CN201712743U - Improved structure of bicycle handlebar stem - Google Patents

Abstract

The utility model discloses an improved structure of a bicycle handlebar stem, which comprises a longitudinal beam part, a transverse beam part, a clipping block and a positioning element; a conical propping space is formed inside an external tooth rim of the clipping block; a positioning block of the positioning element is matched with an elastic part and a conical propping block; when the positioning element is oppositely locked and positioned with the clipping block, the propping block is closely stuck on the wall edge of the propping space under the elastic force of the elastic part; the external tooth rim is expanded and propped open due to groove milling, so as to eliminate the gaps of the external tooth rim on a tooth clamping hole and a tooth rim hole; the external tooth rim can be more closely inlaid and meshed with the teeth of the tooth clamping hole and the tooth rim hole, so as to avoid the conditions of loosening and shaking of the transverse beam part on the longitudinal beam part; therefore, the safety and the comfortability of use are both enhanced.

Description

The structure-improved of bicycle handle vertical tube

Technical field

The utility model provides a kind of structure-improved of bicycle handle vertical tube, especially it is one bevelled against the space to refer to that this clipping block is concaved with, and provide an elastic component and cooperation group to be provided with a taper in locating piece to lean piece, making this textural association use can be more stable, has safety and traveling comfort concurrently.

Background technology

Function when driving for attaching the corresponding various landform road conditions of bicycle, and the comformability that uses in response to various situations and the demand of comfort feature, someone is designed to the whole structure of adjustable angle between vertical tube and the standpipe with the tap of bicycle, make and to adjust when the user drives bicycle, grip the handlebar stem of being located at leading beam tube front end with different elevation, the road conditions that drive in response to landform such as various upward slopes or descendings, and existing on the market adjustable bicycle handle vertical tube structure, it all is to cooperate the holding piece of the outer teeth of tool that stretch through and the state that spiral lock reaches the engagement location with the inlay card aperture of tool teeth, and the bar external diameter of the aperture in inlay card hole and holding piece has the teeth end respectively, in the process of processing, can't accurately reach snap-fit engagement state closely, and has a little gap, make teeth on this holding piece can't effectively be embedded in the teeth end in inlay card hole, make the user drive and be easier in the use produce and become flexible, its teeth also may be because of wearing and tearing under the long-term loosening friction, can't effectively fix the angle person that its desire is used, and then produce the danger on using.

In view of this, utility model people this in manufacturing development and the design experiences of being engaged in Related product for many years, at above-mentioned target, in detail after design and the scrupulous assessment, eventually the utility model of a true tool practicality.

The utility model content

(1) technical matters to be solved

At present, existing on the market adjustable bicycle handle vertical tube structure, it all is to cooperate the holding piece of the outer teeth of tool that stretch through and the state that spiral lock reaches the engagement location with the inlay card aperture of tool teeth, and the bar external diameter of the aperture in inlay card hole and holding piece has the teeth end respectively, in the process of processing, can't accurately reach snap-fit engagement state closely, and has a little gap, make teeth on this holding piece can't effectively be embedded in the teeth end in inlay card hole, make the user drive and be easier in the use produce and become flexible, its teeth also may be because of wearing and tearing under the long-term loosening friction, can't effectively fix the angle that its desire is used, and then the danger in the generation use, this is the technical matters that solves for the utility model desire.

(2) technical scheme of Cai Yonging

For achieving the above object, the utility model provides a kind of structure-improved of bicycle handle vertical tube, it includes: a vertical bundling piece, one horizontal bundling piece, one clipping block and a setting element, one vertical bundling piece is vertically run through is provided with a cover beam hole, one side of this vertical bundling piece convexes with a head end, this head end laterally is equipped with the latch hole of a continuous flank of tooth, the outer ends of one horizontal bundling piece laterally is equipped with one and wears the hole for what handle pipe stretched through that group establishes, opposite side then extends and convexes with two wing seats, and offer a cutting ferrule groove between two wing seats, this wing seat cooperates the latch hole of vertical bundling piece to be equipped with the tip edge hole of the continuous flank of tooth respectively, the cooperation of one clipping block is extended through between the latch hole and tip edge hole of vertical bundling piece and horizontal bundling piece, it has a cap portion, and be extended with the axle that stretches through by a side, this axle that stretches through cooperates latch hole and tip edge hole to be equipped with control tip edge outside tip edge reaches respectively, and this control is from tip edge and the intermarginal eluding groove that more is provided with a suitable spacing of external tooth, inner edge that again should outer tip edge vertically offer a tapered conical shape against the space, and the wall edge of outer tip edge wears to offer a plurality of profile grooves against the space, and be through to by cap portion centre and be provided with a screw against the space, one setting element is by a positioning block, one spiral lock and one leans piece and forms, locating piece has a cap end, and the centre by this cap end one side convexes with one to post, and axially run through and be provided with a perforation, cooperate the spiral lock that stretched through in addition, this spiral lock central authorities appropriate location has the positioning groove of a no thread, leaning piece is the tapered block of a hollow, it cooperates an elastic component to be set in supporting on the post of locating piece, and run through by spiral lock and by positioning groove provide one the location fastener reach spacing, by said structure, to constitute a kind of structure-improved of bicycle handle vertical tube.

(3) technique effect of obtaining

The utility model provides a kind of structure-improved of bicycle handle vertical tube, it is one cone shape against the space that the outer tip edge inside of its clipping block offers, and the locating piece of this setting element is combined with an elastic component and a bevelled piece that leans in addition, when making this setting element and clipping block to locking bit, it leans piece then can more be close to wall edge against the space by strength because of the bullet of elastic component, this outer tip edge is strutted by expansion because of profile groove, to eliminate the gap of external tooth because of latch hole and tip edge hole, can make outer tip edge more closely with the teeth snap-fit engagement in latch hole and tip edge hole, get loose to avoid horizontal bundling piece on vertical bundling piece, to produce, the situation of rocking increases safety and traveling comfort in the use.

Description of drawings

Fig. 1 is a three-dimensional combination figure of the present utility model;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is a view sub-anatomy of the present utility model;

Fig. 4 is an assembled sectional view of the present utility model;

Fig. 5 is the cross-sectional schematic that desire deflection of the present utility model is adjusted;

Fig. 6 is an adjustment illustrative view of the present utility model.

[main element nomenclature]

Vertical bundling piece--10 cover beam hole---11

Fluting----111 lockholes----112

Latch fitting----113 head ends----12

The latch hole---121

Horizontal bundling piece--20 wear the hole---21

Wing seat----22 cutting ferrule groove---221

The tip edge hole---222

Clipping block--30 cap portions----31

Axle stretches through--32 control from tip edge--321

Outer tip edge--322 eluding groove---323

--33 profile grooves----331 against the space

Screw----332

Setting element--40 locating piece---41

----411 support post----412 to the cap end

Perforation----413 spiral lock---42

Positioning groove--421 lean piece---43

Elastic component--431 location fastener--432

The specific embodiment

Understand and understanding for your juror can be had further the purpose of this utility model, feature and effect, below please cooperate [brief description of drawingsfig] to enumerate embodiment now, detailed description is as the back:

At first, see also Fig. 1 earlier, shown in Figure 2, a kind of structure-improved of bicycle handle vertical tube, it includes: a vertical bundling piece 10, one horizontal bundling piece 20, one clipping block 30 and a setting element 40, one vertical bundling piece 10 is vertically run through is provided with a cover beam hole 11, and a side of this cover beam hole 11 has a fluting 111 and cooperation is provided with lockhole 112 and latch fitting 113, one side of this vertical bundling piece 10 convexes with a head end 12, this head end 12 laterally is equipped with the latch hole 121 of a continuous flank of tooth, the outer ends of one horizontal bundling piece 20 laterally is equipped with one and wears hole 21 for what handle pipe stretched through that group establishes, opposite side then extends and convexes with two wing seats 22, and offer a cutting ferrule groove 221 between two wing seats 22, this wing seat 22 cooperates the latch hole 121 of vertical bundling piece 10 to be equipped with the tip edge hole 222 of the continuous flank of tooth respectively, one clipping block 30 cooperates 222 in the latch hole 121 that is extended through vertical bundling piece 10 and horizontal bundling piece 20 and tip edge hole, it has a cap portion 31, and by a side be extended with one stretch through the axle 32, this axle 32 that stretches through cooperates latch hole 121 and tip edge hole 222 to be equipped with control tip edge 322 outside tip edge 321 reaches respectively, and this control 322 of tip edges outside tip edge 321 reaches more are provided with the eluding groove 323 of a suitable spacing, inner edge that again should outer tip edge 322 vertically offer a tapered conical shape against the space 33, and the wall edge of outer tip edge 322 wears to 33 offering a plurality of profile grooves 331 against the space, and be through to against the space 33 by cap portion 31 centre and be provided with a screw 332, one setting element 40 is by a positioning block 41, one spiral lock 42 and one leans piece 43 and forms, locating piece 41 has a cap end 411, and the centre by these cap end 411 1 sides convexes with one to post 412, and axially run through and be provided with a perforation 413, cooperate the spiral lock 42 that stretched through in addition, these spiral lock 42 central appropriate locations have the positioning groove 421 of a no thread, leaning piece 43 is the tapered block of a hollow, it cooperates an elastic component 431 to be set in supporting on the post 412 of locating piece 41, and run through by spiral lock 42 and provide a location fastener 432 to reach spacing by positioning groove 421.

The composition of its structure, see also Fig. 2 again, Fig. 3, shown in Figure 4, its horizontal bundling piece 20 is that cutting ferrule groove 221 clips with 22 of wing seats are on the head end 12 of vertical bundling piece 10, and the tip edge hole 222 that wing seat 22 is worn is run through with the latch hole 121 of head end 12 and is communicated, and this clipping block 30 is to insert to stretch with the axle 32 that stretches through to insert 222 in latch hole 121 and tip edge hole, and locate with the mutual clip of the teeth in latch hole 121 and tip edge hole 222 from tip edge 321 and outer tip edge 322 with the control that outer ring edge forms, cooperate the screw lock group to establish a setting element 40 by opposite side again, its setting element 40 lean piece 43 be arranged in clipping block 30 in space 33, and make spiral lock 42 screw locks in the screw 332 of clipping block 30, locating piece 41 then is the outer rim that is resisted against wing seat 22 with cap end 411, this moment this lean 43 of pieces can because of elastic component 431 forward bullet by more being close to against the space 33 inner frieze, make the outer tip edge 322 of this clipping block 30 be supported because of profile groove 331, to eliminate clipping block 30 in latch hole 121 and 222 gaps that have, tip edge hole, make the outer tip edge 322 of clipping block 30 and the chimeric more closely location of teeth in latch hole 121 and tip edge hole 222, by said structure, to constitute a kind of structure-improved of bicycle handle vertical tube.

The use of its structure, continuous seeing also consulted Fig. 3, Fig. 4 also cooperates shown in Figure 1, this vertical bundling piece 10 is to be placed on the standpipe of bicycle front fork extension by 11 groups of cover beam holes, cooperate latch fitting 113 screw locks to reach the fixing state of packing by lockhole 112 again, and cooperate and be equipped with handle pipe by the hole 21 of wearing of horizontal bundling piece 20, by this in order to do to reach running condition, and this horizontal bundling piece 20 is the angle that can use with user's desire and deflect adjustment on vertical bundling piece 10, when its desire is adjusted this horizontal bundling piece 20, be earlier setting element 40 to be unscrewed 33 (as shown in Figure 5) that break away from clipping block 30 against the space, again with clipping block 30 slightly outside outer displacement makes tip edge 322 be in the cutting ferrule groove 221 of 22 of two wing seats and 121 engagements of latch hole, and eluding groove 323 is in the tip edge hole 222 of a flank seat 22, make the teeth in this tip edge hole 222 not limited by the inlay card of control tip edge 322 outside tip edge 321 reaches of clipping block 30, deflect on the horizontal bundling piece 20 can be adjusted the angle (as shown in Figure 6) that desire is used, last again clipping block 30 being inserted makes the teeth of control from tip edge 321 and outer tip edge 322 and latch hole 121 and tip edge hole 222 reach the state of snap-fit engagement, and combine with setting element 40 screw locks, can be once more the fixing angle of horizontal bundling piece 20 on vertical bundling piece 10, by this in order to do reaching the start of adjustment, to increase the practicality that this vertical tube uses.

Structure by above-mentioned specific embodiment, can obtain following benefit: the utility model provides a kind of structure-improved of bicycle handle vertical tube, it is one cone shape against the space 33 that outer tip edge 322 inside of its clipping block 30 offer, and the locating piece 41 of this setting element 40 is combined with an elastic component 431 and a bevelled piece 43 that leans in addition, when making this setting element 40 with 30 pairs of locking bits of clipping block, it leans 43 of pieces can more be close to against the space 33 wall edge because of the bullet of elastic component 431 by strength, this outer tip edge 322 is strutted by expansion because of profile groove 331, in order to do to eliminate outer tip edge 322 in latch hole 121 and the gap in tip edge hole 222, can make outer tip edge 322 more closely with the teeth snap-fit engagement in latch hole 121 and tip edge hole 222, get loose to avoid horizontal bundling piece 20 on vertical bundling piece 10, to produce, the situation of rocking increases safety and traveling comfort in the use.

In sum, the utility model has reached breakthrough structure design really, and has the utility model content of improvement, can reach simultaneously usability and progressive on the industry again, and the utility model do not see any publication, also have a novelty, when the regulation that meets the relevant law of patent law, the whence proposes novel patent application in accordance with the law, earnestly asks the juror of an ancient unit of weight office and authorizes legal monopoly power, and most sense is prayed.

Only the above person only is a preferred embodiment of the present utility model, when can not with the scope implemented of qualification the utility model; Promptly the equalization of being done according to the utility model claim scope generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims (3)

1. the structure-improved of a bicycle handle vertical tube, it includes a vertical bundling piece, a horizontal bundling piece, a clipping block and a setting element, this vertical bundling piece is vertically run through is provided with a cover beam hole, and a side of this vertical bundling piece convexes with a head end, and this head end laterally is equipped with the latch hole of a continuous flank of tooth; This horizontal bundling piece one side is then extended and is convexed with two wing seats, and offers a cutting ferrule groove between two wing seats, and this wing seat cooperates the latch hole of vertical bundling piece to be equipped with the tip edge hole of the continuous flank of tooth respectively; This clipping block cooperation is extended through between the latch hole and tip edge hole of vertical bundling piece and horizontal bundling piece, this clipping block has a cap portion, and be extended with the axle that stretches through by a side, this axle that stretches through cooperates latch hole and tip edge hole to be equipped with control tip edge outside tip edge reaches respectively, and this control is characterized in that from tip edge and the intermarginal eluding groove that more is provided with of external tooth:

The outer tip edge inner edge of clipping block vertically offered a tapered conical shape against the space, and the wall edge of outer tip edge wears to offer a plurality of profile grooves against the space, and be through to by cap portion centre and be provided with a screw against the space, one setting element is by a positioning block, one spiral lock and one leans piece and forms, locating piece has a cap end, and the centre by this cap end one side convexes with one to post, and axially run through and be provided with a perforation, cooperate the spiral lock that stretched through in addition, this spiral lock central authorities appropriate location has the positioning groove of a no thread, leaning piece is the tapered block of a hollow, it cooperates an elastic component to be set in supporting on the post of locating piece, and run through by spiral lock and provide a location fastener to reach spacing by positioning groove.

2. the structure-improved of bicycle handle vertical tube according to claim 1 is characterized in that, a side of this cover beam hole has a fluting and cooperation is provided with lockhole and latch fitting.

3. the structure-improved of bicycle handle vertical tube according to claim 1 is characterized in that, a side of this horizontal bundling piece laterally is equipped with one and wears the hole for what handle pipe stretched through that group establishes.

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