CN219510543U

CN219510543U - Liftable floor stand

Info

Publication number: CN219510543U
Application number: CN202320712286.0U
Authority: CN
Inventors: 刘全宇; 肖建武; 张泽; 张修涛; 巫飞武
Original assignee: Hunan Jingcheng Exhibition Engineering Co ltd
Current assignee: Hunan Jingcheng Exhibition Engineering Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-08-11
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a lifting floor stand in the field of projection auxiliary equipment, which comprises a first casing, a bottom plate and a supporting table, wherein the bottom plate is positioned below the bottom of the first casing, the supporting table is positioned above the top of the first casing, a rotating shaft is rotationally connected in the middle of the top of an inner cavity of the first casing, a first bevel gear is sleeved on the outer side wall of the rotating shaft, a fixed block is fixedly connected to the bottom end of the rotating shaft, a screw is fixedly connected in the middle of the bottom of the fixed block, a through hole is formed in the middle of the upper side of the right side wall of the first casing, a supporting rod is rotationally connected in the inner cavity of the through hole, the lifting floor stand is convenient to lift and adjust, the distance between the floor stand and a curtain is not required to be prolonged, the projection equipment is convenient to fix, the projection equipment is not easy to slide, and the use efficiency of the floor stand is improved.

Description

Liftable floor stand

Technical Field

The utility model relates to the technical field of projection auxiliary equipment, in particular to a lifting floor stand.

Background

With the continuous improvement of the economy of China and the increasing of the living standard of people, a home theater consisting of projection equipment and sound equipment can be seen in daily life, and the projection equipment needs to be supported by a floor stand, namely a stand which contacts the ground.

At present, in the use of stand, because current stand structure is fixed, be inconvenient for the lift and adjust to lead to the high singleness of projection equipment on the stand, need lengthen the distance between stand and the curtain and just can adjust projection equipment's height, be inconvenient for use, current projection equipment simple structure is inconvenient to fix projection equipment simultaneously, leads to projection equipment easily landing, has reduced the availability factor of stand, for this we provide a liftable stand.

Disclosure of Invention

The utility model aims to provide a lifting floor stand, which aims to solve the problems that in the prior art, the existing floor stand is fixed in structure and inconvenient to lift and adjust, so that the height of projection equipment on the floor stand is single, the height of the projection equipment can be adjusted only by lengthening the distance between the floor stand and a curtain, the use is inconvenient, and meanwhile, the existing projection equipment is simple in structure and inconvenient to fix, and the projection equipment is easy to slide.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a liftable floor stand, includes first sleeve shell, bottom plate and brace table, the bottom plate is located the bottom below of first sleeve shell, the brace table is located the top of first sleeve shell, the inner chamber top intermediate rotation of first sleeve shell is connected with the pivot, first conical gear has been cup jointed to the lateral wall of pivot, the bottom fixedly connected with fixed block of pivot, fixedly connected with screw rod in the middle of the bottom of fixed block, open in the middle of the right side wall upside of first sleeve shell has the through-hole, the inner chamber rotation of through-hole is connected with branch, the left end fixedly connected with second conical gear of branch, just the second conical gear with first conical gear meshing is connected, the intermediate fixedly connected with second sleeve shell in the top of bottom plate, just second sliding connection is in the inner chamber of first sleeve shell, fixedly connected with between the inside wall upside of second sleeve shell, just threaded connection is in the lateral wall of screw rod, open in the middle of the inner chamber bottom of brace table has the spout, the left end fixedly connected with second conical gear, and the right side wall of screw rod is connected with the side wall of screw rod, the two-way sliding connection has the spout, the two-way sliding connection has the screw rod to the side wall in the middle of the inner chamber.

As a further description of the above technical solution:

the bottom fixedly connected with stopper of screw rod, the stopper adopts aluminum alloy material to make.

As a further description of the above technical solution:

the right-hand member fixedly connected with carousel of branch, fixedly connected with handle in the middle of the right side wall upside of carousel.

As a further description of the above technical solution:

the left side and the right side of the bottom plate are fixedly connected with cushion blocks, and the bottom of each cushion block is fixedly connected with an anti-slip pad.

As a further description of the above technical solution:

the bottom fixedly connected with fixing base of brace table, just fixing base fixed connection is in the top of first cover shell.

As a further description of the above technical solution:

the inside wall fixedly connected with protection pad of clamp splice, the protection pad adopts the silica gel material to make.

Compared with the prior art, the utility model has the beneficial effects that:

1. this liftable floor stand drives branch through the handle cooperation carousel that is equipped with and rotates, drives first bevel gear through branch cooperation second bevel gear simultaneously and rotates, orders about pivot cooperation fixed block and drives the screw rod and rotate, simultaneously through the rotation mutual restriction of first cover shell and second cover shell for the screw rod rotates in-process cooperation locating piece and drives first cover shell and reciprocate, makes floor stand be convenient for rise and fall to adjust, need not to lengthen the distance between floor stand and the curtain and adjusts projection equipment's height, convenient to use.

2. This liftable floor stand supports spacingly through the supporting bench that is equipped with to projection equipment, then rotates through two-way lead screw, drives the slider and drives the clamp splice and carry out relative movement to drive clamp splice cooperation protection pad to carry out the centre gripping to projection equipment, make the floor stand be convenient for fix projection equipment, make projection equipment be difficult for the landing, improved the availability factor of floor stand.

Drawings

Fig. 1 is a schematic perspective view of a lifting floor stand according to the present utility model;

fig. 2 is a schematic front view of a lifting floor stand according to the present utility model;

FIG. 3 is a schematic diagram of a sectional front view of a liftable floor stand according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of the lifting floor stand shown in fig. 3 at a.

In the figure: 100. a first casing; 110. a rotating shaft; 120. a first bevel gear; 130. a fixed block; 140. a screw; 150. a limiting block; 160. a through hole; 170. a support rod; 180. a second bevel gear; 190. a turntable; 191. a handle; 200. a bottom plate; 210. a cushion block; 220. an anti-slip pad; 230. a second casing; 240. a positioning block; 300. a support table; 310. a fixing seat; 320. a chute; 330. a two-way screw rod; 340. a slide block; 350. clamping blocks; 360. and a protective pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model provides a lifting floor stand, which is convenient for lifting and adjusting and fixing projection equipment, referring to fig. 1-4, and comprises a first casing 100, a bottom plate 200 and a supporting table 300;

referring to fig. 1-4 again, a rotating shaft 110 is rotatably connected in the middle of the top of the inner cavity of the first casing 100, the rotating shaft 110 is used for supporting the first conical gear 120, the outer side wall of the rotating shaft 110 is sleeved with the first conical gear 120, the first conical gear 120 is used for driving the rotating shaft 110 to rotate under force, a fixed block 130 is fixedly connected to the bottom end of the rotating shaft 110, the fixed block 130 is used for supporting the screw 140, the screw 140 is fixedly connected in the middle of the bottom of the fixed block 130, the screw 140 is used for driving the first casing 100 to move up and down through a force matching positioning block 240, a through hole 160 is formed in the middle of the upper side of the right side wall of the first casing 100, the through hole 160 is used for providing convenience for installation of the support rod 170, the inner cavity of the through hole 160 is rotatably connected with the support rod 170, the left end of the support rod 170 is fixedly connected with a second conical gear 180, the second conical gear 180 is meshed with the first conical gear 120, the support rod 170 is used for driving the first conical gear 120 to rotate through force matching the second conical gear 180, and the first casing 100 is used for supporting the support table 300;

referring to fig. 1 to 4 again, a second casing 230 is fixedly connected to the middle of the top of the base plate 200, the second casing 230 is slidably connected to the inner cavity of the first casing 100, a positioning block 240 is fixedly connected between the upper sides of the inner side walls of the second casing 230, the positioning block 240 is in threaded connection with the outer side walls of the screw 140, the second casing 230 is used for supporting the first casing 100 by matching with the positioning block 240 and the screw 140, the base plate 200 is located below the bottom of the first casing 100, and the base plate 200 is used for supporting the first casing 100 and the supporting table 300;

referring to fig. 1-4 again, a sliding groove 320 is formed in the middle of the bottom of the inner cavity of the supporting platform 300, the sliding groove 320 is used for limiting the sliding block 340, a bidirectional screw rod 330 is rotatably connected in the middle of the left side wall of the inner cavity of the sliding groove 320, the bidirectional screw rod 330 penetrates through the middle of the right side wall of the inner cavity of the sliding groove 320 and extends to the right side of the supporting platform 300, the bidirectional screw rod 330 is used for being forced to cooperate with the sliding groove 320 to drive the sliding block 340 to move relatively, the sliding block 340 is connected to the outer side wall of the bidirectional screw rod 330 in a threaded manner, the sliding block 340 is slidably connected to the inner cavity of the sliding groove 320, the sliding block 340 is used for supporting the clamping block 350, the top of the sliding block 340 is fixedly connected with the clamping block 350, the clamping block 350 is used for clamping and fixing projection equipment, the supporting platform 300 is located above the top of the first casing 100, and the supporting platform 300 is used for supporting the projection equipment.

In summary, the supporting table 300 is provided to support and limit the projection device, and then the bidirectional screw rod 330 rotates to drive the slide block 340 to drive the clamping block 350 to move relatively, and drive the clamping block 350 to cooperate with the protection pad 360 to clamp the projection device, so that the floor stand is convenient for fixing the projection device, the projection device is not easy to slide off, and the use efficiency of the floor stand is improved.

Referring to fig. 1-4 again, the bottom end of the screw 140 is fixedly connected with a limiting block 150, the limiting block 150 is made of an aluminum alloy material, and the limiting block 150 made of the aluminum alloy material has high strength and corrosion resistance.

Referring to fig. 1-4 again, the right end of the supporting rod 170 is fixedly connected with a turntable 190, a handle 191 is fixedly connected in the middle of the upper side of the right side wall of the turntable 190, and the convenience of the rotation of the supporting rod 170 is improved by matching the handle 191 with the turntable 190.

Referring to fig. 1-4 again, the bottom left and right sides of the bottom plate 200 are fixedly connected with a cushion block 210, the bottom of the cushion block 210 is fixedly connected with an anti-slip pad 220, and the anti-slip performance of the floor stand is increased by matching the cushion block 210 with the anti-slip pad 220.

Referring to fig. 1-4 again, a fixing base 310 is fixedly connected to the bottom of the supporting platform 300, and the fixing base 310 is fixedly connected to the top of the first casing 100, so that the supporting platform 300 can be supported by matching with the first casing 100 through the fixing base 310.

Referring to fig. 1-4 again, the inner side wall of the clamping block 350 is fixedly connected with a protection pad 360, the protection pad 360 is made of a silica gel material, and the protection pad 360 made of the silica gel material can protect the projection device.

In summary, the handle 191 cooperates with the turntable 190 to drive the supporting rod 170 to rotate, meanwhile, the supporting rod 170 cooperates with the second bevel gear 180 to drive the first bevel gear 120 to rotate, the rotating shaft 110 cooperates with the fixed block 130 to drive the screw 140 to rotate, and meanwhile, the screw 140 and the second sleeve 230 are mutually limited in rotation, so that the screw 140 cooperates with the positioning block 240 to drive the first sleeve 100 to move up and down in the rotation process, the floor stand is convenient to lift and adjust, the distance between the floor stand and the curtain is not required to be lengthened, and the height of the projection equipment is adjusted, so that the projection equipment is convenient to use.

When the projection device is specifically used, a person skilled in the art firstly manually places the projection device in the supporting table 300, then manually rotates the bidirectional screw rod 330, the bidirectional screw rod 330 is forced to cooperate with the sliding groove 320 to drive the sliding block 340 to drive the clamping block 350 to clamp and fix the projection device, then holds the handle 191 and rotates the rotary table 190, drives the supporting rod 170 to be forced to drive the second bevel gear 180 to rotate, the second bevel gear 180 cooperates with the first bevel gear 120 to drive the rotary shaft 110 to rotate, and simultaneously the fixed block 130 is forced to drive the screw rod 140 to rotate, and cooperates with the mutual limitation rotation of the first casing 100 and the second casing 230 to drive the screw rod 140 to cooperate with the positioning block 240 to drive the first casing 100 to move upwards until the projection device on the supporting table 300 moves to a specified height.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A liftable floor stand which is characterized in that: the novel sliding type screw positioning device comprises a first casing (100), a bottom plate (200) and a supporting table (300), wherein the bottom plate (200) is positioned below the bottom of the first casing (100), the supporting table (300) is positioned above the top of the first casing (100), a rotating shaft (110) is rotatably connected in the middle of the top of an inner cavity of the first casing (100), a first conical gear (120) is sleeved on the outer side wall of the rotating shaft (110), a fixed block (130) is fixedly connected with the bottom end of the rotating shaft (110), a screw (140) is fixedly connected in the middle of the bottom of the fixed block (130), a through hole (160) is formed in the middle of the upper side of the right side wall of the first casing (100), a supporting rod (170) is rotatably connected in an inner cavity of the through hole (160), a second conical gear (180) is fixedly connected to the left end of the supporting rod (170), a second conical gear (230) is fixedly connected in the middle of the top of the bottom plate (110), a second casing (230) is fixedly connected in the middle of the top of the rotating shaft (110), a positioning block (230) is fixedly connected with the inner side wall (240) of the first casing (240) in a sliding mode, the novel sliding support is characterized in that a sliding groove (320) is formed in the middle of the bottom of an inner cavity of the supporting table (300), a bidirectional screw rod (330) is connected in the middle of the left side wall of the inner cavity of the sliding groove (320), the bidirectional screw rod (330) penetrates through the middle of the right side wall of the inner cavity of the sliding groove (320) and extends to the right side of the supporting table (300), a sliding block (340) is connected to the outer side wall of the bidirectional screw rod (330) in a threaded mode, the sliding block (340) is connected to the inner cavity of the sliding groove (320) in a sliding mode, and a clamping block (350) is fixedly connected to the top of the sliding block (340).

2. A liftable floor stand according to claim 1, characterized in that: the bottom end of the screw rod (140) is fixedly connected with a limiting block (150), and the limiting block (150) is made of an aluminum alloy material.

3. A liftable floor stand according to claim 1, characterized in that: the right-hand member fixedly connected with carousel (190) of branch (170), the middle handle (191) that is connected with of right side wall upside of carousel (190) is fixed.

4. A liftable floor stand according to claim 1, characterized in that: cushion blocks (210) are fixedly connected to the left side and the right side of the bottom plate (200), and anti-slip pads (220) are fixedly connected to the bottom of the cushion blocks (210).

5. A liftable floor stand according to claim 1, characterized in that: the bottom of the supporting table (300) is fixedly connected with a fixing seat (310), and the fixing seat (310) is fixedly connected to the top of the first casing (100).

6. A liftable floor stand according to claim 1, characterized in that: the inner side wall of the clamping block (350) is fixedly connected with a protection pad (360), and the protection pad (360) is made of a silica gel material.