CN206469769U - Arculae - Google Patents

Abstract

The utility model provides a kind of arculae, it is assembled on bow handle, the arculae includes assembling section along the direction away from the bow handle successively, first arc section, second arc section, three-arc section, 4th arc section and bowstring construction section, first arc section and second arc section are tangent, the three-arc section is tangent with second arc section and the 4th arc section respectively, setting that first arc section is arranged to the center of circle of the 4th arc section in homonymy and radius tapers off, the bowstring construction section each side offers the relative inclined bowstring storage tank of the bowstring construction section, the groove depth of the bowstring storage tank is more than the diameter of the bowstring, the end of the bowstring construction section is separated out an anticreep barb by the bowstring storage tank, so that the arculae of the present utility model being installed on bow handle draws sense more preferable, and bowstring will not fall off in overpull, effectively prevent the bowstring that user is come off from injuring.

Description

Arculae

Technical field

The utility model is related to a kind of component of bow and arrow, more particularly to a kind of arculae on bow handle.

Background technology

As economic continues to develop and social continuous progress, various material consumptions are provided for the life of people Product, and the bow and arrow of exercise is exactly one kind in many material consumption product.

It is well known that the bow and arrow of exercise is made up of bow and arrow this two parts.Wherein, for existing bow, its The main bowstring structure by holding the bow handle taken, the arculae for being assembled in bow handle both sides and assembling arculae end for user Into.

At present, in the arculae of existing bow, because its structure design is unreasonable and there is the defect for drawing sense difference, meanwhile, In user's overpull, bowstring also comes off at arculae, causes user to have the danger injured by the bowstring that comes off, security is not Foot；On the one hand ease of use of the user to bow is had influence on, user is on the other hand also wasted because again by the bowstring come off Time of the group at arculae.

Therefore, it is badly in need of wanting a kind of draw to feel good and the arculae that bowstring comes off can be prevented in overpull to overcome above-mentioned defect.

Utility model content

The purpose of this utility model is to provide a kind of arculae for drawing sense well and preventing bowstring from coming off in overpull.

To realize above-mentioned purpose, the utility model provides a kind of arculae, is assembled on bow handle.The arculae is along far Direction from the bow handle includes assembling section, the first arc section, the second arc section, three-arc section, the 4th arc section successively And bowstring construction section, first arc section and second arc section be tangent, and the three-arc section is respectively with described second Arc section and the 4th arc section are tangent, and first arc section to the center of circle of the 4th arc section is arranged in homonymy and radius tapers off Set, the bowstring construction section each side offers the relative inclined bowstring storage tank of the bowstring construction section, the bow The groove depth of string storage tank is more than the diameter of the bowstring, and the end of the bowstring construction section is separated out one by the bowstring storage tank Anticreep barb.

It is preferred that the bowstring construction section and the 4th arc section are tangent.

It is preferred that a reinforcement is extended at the front side position of the bowstring construction section, the reinforcement extends to described anti- At de- barb and barb-shaped integral with the anticreep, the bowstring that the reinforcement is located at the bowstring construction section left and right sides is housed Between groove.

It is preferred that the tapered structure of the reinforcement and vertex of a cone is away from the anticreep barb.

It is preferred that the edge of the external groove sidevall of the bowstring storage tank is arranged in rounding.

It is preferred that the bowstring storage tank on the left of the bowstring construction section holds with the bowstring at bowstring construction section right side It is symmetrical to put groove.

It is preferred that the range of tilt angles of the bowstring storage tank is 20 degree to 30 degree.

It is preferred that the radius of the 4th arc section is 150 millimeters to 155 millimeters.

It is preferred that the leading flank and trailing flank of the anticreep barb respectively be trapezoidal faces, the left surface of the anticreep barb and Right flank is inverted triangle face, and the top surface of the anticreep barb is rectangular surfaces.

Compared with prior art, due to arculae of the present utility model along away from bow handle direction successively include assembling section, First arc section, the second arc section, three-arc section, the 4th arc section and bowstring construction section, the first arc section and the second circular arc Section is tangent, tangent with the second arc section and the 4th arc section respectively, the circle of the first arc section to the 4th arc section of three-arc section Setting that the heart is arranged in homonymy and radius tapers off so that the drawing sense of the arculae of the present utility model being installed on bow handle is more preferable, Improve the experience sense and comfortableness of user.Meanwhile, and the relative bowstring is each side offered due to bowstring construction section The inclined bowstring storage tank of construction section, the groove depth of bowstring storage tank is more than the diameter of bowstring, and bowstring storage tank is by bowstring construction section End be separated out an anticreep barb, therefore have in the presence of the groove depth of bowstring storage tank is more than the diameter of bowstring and anticreep barb Effect ground overcomes user to there is the defect that bowstring comes off at arculae in overpull, effectively prevents that upper user has by the bowstring that comes off The danger injured, therefore security is more preferably, the use for the person of being additionally favorable for use in.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram of an angle of arculae of the present utility model.

Fig. 2 is the dimensional structure diagram of another angle of arculae of the present utility model.

Fig. 3 is the planar structure schematic diagram of arculae of the present utility model.

Embodiment

In order to describe technology contents of the present utility model, construction feature in detail, below in conjunction with embodiment and coordinate accompanying drawing It is described further.

Fig. 1 is referred to Fig. 3, arculae 100 of the present utility model is used to be assembled in bow handle (not shown), makes grip handle Hand, arculae and bowstring three constitute out a bow and come out.Wherein, direction of the arculae 100 of the present utility model along remote bow handle Include assembling section 10, the first arc section 20, the second arc section 30, three-arc the 40, the 4th arc section 50 of section and bowstring peace successively Fill section 60.First arc section 20 and the second arc section 30 are tangent, for example, as shown in figure 3, in the present embodiment, the first circle The segment length of segmental arc 20 is 2 to 3 times of the segment length of the second arc section 30, but is not limited.Three-arc section 40 is justified with second respectively The arc section 50 of segmental arc 30 and the 4th is tangent, for example, as shown in figure 3, the segment length of the second arc section 30 is three-arc section 40 1.5 to 2 times of segment length, and the segment length of the 4th arc section 50 is more than the segment length of three-arc section 40 and less than the second arc section 30 Segment length, but be not limited.Setting that the center of circle of the arc section 50 of first arc section 20 to the 4th is arranged in homonymy and radius tapers off, That is, the center of circle of the first arc section 20, the center of circle of the second arc section 30, the center of circle of three-arc section 40 and the circle of the 4th arc section 50 Heart homonymy arrange, and the radius R1 of the first arc section 20, the radius R2 of the second arc section 30, three-arc section 40 radius R3 and The radius R4 of 4th arc section 50 tapers off arrangement so that the radius R1 of the first arc section 20 is more than the radius of the second arc section 30 R2, the radius R2 of the second arc section 30 are more than the radius R3 of three-arc section 40, and the radius R3 of three-arc section 40 is more than the 4th The radius R4 of arc section 50；For example, in the present embodiment, the radius R4 scopes of the 4th arc section 50 are 150 millimeters to 155 Millimeter, such as 150 millimeters, 152 millimeters, 154 millimeters or 155 millimeters are felt with making user to obtain and preferably drawing, but not with this It is limited.

Each side offering with respect to the inclined bowstring storage tank 61 of the bowstring construction section 60 for bowstring construction section 60, bends The groove depth of string storage tank 61 is more than the diameter of bowstring, bowstring is fully contained in bowstring storage tank 61, bowstring storage tank 61 The end of bowstring construction section 60 being separated out an anticreep barb 62, being run out of during for stopping that the bowstring in bowstring storage tank 61 is drawn Outside bowstring storage tank 61；Specifically, as shown in figure 3, in the present embodiment, bowstring construction section 60 and the 4th arc section 50 are tangent, Further to improve the drawing sense of user, but it is not limited.More specifically, as follows：

As shown in Figure 1 to Figure 3, a reinforcement 63 is extended at the front side position of bowstring construction section 60, and reinforcement 63 is extended to One is formed at anticreep barb 62 and with the anticreep barb 62, the bowstring that reinforcement 63 is located at the left and right sides of bowstring construction section 60 holds Put between groove 61, increase the intensity of bowstring construction section 60；Specifically, in the present embodiment, the tapered structure of reinforcement 63 and cone Top is away from anticreep barb 62, therefore stiffening effect is more preferable；For example, in the present embodiment, the leading flank 621 of anticreep barb 62 and Trailing flank 622 is respectively trapezoidal faces, and the left surface 623 and right flank 625 of anticreep barb 62 are inverted triangle face, the top of anticreep barb 62 Face 624 is rectangular surfaces, and to cause the tight clean exquisiteness of structure of anticreep barb 62, anticreep effect more preferably, but is not limited.

Again as shown in Figure 1 to Figure 3, the edge 611 of the external groove sidevall of bowstring storage tank 61 is arranged in rounding, in order to bowstring It is placed in bowstring storage tank 61；Specifically, in the present embodiment, the bowstring storage tank 61 and bow at the left side of bowstring construction section 60 Bowstring storage tank 61 at the right side of string construction section 60 is symmetrical, can more efficiently prevent from bowstring and bowstring appearance is run out of when overpull Put outside groove 61；For example, in the present embodiment, the range of tilt angles of bowstring storage tank 61 is 20 degree to 30 degree, such as 20 Degree, 25 degree or 30 degree, more effectively raising anti-dropout effect, but be not limited.

Compared with prior art, assembling is included due to arculae 100 of the present utility model successively along the direction away from bow handle The 10, first arc section 20 of section, the second arc section 30, three-arc the 40, the 4th arc section 50 of section and bowstring construction section 60, the first circle Segmental arc 20 and the second arc section 30 are tangent, and three-arc section 40 is tangent with the second arc section 30 and the 4th arc section 50 respectively, the Setting that the center of circle of the arc section 50 of one arc section 20 to the 4th is arranged in homonymy and radius tapers off so that of the present utility model to install It is more preferable in the drawing sense of the arculae 100 on bow handle, improve the experience sense and comfortableness of user.Meanwhile, and because bowstring is installed Section 60 each side offers the relative inclined bowstring storage tank 61 of the bowstring construction section 60, the groove depth of bowstring storage tank 61 More than the diameter of bowstring, the end of bowstring construction section 60 is separated out an anticreep barb 62 by bowstring storage tank 61, therefore is held in bowstring Put groove 61 groove depth be more than bowstring diameter and anticreep barb 62 in the presence of efficiently against user in overpull exist bow The defect that string comes off at arculae 100, effectively prevents that upper user has the danger injured by the bowstring that comes off, therefore security is more preferably, The use for the person of being additionally favorable for use in.

The person of being worth noting, for difference assembling section 10, the first arc section 20, the second arc section 30, three-arc section the 40, the 4th Arc section 50 and the respective length of bowstring construction section 60, therefore in figure 3, gone to show their segment length with different hatchings.

Above disclosed is only preferred embodiments of the present utility model, can not limit the utility model with this certainly Interest field, therefore equivalent variations made according to the utility model claim still fall within the model that the utility model is covered Enclose.

Claims (9)

1. a kind of arculae, is assembled on bow handle, it is characterised in that the arculae is wrapped successively along the direction away from the bow handle Include assembling section, the first arc section, the second arc section, three-arc section, the 4th arc section and bowstring construction section, first circular arc Section is tangent with second arc section, tangent with second arc section and the 4th arc section respectively, the institute of three-arc section State that the first arc section is arranged to the center of circle of the 4th arc section in homonymy and radius tapers off setting, the left and right of the bowstring construction section Both sides respectively offer the inclined bowstring storage tank of the relative bowstring construction section, and the groove depth of the bowstring storage tank is more than the bowstring Diameter, the end of the bowstring construction section is separated out an anticreep barb by the bowstring storage tank.

2. arculae according to claim 1, it is characterised in that the bowstring construction section and the 4th arc section are tangent.

3. arculae according to claim 1, it is characterised in that extend a reinforcement in the front side position of the bowstring construction section Muscle, the reinforcement is extended at the anticreep barb and barb-shaped integral with the anticreep, and the reinforcement is located at the bow Between the bowstring storage tank of the string construction section left and right sides.

4. arculae according to claim 3, it is characterised in that the reinforcement is tapered and the vertex of a cone falls away from the anticreep Hook.

5. arculae according to claim 1, it is characterised in that the edge of the external groove sidevall of the bowstring storage tank is in rounding Arrangement.

6. arculae according to claim 1, it is characterised in that bowstring storage tank and institute on the left of the bowstring construction section It is symmetrical to state the bowstring storage tank on the right side of bowstring construction section.

7. arculae according to claim 1, it is characterised in that the range of tilt angles of the bowstring storage tank be 20 degree extremely 30 degree.

8. arculae according to claim 1, it is characterised in that the radius of the 4th arc section be 150 millimeters extremely 155 millimeters.

9. arculae according to claim 1, it is characterised in that the leading flank and trailing flank of the anticreep barb are respectively to be trapezoidal Face, the left surface and right flank of the anticreep barb are inverted triangle face, and the top surface of the anticreep barb is rectangular surfaces.