CN2753189Y

CN2753189Y - Pulley structure improvement for pull vertical frame autoamtic umbrella

Info

Publication number: CN2753189Y
Application number: CN 200420093802
Authority: CN
Inventors: 张书闵
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-09-30
Filing date: 2004-09-30
Publication date: 2006-01-25
Anticipated expiration: 2014-09-30

Abstract

The utility model relates to a pulley structure improvement for pull wire type automatic umbrellas with straight ribs, which comprises pulleys and pulley seats. The utility model is characterized in that the pulley seats are provided with an upper pulley seat and a lower pulley seat which are both arranged in a middle rod device of an umbrella, wherein the upper pulley seat is fixedly arranged on the inner top of the middle rod device of an umbrella, and the lower pulley seat is glidingly arranged under the upper pulley seat in the middle rod device; the upper pulley seat is provided with two pulleys, and the lower pulley seat is provided with two pulleys too; a pull wire winds the four pulleys. In this way, the control travel range of the opening and the retraction of the umbrella can be shortened through the four time winding of the pull wire, the distance between the upward move and the downward move of the lower nest is short, the utility model can be controlled and operated simply and rapidly, and the easy use rate of the umbrella can be increased.

Description

The pulley structure improvement of stay-supported straight rib self-opening umbrella

Technical field

The utility model relates to the controlling organization of umbrella, a kind of pulley structure improvement that is used for the stay-supported straight rib self-opening umbrella of saying so exactly, and this structure can effectively shorten the stroke of pulley motion, improves the rate of producing effects of opening of umbrella, the convenient use.

Background technology

The automatic umbrella folding and unfolding of straight bone type, normally spring is set on the top of following nest, pipe was outside during spring was centered around, to reach the usefulness of automatic deployment, therefore down between spring and the following nest is to hook together by clasp, and nest must be provided with pedestal so that the hook of fastening to be set, and spring and hook all be exposed in the outside of pipe, receive the erosion of rainwater easily and get rusty, perhaps damaged by the object of outside.

Therefore, a kind of improved straight rib self-opening umbrella, picture patent application 97218644.1 is described, improvement that it is main and effect are that spring is arranged in the middle pipe, middle pipe upper end internal fixation is provided with fixed block, correspondence is provided with a sliding seat in addition, the sliding seat bottom is fixed with spring, and to hold the usefulness of parachute-opening, the position on the fixing fast top of the inside of last nest is fixed with pulley, simultaneously, also be provided with pulley on the sliding seat, backguy one end is fixed on the fixed block, then the pulley of winding sliding seat, the pulley of last nest, on the nest, maintain down moving up and down of nest under being fixed at last to receive in conjunction with opening of umbrella.

Open the key mechanism pulley structure form that closes one's umbrella, two pulleys, even the setting of three pulleys at it, set-up mode relatively is convenient to open and is closed one's umbrella, during its spring, pulley mechanism all are arranged on simultaneously in the pipe, safe and reliable, can not produce get rusty, by situations such as external devices damages.But what also need to pay attention to a bit is: be convenient to open the control that closes one's umbrella, make it easy and simple to handle, reaction is quick, can't embody in above-mentioned structure is provided with.

Because the setting of pulley is and backguy, also promptly descend the stroke of nest that direct relation is arranged, and nest is directly to embody to open the whether easy critical piece of control that closes one's umbrella down, the set-up mode of pulley is to realize controlling opening receiving stroke and whether simple and direct key, above-mentioned setting all has long backguy movement travel, this no-load voltage ratio structure (pulley structure) makes that at the wrapping phenomena of opening the long generation backguy of backguy in the receipts process of umbrella nest can not accurately reset down, opens to receive and controls and can not carry out smoothly.

Summary of the invention

Therefore, the purpose of this utility model provides a kind of pulley structure improvement of stay-supported straight rib self-opening umbrella, and this structural improvement can shorten original the opening control stroke that closes one's umbrella, and control is successfully opened and closed one's umbrella, and makes that to open the control that closes one's umbrella convenient, fast.

Another purpose of the present utility model provides a kind of pulley structure improvement of stay-supported straight rib self-opening umbrella, this structural improvement is opened on the basis of the control stroke that closes one's umbrella in shortening, what also the set-up mode by pulley can guarantee that umbrella opens backguy in the receipts process draws receipts smoothly, can not produce wrapping phenomena, make that the use of automatic umbrella is more safe and reliable.

The utility model is implemented in the following manner:

A kind of pulley structure improvement of stay-supported straight rib self-opening umbrella, it includes pulley, pulley base, it is characterized in that pulley base has top sheave seat and downslide wheel seat, top sheave seat and downslide wheel seat all are arranged in the middle bar device of umbrella, wherein the top sheave seat is fixedly set in the interior top of middle bar device of umbrella, the below of top sheave seat in the bar device during the downslide wheel seat then is slidedly arranged on; The top sheave seat is provided with two pulleys, and is structure distribution up and down, and two pulleys also are set on the downslide wheel seat, equally also is up and down to distribute, and backguy is set around on these four pulleys.Can shorten greatly by four windings of backguy like this and open the control stroke that closes one's umbrella, the distance that nest moves up and down under making is very short, and control operation is easy, and is quick, can improve the rate easy to use of umbrella greatly.

Need to prove: the middle bar device of umbrella is actually the middle pipe of umbrella, or middle pipe and other sleeve pipe, for example go up pipe, the combination of pipe down, but it is provided with difference and can has different approximate structures according to concrete umbrella, be that its inside is provided with pulley structure, the deployment spring hook lies in the bottom of pulley structure, and other structure is prior art, is not described in detail at this.

Described pulley, two pulleys of its top sheave seat, one is large pulley, one is truckle, and superposed pulley is large pulley, the bottom be truckle; Two pulleys of downslide wheel seat, one is middle pulley, and one is truckle, and the pulley on downslide wheel seat top is a truckle, and the pulley of bottom is a middle pulley, the pass of the external diameter of above-mentioned pulley is: large pulley is greater than middle pulley, and middle pulley is greater than truckle.Backguy can be wrapped in respectively on the different pulleys, can not produce tangling between the backguy because the diameter of pulley is inconsistent.

One end of backguy is fixed in the bottom of top sheave seat, distributes then and walks around truckle, the truckle of top sheave seat, middle pulley, the large pulley of downslide wheel seat, is fixed at last on the following nest; Deployment spring is arranged at the bottom of downslide wheel seat, and its extension or contraction make the downslide wheel seat move up or down, twine this pulley structure by backguy, nest is reached down or down moves with the purpose of parachute-opening.

The side of lower sheave is provided with resilient supporting unit, to keep the suitable spacing of itself and middle bar device, be unlikely to because of top sheave seat and downslide wheel seat slide up and down the tangled up and knotted that causes backguy fast, guarantee that the backguy campaign is smooth and easy.

Above-mentioned resilient supporting unit, it is that lower sheave is provided with the ball that is held by elasticity, this ball protrudes in the appearance sidewall of downslide wheel seat, contacts with the inwall of the middle bar device of umbrella, plays guiding, location and increases frictional force, like this, when closing one's umbrella, the downslide wheel seat keeps in the corresponding scope in the speed to top offset under the effect of deployment spring, makes the backguy that is wrapped on the pulley have adequate time to shrink, backguy remains certain tension and relaxation power, can not produce wrapping phenomena.

Ball is that the spring that is set in the downslide wheel seat outwards holds, specifically, the bottom suitable position of downslide wheel seat is provided with the spring groove of an end opening, little spring is horizontally set at wherein, and holds the outer wall that ball protrudes in this downslide wheel seat, makes ball touch the middle bar device inwall of umbrella;

Above-mentioned ball, it can be by the constraint of the outer wall of downslide wheel seat, and promptly its diameter is greater than the opening of spring groove, to such an extent as to its main body is embedded in the downslide wheel seat, have only the part to protrude in the outer wall of downslide wheel seat, ball can not break away from the downslide wheel seat because of damage of external force like this.

Above-mentioned ball can be provided with a plurality ofly, is arranged at the both sides of lower sheave respectively, to form uniform support force, is convenient to sliding of lower sheave.

The utility model adopts the set-up mode of four pulleys, can make full use of pulley backguy is set, reduce the control stroke effectively, can utilize the inner wall space of the middle bar device of umbrella to the full extent, the middle bar device inner structure compactness of umbrella makes that to open the control that closes one's umbrella convenient, fast.

And lower sheave is provided with flexible bracing or strutting arrangement, can guarantee umbrella in opening the receipts process backguy draw receipts smoothly, can not produce wrapping phenomena, make that the use of automatic umbrella is more safe and reliable.

Description of drawings

Fig. 1 is a structural representation of the present utility model,

The structural representation of parachute-opening when Fig. 2 uses for the utility model,

The structural representation of handle when Fig. 3 uses for the utility model,

The structural representation that Fig. 4 closes one's umbrella when using for the utility model.

The specific embodiment

With reference to accompanying drawing, structure of the present utility model as shown in Figure 1.The utility model includes parts such as top sheave seat 7, downslide wheel seat 6 and pulley, and wherein top sheave seat 7 is fixed in by iron nail 9 on the outer tube 3 of umbrella, and iron nail 9 also is fixed together the outer tube 3 and the last nest 10 of umbrella.

Be set with two pulleys on the top sheave seat 7, one is large pulley 7-1, is fixed in the top of top sheave seat 7, and another is truckle 7-2, is fixed in the bottom of top sheave seat, large and small pulley, and be structure vertical distribution up and down,

Two pulleys also are set on the downslide wheel seat 6, and one of them is truckle 6-2, and one is middle pulley 6-1, equally also is up and down to distribute, and backguy 8 is set around on these four pulleys.One end of backguy 8 is fixed in the bottom of top sheave seat 7, distributes then and walks around truckle 6-2, truckle 7-2, the middle pulley 6-1 of top sheave seat, the large pulley 7-1 of downslide wheel seat 6, is fixed at last on the following nest 11; Deployment spring 5 is arranged at the bottom of downslide wheel seat 6, and its extension or contraction make downslide wheel seat 6 move up or down, thereby reaches the purpose of parachute-opening.

Can shorten greatly by four windings of backguy like this and open the control stroke that closes one's umbrella, the distance that nest moves up and down under making is very short, and control operation is easy, and is quick, can improve the rate easy to use of umbrella greatly.

The pass of the external diameter of above-mentioned pulley is: large pulley 7-1 is greater than middle pulley 6-1, and middle pulley 6-1 is greater than truckle 6-2 and truckle 7-2, generally speaking the equal diameters of truckle 6-2 and truckle 7-2; Backguy 8 is wrapped in respectively on the pulley of different-diameter, can not produce tangling between the backguy 8 because the diameter of pulley is inconsistent.

Shrink the stability of sliding and reduce its sliding speed in order to increase downslide wheel seat 6, downslide wheel seat 6 is provided with the ball 6-4 that is held by elasticity, this ball 6-4 protrudes in the appearance sidewall of downslide wheel seat 6, hold the inwall contact of the outer tube 3-1 of umbrella, ball 6-4 just can play guiding like this, location and the effect that increases frictional force, when closing one's umbrella, downslide wheel seat 6 is to top offset, because the effect that holds of ball 6-4, make the slip of downslide wheel seat 6 increase certain frictional force, movement velocity can keep in the corresponding scope, makes the backguy that is wrapped on the pulley remain certain tension and relaxation power, there is adequate time to shrink, can not produce wrapping phenomena.

The concrete set-up mode of ball 6-4 is: the bottom suitable position of downslide wheel seat 6 is provided with the spring groove of an end opening, little spring 6-3 is horizontally set at wherein, and hold the outer wall that ball 6-4 protrudes in this downslide wheel seat 6, make ball 6-4 touch the outer tube 3-1 inwall of umbrella.

In other embodiment, above-mentioned ball 6-4 can be provided with a plurality ofly, is arranged at the both sides of lower sheave respectively, to form uniform support force.

Fig. 2, Fig. 3 and shown in Figure 4 after the utility model is implemented, can control the receipts of opening of umbrella easily, and shown in Figure 2, when umbrella was in umbrella closing state, the sub warhead 2-2 of umbrella was retracted among the interior pipe 2-1 of umbrella, and was colluded clip by the iron in the handle 1; Its top of sub warhead 2-2 then is fixed with steel wire 4 by little steel axle 2-4, and steel wire 4 upwards draws and lies in downslide wheel seat 6 bottoms.

There is deployment spring 5 to be arranged at the bottom of downslide wheel seat 6, specifically, downslide wheel seat 6 bottoms are fixed with the fixing plug of outer tube 3-2, the fixing plug of pipe 2-3 in being provided with in the interior pipe 2-1 of the upper position of handle 1, between the two is clamped in deployment spring 5, make deployment spring 5 extension or shrink to drive outer tube 3-1 and interior pipe 2-1 does relative motion, the pulley that is arranged at outer tube top simultaneously links down that nest moves up and down, and reaches the parachute-opening purpose.

Seat 1-2 in being provided with in the handle of umbrella, with pipe 2-1 in pegging graft, and button 1-3, rocking bar 1-4, outer by seat 1-1, O shape iron collar 1-5, little spring 1-8, spring 1-9, U-iron collar 1-6, their actings in conjunction reach control and open the effect that closes one's umbrella.These devices all are prior aries, and adopt other frame mode, open the implementation that the mode that closes one's umbrella can reasonably substitute this button so long as the clip sub warhead reaches, and therefore no longer its structure are described in detail.

Wherein the internal structure of button as shown in Figure 3, button top is interior seat 1-2, it is arranged with O shape iron collar 1-5, U-iron collar, button 1-3, rocking bar 1-4, iron 1-7, is positioned at bottom by seat 1-1 outward; Wherein by little spring 1-8, spring 1-9 resiliency supported, rocking bar 1-4 can be promoted by button 1-3 respectively for O shape iron collar 1-5, U-iron collar, and pushing sub warhead 2-2 is to unclamp the clip that iron colludes 1-7, to reach the purpose that closes one's umbrella.

Shown in Figure 4, during parachute-opening, pushing button 1-3, button 1-3 promote O shape iron collar 1-5, make it unclamp clip to outer tube 3-1, outer tube 3-1 moves up under the effect of deployment spring 5, because deployment spring 5 is fixed plug 3-2 by outer tube and the fixing plug of interior pipe 2-3 is held on wherein, because sub warhead 2-2 is still colluded the 1-7 clip by iron, so steel wire 4 can only spur downslide wheel seat 6 and move downward, the motion of downslide wheel seat 6 affects backguy 8, thereby nest 11 moves upward under the traction, reaches the purpose of parachute-opening; Because the utility model adopts four pulleys (large pulley 7-1, truckle 7-2, truckle 6-2, middle pulley 6-1), four strokes are easy to make that nest 11 moves upward down, and it is smaller that the downslide wheel seat 6 in the outer tube 3-1 can move downward distance, helps the setting of device in the outer tube.

Button 1-3 again, button 1-3 extruding rocking bar 1-4, rocking bar 1-4 will promotor site bullet 2-2, make it break away from the clip that iron colludes 1-7, the top sheave seat 7 and the downslide wheel seat 6 that originally are in released state are inwardly close under the effect of umbrella colsing spring, and umbrella frame 12 is drawn in umbrella colsing spring control in, thereby closes one's umbrella.

In the process that closes one's umbrella, downslide wheel seat 6 is to top offset, little spring 6-3 holds ball 6-4, ball 6-4 holds the inwall of outer tube 3-1 again, under the effect of holding, the slip of downslide wheel seat 6 has increased certain frictional force, and its movement velocity can keep in the corresponding scope, make the backguy 8 of winding between pulley remain certain tension and relaxation power, backguy 8 can be owing to not shrinking too fast mat.

The above only is several embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, and the embodiment that every structure and utility model purpose and embodiment are similar to all should still belong in the utility model scope of patent protection.

Claims

1, a kind of pulley structure of stay-supported straight rib self-opening umbrella improvement, it includes pulley, pulley base, it is characterized in that pulley base has top sheave seat and downslide wheel seat, top sheave seat and downslide wheel seat all are arranged in the middle bar device of umbrella, wherein the top sheave seat is fixedly set in the interior top of middle bar device of umbrella, the below of top sheave seat in the bar device during the downslide wheel seat then is slidedly arranged on; The top sheave seat is provided with two pulleys, and is structure distribution up and down, and two pulleys also are set on the downslide wheel seat, equally also is up and down to distribute, and backguy is set around on these four pulleys.

2, the pulley structure of stay-supported straight rib self-opening umbrella as claimed in claim 1 improvement is characterized in that described pulley, two pulleys of its top sheave seat, one is large pulley, one is truckle, and superposed pulley is large pulley, the bottom be truckle; Two pulleys of downslide wheel seat, one is middle pulley, and one is truckle, and the pulley on downslide wheel seat top is a truckle, and the pulley of bottom is a middle pulley, the pass of the external diameter of above-mentioned pulley is: large pulley is greater than middle pulley, and middle pulley is greater than truckle.

3, the pulley structure of stay-supported straight rib self-opening umbrella as claimed in claim 2 improvement, it is characterized in that an end of backguy is fixed in the bottom of top sheave seat, distribute then and walk around truckle, the truckle of top sheave seat, middle pulley, the large pulley of downslide wheel seat, be fixed at last on the following nest; Deployment spring is arranged at the bottom of downslide wheel seat.

4, the pulley structure of stay-supported straight rib self-opening umbrella as claimed in claim 1 improvement is characterized in that the side of lower sheave is provided with resilient supporting unit, to keep the suitable spacing of itself and middle bar device.

5, the pulley structure of stay-supported straight rib self-opening umbrella as claimed in claim 4 improvement, it is characterized in that above-mentioned resilient supporting unit, it is that lower sheave is provided with the ball that is held by elasticity, and this ball protrudes in the appearance sidewall of downslide wheel seat, contacts with the inwall of the middle bar device of umbrella.

6, the pulley structure of stay-supported straight rib self-opening umbrella as claimed in claim 5 improvement, it is characterized in that ball, the spring that system is set in the downslide wheel seat outwards holds, specifically, the bottom suitable position of downslide wheel seat is provided with the spring groove of an end opening, little spring is horizontally set at wherein, and holds the outer wall that ball protrudes in this downslide wheel seat, makes ball touch the middle bar device inwall of umbrella.

7, the pulley structure of stay-supported straight rib self-opening umbrella as claimed in claim 6 improvement, it is characterized in that above-mentioned ball, it can be retrained by the outer wall of downslide wheel seat, be the opening of its diameter greater than spring groove, to such an extent as to its main body is embedded in the downslide wheel seat, have only the part to protrude in the outer wall of downslide wheel seat, ball can not break away from the downslide wheel seat because of damage of external force like this.

8, the pulley structure of stay-supported straight rib self-opening umbrella as claimed in claim 5 improvement is characterized in that above-mentioned ball, can be provided with a plurality ofly, is arranged at the both sides of lower sheave respectively, to form uniform support force.