CN2124225U

CN2124225U - Improved contrarotation preventing structure for hand hoister

Info

Publication number: CN2124225U
Application number: CN 92206603
Authority: CN
Inventors: 庄清宝; 林荣泰
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-04-07
Filing date: 1992-04-07
Publication date: 1992-12-09

Abstract

The utility model relates to an improved contrarotation preventing structure for a hand hoister, which is mainly composed by the combination that a driving member and a rope rolling wheel are arranged in a positioning seat and a crank handle is sheathed outside a driving shaft. The utility model is characterized in that a transmission shaft provided with a worm wheel and the rope rolling wheel is arranged on the proper azimuths of two corresponding L-shaped positioning seats; simultaneously, the lower end of the worm wheel is provided with a worm screw between the two L-shaped positioning seats; the crank handle is sheathed on the positioning segment of the worm screw which extends outside the L-shaped positioning seat. The power driving in the hoister is utilized for providing the up-and-down movement of a sunshade sailcloth; the operation is labor-saving, the contrarotation of the hoister can be prevented, and the long lifetime of the driving assembly can also be prolonged.

Description

Improved contrarotation preventing structure for hand hoister

The utility model system provides a kind of anti-structure-improved that reverses of shaking hoist, especially refer to that a kind of hoist of providing the sunshade of high low type canvas to do lifting of aiming at is in INT COMP and simplifies group and establish, and can be with bigger extraneous elevator load, and when sunshade canvas descending operation, have the elevator of the preventing transmission component situation that takes a turn for the worse, having concurrently simultaneously can be more laborsaving in the lifting of operation sunshade canvas.

Press, take a broad view of the farm house that general various family dependants support livestock or poultry, for the overheated solar radiation that prevents summer is raised animals or fowl poultry in farm house, with the blast in the typhoon season, heavy rain attacks farm house and goes into, and the severe cold temperature during season in winter is directly invaded in the farm house, so that animals or other poultry that the family dependant is supported, domestic animal damages, therefore, the dealer all can be installed additional with the sunshade canvas in the vent window outside of the foster farm house of family dependant, and the lifting of this kind sunshade canvas is controlled, so far in respect of the hoist that adopts with electronic mode elevator operation, and the hoist of manual mode elevator operation, and be used as better structure and operate the effect improvement at the hoist of manual type in this utility model system.General manual type hoist structure (is asked for an interview Fig. 4, Fig. 5) mainly tie up to shaped as frame positioning seat 1 interior lower end and stride tool with transmission shaft 21, sheathed for the location on transmission shaft 21 with driving gear 2, these transmission shaft 21 1 ends are for being stretched on shaped as frame positioning seat 1 outside, this is stretched on 21 outer of transmission shafts can be inserted in compression spring 22, continuing in compression spring 22 outsides is that tackling is with side cover 23, simultaneously, then locate in transmission shaft 21 rear sides and to set firmly with wind 24, also stride on shaped as frame positioning seat 1 in-to-in top in addition and establish with fulcrum 31, on fulcrum 31, reach place, corresponding driving gear 2 orientation for being slidingly connected with driven gear 3, and be close to the orientation for being inserted in rope reels 32 at driven gear 3, then can reel on this rope reels 32 is hung on the rope 33 that the family dependant supports the sunshade canvas of farm house periphery to link; When the family dependant will support the dealer when need will be hung on the sunshade canvas do rising (or falling) of farm house outside, then can be held in the wind 24 of the positive device of volume outside institute tackling through hand, turn wind 24 is connected with the transmission shaft 21 that is one with order and drives driving gear 2 runnings with it then, when these driving gear 2 rotation interlocks are close to driven gear 3 runnings of side, interlock and 32 runnings of its rope reels in the lump, this rope reels 32 is when being wind 24 turns running, (or putting outward) running that can make the rope 33 of winding on the rope reels 32 furl, the sunshade canvas that comes interlock to be hung on the farm house outside with mat rope 33 can reach the jacking (or landing) of expection; Yet, though the shaking hoist that this kind controlled sunshade canvas running can reach at ordinary times and prevent that inner transmission component from reversing situation to some extent, when the dealer when manufacturing the whole transmission component of this kind shaking hoist, then because the driving gear 2 of its transmission component and driven gear 3 all must adopt casting to form, and must spend quite big in manufacturing cost (because of it needs through die sinking to this kind mo(u)lding, founding, pouring, advanced study and training, the side belongs to the manufacturing of finishing transmission component), simultaneously, to the fluid origin transmission component of this kind suitable labor intensive when assembling, the external force of the hoist of finishing in assembling when bearing the sunshade canvas lifting load bestowed in the external world or elevator operation, then apply because of the fragile easy external force of mo(u)lding itself because of play urgency, and cause the inner transmission component disrepair phenomenon of hoist to take place, and when hoist is controlled do lifting, because of being that driving gear 2 than minor diameter comes the big straight moving gear 3 in the big footpath of transmission, apply strength so expend very much the operator.

Therefore, the purpose of the utility model is to provide a kind of anti-structure-improved that reverses of shaking hoist, and it has a kind of inside transmission component of more simplifying, and can bear bigger extraneous elevator load, simultaneously can be more laborsaving when sunshade canvas descending operation.

In order to achieve the above object, the utility model proposes a kind of anti-structure-improved that reverses of shaking hoist, mainly tie up to the inner assembling of positioning seat with transmission component and rope reels, fit combines with wind in the imput shaft outside; Its improvements are: assemble with the one-body molded transmission shaft that is provided with worm gear and rope reels in two corresponding L-shaped positioning seat proper orientation, simultaneously to horizontal worm gear be close to the lower end for vertical assembling with worm screw between two corresponding L-shaped positioning seats, and then can be sheathed with wind to this worm screw positioning section that is stretched on L shaped positioning seat outer end; The inner power transmission group that is vertical interlaced of assembling of hoist can provide the dipping and heaving of sunshade canvas by this.

Relevant for the structure-improved of the utility model and reach effect, be described as follows with a concrete possible embodiments conjunction with figs. now:

Fig. 1 is the hoist integrated member three-dimensional exploded view of the utility model;

Fig. 2 is the hoist assembling front sectional elevation of the utility model;

Fig. 3 is the hoist assembling side cutaway view of the utility model;

Fig. 4 is general hoist assembling front sectional elevation;

Fig. 5 is general hoist assembling side cutaway view.

At first see also Fig. 1, the utility model mainly is to be made up of members such as L shaped positioning seat 1, active worm screw 3, driven worm gear 4, winds 5;

L

shaped positioning seat

1,2 is L-shaped hoist location pedestal, in the proper orientation of 1,2 tool one sides of this L shaped positioning seat for running through being the slot part 11,21 of loop order shape outward by internal diameter, and on L shaped positioning seat 1 another side plate proper orientation also by interior perforation 12,22 toward peripheral hardware tool loop order shape;

Active worm screw 3, it is to cooperate L shaped positioning seat 1, the 2 inner worm screw members of being set up, and is the bearing shrinking section 31 that is than path in active worm screw 3 one ends, and holds in addition then for to establish with bearing shrinking section 32 and wind positioning section 33 than path in regular turn active worm screw 3;

Driven worm gear 4, it is to cooperate two corresponding L-shaped positioning seat 1, the 2 inner worm gear members of being set up, in this driven worm gear 4 is to adopt the one-body molded power wheel 43 that is provided with worm gear 41 and rope reels 42, and at transmission shaft 43 two ends for distinctly establishing the shrinking section 411 that is inserted in fitted bearing 44;

When implementing, combination (asks for an interview Fig. 2, Fig. 3), at first the one-body molded transmission shaft 43 two ends shrinking sections 411 that are provided with worm gear 41 and rope reels 42 are distinctly assembled with bearing 44, and this driven worm gear 4 is assembled in two corresponding L-

shaped positioning seats

1,2 slot part 11,21, continue at active worm screw 3 bearings at both

ends shrinking sections

31,32 is sheathed with bearing 34 in regular turn, again these active worm screw 3 single unit system correspondences are sheathed on two corresponding L-shaped positioning seats 1, the perforation 12 of 2 front and back side institute tool loop order shapes, 22 places, with reaching two corresponding L-shaped positioning seat mat bolting elements are located, and make this active worm screw 3 one ends institute tool wind positioning section 33 be stretched on another L shaped positioning seat 2 outer ends, can locate tackling with wind 5 to this 33 of shrinking section that are stretched on L shaped positioning seat 2 outer ends, by this to finish a shaking hoist device of simplifying.

Use when implementing (asking for an interview Fig. 3), the dealer sets up sunshade canvas appropriate location in advance for this hoist one side chain Guan County is loaded on farm house, and the rope 6 of on the inner stack-mounted rope reels 42 of hoist, reeling to control the sunshade canvas, this rope 6 extends an end outward then can be connected (not shown) on the spool of sunshade canvas bottom, when dealer's desire the sunshade canvas is made appropriate farm house and block rising (or landing), then but the mat hand is held on the wind 5 and bestows rotation, to pray when driving initiatively worm screw 3 runnings, but it is close to the also run-in synchronism of driven worm gear 4 of side interlock, at this moment, with 42 of the rope reels of tackling on the driven worm gear 4 same axle center just can be together with running, can do the jacking (or landing) of expection with hanging the sunshade canvas that ties up to the farm house outside tool of being taken to impel the rope 6 that is wound on the rope reels 42, and in make the sunshade canvas the dealer elevator when operation, can be because of being the transmission running of mat Worm-gear assembly, can control hoist well and do the lifting start so can be able to gently strength.

In being provided as at ordinary times manufacturer's assembling and making elevator when using, can find that it has following advantage at comprehensive above-described hand-rail type hoist:

1. the whole driving member semen collection of the hand-rail type hoist of the utility model letter is set up, when only needing that in when assembling worm gear and worm screw are interlaced, the dealer is arranged in the hoist positioning seat, that continues assembles in regular turn with rope reels and controls with members such as winds, quite fast, convenient member uses in this kind assembling, then can significantly reduce in the processing cost of driving member.

2. the hand-rail type hoist that adopts of the utility model is except having the function of the inner driving member reverse of the hoist of preventing, and when bearing elevator, integral body applies external force with worm gear, worm screw, and bear percussion when load between member and member, because the driving member of institute tool own is better intensity is arranged, so when hoist is being done lifting and is being used, can bear the bigger external world and apply static pressure and apply, therefore, can be increased the hoist mission life-span.

3. the utility model institute tool worm gear and worm screw group is established the transmission component that forms in providing lifting to control, and controls because worm gear, worm screw system are the transmission of vertical interlaced, can be able to light power operation when shaking wind as the lifting of sunshade canvas.

Claims

1, a kind of anti-structure-improved that reverses of shaking hoist mainly ties up to the inner assembling of positioning seat with transmission component and rope reels, and fit combines with wind in the imput shaft outside;

It is characterized in that: assemble with the one-body molded transmission shaft that is provided with worm gear and rope reels in two corresponding L-shaped positioning seat proper orientation, simultaneously to horizontal worm gear be close to the lower end for vertical assembling with worm screw between two corresponding L-shaped positioning seats, and then can be sheathed with wind to this worm screw positioning section that is stretched on L shaped positioning seat outer end; The inner power transmission group that is vertical interlaced of assembling of hoist can provide the dipping and heaving of sunshade canvas by this.