CN207374590U - Front fork Fastening device - Google Patents
Front fork Fastening device Download PDFInfo
- Publication number
- CN207374590U CN207374590U CN201721090275.4U CN201721090275U CN207374590U CN 207374590 U CN207374590 U CN 207374590U CN 201721090275 U CN201721090275 U CN 201721090275U CN 207374590 U CN207374590 U CN 207374590U
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- light weight
- weight pieces
- clamping
- clamping rod
- front fork
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Abstract
A kind of front fork Fastening device, for being installed in a standpipe, including a clamping base, a clamping rod, a gland and at least three light weight pieces, the clamping base has one first perforation, the gland has one second perforation, the clamping rod wears first perforation and screw lock second perforation, and the gland and the clamping base are located at the clamping rod both ends respectively, and at least three light weight pieces are along the clamping rod interval circular row.The utility model can make its radial force be averaged.
Description
Technical field
The utility model is on bicycle art, especially with regard to the Urgent device for safety guard fences keeping vehicles on the road structure of vertical tube of front fork.
Background technology
A pipe fitting Urgent device for safety guard fences keeping vehicles on the road would generally be set to be covered for a bolt through one in the upper end of Regular Bicycle vertical tube of front fork
Screw lock after body for providing beam tube to the one precompressed strength of headset group toward drop-down by the cover, makes the whole knot of headstock
Conjunction structure is more secured, it is more smoothly to rotate control and stablizes.
As TaiWan, China Wise property office announces M542601 patents, patent name " pipe fitting Urgent device for safety guard fences keeping vehicles on the road structure " such as " figure
Mark " Fig. 1 discloses component beam tube 10, is cylinder type appearance, and the tube wall of beam tube 10 has inside and outside several short slots
12 and a groove 13, and 10 both ends of beam tube wear a clamping base 20 and one using a packing bolt and compress lid 30, as taken off in figure
Dew has two short slots 12 to be symmetrically positioned in the beam tube 10, however such structure has the shortcomings that very big, and oblique cone portion 32 abuts against 10 upside of beam tube
Oblique surface 14, the cone vamp 22 of clamping base 20 abuts against the oblique surface 14 of 10 downside of beam tube, the beam tube 10 squeezed when compressing lid 30
When, strength substantially concentrates on 10 both ends of beam tube, and the more place of 10 stress of beam tube is located at each short slot 12 and each groove
Between 13, and make 10 radial force of beam tube unequal, and the strength that 10 middle section position of beam tube is squeezed is much smaller than both ends,
It is very easy to make 10 stress of beam tube unequal, if being installed in vertical tube of front fork using this structure, be controlled for the rotation of headstock
Smooth operation can not be provided.
In view of this, the utility model, which provides a kind of front fork Fastening device, can solve the problems, such as stress inequality.
Utility model content
Technical problem underlying to be solved in the utility model is, overcomes drawbacks described above existing in the prior art, and carries
For a kind of front fork Fastening device, by structural improvement its radial force can be made to be averaged.
Technical solution is used by the utility model solves its technical problem：
A kind of front fork Fastening device, for being installed in a standpipe, including a clamping base, a clamping rod, a gland at least
Three light weight pieces, the clamping base have one first perforation, the gland have one second perforation, the clamping rod wear this second perforation with
One thread segment screw lock of the clamping rod, first perforation, which is located at the clamping rod both ends respectively with the clamping base, and this is extremely
Lack three light weight pieces along the clamping rod interval circular row；The annular outside wall surface of at least three light weight pieces distinguishes a recessed at least annular groove, and
An at least annular groove for at least three light weight pieces is respectively cutd open using an at least elastic bunch ring set beam, the interval of at least three light weight pieces
Ditch, at least three light weight piece both ends are respectively to one upper and lower end inclined-plane of the inclined extension of the clamping rod, and at least three light weight pieces
Outside wall surface is cross rag, and for this, at least three light weight pieces are close to the standpipe internal face；Oblique cone portion interval is convex in gland extension one
If several upper stop blocks, oblique cone portion abuts against each upper end inclined-plane on this, and each upper stop block is located at the upper end of each profile groove respectively；The packing
Seat extends the several lower stop blocks of oblique cone portion interval projection, which abuts against each lower end inclined-plane, and each lower stop block point
Not Wei Yu each profile groove lower end；The clamping base along external thread section stop block displacement upward, drive the oblique tapering push it is each under
Inclined-plane is held, which is radially extended out at least one elastic beam ring centered on the clamping rod, and the upper and lower oblique cone
Portion both ends mean forced is dispersed at least three light weight pieces；The clamping base is moved towards opposite upper stop block, an at least elastic bunch
Annulus moves at least three light weight piece involutions.
Technical characteristic according to the present utility model, the wherein recessed gland slot in the gland one end connect second perforation, and
The gland top surface has a block holding part on one, and bottom surface has block holding part, and on this oblique cone portion from this block holding part to the lower card
The inclination extension that support inside contracts.
Technical characteristic according to the present utility model, wherein the clamping rod one end abut against the lower block holding part equipped with a ring-like cover
One side, block holding part abuts against the standpipe one end on this.
Technical characteristic according to the present utility model, the wherein clamping rod are arranged a gasket, and the ring-like cover and the lower card
The support clamping gasket.
Technical characteristic according to the present utility model, the wherein clamping base have a first end and a second end, under this
Oblique cone portion is tilted from the first end to the second end to external contracting to be extended.
Technical characteristic according to the present utility model, the wherein at least three light weight pieces are formed a set of along the clamping rod interval circular row
Hole, the first end are located in the sets of holes, which is located at outside the sets of holes.
Technical characteristic according to the present utility model, the wherein clamping rod run through a rod aperture from either end, and in the rod aperture
Wall has a bar internal thread segment.
Technical characteristic according to the present utility model, wherein the rod aperture both ends open respectively circle and polygon, and the circle
Shape opening is equipped with a rod aperture block holding part with the packing at least three light weight piece inner walls, the bar internal thread segment from the polygonal-shaped openings to
Extend at circular open.
An at least annular groove depth for technical characteristic according to the present utility model, the wherein at least three light weight pieces coordinates this at least
The one recessed formation of elastic bunch ring thickness, the depth bounds of an at least at least annular groove for three light weight pieces is 0.08mm~1.2mm, is made
The making that at least three light weight pieces can be frivolous.
Root feature mentioned above, at least three light weight piece equi-spaced apart circular rows, whereby puts down upper and lower oblique cone portion both ends stress
Respectively it is dissipated at least three light weight pieces.
The beneficial effects of the utility model are by structural improvement its radial force can be made to be averaged.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the utility model stereoscopic schematic diagram.
Fig. 2 is the utility model decomposition diagram.
Fig. 3 is the utility model III-III schematic cross-sections shown in FIG. 1.
Fig. 4 is the utility model combination standpipe and vertical tube schematic diagram.
Fig. 5 is the utility model combination standpipe, vertical tube, upper cover and upper bonnet bolt schematic diagram.
Figure label explanation：
1 standpipe
2 vertical tubes
Bonnet bolt on 3
4 upper covers
10 clamping bases
11 first perforation
12 oblique taperings
13 times stop blocks
14 first ends
15 the second ends
20 clamping rods
21 ring-like covers
22 bodies of rod
23 external thread sections
24 rod aperture
25 bar internal thread segments
26 screw rods
30 glands
31 second perforation
Oblique cone portion on 32
Stop block on 33
34 times block holding parts
35 gland slots
Block holding part on 36
37 gaskets
40 light weight pieces
41 annular grooves
42 profile grooves
43 upper ends inclined-plane
44 lower ends inclined-plane
45 sets of holes
50 elastic beam rings
60 rod aperture block holding parts
Specific embodiment
The utility model provides a kind of front fork Fastening device, is designed using multi-sheet structure, enables the front fork Fastening device
Average force.
According to Fig. 1 to Fig. 5, the utility model provides a kind of front fork Fastening device, for being installed in a standpipe 1, bag
A clamping base 10, a clamping rod 20, a gland 30 and at least three light weight pieces 40 are included, which has one first perforation 11,
The gland 30 has one second perforation 31, which wears second perforation 31 with a thread segment screw lock of the clamping rod 20
First perforation 11, the gland 30 are located at 20 both ends of clamping rod, and 40 edge of at least three light weight piece respectively with the clamping base 10
The clamping rod 20 is spaced circular row；The 40 annular outside wall surface of at least three light weight piece distinguishes a recessed at least annular groove 41, and this is at least
For an at least annular groove 41 for three light weight pieces 40 using at least one 50 sets of beams of elastic beam ring, the interval of at least three light weight pieces 40 respectively has one
Profile groove 42,40 both ends of at least three light weight piece are respectively to one upper and lower end inclined-plane 43,44 of the inclined extension of the clamping rod 20, and should
At least the outside wall surface of three light weight pieces 40 is cross rag, is close to 1 internal face of standpipe for at least three light weight pieces 40；The gland 30
Oblique cone portion 32 is spaced the several upper stop blocks 33 of projection in extension one, and oblique cone portion 32 abuts against each upper end inclined-plane 43, each upper backstop on this
Block 33 is located at the upper end of each profile groove 42 respectively；The clamping base 10 extends oblique cone portion 12 and is spaced the several lower stop blocks 13 of projection,
The oblique tapering 12 abuts against each lower end inclined-plane 44, and each lower stop block 13 is located at the lower end of each profile groove 42 respectively；The clamping base 10
Along the external thread section 23 33 displacement of stop block upward, the oblique tapering 12 is driven to push each lower end inclined-plane 44, at least three light weights
Piece 40 is radially extended out at least one elastic beam ring 50 centered on the clamping rod 20, and the upper and lower oblique cone portion 32,33 both ends by
Power is averagely dispersed at least three light weight pieces 40；The clamping base 10 is moved towards opposite upper stop block 33, at least one elastic beam ring
50 drive 40 involution of at least three light weight piece.
The foregoing technical characteristics for the utility model main embodiment.
According to Fig. 3, which is equidistant interval circular row, between each upper end inclined-plane 43 is also equidistant
Every, because it is equi-spaced apart, when making upper and lower oblique cone portion 32,33 stress, strength averagely can be distributed to each light weight piece 40, and
At least three light weight pieces 40 are curved appearance, when 40 circular row of at least three light weight piece clamping rod 20, one sets of holes of in-between formation
45, and the clamping rod 20 wears second perforation 31 and first perforation 11 that locks after the sets of holes 45, the sets of holes 45 connection this
One perforation 11 and second perforation 31.It is to be appreciated that it is separated using three light weight pieces, 40 annular both ends of the surface by each profile groove 42
Into three sections, and per section, respectively tool has a angle 120 degree centered on the clamping rod 20, when three light weights piece, 40 one end stress
Afterwards, which pushes each lower end inclined-plane 44, because the two is inclined-plane appearance so contact area is larger, and the three light weights piece
40 difference pressures are smaller, and because each profile groove 42 is equi-spaced apart, can make three light weights piece, 40 average force, in addition, should
The thickness range of at least one elastic beam ring 50 is 0.08mm~1.2mm, and the depth of an at least annular groove 41 for at least three light weight pieces
It is 0.08mm~1.2mm to spend scope, to coordinate 50 thickness of at least one elastic beam ring, due at least three light weight pieces at least
One annular groove, 41 depth need not simultaneously be done too deeply, and making this, at least three light weight pieces 40 do not need larger thickness, as long as can make this
At least three light weight pieces 40 have at least annular groove 41 that adequate thickness removes the recessed at least three light weight pieces.
As shown in figure 4, the recessed gland slot 35 in 30 one end of gland connects second perforation 31, and 30 top surface of gland has
Have block holding part 36 on one, bottom surface has block holding part 34, and on this oblique cone portion 32 from this block holding part 34 to the lower block holding part
The 36 inclination extensions inside contracted, which is equipped with a ring-like cover 21, and ring-like 21 one side of cover axially extending one
The body of rod 22,22 the lower section of the body of rod are equipped with the external thread section 23, which wears second perforation 31 and the sets of holes 45 simultaneously
Lock first perforation 11, the ring-like cover 21 is made to abut against lower 34 one side of block holding part, and block holding part 36 abuts against the standpipe 1 on this
One end, the clamping rod 20 are arranged a gasket 37, and the ring-like cover 21 and lower 34 clamping of the block holding part gasket 37.
As shown in figs. 4 and 5, oblique cone portion 32 tilts extension from the upper end inclined-plane 43 to 31 positions of the second perforation on this,
And the upper and lower block holding part 34 is each positioned at 32 end positions of oblique cone portion on this；In addition, the clamping base 10 has a first end 14 and one
The second end 15, the oblique tapering 12 are inclined outwardly extension from the first end 14 to the second end 15, the first end 14
In the sets of holes 45, which is located at outside the sets of holes 45；And correspondence of oblique cone portion 32 upper end inclined-plane 43 is phase on this
Same angle of inclination, it is identical angle of inclination which, which corresponds to the lower end inclined-plane 44,.
It please refers to Fig.4 with shown in Fig. 5, being the schematic diagram of the utility model application, the clamping base 10 and at least three light weights
Piece 40 is penetrated in the standpipe 1, and until the upper block holding part 36 of the gland 30 abuts against the standpipe 1, which passes through from either end
A rod aperture 24 is worn, and 24 internal face of rod aperture has a bar internal thread segment 25, which is respectively circular and more
Side shape, and a rod aperture block holding part 60 is equipped at the circular open with packing 40 inner wall of at least three light weight piece, the bar internal thread segment
25 from the polygonal-shaped openings to circular open at extend, wherein, the rod aperture block holding part 60 increase the clamping rod 20 attach the packing
The fixation of seat 10.The front fork Fastening device of the utility model can utilize after compeling to be tightly fixed in the top of the standpipe 1
Bonnet bolt 3 wears 4 screw lock of a upper cover in the rod aperture 24 on one, and bonnet bolt 3 engages the bar internal thread segment 25 on this, and by this
Upper cover 4 is incorporated into a vertical tube 2 of 1 upside of the standpipe toward drop-down, make the whole integrated structure of bicycle headstock it is more secured, turn
Dynamic control is more smoothly and stablizes.
The above descriptions are merely preferred embodiments of the present invention, and not the utility model is made in any form
Limitation, it is every according to the technical essence of the utility model to above example made it is any it is simple modification, equivalent variations with
Modification, in the range of still falling within technical solutions of the utility model.
Claims (9)
1. a kind of front fork Fastening device, which is characterized in that for being installed in a standpipe, including：
One clamping base, a clamping rod, a gland and at least three light weight pieces, the clamping base have one first perforation, which has
One second perforation, the clamping rod wear second perforation with first perforation of an external thread section screw lock of the clamping rod, the gland
It is located at the clamping rod both ends respectively with the clamping base, and at least three light weight pieces are along the clamping rod interval circular row；
The annular outside wall surface of at least three light weight pieces distinguishes a recessed at least annular groove, and an at least annular groove for at least three light weight pieces
Using the elastic bunch ring set beam of an at least minimal thickness, respectively there is a profile groove at the interval of at least three light weight pieces, at least three light weight pieces
Both ends extend a upper and lower end inclined-plane to the clamping rod is inclined respectively, and the outside wall surface of at least three light weight pieces is cross rag,
For this, at least three light weight pieces are close to the standpipe internal face；
Interval projection several upper stop blocks in oblique cone portion in gland extension one, oblique cone portion abuts against each upper end inclined-plane on this, each above to stop
Block is located at the upper end of each profile groove respectively；
The clamping base extends the several lower stop blocks of oblique cone portion interval projection, which abuts against each lower end inclined-plane, and each
Lower stop block is located at the lower end of each profile groove respectively；The clamping base drives the lower oblique cone along external thread section stop block displacement upward
Each lower end inclined-plane is pushed in portion, which is radially extended out at least one elastic beam ring centered on the clamping rod, and
The upper and lower oblique cone portion both ends mean forced is dispersed at least three light weight pieces；The clamping base is moved towards opposite upper stop block, this is extremely
A few elastic bunch annulus moves at least three light weight piece involutions.
2. front fork Fastening device according to claim 1, which is characterized in that the recessed gland slot connection in gland one end
Second perforation, and the gland top surface has block holding part on one, bottom surface has block holding part, and oblique cone portion card from this on this
Support extends to the inclination that the lower block holding part inside contracts.
3. front fork Fastening device according to claim 2, which is characterized in that described clamping rod one end is equipped with a ring-like cover
The lower block holding part one side is abutted against, block holding part abuts against the standpipe one end on this.
4. front fork Fastening device according to claim 3, which is characterized in that the clamping rod is arranged a gasket, and the ring
Type cover and the lower block holding part clamping gasket.
5. front fork Fastening device according to claim 4, which is characterized in that the clamping base has a first end and one
The second end, the oblique tapering are inclined outwardly extension from the first end to the second end.
6. front fork Fastening device according to claim 5, which is characterized in that at least three light weight pieces are along between the clamping rod
Spacer ring arranges to form a sets of holes, which is located in the sets of holes, which is located at outside the sets of holes.
7. front fork Fastening device according to claim 1, which is characterized in that the clamping rod runs through a bar from either end
Hole, and the rod aperture inner wall has a bar internal thread segment.
8. front fork Fastening device according to claim 7, which is characterized in that the rod aperture both ends open be respectively it is circular with
Polygon, and a rod aperture block holding part is equipped at the circular open with the packing at least three light weight piece inner walls, the bar internal thread segment is certainly
The polygonal-shaped openings extend at circular open.
9. according to the front fork Fastening device described in claim 1,6 or 8, which is characterized in that at least three light weight pieces are at least
One annular groove depth coordinates at least recessed formation of elastic bunch ring thickness, the depth model of an at least annular groove for at least three light weight pieces
It is 0.08mm~1.2mm to enclose, and enables the frivolous making of at least three light weight pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721090275.4U CN207374590U (en) | 2017-08-29 | 2017-08-29 | Front fork Fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721090275.4U CN207374590U (en) | 2017-08-29 | 2017-08-29 | Front fork Fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207374590U true CN207374590U (en) | 2018-05-18 |
Family
ID=62343150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721090275.4U Active CN207374590U (en) | 2017-08-29 | 2017-08-29 | Front fork Fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207374590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078710A (en) * | 2020-08-24 | 2020-12-15 | 拓肯兴业股份有限公司 | Steering head bowl group |
-
2017
- 2017-08-29 CN CN201721090275.4U patent/CN207374590U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078710A (en) * | 2020-08-24 | 2020-12-15 | 拓肯兴业股份有限公司 | Steering head bowl group |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |