CN205795268U - A kind of lowering or hoisting gear of computer display screen - Google Patents

Abstract

The utility model relates to a lifting device for a computer display screen, which has a box-type cabinet body. The bottom of the box-type cabinet body is rotated with a two-way screw rod, and a left-handed thread and a right-handed thread are arranged on the two-way screw rod; the left-handed A left-handed nut is connected to the screw thread, and a right-handed nut is connected to the right-handed thread; The right part of the lower frame is slidingly connected; the middle part of the box-type cabinet is provided with a double-layer scissor frame, and the bottom of the double-layer scissor frame is respectively hinged with the left-handed nut and the right-handed nut; the double-layer The top of the scissor frame is slidingly connected with the bottom of the supporting plate. The utility model is manually controlled, does not need a power supply, and is convenient and environmentally friendly to use; it adopts a two-way screw drive and a double-layer scissor frame structure, which can make the computer display screen rise and fall quickly.

Description

Lifting device for computer screen

technical field

The utility model relates to office furniture, in particular to a lifting device for a computer display screen.

Background technique

With the popularization of personal computers, computer desks are widely used in families and offices. Computer display screens are placed directly on the computer desktop. The area where the computer display is placed tends to accumulate dust, making it difficult to clean. Most computer display screens can only adjust the angle, but not in the height direction, making people prone to cervical spondylosis due to staring at the computer display screen for a long time.

Utility model content

The purpose of this utility model is to provide a lifting device for a computer display screen, which can adjust the height of the supporting plate by driving the double-layer scissor frame to expand and contract, and then change the height and position of the computer display screen placed on the supporting plate; When using, the computer display screen can be accommodated in the box-type cabinet, and the cover plate is placed on the box-type cabinet, saving the trouble of cleaning the desktop.

The purpose of this utility model is achieved by the following technical solutions: a lifting device for a computer display screen has a box-type cabinet, the bottom of the box-type cabinet is rotated with a two-way screw, and the two-way screw is set Left-handed thread and right-handed thread; the left-handed thread is connected with a left-handed nut, and the right-handed thread is connected with a right-handed nut; the outer side of the two-way screw rod is provided with a slide frame, and the left-handed nut slides with the left part of the slide frame connected, the right-hand nut is slidingly connected with the right part of the lower frame; the middle part of the box-type cabinet is provided with a double-layer scissor frame, and the bottom of the double-layer scissor frame is respectively connected with the left-hand nut and the The right-handed nut is hinged; the top of the double-layer scissor frame is slidably connected with the bottom of the supporting plate.

Further, the left part of the lower frame is provided with two first slide grooves, two half shafts are provided on both sides of the left-handed nut, and the two half-shafts of the left-handed nut are installed on the two first In the chute; the right part of the lower frame is provided with two second chute, the two sides of the right-handed nut are provided with two half-shafts, and the two half-shafts of the right-handed nut are installed on the two in the second chute.

Further, the middle part of the double-layer scissor frame is provided with a middle carriage, and the middle carriage is provided with a third chute and a fourth chute, and the hinge shafts in the middle part of the double-layer scissor frame are installed on the Inside the third chute and the fourth chute.

Further, the bottom of the pallet is provided with an upper carriage, and the upper carriage is provided with a fifth chute and a sixth chute, and the top of the double-layer scissor frame is respectively connected to the fifth chute through a pin shaft The chute is connected with the sixth chute.

Further, the two-way screw is installed with the box-type cabinet through two bushings.

Further, a crank is provided at one end of the two-way screw.

Compared with the prior art, the utility model has the following advantages:

1. The utility model adopts manual operation to realize the lifting of the pallet, without power supply, convenient and environmentally friendly, and is especially suitable for use as a computer desk for home and office.

2. The utility model adopts the structure of double-layer scissor frame driven by two-way screw rod, which doubles the lifting speed of the computer display screen.

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail.

Description of drawings

Fig. 1 is the structural representation of the utility model.

detailed description

Referring to Fig. 1, the lifting device of a kind of computer display screen of the present utility model has a box-type cabinet body 14, and the bottom of described box-type cabinet body is rotated and is provided with two-way screw rod 5, and left-handed screw thread and right-handed screw rod are set on the described two-way screw rod. Helical thread; the left-handed thread is connected with a left-handed nut 7, and the right-handed thread is connected with a right-handed nut 3; the outer side of the two-way screw rod is provided with a slide frame 8, and the left-handed nut is slidably connected with the left part of the slide frame , the right-handed nut is slidingly connected with the right part of the lower frame; the middle part of the box-type cabinet is provided with a double-layer scissor frame 6, and the bottom of the double-layer scissor frame is respectively connected with the left-handed nut and the The right-handed nut is hinged; the top of the double-layer scissor frame is slidably connected with the bottom of the supporting plate 13.

In this embodiment, the box-type cabinet body 14 includes a front side panel, a rear side panel, a left side panel, a right side panel and a bottom panel. In order to clearly show the structure in the box-type cabinet body, the front side panel is omitted in FIG. 1 . The two-way screw 5 is installed with the box-type cabinet body through two bushings 2, and the bushings are fixed on the left side panel and the right side panel of the box-type cabinet body by screws. The bushings are processed with wear-resistant materials, which can slow down Wear on the reciprocating screw. The left part of the two-way screw is provided with a left-handed thread, and the right part of the two-way screw is provided with a right-handed thread.

In this embodiment, the double-layer scissor frame 6 is formed by hinged joints of four inner scissor plates and four outer scissor plates. Hinged, the structure of double-deck scissor frame is identical with prior art, does not describe in detail here.

In this embodiment, the left part of the lower frame 8 is provided with two first sliding grooves 16, two half shafts are provided on both sides of the left-handed nut, and the two half-shafts of the left-handed nut are installed on the In the two first chute; the right part of the slide frame is provided with two second chute, the second chute and the first chute are symmetrically arranged, and the two sides of the right-handed nut are provided with two half Shaft 4, the two half shafts of the right-handed nut are installed in the two second sliding slots. When the two-way screw is turned, the left-handed nut and the right-handed nut move along the two-way screw synchronously.

In this embodiment, the middle part of the double-layer scissor frame is provided with a middle carriage 9, and the middle carriage is provided with a third chute and a fourth chute, and the hinge in the middle part of the double-layer scissor The shaft 10 is respectively installed in the third chute and the fourth chute. The middle slide frame can make the structure of the double-layer scissor frame more stable and run more smoothly.

In this embodiment, the bottom of the pallet is provided with an upper carriage 11, the upper carriage is provided with a fifth chute and a sixth chute, and the top of the double-layer scissor frame is respectively It is connected with the fifth chute and the sixth chute.

In this embodiment, the structures of the middle carriage, the upper carriage and the lower carriage are basically the same.

Further, a crank handle 1 is provided at one end of the two-way screw. The computer display is placed on the pallet.

In this embodiment, turning the crank handle clockwise drives the two-way screw to rotate clockwise, the right-handed nut and the left-handed nut move to the center synchronously, the double-layer scissor frame extends upward, and the supporting plate rises together with the computer display screen. Turning the handle counterclockwise drives the two-way screw to rotate counterclockwise, the right-handed nut and the left-handed nut move to both ends synchronously, the double-layer scissor frame shrinks downward, and the supporting plate and the computer display screen descend. Realize the adjustment of the computer display screen in the height direction. The computer display screen can also be accommodated in a box-type cabinet to prevent dust from affecting the computer display screen. Then place a cover plate on the box-type cabinet as the desktop, saving the trouble of cleaning the desktop.

Claims (6)

1. a lowering or hoisting gear for computer display screen, has a box cabinet, it is characterised in that: the bottom of described box cabinet turns Move and be provided with reverse-flighted screw, described reverse-flighted screw arranges left hand thread and right-handed thread；Left-handed spiral shell is connected in described left hand thread Mother, described right-handed thread connects right-handed nut；The outside of described reverse-flighted screw arranges lower slider, and described left-handed nut is with described The left part of lower slider is slidably connected, and described right-handed nut is slidably connected with the right part of described lower slider；In described box cabinet Portion arranges Double shears crotch, and the bottom of described Double shears crotch is hinged with described left-handed nut and described right-handed nut respectively；Institute The basal sliding at the top and supporting plate of stating Double shears crotch is connected.

Lowering or hoisting gear the most according to claim 1, it is characterised in that: the left part of described lower slider is provided with two first cunnings Groove, the both sides of described left-handed nut are provided with two semiaxis, and it is sliding that two semiaxis of described left-handed nut are arranged on said two first In groove；The right part of described lower slider is provided with two the second chutes, and the both sides of described right-handed nut are provided with two semiaxis, described dextrorotation Two semiaxis of nut are arranged in said two the second chute.

Lowering or hoisting gear the most according to claim 2, it is characterised in that: the middle part of described Double shears crotch is provided with middle balladeur train, Described middle balladeur train is provided with the 3rd chute and the 4th chute, and the hinge in the middle part of described Double shears crotch is separately mounted to the described 3rd In chute and described 4th chute.

Lowering or hoisting gear the most according to claim 3, it is characterised in that: the bottom of described supporting plate is provided with carriage, described on Balladeur train is provided with the 5th chute and the 6th chute, described Double shears crotch top by bearing pin respectively with described 5th chute and institute State the 6th chute to connect.

Lowering or hoisting gear the most according to claim 4, it is characterised in that: described reverse-flighted screw is by two axle sleeves and described case Formula cabinet is installed.

Lowering or hoisting gear the most according to claim 5, it is characterised in that: one end of described reverse-flighted screw is provided with crank.