Insertion buckle facilitating braid replacement

Abstract

The utility model discloses an inserting buckle convenient for replacing a braid. The inserting buckle comprises a male buckle, a female buckle and a bolt assembly, the male buckle comprises an elastic pin and a male buckle fixing rod. The female buckle comprises an insertion opening and a female buckle fixing rod. The female buckle fixing rod and the main body of the female buckle are arranged at an interval, and each bolt assembly comprises an insertion hole and an insertion rod. One jack is a first jack, and the other jack is a second jack. The insertion rod comprises a rod body, a rod head and a rod tail. Compared with the prior art, the plug pin assembly is arranged, the inserting rod penetrates through the inserting hole and the tail end of the strap, the male buckle and the female buckle are fixed to the knapsack strap respectively, meanwhile, when the inserting buckle needs to be replaced, the inserting rod only needs to be pulled out of the inserting hole, the inserting buckle and the strap can be separated, and replacement is convenient. And the operation is simple, different jacks, such as jacks with different colors and different shapes, can be conveniently replaced, and the constantly changing aesthetic needs of users can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of insert buckles, in particular to an insert buckle which is convenient for replacing braids. Background Art

[0002] Currently, there are a variety of backpack buckles on the market. Their function is to tighten the backpack strap that passes through the buckle, thereby adjusting the backpack strap length to meet the needs of people of different heights. Existing backpack buckles generally consist of a male buckle and a female buckle, each of which is equipped with a corresponding snap mechanism to achieve the snap fastening.

[0003] For example, a backpack buckle of Chinese utility model CN201822270621.8 includes a male buckle and a female buckle that are plug-in compatible. Elastic pins are respectively provided on both sides of the male buckle, and the outer ends of the pins are provided with snap-on parts; the female buckle is provided with a plug-in cavity opened along the plug-in direction, one end of the plug-in cavity is an insertion port, and both sides of the other end of the plug-in cavity are respectively provided with snap-on ports that are snap-fitted with the snap-on parts of the corresponding pins, and a guide tongue is provided on the male buckle and between the two pins; a hollow hole is provided on the pin, and guide protrusions are provided on both sides of the guide tongue, and the length direction of the guide protrusion extends along the plug-in direction, and a guide groove is provided on the female buckle corresponding to the guide protrusion.

[0004] The male buckle and the female buckle are fixed to the ends of the two backpack straps by setting mounting holes, and are often fixed by sewing. Therefore, the buckle needs to be replaced by destroying the braid with scissors and sewing it again with needle and thread. The process is complicated, the operation is cumbersome, and it is not easy to replace the buckle. Utility Model Content

[0005] In view of this, the present invention provides a buckle that is convenient for replacing braids to solve the above technical problems.

[0006] A buckle for easily replacing braided straps comprises a male buckle, a female buckle for inserting the male buckle, and two latch assemblies disposed on the male and female buckles, respectively. The male buckle comprises a pair of elastic pins, a guide tongue positioned between the elastic pins, and a male buckle fixing rod positioned on one side of the male buckle in the direction of removal. The two elastic pins are symmetrical about the guide tongue. The male buckle fixing rod is spaced apart from the main body that secures the elastic pins and guide tongue. The female buckle comprises an insertion opening and a female buckle fixing rod positioned on the side of the female buckle away from the insertion opening. The female buckle fixing rod is spaced apart from the main body of the female buckle, and each latch assembly comprises a pair of opposing and spaced-apart sockets and an insertion rod inserted into the sockets. The sockets are located at the junction of the male buckle fixing rod and the main body of the male buckle, one being a first socket and the other being a second socket. The opening direction of both sockets aligns with the extension direction of the male buckle fixing rod. The cross section of the body of the socket is a right-angled trapezoid, and the shapes of the two sockets coincide. The first socket is provided with a circle of engaging steps. The second socket is provided with a plurality of insertion guide blocks integrally formed with the second socket. The oblique edge of the guide block faces the direction of the second socket away from the first socket. The insertion rod includes a rod body, a rod head provided at one end of the rod body, and a rod tail provided at the other end of the rod body. The rod head is provided at the end of the insertion rod, and its cross section is a right-angled trapezoid, which is consistent with the shape of the hole of the first socket. The shape of the rod tail is consistent with the shape of the cross section of the first socket, and the size of the rod tail is larger than the size of the rod body.

[0007] Furthermore, the male buckle also includes two limiting blocks arranged on each of the elastic pins.

[0008] Furthermore, the guide tongue is a guide structure arranged on the symmetry axis of the two elastic pins, the extension direction of which is consistent with the extension direction of the elastic pins, and the edges of the guide tongue are all provided with arc chamfers.

[0009] Furthermore, the limiting block is respectively provided at the connection between each elastic pin and the male buckle body, and is a convex block.

[0010] Furthermore, the female buckle also includes a guide groove arranged in the insertion port, and two pressing ports arranged on both sides of the guide groove.

[0011] Furthermore, the pressing holes are located on both sides of the female buckle perpendicular to the opening direction of the insertion hole, and the overall structure is an inwardly concave arc.

[0012] Furthermore, the rod head is larger than the rod body and is provided with a spacing groove, a guide surface facing the free end, and an abutting surface in the opposite direction to the guide surface.

[0013] Furthermore, the spacing groove is located on the central axis of the rod head, the guide surface faces away from the rod tail, and is an inclined surface inclined to the extension direction of the rod body, and the top surface is located on the side of the guide surface close to the rod tail, and the inclination direction is opposite to the inclination of the guide surface, and the inclination angle is smaller than the inclination angle of the guide surface.

[0014] Compared with the prior art, the buckle provided by the present invention is easy to replace the braided strap. By setting the pin assembly, the insertion rod is passed through the insertion hole and the end of the shoulder strap, so that the male buckle and the female buckle are respectively fixed to the backpack strap. At the same time, when the buckle needs to be replaced, it is only necessary to pull the insertion rod out of the insertion hole to separate the buckle from the shoulder strap and replace it. The operation is simple and different sockets, such as sockets of different colors and shapes, are easy to replace, meeting the user's ever-changing aesthetic needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a structural schematic diagram of a buckle for facilitating replacement of braided tape.

[0016] Figure 2 for Figure 1 A schematic diagram of the structure of a male buckle of a buckle that is easy to replace braided tape.

[0017] Figure 3 for Figure 1 A schematic diagram of the structure of a buckle for facilitating replacement of braid with the male buckle in another direction.

[0018] Figure 4 for Figure 1 Schematic diagram of the structure of the female buckle of the buckle that is easy to replace the braid.

[0019] Figure 5 for Figure 1 A schematic diagram of the structure of the female buckle of the buckle for facilitating replacement of the braid in another direction.

[0020] Figure 6 for Figure 1 A schematic structural diagram of an insertion rod of a buckle for facilitating replacement of braid.

[0021] Figure 7 for Figure 1 A schematic structural diagram of a buckle for facilitating replacement of braids, with an insertion rod in another direction. DETAILED DESCRIPTION

[0022] The following is a further detailed description of specific embodiments of the present invention. It should be understood that the description of the embodiments of the present invention herein is not intended to limit the scope of protection of the present invention.

[0023] like Figures 1 to 7 , which is a schematic diagram of the structure of a buckle for easily replacing braid provided by the present invention. The buckle comprises a male buckle 10, a female buckle 20 for inserting the male buckle 10, and two latch assemblies 30 disposed on the male buckle 10 and the female buckle 20, respectively. It is contemplated that the buckle may also include other functional modules, such as a foolproof structure for inserting the male buckle into the female buckle, and springs on one side of the elastic pins. These are well known to those skilled in the art and will not be detailed here.

[0024] The male buckle 10 is made of plastic injection molding and includes a pair of elastic pins 11, a guide tongue 12 located between the elastic pins 11, a male buckle fixing rod 13 arranged on the side of the pull-out direction of the male buckle 10, and two limit blocks 14 arranged on each of the elastic pins 11.

[0025] The two elastic pins 11 are symmetrically arranged about the guide tongue 12, with their free ends provided with arc-shaped chamfers to guide the elastic pins 11 when inserted into the female buckle 20, facilitating insertion. The guide tongue 12 is a guiding structure arranged on the axis of symmetry between the two elastic pins 11, extending in the same direction as the elastic pins 11. The edges of the guide tongue 12 are provided with arc-shaped chamfers to guide the elastic pins 11 when inserted into the female buckle 20, facilitating insertion. The male buckle fixing rod 13 is provided on the other side of the male buckle 10 away from the extension direction of the elastic pins 11, and is spaced apart from the main body that secures the elastic pins 11 and the guide tongue 12, forming a main body that facilitates the installation of the latch assembly 30. The limit block 14 is respectively provided at the connection between each elastic pin 11 and the main body of the male buckle 10, and is a convex block, which presses against the inner wall of the female buckle 20 when the male buckle 10 is inserted into the female buckle 20, so that the buckle will not shake in the lateral direction perpendicular to the insertion direction, thereby improving the stability of the buckle and avoiding abnormal noise caused by collision when the buckle is used.

[0026] The female buckle 20 is an insertion cavity made of plastic injection molding, which includes an insertion port 21, a guide groove 22 arranged in the insertion port 21, two pressing ports 23 arranged on both sides of the guide groove 22, and a female buckle fixing rod 24 arranged on the side of the female buckle 20 away from the insertion port 21.

[0027] The width of the insertion opening 21 is sufficient to accommodate the two elastic pins 11. The guide groove 22 is located in the center of the insertion opening 21 and is sized to accommodate the insertion of the guide tongue 12, so that the male buckle 10 will not wobble after being inserted into the female buckle 20. The pressing opening 23 is located on both sides of the female buckle 20 perpendicular to the opening direction of the insertion opening 21, and is generally an inwardly concave arc structure, so that when the elastic pins 11 are inserted into the female buckle 20, both sides are exposed from the pressing opening 23. The female buckle fixing rod 24 is provided on the other side of the female buckle 20 away from the insertion opening 21 and is spaced apart from the main body of the female buckle 20 to form a main body that is convenient for installing the latch assembly 30.

[0028] Each of the latch assemblies 30 includes a pair of opposite and spaced-apart insertion holes 31 , and an insertion rod 32 inserted into the insertion holes 31 .

[0029] Taking the latch assembly 30 on the male buckle 10 as an example, the sockets 31 are located on either side of the male buckle fixing rod 13, specifically at the junction of the male buckle fixing rod 13 and the main body of the male buckle 10. One of the sockets 31 is a first socket 311, and the other is a second socket 312. The opening direction of both sockets 31 aligns with the extension direction of the male buckle fixing rod 13, so that the insertion rod 32 can pass through both sockets 31 simultaneously, forming a crossbar located between the male buckle fixing rod 13 and the elastic pin 11, spaced apart from and parallel to the male buckle fixing rod 13, for securing the shoulder strap requiring a buckle. The cross-section of the sockets 31 is a right-angled trapezoid, and the shapes of the two sockets 31 overlap, so that the insertion rod 32 of the same shape can only be inserted from the first socket 311 into the second socket 312, thereby preventing misalignment. The first insertion hole 311 is provided with a circle of engaging steps 313. Specifically, the aperture of the first insertion hole 311 on the side away from the second insertion hole 312 is larger than the aperture on the other side, so that the rear end of the insertion rod 32 abuts against the engaging steps 313 after being inserted into the first insertion hole 311. The second insertion hole 312 is provided with a plurality of insertion guide blocks 314 integrally formed with the second insertion hole 312. These blocks are located on two opposing inner walls of the second insertion hole 312, specifically on the upper and lower bases of a right-angled trapezoidal structure. The oblique edges of the guide blocks 314 face the direction of the second insertion hole 312 away from the first insertion hole 311, so as to serve as a guide when the insertion rod 32 is removed from the second insertion hole 312.

[0030] The insertion rod 32 comprises a rod body 321, a rod head 322 disposed at one end of the rod body 321, and a rod tail 323 disposed at the other end of the rod body 321. The rod body 321 has a polygonal cross-section to mate with the male buckle fixing rod 13 or the female buckle fixing rod 24 to facilitate adjustment of the braid tension. This is a common technique widely used in backpack buckles and is not a core feature of the present invention, so it will not be discussed in detail here. The rod head 322, disposed at the end of the insertion rod 32, has a right-angled trapezoidal cross-section that conforms to the shape of the first insertion hole 311 and allows insertion through the first insertion hole 311 but not through the second insertion hole 312. The rod head 322 is larger than the rod body 321 and is provided with a spacing groove 3221, a guide surface 3222 facing the free end, and a top surface 3223 opposite the guide surface 3222. The spacing groove 3221 is located on the central axis of the rod head 322 so that the rod head 322 can be deformed inwardly during insertion. The guide surface 3222 is oriented in a direction away from the rod tail 323 and is an inclined surface inclined in the extension direction of the rod body 321, so as to play a guiding role during insertion and facilitate the inward deformation of the rod head 322. The abutting surface 3223 is located on the side of the guide surface 3222 close to the rod tail 323, with an inclination direction opposite to that of the guide surface 3222 and an inclination angle smaller than that of the guide surface 3222, so that after the insertion rod 32 is inserted, it abuts against the guide block 314, so that the rod head 322 is deformed when the insertion rod 32 is pulled out. The shape of the rod tail 323 is consistent with the shape of the cross section of the first insertion hole 311, and the size of the rod tail 323 is larger than the size of the rod body 321, so that after the rod body 321 is inserted into the second insertion hole 312, the rod 323 is clamped into the first insertion hole 311 and abuts against the clamping step 314, thereby fixing the inserted rod 32.

[0031] Compared with the prior art, the buckle provided by the present invention is easy to replace the braided strap by setting the pin assembly 30, passing the insertion rod 32 through the socket 31 and the end of the strap, so as to fix the male buckle 10 and the female buckle 20 on the backpack strap respectively. At the same time, when the buckle needs to be replaced, it is only necessary to pull the insertion rod 32 out of the socket 31 to separate the buckle from the strap and replace it. The operation is simple and different sockets, such as sockets of different colors and shapes, are easy to replace to meet the user's ever-changing aesthetic needs.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent replacements or improvements within the spirit of the present invention are included in the scope of the claims of the present invention.

Claims

1. A buckle for facilitating replacement of braided tape, characterized in that: The buckle for facilitating replacement of braided tape comprises a male buckle, a female buckle for inserting the male buckle, and two latch assemblies respectively arranged on the male buckle and the female buckle, the male buckle comprises a pair of elastic pins, a guide tongue located between the elastic pins, and a male buckle fixing rod arranged on one side of the male buckle's withdrawal direction, the two elastic pins are axially symmetrical with the guide tongue as the axis of symmetry, the male buckle fixing rod is spaced apart from a main body fixing the elastic pins and the guide tongue, the female buckle comprises an insertion port, and a female buckle fixing rod arranged on a side of the female buckle away from the insertion port, the female buckle fixing rod is spaced apart from the main body of the female buckle, each of the latch assemblies comprises a pair of oppositely and spaced-apart jacks, and an insertion rod inserted in the jacks, the jacks are arranged between the male buckle fixing rod and the male buckle The connection part of the buckle body, one of which is a first socket and the other is a second socket, the opening directions of the two sockets are consistent with the extension direction of the male buckle fixing rod, the hole cross-section of the socket is a right-angled trapezoid, and the shapes of the two sockets coincide, the first socket is provided with a circle of clamping steps, and the second socket is provided with a plurality of insertion guide blocks integrally formed with the second socket, the hypotenuse of the guide block is facing the direction of the second socket away from the first socket, the insertion rod includes a rod body, a rod head arranged at one end of the rod body, and a rod tail arranged at the other end of the rod body, the rod head is arranged at the end of the insertion rod, the cross-section is a right-angled trapezoid, and is consistent with the hole shape of the first socket, the shape of the rod tail is consistent with the shape of the cross-section of the first socket, and the size of the rod tail is larger than the size of the rod body.

2. The buckle for easily replacing braided tape as claimed in claim 1, characterized in that: The male buckle also includes two limiting blocks arranged on each of the elastic pins.

3. The buckle for easily replacing braided tape according to claim 1, characterized in that: The guide tongue is a guide structure arranged on the symmetry axis of the two elastic pins, and its extension direction is consistent with that of the elastic pins, and the edges of the guide tongue are all provided with arc chamfers.

4. The buckle for easily replacing braided tape as claimed in claim 2, characterized in that: The limiting block is respectively arranged at the connection between each of the elastic pins and the male buckle body, and is a convex block.

5. The buckle for easily replacing braided tape according to claim 1, characterized in that: The female buckle also includes a guide groove arranged in the insertion port, and two pressing ports arranged on both sides of the guide groove.

6. The buckle for easily replacing braided tape as claimed in claim 5, characterized in that: The pressing opening is located on both sides of the female buckle perpendicular to the opening direction of the insertion opening, and the whole structure is an inwardly concave arc structure.

7. The buckle for easily replacing braided tape according to claim 1, characterized in that: The rod head has a size larger than that of the rod body and is provided with a spacing groove, a guide surface facing the free end, and a top abutting surface in the opposite direction to the guide surface.

8. The buckle for easily replacing braided tape according to claim 7, characterized in that: The spacing groove is located on the central axis of the rod head, the guide surface faces away from the rod tail, and is an inclined surface inclined to the extension direction of the rod body, the abutment surface is located on the side of the guide surface close to the rod tail, the inclination direction is opposite to the inclination of the guide surface, and the inclination angle is smaller than the inclination angle of the guide surface.

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