CN2223711Y

CN2223711Y - Non section type telescopic handle bar for luggage car vehicle

Info

Publication number: CN2223711Y
Application number: CN 94244544
Authority: CN
Inventors: 张福荣
Original assignee: FUJU Co Ltd
Current assignee: FUJU Co Ltd
Priority date: 1994-11-01
Filing date: 1994-11-01
Publication date: 1996-04-03
Anticipated expiration: 2004-11-01

Abstract

The utility model relates to a stepless telescopic handle bar for a trunk vehicle, and mainly utilizes that the eccentric convex posts at both ends of a rotating handle drive a pull bar inside an inner bar to move up and down. When the pull bar moves, the inner bar and an outer bar are positioned or relatively slip by a friction force-combining or a separating mode so that the telescopic handle bar is adjusted into the most appropriate height position according to the height of a person so as to be conveniently used.

Description

The stepless expansion link of luggage boxcar

A kind of stepless expansion link of luggage boxcar, mainly be to be that button hole and shell fragment are buckled solid at each specific locating point at traditional luggage boxcar expansion link, and user Ke Yi individual's height selects a comparatively suitable button hole that expansion link is located, and make the height of expansion link handle be fit to the user as far as possible, but because the position of expansion link location only has several, event is the vast user of perfect fitting one by one, so the applicability of this product is just not good, and the utility model is the expansion link for a kind of stepless, structure is ingenious, can solve above-mentioned traditional problem fully.

Because the raising of quality of life, make and to travel in recent years general mood highest, therefore general luggage boxcar use amount is more frequent, and more the structural improvement of luggage case car focuses on and increases on the intensity, or on easy-to-use, set about, but seldom consider for the traveling comfort of user when using the luggage boxcar, because intensity can be by control of material, and current luggage boxcar demand does not singly require light and freely easy to use, more to be fit to the height that each user uses luggage boxcar custom, but on this demand, conventional confguration does not have very good design, please referring to shown in Figure 5, common luggage boxcar be provided with one with the fixing base plate 72 of leather trunk 90, the then perpendicular expansion link structure that is provided with of these base plate 72 1 sides, draw the handle 73 of (or pushing away) moving expansion link end and promote baggage car by the user, wherein this expansion link is to be two intercept forms mostly, promptly outer bar 70 and interior bar 71, its China and foreign countries' bar 70 directly and base plate 72 affixed, and shaft one side of bar 70 is respectively equipped with several button holes 701 outside, this button hole 701 is to use for the location, but be designed to mostly about three, be the design of the flexible location of syllogic, interior bar 71 then stretches in the outer bar 70,71 on bar then is connected with a fixed handle 73 in two, below handle 73, establish an active pull rod 80 again, these pull bar 80 two ends are provided with thin bar (not shown) in interior bar 71 inside respectively, just the thin bar in spurring when utilizing drawing pull bar 80 in the bar 71, then be provided with the shell fragment 81 that end has button column on the thin bar, the projection of this shell fragment 81 can be detained on the solid bar 70 outside in all button holes 701 and reach with interior bar 71 and be positioned at outer bar 70 a certain certain location, just can reach whole by interior, outer bar 71,70 the height that stretches and reach, and the user is according to its height or use habit, can only be at the height of all designed plurality of sections, choose the location adjustment that is fit to the height of oneself, use go-cart.

Because traditional structure does not have special design, then has all following shortcoming in practicality:

1 because each user's height is different, and everyone uses the height of luggage boxcar custom adjustment handle indefinite, and use go-cart with " draw " or " push away ", again or also need have during upper and lower stair (slope) different handle height to use with convenient, but tradition is adjusted expansion link and is had only several " segmentation ", can not adjust the height that is fit to fully, so it uses the shortcoming that inconvenience is arranged.

Even the location hop count of the expansion link of 2 hand push luggage boxcars can be increased again, but owing to increase the idea of hop count, not only increase the cost of processing and part, moreover also will influence the intensity of outer bar itself, please referring to shown in Figure 5, be to be certain spacing L promptly as 701 of two button holes, if increase the number that hop count promptly increases button hole 701, the spacing L that is per two button holes 701 just shortens, because outer bar 70 sidepiece punchings are too much, and then its intensity is just not good, therefore do not adopted relatively by insighted manufacturer, so the flexible hop count of go-cart is all few, it is not very convenient comfortable therefore using.

Main purpose of the present utility model is: the stepless expansion link that a kind of luggage boxcar is provided, its design has a rotating handles, its two end is established eccentric projection again, projection is risen or decline, the upper and lower displacement of pull bar in just can driving in the bar, when displacement can with friction compel to close or the mode of separating make in bar and outer bar location or slippage relatively, make expansion link can comply with individual height and be adjusted to optimal height and position, in the use very easily and very practical.

The technical solution of the utility model is: a kind of stepless expansion link of luggage boxcar is provided, and it is one to constitute an expansion link by interior bar and outer bar at least, and wherein interior bar is provided in a side of outer bar inside, is primarily characterized in that:

Bar upper end cover is installed with the elbow of through hole in two, and is provided with a rotating handles between double section belt arm, and wherein the inboard of elbow convexes with protruded tube, is provided with baffle plate in the inner vertical side of through hole in addition,

Bar in-to-in pull bar is at one end to be formed with column cap in being located at, and on column cap, be provided with an allocating slot, run through then that piece is compeled in a support and to compel piece affixed with being pyramidal awl at the pull bar other end, it is to be a column body that its support is compeled piece, its top is affixed with interior bar, and other end inboard is provided with the awl groove, and establishes and form several pieces shell fragments vertically to cut in all sides

Rotating handles is that a cylindrical body is set, and the end face at its two ends is provided with the accentric projection, and this projection stretches into the sidepiece of elbow through hole Internal baffle, also stretches in the allocating slot of pull bar simultaneously; Then when the turn rotating handles by the rotation of eccentric projection upwards (or down), drive the displacement of pull bar and make awl compel to compel on the piece at (or release) awl groove, compel the piece week shell fragment that forms of side and outwards strut and will keep off, bar is located with outer bar in making.

The stepless expansion link of aforesaid luggage boxcar is characterized in that: baffle plate has been provided with the upper and lower retaining arc of block effect near the through hole centerline side.

The stepless expansion link of aforesaid luggage boxcar is characterized in that: the mode that the urgent piece of support engages with interior bar can be at its top constriction formation protuberance and under the pressure of interior bar.

The stepless expansion link of aforesaid luggage boxcar, it is characterized in that: rotating handles can knockdownly design, promptly establish a cylindrical body, this body can vertically form the ring cutting groove along the recessed one deck of cutting of its round bar appearance in a side, the end face at body two ends is respectively equipped with protruding pin in addition, it is respectively equipped with two sleeve columns, and sleeve column one end is provided with slot and compels to insert with protruding pin, then be provided with the accentric projection on the other end end face, establish a side arc slice in addition and be just and the ring cutting groove involutory, and at side arc slice and the involutory column that promptly forms of ring cutting groove, but the length of side arc slice is long than the length of body, and just to add the length of two side protruding pins identical with body length, and then side arc slice is involutory behind the ring cutting groove, establish two arc cover sheets in addition and can cover the top that is combined in protruding pin, just make body, side arc slice and protruding pin form a whole structure as column.

Owing to the utlity model has special design,, have the advantage of aspects so using in the enforcement:

1 the utility model can be fixed expansion link at the optional position turn handle in the flexible scope of interior bar, can be fit to customer's oneself height, custom or because of the required differing heights in ground, all regulates freely, uses very convenient.

2 the utility model bar side are outside established button hole, so can not destroy its intensity, its intensity is traditional comparatively speaking is good with material, because of not being damaged.

Further specify specific structural features of the present utility model and effect below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is STRUCTURE DECOMPOSITION figure of the present utility model.

Fig. 2 is the plane structure chart of elbow of the present utility model over against through hole.

Fig. 3 is an assembled sectional view of the present utility model.

Fig. 4 is that illustration is implemented in use of the present utility model.

Fig. 5 is conventional confguration and implements illustration.

Though the utility model explains with the luggage boxcar, its structure can be used in the go-cart of various tool expansion links, so if the expansion link of various go-cart is to use structure of the present utility model still to belong to the utility model content, special statement earlier.

The utility model is the expansion link design for a kind of stepless, please referring to Fig. 1, shown in Figure 2, so-called herein expansion link is made of an external bar 10 and interior bar 11, its China and foreign countries' bar 10 does not need as traditional button hole processing, bar 11 upper end are arranged with elbow 12 in two, and this elbow 12 is solid on interior bar 11 (please referring to shown in Figure 1) with screw (among the figure not label) spiral shell, then be provided with a rotating handles 4 12 of double section belt arms, wherein the swan-neck central authorities of elbow 12 are provided with through hole 14, and be provided with protruded tube 13 with rotating handles 4 end that joins, these protruded tube 13 ends are formed with bulge loop 15, again please referring to shown in Figure 2, through hole 14 inner vertical sides of bend pipe 12 1 ends are provided with baffle plate 16, and this baffle plate 16 is provided with near through hole 14 centerline side, under keep off arc 17,18.

Please referring to Fig. 1, shown in Figure 3, pull bar 20 at one end is formed with column cap 21, and on column cap 21, be provided with an allocating slot 22, then running through a support at pull bar 20 other ends compels the mesopore 33 of piece 30 and is fixed in the end face 24 that awl is compeled piece 23, it is to be a column body that its support is compeled piece 30, its top constriction forms protuberance 32 can be under the pressure of interior bar 11 terminal internal diameters, and support to compel piece 30 other end inboards be to be provided with awl groove 34 as shown in Figure 3, and establish and form several pieces shell fragments 31 vertically to cut in all sides; The urgent piece 23 of awl is to be a cone in addition.

Please referring to shown in Figure 1, rotating handles 4 is to be provided with a cylindrical body 40, this body 40 can vertically form ring cutting groove 401 along the recessed one deck of cutting of its round bar appearance in a side, the end face at body 40 two ends is respectively equipped with protruding pin 42 in addition, it establishes two sleeve columns 50 respectively, and sleeve column 50 1 ends are provided with slot 52 and compel to insert with protruding pin 42, then are provided with accentric projection 51 on the other end end face; Other be provided with a side arc slice 41 be just and ring cutting groove 401 involutory, and at side arc slice 41 and the ring cutting groove 401 involutory columns that promptly form, but the length of side arc slice 41 is long than the length of body 40, and just to add the length of two side protruding pins 42 identical with body 40 length, then side arc slice 41 is involutory behind ring cutting groove 401, be provided with two arc cover sheets 43 in addition and can cover the top that is combined in protruding pin 42, just make body 40, side arc slice 41 and protruding pin 42 form a whole structure as column, establish again with screw 60 will cover that sheet 43 is spun on the protruding pin 42 and can be respectively with the sleeve column 50 1 end clampings of two sides, the eccentric projection 51 of sleeve column 50 other ends then can stretch into the sidepiece (please referring to shown in Figure 2) of elbow through hole 14 Internal baffles 16, and projection 51 is to stretch in the dial hole 22 of pull bar 20 simultaneously.

Please referring to shown in Figure 1, when stretching high certain height at interior bar 11, the utility model (supposes that this is the required handle height of user), then please referring to Fig. 1, shown in Figure 2, this moment, eccentric projection 51 was to be positioned at retaining arc 18 places down, just eccentric projection 51 rotations that drive sleeve column 50 when turn rotating handles 4 make progress, this projection 51 is owing to be to stretch in the allocating slot 22 of pull bar 20 terminal column caps 21, so extension bar 20 upwards can be dialled, as shown in Figure 2, when eccentric projection 51 drives pull bar 20 supreme retaining arcs 17 positions, be the displacement of pull bar 20 maximums just, bore urgent piece 23 and made progress under the pressure of in the awl groove 34 by drawing this moment as shown in Figure 4, will keep off the shell fragment 31 of compeling piece 30 all sides formation simultaneously and outwards strut, then can form very big and enough friction, bar 11 and outer bar 10 location in making with outer bar 10 inwalls.

Claims

The stepless expansion link of 1 one kinds of luggage boxcars, it is one to constitute an expansion link by interior bar and outer bar at least, wherein interior bar is to be provided with bar inside outside, it is characterized in that:

Bar upper end cover is installed with the elbow of through hole in two, and is provided with a rotating handles between double section belt arm, and wherein the inboard of elbow convexes with protruded tube, is provided with baffle plate in the inner vertical side of through hole in addition,

Bar in-to-in pull bar is at one end to be formed with column cap in being located at, and on column cap, establish an allocating slot, run through then that piece is compeled in a support and to compel piece affixed with being pyramidal awl at the pull bar other end, it is to be a column body that its support is compeled piece, its top is affixed with interior bar, and other end inboard is provided with the awl groove, and establishes and form several pieces shell fragments vertically to cut in all sides

Rotating handles is that a cylindrical body is set, the end face at its two ends is provided with the accentric projection, this projection stretches into the sidepiece of elbow through hole Internal baffle, also stretch in the allocating slot of pull bar simultaneously, then when the turn rotating handles by the rotation of eccentric projection upwards (or down), drive the displacement of pull bar and make on the urgent piece of awl and bore groove, outwards strut, bar and outer bar location in making and will keep off the shell fragment of compeling the side formation of piece week under the pressure of (or release).
The stepless expansion link of 2 luggage boxcars according to claim 1 is characterized in that: baffle plate has been provided with the upper and lower retaining arc of block effect near the through hole centerline side.
The stepless expansion link of 3 luggage boxcars according to claim 1 is characterized in that: the mode that the urgent piece of support engages with interior bar can be at its top constriction formation protuberance and under the pressure of interior bar.
The stepless expansion link of 4 luggage boxcars according to claim 1, it is characterized in that: rotating handles can knockdownly design, promptly establish a cylindrical body, this body is respectively equipped with protruding pin, it is respectively equipped with two sleeve columns, and sleeve column one end is provided with slot and compels to insert with protruding pin, then be provided with the accentric projection on the other end end face, be provided with a side arc slice in addition and be just and the ring cutting groove involutory, and at side arc slice and the involutory column that promptly forms of ring cutting groove, but the length of side arc slice is long than the length of body, and just to add the length of two side protruding pins identical with body length, then side arc slice is involutory behind the ring cutting groove, is provided with two arc cover sheets in addition and can covers the top that is combined in protruding pin, just makes body, side arc slice and protruding pin form a whole structure as column.