CN208419730U - A kind of catapult - Google Patents
A kind of catapult Download PDFInfo
- Publication number
- CN208419730U CN208419730U CN201820948517.7U CN201820948517U CN208419730U CN 208419730 U CN208419730 U CN 208419730U CN 201820948517 U CN201820948517 U CN 201820948517U CN 208419730 U CN208419730 U CN 208419730U
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- bow
- shelf
- fixed
- pressing plate
- catapult
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- 238000012937 correction Methods 0.000 claims abstract description 10
- 239000013307 optical fiber Substances 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 210000002105 tongue Anatomy 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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Abstract
A kind of catapult, comprising: bowgrip, one end are connect by longitudinal extension portion with bow seat；Bend seat, both ends are connect with the first shelf and the second shelf respectively by transversal stretching portion, and the straight-line trajectory in longitudinal extension portion is vertical with the straight-line trajectory in transversal stretching portion；First shelf connects the first bow by first portion of sliding laterally, and the second shelf connects the second bow by second portion of sliding laterally, and first slides laterally portion's straight-line trajectory and second to slide laterally portion's straight-line trajectory conllinear；It is detachably connected the first pressing plate and the second pressing plate respectively in two sides of the first bow and the second bow longitudinal direction；First bow and the second bow are equipped with several card holes, several correction holes, and adjustment object, shooting point and 3 points of human eye take aim at a device at line.Benefit: pass through the flexible and fixed of vertical and horizontal both direction, it is ensured that in the situation that play is fixed, the position for adjusting catapult itself obtains identical fire effect.
Description
Technical field
The utility model relates to sphere of life, specially a kind of catapult.
Background technique
Catapult is with a long history in China, initially uses in ancient times as cold steel, with the development of science and technology, catapult slowly at
For a kind of converter tools.There is many catapult fans are spontaneous to hold various catapult matches every year.
But, it has to say that catapult also there are many drawbacks in structure.Firstly, considering the gravitation of the earth, catapult is short
Apart from it is interior shooting accurately will not deviation it is too big, over long distances shoot after just will appear biggish deviation.Under normal circumstances, player in order to
Guarantee the accurate of shooting, it will usually rubber band be elongated the position fixed to body, sufficiently large elastic force and standard are obtained with this
Exactness, and be all to emit bullet in fixed position when usual training.The method of this shooting, which is called, dismisses.For
Have for the fixed player dismissed, next need to overcome is how to obtain the accuracy of shooting.
It is 10 meters from empirical decisive range, it under normal circumstances, all can be accurate by the people repeatedly trained
Shooting to 10 meters of positions, but when position more than 10 meters, influence of the earth to bullet will be very big, after leading to bullet shooting
Hit location and ideal position have very big height great disparity.In this case, player is exactly self-dependent experience tune
Save effective launch angle.But this method by experience, it does not ensure that and shoots each time all very accurately.
In this regard, the utility model proposes a kind of new solutions.
Summary of the invention
The purpose of this utility model is to provide a kind of catapults, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions:
A kind of catapult characterized by comprising
Bowgrip, one end are connect by longitudinal extension portion with bow seat；
Bend seat, both ends are connect with the first shelf and the second shelf respectively by transversal stretching portion, the longitudinal extension portion
Straight-line trajectory it is vertical with the straight-line trajectory in transversal stretching portion；
First shelf connects the first bow by first portion of sliding laterally, and the second shelf is connected by second portion of sliding laterally
Second bow, and first slides laterally portion's straight-line trajectory and second to slide laterally portion's straight-line trajectory conllinear；
It is detachably connected the first pressing plate and the second pressing plate respectively in two sides of the first bow and the second bow longitudinal direction；The
The correction of card hole, several amendment bullet shooting faces that several fix rubber band is symmetrically equipped on one bow and the second bow
Hole, and adjustment object, shooting point and 3 points of human eye take aim at a device at line.
Specifically, the longitudinal extension portion includes: to be located at bowgrip one end longitudinally perforative telescopic chute, is led in telescopic chute
It crosses telescopic chute and is connect with block-like bow tongue longitudinal sliding motion on bow seat is fixed on；The bow tongue is equipped with through kidney-shaped pore structure
Slide opening is equipped with stair-stepping limit road in slide opening contour edge；The telescopic chute is equipped with circular through hole, in through hole
The first threaded hole is drilled in the bowgrip of heart position；And bends tongue and be fixed in bowgrip by the bolt being mounted in the first threaded hole.
Specifically, the transversal stretching portion includes: and bends seat to be the structure that runs through of transverse direction, and runs through grafting respectively in structure
: the first fixed connection frame, second connection frame fixed with the second shelf with the first shelf；Connect in the first connection frame and second
Frame is connect equipped with several equidistant spill anchor points, the bow seat side being in contact with anchor point is equipped with the second threaded hole；And
Screw is withstood on anchor point after passing through the second threaded hole.
Specifically, first portion of sliding laterally includes: the first bow slideway being located on the first shelf, first bow
The slide for being fixed on the first bow bottom is equipped in head slideway；Second portion of sliding laterally includes: to be located on the second bow
Second bow slideway,
The slide for being fixed on the second bow bottom is equipped in the second bow slideway；First bow slideway and the second bow are sliding
The side wall in road is respectively equipped with third threaded hole；Slide is withstood by the bolt being mounted on the third threaded hole.
Specifically, it is described take aim at a device include: the cross on the first bow and/or the second bow take aim at quantity be two,
And two crosses take aim at interval fix, and two crosses take aim at intermediate grafting optical fiber.
Specifically, first pressing plate and the second pressing plate are being equipped with the first bow or the second bow contact surface respectively
The wrong ruler of uniform scale.
Specifically, a ruler is taken aim at equipped with uniform scale in the surface of the first shelf and the second shelf；A position is contacted with a ruler is taken aim at
The first bow or the second bow set are equipped with the mark for having dent or protrusion.
Specifically, first pressing plate and the second pressing plate are on the position contacted respectively with the first bow and the second bow
Equipped with mutually identical ripple.
Compared with prior art, the utility model has the beneficial effects that by the flexible of vertical and horizontal both direction and
It is fixed, it is ensured that in the situation that play is fixed, the position for adjusting catapult itself obtains identical fire effect.And cleverly
Using devices such as optical fiber, efficient, reasonable solves tradition by the defect of experience shooting catapult.
Detailed description of the invention
Fig. 1 is overall structure diagram in the utility model；
Fig. 2 is the structural schematic diagram for bending seat in the utility model；
Fig. 3 is the enlarged drawing of the first bow in the utility model；
Fig. 4 is the structural schematic diagram for bending seat and the first shelf in the utility model and connecting with the second shelf；
Fig. 5 is the schematic diagram after splitting at A-A in Fig. 4；
Fig. 6 be the utility model in bowgrip split after schematic diagram of internal structure.
In figure: 1 bowgrip, 11 telescopic chutes, 111 through holes, 112 first threaded holes, 12 telescopic chutes, 2 bow seats, 21 bow tongues,
211 slide openings, 212 limit roads, 3 first connection frames, 31 anchor points, 4 second connection frames, 41 second threaded holes, 5 first shelves, 51
First bow slideway, 6 second shelves, 61 second bow slideways, 7 first bows, 8 second bows, 91 first pressing plates, 92 second pressures
Plate, 93 correction holes, 94 crosses take aim at, 95 card holes, 96 wrong rulers, 97 slides, 971 third threaded holes, 98 take aim at a ruler, 981 marks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Shown in Fig. 1 to 6, a kind of catapult, comprising:
Bowgrip 1, one end are connect by longitudinal extension portion with bow seat 2；When in use, it is horizontal to hold bowgrip 1 by player
To holding.After player fixes a kind of play, the distance that hand handle rubber band elongates will be secured.It but is not each
The coefficient of elasticity of the rubber band of root is the same, therefore encounters the smaller rubber band of coefficient of elasticity, appropriate can be extended
Bend 2 opposing arch of seat 1 relative distance, thus compensates for the rubber band of two different coefficient of elasticity in fixed play to bullet
The influence of accuracy.
Bend seat 2, both ends are connect with the first shelf 5 and the second shelf 6 respectively by transversal stretching portion, the longitudinal extension
The straight-line trajectory in portion is vertical with the straight-line trajectory in transversal stretching portion.Since catapult is all laterally to hold, therefore this is just
So that the first shelf 5 or the second shelf 6 have one must above, and the two shelves are all placed vertically.It considers
The play and habit that the size of bullet, the size of two rubber band angles and player itself fix, all can be to 5 He of the first shelf
Second shelf, 6 opposing arch seat, 2 relative distance changes.Further, the surface of the first shelf 5 and the second shelf 6 is equipped with uniform
Scale takes aim at a ruler 98；Being equipped with one with the first bow 7 or the second bow 8 for taking aim at 98 contact position of a ruler has dent or protrusion
Mark 981.
First shelf 5 connects the first bow 7 by first portion of sliding laterally, and the second shelf 6 slides laterally portion by second
Connect the second bow 8, and first slides laterally portion's straight-line trajectory and second to slide laterally portion's straight-line trajectory conllinear, leads to
Cross first slide laterally portion and second slide laterally portion can accomplish change the distance between the first bow 7 and the second bow 8；For
The accuracy for improving design, when being shot to distant object object, it is assumed that above, the second bow 8 is under the first bow 7
Side, then in order to obtain farther away decisive range, thus it is possible to vary the distance between the first bow 7 and the second bow 8 allow and penetrate
Bullet angle and horizontal plane after out have an angle, bullet can be allowed to move under parabolical track using this angle,
And then it is mapped to the object of distant place.
It is detachably connected the first pressing plate 91 and the second pressure respectively in two longitudinal sides of the first bow 7 and the second bow 8
The effect of plate 92, the first pressing plate 91 and the second pressing plate 92 is exactly for clamping flat rubber band；It can for circular rubber band
With fixed by being symmetrically equipped with the card hole 95 that several fix rubber band on the first bow 7 and the second bow 8, circular rubber
The method that muscle is fixed in card hole 95 can be method in the prior art.For the correction hole for correcting bullet shooting face
93, specific application method, the remaining light that can be player's eyes after the rubber band that furthers can observe these correction holes 93.Because
The aperture that correction hole 93 is through, these apertures have certain light transmission, if these correction holes 93 can see light
It is bright, illustrate among the shooting face just the vertical target object and human eye that are made of the first bow 7 and the second bow 8 at this time.Keep this
Kind is vertically conducive to go out this vertical shooting surface launching of bullet.Be conducive to the smallest reduction firing error.And for adjusting mesh
Mark object, shooting point and 3 points of taking aim at for a device at line of human eye, take aim at a device main function be exactly in order to determine bullet from
The direction that emits after catapult is detached from, this purpose for taking aim at a device is a little identical with taking aim in general sense, but be specific to how
More preferable precision fire is gone out, but is very different.
The principles of the present invention: since tellurian object can all be influenced by terrestrial gravitation, then same hair
The bullet being shot out also will receive the influence of terrestrial gravitation acceleration.Specifically it is such that
Either adjust the catapult for taking aim at bow or other forms.Since everyone play is different, in fixed play
Afterwards, defensive position pull open rubber band positioning draw away from be it is fixed, after repeatedly practicing, people can adapt to the thickness of rubber band
Degree, taper, length and configure steel ball difference brought by difference.And since the flying distance of general bullet is at 10 meters
Interior deviation very little, thus the utility model focus on consider be more than 10 meters of distance.
In order to obtain higher fire accuracy, need to be calculated:
Firstly, calculating kinetic energy according to fixed play(quality of M steel ball, the speed of V steel ball).
Secondly, using acceleration of gravity formula,With, steel ball is calculated remote more than 10 meters
Drop point distance.
Again, focal point to directrix range formula is utilized, calculate Y-axis focus (namely taking aim at a little)
Functional relation between X-axis directrix (the namely fixed actual distance of play).
It has been to take aim at a little with 10 meters of points, has been taken aim at using mark 981 and move 3 millimeters on ruler 98 as the practical reference number for shooting 5 meters
According to.(m=3, a=1.5, s=0.75)
| 10 meters | 15 meters | 20 meters | 25 meters | 30 meters |
| Starting is taken aim at a little | a+s | m+a+2s | m+3a+3s | m+4a+4s |
| Transmitting range | 2.25mm | 6mm | 9.75mm | 12mm |
For example: it is taken aim at a little based on 10 meters according to play, it is actual to take aim at a little if object is at 15 meters
It is taken aim at lower section 2.25mm a little 10 meters of positions.Correspondingly, actual take aim at a little should if the object of shooting is at 20 meters
A 6mm for lower section is taken aim on 10 meters of bases.Remaining and so on.
The application method of the utility model specifically may be such that
After installing rubber band and other items, when then finding 10 meters of bases by practical shooting and take aim at, mark 981 exists
The position on a ruler 98 is taken aim at, then according to the departure of calculating.It, can be by adjusting shooting after distance of the object at 15 meters
A lower section 2.25mm o'clock is taken aim in taking aim at for going out at 10 meters.Thus can precisely it shoot.Meanwhile for being pulled before and after catapult play
It is fixed for opening distance, but for the rubber band of different coefficient of elasticity, can specifically be improved by embodiment one.
Embodiment one: the longitudinal extension portion includes: to be located at 1 one end of bowgrip longitudinally perforative telescopic chute 11, in telescopic chute
It is connect by telescopic chute 12 with block-like 21 longitudinal sliding motion of bow tongue on bow seat 2 is fixed in 11；The bow tongue 21 is equipped with and passes through
The slide opening 211 for wearing kidney-shaped pore structure is equipped with stair-stepping limit road 212 in 211 contour edge of slide opening；It is set on the telescopic chute 11
There is circular through hole 111, the first threaded hole 112 is equipped in the bowgrip 1 of 111 center of through hole；And bow tongue 21 passes through
The bolt in the first threaded hole 112 is mounted on fixed in bowgrip 1.It is tightened on the first threaded hole 112 in bowgrip 1 in bolt
When, because of stair-stepping limit road 212, bow tongue 21 can be directly pressed in bowgrip 1 by bolt.By adjusting bowgrip
Relative distance between 1 and bow tongue 21, so that it may it is effective to adjust after play is fixed, obtain different elastic forces.
In order to adjust the relative distance of 6 opposing arch seat 2 of the first shelf 5 and the second shelf, therefore embodiment two: the transverse direction
Pars contractilis includes: the structure that runs through that bow seat 2 is transverse direction, and through the interior grafting respectively of structure: first fixed with the first shelf 5
Connection frame 3, second connection frame 4 fixed with the second shelf 6；Several etc. are equipped on the first connection frame 3 and the second connection frame 4
Away from spill anchor point 31,2 side of bow seat being in contact with anchor point 31 be equipped with the second threaded hole 41；And screw passes through second
It is withstood on after threaded hole 41 on anchor point 31.
Embodiment three: first portion of sliding laterally includes: the first bow slideway 51 being located on the first shelf 5, this
The slide 97 for being fixed on 7 bottom of the first bow is equipped in one bow slideway 51；
Second portion of sliding laterally includes: the second bow slideway 61 being located on the second bow 8,
The slide 97 for being fixed on 8 bottom of the second bow is equipped in the second bow slideway 61；Slide 97 can be respectively
Sliding in one bow slideway 51 and the second bow slideway 61, for adjusting the transmitting range in table.
After the good distance of revision, the side wall of the first bow slideway 51 and the second bow slideway 61 is respectively equipped with
Third threaded hole 971；Slide 97 is withstood by the bolt being mounted on the third threaded hole 971, may be implemented solid
It is fixed.
After correction hole 93 determines the plane of departure, further, a device of taking aim at includes: the first bow 7 and/or
It is two that cross on two bows 8, which takes aim at 94 quantity, and two crosses are taken aim at 94 intervals and fixed, and two crosses take aim at 94 intermediate grafting
Optical fiber.Because the manpower palm is not to be particularly easy to fix the plane of departure, emit so if being corrected only by correction hole 93
Plane is not that can obtain precisely to shoot.Therefore the small sircle hole in 94 is taken aim at by cross.When two crosses take aim at it is small in 94
After circular hole is aligned coincident with, so that it may which the direction that judges outgoing, object and 3 points of human eye have sometimes at line because of cross
The small sircle hole taken aim on 94 is smaller, therefore light passes through less, and aiming when is harder.Therefore by increasing optical fiber
Method can be improved efficiently and light is allowed to take aim at 94 across cross, and if catapult inclination, eye-observation optical fiber can be one
Bar line, but for 3 points at line the case where, eye-observation optical fiber is only a bright spot, this bright spot can precisely arrive target
Object.
Example IV: because rubber band has round and flat two kinds of structures, in order to which more balanced installs flat rubber band,
First pressing plate 91 and the second pressing plate 92 are being equipped with uniform scale with the first bow 7 or 8 contact surface of the second bow respectively
Wrong ruler 96, wrong ruler 96 can be accurate to the position that flat rubber band steps up, and the rubber band at such both ends just has scale can be according to
According to, guarantee installation rubber band in the same height.For more solid clamping rubber band, further, first pressing plate
91 and second pressing plate 92 mutually identical ripple is equipped on the position contacted respectively with the first bow 7 and the second bow 8.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of catapult characterized by comprising bowgrip (1), one end are connect by longitudinal extension portion with bow seat (2)；Bend seat
(2), both ends are connect respectively by transversal stretching portion with the first shelf (5) and the second shelf (6), the longitudinal extension portion it is straight
Line motion profile is vertical with the straight-line trajectory in transversal stretching portion；First shelf (5) passes through first portion of sliding laterally connection the
One bow (7), the second shelf (6) is by second portion of sliding laterally connection the second bow (8), and first slides laterally portion's straight line fortune
Dynamic rail mark and second to slide laterally portion's straight-line trajectory conllinear；In two sides of the first bow (7) and the second bow (8) longitudinal direction
Face is detachably connected the first pressing plate (91) and the second pressing plate (92) respectively；It is symmetrically set on first bow (7) and the second bow (8)
There are several to fix the card hole (95) of rubber band, the correction hole (93) that several amendment bullets shoot faces, and adjustment object,
Shooting point takes aim at a device at line with 3 points of human eye.
2. catapult according to claim 1, it is characterised in that: the longitudinal extension portion includes: to be located at bowgrip (1) one end to indulge
To perforative telescopic chute (11), passes through telescopic chute (12) in telescopic chute (11) and be fixed on block-like bow tongue on bow seat (2)
(21) longitudinal sliding motion connects；Bow tongue (21) is equipped with the slide opening (211) through kidney-shaped pore structure, in slide opening (211) profile
Edge is equipped with stair-stepping limit road (212)；The telescopic chute (11) is equipped with circular through hole (111), in through hole
(111) the first threaded hole (112) are drilled in the bowgrip (1) of center；And bow tongue (21) is by being mounted on the first threaded hole
(112) bolt in is fixed on bowgrip (1).
3. catapult according to claim 1, it is characterised in that: the transversal stretching portion includes: to bend seat (2) to pass through for lateral
Structure is worn, and through the interior grafting respectively of structure: fixed the first connection frame (3) and the second shelf (6) with the first shelf (5)
Fixed the second connection frame (4)；Several equidistant spill positioning are equipped on the first connection frame (3) and the second connection frame (4)
Point (31), bow seat (2) side being in contact with anchor point (31) are equipped with the second threaded hole (41)；And screw passes through the second screw thread
It is withstood on behind hole (41) on anchor point (31).
4. catapult according to claim 1, it is characterised in that: first portion of sliding laterally includes: to be located at the first shelf
(5) the first bow slideway (51) on, the first bow slideway (51) is interior to be equipped with the slide for being fixed on the first bow (7) bottom
(97)；Second portion of sliding laterally includes: the second bow slideway (61) being located on the second bow (8), and second bow is sliding
The slide (97) for being fixed on the second bow (8) bottom is equipped in road (61)；First bow slideway (51) and the second bow slideway
(61) side wall is respectively equipped with third threaded hole (971)；Slide is withstood by the bolt being mounted on the third threaded hole (971)
(97).
5. catapult according to claim 1, it is characterised in that: a device of taking aim at includes: the first bow (7) and/or
It is two that cross on two bows (8), which takes aim at (94) quantity, and two crosses are taken aim at (94) interval and fixed, and two crosses are taken aim in (94)
Interleave then optical fiber.
6. catapult according to claim 1, it is characterised in that: first pressing plate (91) and the second pressing plate (92) are respectively
The wrong ruler (96) of uniform scale is equipped with the first bow (7) or the second bow (8) contact surface.
7. catapult according to claim 1, it is characterised in that: the surface of the first shelf (5) and the second shelf (6) is equipped with equal
Even scale takes aim at a ruler (98)；Being equipped with one with the first bow (7) or the second bow (8) for taking aim at a ruler (98) contact position has
The mark (981) of dent or protrusion.
8. catapult according to claim 1 or 6, it is characterised in that: first pressing plate (91) and the second pressing plate (92) exist
The position contacted respectively with the first bow (7) and the second bow (8) is equipped with mutually identical ripple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820948517.7U CN208419730U (en) | 2018-06-20 | 2018-06-20 | A kind of catapult |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820948517.7U CN208419730U (en) | 2018-06-20 | 2018-06-20 | A kind of catapult |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208419730U true CN208419730U (en) | 2019-01-22 |
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ID=65109590
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820948517.7U Expired - Fee Related CN208419730U (en) | 2018-06-20 | 2018-06-20 | A kind of catapult |
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| Country | Link |
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| CN (1) | CN208419730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507404A (en) * | 2018-06-20 | 2018-09-07 | 刘永恒 | A kind of catapult |
-
2018
- 2018-06-20 CN CN201820948517.7U patent/CN208419730U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507404A (en) * | 2018-06-20 | 2018-09-07 | 刘永恒 | A kind of catapult |
| CN108507404B (en) * | 2018-06-20 | 2024-01-26 | 刘永恒 | Slingshot |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 |