CN220423630U - Demonstration device for technical alternating current - Google Patents

Abstract

The utility model relates to the technical field of demonstration devices, and discloses a demonstration device for technical alternating current, which comprises an electric telescopic rod and a demonstration table, wherein the demonstration table is fixedly connected to the output end of the electric telescopic rod, an adjusting component is arranged on the outer wall of the demonstration table, a limiting component is arranged on the outer wall of the demonstration table, and the adjusting component consists of an expanding unit and a resetting unit. This demonstration device for alternating current of technique through setting up gear, rack, connecting rod, fly leaf and spring, when needs expand, removes the fly leaf for the connecting rod drives the rack and removes, and two fly leaves are in the coplanar relatively this moment, and high near with the top of show stand, therefore when placing the show article at the top of fly leaf, has good stability, through setting up fly leaf and draw-in groove, after accomplishing the removal to the fly leaf, through rotatory fly leaf for the inside of draw-in groove is gone into to the fly leaf card, can accomplish the spacing to the fly leaf.

Description

Demonstration device for technical alternating current

Technical Field

The utility model relates to the technical field of demonstration devices, in particular to a demonstration device for technical alternating current.

Background

The demonstration table is also called a physical demonstration table, technical products are usually placed on the demonstration table for demonstration, and the demonstration table is used for placing and demonstrating the products when new products are promoted in communities in general to rural areas. But general demonstration table in the present market can't height-adjusting when using, leads to some spectators to influence the user and uses because the too high technical product of seeing of desk, and traditional demonstration table is because the position that the demonstration table can put is too little when using, leads to once to need show unable putting when too much product, influences the problem that the user used.

In operation, when the height of the demonstration table needs to be adjusted, the handle is held to rotate at first, the screw rod starts to rotate, a first thread is arranged in the first fixed block, a second thread is arranged in the second fixed block, the first thread and the second thread are opposite threads, the screw rod rotates to drive the first fixed block and the second fixed block to move towards the middle part of the screw rod, then two support rods arranged at the top are driven to move so as to jack up the clamping block to move upwards, and then the demonstration table fixedly arranged at the top is driven to rise; when demonstration table area is not practical enough, through rotating the adjusting knob, thereby drive the circular gear rotation subsequently and make first expansion plate and second expansion plate to the opposite direction removal to thereby slide the both sides to demonstration table and thereby improve the area of putting of mesa, can make the slider inside slip through the spout of first expansion plate and the inside spout of seting up of second expansion plate, can be more stable when removing through the spout.

The display device in above-mentioned application is when expanding the show area, needs to expand the expansion plate, but the telescopic link is located circular gear's top and bottom, consequently when the expansion plate was expanded, the position of expansion plate was in parallel state, can't guarantee the level and smooth of show stand, therefore had certain limitation.

Disclosure of Invention

The utility model aims to provide a technical alternating current demonstration device so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a technical alternating current is with presentation device, includes electric telescopic handle and show stand, show stand fixed connection is in electric telescopic handle's output, adjusting part is installed to the outer wall of show stand, spacing subassembly is installed to the outer wall of show stand.

The adjusting component consists of an expansion unit and a resetting unit, wherein the expansion unit is positioned in the display stand, and the resetting unit is positioned in the display stand.

The limiting assembly comprises a round rod and a movable rod, the round rod is fixedly connected to the outer wall of the display stand, the movable rod is mounted on the outer wall of the round rod, and a clamping groove is formed in the movable plate.

Preferably, the expansion unit comprises a gear, a rack, a connecting rod and a movable plate, wherein the gear is arranged in the display stand, the rack is arranged on the outer wall of the gear, the connecting rod is fixedly connected to the top of the rack, and the movable plate is arranged on the top of the display stand.

Preferably, the slide rail has been seted up at the inside top of show stand, gear and rack engagement, when the rack removed, can drive the gear and rotate, the outer wall of connecting rod and the inner wall sliding connection of slide rail, the top of connecting rod runs through the slide rail to with the bottom fixed connection of fly leaf, the bottom of fly leaf and the top sliding connection of show stand, the fly leaf can drive the rack through the connecting rod at the top of show stand and remove, the draw-in groove has been seted up to the inside of fly leaf.

Preferably, the reset unit comprises a shell, a spring and a limiting plate, wherein the shell is fixedly connected to the inside of the display stand, the spring is installed in the shell, and the limiting plate is installed in the shell.

Preferably, one end of the rack extends to the inside of the shell, the outer wall of the rack is in sliding connection with the inner wall of the shell, one side of the spring is fixedly connected with the outer wall of the limiting plate, the outer wall of the limiting plate is in sliding connection with the inner wall of the shell, the outer wall of the limiting plate is fixedly connected with one end of the rack, and the rack can drive the limiting plate to move in the inside of the shell.

Preferably, the outer wall of round bar and movable rod drive the inner wall and rotate to be connected, and the movable rod can rotate at the outer wall of round bar, movable rod and draw-in groove joint, with the inside of movable rod card income draw-in groove, can accomplish the spacing to the fly leaf.

The utility model provides a technical alternating current demonstration device, which has the following beneficial effects:

1. this technique is presentation device for alternating current through setting up gear, rack, connecting rod, fly leaf and spring, when needs expand, removes the fly leaf for the connecting rod drives the rack and removes, and two fly leaves are in the coplanar relatively this moment, and just highly similar with the top of show stand, therefore when placing the show article at the top of fly leaf, has good stability.

2. This technique is presentation device for alternating current through setting up movable rod and draw-in groove, accomplishes the removal back to the fly leaf, through rotatory movable rod for the inside of draw-in groove is gone into to the movable rod card, can accomplish the spacing to the fly leaf, avoids the fly leaf to appear in the condition that resets under the effect of spring.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the internal structure of the display stand according to the present utility model;

FIG. 3 is a schematic front view of the internal structure of the display stand according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of the limiting assembly of the present utility model.

In the figure: 1. an electric telescopic rod; 2. a display stand; 3. an adjustment assembly; 301. a gear; 302. a rack; 303. a connecting rod; 304. a movable plate; 305. a housing; 306. a spring; 307. a limiting plate; 4. a limit component; 401. a round bar; 402. a movable rod; 403. a clamping groove.

Detailed Description

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a technical alternating current is with presentation device, includes electric telescopic handle 1 and show stand 2, and show stand 2 fixed connection has seted up the slide rail in the output of electric telescopic handle 1 in the inside top of show stand 2, and adjusting part 3 is installed to the outer wall of show stand 2, and adjusting part 3 comprises expansion unit and unit that resets, and expansion unit is located the inside of show stand 2, and the unit that resets is located the inside of show stand 2, and spacing subassembly 4 is installed to the outer wall of show stand 2.

The expansion unit includes gear 301, rack 302, connecting rod 303 and fly leaf 304, gear 301 installs in the inside of show stand 2, rack 302 installs in gear 301's outer wall, gear 301 and rack 302 meshing, when rack 302 removes, can drive gear 301 and rotate, connecting rod 303 fixed connection is in rack 302's top, connecting rod 303's outer wall and slide rail's inner wall sliding connection, fly leaf 304 installs in show stand 2's top, the top of connecting rod 303 runs through the slide rail to with fly leaf 304's bottom fixed connection, fly leaf 304's bottom and show stand 2's top sliding connection, fly leaf 304 can drive rack 302 through connecting rod 303 at show stand 2's top and remove.

The reset unit comprises a shell 305, a spring 306 and a limiting plate 307, wherein the shell 305 is fixedly connected to the inside of the display stand 2, one end of a rack 302 extends to the inside of the shell 305, the outer wall of the rack 302 is slidably connected with the inner wall of the shell 305, the spring 306 is arranged in the shell 305, the limiting plate 307 is arranged in the shell 305, one side of the spring 306 is fixedly connected with the outer wall of the limiting plate 307, the outer wall of the limiting plate 307 is slidably connected with the inner wall of the shell 305, the outer wall of the limiting plate 307 is fixedly connected with one end of the rack 302, and the rack 302 can drive the limiting plate 307 to move in the shell 305.

Through setting up gear 301, rack 302, connecting rod 303, fly leaf 304 and spring 306, when needs expand, remove fly leaf 304 for connecting rod 303 drives rack 302 and removes, and two fly leaves 304 are relative to slide this moment, and two fly leaves 304 are in the coplanar, and highly similar with the top of show stand 2, therefore when placing the show article at the top of fly leaf 304, have good stability.

The limiting assembly 4 comprises a round rod 401 and a movable rod 402, the round rod 401 is fixedly connected to the outer wall of the display stand 2, the movable rod 402 is mounted on the outer wall of the round rod 401, the outer wall of the round rod 401 and the movable rod 402 drive the inner wall to rotate, the movable rod 402 can rotate on the outer wall of the round rod 401, a clamping groove 403 is formed in the movable plate 304, the movable rod 402 is clamped with the clamping groove 403, the movable rod 402 is clamped into the clamping groove 403, and limiting of the movable plate 304 can be completed.

Through setting up movable rod 402 and draw-in groove 403, after accomplishing the removal to movable plate 304, through rotatory movable rod 402 for movable rod 402 card goes into the inside of draw-in groove 403, can accomplish the spacing to movable plate 304, avoids movable plate 304 to appear under the effect of spring 306 the condition that resets.

When the movable plate 304 is moved by an operator in a sliding manner, the movable plate 304 drives the rack 302 to move through the connecting rod 303, the gear 301 is driven to rotate when the rack 302 moves, at the moment, the gear 301 drives the other rack 302 to move, the other movable plate 304 moves, when the rack 302 moves, the spring 306 is pulled through the limiting plate 307, after the movable plate 304 is adjusted, the movable rod 402 is rotated, and the movable rod 402 is clamped into the clamping groove 403, so that the expansion of the device is completed.

Claims (6)

1. The utility model provides a demonstration device for technical alternating current, includes electric telescopic handle (1) and show stand (2), show stand (2) fixed connection is in the output of electric telescopic handle (1), its characterized in that: an adjusting component (3) is arranged on the outer wall of the display table (2), and a limiting component (4) is arranged on the outer wall of the display table (2);

the adjusting component (3) consists of an expanding unit and a resetting unit, wherein the expanding unit is positioned in the display stand (2), and the resetting unit is positioned in the display stand (2);

the limiting assembly (4) comprises a round rod (401) and a movable rod (402), the round rod (401) is fixedly connected to the outer wall of the display stand (2), and the movable rod (402) is mounted on the outer wall of the round rod (401).

2. The demonstration device for technical alternating current according to claim 1, wherein: the expansion unit comprises a gear (301), a rack (302), a connecting rod (303) and a movable plate (304), wherein the gear (301) is arranged in the display stand (2), the rack (302) is arranged on the outer wall of the gear (301), the connecting rod (303) is fixedly connected to the top of the rack (302), and the movable plate (304) is arranged on the top of the display stand (2).

3. The demonstration device for technical alternating current according to claim 2, wherein: slide rail has been seted up at inside top of show stand (2), gear (301) and rack (302) meshing, the outer wall of connecting rod (303) and the inner wall sliding connection of slide rail, the top of connecting rod (303) runs through the slide rail to with the bottom fixed connection of fly leaf (304), the bottom of fly leaf (304) and the top sliding connection of show stand (2), draw-in groove (403) have been seted up to the inside of fly leaf (304).

4. The demonstration device for technical alternating current according to claim 2, wherein: the reset unit comprises a shell (305), a spring (306) and a limiting plate (307), wherein the shell (305) is fixedly connected to the inside of the display stand (2), the spring (306) is installed in the shell (305), and the limiting plate (307) is installed in the shell (305).

5. The demonstration device for technical alternating current according to claim 4, wherein: one end of rack (302) extends to the inside of shell (305), the outer wall of rack (302) and the inner wall sliding connection of shell (305), one side of spring (306) and the outer wall fixed connection of limiting plate (307), the outer wall of limiting plate (307) and the inner wall sliding connection of shell (305), the outer wall of limiting plate (307) and the one end fixed connection of rack (302), rack (302) can drive limiting plate (307) and remove in the inside of shell (305).

6. The demonstration device for technical alternating current according to claim 5, wherein: the outer wall of the round rod (401) is connected with the inner wall of the movable rod (402) in a driving mode, and the movable rod (402) is clamped with the clamping groove (403).