具有限公司 | Synchronous floating screen mechanism for lifting office table |
| CN209073662U (en) * | 2018-08-14 | 2019-07-09 | 北京赢家伟业科技孵化器股份有限公司 | A kind of liftable desktop office area |
| CN209090612U (en) * | 2018-08-17 | 2019-07-12 | 中交一公局集团有限公司 | Vertical horizontal scroll screen |
| CN211510911U (en) * | 2020-01-19 | 2020-09-18 | 福建惠安县振惠家私有限公司 | Office table with screen |
| CN211609014U (en) * | 2020-02-25 | 2020-10-02 | 许昌职业技术学院 | Adjustable screen is used in architectural decoration art design |
| CN212325878U (en) * | 2020-04-15 | 2021-01-12 | 江西省仁和教育技术设备有限责任公司 | Lifting screen office desk |
| CN212630459U (en) * | 2020-07-28 | 2021-03-02 | 济南市长清区金盾辐射防护器材厂 | Medical movable ray protection lead screen |
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2021
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