CN201606360U - Clutch operating device for telescopic support frame - Google Patents

Abstract

The utility model discloses a clutch operating device for a telescopic support frame, which overcomes the defects of the prior product such as large operating force and easiness to increase the friction and the noise. The clutch operating device comprises a casing (1) and a button (6) arranged on the outer wall of the casing (1); one end of the button (6) is movably hinged with the outer wall of the casing (1), and the other end thereof is limited at a gear (11) on the outer wall of the casing (1); a sleeve (2) is fixed in an inner cavity (8) of the casing (1); a piston rod (4) capable of vertically moving is arranged in the sleeve (2); a rod body (7) of the piston rod (4) extends from a central through hole of the sleeve (2); a clamping groove (10) is formed at the head part of the piston rod (4); and a connecting rod (3) is arranged between the clamping groove (10) and an inner wall (9) at the upper end of the button (6). The clutch operating device has the advantages of simple structure and convenient operation and is particularly suitable for being matched with music book shelves, microphones or projectors and other telescopic support frames.

Description

The clutch operating device of flexible supporter

Technical field

The utility model relates to a kind of flexible supporter product manufacturing technology fields such as music score, MIC microphone or projector of shelving, and especially refers to the clutch operating device of tensioning locating device in the flexible supporter.

Background technique

People are combined by the inside and outside circular pipe of two joints usually at the common music score in meeting room, arenas or dance hall, MIC microphone or projector mount, and its middle external tube and base fix as column, and interior Guan Ze stretches at outer tube bore and regulates height.This type of early production is in lateral attitude, outer tube upper end one set screw nut to be installed, and makes its location by the nut end crown on inner tubal wall, because there is defectives such as easily staying location vestige, generation bright spot and depression on the inner tubal wall in it and progressively eliminates; The someone had invented and a kind ofly in outer tube upper end lengthwise position one thread bush had been installed afterwards, the inner end of thread bush is made taper, and during the rotation thread bush, inner taper makes the outer tube reducing and interior pipe is located, but this product also exists governing speed slow, needs the shortcoming of bimanualness, inconvenience; State Intellectual Property Office on August 8th, 2007 notice of authorization name to be called " support movable joint tension device " patent No. be the utility model patent technology of ZL200620081982.2, comprise " the locking mechanism of support; this locking mechanism is set to the reducing buckle structure; the lower end of described locking mechanism connects micro-regulation structure; above-mentioned locking mechanism is provided with self-locking structure ... snap ring is arranged in the space between spring stable base and the controlling mechanism; push switch is connected with snap ring, provide and fix very firmly, and do not allow flimsy support slip-knot tension device." still, the push switch of this product is to directly act on the snap ring, the power of pressing not only required during use is big, and because snap ring is a wallowing motion, easy and outer wall of inner tube produces friction and noise, influences normally and uses.For this reason, people generally expect the elasticity of tensioning locating device in a kind of can axially the manipulation rise the pawl action, required by little, the interior pipe height of power regulate friction less, flexible supporter clutch operating device that noise is low comes out.

The model utility content

The technical problems to be solved in the utility model be overcome manipulation that prior art products exists greatly, easily make by power in pipe produce defective and the deficiency that skew increases friction and noise, to society provides a kind of can axially the manipulation in the elasticity of tensioning locating device rise the pawl action, required regulate by little, the interior pipe height of power rub less, flexible supporter clutch operating device that noise is low.

The technological scheme that its technical problem that solves the utility model adopts is: the clutch operating device of flexible supporter, comprise housing and the button of being located at described housing outer wall, one end of described button is movably hinged mutually with described housing outer wall, and the other end is terminated in the retaining mouth of described housing outer wall; Described housing inner chamber is fixed with a sleeve pipe, is provided with piston rod moving up and down in the described sleeve pipe, and the body of rod of described piston rod stretches out through described sleeve pipe central through bore; The head tool draw-in groove of described piston rod is provided with connecting rod between described draw-in groove and the described button upper end inwall.

Be provided with spring between described piston rod head and the described sleeve pipe drain pan.

The utility model product is by being provided with connecting rod between the draw-in groove of piston rod head and button upper end inwall, the radial force that can make the user hold button formation converts vertical axial pressure to, help in the flexible supporter elasticity of tensioning locating device rise pawl with stop bulging steady clutch, the noise of reducing friction improves operational reliability.Because the lever principle of connecting rod can impose less button and then produce bigger downward top power by the power connecting rod, the facility that helps highly regulating is handled again.Compare than prior art products, have characteristics simple in structure, that manipulation is light, the supporting application that is particularly suitable for Yu shelves flexible supporters such as music score, MIC microphone or projector.

Description of drawings

Fig. 1 is the assembly structure schematic representation of the utility model product.

Embodiment

As shown in Figure 1, the clutch operating device of the utility model flexible supporter, comprise the housing 1 and the button 6 of being located at described housing 1 outer wall of tool inner chamber 8, an end of described button 6 is movably hinged mutually with described housing 1 outer wall, and the other end is terminated in the retaining mouth 11 of described housing 1 outer wall; Described housing 1 inner chamber 8 is fixed with a sleeve pipe 2, is provided with piston rod 4 moving up and down in the described sleeve pipe 2, and the body of rod 7 of described piston rod 4 stretches out through described sleeve pipe 2 central through bores; The head tool draw-in groove 10 of described piston rod 4 is provided with connecting rod 3 between described draw-in groove 10 and the described button 6 upper end inwalls 9; Be provided with spring 5 between described piston rod 4 heads and described sleeve pipe 2 drain pans.

Continue in conjunction with the accompanying drawings the working principle of narration the utility model product below.When the elasticity of tensioning locating device rises by pawl (be arranged in the body of rod 7 belows, accompanying drawing omits) in people need handle, by pressing the button 6, button 6 upper end inwalls 9 promote connecting rod 3, this moment is owing to be subjected to the guiding of sleeve pipe 2 inwalls, connecting rod 3 lower ends vertically move down piston rod 4 after acting on piston rod 4 draw-in grooves 10, elasticity is risen by in the body of rod 7 lower ends, and the top is from the drum of stopping downwards for pawl, and the expanding force of interior tensioning locating device disappears, and at this moment people can regulate height arbitrarily.After arriving needed height, only need release button 6, piston rod 4 is replied under spring 5 effects, moves on the body of rod 7, and the elasticity pawl that rises is fitted with the drum of stopping again, and the expanding force of interior tensioning locating device produces also realizes the location; Make connecting rod 3 drive buttons 6 return back to original state owing to moving on the piston rod 4 this moment.

Claims (2)

1. the clutch operating device of a flexible supporter, comprise housing (1) and be located at the button (6) of described housing (1) outer wall, one end of described button (6) is movably hinged mutually with described housing (1) outer wall, and the other end is terminated in the retaining mouth (11) of described housing (1) outer wall; It is characterized in that: described housing (1) inner chamber (8) is fixed with a sleeve pipe (2), is provided with piston rod moving up and down (4) in the described sleeve pipe (2), and the body of rod (7) of described piston rod (4) stretches out through described sleeve pipe (2) central through bore; The head tool draw-in groove (10) of described piston rod (4) is provided with connecting rod (3) between described draw-in groove (10) and described button (6) the upper end inwall (9).

2. the clutch operating device of flexible supporter according to claim 1 is characterized in that: be provided with spring (5) between described piston rod (4) head and described sleeve pipe (2) drain pan.