CN111578089B - Collapsible portable projecting apparatus support that contracts - Google Patents

Collapsible portable projecting apparatus support that contracts Download PDF

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Publication number
CN111578089B
CN111578089B CN202010507291.9A CN202010507291A CN111578089B CN 111578089 B CN111578089 B CN 111578089B CN 202010507291 A CN202010507291 A CN 202010507291A CN 111578089 B CN111578089 B CN 111578089B
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China
Prior art keywords
support
plate
rod
slide bar
locking
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Active
Application number
CN202010507291.9A
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Chinese (zh)
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CN111578089A (en
Inventor
胡鹏霖
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Shenzhen Pinzhao Technology Co ltd
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Shenzhen Pinzhao Technology Co ltd
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Priority to CN202010507291.9A priority Critical patent/CN111578089B/en
Publication of CN111578089A publication Critical patent/CN111578089A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means
    • F16M2200/025—Locking means for translational movement

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

The invention is suitable for the technical field of electronic equipment, and provides a foldable and contractible portable projector support which comprises a bottom plate, wherein a first support is arranged on the bottom plate, a rotary support plate is hinged to the first support, a locking assembly is arranged on the bottom plate, a guide plate is arranged at the top of the side wall of the rotary support plate, a slide bar is arranged on the guide plate in a sliding mode, a moving assembly is arranged on the rotary support plate, a second support is hinged to the top of the slide bar, a storage box is arranged on the second support, and a limiting assembly is arranged on the slide bar. This portable projecting apparatus support of collapsible shrink is through the articulated cooperation of first support with rotatory backup pad for rotatory folding can be rotated to rotatory backup pad, and the time spent not, folding rotatory backup pad, through the sliding fit of slide bar and deflector, with the slide bar shrink, under the articulated cooperation of second support with the slide bar, rotatory to parallel with the slide bar with the case, reach the purpose of folding shrink, conveniently shift or deposit.

Description

Collapsible portable projecting apparatus support that contracts
Technical Field
The invention belongs to the technical field of electronic equipment, and particularly relates to a foldable and contractible portable projector support.
Background
The utility model discloses a portable smart mobile phone projecting apparatus in chinese patent that the bulletin number is CN209388104U, including the projecting apparatus support, the bottom threaded connection of projecting apparatus support has the universal wheel, projecting apparatus support end face central point puts the fixed projecting apparatus supporting box that is equipped with, there is the supporting box apron tip of projecting apparatus supporting box through screwed connection, the end face central point of supporting box apron puts and is equipped with rotatory axle sleeve, the welding of one side of rotatory axle sleeve has rotatory handle, be equipped with accurate lead screw on the rotatory axle sleeve, the end connection of accurate lead screw has the axle sleeve, connecting seat under the axle sleeve fixed connection, lower connecting seat is connected with the connecting seat through a plurality of hasp subassemblies, go up the fixed projecting apparatus body that is equipped with on the terminal surface of connecting seat, be equipped with the projecting apparatus handle on the projecting apparatus body, can adjust the height of projecting apparatus.
However, the above technical solutions have the following disadvantages in practical use: the projector support box and the precise screw rod occupy large space and cannot be folded, so that the projector support box and the precise screw rod are inconvenient to transfer or store.
Disclosure of Invention
The present invention is directed to a foldable and retractable portable projector mount, which solves the above problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a foldable and contractible portable projector support comprises a bottom plate, wherein a first support is arranged on the bottom plate, a rotary support plate is hinged to the first support, a locking assembly used for locking the rotary support plate is arranged on the bottom plate, a guide plate is arranged at the top of the side wall of the rotary support plate, a slide bar is arranged on the guide plate in a sliding manner, a moving assembly used for moving the slide bar is arranged on the rotary support plate, a second support is hinged to the top of the slide bar, a storage box is arranged on the second support, and a limiting assembly used for limiting the storage box is arranged on the slide bar; through the articulated cooperation of first support and rotatory backup pad for rotatory backup pad can rotate foldingly, and the time spent not, with rotatory backup pad folding, through the sliding fit of slide bar and deflector, with the slide bar shrink, under the articulated cooperation of second support and slide bar, rotatory to parallel with the slide bar with the case, reach the purpose of folding shrink, conveniently shift or deposit.
As a further scheme of the invention: the locking assembly comprises a connecting rod and a locking plate;
the locking plate is fixed on the bottom plate, a third support is arranged on the rotary supporting plate, one end of the connecting rod is hinged to the third support, a locking rod is arranged at the other end of the connecting rod, a strip-shaped through hole for the locking rod to penetrate through is formed in the locking plate, a first baffle is fixed at the end of the locking rod, a first pressing plate is arranged on the locking rod in a sliding mode, and a first spring is arranged between the first pressing plate and the first baffle; during the use, stand rotatory backup pad, the locking pole removes in the bar opening, and rotatory back of accomplishing utilizes first spring top to move first clamp plate, makes first clamp plate press on the lockplate, can be fixed rotatory backup pad.
As a still further scheme of the invention: a handle is arranged on the first pressing plate, and convex patterns are arranged on one side surface of the first pressing plate opposite to the locking plate; the first pressing plate is conveniently pulled through the handle, the convex patterns on the first pressing plate and the locking plate can increase friction force, and relative sliding between the first pressing plate and the locking plate is avoided.
As a still further scheme of the invention: the moving assembly comprises a moving block and a lead screw;
the moving block is fixed at the bottom end of the sliding rod, a groove is formed in the rotating support plate, a shaft sleeve matched with the lead screw is embedded in the top of the rotating support plate, a second bearing seat is connected to the bottom end of the lead screw, the lead screw penetrates through the moving block and is in threaded connection with the moving block, and a knob is arranged at the top end of the lead screw; the lead screw is rotated through the knob, and under the guiding action of the slide bar and the guide plate, the movable block is matched with the lead screw through threads, so that the movable block and the slide bar are driven to move, and the height of the storage box can be adjusted.
As a still further scheme of the invention: the limiting assembly comprises a limiting plate and a limiting column;
the sliding rod is provided with a fixing frame, the limiting plate is arranged on the fixing frame, the limiting column is fixed on the storage box, an arc-shaped through hole for the limiting column to penetrate through is formed in the limiting plate, and a nut is sleeved on the limiting column in a threaded manner; when rotatory case, spacing post removes in the arc opening, and the nut of screwing compresses tightly the limiting plate, can lock the case.
As a still further scheme of the invention: a threaded rod is connected to the bottom plate in a threaded manner, a first bearing block is connected to the bottom end of the threaded rod, supporting legs are arranged at the bottom of the first bearing block, and a rotary lug is arranged on the threaded rod; the threaded rod is rotated through the rotary lug, and the bottom plate can be finely adjusted by utilizing the threaded fit of the threaded rod and the bottom plate, so that the bottom plate can be adjusted to a horizontal position.
As a still further scheme of the invention: the storage box consists of a bottom box and an L-shaped box cover, a fourth support and a U-shaped block are arranged on the bottom box, a support rod and a fifth support are arranged on the L-shaped box cover, the support rod is hinged to the fourth support, a rotating rod is hinged to the fifth support, a second baffle is fixed at the end of the rotating rod, a second pressing plate is arranged on the rotating rod in a sliding mode, and a second spring is arranged between the second pressing plate and the second baffle; in arranging the projecting apparatus in the case, through the articulated cooperation of branch and fourth support, make things convenient for switching L type box cover, during the projection, open L type box cover, use the completion after, with L type box cover lid on end box, can effectively protect the projecting apparatus, avoid falling the ash, with rotary rod embedding U type piece in, utilize the second spring top to move the second clamp plate, the second clamp plate is hugged closely on U type piece, can be with L type lid locking on end box.
Compared with the prior art, the invention has the beneficial effects that:
1. this portable projecting apparatus support of collapsible shrink is through the articulated cooperation of first support with rotatory backup pad for rotatory folding can be rotated to rotatory backup pad, and the time spent not, folding rotatory backup pad, through the sliding fit of slide bar and deflector, with the slide bar shrink, under the articulated cooperation of second support with the slide bar, rotatory to parallel with the slide bar with the case, reach the purpose of folding shrink, conveniently shift or deposit.
2. When the foldable and contractible portable projector bracket is used, the rotating support plate is erected, the locking rod moves in the strip-shaped through opening, and after the rotation is finished, the first pressing plate is pushed by the first spring to press the first pressing plate on the locking plate, so that the rotating support plate can be fixed; the lead screw is rotated through the knob, and under the guiding action of the slide bar and the guide plate, the movable block is matched with the screw thread of the lead screw so as to drive the movable block and the slide bar to move, so that the height of the storage box can be adjusted; when rotatory case, spacing post removes in the arc opening, and the nut of screwing compresses tightly the limiting plate, can lock the case. The threaded rod is rotated through the rotary lug, and the bottom plate can be finely adjusted by utilizing the threaded fit of the threaded rod and the bottom plate, so that the bottom plate can be adjusted to a horizontal position.
3. This portable projecting apparatus support of collapsible shrink passes through the articulated cooperation of branch and fourth support, makes things convenient for switching L type box cover, during the projection, opens L type box cover, uses the completion back, covers L type box cover on end box, can effectively protect the projecting apparatus, avoids falling the ash, with rotary rod embedding U type piece in, utilizes the second spring top to move the second clamp plate, the second clamp plate is hugged closely on U type piece, can be with L type lid locking on end box.
Drawings
Fig. 1 is a schematic front view of an embodiment 1 of the present invention.
Fig. 2 is a schematic top view of the lock plate, the link, and the first presser plate in embodiment 1 of the present invention.
Fig. 3 is a schematic view of a combined structure of the moving block and the rotating support plate in embodiment 1 of the present invention.
Fig. 4 is a schematic sectional view showing the storage box according to embodiment 2 of the present invention.
In the figure: the device comprises a base plate 1, a rotary lug 2, a rotary lug 3, a first support seat 4, a rotary support plate 5, a movable block 5, a sliding rod 6, a guide plate 7, a fixed frame 8, an arc-shaped through opening 9, a limiting plate 10, a limiting column 11, a storage box 12, a nut 13, a second support seat 14, a rotary knob 15, a lead screw 16, a third support seat 17, a connecting rod 18, a locking plate 19, a strip-shaped through opening 20, a threaded rod 21, a first bearing seat 22, a supporting foot 23, a locking rod 24, a first pressure plate 25, a first baffle 26, a first spring 27, a handle 28, a convex line 29, a groove 30, a shaft sleeve 31, a bottom box 32, a fourth support seat 33, a supporting rod 34, a box cover 35-L, a fifth support seat 36, a rotary rod 37, a U-shaped block 38, a second spring 39, a second baffle 40, a second pressure plate 41, and a second bearing seat 42.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
Referring to fig. 1-3, in an embodiment of the present invention, a foldable and retractable portable projector support includes a bottom plate 1, a first support 3 is disposed on the bottom plate 1, a rotating support plate 4 is hinged to the first support 3, a locking assembly for locking the rotating support plate 4 is disposed on the bottom plate 1, a guide plate 7 is disposed on a top portion of a side wall of the rotating support plate 4, a slide bar 6 is slidably disposed on the guide plate 7, a moving assembly for moving the slide bar 6 is disposed on the rotating support plate 4, a second support 14 is hinged to a top portion of the slide bar 6, a storage box 12 is mounted on the second support 14, and a limiting assembly for limiting the storage box 12 is disposed on the slide bar 6; through the articulated cooperation of first support 3 and rotatory backup pad 4 for rotatory folding can be rotated to rotatory backup pad 4, and the time spent not, with rotatory backup pad 4 folding, through the sliding fit of slide bar 6 with deflector 7, with the shrink of slide bar 6, under the articulated cooperation of second support 14 and slide bar 6, rotate case 12 to parallel with slide bar 6, reach the purpose of folding shrink, conveniently shift or deposit.
Specifically, the locking assembly includes a linkage 18 and a locking plate 19;
the locking plate 19 is fixed on the base plate 1, the rotating support plate 4 is provided with a third support 17, one end of the connecting rod 18 is hinged on the third support 17, the other end of the connecting rod 18 is provided with a locking rod 24, the locking plate 19 is provided with a strip-shaped through hole 20 for the locking rod 24 to pass through, the end part of the locking rod 24 is fixed with a first baffle plate 26, the locking rod 24 is provided with a first pressing plate 25 in a sliding manner, and a first spring 27 is arranged between the first pressing plate 25 and the first baffle plate 26; when the locking device is used, the rotary support plate 4 is erected, the locking rod 24 moves in the strip-shaped through hole 20, and after the rotation is completed, the first pressing plate 25 is pushed by the first spring 27, so that the first pressing plate 25 is pressed on the locking plate 19, and the rotary support plate 4 can be fixed.
Further, a handle 28 is arranged on the first pressing plate 25, and a side surface of the first pressing plate 25 opposite to the locking plate 19 is provided with a convex pattern 29; the first pressing plate 25 is conveniently pulled by the handle 28, and the first pressing plate 25 and the raised pattern 29 on the locking plate 19 can increase friction force to prevent the first pressing plate 25 and the locking plate 19 from sliding relatively.
Specifically, the moving assembly comprises a moving block 5 and a lead screw 16;
the moving block 5 is fixed at the bottom end of the sliding rod 6, the rotary support plate 4 is provided with a groove 30, the top of the rotary support plate 4 is embedded with a shaft sleeve 31 matched with the screw rod 16, the bottom end of the screw rod 16 is connected with a second bearing seat 42, the screw rod 16 penetrates through the moving block 5 and is in threaded connection with the screw rod, and the top end of the screw rod 16 is provided with a knob 15; the lead screw 16 is rotated through the knob 15, and under the guiding action of the slide bar 6 and the guide plate 7, the movable block 5 is driven to move by the thread fit of the lead screw 16 and the movable block 5, so that the height of the storage box 12 can be adjusted.
Specifically, the limiting assembly comprises a limiting plate 10 and a limiting column 11;
the sliding rod 6 is provided with a fixing frame 8, a limiting plate 10 is arranged on the fixing frame 8, a limiting column 11 is fixed on a storage box 12, an arc-shaped through hole 9 for the limiting column 11 to penetrate through is formed in the limiting plate 10, and a nut 13 is sleeved on the limiting column 11 in a threaded mode; when the storage box 12 is rotated, the limiting column 11 moves in the arc-shaped through hole 9, the nut 13 is screwed, the limiting plate 10 is pressed, and the storage box 12 can be locked.
Furthermore, a threaded rod 21 is connected to the bottom plate 1 in a threaded manner, a first bearing block 22 is connected to the bottom end of the threaded rod 21, a support leg 23 is arranged at the bottom of the first bearing block 22, and a rotary lug 2 is arranged on the threaded rod 21; the threaded rod 21 is rotated through the rotary lug 2, and the threaded rod 21 is matched with the thread of the bottom plate 1, so that the bottom plate 1 can be finely adjusted to be in a horizontal position.
The working principle of the embodiment of the invention is as follows: through the articulated cooperation of first support 3 and rotatory backup pad 4 for rotatory folding can be rotated to rotatory backup pad 4, and the time spent not, with rotatory backup pad 4 folding, through the sliding fit of slide bar 6 with deflector 7, with the shrink of slide bar 6, under the articulated cooperation of second support 14 and slide bar 6, rotate case 12 to parallel with slide bar 6, reach the purpose of folding shrink, conveniently shift or deposit. When the locking device is used, the rotary support plate 4 is erected, the locking rod 24 moves in the strip-shaped through hole 20, and after the rotation is finished, the first pressing plate 25 is pushed by the first spring 27, so that the first pressing plate 25 is pressed on the locking plate 19, and the rotary support plate 4 can be fixed; the lead screw 16 is rotated through the knob 15, under the guiding action of the slide bar 6 and the guide plate 7, the thread fit of the moving block 5 and the lead screw 16 is utilized, so that the moving block 5 and the slide bar 6 are driven to move, and the height of the storage box 12 can be adjusted; when the storage box 12 is rotated, the limiting column 11 moves in the arc-shaped through hole 9, the nut 13 is screwed, the limiting plate 10 is pressed, and the storage box 12 can be locked. The threaded rod 21 is rotated through the rotary lug 2, and the threaded rod 21 is matched with the thread of the bottom plate 1, so that the bottom plate 1 can be finely adjusted to be in a horizontal position.
Example 2
Referring to fig. 4, in an embodiment of the present invention, a foldable and collapsible portable projector support, different from embodiment 1, the storage box 12 is composed of a bottom box 32 and an L-shaped box cover 35, the bottom box 32 is provided with a fourth support 33 and a U-shaped block 38, the L-shaped box cover 35 is provided with a support rod 34 and a fifth support 36, the support rod 34 is hinged to the fourth support 33, the fifth support 36 is hinged to a rotating rod 37, an end of the rotating rod 37 is fixed with a second baffle 40, a second pressing plate 41 is slidably arranged on the rotating rod 37, and a second spring 39 is arranged between the second pressing plate 41 and the second baffle 40; arrange the projecting apparatus in case 12, through the articulated cooperation of branch 34 with fourth support 33, conveniently open and close L type box cover 35, during the projection, open L type box cover 35, use the completion back, cover L type box cover 35 on end box 32, can effectively protect the projecting apparatus, avoid falling the ash, imbed rotary rod 37 in U type piece 38, utilize second spring 39 top to move second clamp plate 41, second clamp plate 41 hugs closely on U type piece 38, can lock L type box cover 35 on end box 32.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (5)

1. A collapsible portable projector support, includes bottom plate (1), its characterized in that:
the base plate (1) is provided with a first support (3), the first support (3) is hinged with a rotary support plate (4), the base plate (1) is provided with a locking assembly for locking the rotary support plate (4), and the locking assembly comprises a connecting rod (18) and a locking plate (19); locking plate (19) are fixed on bottom plate (1), be equipped with third support (17) on swivel support plate (4), the one end of connecting rod (18) articulates on third support (17), the other end of connecting rod (18) is equipped with lock bar (24), set up bar through-hole (20) that supply lock bar (24) to pass on locking plate (19), the end fixing of lock bar (24) has first baffle (26), it is provided with first clamp plate (25) to slide on lock bar (24), be equipped with first spring (27) between first clamp plate (25) and first baffle (26), be equipped with handle (28) on first clamp plate (25), all be equipped with burr (29) on first clamp plate (25) and the relative side of locking plate (19), the lateral wall top of swivel support plate (4) is equipped with deflector (7), it is provided with slide bar (6) to slide on deflector (7), be equipped with the removal subassembly that is used for removing slide bar (6) on swivel support plate (4), the top of second support (14) articulates there is second support (14), it is equipped with the limit component (12) to deposit box (12) on depositing box (12).
2. The collapsible portable projector mount of claim 1, wherein:
the moving assembly comprises a moving block (5) and a lead screw (16);
the sliding block (5) is fixed at the bottom end of the sliding rod (6), a groove (30) is formed in the rotating support plate (4), a shaft sleeve (31) matched with the screw rod (16) is embedded in the top of the rotating support plate (4), the bottom end of the screw rod (16) is connected with a second bearing seat (42), the screw rod (16) penetrates through the sliding block (5) and is in threaded connection with the sliding block, and a knob (15) is arranged at the top end of the screw rod (16).
3. The collapsible portable projector mount of claim 1, wherein:
the limiting assembly comprises a limiting plate (10) and a limiting column (11);
be equipped with mount (8) on slide bar (6), limiting plate (10) set up on mount (8), and spacing post (11) are fixed on case (12), offer arc opening (9) that supply spacing post (11) to pass on limiting plate (10), and threaded sleeve is equipped with nut (13) on spacing post (11).
4. The collapsible portable projector mount of claim 1, wherein:
threaded connection has threaded rod (21) on bottom plate (1), and the bottom of threaded rod (21) is connected with first bearing frame (22), and the bottom of first bearing frame (22) is equipped with stabilizer blade (23), is equipped with on threaded rod (21) and revolves ear (2).
5. The collapsible portable projector mount of claim 1, wherein:
case (12) comprise end box (32) and L type box cover (35), be equipped with fourth support (33) and U type piece (38) on end box (32), be equipped with branch (34) and fifth support (36) on L type lid (35), branch (34) articulate on fourth support (33), it has rotary rod (37) to articulate on fifth support (36), the end fixing of rotary rod (37) has second baffle (40), it is provided with second clamp plate (41) to slide on rotary rod (37), be equipped with second spring (39) between second clamp plate (41) and second baffle (40).
CN202010507291.9A 2020-06-05 2020-06-05 Collapsible portable projecting apparatus support that contracts Active CN111578089B (en)

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CN111578089B true CN111578089B (en) 2022-11-25

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CN113833953A (en) * 2021-09-29 2021-12-24 深圳市欣宜创科技有限公司 Portable intelligent electronic billboard capable of being unfolded

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CN210532029U (en) * 2019-09-24 2020-05-15 浙江大学医学院附属第四医院 Projecting apparatus strutting arrangement for medical engineering
CN110617390A (en) * 2019-09-26 2019-12-27 海安立摩电子科技有限公司 Support for liquid crystal display screen
CN210462295U (en) * 2019-09-27 2020-05-05 四川鹏璨文化传媒有限公司 Multimedia interactive projection equipment
CN111158207A (en) * 2020-02-14 2020-05-15 广州市加简派电子科技有限公司 Holographic projection equipment used for virtual imaging and convenient to use

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