CN104229044A - Inner wedge tongue locked folding stem - Google Patents
Inner wedge tongue locked folding stem Download PDFInfo
- Publication number
- CN104229044A CN104229044A CN201310243543.1A CN201310243543A CN104229044A CN 104229044 A CN104229044 A CN 104229044A CN 201310243543 A CN201310243543 A CN 201310243543A CN 104229044 A CN104229044 A CN 104229044A
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- China
- Prior art keywords
- base
- bolt
- wedge tongue
- wedge
- standpipe
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Abstract
The invention discloses an inner wedge tongue locked folding stem comprising a vertical tube, a base, an inner extension tube, a handled bolt and an inner wedge tongue. The vertical tube is an expanded tube stamping in the shape of a funnel with big end down and two bottom connective lugs. The connective lugs at the bottom of the vertical tube are connected with a wedged coil of the base. The inner extension tube is fixedly connected to the middle of the base. The handled bolt is rotatably connected to the bottom of the vertical tube; the handled bolt and the inner wedge tongue are fitted to the vertical tube; the inner wedge tongue is connected to a hole arranged in the folded edge of the base. Compared with the prior art, the inner wedge tongue locked folding stem has the advantages that production cost of the stems is decreased, the stems are locked by means of locking with the inner wedge tongue, the structure of the stems is simplified, and by means of welding to connect the base and the inner extension tube, the stems can be adjusted in batch for adjustment of forward inclination, according to bicycle types and different customer demands.
Description
Technical field
The present invention relates to a kind of interior wedge tongue locking type foldable handle stem.
Background technology
Occur increasing folded bicycle in the market, foldable bar vertical pipe used is also varied, and locking mode is also each different, but does not find wedge tongue locking type foldable handle stem in the simple and actv. of locking type so far.
Summary of the invention
Goal of the invention: the object of the invention is to solve the deficiencies in the prior art, provides a kind of interior wedge tongue locking type foldable handle stem.
Technical scheme: in order to realize above object, interior wedge tongue locking type foldable handle stem of the present invention, it comprises standpipe, base, inside extending tube, band bolt and interior wedge tongue, described standpipe is connected bolt by band with base rotation, described inside extending tube is located at the bottom of base, and described interior wedge tongue is located between standpipe and base.
Described standpipe is for being first expand tube backlash swaging funneling, bottom it, above bell mouth, there is a catch at 3cm place, in bottom while punching has the opening of I shape, and outwards rout up two engaging lugs, described engaging lug is provided with earhole, in engaging lug, top is provided with a through bolt hole, in the below of the bolt hole on two engaging lug opposites, be provided with the guide hole of wedge tongue in a cooperation, notch before the below of described interior wedge tongue guide hole is provided with, and in the both sides of front notch and two engaging lugs, respectively have groove.
Described base, it is the punching press device of a sheetmetal, one sideband flanging, another sideband inclined wedge-shaped volume circle, flanging is provided with the locking hole of the described interior wedge tongue of a cooperation, respectively prominent with a shoulder in the both sides of flanging and inclined wedge-shaped volume circle, the centre of described base is also provided with the hole connecting described inside extending tube, described interior refreshing pipe is fixedly connected with base through welding, the inclined wedge-shaped volume circle of described base is by being rotatably connected to the engaging lug on bolt and described standpipe, two shoulders of described base are prominent to match with the both sides groove of described standpipe, match with the front notch of described standpipe in the bottom surface of described base flanging.
Described band is bolt, that the head of bolt is fixedly connected with an aluminum alloy hand handle, hand has upper cover the rubber coating matched with it, described band is provided with a screw the bottom of bolt, described interior wedge tongue is a sheetmetal blanked part, its top lopping, screw is provided with in collar aperture, bottom becomes the blanked part of wedge, described band bolt penetrate standpipe to perforation in, and be screwed in the screw of described interior wedge tongue, described band stud base be screwed into one resistance to fall Bolt to position, the wedge of described interior wedge tongue slides in the guide hole of described standpipe bottom.
Beneficial effect: interior wedge tongue locking type foldable handle stem of the present invention, has the following advantages: the mode of production adopting expand tube and punching press, reduces the cost of this product; In utilizing, the locking mode of wedge tongue, makes it not only achieve the effect of locking, and also simplify the structure of this product; The mode utilizing base and inside extending tube to be welded to connect, makes the demand that this foldable bar vertical pipe can be different with client according to vehicle, carries out batch forward leaning angle that adjustment is different.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 appearance schematic diagram of the present invention;
Fig. 3 is folding effect figure of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Embodiment
Wedge tongue locking type foldable handle stem in one as shown in Figure 1, it comprises standpipe 1, base 2, inside extending tube 3, band bolt 4 and interior wedge tongue 5, described standpipe 1 is rotationally connected bolt 4 and base 2 by band, described inside extending tube 3 is located at the bottom of base 2, and described interior wedge tongue 5 is located between standpipe 1 and base 2.
Described standpipe 1 is for being first expand tube backlash swaging funneling, bottom it, above bell mouth, there is a catch at 3cm place, in bottom while punching has the opening of I shape, and outwards rout up two engaging lugs, described engaging lug is provided with earhole, in engaging lug, top is provided with a through bolt hole, and the below of the bolt hole on two engaging lug opposites of described standpipe 1, is provided with the guide hole of wedge tongue 5 in a cooperation; Described base 2 is punching press devices of a sheetmetal, a sideband flanging, another sideband inclined wedge-shaped volume circle, flanging is provided with the locking hole of the described interior wedge tongue 5 of a cooperation, and respectively prominent with a shoulder in the both sides of flanging and inclined wedge-shaped volume circle, the centre of described base 2 is also provided with the hole connecting described inside extending tube 3; Described band is bolt 4, and be that the head of bolt is fixedly connected with an aluminum alloy hand handle, hand has upper cover the rubber coating matched with it, and described band is provided with a screw the bottom of bolt 4; Described interior wedge tongue 5 is sheetmetal blanked parts, and its top lopping, is provided with screw in collar aperture, and bottom becomes the blanked part of wedge, notch before the below of described interior wedge tongue 5 guide hole is provided with, and in the both sides of front notch and two engaging lugs, respectively has groove.
Described interior refreshing pipe 3 is fixedly connected with base 2 through welding, the inclined wedge-shaped volume circle of described base 2 is by being rotatably connected to the engaging lug on bolt and described standpipe 1, two shoulders of described base 2 are prominent to match with the both sides groove of described standpipe 1, matches with the front notch of described standpipe 1 in the bottom surface of described base 2 flanging.Described band bolt 4 penetrate standpipe 1 in perforation, and be screwed in the screw of described interior wedge tongue 5, described band be screwed into bottom bolt 4 one resistance to fall Bolt to position, the wedge of described interior wedge tongue 5 slides in the guide hole of described standpipe 1 bottom.
Claims (4)
1. wedge tongue locking type foldable handle stem in a kind, it is characterized in that: it comprises standpipe (1), base (2), inside extending tube (3), band bolt (4) and interior wedge tongue (5), described standpipe (1) is rotationally connected bolt (4) and base (2) by band, described inside extending tube (3) is located at the bottom of base (2), and described interior wedge tongue (5) is located between standpipe (1) and base (2).
2. wedge tongue locking type foldable handle stem in one according to claim 1, it is characterized in that: described standpipe (1) is first expand tube backlash swaging funneling, above bell mouth, there is a catch at 3cm place, in bottom while punching has the opening of I shape, and outwards rout up two engaging lugs, described engaging lug is provided with earhole, in engaging lug, top is provided with a through bolt hole, in the below of the bolt hole on two engaging lug opposites, be provided with the guide hole of wedge tongue (5) in a cooperation, notch before the below of described interior wedge tongue (5) guide hole is provided with one, and in the both sides of front notch and two engaging lugs, respectively have groove on one side.
3. wedge tongue locking type foldable handle stem in one according to claim 1, it is characterized in that: described base (2), it is the punching press device of a sheetmetal, one sideband flanging, another sideband inclined wedge-shaped volume circle, flanging is provided with the locking hole of the described interior wedge tongue (5) of a cooperation, respectively prominent with a shoulder in the both sides of flanging and inclined wedge-shaped volume circle, the centre of described base (2) is also provided with the hole connecting described inside extending tube (3), described interior god's pipe (3) is fixedly connected with base (2) through welding, the inclined wedge-shaped volume circle of described base (2) is by being rotatably connected to the engaging lug on bolt and described standpipe (1), two shoulders of described base (2) are prominent to match with the both sides groove of described standpipe (1), match with the front notch of described standpipe (1) in the bottom surface of described base (2) flanging.
4. wedge tongue locking type foldable handle stem in one according to claim 1, it is characterized in that: described band is bolt (4), that the head of bolt is fixedly connected with an aluminum alloy hand handle, hand has upper cover the rubber coating matched with it, described band is provided with a screw the bottom of bolt (4), described interior wedge tongue (5) is a sheetmetal blanked part, its top lopping, screw is provided with in collar aperture, bottom becomes the blanked part of wedge, described band bolt (4) penetrate standpipe (1) to perforation in, and be screwed in the screw of described interior wedge tongue (5), described band bolt (4) bottom be screwed into one resistance to fall Bolt to position, the wedge of described interior wedge tongue (5) slides in the guide hole of described standpipe (1) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310243543.1A CN104229044A (en) | 2013-06-19 | 2013-06-19 | Inner wedge tongue locked folding stem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310243543.1A CN104229044A (en) | 2013-06-19 | 2013-06-19 | Inner wedge tongue locked folding stem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104229044A true CN104229044A (en) | 2014-12-24 |
Family
ID=52218145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310243543.1A Pending CN104229044A (en) | 2013-06-19 | 2013-06-19 | Inner wedge tongue locked folding stem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104229044A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6581492B1 (en) * | 2002-01-28 | 2003-06-24 | Far Great Plastics Industrial Co., Ltd. | Handle folding structure for a foldable bicycle |
| CN102152835A (en) * | 2011-05-17 | 2011-08-17 | 太仓市车中宝休闲用品有限公司 | Inner wedge tongue locked-type folding handlebar vertical pipe |
| CN202225979U (en) * | 2011-08-08 | 2012-05-23 | 太仓市车中宝休闲用品有限公司 | Inlaying type inner wedge tongue locking folding-handle vertical pipe |
-
2013
- 2013-06-19 CN CN201310243543.1A patent/CN104229044A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6581492B1 (en) * | 2002-01-28 | 2003-06-24 | Far Great Plastics Industrial Co., Ltd. | Handle folding structure for a foldable bicycle |
| CN102152835A (en) * | 2011-05-17 | 2011-08-17 | 太仓市车中宝休闲用品有限公司 | Inner wedge tongue locked-type folding handlebar vertical pipe |
| CN202225979U (en) * | 2011-08-08 | 2012-05-23 | 太仓市车中宝休闲用品有限公司 | Inlaying type inner wedge tongue locking folding-handle vertical pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141224 |