CN201451754U

CN201451754U - Screw opening structure

Info

Publication number: CN201451754U
Application number: CN2009201225948U
Authority: CN
Inventors: 王英英
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-17
Filing date: 2009-06-17
Publication date: 2010-05-12
Anticipated expiration: 2019-06-17

Abstract

The utility model relates to a screw opening structure of a beach umbrella, which comprises a first umbrella pole, a second umbrella pole, a trapezoidal screw, a trapezoidal nut, a first bevel gear, a second bevel gear and a crank. The design essential is as follows: the middle of the first umbrella pole is provided with a lower umbrella set, the top of the second umbrella pole is provided with an upper umbrella set, the second umbrella pole is arranged in the first umbrella pole, the trapezoidal screw is arranged in the second umbrella pole, the top end of the trapezoidal screw is connected with a screw nesting sleeve through a first hexagon socket head cap screw and a joint ring, and the screw nesting sleeve is propped against the inner wall of the second umbrella pole; the trapezoidal screw is connected with the trapezoidal nut, and the trapezoidal nut is fixedly connected with the second umbrella pole; the lower end of the trapezoidal screw is connected with a circular tube, the circular tube passes through a fixing sleeve and is connected with an anti-slip block, and the anti-slip block is provided with a torsion spring; and the first and the second bevel gears are arranged in a bevel gear seat, and the first and the second bevel gears are connected through a gear. The screw opening structure not only has simple structure, is easy to open the umbrella and opens the umbrella at a low position, but also has long service life and is applicable to the structural improvement of all beach umbrellas.

Description

Screw rod parachute-opening structure

Technical field

The utility model relates to parasols, is a kind of screw rod parachute-opening structure of parasols.

Technical background

In traditional parasols, have three kinds as the parachute-opening mode of ordinary straight umbrella class: first kind directly will be descended umbrella disk upwards to push away, and umbrella cover is strutted; Second kind of side in umbrella bar upper end is equipped with Hanging roller, and umbrella rope one end is connected and fixed by Hanging roller and following umbrella disk, pulls down by the umbrella rope its following umbrella disk is moved up, and umbrella cover is opened; The third is to use an end of umbrella rope and following umbrella disk to be connected and fixed, the other end of umbrella rope is connected and fixed by the ropewinder that the pulley on the umbrella bar penetrates in umbrella pipe and the umbrella bar, crank handle by ropewinder is suitable, be rotated counterclockwise and can make its function of umbrella rope retractable, " receipts " or " putting " by the umbrella rope make its down umbrella disk move up and down and can make umbrella cover realize opening or closing.

Monolateral for another example hang umbrella class parachute-opening structure normally standpipe be provided with the handrail that can slide up and down, slide up and down by handrail and umbrella cover is strutted or be in heeling condition.

Above-mentioned parachute-opening structure belongs to common parachute-opening structure.Described hand push umbrella disk, dragline type parachute-opening and manumotive armrest parachute-opening structure, not only the parachute-opening position is too high, and heavier, and there are defectives such as not on-slip, the easy damage of umbrella rope in the structure of shaking the hand equally.

Summary of the invention

For overcoming above-mentioned deficiency, the purpose of this utility model is to provide a kind of screw rod parachute-opening structure to this area, makes it can solve parasols parachute-opening position height, the not on-slip of shaking the hand, the flimsy technical problem of umbrella rope.The utility model purpose is to adopt following technical scheme to realize.

A kind of screw rod parachute-opening structure, this parachute-opening structure comprise the first umbrella bar, the second umbrella bar, trapezoidal screw, trapezoidal nut, the first awl tooth, the second awl tooth, shake the hand, and its main points are:

Be provided with the first umbrella rod guidance cover between the first umbrella bar and the second umbrella bar, the first umbrella rod guidance is placed in the first umbrella masthead portion port, and is connected and fixed with the first umbrella bar;

Second umbrella bar bottom connects the second umbrella rod guidance cover, trapezoidal screw passes second umbrella rod guidance cover and is connected with trapezoidal nut, the trapezoidal screw top is nested with the pad connecting screw rod by first hexagon socket head cap screw, screw rod is nested to be placed in the second umbrella bar, trapezoidal screw connects trapezoidal nut, trapezoidal nut is connected and fixed on the second umbrella bar, and purpose is that trapezoidal nut drives the second umbrella bar and together moves up and down; Trapezoidal screw is connected pipe by second hexagon socket head cap screw with locking nut, and pipe connects limited slip block by straight pin, and limited slip block is to be connected and composed by first limited slip block of complementary structure and second limited slip block; Limited slip block is provided with torsion spring, and tooth is bored with jump ring, thrust bearing, awl tooth locating ring and first in limited slip block lower end connecting axle successively, and together is installed in the awl toothholder; Awl toothholder upper end is provided with the maintenance cover, and the maintenance cover connects the awl toothholder by the first cross recess coiled hair screw, and awl toothholder lower end is connected the first umbrella bar by the second cross recess coiled hair screw with the cross recess nut; Shaking the hand is connected the awl toothholder by conical tooth shaft with awl tooth positioning pipe, and conical tooth shaft is provided with keyway, is provided with flat key in the keyway, connects the second awl tooth by flat key; The first umbrella bar is provided with down umbrella disk, and following umbrella disk is connected and composed by first self-tapping screw by following umbrella disk loam cake and following umbrella disk lower cover, is provided with down the umbrella disk positioning sleeve in the following umbrella disk, and following umbrella disk positioning sleeve is connected and fixed on the first umbrella bar; Second umbrella disk is provided with upper umbrella disc, and upper umbrella disc is connected and composed by first self-tapping screw by upper umbrella disc loam cake and upper umbrella disc lower cover, and upper umbrella disc connects the second umbrella bar by second self-tapping screw.

Described awl toothholder connects the shell of shaking the hand, and the shell of shaking the hand is connected and composed by a left side the shake the hand shell, shake the hand shell loam cake and the shell lower cover of shaking the hand of shell, the right side of shaking the hand, and the shell of shaking the hand makes outward appearance more attractive in appearance.

Transmission between the described first awl tooth and the second awl tooth is a Bevel Gear Transmission, and the feasible control of shaking the hand of Bevel Gear Transmission is lighter.

Described upper umbrella disc is a displacement disc, and following umbrella disk is a fixed disk, and during rotary handle, following umbrella disk is motionless, and upper umbrella disc moves up and down, thereby realizes that umbrella " is opened " or the state of " closure ".

The utility model structure is comparatively simple, parachute-opening is light, the parachute-opening position is low, and the screw rod parachute-opening is applicable to the architecture advances of all kinds of parasols than long characteristics service life.

Description of drawings

Fig. 1 is an explosive view of the present utility model.

Fig. 2 is a structure cutaway view of the present utility model.

The sequence number of above accompanying drawing and title: 1, guide pin bushing, 2, the first umbrella bar, 3, the shell upper and lower covers of shaking the hand, 4, the left side shell of shaking the hand, 5, the right side shell of shaking the hand, 6, the second umbrella bar, 7, trapezoidal nut, 8, the second umbrella rod guidance cover, 9, first hexagon socket head cap screw, 10, pad, 11, screw rod is nested, and 12, trapezoidal screw, 13, second hexagon socket head cap screw, 14, locking nut, 15, pipe, 16, straight pin, 17, the maintenance cover, 18, the first cross recess coiled hair screw, 19, first limited slip block, 20, second limited slip block, 21, torsion spring, 22, axle is used jump ring, 23, thrust bearing, 24, the awl toothholder, 25, the cross recess nut, 26, awl tooth positioning pipe, 27, conical tooth shaft, 28, flat key, 29, shake the hand 30, the second cross recess coiled hair screw, 31, awl tooth locating ring, 32, the first awl tooth, 33, the second awl tooth, 34, following umbrella disk positioning sleeve, 35, following umbrella disk lower cover, 36, following umbrella disk loam cake, 37, the upper umbrella disc lower cover, 38, the upper umbrella disc loam cake, 39, second self-tapping screw, 40, first self-tapping screw.

The specific embodiment

Now in conjunction with the accompanying drawings, structure of the present utility model is further described. this screw rod parachute-opening structure comprises that the first umbrella bar 2, the second umbrella bar 6, trapezoidal screw 12, trapezoidal nut 7, the first awl tooth 32, the second awl tooth 33, the 29. first umbrella bars of shaking the hand are provided with down umbrella disk, following umbrella disk is made of umbrella disk lower cover 35 under umbrella disk loam cake 36 connects by first self-tapping screw 40 down, be provided with down umbrella disk positioning sleeve 34 in the following umbrella disk, following umbrella disk positioning sleeve is connected and fixed on the first umbrella bar, following umbrella disk is a fixed disk, can not move; Second umbrella bar upper end connects upper umbrella disc by second self-tapping screw 39, and upper umbrella disc connects upper umbrella disc lower cover 37 by upper umbrella disc loam cake 38 by first self-tapping screw and constitutes; Be provided with the connection of first umbrella rod guidance cover, 1, the first umbrella rod guidance cover between the first umbrella bar and the second umbrella bar and be fixed in the first umbrella masthead end, guide pin bushing guides moving up and down of the second umbrella bar; Be provided with trapezoidal screw in the second umbrella bar, the trapezoidal screw top connects 9 nested with pad 10 connecting screw rods 11 by first hexagon socket head cap screw, screw rod nested with the second umbrella bar for being slidingly matched; Trapezoidal screw is by the trapezoidal nut that is rotatably connected, and trapezoidal nut is connected and fixed and the second umbrella bar, realizes the lifting simultaneously of the trapezoidal nut and the second umbrella bar; Second umbrella rod guidance cover 8 is connected and fixed in the second umbrella bar of trapezoidal screw lower end, plays the lower limit motion of the restriction second umbrella bar; Trapezoidal screw one end is connected pipe 15 by second hexagon socket head cap screw 13 with locking nut 14, pipe connects limited slip block by straight pin 16, limited slip block is made up of by complementary structure first limited slip block 19 and second limited slip block 20, limited slip block is provided with torsion spring 21, tooth is bored with jump ring 22, thrust bearing 23, awl tooth locating ring 31 and first in limited slip block lower end connecting axle successively, and together is installed in the awl toothholder 24; Awl toothholder upper end is provided with maintenance cover 17, and the maintenance cover is placed in limited slip block, and the maintenance cover connects the awl toothholder by the first cross recess coiled hair, 1 screw 8, and the awl toothholder is connected the first umbrella bar by the second cross recess coiled hair screw 30 with cross recess nut 25; Shaking the hand is connected the awl toothholder by conical tooth shaft 27 with awl tooth positioning pipe 26, and conical tooth shaft is provided with keyway, is provided with flat key 28 in the keyway, connects the second awl tooth by flat key, and the second awl tooth connects the first awl tooth by gear, realizes Bevel Gear Transmission; The shell of shaking the hand connects the awl toothholder by the first umbrella bar, and the shell of shaking the hand is made of the shell upper and lower covers 3 of shaking the hand, left side shell 4, the right side shell 5 of shaking the hand of shaking the hand, and the shell of shaking the hand is set makes outward appearance more attractive in appearance.

Operation principle: drive the second awl tooth rotation by shaking the hand clockwise or being rotated counterclockwise, thereby drive torsion spring, first limited slip block, the rotation of second limited slip block, make suitable, the contrary rotation of its trapezoidal screw; When trapezoidal screw turns clockwise, drive the second umbrella bar by trapezoidal nut and move down, umbrella cover is an expansible.When trapezoidal screw is rotated counterclockwise, drive the second umbrella bar by trapezoidal nut and move up, umbrella cover can merge.

Claims

1. screw rod parachute-opening structure, this parachute-opening structure comprise the first umbrella bar (2), the second umbrella bar (6), trapezoidal screw (12), trapezoidal nut (7), the first awl tooth (32), the second awl tooth (33), shake the hand (29), it is characterized in that:

Be provided with the first umbrella rod guidance cover (1) between the first umbrella bar (2) and the second umbrella bar (6), the first umbrella rod guidance is placed in the first umbrella masthead portion port, and is connected and fixed with the first umbrella bar;

The second umbrella bar (6) bottom connects the second umbrella rod guidance cover (8), trapezoidal screw (12) passes second umbrella rod guidance cover and is connected with trapezoidal nut (7), the trapezoidal screw top is by first hexagon socket head cap screw (9) and pad (10) connecting screw rod nested (11), screw rod is nested to be placed in the second umbrella bar, trapezoidal screw connects trapezoidal nut (7), and trapezoidal nut is connected and fixed on the second umbrella bar;

Trapezoidal screw (12) is connected pipe (15) by second hexagon socket head cap screw (13) with locking nut (14), and pipe connects limited slip block by straight pin (16), and limited slip block is to be connected and composed by first limited slip block (19) of complementary structure and second limited slip block (20);

Limited slip block is provided with torsion spring (21), and tooth (32) is bored with jump ring (22), thrust bearing (23), awl tooth locating ring (31) and first in limited slip block lower end connecting axle successively, and together is installed in the awl toothholder (24);

Awl toothholder (24) upper end is provided with maintenance cover (17), and the maintenance cover connects awl toothholder (24) by the first cross recess coiled hair screw (18), and awl toothholder lower end is connected the first umbrella bar by the second cross recess coiled hair screw (30) with cross recess nut (25);

Shake the hand (29) is connected awl toothholder (24) by conical tooth shaft (27) and awl tooth positioning pipe (26), conical tooth shaft is provided with keyway, is provided with flat key (28) in the keyway, bores tooth (33) by flat key connection second;

The first umbrella bar (2) is provided with down umbrella disk, and following umbrella disk is connected and composed by first self-tapping screw (40) by following umbrella disk loam cake (36) and following umbrella disk lower cover (35), is provided with down umbrella disk positioning sleeve (34) in the following umbrella disk, and following umbrella disk positioning sleeve is connected and fixed on the first umbrella bar;

The second umbrella bar (6) is provided with upper umbrella disc, and upper umbrella disc is connected and composed by first self-tapping screw (40) by upper umbrella disc loam cake (38) and upper umbrella disc lower cover (37), and upper umbrella disc connects the second umbrella bar by second self-tapping screw (39).

2. screw rod parachute-opening structure according to claim 1 is characterized in that described awl toothholder (24) connects the shell of shaking the hand, and the shell of shaking the hand is connected and composed by a left side the shake the hand shell (5), the shell upper and lower covers of shaking the hand (3) of shell (4), the right side of shaking the hand.

3. screw rod parachute-opening structure according to claim 1 is characterized in that the transmission between the described first awl tooth (32) and the second awl tooth (33) is a Bevel Gear Transmission.

4. screw rod according to claim 1 parachute deployment means is characterized in that described upper umbrella disc is a displacement disc, and following umbrella disk is a fixed disk.