CN206699751U

CN206699751U - A kind of hand-operated lifting dais

Info

Publication number: CN206699751U
Application number: CN201621446155.9U
Authority: CN
Inventors: 卢敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-12-27
Filing date: 2016-12-27
Publication date: 2017-12-05
Anticipated expiration: 2026-12-27

Abstract

The utility model discloses a kind of hand-operated lifting dais, including base, lowering or hoisting gear and dais, lowering or hoisting gear includes adjusting means and retractor device；Adjusting means includes first rotating shaft, the first runner, hand lever, the first belt, the second runner, the second rotating shaft, the 3rd runner, the 4th runner and the second belt, and the 4th runner is arranged on retractor device；Retractor device includes screw mandrel, screw rod bushing and mounting seat, is fixedly connected with mounting seat at the top of screw rod bushing, mounting seat passes through screw connection dais；Should hand-operated lifting dais, pass through the lowering or hoisting gear of setting, hand lever is manually rotated clockwise and anticlockwise, and by being driven layer by layer and then the 3rd runner is rotate in same direction by the 4th runner on the second belt drive both sides, two screw mandrels rotate simultaneously, rod set moves up and down, and then to the regulation of dais height, easy to operate, the speaker of suitable different heights, it is easily self-confident to speaker, enhancing speech effect.

Description

A kind of hand-operated lifting dais

Technical field

Office equipment technical field is the utility model is related to, specially a kind of hand-operated lifting dais.

Background technology

Dais is generally used for government, enterprise, school, hotel, meeting-place, universities and colleges classroom, church, public place of entertainment, ceremony company The occasion such as propaganda activity and telecine awards ceremony, generally our dais seen all are level altitude, the people of different height Using same dais, the height at many people and dais seems very uncoordinated, when the high eyesight of some heights and bad people are being drilled Say, if it were not for seeing under be placed on data on dais, it is necessary to bow and bend over, make the waist of speaker and neck very tired, height Short speaker's speech also seems unsightly, easily to make one to lose confidence, not only influence the effect of speech, more influences spectators and listens Class or the mood of report so that overall speech or report effect are undesirable.

Utility model content

The purpose of this utility model is to provide a kind of hand-operated lifting dais, possess it is Height Adjustable, make speaker light The advantages of comfortable, solve the problems, such as that dais of the prior art is unadjustable, make speaker's physical fatigue.

To achieve the above object, the utility model provides following technical scheme：A kind of hand-operated lifting dais, including base, Lowering or hoisting gear and dais, base connect dais by lowering or hoisting gear, and the lowering or hoisting gear includes adjusting means and retractor device；Institute Stating adjusting means includes first rotating shaft, the first runner, hand lever, the first belt, the second runner, the second rotating shaft, the 3rd runner, the 4th Runner and the second belt, first rotating shaft are connected by the bearing installed in the inside of the base with the base, first rotating shaft Top by the runner of screw connection first, be fixedly connected with hand lever at the top of the first runner；First runner passes through first Belt connects the second runner, and the 3rd is provided with by the rotating shaft of screw connection second, the bottom of the second rotating shaft in the bottom of the second runner Runner, the bottom of the second rotating shaft are arranged on the base by bearing；3rd runner connects the 4th by the second belt Runner, the 4th runner are arranged on retractor device；The retractor device includes screw mandrel, screw rod bushing and mounting seat, and screw mandrel passes through spiral shell Silk connects the 4th runner, and the bottom of screw mandrel is arranged on the base by bearing；The screw mandrel is connected through a screw thread silk Rod set, mounting seat is fixedly connected with the top of screw rod bushing, mounting seat passes through screw connection dais.

Preferably, the 3rd runner is double-deck runner, and the quantity of the 4th runner is two, and quantity is the 4th turn of two Wheel not in the same horizontal line, the upper strata runner of the 3rd runner and lower floor's runner respectively with two the 4th runner same horizontal lines.

Preferably, the dais drops to minimum altitude and not contacted with the second runner.

Compared with prior art, the beneficial effects of the utility model are as follows：

Should hand-operated lifting dais, by the lowering or hoisting gear of setting, manually rotate hand lever clockwise and anticlockwise, make First runner rotates, by being driven layer by layer and then the 3rd runner is turned in the same direction by the 4th runner on the second belt drive both sides Dynamic, two screw mandrels rotate simultaneously, and rod set moves up and down, and ensure that dais has good balance while dais rises, and then Reach the regulation to dais height, it is easy to operate, it is adapted to the speaker of different heights, enhancing speech easily self-confident to speaker Effect, so as to effectively solve in the prior art, dais is highly unadjustable, and the short speaker's speech fatigue of height influences to drill The problem of stressing results.

Brief description of the drawings

Fig. 1 is the structural representation at lifting dais of the present utility model.

In figure：1 base, 2 lowering or hoisting gears, 21 adjusting meanss, 211 first rotating shafts, 212 first runners, 213 hand levers, 214 One belt, 215 second runners, 216 second rotating shafts, 217 the 3rd runners, 218 the 4th runners, 219 second belts, 22 flexible dresses Put, 221 screw mandrels, 222 screw rod bushings, 223 mounting seats, 3 dais.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.

Referring to Fig. 1, a kind of hand-operated lifting dais, including base 1, lowering or hoisting gear 2 and dais 3, base 1 are used to install admittedly Determine lowering or hoisting gear 2, manual hoisting device 2 raises dais 3, makes dais 3 Height Adjustable, is adapted to the speaker of different heights to make With easily self-confident to speaker, enhancing speech effect, base 1 connects dais 3 by lowering or hoisting gear 2, and lowering or hoisting gear 2 includes adjusting Regulating device 21 and retractor device 22, simple regulation adjusting means 21 makes retractor device 22 flexible manually, and then dais 3 is high Adjustable effect is spent, easy to operate, enhancing speech effect easily self-confident to speaker；Adjusting means 21 includes first rotating shaft 211st, the first runner 212, hand lever 213, the first belt 214, the second runner 215, the second rotating shaft 216, the 3rd runner the 217, the 4th The belt 219 of runner 218 and second, first rotating shaft 211 are connected by the bearing 11 installed in the inside of base 1 with base 1, bearing 11 are arranged on first rotating shaft 211 on base 1, play a part of the stable support of installation, the top of first rotating shaft 211 passes through screw The first runner 212, screw connection maintenance easy to disassemble are connected, the top of the first runner 212 is fixedly connected with hand lever 213, passed through Hand lever 213 is rotated manually, rotates the first runner 212；First runner 212 connects the second runner 215 by the first belt 214, First runner 212 drives the second runner 215 to rotate by the first belt 214, passes through screw connection in the bottom of the second runner 215 Second rotating shaft 216, the second runner 215 rotate the second rotating shaft 216 after rotating, and the bottom of the second rotating shaft 216 is provided with the 3rd runner 217, the second rotating shaft 216, which rotates, drives the 3rd runner 217 to rotate, and the 3rd runner 217 is identical with the rotating speed of the second runner 215, the The bottom of two rotating shafts 216 is arranged on base 1 by bearing 11, and the second rotating shaft 216 is arranged on base 1 by bearing 11, is played The effect of the stable support of installation；3rd runner 217 connects the 4th runner 218 by the second belt 219, and the 3rd runner 217 passes through Second belt 219 drives the 4th runner 218 to rotate, and the 3rd runner 217 is double-deck runner, and the quantity of the 4th runner 218 is two, It is easy to the 3rd runner 217 to drive two the 4th runners 218 to rotate, ensures the balance at dais 3 when dais 3 rises, quantity is two The 4th runner 218 not in the same horizontal line, the upper strata runner of the 3rd runner 217 and lower floor's runner respectively with two the 4th turn 218 same horizontal lines are taken turns, can ensure that 217 two-part runner of the 3rd runner drives two the just by the second belt 219 Four runners 218 are rotated, and the 4th runner 218 is arranged on retractor device 22, and the 4th runner 218, which rotates, makes retractor device 22 flexible, And then 3 adjustable for height effect of dais, easy to operate, enhancing speech effect easily self-confident to speaker；Retractor device 22 Including screw mandrel 221, screw rod bushing 222 and mounting seat 223, screw mandrel 221 passes through the runner 218 of screw connection the 4th, the 4th 218 turns of runner Dynamic to rotate screw mandrel 221, the bottom of screw mandrel 221 is arranged on base 1 by bearing 11, and screw mandrel 221 is arranged on bottom by bearing 11 On seat 1, play a part of the stable support of installation；Screw mandrel 221 is connected through a screw thread screw rod bushing 222, and screw mandrel 221 rotates, in screw thread In the presence of, rod set 222 moves up and down, and the top of screw rod bushing 222 is fixedly connected with mounting seat 223, and mounting seat 223 passes through screw Dais 3 is connected, is easy to the dismounting to mounting seat 223 and dais 3, easily lowering or hoisting gear 2 can be safeguarded, under dais 3 It is preferably minimized height not contact with the second runner 215, when declining at dais 3, avoids and strike the second runner 215, be advantageous to The runner 215 of dais 3 and second is protected, hand lever 213 is 20-30cm apart from dais 3, and speaker does not have to walk operates hand lever in the past 213, it is easy to speaker to get at hand lever 213 conveniently, easily hand lever 213 is operated, hand lever 213 is less than dais 310- 20cm, speaker do not have to bend over to operate hand lever 213, facilitate speaker to operate hand lever 213, control the lifting at dais 3, reach pair The regulation of the height of dais 3, it is easy to operate, it is adapted to the speaker of different heights, enhancing speech effect easily self-confident to speaker.

This hand-operated lifting dais, hand lever 213 is manually rotated clockwise and anticlockwise, rotates the first runner 212, the One runner 212 drives the second runner 215 to rotate by the first belt 214, and the second runner 215 makes 216 turns of the second rotating shaft after rotating Dynamic, the 3rd runner 217 drives the 4th runner 218 on both sides to rotate in same direction by the second belt 219, and two screw mandrels 221 turn simultaneously Dynamic, rod set 222 moves up and down, and ensures that dais 3 has good balance while dais 3 rises, and then high to dais 3 The regulation of degree, it is easy to operate, it is adapted to the speaker of different heights, enhancing speech effect easily self-confident to speaker.

In summary：The hand-operated lifting dais, by the lowering or hoisting gear 2 of setting, manually turn clockwise and anticlockwise To start bar 213, rotate the first runner 212, the first runner 212 drives the second runner 215 to rotate by the first belt 214, the Two runners 215 rotate the second rotating shaft 216 after rotating, and the 3rd runner 217 drives the 4th runner on both sides by the second belt 219 218 rotate in same direction, and two screw mandrels 221 rotate simultaneously, and rod set 222 moves up and down, and ensure that dais 3 has while dais 3 rises Good balance, and then to the regulation of the height of dais 3, easy to operate, the speaker of suitable different heights, to speaker Easily self-confident, enhancing speech effect, so as to effectively solve in the prior art, dais 3 is highly unadjustable, and height is short to be drilled Speaker gives a lecture tired the problem of influenceing speech effect.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of hand-operated lifting dais, including base（1）, lowering or hoisting gear（2）And dais（3）, base（1）Pass through lowering or hoisting gear （2）Connect dais（3）, it is characterised in that：The lowering or hoisting gear（2）Including adjusting means（21）And retractor device（22）；It is described Adjusting means（21）Including first rotating shaft（211）, the first runner（212）, hand lever（213）, the first belt（214）, the second runner （215）, the second rotating shaft（216）, the 3rd runner（217）, the 4th runner（218）With the second belt（219）, first rotating shaft（211） By installed in the base（1）Inside bearing（11）With the base（1）Connection, first rotating shaft（211）Top lead to Cross the runner of screw connection first（212）, the first runner（212）Top be fixedly connected with hand lever（213）；First runner （212）Pass through the first belt（214）Connect the second runner（215）, in the second runner（215）Bottom pass through screw connection second Rotating shaft（216）, the second rotating shaft（216）Bottom be provided with the 3rd runner（217）, the second rotating shaft（216）Bottom pass through bearing （11）Installed in the base（1）On；3rd runner（217）Pass through the second belt（219）Connect the 4th runner（218）, 4th runner（218）It is arranged on retractor device（22）On；The retractor device（22）Including screw mandrel（221）, screw rod bushing（222）With Mounting seat（223）, screw mandrel（221）Pass through the 4th runner described in screw connection（218）, screw mandrel（221）Bottom pass through bearing （11）Installed in the base（1）On；The screw mandrel（221）It is connected through a screw thread screw rod bushing（222）, screw rod bushing（222）Top Portion is fixedly connected with mounting seat（223）, mounting seat（223）Pass through screw connection dais（3）.

A kind of 2. hand-operated lifting dais according to claim 1, it is characterised in that：3rd runner（217）For bilayer Runner, the 4th runner（218）Quantity be two, quantity is the 4th runner of two（218）Not in the same horizontal line, the 3rd Runner（217）Upper strata runner and lower floor's runner respectively with two the 4th runners（218）Same horizontal line.

A kind of 3. hand-operated lifting dais according to claim 1, it is characterised in that：The dais（3）Drop to minimum height Degree and the second runner（215）Do not contact.