CN211502155U

CN211502155U - Liftable projecting apparatus

Info

Publication number: CN211502155U
Application number: CN202020170285.4U
Authority: CN
Inventors: 王林宁; 王贤明; 郑冬松; 王文安
Original assignee: Wenzhou University Oujiang College
Current assignee: Wenzhou University of Technology
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-09-15
Anticipated expiration: 2030-02-14

Abstract

The utility model discloses a liftable projector, including projector body, centre gripping subassembly, strutting arrangement, bottom plate, strutting arrangement includes vertical section of thick bamboo, vertical post, upper circular plate and lower circular plate, is fixed with the bar-shaped plate between upper circular plate and the lower circular plate, and the outer wall of vertical section of thick bamboo is provided with two at least nut covers, and nut cover female connection has a locking screw, and the end that the locking screw is located vertical section of thick bamboo is fixed with the locking plate that closely contacts with the bar-shaped plate outer wall, and the bottom of vertical post extends to in the inner chamber of vertical section of thick bamboo and is connected with upper circular plate; the clamping assembly comprises a supporting plate fixed to the top of the vertical column, a front end plate and a rear end plate fixed to the top of the supporting plate, a clamping plate is movably arranged between the front end plate and the rear end plate, at least two elastic devices are fixed between the rear end plate and the clamping plate, and the projector body is arranged in an accommodating space between the rear end plate and the clamping plate. The beneficial effects are as follows: simple structure and low cost.

Description

Liftable projecting apparatus

Technical Field

The utility model relates to a liftable projecting apparatus.

Background

The projecting apparatus uses extensively in real life, and chinese patent 201720742402.8 once disclosed a projecting apparatus that possesses raising and lowering functions, including workstation and elevating platform, the first backup pad of top fixedly connected with of workstation, the top of first backup pad is fixedly connected with slide and second fixed plate respectively from a left side to the right side, the positive surface swing joint of second fixed plate has the head rod, the positive surface swing joint of slide has the telescopic link, the output and the head rod fixed connection of telescopic link, the spout has been seted up on the right side at slide top. The utility model discloses a set up the cooperation of telescopic link, slide, spout, gyro wheel, head rod, second connecting rod, fixed block, elevating platform, slide bar and slider and use, this utility model can effectively go up and down to the projecting apparatus, but the structure is complicated, and is with high costs.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a liftable projector of simple structure, with low costs.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a liftable projector sequentially comprises a projector body, a clamping assembly, a supporting device and a bottom plate from top to bottom, and is characterized in that the supporting device comprises a vertical cylinder fixed at the top of the bottom plate and a vertical column fixed at the bottom of the clamping assembly, an upper circular plate and a lower circular plate are sequentially arranged in an inner cavity of the vertical cylinder from top to bottom, a strip-shaped plate is fixed between the upper circular plate and the lower circular plate, at least two nut sleeves are arranged on the outer wall of the vertical cylinder, locking screws are connected in the nut sleeves in a threaded manner, a locking plate in close contact with the outer wall of the strip-shaped plate is fixed at the end of each locking screw located in the vertical cylinder, and the bottom end of the vertical column extends into the inner cavity of the vertical cylinder and is connected with the upper circular plate; the clamping assembly comprises a supporting plate fixed to the top of the vertical column, a front end plate and a rear end plate fixed to the top of the supporting plate, a clamping plate is movably arranged between the front end plate and the rear end plate, at least two elastic devices are fixed between the rear end plate and the clamping plate, and the projector body is arranged in a containing space between the rear end plate and the clamping plate.

Preferably, in the above liftable projector, a sealing cover is fixed to the top of the vertical cylinder, and the vertical column penetrates through the sealing cover and is slidably connected with the sealing cover.

Preferably, in the above liftable projector, each corner of the bottom plate is provided with a moving wheel.

Preferably, the above-mentioned liftable projector, wherein the elastic device includes a first connecting seat fixed on the rear end plate, a horizontal tube fixed on the first connecting seat, a second connecting seat fixed on the clamping plate, and a horizontal rod fixed on the second connecting seat, a spring seat is slidably disposed in the horizontal tube, the first connecting seat is connected with the spring seat through a spring, and a free end of the horizontal rod extends into the horizontal tube and is connected with the spring seat.

Preferably, in the above liftable projector, a limiting plate is fixed to an end of the horizontal tube far away from the first connecting seat, and the horizontal rod penetrates through the limiting plate and is connected with the limiting plate in a sliding manner.

Preferably, in the above liftable projector, the number of the nut sleeves is two, and the two nut sleeves are arranged oppositely.

The technical effects of the utility model are mainly embodied in that:

(1) the locking screw is loosened, the vertical column is inserted in a drawing mode, then the locking screw is locked, and the length adjustment of the supporting device can be achieved, so that the height adjustment of the projector body is achieved, the design structure is simple, and the use is convenient;

(2) the projector body is arranged in the accommodating space between the rear end plate and the clamping plate, the elastic clamping projector body of the elastic device is adopted, and the user can finely adjust the angle and the position of the projector body.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the support device of FIG. 1;

FIG. 3 is a top view of the clamping assembly of FIG. 1;

fig. 4 is a longitudinal cross-sectional view of the elastic device of fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, together with the accompanying drawings and the embodiments of the present invention, will be made to clearly describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, 2, 3 and 4, the liftable projector sequentially comprises a projector body 1, a clamping assembly 2, a supporting device 3 and a bottom plate 4 from top to bottom, wherein a moving wheel 41 is respectively installed at each corner of the bottom plate 4 through a screw.

The supporting device 3 comprises a vertical cylinder 31 welded to the top of the bottom plate 4 and a vertical column 32 fixed to the bottom of the clamping assembly 2, an upper circular plate 33 and a lower circular plate 34 are sequentially arranged in an inner cavity of the vertical cylinder 31 from top to bottom, a strip-shaped plate 35 is welded between the upper circular plate 33 and the lower circular plate 34, two nut sleeves 36 are arranged on the outer wall of the vertical cylinder 31, and the two nut sleeves 36 are arranged oppositely. The nut sleeve 36 is connected with a locking screw 37 through an internal thread, the end of the locking screw 37 positioned in the vertical cylinder 31 is fixed with a locking plate 38 which is tightly contacted with the outer wall of the strip-shaped plate 35, and the bottom end of the vertical column 32 extends into the inner cavity of the vertical cylinder 31 and is connected with the upper circular plate 33.

Centre gripping subassembly 2 is including welding the layer board 21 at vertical post 32 top, fixing front end plate 22 and the back end plate 23 at layer board 21 top, layer board 21, front end plate 22 and back end plate 23 integrated into one piece, the activity is provided with a clamp plate 24 between front end plate 22 and the back end plate 23, back end plate 23 and step up and be fixed with a plurality of resilient means 5 between the plate 24, projecting apparatus body 1 sets up in the accommodation space between back end plate 23 and clamp plate 24.

The utility model provides a top welding of vertical section of thick bamboo 31 has a closing cap 310, and vertical post 32 passes closing cap 320 and with closing cap 320 sliding connection, and the design has prevented that vertical post 32 from rocking like this.

The technical effects of the utility model are mainly embodied in that:

(1) the locking screw 37 is loosened, the vertical column 32 is inserted in a pulling way, and then the locking screw 37 is locked, so that the length adjustment of the supporting device 3 can be realized, the height adjustment of the projector body 1 is realized, the design structure is simple, and the use is convenient;

(2) in the accommodation space of projecting apparatus body 1 setting between back end plate 23 and clamping plate 24, adopt resilient mounting 5's elasticity to press from both sides tight projecting apparatus body 1, the user can make the fine setting to projecting apparatus body 1's angle and position.

Example 2

The utility model provides an elastic device 5 includes the first connecting seat 51 of fixing on back end plate 23 through the screw, the horizontal pipe 52 of welding on first connecting seat 51, through the second connecting seat 53 of fix with screw on clamp plate 23, the horizontal rod 54 of welding on second connecting seat 53, it is provided with spring holder 55 to slide in the horizontal pipe 52, first connecting seat 51 is connected through a spring 56 with spring holder 55, the free end of horizontal rod 54 extends to in the horizontal pipe 52 and is connected with spring holder 57, design sturdy structure like this, elastic device 5's life has been prolonged.

The utility model provides a horizontal pipe 52 keeps away from the end of first connecting seat 51 and is fixed with a limiting plate 67, and horizon bar 54 passes limiting plate 67 and with limiting plate 67 sliding connection, designs like this and has prevented horizon bar 54 from rocking.

It should be noted that the utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the description of description and the record of attached drawing, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt conventional model among the prior art, and the utility model people no longer detailed here.

While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a liftable projecting apparatus, down includes projecting apparatus body, centre gripping subassembly, strutting arrangement, bottom plate, its characterized in that from last in proper order: the supporting device comprises a vertical barrel fixed at the top of the bottom plate and a vertical column fixed at the bottom of the clamping assembly, an upper circular plate and a lower circular plate are sequentially arranged in an inner cavity of the vertical barrel from top to bottom, a strip-shaped plate is fixed between the upper circular plate and the lower circular plate, at least two nut sleeves are arranged on the outer wall of the vertical barrel, locking screws are connected with the nut sleeves in an internal thread manner, locking plates which are tightly contacted with the outer walls of the strip-shaped plates are fixed at the ends of the locking screws in the vertical barrel, and the bottom end of the vertical column extends into the inner cavity of the vertical barrel and is connected with the upper circular plate; the clamping assembly comprises a supporting plate fixed to the top of the vertical column, a front end plate and a rear end plate fixed to the top of the supporting plate, a clamping plate is movably arranged between the front end plate and the rear end plate, at least two elastic devices are fixed between the rear end plate and the clamping plate, and the projector body is arranged in a containing space between the rear end plate and the clamping plate.

2. Liftable projector according to claim 1, characterized in that: a sealing cover is fixed on the top of the vertical cylinder, and the vertical column penetrates through the sealing cover and is in sliding connection with the sealing cover.

3. Liftable projector according to claim 1 or 2, characterized in that: each corner of the bottom plate is provided with a movable wheel.

4. Liftable projector according to claim 1 or 2, characterized in that: the elastic device comprises a first connecting seat fixed on the rear end plate, a horizontal pipe fixed on the first connecting seat, a second connecting seat fixed on the clamping plate, and a horizontal rod fixed on the second connecting seat, wherein a spring seat is arranged in the horizontal pipe in a sliding manner, the first connecting seat is connected with the spring seat through a spring, and the free end of the horizontal rod extends into the horizontal pipe and is connected with the spring seat.

5. Liftable projector according to claim 4, characterized in that: and a limiting plate is fixed at the end of the horizontal pipe far away from the first connecting seat, and the horizontal rod penetrates through the limiting plate and is in sliding connection with the limiting plate.

6. Liftable projector according to claim 1, characterized in that: the number of the nut sleeves is two, and the two nut sleeves are arranged oppositely.