CN205748113U - Height is the most durable facilitates catapult - Google Patents

Abstract

A kind of height is the most durable facilitates catapult, and it includes shelf and elastic force rubber band；Shelf includes that handle (11), handle (11) upper end are provided with two bow arms, the i.e. first bow arm (12) and the second bow arm (13)；Elastic force rubber band includes the first elastic force rubber band (21) and (22) two elastic force rubber bands of the second elastic force rubber band；First bow arm (12) and the second bow arm (13) are respectively provided with card and fill the rubber band draw-in groove (121,131) of the first elastic force rubber band (21) and the second elastic force rubber band (22)；One end of first elastic force rubber band (21) and the second elastic force rubber band (22) is installed on the first bow arm (12) and second respectively and bends in the rubber band draw-in groove (121,131) that arm (13) is respectively equipped with.Its elastic force rubber band can durable in use, change quick, accurate run-home can be carried out.

Description

Height is the most durable facilitates catapult

Technical field

This utility model relates to a kind of catapult, and particularly a kind of height is the most durable facilitates catapult.

Background technology

Catapult is a kind of ancient cold steel, is mainly used to that a shot at a bird shoot bird, hunting etc.；At present, catapult is seldom for a shot at a bird shoot bird, hunting Etc. purpose, currently mainly it is used for playing, game etc..

Catapult includes shelf, elastic force rubber band and plays pocket；Shelf includes that handle, handle upper end are respectively equipped with the first bow arm and Two bows arm (being referred to as left bow arm and right bow arm), simple shelf typically makes of the branch of trees, in " bifurcation " font, closely The metal materials such as generation main employing ferrum are made；Elastic force rubber band includes that the first elastic force rubber band and the second elastic force rubber band (can also It is referred to as left elastic force rubber band and right elastic force rubber band), the first elastic force rubber band and second elastic force rubber band one end hold (winding) respectively the On one bow arm and the second bow arm, and bent on arm at the first bow arm and second by tether stitch respectively；First elastic force rubber band and The other end of two elastic force rubber bands is connected with the bullet pocket being used for catching hoodle (or claiming bullet) respectively, plays pocket and typically uses more solid Skin bit make face become.Although this catapult can be used for launching hoodle, it is used for hitting the mark.But it has the following disadvantages it Place:

1, elastic force rubber band uses with bow arm and is wrapped on bow arm, then by tether stitch, tether tends to elastic force skin Muscle damages, and easily causes the fracture of elastic force rubber band；

2, elastic force rubber band uses with bow arm and is wrapped on bow arm, then by tether stitch, operation complexity, the time is long, it is impossible to Realize quick-replaceable elastic force rubber band, especially when taking part in the match, if elastic force rubber band goes wrong, generally require and be lot more time to More finish changing, the most often waste fixture, it is easy to cause negatively affecting at the bottom of the heart to athlete, affect games results；

3, this catapult does not has sighting device (benchmark or structure), and user often can only hit with feeling to be shot at Accuracy rate is very poor.

Summary of the invention

The purpose of this utility model is to overcome the above-mentioned deficiency of prior art to provide a kind of the most durable catapult that facilitates of height, Its elastic force rubber band can durable in use, change quick, accurate run-home can be carried out.

The technical solution of the utility model is: a kind of height is the most durable facilitates catapult, and it includes shelf and elastic force rubber band；Bow Frame includes that handle, handle upper end are provided with two bow arms, the i.e. first bow arm and the second bow arm；Elastic force rubber band includes the first elastic force rubber band With two elastic force rubber bands of the second elastic force rubber band；First bow arm and the second bow arm are respectively provided with card and fill the first elastic force rubber band and the The rubber band draw-in groove of two elastic force rubber bands；One end of first elastic force rubber band and the second elastic force rubber band is installed on the first bow arm and second respectively In the rubber band draw-in groove that bow arm is respectively equipped with.

The further technical scheme of this utility model is: described elastic force rubber band is the flat skin that elastomeric material is made Band, rubber band draw-in groove is the flat slotted eye adapted with elastic force rubber band that fore-and-aft direction penetrates；Two rubber band draw-in grooves lay respectively at First bow arm and the second bow arm terminal position.

This utility model further technical scheme is: the thickness that height is elastic force rubber band of described rubber band draw-in groove 1/1st to two/4th；The width of rubber band draw-in groove adapts with the width of elastic force rubber band.

This utility model further technical scheme is: further respectively have ditch on the first described bow arm and the second bow arm The logical extraneous rubber band mounting groove with rubber band draw-in groove.

This utility model also further technical scheme is: described rubber band mounting groove is out of square with rubber band draw-in groove；Skin Muscle draw-in groove is level trough or vertical Cao；Rubber band draw-in groove is axially fore-and-aft direction, i.e. indulges plane with shelf perpendicular.

The further technical scheme of this utility model is: described first bow arm or/and the side of the second bow arm be provided with The aiming bar that firing direction is consistent is or/and aim at groove.

The further technical scheme of this utility model is: rubber band draw-in groove extends to bend outside arm, forms breach shape.

The further technical scheme of this utility model is: aim at bar or/and aim at groove lay respectively at the first bow arm or/and The second bow outside of arm, inner side or upside, and with corresponding with rubber band draw-in groove (121,131) position respectively；Aim at bar or/and take aim at Quasi-groove is one or more.

The further technical scheme of this utility model is: the first elastic force rubber band and the second elastic force rubber band are one and are connected Elastic force rubber band.

The further technical scheme of this utility model is: it also includes playing pocket, the first elastic force rubber band and the second elastic force rubber band The other end respectively with play pocket be connected；Shelf is overall in " bifurcation " shape, and shelf uses metal material to be made；The handle of shelf Be additionally provided with on front-back be easy to hold hold plate.

This utility model compared with prior art has a characteristic that

Rubber band draw-in groove the most of the present utility model makes the binding that elastic force rubber band need not any tether, installs, changes more Fast, save trouble and labor, and it is accurate (left and right length adjustment etc.) to install also reason；

2. the height of rubber band draw-in groove be elastic force rubber band thickness 1/1st to two/4th, thus can ensure that bullet Power rubber band can be clamped in rubber band draw-in groove well, will not press from both sides again bad elastic force rubber band；

3. the thickness of the gripping section of elastic force rubber band is less than revealed section, so at gripping section with both sides, revealed section junction respectively Forming two stairstepping blocking arms, stairstepping blocking arm makes whole elastic force rubber band be difficult to playing pocket one side slip, simultaneously also as press from both sides The reason that the section of holding is clamped by rubber band draw-in groove, just can be clamped in bow arm well；

4. for further facilitating, elastic force rubber band is installed in rubber band draw-in groove, to improve rubber band installation rate, the first bow arm The communication external world is further respectively had with on the second bow arm；

5. the side of bow arm is provided with the aiming bar consistent with firing direction or/and aim at groove, it is achieved the purpose of fine sight；

6. rubber band draw-in groove forward direction is basically identical with firing direction (the most also with aiming bar or/and aim at the axial base of groove This is consistent), so so that when pull-up elastic force rubber band, it is curved that elastic force rubber band will not form a short-term loan at daily interest in bow arm junction, Reduce elastic force rubber band and draw the probability of damage, well protection elastic force rubber band.

Below in conjunction with the drawings and specific embodiments, detailed construction of the present utility model is further described.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the A-A sectional view of Fig. 1；

Fig. 3 is that Fig. 2 is along the partial enlarged drawing in the range of A line；

Fig. 4 is the left view of Fig. 1；

Fig. 5 is the B-B sectional view of Fig. 4；

Fig. 6 is that Fig. 5 is along the partial enlarged drawing in the range of C line；

Fig. 7 is the top view of Fig. 1；

Fig. 8 is perspective view of the present utility model；

Fig. 9 is that Fig. 8 is along the partial enlarged drawing in the range of D line；

Figure 10 is the structural representation of shelf of the present utility model；

Figure 11 is the left view of Figure 10；

Figure 12 is the E-E sectional view of Figure 11；

Figure 13 is that Figure 12 is along the partial enlarged drawing in the range of F line；

Figure 14 is the perspective view at a visual angle of shelf of the present utility model；

Figure 15 is the perspective view at another visual angle of shelf of the present utility model；

Figure 16 is another form structure schematic diagram of the rubber band draw-in groove of shelf of the present utility model；

Figure 17 is another form structure schematic diagram of the rubber band draw-in groove of shelf of the present utility model.

Detailed description of the invention

Embodiment 1

As shown in figs 1-9: a kind of height is the most durable facilitates catapult, and it includes shelf, elastic force rubber band and plays pocket 3；Shelf bag Including handle 11, handle 11 upper end is provided with two bow arms, and the i.e. first bow arm 12 and the second bow arm 13 (can also be called left bow Arm and right bow arm), the first bow arm 12 and the second bow arm 13 form bow fork, and the most whole shelf is " bifurcation " shape, and shelf mainly uses ferrum It is made in metal material；Elastic force rubber band includes that the first elastic force rubber band 21 and the second elastic force rubber band 22 (can also be called Left elastic force rubber band and right elastic force rubber band), elastic force rubber band typically uses the elastic preferably materials such as rubber to be made, and it is generally Flat (i.e. cloth is band-shaped)；

First bow arm 12 and the second bow arm 13 are respectively equipped with the level that front and back penetrates (with Fig. 1, the position of 4 near terminal position Level for reference) rubber band draw-in groove (121,131) (if Figure 10 is to shown in 15)；First elastic force rubber band 21 and the second elastic force rubber band One end of 22 is installed on the first bow arm 12 and second respectively and bends in the rubber band draw-in groove (121,131) that arm 13 is provided with；First elastic force skin Muscle 21 is connected with bullet pocket 3 respectively with the other end of the second elastic force rubber band 22.

The height of rubber band draw-in groove (121,131) is generally elastic force rubber band (first elastic force rubber band 21 or the second elastic force rubber band 22) Thickness 1/1st to two/4th, thus can ensure that elastic force rubber band can be clamped in well rubber band draw-in groove (121, 131) in, will not press from both sides again bad elastic force rubber band, the thickness of the gripping section (211,221) of elastic force rubber band (such as Fig. 3, shown in 6) is less than outward Dew section (212,222), be the most only in extended position revealed section (212,222) thickness 1/1st to two/4th, this Sample forms two stairstepping blocking arms (223, first respectively in gripping section (211,221) and revealed section (212,222) both sides, junction Elastic force rubber band 21 corresponding site accompanying drawing is shown without this structure, and its structure is the most identical), during use, elastic force rubber band is being drawn During power, stairstepping blocking arm makes whole elastic force rubber band be difficult to playing pocket 3 one side to slide, simultaneously also as gripping section (211,221) The reason clamped by rubber band draw-in groove (121,131), elastic force rubber band need not the binding of any tether, just can be clamped in bow well In arm；The width of rubber band draw-in groove (121,131) and the width of elastic force rubber band adapt (the most suitable), can be the narrowest or slightly wider, But the most too narrow, the technical program is not emphasized at width elastic force rubber band excessive compression.

Elastic force rubber band is installed in rubber band draw-in groove (121,131) for further facilitating, to improve rubber band installation rate, the Further respectively have on one bow arm 12 and the second bow arm 13 and link up extraneous (bow arm peripheral space) and rubber band draw-in groove (121,131) Rubber band mounting groove (122,132), rubber band mounting groove (122,132) is the most out of square (such as Fig. 6 with rubber band draw-in groove (121,131) Shown in), so easily facilitate the installation of elastic force rubber band, during use, it is only necessary to strained by the end of elastic force rubber band, by one checkpost Enter in rubber band mounting groove (122,132), more laterally toward rubber band draw-in groove (121,131) direction pultrusion, until elastic force rubber band is complete Entirely snapping in rubber band mounting groove (122,132) (as shown in figs 1-9), this installation typically has only to several seconds just can complete, And have only to a people and just can complete.Certainly the shape of rubber band draw-in groove (121,131) can also carry out that some are flexible, such as, Shown in Figure 16, differ is set to level design to rubber band draw-in groove (121,131), can be vertically design completely, it is also possible to be any one Planting angle design, certainly, level design is more convenient for aiming at vertically design.In fact, rubber band mounting groove (122,132) is the most not necessarily Being necessary technical characteristic, it completes to omit and integrates with rubber band draw-in groove (121,131) in other words, such as, and Figure 17 Shown in, as long as extending to rubber band draw-in groove (121,131) bend outside arm, form breach shape the most permissible, although this structure belongs to Design of the present utility model, but compared with the technology shown in Fig. 6,13,16, its elastic force rubber band stability is typically lower.This A little accommodations belong to the conversion of simple equivalent technologies, belong to design of the present utility model, belong to protection model of the present utility model Enclose.

Owing to this utility model uses the rubber band draw-in groove of strip to install elastic force rubber band, elastic force rubber band pull-up, it is upper and lower In-plane is consistent with firing direction, but direction is difficult to control to around, and for improving aiming rate, this utility model uses and takes aim in length and breadth The mode that standard combines, i.e. bend arm (the first bow arm 12 and the second bow arm 13) side (outside, as Fig. 1,5,8, shown in 10-16； Can also be inner side or upside, accompanying drawing be shown without this structure, and outside is preferable with upside, because will not be affected by elastic force rubber band Sight line；Typically it is not positioned on front side or rear side, because being so unable to reach the purpose front and back carrying out aiming at；Preferably with respectively with Rubber band draw-in groove (121,131) position is corresponding, so easily facilitates when straining elastic force rubber band so that elastic force rubber band above-below direction With aiming bar (123,133) or/and aiming groove (124,134) is consistent, it is achieved the purpose precisely aimed at) it is provided with and firing direction one The aiming bar (123,133) caused is or/and aim at groove (124,134), and described firing direction is i.e. from the company of hoodle 4 with goal Line direction, it is substantially vertical that it indulges plane up and down with bow arm, with rubber band draw-in groove (121,131) forward direction (i.e. axial, generally water Square to, indulge in-plane with shelf vertical) basically identical.Rubber band draw-in groove (121,131) forward direction is basic with firing direction Unanimously can also bring a kind of benefit so that when pull-up elastic force rubber band, elastic force rubber band will not form one in bow arm junction Make a short-term loan on curved (during elastic force rubber band pull-up, it will not form bending at gripping section (211,221) place, is still linearity), can subtract Few elastic force rubber band draws the probability of damage, well protection elastic force rubber band.Aim at bar (123,133) and aim at groove (124,134) Can being one or more, (generally 1-3 bar, be respectively two about the aiming groove shown in each accompanying drawing, aims at about bar respectively It it is one).

People play catapult, pull-up bullet pocket 3 since ancient times, are kept and run-home direction one by elastic force rubber band above-below direction Cause, owing to two elastic force rubber band left and right directions are to intersect (line shape before i.e. two elastic force rubber bands and bow arm at an angle Become triangle), the left and right directions of elastic force rubber band and goal are inconsistent, and shoot left and right directions and aim at the most by rule of thumb Target, it is impossible to the purpose reaching precisely to aim at and precisely shooting；And flat elastic force rubber band of the present utility model, flat rubber band card Groove (121,131), aim at bar (123,133) or/and aim at groove (124,134) and match, can reach precisely to aim at and precisely The purpose of shooting.During use, first hoodle 4 is wrapped in bullet pocket 3, then by right to aiming bar (123,133) or aiming groove (124,134) Quasi-goal, then pull-up bullet pocket 3, keep elastic force rubber band above-below direction and aim at bar (123,133) or/and aim at groove (124,134) direction is consistent, it is possible to shoot, when having a plurality of aiming bar (123,133) and aiming at groove (124,134), for More accurate, can comprehensively several aiming, more accurately, it is also possible to one aim at bar (123,133) and aiming groove (124, 134) being as the criterion, remaining light is somewhat with reference to once other aim at bar (123,133) and aim at groove (124,134)；Owing to aiming at bar (123,133) are or/and aiming at groove (124,134) fore-and-aft direction is to have certain length (such as Fig. 4,8,9,11,14,15 institute Show), in realization while lower aiming, it is also possible to carry out windage, which overcome traditional elastic force rubber band at left and right directions Cannot carry out, with goal, the difficult problem that aims at, reach the purpose of accurate shooting.

Certainly, sometimes, playing pocket 3 can omit, and the i.e. first elastic force rubber band 21 and the second elastic force rubber band 22 are one and are linked to be The elastic force rubber band of one, will use directly as bullet pocket 3 in the middle part of elastic force rubber band, and this is only a kind of simple transformation, does not affect this The protection domain of utility model.

During use, when elastic force rubber band or bullet pocket 3 go wrong, owing to elastic force rubber band is only installed on shelf On, do not use any rope to bundle, can be quickly by two elastic force rubber bands (the i.e. first elastic force rubber band 21 and the second elastic force Rubber band 22) take off from shelf, the elastic force rubber band the most more renewed, it is usually together with the bullet pocket 3 one being connected with elastic force rubber band With changing, whole replacing is exactly the time of several seconds.

For convenience of making, shelf uses metal to make, for the shape (as shown in fig. 10-15) of uniform thickness；For ease of handgrip, Be additionally provided with on face before and after the handle 11 of shelf with hands hold that shape adapts hold plate 14, handle 11 is provided with for fixing Hold the fixing hole 111 of plate 14.

This utility model is not limited to above-mentioned concrete structure, the access node as long as shelf employing draw-in groove is connected with elastic force rubber band Structure is or/and be provided with and aim at bar (123,133) or/and the catapult aiming at groove (124,134) just falls at protection model of the present utility model Within enclosing.

Claims (10)

1. high the most durable facilitating a catapult, it includes shelf and elastic force rubber band；Shelf includes handle (11), on handle (11) End is provided with two bow arms, the i.e. first bow arm (12) and the second bow arm (13)；Elastic force rubber band includes the first elastic force rubber band (21) and Two elastic force rubber band (22) two elastic force rubber bands；It is characterized in that: the first bow arm (12) and the second bow arm (13) are respectively provided with card Fill the rubber band draw-in groove (121,131) of the first elastic force rubber band (21) and the second elastic force rubber band (22)；First elastic force rubber band (21) and One end of two elastic force rubber bands (22) is installed on the first bow arm (12) and second respectively and bends the rubber band draw-in groove that arm (13) is respectively equipped with In (121,131).

Height the most according to claim 1 is the most durable facilitates catapult, it is characterized in that: described elastic force rubber band is elastomeric material The flat belt being made, rubber band draw-in groove (121,131) be fore-and-aft direction penetrate flat with what elastic force rubber band adapted Slotted eye；Two rubber band draw-in grooves (121,131) lay respectively at the first bow arm (12) and the second bow arm (13) terminal position.

Height the most according to claim 1 and 2 is the most durable facilitates catapult, it is characterized in that: described rubber band draw-in groove (121, 131) height is 1st/to two/4th of the thickness of elastic force rubber band；The width of rubber band draw-in groove (121,131) and elastic force The width of rubber band adapts.

Height the most according to claim 1 and 2 is the most durable facilitates catapult, it is characterized in that: the first bow arm (12) and the second bow Further respectively have on arm (13) and link up the extraneous rubber band mounting groove (122,132) with rubber band draw-in groove (121,131).

Height the most according to claim 4 is the most durable facilitates catapult, it is characterized in that: described rubber band mounting groove (122, 132) out of square with rubber band draw-in groove (121,131)；Rubber band draw-in groove (121,131) is level trough or vertical Cao；Rubber band draw-in groove (121,131) are axially fore-and-aft direction, i.e. indulge plane with shelf perpendicular.

Height the most according to claim 1 and 2 is the most durable facilitates catapult, it is characterized in that: described rubber band draw-in groove (121, 131) extend to bend outside arm, form breach shape.

Height the most according to claim 1 and 2 is the most durable facilitates catapult, it is characterized in that: described first bow arm (12) or/ It is provided with the aiming bar (123,133) consistent with firing direction or/and aim at groove (124,134) with the side of the second bow arm (13).

Height the most according to claim 7 is the most durable facilitates catapult, it is characterized in that: described aiming bar (123,133) or/ With aim at groove (124,134) lay respectively at the first bow arm (12) or/and second bow arm (13) outside, inner side or upside, and with Corresponding with rubber band draw-in groove (121,131) position respectively；Aim at bar (123,133) or/and aim at groove (124,134) be one with On.

Height the most according to claim 1 and 2 is the most durable facilitates catapult, it is characterized in that: the first described elastic force rubber band (21) and the second elastic force rubber band (22) is an elastic force rubber band being connected.

Height the most according to claim 1 and 2 is the most durable facilitates catapult, it is characterized in that: its also include play pocket (3), first Elastic force rubber band (21) is connected with bullet pocket (3) respectively with the other end of the second elastic force rubber band (22)；Shelf is overall in " bifurcation " shape, bow Frame uses metal material to be made；Be additionally provided with on handle (11) front-back of shelf be easy to hold hold plate (14).