CN2621472Y - Structure improved sunshade bending gear - Google Patents
Structure improved sunshade bending gear Download PDFInfo
- Publication number
- CN2621472Y CN2621472Y CN 03230621 CN03230621U CN2621472Y CN 2621472 Y CN2621472 Y CN 2621472Y CN 03230621 CN03230621 CN 03230621 CN 03230621 U CN03230621 U CN 03230621U CN 2621472 Y CN2621472 Y CN 2621472Y
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- Prior art keywords
- joint
- pulley
- towards
- truckle
- plug
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- Expired - Lifetime
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Abstract
The utility model relates to a novel bending apparatus developed based on an existing bending apparatus of parasol, wherein, a movable pulley is provided on the upper portion of a locating plug and being allowed moved vertically along with a linking member; a movable pulley B is provided in the upper segment of an umbrella handle to form a effort-saving pulley block with the movable pulley and a fixed pulley A; a return spring is arranged in the upper segment between the fixed pulley B and the movable pulley; an umbrella rope is provided with one end coupled with a lower nest and the other end of the umbrella rope being wound through the pulley block having the fixed pulley A, the fixed pulley B and the movable pulley and coupled with the bending and operating apparatus comprising the return spring, the locating plug and the upper segment. The utility model has a simple structure, convenient assembling, effort-saving operation and flexible carrying. Also the durable structure can extend the service life and improve dramatically the quality of the parasol.
Description
Technical field
The utility model relates to a kind of structure improved parasols and bends towards mechanism, by this mechanism the pulling force of umbrella rope is reduced, thereby reaches rapid operation when bending towards, purpose flexibly.
Background technology
A kind of parasols of the prior art bends towards mechanism and normally bends the angle that umbrella cover is adjusted sunshade by rotating crank.It mainly is by bending towards joint that this kind bends towards mechanism, bend towards down joint, bend towards connecting rod, bend towards formations such as inner spring and back-moving spring, wherein inner spring places in the groove that bends towards joint, pivot joint bends towards the pin that saves and bend towards down joint and passes inner spring, bending towards connecting rod places bending towards of mutual pivot joint to save and bend towards down in the joint, and its bottom is positioned at the bottom that bends towards down joint, the afterbody of connecting rod has two pulleys that connect with sliding pin, bend towards down the chute that has this pulley to slide in the joint, a limit plug is fixed on the connecting rod top, the limit plug top be connected with umbrella handle on the fixing back-moving spring of joint, in the joint pulley is housed on above this spring, one end of umbrella rope is fixed with following nest, the other end is through pulley and run through back-moving spring successively, bend towards to save and be connected with crank with bending towards down to save, just, the reverse turn crank, roll up the umbrella rope that draws or let pass, make its interlock bend towards mechanism, realize bending location and the function that resets.From said structure as can be seen, when rotating crank, the pulling force suffered as if the umbrella rope is big, and the active force that then puts on the crank is also big; On the contrary, the suffered pulling force of umbrella rope is little, and the active force that then puts on the crank is also little.Therefore, if will bend towards rapid operation, then can realize by the pulling force that reduces the umbrella rope.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of structure improved parasols that reduces the umbrella rope tension to bend towards mechanism, by this mechanism can make bend towards when operation laborsaving, flexible operation is light.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this structure improved parasols bends towards mechanism, have and bend towards joint, bend towards down joint, bend towards connecting rod, bend towards inner spring, back-moving spring and umbrella rope, wherein inner spring places in the groove that bends towards joint, pivot joint bends towards the pin that saves and bend towards down joint and passes inner spring, bending towards connecting rod places bending towards of mutual pivot joint to save and bend towards down in the joint, and its bottom is positioned at the bottom that bends towards down joint, the afterbody of connecting rod has two pulleys that bend towards with the straight pin connection, bend towards down the chute that has this pulley to slide in the joint, a limit plug is fixed on the connecting rod top, the limit plug top be connected with umbrella handle on the fixing back-moving spring of joint, in the joint pulley is housed on the umbrella handle above this spring, it is characterized in that being provided with a truckle A that can move up and down in company with connecting rod on described limit plug top, also be provided with one on the umbrella handle between pulley and truckle A in the joint and constitute the truckle B of laborsaving assembly pulley with pulley and truckle A, described back-moving spring between truckle A and truckle B on the joint in, described umbrella rope one end is fixed with following nest, and the other end is described by truckle A according to the principle pile warp that laborsaving assembly pulley movable pulley pulling force reduces by half, three assembly pulleys that B and pulley constitute and described by back-moving spring, limit plug, bending towards the assembly that bends towards that saves and bend towards formations such as joint is connected with operating mechanism.
Can establish one and be used for fixing the fixedly plug of deciding truckle B in the joint on the umbrella handle between described pulley and limit plug, fixing have the perforation that can pass for the umbrella rope beyond the Great Wall, and the upper end of described back-moving spring is connected with should fixingly filling in.
Compared with prior art, advantage of the present utility model is: the mechanism that bends towards of the present utility model has light etc. the advantage of simple in structure, easy to assembly, rapid operation, flexible operation, its sound construction of while, long service life can make the integral product quality of parasols improve greatly.
Description of drawings
Fig. 1 is a perspective exploded view one of the present utility model;
Fig. 2 is a perspective exploded view two of the present utility model;
Fig. 3 is the perspective exploded view one of reflection the utility model partial structurtes;
Fig. 4 is the perspective exploded view two of reflection the utility model partial structurtes;
Fig. 5 is an assembling schematic diagram one of the present utility model;
Fig. 6 is an assembling schematic diagram two of the present utility model;
Fig. 7 reflects fixed pulley A, B and the triangular annexation schematic diagram of fixed pulley;
Fig. 8 is the force analysis figure of Fig. 7.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Shown in Fig. 1-6, the utility model mainly by bend towards joint 10, bend towards down joint 11, bend towards connecting rod 9, bend towards the inner spring (not shown), back-moving spring 6, umbrella rope 2, fixingly fill in 5, limit plug 8 and the laborsaving assembly pulley that is made of truckle A7, truckle B4 and pulley 1 constitute, wherein bend towards joint 10, bend towards down joint 11, bend towards inner spring and bend towards the structure of connecting rod 9 same as the prior art, detailed description no longer here.
It is interior also fixing with rivet 15 and last joint 3 that pulley 1 is placed on the pulley groove 16 of joint 3 on the umbrella handle.
(see Fig. 5,6) during assembling, pulley 1 utilizes rivet 15 to be fixed in the pulley groove 16 of joint 3 on the umbrella handle, and truckle B4 is placed in the pulley groove 13 of fixing plug 5, and utilizes rivet 14 to be fixed on the relevant position of joint 3 together with fixing plug 5.The big end of back-moving spring 6 is enclosed within the lower end of fixing plug 5, and the small end of back-moving spring 6 is inserted in one section hollow round column of limit plug 8.Truckle A7 is placed in the pulley groove 12 of limit plug 8, be fixed on the limit plug 8 with straight pin 17, and together with limit plug 8, bend towards mechanism and put into joint 3, save 10 epimere undergauge head and last joint 3 tight fits and fix grip assemblies such as bending towards connecting rod 9, limit plug 8 with bending towards.The bottom that bends towards connecting rod 9 places bending towards joint 10 and bending towards down in the joint 11 of mutual pivot joint, and is positioned at the bottom that bends towards down joint 11 bottom it, and the afterbody of connecting rod 9 has two pulleys 18 that connect with sliding pin 19, bends towards down to save the chute that has this pulley 18 to slide in 11.One end of (seeing Fig. 1,5) umbrella rope 2 is connected back (nest does not illustrate under among the figure) with following nest, walk around pulley 1, pass fixing plug 5, back-moving spring 6 successively, walk around the truckle A7 on the limit plug 8 again, the anti-back-moving spring 6 that passes, (seeing Fig. 2,6) walks around the truckle B4 on the fixing plug 5, passes back-moving spring 6, limit plug 8 successively, bends towards joint 10, bends towards down and save 11 and be connected with operating mechanism 21 (crank) on the middle joint.
Originally the structure that bends towards mechanism has three pulleys: pulley 1, truckle A7, truckle B4, pulley 1 and truckle B4 all are fixed on the joint 3 with rivet, truckle A7 with bend towards connecting rod 9 and be connected, can move up and down is an individual movable pulley.According to physics principle, movable pulley structure pulling force can reduce by half, so this total can make umbrella smoothness when bending towards laborsaving, the people (Ms, child, old man etc.) that strength is smaller but equal easy manipulation.The power that acts in addition on the rope also reduces by half, so can prolong the life-span of total, makes the product can be durable in use, can improve the quality of product greatly.
Fig. 8 is the physics principle figure of three pulleys, and pulley and truckle B all are fixed, and truckle A is a movable pulley.Get F=9.8Q/m according to physics, V
S=mV
h
Wherein F represents-flexible element free end tractive force N
Q represents-lifting capacity kg
M represents-pulley block ratio, simply connected assembly pulley: m=n
Duplex assembly pulley: m=n/2
N represents-the suspended item flexible element divides number
V
SLeading property of expression-flexible element free end speed (m/s)
V
hThe speed of expression-running block (m/s)
Above-mentioned is a preferred embodiment of the present utility model, and except this implemented the structure shown in the illustration, the utility model also can have other constructional variant, and does not break away from protection domain of the present utility model.
Claims (2)
1, a kind of structure improved parasols bends towards mechanism, have and bend towards joint (10), bend towards down joint (11), bend towards connecting rod (9), bend towards inner spring, back-moving spring (6) and umbrella rope (2), wherein inner spring places in the groove that bends towards joint (10), the pin that pivot joint bends towards joint (10) and bends towards down joint (11) passes inner spring, bend towards connecting rod (9) and place bending towards joint (10) and bending towards down in the joint (11) of mutual pivot joint, and its bottom is positioned at the bottom that bends towards down joint (11), the afterbody of connecting rod (9) has two to bend towards pulley (18) with what straight pin (19) connected, bend towards down the chute that has this pulley (18) to slide in the joint (11), a limit plug (8) is fixed on connecting rod (9) top, limit plug (8) top be connected with umbrella handle on the fixing back-moving spring (6) of joint (3), on the umbrella handle of this spring (6) top, in the joint (3) pulley (1) is housed, it is characterized in that: be provided with a truckle A (7) that can move up and down in company with connecting rod (9) on described limit plug (8) top, on the umbrella handle between pulley (1) and truckle A (7) joint also be provided with in (3) one with the truckle B (4) of pulley (1) and the laborsaving assembly pulley of truckle A (7) formation, described back-moving spring (6) is positioned at going up between truckle B (4) and the truckle A (7) and saves (3), described umbrella rope (2) one ends are fixed with following nest, and the other end is described by truckle A according to the principle pile warp that laborsaving assembly pulley movable pulley pulling force reduces by half, B (7,4) and three assembly pulleys that constitute of pulley (1) and described by back-moving spring (6), limit plug (8), the assembly that bends towards that bends towards joint (10) and bend towards joint formations such as (11) is connected with operating mechanism (21).
2, the mechanism that bends towards as claimed in claim 1, it is characterized in that: joint is provided with a fixedly plug (5) that is used for fixing truckle B (4) in (3) on the umbrella handle between described pulley (1) and limit plug (8), the perforation that can pass for the umbrella rope is arranged on the fixing plug (5), and the upper end of described back-moving spring (6) is with should fixing plug (5) fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03230621 CN2621472Y (en) | 2003-04-23 | 2003-04-23 | Structure improved sunshade bending gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03230621 CN2621472Y (en) | 2003-04-23 | 2003-04-23 | Structure improved sunshade bending gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2621472Y true CN2621472Y (en) | 2004-06-30 |
Family
ID=34247697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03230621 Expired - Lifetime CN2621472Y (en) | 2003-04-23 | 2003-04-23 | Structure improved sunshade bending gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2621472Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9220325B2 (en) | 2013-09-06 | 2015-12-29 | Oliver Joen-An Ma | Cantilever umbrella |
| US9237785B2 (en) | 2013-02-19 | 2016-01-19 | Oliver Joen-An Ma | Cantilever umbrella |
| US9289038B2 (en) | 2013-09-19 | 2016-03-22 | Oliver Joen-An Ma | Cantilever umbrella |
| US9642421B2 (en) | 2012-06-18 | 2017-05-09 | Oliver Joen-An Ma | Umbrella canopy tilt mechanism |
| US9930942B2 (en) | 2014-12-30 | 2018-04-03 | Oliver Joen-An Ma | Cantilever umbrella with integrated control mechanisms |
| US10136709B2 (en) | 2013-09-06 | 2018-11-27 | Oliver Joen-An Ma | Cantilever umbrella |
-
2003
- 2003-04-23 CN CN 03230621 patent/CN2621472Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9642421B2 (en) | 2012-06-18 | 2017-05-09 | Oliver Joen-An Ma | Umbrella canopy tilt mechanism |
| US9237785B2 (en) | 2013-02-19 | 2016-01-19 | Oliver Joen-An Ma | Cantilever umbrella |
| US9220325B2 (en) | 2013-09-06 | 2015-12-29 | Oliver Joen-An Ma | Cantilever umbrella |
| US10136709B2 (en) | 2013-09-06 | 2018-11-27 | Oliver Joen-An Ma | Cantilever umbrella |
| US9289038B2 (en) | 2013-09-19 | 2016-03-22 | Oliver Joen-An Ma | Cantilever umbrella |
| US9930942B2 (en) | 2014-12-30 | 2018-04-03 | Oliver Joen-An Ma | Cantilever umbrella with integrated control mechanisms |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130423 Granted publication date: 20040630 |