Wire holder structure

Abstract

The invention relates to a coil holder structure which comprises a main rod and a bobbin cross rod, the bobbin cross rod is installed on the main rod through an installation base, a plurality of coil columns are arranged on the bobbin cross rod in the length direction of the bobbin cross rod, the coil columns are detachably arranged on the bobbin cross rod, and the coil columns are arranged obliquely upwards relative to the main rod. The wire column and the mounting base are arranged on the two sides of the bobbin cross rod respectively, the mounting base and the bobbin cross rod are arranged in a split mode, the mounting base is detachably mounted on the main rod, a connecting piece is arranged on the side, facing the bobbin cross rod, of the mounting base, and an inserting groove is correspondingly formed in the bobbin cross rod. And the connecting piece is inserted into the inserting groove so as to realize the connection between the mounting seat and the bobbin cross rod. By the adoption of the technical scheme, according to the coil holder structure, the installation base and the bobbin cross rod are arranged in a split mode and are installed and fixed after being subjected to injection molding, machining is convenient, meanwhile, the installation base and the bobbin cross rod are convenient and fast to install, and firmness between the installation base and the bobbin cross rod is good.

Description

TECHNICAL FIELD

[0001] The present application relates to a thread rack structure. BACKGROUND

[0002] The thread rack is a device for arranging sewing thread, which ensures that the sewing thread does not look too messy and does not mix together. The existing thread rack generally comprises a main rod and a thread cylinder cross rod arranged on the main rod, and the thread cylinder cross rod is provided with a thread column and a thread disc.

[0003] In the prior art, the thread cylinder cross rod is generally horizontally arranged on the main rod, the thread cylinder cross rod is provided with a mounting hole, the main rod is arranged in the mounting hole, the thread cylinder cross rod is fixed on the main rod by a screw and a hoop, and the thread column is vertically arranged on the thread cylinder cross rod. However, such a structure limits the number of thread cylinder cross rods arranged on the main rod, and if more thread cylinder cross rods need to be arranged, the height of the main rod needs to be increased, which easily leads to poor stability of the thread rack and easy collapse during use. In addition, the mounting seat is arranged on the thread cylinder cross rod outside the main rod to realize the mounting between the thread cylinder cross rod and the main rod. However, the existing mounting seat is integrally injection molded with the thread cylinder cross rod, which leads to large processing difficulty and difficult demolding. Moreover, the mounting seat and the main rod are connected by a screw and a hoop, which leads to troublesome disassembly and assembly and cannot realize quick disassembly and assembly. In addition, the thread column and the thread disc are screwed and fixed on the thread cylinder cross rod by a screw, and other tools are needed to complete the assembly, which leads to low assembly efficiency. SUMMARY

[0004] The purpose of the present application is to overcome the defects of the prior art, and the present application provides a thread rack structure. The mounting seat and the thread cylinder cross rod are separately arranged and fixed after injection molding, which facilitates processing. In addition, the mounting seat and the thread cylinder cross rod are convenient to install and have good firmness.

[0005] The technical scheme of the present application is a thread rack structure, which comprises a main rod and a thread cylinder cross rod. The thread cylinder cross rod is arranged on the main rod through a mounting seat. The thread cylinder cross rod is provided with a plurality of thread columns along the length direction thereof, and each thread column is detachably arranged on the thread cylinder cross rod and is arranged obliquely upward relative to the main rod. The thread column and the mounting seat are arranged on the two sides of the thread cylinder cross rod, respectively. The mounting seat and the thread cylinder cross rod are separately arranged. The mounting seat is detachably arranged on the main rod. The side of the mounting seat facing the thread cylinder cross rod is provided with a connecting piece. The thread cylinder cross rod is correspondingly provided with a plug-in groove. The connecting piece is arranged in the plug-in groove to realize the connection between the mounting seat and the thread cylinder cross rod. The mounting seat is provided with a mounting hole and a slot communicating with the mounting hole. The main rod is arranged in the mounting hole. The mounting seat is provided with a locking structure. The locking structure can adjust the clamping force of the mounting seat on both sides of the slot to make the mounting seat tightly or loosely hold the main rod, so as to realize the mounting or dismounting between the mounting seat and the main rod.

[0006] The technical scheme is adopted, the wire column is inclined and arranged upwards, so that the wire cylinder is not easy to fall off when being installed on the wire column, and compared with the existing vertical arrangement mode of the wire column, more wire columns can be installed on the same height main rod, the mounting seat and the wire cylinder horizontal rod are separately arranged, and are separately injection molded during processing, and are installed again during use, compared with the existing integral injection molding, the complexity of the mold can be reduced, so that the cost and manufacturing difficulty of the mold are reduced, and during subsequent maintenance and replacement, only the damaged parts need to be replaced, without the need of overall replacement, cost is saved, and advantages in production flexibility, material selection, and reduction of manufacturing risk are achieved, especially when complex parts, functional requirement changes, and large-scale production are faced, the advantages are particularly prominent, and the mounting seat is connected with the main rod through the locking assembly, so that the mounting seat is convenient and fast to disassemble and assemble, and quick disassembly and assembly can be achieved.

[0007] Further provided in the application is that one side of the mounting seat facing the wire cylinder horizontal rod is a slope, the connecting piece comprises a first connecting plate arranged in parallel with the slope and a second connecting plate located between the first connecting plate and the mounting seat, the second connecting plate is provided with first connecting blocks on both sides, the lower end of the insertion slot is open, and the side of the insertion slot facing the mounting seat is provided with two first elastic hooks arranged oppositely, when the connecting piece is inserted into the insertion slot, the first elastic hooks are hooked on the first connecting blocks, and a gap is formed between the first elastic hooks and the side wall of the mounting slot, so that the first elastic hooks are elastically deformed to be separated from the first connecting blocks.

[0008] The above further arrangement improves the firmness between the mounting seat and the wire cylinder horizontal rod, and the mounting seat and the wire cylinder horizontal rod can be disassembled without using external tools, so that the disassembly and assembly are convenient and fast, when disassembled, the first elastic hooks are driven from the bottom of the insertion slot to both sides, so that the first elastic hooks are elastically deformed to be separated from the first connecting blocks, and then the wire cylinder horizontal rod can be removed from the mounting seat, the upper end surface of the first connecting block is inclined, and the first elastic hook is also provided with an inclined surface, so that the first elastic hook is elastically deformed when sliding downward.

[0009] Still further provided in the application is that the clamp wire assembly comprises a bottom plate, a wire guide plate, a mounting rod and a clamp wire, the wire guide plate and the clamp wire are mounted on the bottom plate through the mounting rod, and the bottom plate is detachably mounted on the wire cylinder horizontal rod.

[0010] The above further arrangement can optimize the tension of the sewing thread, keep the smooth flow of the sewing thread, and prevent the thread from knotting, so that the sewing machine operates more efficiently and accurately during the whole sewing process, the bottom plate and the wire cylinder horizontal rod are separately arranged and connected after separate injection molding, so that the mold structure is simple.

[0011] The further improved aspect of the present application is that the bottom plate is provided with two second elastic hooks, and a gap is arranged between the two second elastic hooks for elastic deformation; the wire cylinder cross rod is provided with a connecting chamber with an open upper end; the opposite two side walls of the connecting chamber are provided with second connecting blocks, and the second elastic hooks are arranged on the second connecting blocks to realize the installation of the bottom plate.

[0012] The further improved aspect has the advantages of simple structure, convenient and fast disassembly and assembly, and the second elastic hooks are inserted from the open upper end of the connecting chamber and then slid downward, and when the second connecting blocks are positioned, the second elastic hooks move towards each other, are elastically deformed, and enter between the two second connecting blocks, and then continue to slide downward until the hooking parts of the second elastic hooks are hooked on the second connecting blocks, so that the disassembly and assembly are convenient and fast, and other installation tools are not needed, and the upper end surface of the second connecting block is inclined to facilitate the sliding of the second elastic hooks between the two second connecting blocks.

[0013] The further improved aspect of the present application is that the connecting chamber is provided with a notch for exposing the second elastic hooks, so as to drive the elastic deformation of the second elastic hooks and make them separate from the second connecting blocks.

[0014] The further improved aspect facilitates the user to stretch into the notch, drive the two second elastic hooks to move towards each other and separate from the second connecting blocks, and then the bottom plate can be removed from the wire cylinder cross rod.

[0015] The further improved aspect of the present application is that the side of the bottom plate located at the thread clamp is provided with a tensioning column, and the guide plate is provided with a thread inlet hole and a thread outlet hole.

[0016] The further improved aspect has the advantages that the sewing thread on the sewing cylinder passes through the thread inlet hole on the guide plate, then passes around the clamping piece of the thread clamp, then passes around the tensioning column, and finally passes through the thread outlet hole, the tensioning column is arranged to prevent the sewing thread from falling off the thread clamp, the tensioning column can tighten the sewing thread, and the sewing is more smooth.

[0017] The further improved aspect of the present application is that the locking structure comprises a locking piece and a limiting rod, one end of the limiting rod penetrates through the locking piece and penetrates through a slot, a limiting piece is arranged on the limiting rod, the other end of the limiting rod is provided with a limiting part, an axial limiting space is formed between the limiting piece and the limiting part, the locking piece is rotationally arranged on the limiting rod and located between the limiting part and the mounting seat, the limiting part is pressed against the outer side surface of the locking piece, one of the inner side surface of the locking piece and the outer side surface of the mounting seat is provided with an inclined surface or an arc surface, and the other is provided with a pressing surface, so that when the locking piece rotates, the pressing surface cooperates with the inclined surface or the arc surface to adjust the clamping force of the mounting seat on two sides of the slot and realize the installation or disassembly of the wire cylinder cross rod.

[0018] With the further setting, the size of the slotted opening can be adjusted by rotating the locking member, so as to adjust the clamping force of the mounting seat, and the disassembly and assembly of the bobbin crossbar can be realized without the aid of tools, which is convenient, time-saving and labor-saving, and the adjustment is convenient and fast. When the locking member rotates, the abutting surface cooperates with the inclined surface or the arc surface, one side wall of the mounting seat axially slides relative to the other side wall of the limiting rod, so that the slotted opening becomes larger or smaller, and when the locking member is unlocked, the mounting seat can axially slide relative to the main rod to realize disassembly, and when the locking member is locked, the mounting seat cannot move, and the stability is good.

[0019] The further setting of the present application is that the bobbin crossbar is provided with a plurality of installation channels along the length direction thereof, the lower end of the thread column is provided with at least two third elastic hooks, a gap is arranged between the adjacent two third elastic hooks for elastic deformation, each third elastic hook passes through the installation channel and is hooked on the bottom of the bobbin crossbar to realize the connection of the thread column and the bobbin crossbar, and the installation channel is provided with a movement space for the inward elastic deformation of each third elastic hook to make the elastic hook disengage from the bobbin crossbar.

[0020] With the further setting, there is a gap between the adjacent third elastic hooks, when the third elastic hook is located in the installation channel, each third elastic hook deforms inwardly, so that the third elastic hook can pass through the installation channel, after passing through the installation channel, the third elastic hook will rebound due to its elasticity, the third elastic hook hooks the bottom of the bobbin crossbar, the clamping of the thread column and the bobbin crossbar is completed, when disassembling, each third elastic hook is pressed inwardly to make it disengage from the bottom of the bobbin crossbar, and then the thread column is pulled out outwardly to take off the thread column from the bobbin crossbar, so that the disassembly and assembly of the thread column is very convenient, and the thread column will not be damaged after disassembly.

[0021] The further setting of the present application further comprises a thread passing support, the thread passing support is arranged in a shape of or H-shaped, the two ends of the thread passing support are connected with the bobbin crossbar, and the crossbar in the middle of the thread passing support is provided with a thread passing hole corresponding to the position of each thread column.

[0022] With the further setting, the sewing thread on the bobbin passes through the thread passing hole after passing through the thread clamp assembly, which plays a guiding role, ensures that the thread will not be stuck or knotted in the sewing process, and keeps smooth flow. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The figure is a structural schematic diagram of the embodiment of the present application; Figure 2 The figure is a connection schematic diagram of the mounting seat and the main rod of the embodiment of the present application; Figure 3 The figure is a connection schematic diagram of the mounting seat and the bobbin crossbar of the embodiment of the present application; Figure 4 The figure is a schematic diagram of the bobbin crossbar of the embodiment of the present application; Figure 5 For Figure 4 Enlarged view of part A in the middle; Figure 6 Schematic view of the mounting seat of the specific embodiment of the present application; Figure 7 Schematic view of the other side of the mounting seat of the specific embodiment of the present application; Figure 8 Schematic view of the bottom plate of the specific embodiment of the present application; Figure 9 Schematic view of the wire clipper group of the specific embodiment of the present application; Figure 10 Schematic view of the locking member of the specific embodiment of the present application; Figure 11 Front view of the locking member of the specific embodiment of the present application; Figure 12 Schematic view of the limiting member as a nut of the specific embodiment of the present application; Figure 13 Schematic view of the riveting of the limiting member to the limiting rod of the specific embodiment of the present application; Figure 14 Schematic view of the installation channel on the wire drum crossbar of the specific embodiment of the present application; Figure 15 Schematic view of the wire column of the specific embodiment of the present application.

[0024] In the figure, 1, main rod; 11, support seat; 2, wire drum crossbar; 21, plug-in slot; 211, first elastic hook; 22, connection chamber; 221, second connection block; 222, notch; 23, installation channel; 231, positioning step; 3, mounting seat; 31, connecting member; 311, first connection block; 32, mounting hole; 33, slot; 34, inclined surface; 35, mounting slot; 36, movable slot; 4, wire clipper assembly; 41, bottom plate; 411, second elastic hook; 42, wire guide plate; 43, mounting rod; 44, wire clipper; 45, tensioning column; 5, locking structure; 51, locking member; 511, pressing surface; 512, lug; 513, accommodating slot; 514, through hole; 52, limiting rod; 521, limiting member; 522, limiting part; 6, wire column; 61, third elastic hook; 62, positioning boss; 63, sleeve member; 7, wire passing support; 71, wire passing hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0026] It should be noted that all directional indications, such as upper, lower, front, rear, etc., are only used for explanation purposes in describing the present application and do not indicate or imply that a certain position of the components is preferred or essential to the application.

[0027] In addition, the terms "first", "second", and the like, as used in the description of the application, are used for descriptive purposes only and should not be construed as indicating or implying relative importance or an ordered sequence. In the description of the application, the term "several" means at least two, for example two, three, etc., unless otherwise explicitly specified.

[0028] In addition, the technical solutions of various embodiments of the present application can be combined with each other, but it must be based on the realization of the skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the scope of protection required by the present application.

[0029] As Figures 1-15As shown, a line frame structure, comprising a main rod 1 and a bobbin cross rod 2, the bobbin cross rod 2 is installed on the main rod 1 through a mounting seat 3, a plurality of line columns 6 are arranged on the bobbin cross rod 2 along the length direction thereof, each line column 6 is detachably arranged on the bobbin cross rod 2, and the line column 6 is arranged obliquely upward relative to the main rod 1, the line column 6 and the mounting seat 3 are arranged on both sides of the bobbin cross rod 2 respectively, a supporting seat 11 is arranged at the bottom of the main rod 1, the line frame is installed on the sewing machine through the supporting seat 11, the mounting seat 3 and the bobbin cross rod 2 are arranged in a split mode, the mounting seat 3 is detachably installed on the main rod 1, a connecting piece 31 is arranged on the side of the mounting seat 3 facing the bobbin cross rod 2, a plug-in slot 21 is correspondingly arranged on the bobbin cross rod 2, the connecting piece 31 is inserted into the plug-in slot 21 to realize the connection between the mounting seat 3 and the bobbin cross rod 2, the bobbin cross rod 2 can be arranged obliquely relative to the main rod 1 as a whole, or only the face of the line column 6 can be arranged obliquely relative to the main rod 1, an installation hole 32 and a slot 33 communicating with the installation hole 32 are arranged on the mounting seat 3, the main rod 1 is inserted into the installation hole 32, a locking structure 5 is arranged on the mounting seat 3, the locking structure 5 can adjust the clamping force of the mounting seat 3 on both sides of the slot, so as to tightly or loosely hold the main rod 1, thereby realizing the installation or disassembly between the mounting seat 3 and the main rod 1, the line column is arranged obliquely upward, so that the bobbin is not easy to fall off when installed on the line column, and compared with the existing vertical arrangement mode of the line column, more layers of line columns can be installed on the main rod of the same height, compared with the existing horizontal arrangement mode of the bobbin cross rod, when the bobbin cross rod is inclined relative to the main rod, more bobbin cross rods can also be installed on the main rod of the same height, or bobbin cross rods can be arranged on both sides of the main rod, the bobbin cross rods on both sides can share one mounting seat, or the mounting seats can be used separately, when the bobbin cross rods are arranged on both sides, no thread clamp assembly is arranged on the bobbin cross rod, the mounting seat 3 and the bobbin cross rod 2 are arranged in a split mode, are separately injection molded during processing, and are installed during use, compared with the existing integral injection molding, the complexity of the mold can be reduced, thereby reducing the cost and manufacturing difficulty of the mold, and during subsequent maintenance and replacement, only the damaged parts need to be replaced, without the need for overall replacement, thereby saving cost, and having advantages in production flexibility, material selection, reduction of manufacturing risk, etc., especially when facing complex parts, changes in functional requirements, and large-scale production, at the same time, the mounting seat is connected with the main rod through the locking assembly, so that the mounting seat is convenient and fast to disassemble and assemble, and can be quickly disassembled and assembled, in order to ensure the stability of the bobbin cross rod 2, two main rods 1 can be arranged, and two mounting seats 3 are correspondingly arranged and sleeved on the corresponding main rods 1.

[0030] The specific structure that the wire drum cross rod 2 is inclined to the main rod 1 as a whole, the side of the mounting seat 3 towards the wire drum cross rod 2 is inclined, the connecting piece 31 comprises a first connecting plate parallel to the inclined surface and a second connecting plate between the first connecting plate and the mounting seat, the two sides of the second connecting plate are provided with first connecting blocks 311, the lower end of the insertion slot 21 is provided with two first elastic hooks 211 on the side towards the mounting seat 3, when the connecting piece 31 is inserted into the insertion slot, the first elastic hooks 211 are hooked on the first connecting blocks 311, a gap is provided between the first elastic hooks 211 and the side wall of the mounting slot 35, so that the first elastic hooks 211 are elastically deformed to be separated from the first connecting blocks 311, the firmness between the mounting seat 3 and the wire drum cross rod 2 is improved, and the mounting seat 3 and the wire drum cross rod 2 do not need to borrow external tools for disassembly and assembly, which is convenient and fast, when disassembling, the first elastic hooks 211 are driven from the bottom of the insertion slot to both sides, so that they are elastically deformed to be separated from the first connecting blocks 311, and the wire drum cross rod can be taken off from the mounting seat 3, the upper end surface of the first connecting block 311 is inclined, and the first elastic hook 211 is also provided with an inclined surface, when the first elastic hook 211 slides downward, it is convenient to be elastically deformed.

[0031] Also included is a thread tensioner assembly 4, which includes a base plate 41, a thread guide plate 42, a mounting rod 43, and a thread tensioner 44, the thread guide plate 42 and the thread tensioner 44 are mounted on the base plate 41 through the mounting rod 43, the base plate 41 is detachably mounted on the bobbin crossbar 2, the thread tensioner 44 can optimize the tension of the sewing thread, keep the smooth flow of the sewing thread, and prevent the thread from knotting, so that the sewing machine operates more efficiently and accurately during the entire sewing process, the base plate 41 is separately injection molded and then connected and mounted, which is convenient for processing and makes the mold structure simple, the thread tensioner 44 is prior art, so it will not be described in detail; the base plate 41 is provided with a tensioning column 45 on one side of the thread tensioner 44, the thread guide plate 42 is provided with a thread inlet hole and a thread outlet hole, the number of thread tensioners, thread guide plates, and mounting rods is the same as the number of thread columns on each bobbin crossbar, the sewing thread on the bobbin passes through the thread inlet hole on the thread guide plate, then passes around the clamping piece of the thread tensioner, then passes around the tensioning column, and finally passes through the thread outlet hole, the tensioning column avoids the sewing thread from falling off the thread tensioner, and can tighten the sewing thread, so that the sewing is smoother, the specific mounting structure between the base plate 41 and the bobbin crossbar 2 is that the base plate 41 is provided with two second elastic hooks 411, a gap is provided between the two second elastic hooks 411 to allow them to elastically deform, the bobbin crossbar 2 is provided with a connection chamber 22 with an open upper end, opposite side walls of the connection chamber 22 are provided with second connection blocks 221, and the second elastic hooks 411 are hooked on the second connection blocks 221 to realize the mounting of the base plate 41, the structure is simple, and the disassembly and assembly are convenient and fast, when mounting, the second elastic hooks 411 are inserted from the open upper end of the connection chamber 22 and are slid downward, when the second connection blocks 221 are positioned, the second elastic hooks 411 move towards each other and elastically deform into the two second connection blocks 221, and continue to slide downward until the hooking part of the second elastic hooks 411 is hooked on the second connection blocks 221, the disassembly and assembly are convenient and fast, and other mounting tools are not needed, the upper end surface of the second connection block 221 is inclined, which facilitates the sliding of the second elastic hooks 411 into the two second connection blocks 221; a slot 222 is formed in the connection chamber 22 to expose the second elastic hooks 411, so as to drive the second elastic hooks 411 to elastically deform and separate from the second connection blocks 221, the user can stretch into the slot 222 to drive the two second elastic hooks 411 to move towards each other and separate from the second connection blocks 221, and then the base plate 41 can be removed from the bobbin crossbar 2.

[0032] The embodiment 1 of the locking structure 5 comprises a locking piece 51 and a limiting rod 52, one end of the limiting rod 52 penetrates through the locking piece 51 and penetrates through the slot 33, and the limiting rod 52 is provided with a limiting piece 521, the other end of the limiting rod 52 is provided with a limiting part 522, and an axial limiting space is formed between the limiting piece 521 and the limiting part 522, the locking piece 51 is rotationally arranged on the limiting rod 52 and located between the limiting part 522 and the mounting seat 3, the limiting part 522 abuts against the outer side surface of the locking piece 51, one of the inner side surface of the locking piece 51 and the outer side surface of the mounting seat 3 is provided with an inclined surface 34 or an arc surface, and the other is provided with an abutting surface 511, so that when the locking piece 51 rotates, the abutting surface 511 cooperates with the inclined surface 34 or the arc surface to adjust the clamping force of the mounting seat 3 on both sides of the slot 33 to realize the installation or disassembly of the wire drum crossbar 2, and the opening size of the slot 33 can be adjusted by rotating the locking piece 51, so that the clamping force of the mounting seat 3 is adjusted, and the disassembly and assembly of the wire drum crossbar 2 can be realized without the aid of tools, which is convenient and time-saving. The adjustment is convenient and fast, the locking piece 51 rotates, the abutting surface 511 cooperates with the inclined surface 34 or the arc surface, one of the side walls of the mounting seat 3 slides relative to the other in the axial direction of the limiting rod 52, so that the slot 33 becomes larger or smaller, and when it is unlocked, it can slide axially relative to the main rod 1 to realize disassembly, and when it is locked, it cannot move, and the stability is good. The abutting surface 511 can be a protruding part arranged on one of the side surfaces, or an inclined surface 34 or an arc surface; the disassembly and assembly of the wire drum crossbar 2 can be realized without the aid of tools, which is convenient and time-saving. The adjustment is convenient and fast, compared with the locking or unlocking of the wire drum crossbar 2 by cooperating the bolt and the nut, which needs to rotate the nut for many turns to realize it, the locking structure 5 of the application is more convenient and fast in operation, and only needs to rotate a small angle to unlock or lock, for example, when the locking piece 51 rotates clockwise, the locking piece 51 moves on the inclined surface 34 or the arc surface, so that one of the side walls of the mounting seat 3 is pressed and slides axially in the axial space relative to the other, so that the slot 33 becomes smaller, and the mounting seat 3 tightly holds the lock and cannot move, and the stability is good. When it is reversed, the slot 33 becomes larger and is unlocked, and can slide axially relative to the main rod 1 to realize disassembly. Of course, it can also be unlocked when it is rotated clockwise, and locked when it is rotated counterclockwise. According to the specific inclined surface, the locking piece 51 can also be provided with a lug 512 to facilitate the rotation of the locking piece 51. Specifically, the cooperation between the limiting rod 52 and the locking piece 51, the locking piece 51 is provided with a containing groove 513, the bottom of the containing groove 513 is provided with a through hole 514 for the limiting rod 52 to penetrate, and the limiting part 522 of the limiting rod 52 is located in the containing groove 513 and abuts against the bottom wall of the containing groove 513, so that the limiting part 522 is not exposed, which is more beautiful and safer.

[0033] Specifically, the limiting member 521 is a nut, the limiting rod 52 is a bolt, the nut and the locking member 51 are respectively located at two ends of the limiting rod 52, and in this embodiment, a mounting groove 35 and a movable groove 36 are arranged on the corresponding mounting seat 3 at both sides of the slot 33, the mounting groove 35 and the movable groove 36 are communicated with the slot 33, the nut is arranged in the mounting groove 35, the locking member 51 is rotatably arranged in the movable groove 36, one end of the limiting rod 52 extends through the slot 33 to the mounting groove 35 and is threadedly connected with the nut, and an inclined surface 34 or an arc surface or a pressing surface 511 is arranged on a bottom wall of the movable groove 36.

[0034] Of course, the limiting member 521 and the limiting portion 522 can also be riveted on both ends of the limiting rod 52.

[0035] In addition, the limiting member 521 can be a limiting pin, and the limiting rod 52 is provided with a insertion hole, and the limiting pin is arranged in the insertion hole.

[0036] In the second embodiment of the locking structure 5, the locking structure 5 comprises a locking member 51 and a limiting rod 52, the limiting rod 52 is a bolt, one end of the limiting rod 52 extends through the locking member 51 and is threadedly connected to the mounting seat 3 through the slot 33, the other end is provided with a limiting portion 522, the locking member 51 is rotatably arranged on the limiting rod 52 and located between the limiting portion 522 and the mounting seat 3, the limiting portion 522 abuts on the outer side surface of the locking member 51, one of the inner side surface of the locking member 51 and the outer side surface of the mounting seat 3 is provided with an inclined surface 34 or an arc surface, and the other is provided with a pressing surface 511, so that when the locking member 51 rotates, the pressing surface 511 cooperates with the inclined surface 34 or the arc surface to adjust the clamping force of the mounting seat 3 at both sides of the slot 33; in this embodiment, a threaded hole and a movable groove 36 are arranged on the corresponding mounting seat 3 at both sides of the slot 33, the threaded hole and the movable groove 36 are communicated with the slot 33, the locking member 51 is rotatably arranged in the movable groove 36, one end of the limiting rod 52 extends through the locking member 51 and extends to the threaded hole through the slot 33 and is threadedly connected with the threaded hole, and an inclined surface 34 or an arc surface or a pressing surface 511 is arranged on a bottom wall of the movable groove 36.

[0037] The wire cylinder crossbar 2 is provided with a plurality of installation channels 23 along its length direction, the lower end of the wire column 6 is provided with at least two third elastic hooks 61, a gap is provided between the adjacent two third elastic hooks 61 for elastic deformation, each third elastic hook 61 passes through the installation channel 23 and is hooked on the bottom of the wire cylinder crossbar 2 to realize the connection of the wire column 6 and the wire cylinder crossbar 2, the installation channel 23 is provided with a space for the inward elastic deformation of each third elastic hook 61 to make the elastic hook disengage from the wire cylinder crossbar 2, there is a gap between the adjacent third elastic hooks 61, when the third elastic hook 61 is located in the installation channel 23, each third elastic hook 61 deforms inwardly, so that the third elastic hook 61 can pass through the installation channel 23, after passing through the installation channel 23, the third elastic hook 61 will rebound due to its elasticity, the third elastic hook 61 hooks the bottom of the wire cylinder crossbar 2, completes the clamping of the wire column 6 and the wire cylinder crossbar 2, when disassembling, press each third elastic hook inwardly to make it disengage from the bottom of the wire cylinder crossbar 2, then pull out the wire column 6 outwardly to take off the wire column 6 from the wire cylinder crossbar 2, so that the disassembly of the wire column 6 is very convenient, and the wire column 6 will not be damaged after disassembly, the wire column 6 is provided with a positioning boss 62 above each third elastic hook 61, the installation channel 23 is provided with a positioning step 231, when the wire column 6 is installed in the installation channel 23, the positioning boss 62 abuts against the positioning step 231 to position the wire column 6 axially to avoid its disengagement from the wire cylinder crossbar 2, the wire column 6 is further provided with a sleeve member 63, the wire cylinder can be sleeved outside the sleeve member 63 to position the wire cylinder to avoid its sliding.

[0038] The overline support 7 is provided with an overline hole 71 corresponding to the position of each wire column 6 on the crossbar of the middle part of the overline support 7, the sewing thread on the wire cylinder passes through the thread clamp assembly and then passes through the overline hole 71 to play a guiding role, ensuring that the thread will not be stuck or knotted in the sewing process and can keep smooth flow.

Claims

1. A creel structure comprising a main bar (1) and a beam (2) of bobbins, the beam (2) being mounted on the main bar (1) by means of a mounting (3), the beam (2) being provided with a plurality of bobbins (6) along its length, characterized in that, The line column (6) and the mounting seat (3) are respectively arranged on both sides of the line cylinder cross rod (2), each line column (6) is detachably arranged on the line cylinder cross rod (2), and the line column (6) is arranged obliquely upward relative to the main rod (1), the mounting seat (3) is arranged in a split mode with the line cylinder cross rod (2), the mounting seat (3) is detachably mounted on the main rod (1), one side of the mounting seat (3) facing the line cylinder cross rod (2) is provided with a connecting piece (31), the line cylinder cross rod (2) is correspondingly provided with a plug-in groove (21), the connecting piece (31) is plug-in arranged in the plug-in groove (21) to realize the connection between the mounting seat (3) and the line cylinder cross rod (2), the mounting seat (3) is provided with a mounting hole (32) and a slot (33) in communication with the mounting hole (32), the main rod (1) is arranged in the mounting hole (32), the mounting seat (3) is provided with a locking structure (5), the locking structure (5) can adjust the clamping force of the mounting seat (3) on both sides of the slot (33), so that the mounting seat (3) tightly holds or releases the main rod (1), thereby realizing the mounting or dismounting between the mounting seat (3) and the main rod (1).

2. The threader structure of claim 1, wherein, One side of the mounting seat (3) facing the line cylinder cross rod (2) is provided with an inclined surface, the connecting piece (31) comprises a first connecting plate arranged in parallel with the inclined surface and a second connecting plate located between the first connecting plate and the mounting seat (3), the second connecting plate is provided with a first connecting block (311) on both sides, the plug-in groove (21) is arranged with an open lower end, one side of the plug-in groove (21) facing the mounting seat (3) is provided with two first elastic hooks (211) arranged oppositely, when the connecting piece (31) is plug-in arranged in the plug-in groove (21), the first elastic hooks (211) are hooked on the first connecting block (311), and a gap is arranged between the first elastic hooks (211) and the side wall of the mounting groove (35), so that the first elastic hooks (211) are elastically deformed to be separated from the first connecting block (311).

3. The spool structure according to claim 1 or 2, characterized in that, Further comprising a wire clamp assembly (4), the wire clamp assembly (4) comprises a bottom plate (41), a wire guide plate (42), a mounting rod (43) and a wire clamp (44), the wire guide plate (42) and the wire clamp (44) are mounted on the bottom plate (41) through the mounting rod (43), and the bottom plate (41) is detachably mounted on the line cylinder cross rod (2).

4. The threader structure of claim 3, wherein, The bottom plate (41) is provided with two second elastic hooks (411), and a gap is arranged between the two second elastic hooks (411) to facilitate elastic deformation, the line cylinder cross rod (2) is provided with a connection cavity (22) arranged with an open upper end, the opposite side walls of the connection cavity (22) are provided with second connecting blocks (221), and the second elastic hooks (411) are hooked on the second connecting blocks (221) to realize the mounting of the bottom plate (41).

5. The spool structure of claim 4, wherein The connection cavity (22) is provided with a slot (222) for exposing the second elastic hooks (411) to drive the second elastic hooks (411) to be elastically deformed and separated from the second connecting blocks (221).

6. The threader structure of claim 3, wherein, One side of the bottom plate (41) located at the wire clamp (44) is provided with a tensioning column (45), and the wire guide plate (42) is provided with a wire inlet hole and a wire outlet hole.

7. The spool structure according to claim 1 or 2, characterized by The locking structure (5) comprises a locking piece (51) and a limiting rod (52), one end of the limiting rod (52) penetrates through the locking piece (51) and passes through the slot (33), and the limiting rod (52) is provided with a limiting piece (521), the other end of the limiting rod (52) is provided with a limiting portion (522), an axial limiting space is formed between the limiting piece (521) and the limiting portion (522), the locking piece (51) is rotationally arranged on the limiting rod (52) and located between the limiting portion (522) and the mounting seat (3), the limiting portion (522) abuts against the outer side surface of the locking piece (51), one of the inner side surface of the locking piece (51) and the outer side surface of the mounting seat (3) is provided with an inclined surface (34) or an arc surface, and the other side surface is provided with an abutting surface (511), so that when the locking piece (51) rotates, the abutting surface (511) cooperates with the inclined surface (34) or the arc surface, the clamping force of the mounting seat (3) on both sides of the slot (33) is adjusted, and the mounting or dismounting of the wire mounting seat (3) is realized.

8. The threader structure of claim 7, wherein, The limiting piece (521) is arranged in the form of a nut, the limiting rod (52) is threadedly connected with the limiting piece (521), or the limiting portion (522) and the limiting piece (521) are riveted to the limiting rod (52) at both ends.

9. The spool structure according to claim 1 or 2, characterized by, The wire cylinder cross rod (2) is provided with a plurality of installation channels (23) arranged along the length direction thereof, the lower end portion of the wire column (6) is provided with at least two third elastic hooks (61), a gap is arranged between the adjacent two third elastic hooks (61) to allow elastic deformation, each third elastic hook (61) penetrates through the installation channel (23) and is hooked on the bottom of the wire cylinder cross rod (2), so as to realize the connection between the wire column (6) and the wire cylinder cross rod (2), and the installation channel (23) is provided with a movement space for the inward elastic deformation of each third elastic hook (61) to make the elastic hook disengage from the wire cylinder cross rod (2).

10. The spool structure of claim 9, wherein Further comprising a wire passing support (7), the wire passing support (7) is arranged in the form of a Chinese character or H, the two ends of the wire passing support (7) are connected with the wire cylinder cross rod (2), and the cross rod in the middle portion of the wire passing support (7) is provided with a wire passing hole (71) corresponding to the position of each wire column (6).

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