CN201077514Y - Electric motor vehicle and shoe group for front hub brake - Google Patents
Electric motor vehicle and shoe group for front hub brake Download PDFInfo
- Publication number
- CN201077514Y CN201077514Y CNU2007200405713U CN200720040571U CN201077514Y CN 201077514 Y CN201077514 Y CN 201077514Y CN U2007200405713 U CNU2007200405713 U CN U2007200405713U CN 200720040571 U CN200720040571 U CN 200720040571U CN 201077514 Y CN201077514 Y CN 201077514Y
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- China
- Prior art keywords
- shoe plate
- plate
- cover plate
- bicycle
- piece group
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a shoe block group used for front hub brakes of electric bicycles and bicycles which is positioned at shoe block groups of front hub brakes of electric bicycles and bicycles. Lower parts of a left shoe plate (8) and a right shoe plate (13) of the shoe block group (1) are riveted via a washer (10) and a fixing core (11), at least one projection welding point is arranged respectively on the left shoe plate (8) and the right shoe plate (13) for welding a left welding block (2) and a right welding block (20), locating points of the left shoe plate (8) and the right shoe plate (13) are respectively inserted into the corresponding locating holes of a left cover plate (6) and a right cover plate (15). At least two projection welding points are arranged on externally-projected arch lateral faces of the left shoe plate (8) and the right shoe plate (13) which are respectively projection-welded together with the left cover plate (6) and the right cover plate (15); left friction material (5) and right friction material (17) are respectively bonded on the right cover plate (6) and the left cover plate (15), a tension spring mounting hole (4) and a tension spring mounting hole (18) are respectively arranged on left shoe plate (8) and the right shoe plate (13). The shoe block group is firmly welded.
Description
Technical field:
The hub lock relates to the hoof piece group that is installed on battery-driven car and the preceding hub lock of bicycle before the utility model battery-driven car and the bicycle with hoof piece group.
Background technology:
The hub lock adopted aluminum alloy to be pressed into integral piece before battery-driven car and the bicycle in the past, cost of manufacture height like this, the hub lock is made by discrete steel parts and is processed before existing battery-driven car of making and the bicycle, cost is low, the mechanical strength height, in order to adapt to hub lock before this battery-driven car and the bicycle, just need the corresponding hoof piece group of design, be installed on before this battery-driven car and the bicycle on the hub lock.
Summary of the invention:
The purpose of this utility model provides a kind of battery-driven car and the preceding hub lock of bicycle hoof piece group, left and right shoe plate by pad, decide core and rivet together, respectively be welded with left and right welding block and left and right cover plate on the left and right shoe plate, on left and right cover plate, respectively be bonded with left and right friction material.
Hub lock hoof piece group before a kind of battery-driven car and the bicycle, hoof piece group (1) is by left shoe plate (8), right shoe plate (13), pad (10), decide core (11), left side welding block (2), right welding block (20), left side cover plate (6), right cover plate (15), left side friction material (5) and right friction material (17) are formed, the bottom that it is characterized in that left shoe plate (8) and right shoe plate (13) is by pad (10) and decide core (11) and be riveted together, left side shoe plate (8) upper end and right shoe plate (13) upper end are connected to left welding block (2) and right welding block (20) by a projection welding spot welding respectively at least, some locating points of left side shoe plate (8) and right shoe plate (13) are inserted in respectively in left cover plate (6) and the cooresponding knock hole of right cover plate (15), on left shoe plate (8) and right shoe plate (13) evagination circular arc side, two projection welding points are at least respectively arranged, respectively with left cover plate (6) and right cover plate (15) projection welding together; Be bonded with left friction material (5) and right friction material (17) respectively on left side cover plate (6) and the right cover plate (15), have extension spring mounting hole (4) and extension spring mounting hole (18) in top separately at left shoe plate (8) and right shoe plate (13).
The hub lock is after dial axis rotates with the effect of hoof piece group before this battery-driven car and the bicycle, then promote the left and right welding block of hoof piece group, left and right shoe plate is opened, thereby left and right friction material is rubbed mutually with preceding hub lock inwall, make battery-driven car or bicycle realize brake.
The hub lock all is left and right balanced configuration state with the left and right shoe plate of hoof piece group, left and right welding block, left and right cover plate, left and right friction material and left and right extension spring mounting hole before this battery-driven car and the bicycle on hoof piece group.Concrete structure is described as follows:
The left and right shoe plate middle part of hoof piece group all is evagination indent circular arc, concave arc side and evagination circular arc side in promptly in the middle part of left and right shoe plate, all having, all have in the bottom of left and right shoe plate and to decide core mounting hole and arc transition face, in left and right shoe plate upper end the rectangle lateral surface is arranged all, the projection welding point is arranged on the rectangle lateral surface, have the extension spring mounting hole on left and right shoe plate top, the upper and lower part of concave arc side has coupled interior concave arc side respectively in left and right shoe plate middle part, and the interior concave arc side of upper and lower part is disposed at the upper and lower part symmetrically; Alternate respectively configuration has two projection welding points at least and has two locating points at least on the evagination circular arc side of left and right shoe plate, by above-mentioned projection welding point, with left and right shoe plate respectively with left and right cover plate projection welding together; Locating point on the left and right shoe plate vertically is inserted in respectively in the cooresponding knock hole of left and right cover plate.
Left and right cover plate is and is the circular-arc thin slice of evagination, all has some knock holees on the left and right cover plate, so that correspondingly insert and link together with locating point on the left and right shoe plate.All have positioning groove in left and right cover plate bottom, the positioning groove of left and right cover plate is inserted in respectively on the lug of lower end, left and right shoe plate evagination circular arc side; On left and right cover plate evagination circular arc side, be bonded with left and right friction material respectively.
Left and right shoe plate upper end rectangle lateral surface welds with left and right welding block mutually by the projection welding point on it respectively, and promptly the plane of left and right welding block is connected with the vertical welding of left and right shoe plate upper end rectangle lateral surface respectively.
The hub lock is left and right shoe plate and left and right cover plate, left and right welding block firm welding with the advantage of hoof piece group before this battery-driven car and the bicycle, reasonable in design.
Description of drawings:
Fig. 1: look scheme drawing for hoof piece group (1) is main.
Fig. 2: for looking scheme drawing in hoof piece group (a 1) left side.
Fig. 3: look scheme drawing for left shoe plate (8) is main.
Fig. 4: for looking scheme drawing in left shoe plate (a 8) left side.
Fig. 5: look scheme drawing for right shoe plate (13) is main.
Fig. 6: for looking scheme drawing in right shoe plate (a 13) left side.
Fig. 7: look scheme drawing for left cover plate (6) is main.
Fig. 8: for looking scheme drawing in left cover plate (a 6) left side.
The specific embodiment:
Referring to Fig. 1 and Fig. 2, hoof piece group (1) by left shoe plate (8), right shoe plate (13), pad (10), decide core (11), left welding block (2), right welding block (20), left cover plate (6), right cover plate (15), left friction material (5) and right friction material (17) and form, the bottom of a left side shoe plate (8) and right shoe plate (13) is by pad (10) and decide core (11) and be riveted together, have extension spring mounting hole (4) and extension spring mounting hole (18) in top separately at left shoe plate (8) and right shoe plate (13), be through hole, left shoe plate (8) and right shoe plate (13) are steel disc; Left side welding block (2) and right welding block (20) are the rectangular surfaces bloom.
Referring to Fig. 3 and Fig. 4, there is rectangle lateral surface (64) left side shoe plate (8) upper end, at rectangle lateral surface (64) middle part projection welding point (63) is arranged, with integrally welded of left welding block (2), have extension spring mounting hole (4) on left shoe plate (8) top, there are interior concave arc side (61) and evagination circular arc side (52) in left side shoe plate (8) middle part, on the interior concave arc side (61) of left shoe plate (8), the bottom has coupled upward interior concave arc side (62) and down interior concave arc side (60), top, concave arc side (62) is connected with rectangle lateral surface (64) in going up, bottom, concave arc side (60) is connected with the outer arc limit (56) of deciding core mounting hole (57) of left shoe plate (8) down, have the arc transition face in left shoe plate (8) bottom, the interior circular arc limit of arc transition face is (58), and the external arc limit of arc transition face is (59); Be installed in left cover plate (6) the bottom positioning groove (90) the coupled part that is integral on the top of left shoe plate (8) bottom periphery (55).Epirelief solder joint (3), middle epirelief solder joint (7) and the following projection welding point (9) of evagination are arranged, so that make integrally welded of left shoe plate (8) and left cover plate (6) on the evagination circular arc side (52) of left shoe plate (8); Go up in addition upward locating point (51), middle locating point (53) and following locating point (54) in the evagination circular arc side (52) of left shoe plate (8), these locating points are inserted in respectively in the last knock hole (87) of left cover plate (6), middle knock hole (88) and the following knock hole (89), in left shoe plate (8) bottom the core of deciding mounting hole (57) is arranged, deciding core mounting hole (57) is round tube hole.
Referring to Fig. 5 and Fig. 6, there is rectangle lateral surface (86) right shoe plate (13) upper end, at rectangle lateral surface (86) middle part projection welding point (85) is arranged, with integrally welded of right welding block (20), have extension spring mounting hole (18) on right shoe plate (13) top, there are interior concave arc side (83) and evagination circular arc side (74) in right shoe plate (13) middle part, on the interior concave arc side (83) of right shoe plate (13), the bottom has concave arc side (84) and down interior concave arc side (82) in connected the going up, top, concave arc side (84) is connected with the rectangle lateral surface (86) of upper end in going up, bottom, concave arc side (82) is connected with the outer arc limit (78) of deciding core mounting hole (79) of right shoe plate (13) down, have the arc transition face in right shoe plate (13) bottom, the interior circular arc limit of arc transition face is (80), and the external arc limit is (81); Be installed in the positioning groove of right cover plate (15) bottom the coupled part that is integral on the top of right shoe plate (13) bottom periphery (77).Epirelief solder joint (19), middle epirelief solder joint (16) and the following projection welding point (12) of evagination are arranged, so that make integrally welded of right shoe plate (13) and right cover plate (15) on the evagination circular arc side (74) of right shoe plate (13); Go up in addition upward locating point (73), middle locating point (75) and following locating point (76) in the evagination circular arc side (74) of right shoe plate (13), they are inserted in respectively in the last knock hole of right cover plate (15), middle knock hole and the following knock hole, in right shoe plate (13) bottom the core of deciding mounting hole (79) is arranged, for anti-fastening core rotates in deciding core mounting hole (79), decide core mounting hole (79) for octagon, and decide core and match.
Referring to Fig. 7 and Fig. 8, left cover plate (6) is for being the circular-arc stalloy of evagination, and its thickness is: 1.5 millimeters～2.5 millimeters.Have knock hole (87), middle knock hole (88) and following knock hole (89) on left cover plate (6), have positioning groove (90) in left cover plate (6) bottom, positioning groove (90) is a rectangular channel, is positioned at left cover plate (6) bottom center position.
Right cover plate (15) also is the circular-arc stalloy of evagination, and its thickness is: 1.5 millimeters～2.5 millimeters.On right cover plate (15), also have knock hole, middle knock hole and following knock hole, also have the rectangle positioning groove in right cover plate (15) bottom, and be positioned at right cover plate (15) bottom center position.
Claims (10)
- Before battery-driven car and the bicycle hub lock with hoof piece group, hoof piece group (1) is by left shoe plate (8), right shoe plate (13), pad (10), decide core (11), left side welding block (2), right welding block (20), left side cover plate (6), right cover plate (15), left side friction material (5) and right friction material (17) are formed, the bottom that it is characterized in that left shoe plate (8) and right shoe plate (13) is by pad (10) and decide core (11) and be riveted together, left side shoe plate (8) upper end and right shoe plate (13) upper end are connected to left welding block (2) and right welding block (20) by a projection welding spot welding respectively at least, some locating points of left side shoe plate (8) and right shoe plate (13) are inserted in respectively in left cover plate (6) and the cooresponding knock hole of right cover plate (15), on left shoe plate (8) and right shoe plate (13) evagination circular arc side, two projection welding points are at least respectively arranged, respectively with left cover plate (6) and right cover plate (15) projection welding together; Be bonded with left friction material (5) and right friction material (17) respectively on left side cover plate (6) and the right cover plate (15), have extension spring mounting hole (4) and extension spring mounting hole (18) in top separately at left shoe plate (8) and right shoe plate (13).
- 2. the hub lock is characterized in that with hoof piece group left shoe plate (8) and right shoe plate (13) are steel disc before a kind of battery-driven car according to claim 1 and the bicycle; Left side welding block (2) and right welding block (20) are the rectangular surfaces bloom.
- 3. the hub lock is characterized in that on left shoe plate (8) the upper end rectangle lateral surface (64) projection welding point (63) being arranged with hoof piece group before a kind of battery-driven car according to claim 1 and the bicycle; On right shoe plate (13) the upper end rectangle lateral surface (86) projection welding point (85) is arranged.
- 4. hub lock hoof piece group before a kind of battery-driven car according to claim 1 and the bicycle, the upper and lower part that it is characterized in that the interior concave arc side (61) at left shoe plate (8) middle part has coupled upward interior concave arc side (62) and down interior concave arc side (60) respectively, top, concave arc side (62) is connected with rectangle lateral surface (64) in going up, and down interior bottom, concave arc side (60) is connected with the outer arc limit (56) of deciding core mounting hole (57) of left shoe plate (8).
- 5. hub lock hoof piece group before a kind of battery-driven car according to claim 1 and the bicycle, the upper and lower part that it is characterized in that the interior concave arc side (83) at right shoe plate (13) middle part has coupled upward interior concave arc side (84) and down interior concave arc side (82) respectively, top, concave arc side (84) is connected with the rectangle lateral surface (86) of upper end in going up, and down interior bottom, concave arc side (82) is connected with the outer arc limit (78) of deciding core mounting hole (79) of right shoe plate (13).
- 6. the hub lock is with hoof piece group before a kind of battery-driven car according to claim 1 and the bicycle, it is characterized in that having on the evagination circular arc side (52) of left shoe plate (8) epirelief solder joint (3), middle epirelief solder joint (7) and the following projection welding point (9) of evagination; Go up evagination circular arc side (52) also has locating point (51), middle locating point (53) and the following locating point (54) of going up, and is inserted in the last knock hole (87) of left cover plate (6) respectively, in middle knock hole (88) and the following knock hole (89).
- 7. the hub lock is with hoof piece group before a kind of battery-driven car according to claim 1 and the bicycle, it is characterized in that having on the evagination circular arc side (74) of right shoe plate (13) epirelief solder joint (19), middle epirelief solder joint (16) and the following projection welding point (12) of evagination; Go up evagination circular arc side (74) also has locating point (73), middle locating point (75) and the following locating point (76) of going up, and is inserted in respectively in the last knock hole of right cover plate (15), middle knock hole and the following knock hole.
- 8. the hub lock is characterized in that with hoof piece group the arc transition face is arranged at left shoe plate (8) bottom before a kind of battery-driven car according to claim 1 and the bicycle, and the interior circular arc limit of arc transition face is (58), and the external arc limit is (59); The arc transition face is arranged at right shoe plate (13) bottom, and the interior circular arc limit of arc transition face is (80), and the external arc limit is (81).
- 9. the hub lock is characterized in that with hoof piece group the core of deciding mounting hole (57) is arranged at left shoe plate (8) bottom before a kind of battery-driven car according to claim 1 and the bicycle, and the core of deciding mounting hole (79) is arranged at right shoe plate (13) bottom.
- 10. the hub lock is characterized in that with hoof piece group left cover plate (6) and right cover plate (15) are the circular-arc stalloy of evagination before a kind of battery-driven car according to claim 1 and the bicycle, and its thickness is: 1.5 millimeters～2.5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200405713U CN201077514Y (en) | 2007-07-07 | 2007-07-07 | Electric motor vehicle and shoe group for front hub brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200405713U CN201077514Y (en) | 2007-07-07 | 2007-07-07 | Electric motor vehicle and shoe group for front hub brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201077514Y true CN201077514Y (en) | 2008-06-25 |
Family
ID=39569572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200405713U Expired - Fee Related CN201077514Y (en) | 2007-07-07 | 2007-07-07 | Electric motor vehicle and shoe group for front hub brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201077514Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927171A (en) * | 2012-11-01 | 2013-02-13 | 重庆市璧山宏向汽配有限公司 | Brake shoe for heavy-load type vehicle |
| CN110439941A (en) * | 2019-08-20 | 2019-11-12 | 重庆中帝机械制造股份有限公司 | High stability casts forging formula punching weldering brake-shoe |
-
2007
- 2007-07-07 CN CNU2007200405713U patent/CN201077514Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927171A (en) * | 2012-11-01 | 2013-02-13 | 重庆市璧山宏向汽配有限公司 | Brake shoe for heavy-load type vehicle |
| CN110439941A (en) * | 2019-08-20 | 2019-11-12 | 重庆中帝机械制造股份有限公司 | High stability casts forging formula punching weldering brake-shoe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080625 |