CN106693354A - Crocodile fork - Google Patents
Crocodile fork Download PDFInfo
- Publication number
- CN106693354A CN106693354A CN201510487133.0A CN201510487133A CN106693354A CN 106693354 A CN106693354 A CN 106693354A CN 201510487133 A CN201510487133 A CN 201510487133A CN 106693354 A CN106693354 A CN 106693354A
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- China
- Prior art keywords
- fork
- gear wheel
- crocodile
- movable
- fixation
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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 invention discloses a crocodile fork, which is composed of an upper fork, a movable fork, a fixed fork, a lower fork, two independent cones, two independent gear racks, a torsional spring and a stopper; the crocodile fork is characterized in that the tail end of the movable fork is connected to a square solid body of the fixed fork by virtue of a pin, and the movable fork can move in a fan-shaped form; an included angle is formed between the movable fork and the fixed fork; the gear racks are each arranged at the bottom of a groove of each fork; two cones are arranged on a same shaft and are meshed with the corresponding gear racks; and the stopper is screwed at two ends of a shaft head. The stopper is pushed forwards by an athlete's finger, so that the cone on the movable fork can rotate in a clockwise direction and the cone on the fixed fork, which can take a damping effect, can rotate in an anticlockwise direction, the included angle between the two forks is minimized and the upper fork which is arranged on the movable fork is descended to the lowest position; the included angle between the fixed fork and the movable fork is maximized and the upper fork is ascended to the highest position when the stopper is pulled backwards by a hand; the upper fork, which moves from the lowest position to the highest position in a mode of stepless regulation, can have a plurality of rest points, so that functions are enriched in comparison with current low, middle and high rest points, more choices are offered to an athlete and the possibility of winning is improved; and the crocodile fork is simple to make, low in cost, economical and practical.
Description
Technical field：
The invention belongs to billiard ball hack lever manufacturing technology field, and in particular to a kind of crocodile fork can the stepless adjustable upper billiard ball frame for pitching height
Bar.
Background technology：
According to known to me, billiard ball are one of sports that the whole world is widely present, and the Western countries America and Europe is prevailing, present China
Numerous teenagers and have deep love for billiard ball personage it is more and more, by its sportsman with Ding Junhui as representative in the world to occupy before
Row, have driven the more masses of China to participate in, or even there are billiards lovers and billiard table in each rural area, less says in city
.The game rule of billiard ball is that sportsman impacts Archon by fulcrum club of various supports, hits colour ball, enters colour ball
Storehouse Bian Ge holes are score.Whose colour ball for throwing into of first, second sportsman is more, long-pending fraction it is many who be victor, usual sportsman is with finger
It is fulcrum, Archon is impacted with club, but numerous colour balls are Protean position on ball table, often have colour ball and block fortune
The position of bar, it is desirable to transport bar position and most preferably be accomplished by being used as fulcrum by specific purpose tool, conventional hack lever is divided into three kinds, lower frame
Bar, middle hack lever, hack lever high, and their pattern just it is many, such as fancy fork, English fork, American fork, spider, deer horn pitch,
Trunk fork, butterfly fork, bat fork etc., no matter the height of namely fixed basic, normal, high three sizes of which kind of fork, people think
More precisely a little to want current again without such as cannot to the arbitrfary point bar high from low bar with the 4th kind of hack lever of height
Realize, cannot also be realized in higher than bar high, here it is the undesirable part of current these three hack levers, it is necessary to Wo Menchuan
More accurately the hack lever of multiple spot height to provide handy crocodile fork a kind of stepless adjustable upper fork height for sportsman to make exploitation
Billiard ball hack lever.
The content of the invention：
The present invention be exactly in order to solve the deficiency of the above, there is provided a kind of crocodile fork can it is stepless it is adjustable it is upper fork height billiard ball frame
Bar, be by：Upper fork, movable fork, fixation fork, lower fork, fixation fork gear wheel, activity fork gear wheel, fixation fork tooth bar, activity fork
Tooth bar, button spring, catch composition, it is characterised in that：Upper fork is by the top butt-joint and middle of two symmetric trapezium cones
Connecting cylinder body connect as one, a screw thread is attacked in the middle of connecting cylinder body.The activity fork 2 is by three part of different shapes
Composition, front portion is bolt shape, and the middle part that bolt is connected is the solid pole of cone, and the afterbody that middle part is connected is strip
Groove type structure, the tail end of two groove sides is made two squares, and circular hole is broken into the middle of the top of square, bottom portion of groove
Side is fastened with a movable prong bar.The fixation fork 3 is made up of five part of different shapes, is foremost bolt, spiral shell
Bolt is connected on a solid tapered cylinder, and cylinder is to be connected to an one end for the groove type structure of strip, two
An elongated hole for strip is respectively opened in the upper end of groove side, and the side of groove-bottom is fastened with fixation fork tooth bar one, and the afterbody of groove connects
It is connected to and a circular hole is made a call in the middle of a solid cuboid, cuboid, cuboid is connected with a tubular connecting seat backward,
A hole is tapped with the middle of connecting seat cylinder.The lower fork is to curve 90 degree of cylinder, and silk is tapped with the middle of the corner of cylinder
Button, can twist fixation fork bolt foremost.The fixation fork gear wheel is that two independent diameters are identical with activity fork gear wheel, the number of teeth
It is identical, modulus identical sheet gear wheel, there is circular hole at the center of gear wheel.The fixation fork tooth bar, movable prong bar are two only
Vertical length is identical, and the number of teeth, modulus are all identical, the width of tooth bar and the width of the gear wheel also toothed rack of identical two.The catch
It is disc, the center side of disk makes bolt, and this bolt is screwed in gear wheel by the strip via on fixation fork ledge
In the silk hole of connecting shaft.The annexation of each part is more than described：The silk hole of upper fork and the bolt connection of activity fork front end, live
The rectangular card of moving fork afterbody physically penetrates pin and pins in the square of fixation fork after the eyelet alignment of the two, and two gear wheels are put
Enter in the groove of fixation fork, in penetrating the centre bore of gear wheel with gear wheel connecting shaft, helped by fixation fork groove with the bolt of catch
Strip via be screwed in the silk hole of gear wheel connecting shaft spindle nose, the circle of button spring is packed on pin, work is hooked in one end of button spring
The right-angle side of moving fork, the other end hook fixation fork it is square physically, in the presence of torsion spring power, fixed activity on activity fork
Prong bar be always be close to activity fork gear wheel the engagement of the two be always reliable.The bolt of fixation fork front end and the silk hole of lower fork
Connection, handle is connected with the silk hole on the connecting seat of fixation fork tail end, and so connecting and assembling to complete.
Action principle of the invention is such, and upper fork is designed to trapezoidal pyramidal, is to reach from most as little as highest overall process
After cue rack gets on, the scope that club swings all is identical, equivalent to existing basic, normal, high three kinds of hack lever upper ends with
The effect of club contact portion.The afterbody of activity fork is with connection in the middle of the square entity of pin and fixation fork, therefore activity fork
Can be to make fan shape moving to vertical direction from horizontal direction as the center of circle at pin.As can be seen that activity fork gear wheel from accompanying drawing 1
It is exactly the fulcrum of activity fork, the elongated via that activity fork gear wheel is helped with fixation fork groove can be moved in parallel, activity as track
Fork gear wheel more up pitch direction movement i.e. fulcrum from round dot more away from, activity pitch it is smaller with the angle of fixation fork, it is upper pitch it is lower,
Angle when moving to foremost between the y-bend of present invention design is minimum, and the position height of upper fork is equivalent to existing cross
The position height of fork, conversely, when activity fork gear wheel moves to most the inside, the angle between y-bend is maximum, at this moment goes up vent and puts
Position height of the height higher than existing fork high, because the movement of activity fork gear wheel is smooth that is, stepless movement,
So, the position height of upper fork be exactly from minimum arbitrary to being up to, it is stepless.Fixation fork gear wheel is retell below, because of fixation
Fork gear wheel with activity fork gear wheel is installed in same rotating shaft, and the gear rack of its engagement is the gear rack engaged with activity fork gear wheel
What opposite direction was installed, therefore fixation fork gear wheel is antiport when mobile with activity fork gear wheel, fixation fork gear wheel is to activity fork tooth
Play a part of damping for wheel, that is, when activity fork gear wheel runs into weight+tilted direction that its top movable fork+club comes
Thrust when the possibility that can be rotated clockwise, and simultaneously fixation fork gear wheel will counterclockwise rotation, the power of such opposite direction forces work
Moving fork gear wheel is as you were, serves the effect of stabilization activity fork gear wheel, that is, has good stability to upper fork, only
With just activity fork gear wheel can manually moved, so as to change the height of upper fork.The advantage of crocodile fork of the present invention is as follows：
1 when shifting catch onto front position on fork 1 equivalent to present spider height.
2 when moving catch to rearmost position on the height of fork 1 be higher than present hack lever high.
3 boundaries provide the hack lever position height of arbitrfary point between lower frame bar and hack lever high to sportsman.
4 it be pioneering electrodeless adjustable upper fork height hack lever, functionally than the function of present basic, normal, high three kinds of hack levers
More than, offered convenience to sportsman, the popularity of product can be in the world improved, win honors for the motherland.
5 its ingenious, simple structure of design, easily make, and low cost is vast using market, and the whole nation or even the whole world can make
With economical and practical.
Brief description of the drawings：
Accompanying drawing 1 is the overall picture solid and partial schematic sectional view of crocodile fork.
Accompanying drawing 2 is the schematic perspective view of the activity fork 2 of crocodile fork.
Accompanying drawing 3 is the solid and partial schematic sectional view of state's fixed fork 3 of crocodile fork.
Accompanying drawing 4 is the catch of crocodile fork and the connection schematic perspective view of gear wheel connecting shaft 13.
Accompanying drawing 5 is the schematic elevation view of the upper fork 1 of crocodile fork.
In figure：Fork, 2 movable forks, 3 fixation forks, 4 lower forks, 5 fixation fork gear wheels, 6 activity fork gear wheels, 7 fixation forks on 1
Tooth bar, 8 movable prong bars, 9 button springs, 10 connecting seats, 11 handles, 12 catch, 13 gear wheel connecting shafts, 14 connecting cylinders
Body silk hole, 15 connecting cylinder bodies.
Specific embodiment：
With reference to specific embodiment, the present invention is described in further detail, as accompanying drawing 1 --- crocodile shown in 5 fork be by：
Upper fork 1, activity fork 2, fixation fork 3, lower fork 4, fixation fork gear wheel 5, activity fork gear wheel 6, fixation fork tooth bar 7, activity
Prong bar 8, button spring 9, connecting seat 10, handle 11, catch 12, gear wheel connecting shaft 13, connecting cylinder body silk hole 14, company
Connect cylinder 15 to constitute, upper fork 1 is fabricated to two symmetrical trapezoidal cones, the top of cone is by a connecting cylinder
Body 15 is coupled together, and the centre of cylinder is tapped with a hole 14, and the top screw of activity fork 2 is screwed in a hole 14.By activity
Fork 2 is fabricated to three part of different shapes, and front portion is made bolt, and middle part is the solid pole of cone, and afterbody is strip
Groove structure, the tail end of groove side is fabricated to two squares, and two circular holes are made a call on the top of square.Fixation fork 3 is fabricated to
Five part of different shapes, is made bolt foremost, is and then made solid tapered cylinder, then and then makees strip
An elongated hole for strip is respectively opened on groove type structure, the ledge top of groove, then is and then made a solid cuboid, long
A circular hole is made a call at cube center, finally makes a cylinder, attacks screw thread in the middle of this cylinder, the above this five kinds of differences
The part of shape makes integral.Lower fork 4 is elongated cylinder, and 90 degree are curved in the middle of cylinder, is punched in the middle of corner
And tapping button.Activity fork gear wheel 6 is fabricated to that diameter is identical with fixation fork gear wheel 5, modulus is identical, number of teeth identical sheet tooth
A circular hole is beaten at wheel, gear wheel center.Fixation fork tooth bar 7 is made that total length is identical with movable prong bar 8, and modulus is identical, number of teeth phase
Together, the width of the width of tooth and gear wheel joined together also two individual gear racks of identical.Gear wheel connecting shaft 13 is made a circular shaft,
The diameter of axle is to be slidably matched with the centre bore of gear wheel, and screw thread is all attacked at the two ends center of axle.Catch 12 is made disc, circle
The side of disk center is fabricated to bolt, can be screwed in the silk hole at the two ends of gear wheel connecting shaft 13.Handle 11 just utilizes existing hand
Handle.
Claims (5)
1. a kind of crocodile fork be by：Upper fork, movable fork, fixation fork, lower fork, fixation fork gear wheel, activity fork gear wheel, fixation fork
Tooth bar, movable prong bar, button spring, catch composition, it is characterised in that：Upper fork is right by the top of two symmetric trapezium cones
Connect formula and centre connecting cylinder body to connect as one, a screw thread is attacked in the middle of connecting cylinder body.
2. a kind of crocodile as claimed in claim 1 is pitched, it is characterised in that：The activity fork 2 is by three part of different shapes
Composition, front portion is bolt shape, and the middle part that bolt is connected is the solid pole of cone, and the afterbody that middle part is connected is strip
Groove type structure, the tail end of two groove sides is made two squares, and circular hole is broken into the middle of the top of square, bottom portion of groove
Side is fastened with a movable prong bar.
3. a kind of crocodile as claimed in claim 1 is pitched, it is characterised in that：The fixation fork 3 is by five part of different shapes
Composition, is foremost bolt, and bolt is connected on a solid tapered cylinder, and cylinder is connected to a strip
An elongated hole for strip is respectively opened in one end of groove type structure, the upper end of two groove sides, and the side of groove-bottom is fastened with fixation fork
Tooth bar one, the afterbody of groove is connected with and a circular hole is made a call in the middle of a solid cuboid, cuboid, cuboid backward with one
Tubular connecting seat connection, is tapped with a hole in the middle of connecting seat cylinder.
4. a kind of crocodile as claimed in claim 1 is pitched, it is characterised in that：The fixation fork gear wheel is independent with activity fork gear wheel
Two diameters it is identical, the number of teeth is identical, modulus identical sheet gear wheel, and there is a circular hole at the center of gear wheel, the fixation fork tooth bar,
Movable prong bar is that two independent length are identical, and the number of teeth, modulus are all identical, the width of tooth bar and the width of gear wheel also identical
Two toothed racks.
5. a kind of crocodile as claimed in claim 1 is pitched, it is characterised in that：The catch is disc, the center side of disk
Making has bolt, and this bolt is screwed in the silk hole of gear wheel connecting shaft by the strip via on fixation fork ledge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487133.0A CN106693354B (en) | 2015-08-05 | 2015-08-05 | Crocodile is pitched |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487133.0A CN106693354B (en) | 2015-08-05 | 2015-08-05 | Crocodile is pitched |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106693354A true CN106693354A (en) | 2017-05-24 |
| CN106693354B CN106693354B (en) | 2018-08-17 |
Family
ID=58929805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510487133.0A Active CN106693354B (en) | 2015-08-05 | 2015-08-05 | Crocodile is pitched |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106693354B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190925583A (en) * | 1909-11-05 | 1910-06-16 | William Walter Woods | Improvements in Billiard Cue-rests. |
| CN1075660A (en) * | 1992-02-26 | 1993-09-01 | 保罗·约翰·德兰斯菲尔德 | Cue rack |
| GB2323300A (en) * | 1997-03-19 | 1998-09-23 | Alan Bernard Knight | Adjustable cue rest |
| GB2323794A (en) * | 1997-03-22 | 1998-10-07 | Stanley Shearer | Cue support device |
| US5853333A (en) * | 1997-08-28 | 1998-12-29 | Patterson; Thomas D. | Gimbaled cue bridge |
| US20030211897A1 (en) * | 2002-05-09 | 2003-11-13 | Morton D. Herbert | Cue stick bridge support |
| GB2437181A (en) * | 2006-04-13 | 2007-10-17 | Desmond Edward Morley | A billiards rest |
| CN204932807U (en) * | 2015-08-05 | 2016-01-06 | 李沛 | Crocodile is pitched |
-
2015
- 2015-08-05 CN CN201510487133.0A patent/CN106693354B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190925583A (en) * | 1909-11-05 | 1910-06-16 | William Walter Woods | Improvements in Billiard Cue-rests. |
| CN1075660A (en) * | 1992-02-26 | 1993-09-01 | 保罗·约翰·德兰斯菲尔德 | Cue rack |
| GB2323300A (en) * | 1997-03-19 | 1998-09-23 | Alan Bernard Knight | Adjustable cue rest |
| GB2323794A (en) * | 1997-03-22 | 1998-10-07 | Stanley Shearer | Cue support device |
| US5853333A (en) * | 1997-08-28 | 1998-12-29 | Patterson; Thomas D. | Gimbaled cue bridge |
| US20030211897A1 (en) * | 2002-05-09 | 2003-11-13 | Morton D. Herbert | Cue stick bridge support |
| GB2437181A (en) * | 2006-04-13 | 2007-10-17 | Desmond Edward Morley | A billiards rest |
| CN204932807U (en) * | 2015-08-05 | 2016-01-06 | 李沛 | Crocodile is pitched |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106693354B (en) | 2018-08-17 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |