CN2865373Y

CN2865373Y - Butt buckle

Info

Publication number: CN2865373Y
Application number: CN 200520145042
Authority: CN
Inventors: 陈舜民
Original assignee: WONDERLAND NURSERYGOODS CO LTD
Current assignee: WONDERLAND NURSERYGOODS CO LTD
Priority date: 2005-12-22
Filing date: 2005-12-22
Publication date: 2007-02-07
Anticipated expiration: 2015-12-22

Abstract

The utility model relates to a butt joint type fastener, which comprises a male fastener, a female fastener, a first shoulder belt fastener, a second shoulder belt fastener and a crotch belt fastener. The male fastener has a top surface, a bottom surface, a pair of arms extending from one end and an elastic tongue plate, the front end of the elastic tongue plate has a boss, and a first locking groove adjacent to a side wall is formed between the top surface and the bottom surface of the male fastener. The female fastener has a top surface, a bottom surface and a pair of first guide grooves defined between the top surface and the bottom surface for guiding the arms, the top surface of the female fastener has an opening for fastening the boss, and a second locking groove adjacent to a side wall is formed between the top surface and the bottom surface of the female fastener. The first and second shoulder strap fasteners are connected to the male and female fasteners, respectively. The crotch strap fastener is provided at one side with a fixing pin rod, and both ends thereof are respectively inserted into first and second locking grooves fixed to the male and female fasteners. The utility model adopts the buckling mode of the left and right waistbands, has the advantages of convenient assembly, simple operation and greatly reduced manufacturing cost.

Description

The dock fastener

Technical field

The utility model relates to a kind of fastener, particularly relates to a kind of release-push that do not need to be provided with in addition, and in conjunction with belt buckle, shoulder harness button and hip bracelet new design, and have dock fastener easy to assembly, as to reduce manufacturing cost and effect simple to operate.

Background technology

Generally be used for the fastener on children's pedestals such as child safety seat, perambulator or high chair, as U.S. Patent number the 6th, 543,101 or the 6th, 771, No. 790 patent cases of the patent No., main adopt a main body with about two belt buckle snap-fit design, and be provided with a release-push on the main body in addition, via pushing described release-push, can with main body with about two belt buckles separate; Or as U.S. Patent number the 5th, 440,792 patent cases and PCT publication number WO 2005/013750 A1 patent case are the structural designs that adopts the box and pin combination.

Yet above-mentioned employing main body is in conjunction with the belt buckle mode, and not only member is more, and assembling is complicated, and operation is difficult for the manufacturing cost height; And the direct manner of above-mentioned another employing box and pin, two waistbands about but only combining, the not integrated structure of shoulder belt or hip band design.

This shows that above-mentioned existing fastener obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that fastener exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of dock fastener of new structure, just become the current industry utmost point to need improved target.

Because the defective that above-mentioned existing fastener exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of dock fastener of new structure, can improve general existing fastener, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.

Summary of the invention

The purpose of this utility model is, overcome the defective that existing fastener exists, and provide a kind of dock fastener of new structure, technical problem to be solved is to make it provide a kind of not need to be provided with in addition release-push and simultaneously in conjunction with the dock fastener of belt buckle, shoulder harness button and hip bracelet, thereby is suitable for practicality more.

The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.A kind of dock fastener according to the utility model proposes comprises a pin thread spare and a mother buckle, and described pin thread spare has an end face, a bottom surface, two opposite side walls and an elasticity hyoplastron, and described elasticity hyoplastron front end has a boss; Described mother buckle has an end face, a bottom surface and two opposite side walls, and the end face of described mother buckle has an opening for described boss snapping; Form one first lock buckling groove that is provided with in abutting connection with the one sidewall between the end face of described pin thread spare and bottom surface, form one second lock buckling groove that is provided with in abutting connection with the one sidewall between the end face of described mother buckle and bottom surface; Described dock fastener also comprises a fastener, and described fastener forms in a side and is provided with a fixing pin rod, described fastener with its fixedly pin rod insert first and second lock buckling groove that is fixed in described pin thread spare and described mother buckle respectively.

The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.

Aforesaid dock fastener, wherein said pin thread spare have a pair of by the extended arm of an end, and described mother buckle have a pair of be defined between described end face and bottom surface first guide groove for the guiding described arm.

Aforesaid dock fastener, the end face of wherein said pin thread spare and bottom surface front-end edge are to be concave arc shape, and the front-end edge of the end face of described mother buckle and bottom surface front-end edge and described pin thread spare is complementary convex arc shaped.

Aforesaid dock fastener, wherein said pin thread spare and described mother buckle have a waistband window that supplies waistband to pass separately, and each self-forming of one sidewall of described pin thread spare and described mother buckle is provided with to connect to one of described waistband window wears groove, and described dock fastener also comprises and can penetrate two of described waistband window and adjust pieces via the described groove of wearing.

Aforesaid dock fastener, each of wherein said adjustment piece is adjusted piece and is had a waistband latch lever and a pair of elastic arm relative with described waistband latch lever that a waistband inserts mouth, defines a described waistband insertion mouthful side, and waistband inserts mouth from described waistband and passes and be folded between described waistband latch lever and the described waistband window.

Aforesaid dock fastener, wherein said waistband window has an inclined-plane on the described wall of wearing the groove direction, and described inclined-plane is a beveled end of corresponding described adjustment piece.

Aforesaid dock fastener, wherein said fastener is a thigh belt fastener, described thigh belt fastener has hip band insertion mouth and and defines the hip band latch lever that described hip band inserts a mouthful side, and described hip band latch lever and described fixedly pin rod lay respectively at the dual-side that described hip band inserts mouth.

Aforesaid dock fastener, wherein said fastener is a shoulder belt fastener set, described shoulder belt fastener set has two shoulder belts insertion mouths and arranged side by side and defines the shoulder belt latch lever that described shoulder belt inserts a mouthful side, and described shoulder belt latch lever and described fixedly pin rod lay respectively at the dual-side that described shoulder belt inserts mouth.

Aforesaid dock fastener, form one the 3rd lock buckling groove that is provided with in abutting connection with another sidewall between the end face of wherein said pin thread spare and bottom surface, form one the 4th lock buckling groove that is provided with in abutting connection with another sidewall between the end face of described mother buckle and bottom surface, and described dock fastener comprises one first shoulder belt fastener and one second shoulder belt fastener, described first and second shoulder belt fastener have separately one fixedly pin rod for the 3rd and the 4th lock buckling groove that is incorporated into described pin thread spare and mother buckle respectively, and described first and second shoulder belt fastener has shoulder belt insertion mouth and separately and defines the shoulder belt latch lever that described shoulder belt inserts a mouthful side, and described shoulder belt latch lever and described fixedly pin rod lay respectively at the dual-side that described shoulder belt inserts mouth.

Aforesaid dock fastener, form one the 3rd lock buckling groove that is provided with in abutting connection with another sidewall between the end face of wherein said pin thread spare and bottom surface, form one the 4th lock buckling groove that is provided with in abutting connection with another sidewall between the end face of described mother buckle and bottom surface, and described dock fastener comprises a shoulder belt fastener set, described shoulder belt fastener set has two shoulder belts insertion mouths and arranged side by side and defines the shoulder belt latch lever that described shoulder belt inserts a mouthful side, and described shoulder belt latch lever and described fixedly pin rod lay respectively at the dual-side that described shoulder belt inserts mouth.

Aforesaid dock fastener, wherein said first and second shoulder belt fastener be configured as the minute surface symmetry.

The purpose of this utility model and solve its technical problem and also realize by the following technical solutions.According to a kind of dock fastener that the utility model proposes, comprise a pin thread spare and a mother buckle, described pin thread spare has an end face, a bottom surface, two opposite side walls, a pair of by an extended arm of an end and an elasticity hyoplastron, and described elasticity hyoplastron front end has a boss; Described mother buckle, have an end face, a bottom surface and two opposite side walls, define an accommodation space between the end face of described mother buckle and bottom surface, have a pair of first guide groove in the described accommodation space for the described arm of guiding, the end face of described mother buckle has an opening for described boss snapping.

Aforesaid dock fastener, form one first lock buckling groove that is provided with in abutting connection with the one sidewall between the end face of wherein said pin thread spare and bottom surface, form one second lock buckling groove that is provided with in abutting connection with the one sidewall between the end face of described mother buckle and described bottom surface, and described dock fastener also comprises a thigh belt fastener, a side form be provided with one fixedly pin rod insert first and second lock buckling groove that is fixed in described pin thread spare and mother buckle respectively with its two ends.

Aforesaid dock fastener, form one the 3rd lock buckling groove that is provided with in abutting connection with another sidewall between the end face of wherein said pin thread spare and bottom surface, form one the 4th lock buckling groove that is provided with in abutting connection with another sidewall between the end face of described mother buckle and bottom surface, described dock fastener also comprises one first shoulder belt fastener and one second shoulder belt fastener, described first and second shoulder belt fastener have one fixedly pin rod for the 3rd and the 4th lock buckling groove that is incorporated into described pin thread spare and mother buckle respectively.

The utility model compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, in order to achieve the above object, the utility model provides a kind of dock fastener to comprise a pin thread spare, a mother buckle and a fastener, and fastener can be shoulder belt fastener set or thigh belt fastener.Pin thread spare has an end face, a bottom surface, a pair of elasticity hyoplastron front end has a boss by an extended arm of an end and an elasticity hyoplastron, forms one first lock buckling groove that is provided with in abutting connection with a sidewall between the end face of pin thread spare and bottom surface.Mother buckle has an end face, a bottom surface and a pair ofly is defined in first guide groove between end face and bottom surface for the guiding arm, the end face of mother buckle has an opening for the boss snapping, forms one second lock buckling groove that is provided with in abutting connection with a sidewall between the end face of mother buckle and bottom surface.Fastener a side form one fixedly pin rod insert first and second lock buckling groove that is fixed in pin thread spare and mother buckle respectively with its two ends.

By technique scheme, the utility model dock fastener has following advantage at least: the utility model has been given up main part in the past, and the mode that adopts left and right sides waistband to fasten, and release-push does not need to be provided with in addition but adopts and the integrated boss of arbitrary belt buckle, while is in conjunction with the design of belt buckle, shoulder harness button and hip bracelet, not only easy to assembly, simple to operate, and can reduce manufacturing cost greatly.

In sum, the dock fastener of the utility model special construction does not need to be provided with in addition release-push, and simultaneously in conjunction with the new design of belt buckle, shoulder harness button and hip bracelet, and have easy to assembly, reduce manufacturing cost and effect simple to operate.It has above-mentioned many advantages and practical value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it all has bigger improvement on product structure or function, have technically than much progress, and produced handy and practical effect, and more existing fastener has the multinomial effect of enhancement, thus be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.

Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.

Description of drawings

Fig. 1 is the combining structure schematic diagram of the most preferred embodiment of the utility model dock fastener.

Fig. 2 is the exploded perspective schematic diagram of the most preferred embodiment of the utility model dock fastener.

Fig. 3 is the cutaway view along Fig. 1 cathetus I-I section.

Fig. 4 is the cutaway view along Fig. 1 cathetus II-II section.

Fig. 5 is the cutaway view along Fig. 4 cathetus III-III section.

The specific embodiment

For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its specific embodiment of dock fastener, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.

Seeing also shown in Figure 1ly, is the combining structure schematic diagram of the most preferred embodiment of the utility model dock fastener.The dock fastener of the utility model most preferred embodiment comprises a pin thread spare 2, a mother buckle 3, two fasteners and two adjustment pieces 7.The one fastener is that a thigh belt fastener 6, another fastener are a shoulder belt fastener set 40, and shoulder belt fastener set 40 comprises one first shoulder belt fastener 4 and one second shoulder belt fastener 5.The utility model mainly can be used on children's pedestals such as child safety seat, perambulator or high chair, but not as limit.

See also Fig. 2 and shown in Figure 3, Fig. 2 is the exploded perspective schematic diagram of the most preferred embodiment of the utility model dock fastener, and Fig. 3 is the cutaway view along Fig. 1 cathetus I-I section, illustrates that a pin thread spare and a mother buckle are interlockingly connected.This pin thread spare 2, it has an end face 21, a bottom surface 22 (as shown in Figure 4), two opposite side walls 23, a pair of by an extended arm 24 of an end and an elasticity hyoplastron 25.The front-end edge of this top, bottom surface 21,22 is to be concave arc shape, and top, 21,22 of bottom surfaces define an accommodation space 20 (as shown in Figure 5), arm 24 and elasticity hyoplastron 25 are by protruding out the concave arc shape front-end edge in the accommodation space 20, elasticity hyoplastron 25 is positioned at the centre of described arm 24, elasticity hyoplastron 25 is than arm 24 contiguous end faces 21, and the front end of elasticity hyoplastron 25 has a boss 251.In addition, 22 formation in end face 21 and bottom surface are provided with in abutting connection with one first lock buckling groove 26, one the 3rd lock buckling groove 27 (as shown in Figure 5) and of described sidewall 23 and are positioned at the waistband window 28 that the rear end is passed for waistband, this the first and the 3rd

lock buckling groove

26,27 has a channel opening 261,271 (as shown in Figure 5) separately, and these channel opening 261,271 directions and arm 24 extended directions are in the same way, and wear groove 29 forming to form on the same sidewall 23 of first lock buckling groove 26 to be provided with to connect to one of waistband window 28.

This mother buckle 3 has an end face 31, a bottom surface 32, two opposite side walls 33 and a pair of first guide groove 34 that is defined in 31,32 on top, bottom surface.The front-end edge of this top, bottom surface 31,32 is that the front-end edge of corresponding pin thread spare 2 is complementary convex arc shaped, and this top, 31,32 of bottom surfaces define an accommodation space 30, described first guide groove 34 is to be defined in the accommodation space 30 guiding described arm 24, and end face 31 offers an opening 311 for boss 251 butt joints.In addition, form between end face 31 and the bottom surface 32 to be provided with and be positioned at the waistband window 37 that the rear end is passed for waistband in abutting connection with one second lock buckling groove 35, one the 4th lock buckling groove 36 (as shown in Figure 5) and of described sidewall 33, this the second and the 4th

lock buckling groove

35,36 has a channel opening 351,361 separately, this channel opening the 351, the 361st towards the front-end edge convex arc direction of mother buckle 3, and is worn groove 38 forming to form on the same sidewall 33 of second lock buckling groove 35 to be provided with to connect to one of waistband window.

This first shoulder belt fastener 4 and one second shoulder belt fastener 5 are to be the minute surface symmetry, and fixedly

pin rod

41,51, a shoulder belt insert mouthful 42,52 and one a shoulder

belt latch lever

43,53 to have one separately.Fixedly the general one-tenth of

pin rod

41,51 corresponding

lock buckling groove

27,36 shapes is cylindrical, shoulder

belt inserts mouth

42,52 and can pass for shoulder belt, shoulder

belt latch lever

43,53 defines a side of shoulder

belt insertion mouth

42,52 and

pin rod

41,51 is parallel haply with fixedly, and shoulder

belt inserts mouth

42,52 between fixedly (that is to say that fixedly

pin rod

41,51 and shoulder

belt latch lever

43,53 lay respectively at the dual-side that shoulder belt inserts mouth 42,52) between

pin rod

41,51 and the shoulder belt latch lever 43,53.First and second

shoulder belt fastener

4,5 penetrates the 3rd by

fixing pin rod

41,51 and combines with described male and

female fastener

2,3 with the 4th

lock buckling groove

27,36.

This thigh belt fastener 6, have a hip band and insert fixedly pin rod 63 of mouthful 61, one hip band latch lever 62 and, be somebody's turn to do fixedly corresponding

lock buckling groove

26,35 shapes of two ends difference of pin rod 63, the hip band inserts mouth 61 and can pass for the hip band, hip band latch lever 62 defines a side of hip band insertion mouth 61 and pin rod 63 is parallel haply with fixedly, and the hip band inserts mouth 61 between fixedly (that is to say that fixedly pin rod 63 lays respectively at the dual-side that the hip band inserts mouth 61 with hip band latch lever 62) between pin rod 63 and the hip band latch lever 62.Thigh belt fastener 6 inserts respectively by fixing pin rod 63 two ends and is fixed in first and second

lock buckling groove

26,35 and combines with described male and

female fastener

2,3.

This adjusts piece 7, be corresponding

waistband window

28,37 and being provided with, this each adjust piece 7 have a waistband insert mouthful 71, one define the waistband latch lever 72 that waistband inserts mouthful 71 1 sides, a pair of elastic arm 73, one between waistband latch lever 72 and elastic arm 73 outside press-side 74 and the beveled end 75 of an inboard.Elastic arm 73 be relative with waistband latch lever 72 and elastic arm 73 by both sides obliquely towards extending each other.Each adjusts piece 7 is by respectively wearing

groove

29,38 and place into waistband window 28, in 37, then protruding being exposed to of press-side 74 parts worn groove 29, outside 38, described

waistband window

28,37 in contrast to wearing groove 29, has an inclined-plane 371 on the wall of 38 directions, for each beveled end 75 of adjusting piece 7 against, each waistband latch lever 72 is and

waistband window

28,37 the adjacent conflict of a wall, and being walls with opposite face, each elastic arm 73 is tight against, at this moment, waistband inserts mouth 71 and is revealed in

waistband window

28,37 centres, and waistband inserts mouth 71 from waistband and passes, and be folded between wall and the waistband latch lever 72, can't adjust length arbitrarily, when pushing the press-side 74 of adjusting piece 7, make beveled end 75 371 slips, and impel elastic arm 73 to be squeezed along the inclined-plane, at this moment, adjust piece 7 integral body and be offset (the adjustment piece 7 that Figure 5 shows that the left side is to the right skew) to an end, waistband latch lever 72 is displaced to waistband window 28 to an end, 37 central authorities just supply the length of waistband, degree of tightness is adjusted; Afterwards, decontrol press-side 74 and no longer push, make originally extruded elastic arm 73 produce elastic restoring force, waistband latch lever 72 pushed home are put, and tightly be waistband.

Above-mentioned is the introduction of element of the present utility model and structure thereof, its combination below will be described in detail in detail and discharge relation.

See also Fig. 4 and shown in Figure 5, Fig. 4 is the cutaway view along Fig. 1 cathetus II-II section, illustrates that two adjust piece; Fig. 5 is the cutaway view along Fig. 4 cathetus III-III section, and one first shoulder belt fastener, one second shoulder belt fastener and described adjustment piece are described.

At first, first and second shoulder belt fastener 4,5 borrows separately fixedly that

pin rod

41,51 penetrates the 3rd and the 4th

lock buckling groove

27,36, and same, thigh belt fastener 6 inserts first and second

lock buckling groove

26,35 respectively by means of the two ends of described fixedly pin rod 63; Then, convex arc ora terminalis butt joint with the corresponding mother buckle 3 of the concave arc ora terminalis of pin thread spare 2, the arm 24 of pin thread spare 2 and elasticity hyoplastron 25 are included in the accommodation space 30 of mother buckle 3, and first guide groove 34 of mother buckle 3 is arms 24 of corresponding guiding pin thread spare 2, the guide mechanism that comprises guide groove and corresponding arm widely uses in existing conventional art, and the kenel of present embodiment only is that an example is not as limit.When elasticity hyoplastron 25 penetrates accommodation space 30, and boss 251 corresponding hasps can connect five mutual jails of member such as male and

female fastener

2,3, first and second

shoulder belt fastener

4,5 and thigh belt fastener 6 behind the opening 311 of mother buckle 3, and first, second

shoulder belt fastener

4,5 front-end edges are inconsistent.Desire is removed the fastening of male and

female fastener

2,3, then can push boss 251, make boss 251 opening 311 of disengaging mother buckle 3 relatively, and this male and

female fastener

2,3 is released state and make male and

female fastener

2,3 by hasp state-transition originally separately towards the both sides motion.

Need to prove especially, though above-mentioned is to borrow separately fixedly that

pin rod

41,51 docks with

lock buckling groove

27,36 about first and second

shoulder belt fastener

4,5, yet first and second

shoulder belt fastener

4,5 also can be separately and 2, the 3 one-body molded settings of male and female fastener, and elements such as pin rod and lock buckling groove needn't be arranged; In addition, or the design of similar thigh belt fastener 6, shoulder belt fastener set 40 is designed to one has the fixing single element of pin rod, shoulder belt door bolt stalk, and make described fixedly pin rod to be fixed in the

locking groove

26,35 of male and

female fastener

2,3 with its two ends insertion respectively, different is, shoulder belt arranged side by side about the shoulder belt fastener set has inserts mouth, and hip band insertion mouth 61 is single opening.Certainly, on some seat design, shoulder belt fastener set 40 or thigh belt fastener 6 and inessential element also can omit respectively.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.

Claims

1. A docking fastener, comprising a male fastener and a female fastener, characterized in that:

The male buckle has a top surface, a bottom surface, two opposite side walls and an elastic tongue, and the front end of the elastic tongue has a boss;

The female fastener has a top surface, a bottom surface and two opposite side walls, and the top surface of the female fastener has an opening for fastening the boss;

A first locking groove adjacent to the side wall is formed between the top surface and the bottom surface of the male fastener, and a first locking groove adjacent to the side wall is formed between the top surface and the bottom surface of the female fastener. Two lock slots;

The butt joint buckle also includes a fastener, the fastener is formed with a fixing pin on one side, and the fixing pin of the fastener is respectively inserted and fixed on the male fastener and the said fastener. The first and second locking slots of the female fastener.

2. The docking fastener according to claim 1, wherein said male fastener has a pair of arms extending from one end, and said female fastener has a pair of arms defined on said top. The first guide groove between the surface and the bottom surface is used for guiding the arm.

3. The docking fastener according to claim 1, wherein the top and bottom front edges of the male fastener are concave arc-shaped, and the top and bottom front edges of the female fastener are in the same shape as The front edge of the male fastener is in a complementary convex arc shape.

4. The docking buckle according to claim 1, wherein said male fastener and said female fastener each have a belt window through which a belt passes, and said male fastener and said female fastener each have a belt window through which a belt passes. The side walls of the female buckle are each formed with a through slot penetrating to the waist belt window, and the docking buckle also includes two adjustment blocks that can pass through the through slot into the waist belt window.

5. The docking buckle according to claim 4, wherein each adjustment block of said adjustment blocks has a belt insertion opening, a belt latch bar defining one side of said belt insertion opening, and A pair of elastic arms opposite to the belt latch bar, a belt passes through the belt insertion opening and is sandwiched between the belt latch bar and the belt window.

6. The docking buckle according to claim 5, wherein the waist belt window has an inclined surface on the wall opposite to the direction of the slot, and the inclined surface is an oblique angle corresponding to the adjustment block. end.

7. The docking buckle according to claim 1, wherein the buckle is a crotch belt fastener, and the crotch belt fastener has a crotch belt insertion opening and a crotch belt insertion opening. The crotch belt latch bar on one side of the mouth, the crotch belt latch bar and the fixed pin bar are respectively located on both sides of the crotch belt insertion opening.

8. The docking buckle according to claim 1, wherein said fastener is a shoulder strap fastener set, said shoulder strap fastener set has two parallel shoulder strap insertion openings and a defined A shoulder strap latch bar on one side of the shoulder strap insertion opening, the shoulder strap latch bar and the fixing pin are respectively located on both sides of the shoulder strap insertion opening.

9. The docking fastener according to claim 1 or 7, wherein a third locking groove adjacent to the other side wall is formed between the top surface and the bottom surface of the male fastener. A fourth locking groove adjacent to the other side wall is formed between the top surface and the bottom surface of the female fastener, and the butt joint fastener includes a first shoulder belt fastener and a second shoulder belt fastener , each of the first and second shoulder belt fasteners has a fixing pin for respectively combining with the third and fourth locking grooves of the male fastener and the female fastener, and the first and second The shoulder strap fasteners each have a shoulder strap insertion opening and a shoulder strap latch bar defining one side of the shoulder strap insertion opening. The shoulder strap latch bar and the fixing pin are respectively located at sides.

10. The docking fastener according to claim 7, wherein a third locking groove adjacent to the other side wall is formed between the top surface and the bottom surface of the male fastener, and the female fastener A fourth locking groove adjacent to the other side wall is formed between the top surface and the bottom surface of the fastener, and the butt-joint fastener includes a shoulder strap fastener set, and the shoulder strap fastener set has two side-by-side The shoulder strap insertion opening and a shoulder strap latch bar bounding one side of the shoulder strap insertion opening, the shoulder strap latch bar and the fixing pin are respectively located on two sides of the shoulder strap insertion opening.

11. The docking buckle according to claim 9, wherein the configurations of the first and second shoulder strap fasteners are mirror-symmetrical.

12. A docking fastener, including a male fastener and a female fastener, characterized in that:

The male buckle has a top surface, a bottom surface, two opposite side walls, a pair of arms extending from one end, and an elastic tongue plate, and the front end of the elastic tongue plate has a boss;

The female fastener has a top surface, a bottom surface and two opposite side walls, a receiving space is defined between the top surface and the bottom surface of the female fastener, and a pair of first guide grooves are provided in the receiving space For guiding the arm, the top surface of the female fastener has an opening for fastening the boss.

13. The docking fastener according to claim 12, wherein a first locking groove adjacent to the side wall of the male fastener is formed between the top surface and the bottom surface of the male fastener, and the female fastener A second locking groove adjacent to the side wall is formed between the top surface and the bottom surface of the fastener, and the butt joint fastener also includes a crotch belt fastener, and a fixing pin is formed on one side The two ends of the rod are respectively inserted and fixed in the first and second locking grooves of the male fastener and the female fastener.

14. The docking fastener according to claim 12 or 13, characterized in that a third locking groove adjacent to the other side wall is formed between the top surface and the bottom surface of the male fastener. A fourth locking groove adjacent to the other side wall is formed between the top surface and the bottom surface of the female fastener, and the docking fastener also includes a first shoulder belt fastener and a second shoulder belt fastener , the first and second shoulder strap fasteners have a fixing pin for respectively combining with the third and fourth locking grooves of the male fastener and the female fastener.