Cord adjusting buckle

Abstract

The utility model discloses a cord adjusting buckle which comprises a shell, a take-up assembly and a cord pulling assembly. The take-up assembly comprises a take-up wheel and a take-up reel fixedly connected with the take-up wheel, the take-up wheel and the take-up reel are both rotatably connected into the shell, and the take-up reel is used for winding a rope; the stay wire assembly comprises a sliding seat, a stay wire wheel and a stay wire disc fixedly connected with the stay wire wheel, the sliding seat is slidably connected to the interior of the shell, the stay wire wheel and the stay wire disc are rotatably connected to the interior of the sliding seat, and the stay wire disc is used for winding a stay wire; the sliding seat can slide towards or away from the take-up assembly so that the wire pulling wheel and the take-up wheel can be connected in an engaged mode or separated. According to the thread rope adjusting buckle, meshing and separation between the thread pulling wheel and the thread winding wheel can be achieved without arranging a series of gear transmission, the structure of the thread rope adjusting buckle can be simplified, the comprehensive cost of the thread rope adjusting buckle can be reduced, in addition, the probability of transmission faults can be reduced, and the transmission reliability can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of lock buckles, in particular to a cord adjustment buckle. Background Art

[0002] A cord adjustment buckle is a lock that can adjust the tightness of a cord, such as a shoelace adjustment buckle used in footwear to adjust shoelaces, etc. It generally includes a housing, a take-up assembly, and a pull-wire assembly. The take-up assembly is used to connect and wind around shoelaces and other cords that need to be adjusted in tightness, and the pull-wire assembly is provided with a pull wire. When the cord needs to be tightened, the pull wire is pulled to rotate the pull-wire wheel in the pull-wire assembly. When the pull-wire wheel rotates, it can drive the take-up wheel in the take-up assembly to rotate, thereby tightening the cord. After the cord is tightened, the pull wire will automatically retract into the take-up assembly. When the cord needs to be loosened, in order to prevent the rotation of the take-up wheel from affecting the pull-wire wheel, it is necessary to separate the pull-wire wheel from the take-up wheel, and then rotate the take-up wheel in the opposite direction to release the cord, thereby loosening the cord. Some wire rope adjusting buckles in the prior art set the wire pulling wheel and the wire taking-up wheel coaxially, and set a gear transmission assembly between the wire pulling wheel and the wire taking-up wheel, and realize the transmission or separation between the wire pulling wheel and the wire taking-up wheel through a series of gear transmission processes. The structure of such wire rope adjusting buckles is relatively complex, which is not convenient for processing and assembly, and the overall cost is relatively high. In addition, the transmission process is relatively complex, which not only further increases the difficulty of processing and assembly, but also makes it difficult to ensure the transmission reliability during use. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a cord adjustment buckle, which can simplify the structure of the cord adjustment buckle, reduce the comprehensive cost of the cord adjustment buckle, and ensure the reliability of transmission.

[0004] To solve the above problems, the technical solution adopted by the utility model is as follows: a wire rope adjustment buckle, comprising a shell, a wire taking-up assembly and a wire pulling assembly; the wire taking-up assembly comprises a wire taking-up wheel and a wire taking-up drum fixedly connected to the wire taking-up wheel, the wire taking-up wheel and the wire taking-up drum are both rotatably connected to the shell, and the wire taking-up drum is used for winding the wire rope; the wire pulling assembly comprises a sliding seat, a wire pulling wheel and a wire pulling drum fixedly connected to the wire pulling wheel, the sliding seat is slidably connected to the shell, the wire pulling wheel and the wire pulling drum are both rotatably connected to the sliding seat, and the wire pulling drum is used for winding the wire; the sliding seat can slide toward or away from the wire taking-up assembly to enable the wire pulling wheel to engage or separate with the wire taking-up wheel.

[0005] Compared with the prior art, the beneficial effect of the utility model is that when the wire is pulled outward, the wire will drive the wire drum and the wire wheel to rotate, and the sliding seat will slide toward the wire take-up assembly under the pulling force of the wire, so that the wire wheel and the wire take-up wheel are meshed and connected, thereby driving the wire take-up wheel and the wire drum to rotate and tighten the wire rope; and after the wire is released, the sliding seat can be slid back to the wire take-up assembly, so that the wire wheel and the wire take-up wheel are separated. At this time, the wire wheel will not be affected when the wire take-up wheel rotates in the opposite direction to release the wire rope. Therefore, the wire rope adjustment buckle does not need to set a series of gear transmissions to achieve the engagement and separation between the wire pulley and the wire take-up wheel, which can simplify the structure of the wire rope adjustment buckle, and at the same time can reduce the comprehensive cost of the wire rope adjustment buckle including material cost, processing cost and assembly cost. In addition, the transmission process when the engagement and separation between the wire pulley and the wire take-up wheel is relatively simple, which can reduce the probability of transmission failure and ensure the reliability of transmission.

[0006] In the above-mentioned wire rope adjustment buckle, an elastic member is connected between the shell and the sliding seat, and the elastic member is used to pull the sliding seat away from the wire-receiving assembly to separate the wire-pulling wheel from the wire-receiving wheel.

[0007] In the above-mentioned cord adjustment buckle, a first connecting column is provided on the shell, a second connecting column is provided on the sliding seat, and the elastic member is a tension spring, and the two ends of the tension spring are respectively fixedly connected to the first connecting column and the second connecting column.

[0008] In the above-mentioned wire rope adjustment buckle, a mounting seat is fixedly connected inside the sliding seat, a third connecting column is fixedly connected to the mounting seat, and the wire pulling wheel and the wire pulling drum are rotatably sleeved on the third connecting column in turn.

[0009] In the above-mentioned wire rope adjustment buckle, an elastic clip is provided at the upper end of the third connecting column, and the elastic clip includes two opposing elastic connecting blocks, and the two elastic connecting blocks can move closer to each other when subjected to force; when the two elastic connecting blocks move closer to each other under force, the outer diameter of the elastic clip is equal to or smaller than the socket hole of the wire pulling wheel and the wire pulling drum, so that the wire pulling wheel and the wire pulling drum can pass through the elastic clip and be socketed onto the third connecting column; when the two elastic connecting blocks return to their original state, the outer diameter of the elastic clip is larger than the socket hole of the wire pulling wheel and the wire pulling drum.

[0010] The above-mentioned wire rope adjustment buckle, the wire pulling assembly also includes an energy storage component, and the two ends of the energy storage component are respectively fixedly connected to the wire pulling drum and the sliding seat; when the wire pulling wire is pulled out, the wire pulling drum rotates to pay out the wire, and the energy storage component stores energy; when the wire pulling wire is released, the energy storage component releases energy to make the wire pulling drum rotate in the opposite direction and retract the wire pulling wire.

[0011] The above-mentioned wire rope adjustment buckle, the wire take-up assembly also includes a fixed seat detachably connected to the inner part of the shell, and the wire take-up wheel and the wire take-up disk are rotatably connected to the fixed seat.

[0012] The above-mentioned wire rope adjustment buckle, the wire taking-up assembly also includes a ratchet, a pawl and a handle, the ratchet, the wire taking-up wheel and the wire taking-up drum are fixedly connected, the pawl is elastically connected to the outer shell, and the handle has a pushing portion; the pawl can be meshed and connected with the ratchet, and the handle can be rotated relative to the outer shell so that the pushing portion abuts against the pawl and separates the pawl from the ratchet.

[0013] The above-mentioned wire rope adjustment buckle, the ratchet, the take-up wheel and the take-up disk are rotatably connected to the outer shell through a fourth connecting column, and the outer shell is provided with an elastic stop portion, the first end of the handle is rotatably sleeved on the fourth connecting column, and the second end of the handle extends to the outside of the outer shell; the two sides of the elastic stop portion have a first position and a second position, when the second end of the handle is in the first position, the pawl is meshed and connected with the ratchet, and when the second end of the handle is in the second position, the pawl is separated from the ratchet.

[0014] The above-mentioned cord adjustment buckle, the shell includes a fixing frame, a base and an upper cover, the base is buckled and connected to the fixing frame, the wire pulling assembly and the wire taking-up assembly are installed in the base, and the upper cover is detachably covered and connected to the upper end of the base.

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the cord adjustment buckle according to an embodiment of the utility model;

[0017] Figure 2 for Figure 1 The schematic diagram of the structure of the cord adjustment buckle after the upper cover is hidden;

[0018] Figure 3 for Figure 1 An exploded view of the cord adjustment buckle is shown;

[0019] Figure 4 An exploded view of a housing of an embodiment of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the mounting frame of an embodiment of the utility model;

[0021] Figure 6 This is one of the structural schematic diagrams of the base of the embodiment of the utility model;

[0022] Figure 7 This is the second structural schematic diagram of the base of the embodiment of the utility model;

[0023] Figure 8 This is a schematic diagram of the structure of the upper cover of an embodiment of the utility model;

[0024] Fig. 9 This is one of the structural schematic diagrams of the sliding seat of an embodiment of the utility model;

[0025] Fig.10 This is the second structural schematic diagram of the sliding seat of the embodiment of the utility model;

[0026] Fig.11 This is a schematic structural diagram of a mounting block and a first connecting column according to an embodiment of the utility model;

[0027] Fig.12 This is a schematic diagram of the structure of the mounting base of an embodiment of the utility model;

[0028] Fig.13 This is a schematic diagram of the structure of the fixing seat of an embodiment of the utility model;

[0029] Fig.14 This is a diagram showing the matching relationship of the partial structures of the wire pulling assembly and the wire taking-up assembly in an embodiment of the utility model.

[0030] Description of Figure Numbers:

[0031] 100 housing, 110 fixing frame, 111 mounting hole, 112 buckle connecting hole, 120 bottom bracket, 121 elastic buckle, 122 mounting wing, 123 reinforcing rib, 124 first limiting slider, 125 first limiting slide groove, 126 mounting block, 126 first connecting column, 127 mounting groove, 128 third positioning hole, 130 upper cover, 131 first positioning hole, 132 second positioning hole, 133 positioning block, 134 third limiting slide groove;

[0032] 200 wire take-up assembly, 210 wire take-up wheel, 220 wire take-up drum, 230 fixing seat, 231 positioning groove, 232 elastic connecting strip, 2321 elastic stopper, 240 ratchet, 250 pawl, 260 handle, 261 pushing part, 270 fourth connecting column, 280 rotating shaft;

[0033] 300 wire drawing assembly, 310 sliding seat, 311 second limiting sliding groove, 312 second limiting sliding block, 313 second connecting column, 314 clamping slot, 320 wire drawing wheel, 330 wire drawing drum, 340 mounting seat, 341 third connecting column, 342 elastic clamping piece, 3421 elastic connecting block, 343 clamping block, 350 energy storage component, 360 hand-pulling part;

[0034] 400 elastic parts. DETAILED DESCRIPTION

[0035] The embodiments of the present invention are described in detail below. Figure 1 , Figure 2 , Figure 3 and Fig.14 The embodiment of the utility model provides a wire rope adjustment buckle, including a shell 100, a wire taking-up assembly 200 and a wire pulling assembly 300; the wire taking-up assembly 200 includes a wire taking-up wheel 210 and a wire taking-up drum 220 fixedly connected to the wire taking-up wheel 210, the wire taking-up wheel 210 and the wire taking-up drum 220 are both rotatably connected to the shell 100, and the wire taking-up drum 220 is used for winding the wire rope; the wire pulling assembly 300 includes a sliding seat 310, a wire pulling wheel 320 and a wire pulling drum 330 fixedly connected to the wire pulling wheel 320, the sliding seat 310 is slidably connected to the shell 100, the wire pulling wheel 320 and the wire pulling drum 330 are both rotatably connected to the sliding seat 310, and the wire pulling drum 330 is used for winding the pulling wire; the sliding seat 310 can slide toward or away from the wire taking-up assembly 200 to make the wire pulling wheel 320 engage or separate with the wire taking-up wheel 210.

[0036] When the pulling wire is pulled outward, the pulling wire will drive the pulling drum 330 and the pulling wheel 320 to rotate, and the sliding seat 310 will slide toward the wire taking-up assembly 200 due to the pulling force of the pulling wire, so that the pulling wheel 320 is meshed and connected with the wire taking-up wheel 210, thereby driving the wire taking-up wheel 210 and the wire taking-up drum 220 to rotate and tighten the wire rope; after the pulling wire is released, the sliding seat 310 can be made to slide back to the wire taking-up assembly 200, so that the pulling wheel 320 is separated from the wire taking-up wheel 210, and at this time, the wire taking-up wheel 210 will not affect the pulling wheel 320 when it rotates in the opposite direction to release the wire rope. Therefore, the wire rope adjustment buckle does not need to be provided with a series of gear transmissions to achieve the engagement and separation between the wire pulling wheel 320 and the wire taking-up wheel 210, which can simplify the structure of the wire rope adjustment buckle and also reduce the comprehensive cost of the wire rope adjustment buckle including material cost, processing cost and assembly cost. In addition, the transmission process when the engagement and separation between the wire pulling wheel 320 and the wire taking-up wheel 210 is achieved is relatively simple, which can reduce the probability of transmission failure and ensure the reliability of transmission. It is understandable that in order to enable the sliding seat 310 to be stressed and slide toward the wire taking-up assembly 200 when pulling the wire, the pulling direction of the wire is from the direction of the wire pulling assembly 300 to the direction of the wire taking-up assembly 200.

[0037] Further, refer to Figure 1 and Figure 4 The housing 100 includes a fixing frame 110, a bottom bracket 120 and an upper cover 130. The bottom bracket 120 is snap-connected to the fixing frame 110. The wire pulling assembly 300 and the wire taking-up assembly 200 are installed in the bottom bracket 120. The upper cover 130 is detachably connected to the upper end of the bottom bracket 120. Figure 5The fixing frame 110 has a mounting hole 111, and the side wall of the mounting hole 111 is provided with a snap-fit ​​connection hole 112. Figure 6 and Figure 7 The outer wall of the bottom bracket 120 is provided with an elastic buckle 121. When installing the bottom bracket 120, the bottom of the bottom bracket 120 is inserted into the installation hole 111, and the elastic buckle 121 is inserted into the buckle connection hole 112, so as to realize the connection between the bottom bracket 120 and the fixing frame 110. Two mounting wings 122 are arranged opposite to each other on the upper outer side of the bottom bracket 120. A reinforcing rib 123 is connected between the mounting wing 122 and the bottom bracket 120. The reinforcing rib 123 is provided with a hole position, so that the cord adjustment buckle can be installed to the desired position for use.

[0038] Continue to refer to Figure 6 and Figure 7 The inner bottom wall of the bottom bracket 120 is opposite to two first limiting sliders 124, and a first limiting slot 125 is provided between the two first limiting sliders 124. Fig. 9 and Fig.10 , two second limiting slide grooves 311 are oppositely arranged at the bottom of the sliding seat 310, and a second limiting slider 312 is provided between the two second limiting slide grooves 311. When the sliding seat 310 is installed in the base 120, the two first limiting sliders 124 on the base 120 can be slidably inserted into the two second limiting slide grooves 311 of the sliding seat 310, and the second limiting slider 312 of the sliding seat 310 can be slidably inserted into the first limiting slide groove 125 of the base 120, so that the sliding seat 310 can accurately slide toward the take-up assembly 200, ensuring that the wire pulling wheel 320 can accurately engage with the take-up wheel 210. Figure 8 The inner top wall of the upper cover 130 is provided with a first positioning hole 131, a second positioning hole 132 and two positioning blocks 133, so as to facilitate the positioning connection between the upper cover 130 and the wire take-up assembly 200. The inner top wall of the upper cover 130 is also provided with a third limiting slide groove 134. When the upper cover 130 covers the upper end of the bottom bracket 120, the upper end of the wire pull drum 330 can be slidably limited and connected in the third limiting slide groove 134, so that the wire pull assembly 300 can only slide toward or away from the wire take-up assembly 200.

[0039] It is understandable that the sliding seat 310 can be manually pulled away from the wire take-up assembly 200, or it can be automatically pulled away from the wire take-up assembly 200, that is, after the wire is released, the sliding seat 310 can be manually reset, or it can be automatically reset. Figure 2 , Figures 9 to 11When the sliding seat 310 is automatically pulled away, an elastic member 400 is connected between the housing 100 and the sliding seat 310, and the elastic member 400 is used to pull the sliding seat 310 away from the wire-taking assembly 200, so that the wire-pulling wheel 320 is separated from the wire-taking wheel 210. When the wire is pulled out, the pulling force of the wire is transmitted to the sliding seat 310 through the wire-pulling disk 330 and the wire-pulling wheel 320, so that the sliding seat 310 slides toward the wire-taking assembly 200. At this time, the elastic member 400 is stretched, and after the wire is released, the elastic restoring force of the elastic member 400 will pull the sliding seat 310 back, so that the sliding seat 310 drives the wire-pulling wheel 320 to leave the wire-taking wheel 210. Specifically, the housing 100 is provided with a first connecting column 1261, and the sliding seat 310 is provided with a second connecting column 313. The elastic member 400 is a tension spring, and the two ends of the tension spring are respectively fixedly connected to the first connecting column 1261 and the second connecting column 313. In some embodiments, a mounting block 126 can be detachably provided on the base 120, a mounting groove 127 is provided at the end of the base 120, and a first connecting column 1261 is provided on the mounting block 126. After the structures of the mounting block 126 and the first connecting column 1261 are processed, one end of the tension spring is hung on the first connecting column 1261, and then the mounting block 126 is fixedly installed in the mounting groove 127 of the base 120. This can facilitate the processing and forming of the first connecting column 1261, and can also facilitate the installation of the elastic member 400. Furthermore, the installation directions of the first connecting column 1261 and the second connecting column 313 are opposite, for example, the free end of the first connecting column 1261 faces upward, and the free end of the second connecting column 313 faces downward. During assembly, one end of the elastic member 400 is first hung on the first connecting column 1261, and then the mounting block 126 is inserted into the mounting groove 127. At this time, the other end of the elastic member 400 passes through the mounting groove 127 and extends into the base 120. When installing the sliding seat 310, align the second connecting column 313 with the hook at the other end of the elastic member 400. After pressing down the sliding seat 310 to install, the second connecting column 313 can be inserted into the hook at the other end of the elastic member 400.

[0040] Further, refer to Fig.12 The sliding seat 310 is fixedly connected with a mounting seat 340, and the mounting seat 340 is fixedly connected with a third connecting column 341. The wire pull wheel 320 and the wire pull drum 330 are rotatably sleeved on the third connecting column 341 in turn. The wire pull drum 330 and the wire pull wheel 320 can be integrally formed or split, preferably integrally formed. Fig. 9 The inner bottom wall of the sliding seat 310 is provided with a slot 314, referring to Fig.12 The bottom of the mounting seat 340 is provided with a clamping block 343, and the mounting seat 340 can be clamped in the clamping groove 314 of the sliding seat 310 through the clamping block 343 at the bottom. Fig.12An elastic clip 342 is provided at the upper end of the third connecting column 341, and the elastic clip 342 includes two opposing elastic connecting blocks 3421. The two elastic connecting blocks 3421 can move closer to each other when subjected to force; when the two elastic connecting blocks 3421 move closer to each other under force, the outer diameter of the elastic clip 342 is equal to or smaller than the socket hole of the wire pulling wheel 320 and the wire pulling drum 330, so that the wire pulling wheel 320 and the wire pulling drum 330 can pass through the elastic clip 342 and be socketed onto the third connecting column 341; when the two elastic connecting blocks 3421 return to their original state, the outer diameter of the elastic clip 342 is larger than the socket hole of the wire pulling wheel 320 and the wire pulling drum 330. A guiding slope can be set at the upper end of the elastic connecting block 3421. When installing the wire pulling wheel 320 and the wire pulling drum 330, the socket holes of the wire pulling wheel 320 and the wire pulling drum 330 can be aligned with the elastic connecting block 3421 and pressed down with force. The two elastic connecting blocks 3421 are forced to move closer to each other, so that the wire pulling wheel 320 and the wire pulling drum 330 are installed on the third connecting column 341. After the wire pulling wheel 320 and the wire pulling drum 330 are installed on the third connecting column 341, the limiting of the two elastic connecting blocks 3421 will be released, so that the two elastic connecting blocks 3421 will return to their original state. At this time, the outer diameter of the elastic clip 342 is larger than the socket holes of the wire pulling wheel 320 and the wire pulling drum 330, which can prevent the wire pulling wheel 320 and the wire pulling drum 330 from falling off the upper end of the third connecting column 341 during the process of rotation under force.

[0041] Further, refer to Figure 3 The wire pull assembly 300 also includes an energy storage member 350, which is a coil spring installed inside the wire pull drum 330, and the two ends of the coil spring are respectively fixedly connected to the wire pull drum 330 and the sliding seat 310; when the wire is pulled out, the wire pull drum 330 rotates to release the wire, and the energy storage member 350 stores energy; when the wire is released, the energy storage member 350 releases energy to make the wire pull drum 330 rotate in the opposite direction and retract the wire. The wire pull assembly 300 also includes a hand-pull portion 360 connected to the end of the wire, and the hand-pull portion 360 can be made of a flexible material, so that the consumer can pull the hand-pull portion 360 and pull out the wire. When the hand-pull portion 360 is released, after the wire is retracted, the hand-pull portion 360 can abut against the outside of the housing 100 to prevent the end of the wire from being retracted to the wire pull drum 330.

[0042] The wire take-up assembly 200 can be directly mounted in the housing 100, or can be mounted in the housing 100 through other structures. Figure 2 , Figure 3 and Fig.13The wire take-up assembly 200 also includes a fixing seat 230 detachably connected to the housing 100, and the wire take-up wheel 210 and the wire take-up drum 220 are rotatably connected to the fixing seat 230. During installation, the structures such as the wire take-up wheel 210 and the wire take-up drum 220 can be first installed in the fixing seat 230, and then the fixing seat 230 can be installed in the housing 100 for easy assembly. It should be noted that since the fixing seat 230 is fixedly installed in the housing 100, when the wire rope adjustment buckle includes the fixing seat 230, some structures set on the housing 100 in this application, such as the elastic stopper 2321, etc., can be set on the fixing seat 230 according to actual needs.

[0043] Reference Fig.14 The wire take-up assembly 200 further includes a ratchet 240, a pawl 250 and a handle 260. The ratchet 240, the wire take-up wheel 210 and the wire take-up drum 220 are fixedly connected. In some embodiments, the ratchet 240, the wire take-up wheel 210 and the wire take-up drum 220 can be integrally formed. The pawl 250 is elastically connected to the housing 100, and the handle 260 has a push portion 261. The pawl 250 can be meshed and connected with the ratchet 240 under the action of elastic force, and the handle 260 can rotate relative to the housing 100 so that the push portion 261 abuts against the pawl 250 and separates the pawl 250 from the ratchet 240. Further, the ratchet 240, the take-up wheel 210 and the take-up drum 220 are rotatably connected to the housing 100 via the fourth connecting column 270. It can be understood that when the wire rope adjustment buckle includes the structure of the fixed seat 230, the ratchet 240, the take-up wheel 210 and the take-up drum 220 are rotatably connected to the fixed seat 230 via the fourth connecting column 270, and the pawl 250 is rotatably connected to the fixed seat 230 via the rotating shaft 280. Figure 6 , Figure 8 , Fig.13 and Fig.14 The inner bottom wall of the base 120 is provided with a third positioning hole 128, and the fixing seat 230 is provided with two positioning grooves 231. When the upper cover 130 is closed and connected to the upper end of the base 120, the lower end of the fourth connecting column 270 is positioned and inserted in the third positioning hole 128 of the inner bottom wall of the base 120, and the upper ends of the fourth connecting column 270 and the rotating shaft 280 are respectively positioned and inserted in the first positioning hole 131 and the second positioning hole 132 of the inner top wall of the upper cover 130, and the positioning block 133 of the inner top wall of the upper cover 130 is positioned and inserted in the positioning groove 231 of the fixing seat 230.

[0044] Further, refer to Figure 2 and Fig.13, the housing 100 is provided with an elastic stopper 2321, the first end of the handle 260 is rotatably sleeved with the fourth connecting column 270, and the second end of the handle 260 extends out of the housing 100; the two sides of the elastic stopper 2321 have a first position and a second position, when the second end of the handle 260 is in the first position, the pawl 250 is meshed and connected with the ratchet 240, and when the second end of the handle 260 is in the second position, the pawl 250 is separated from the ratchet 240. Since the fixing seat 230 is fixedly connected to the housing 100, the elastic stopper 2321 can also be provided on the fixing seat 230. In some embodiments, the elastic stopper 2321 can be an elastic protrusion provided on the fixing seat 230, and when the handle 260 is rotated, the elastic stopper 2321 can be deformed so that the handle 260 can be switched between the first position and the second position, and after the handle 260 is rotated to the right position, the elastic stopper 2321 returns to its original state to stop the handle 260. In some other embodiments, an elastic connecting strip 232 can be provided on the last week of the fixing seat 230, and the elastic connecting strip 232 extends and is distributed along the upper periphery of the fixing seat 230, and one end of the elastic connecting strip 232 is connected to the base 120, and the other end is suspended, and an elastic stop portion 2321 is provided at the suspended end of the elastic connecting strip 232 and protrudes upward, and when the handle 260 is rotated, the second end of the handle 260 presses downward against the elastic stop portion 2321, and the suspended end of the elastic connecting strip 232 is pressed downward, so that the handle 260 can move smoothly between the first position and the second position, and after the second end of the handle 260 disengages from the elastic stop portion 2321 and the handle 260 is released, the suspended end of the elastic connecting strip 232 rebounds, and the elastic stop portion 2321 can effectively stop the handle 260, so that the handle 260 remains in the first position or the second position.

[0045] The use process of this cord adjustment buckle is as follows:

[0046] The housing 100 can be installed on items such as shoes that require the use of a cord adjustment buckle. The cords of the shoes and other items are wound around the outer periphery of the take-up drum 220. For shoes, the cords are shoelaces. After the cord adjustment buckle is installed, the pull cord remains wound around the outer periphery of the pull cord drum 330 under the action of the energy storage member 350, and the hand-pull portion 360 at the end of the pull cord abuts against the outside of the housing 100, while the second end of the handle 260 is located in the first position. At this time, the pawl 250 is meshed and connected with the ratchet 240, so that the ratchet 240, the take-up wheel 210 and the take-up drum 220 are fixed relative to the housing 100, and the cord remains in a tightened state.

[0047] When the wire rope needs to be tightened, the wire is pulled toward the direction of the wire-reeling assembly 200. During the process of the wire being pulled out, the wire drum 330 and the wire wheel 320 are driven to rotate, and the pulling force of the wire is transmitted to the sliding seat 310 via the wire drum 330 and the wire wheel 320. Under the limiting action of the first limiting slider 124, the second limiting slider 312, the first limiting slot 125, the second limiting slot 311 and the third limiting slot 134, the sliding seat 310 will drive the wire drum 330 and the wire wheel 320 to slide toward the wire-reeling assembly 200, so that the wire wheel 320 is meshed and connected with the wire-reeling wheel 210. During the rotation of the wire wheel 320, the energy storage component 350 starts to store energy, and the elastic component 400 is in a stretched state. When the wire is pulled continuously, the rotation of the wire pull wheel 320 will drive the take-up wheel 210 to rotate. When the take-up wheel 210 rotates, the take-up drum 220 can tighten the wire rope, and under the action of the ratchet 240 and the pawl 250, the take-up drum 210 can only rotate in one direction, thereby ensuring that the wire rope is always in a tightened state, and playing a role in preventing loosening. After tightening the wire rope, the wire rope is released, and the energy storage member 350 releases energy, so that the wire rope is retracted to the wire pull drum 330, and the elastic member 400 can pull the sliding seat 310 away from the take-up assembly 200, so that the wire pull wheel 320 is separated from the take-up drum 210. At this time, the second end of the handle 260 is still located at the first position, and the pawl 250 and the ratchet 240 are still meshed and connected, so that the ratchet 240, the take-up wheel 210 and the take-up drum 220 are fixed relative to the housing 100, and the wire rope remains in a tightened state.

[0048] When the line needs to be loosened, the pull-wire assembly 300 remains in its original state, and the handle 260 is rotated so that the second end of the handle 260 slides over the elastic stopper 2321, and the second end of the handle 260 moves from the first position to the second position, and the push portion 261 of the handle 260 pushes the pawl 250 away from the ratchet 240. At this time, the rotation direction of the take-up wheel 210 and the take-up drum 220 is not restricted, and the take-up drum 220 and the take-up drum 220 can be rotated in the direction of loosening the line by pulling the line, thereby loosening the line. When the line needs to be tightened again, the second end of the handle 260 is returned to the first position, and the pull-wire is pulled again.

[0049] It should be noted that in the description of the present invention, if there are any orientation descriptions, such as up, down, front, back, left, right, etc., the orientations or positional relationships indicated are all based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed or operated in a specific orientation, and cannot be understood as a limitation on the present invention.

[0050] In the description of the present utility model, "several" means one or more, "more" means two or more, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used to distinguish the technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0051] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0052] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A cord adjustment buckle, characterized in that: It comprises a housing (100), a wire-receiving assembly (200) and a wire-pulling assembly (300); The wire taking-up assembly (200) comprises a wire taking-up wheel (210) and a wire taking-up drum (220) fixedly connected to the wire taking-up wheel (210); the wire taking-up wheel (210) and the wire taking-up drum (220) are both rotatably connected to the housing (100); and the wire taking-up drum (220) is used for winding a wire rope; The wire pulling assembly (300) comprises a sliding seat (310), a wire pulling wheel (320), and a wire pulling drum (330) fixedly connected to the wire pulling wheel (320), wherein the sliding seat (310) is slidably connected to the housing (100), the wire pulling wheel (320) and the wire pulling drum (330) are both rotatably connected to the sliding seat (310), and the wire pulling drum (330) is used for winding the wire; The sliding seat (310) can slide toward or away from the wire-receiving assembly (200) so as to enable the wire-pulling wheel (320) to engage with or separate from the wire-receiving wheel (210).

2. The cord adjustment buckle according to claim 1, characterized in that: An elastic member (400) is connected between the housing (100) and the sliding seat (310), and the elastic member (400) is used to pull the sliding seat (310) away from the wire-receiving assembly (200) so as to separate the wire-pulling wheel (320) from the wire-receiving wheel (210).

3. The cord adjustment buckle according to claim 2, characterized in that: The housing (100) is provided with a first connecting column (1261), the sliding seat (310) is provided with a second connecting column (313), and the elastic member (400) is a tension spring, the two ends of which are respectively fixedly connected to the first connecting column (1261) and the second connecting column (313).

4. The cord adjustment buckle according to claim 1, characterized in that: The sliding seat (310) is fixedly connected with a mounting seat (340), the mounting seat (340) is fixedly connected with a third connecting column (341), and the wire pulling wheel (320) and the wire pulling drum (330) are rotatably sleeved on the third connecting column (341) in sequence.

5. The cord adjustment buckle according to claim 4, characterized in that: An elastic clamp (342) is provided at the upper end of the third connecting column (341), and the elastic clamp (342) includes two opposite elastic connecting blocks (3421), and the two elastic connecting blocks (3421) can move closer to each other when subjected to force; When the two elastic connection blocks (3421) are forced to move closer to each other, the outer diameter of the elastic clamp (342) is equal to or smaller than the socket hole of the wire pulling wheel (320) and the wire pulling drum (330), so that the wire pulling wheel (320) and the wire pulling drum (330) can pass through the elastic clamp (342) and be socketed onto the third connection column (341); When the two elastic connection blocks (3421) return to their original state, the outer diameter of the elastic clamp (342) is larger than the socket connection hole between the wire pulling wheel (320) and the wire pulling drum (330).

6. The cord adjustment buckle according to claim 1, characterized in that: The wire pulling assembly (300) further comprises an energy storage component (350), and two ends of the energy storage component (350) are respectively fixedly connected to the wire pulling disc (330) and the sliding seat (310); When the pulling wire is pulled out, the pulling wire drum (330) rotates to release the wire, and the energy storage component (350) stores energy; When the pulling wire is released, the energy storage member (350) releases energy to cause the pulling wire drum (330) to rotate in the opposite direction and retract the pulling wire.

7. The cord adjustment buckle according to claim 1, characterized in that: The wire take-up assembly (200) further comprises a fixing seat (230) detachably connected to the housing (100), and the wire take-up wheel (210) and the wire take-up drum (220) are rotatably connected to the fixing seat (230).

8. The cord adjustment buckle according to claim 1, characterized in that: The wire take-up assembly (200) further comprises a ratchet (240), a ratchet pawl (250) and a handle (260); the ratchet (240), the wire take-up wheel (210) and the wire take-up reel (220) are fixedly connected; the ratchet pawl (250) is elastically connected to the housing (100); and the handle (260) has a push portion (261); The pawl (250) can be meshedly connected with the ratchet (240), and the handle (260) can be rotated relative to the housing (100) so that the pushing portion (261) abuts against the pawl (250) and separates the pawl (250) from the ratchet (240).

9. The cord adjustment buckle according to claim 8, characterized in that: The ratchet wheel (240), the take-up wheel (210) and the take-up drum (220) are rotatably connected to the housing (100) via a fourth connecting column (270); the housing (100) is provided with an elastic stopper (2321); the first end of the handle (260) is rotatably sleeved on the fourth connecting column (270), and the second end of the handle (260) extends out of the housing (100); The elastic stop portion (2321) has a first position and a second position on both sides. When the second end of the handle (260) is located at the first position, the pawl (250) is meshed and connected with the ratchet (240). When the second end of the handle (260) is located at the second position, the pawl (250) is separated from the ratchet (240).

10. The cord adjustment buckle according to any one of claims 1 to 9, characterized in that: The housing (100) comprises a fixing frame (110), a base (120) and an upper cover (130); the base (120) is snap-connected to the fixing frame (110); the wire pulling assembly (300) and the wire taking-up assembly (200) are installed in the base (120); and the upper cover (130) is detachably covered and connected to the upper end of the base (120).

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