High-strength anti-deformation aluminum casting for bobbin case of sewing machine

Abstract

The high-strength anti-deformation aluminum casting for the bobbin case of the sewing machine comprises a bobbin case body, a penetrating groove is formed in the top of the bobbin case body, an anti-deformation assembly is arranged in the penetrating groove, the anti-deformation assembly comprises a sliding piece and an installation piece, a rectangular groove is formed in the inner side of the sliding piece, and the installation piece is arranged in the rectangular groove. The first guide wheel slides in the first guide rail, namely, the sliding piece slides back and forth in the through groove, the second guide wheel slides in the second guide rail, namely, the mounting piece slides back and forth in the mounting frame, and therefore the guide wheels continuously move on the through groove; the limiting wheels move according to the extending position of the rope, the limiting wheels rotate smoothly, namely the friction between the structure and the rope is reduced to the maximum extent through rotation of the two limiting wheels and movement of the guide wheel according to the extending position of the rope, and deformation of the structure is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine shuttle technology fields, specifically a kind of high-strength anti-deformation aluminium casting for sewing machine shuttle. BACKGROUND

[0002] Sewing machine shuttle is one of important accessories of sewing machine, and its quality and performance directly affect the effect and efficiency of sewing. Preventing the deformation of shuttle is crucial to ensure the normal operation of sewing machine and sewing quality.

[0003] The current sewing machine shuttle is used, because internal string is stretched, and the string outlet of the shuttle is rubbed, and long-time rubbing can easily lead to the deformation of the shuttle, and the deformation of the shuttle can lead to uneven tension of bottom thread, so that problems such as uneven stitches, skipping thread and broken thread occur, affecting the sewing effect; The cooperation precision between the deformed shuttle and other sewing machine parts is affected, the friction and wear are increased, and the service life of the sewing machine is reduced; And the seriously deformed shuttle can be stuck or cannot normally run, resulting in failure of the sewing machine, and affecting the work efficiency. SUMMARY

[0004] The utility model aims at providing a kind of high-strength anti-deformation aluminium casting for sewing machine shuttle to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of high-strength anti-deformation aluminium casting for sewing machine shuttle, including shuttle body, the top of the shuttle body includes slot, the anti-deformation assembly is arranged in the slot, the anti-deformation assembly includes sliding member and mounting piece, the inner side of the sliding member is provided with rectangular groove, the first limit wheel and the second limit wheel are arranged above the rectangular groove.

[0007] In a preferred embodiment of the utility model, the two sides of the sliding member are provided with mounting rod, and the first guide wheel is rotatably arranged on the mounting rod.

[0008] In a preferred embodiment of the utility model, the two sides of the slot are provided with first guide rail, and the first guide wheel is slidably connected with the first guide rail.

[0009] In a preferred embodiment of the utility model, the first shaft groove is arranged on the side of the mounting rod connected with the first guide wheel, and the first ball is rotatably arranged in the first shaft groove.

[0010] In a preferred embodiment of the utility model, the sliding piece top side is provided with the mounting frame, the mounting frame inside upper and lower sides are provided with the second guide rail, the mounting piece upper and lower sides are provided with the second guide wheel, the second guide wheel and the second guide rail are sliding connection.

[0011] In a preferred embodiment of the utility model, the first limiting wheel and the second limiting wheel one side are provided with the gear, two the gears are mutually engaged.

[0012] In a preferred embodiment of the utility model, the first limiting wheel and the second limiting wheel other side are provided with the connecting bolt, the mounting piece is provided with the connecting port, the connecting bolt is rotatably installed in the connecting port.

[0013] In a preferred embodiment of the utility model, the connecting bolt and the connecting port connection side are provided with the second shaft slot, the second shaft slot inside is provided with the second ball.

[0014] The additional aspects and advantages of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model.

[0015] Beneficial effect: the wire rope is sequentially threaded between the rectangular slot and two limiting wheels, is rotated through the first guide wheel, makes the first guide wheel slide in the first guide rail, i. e. the sliding piece slides back and forth in the slot, is rotated through the second guide wheel, thereby making the second guide wheel slide in the second guide rail, i. e. the mounting piece slides back and forth in the mounting frame, thereby making the guide wheel continuously keep moving on the slot, i. e. moving according to the position of wire rope extension, and rolling through the second ball, thereby making the limiting wheel keep smooth rotation, i. e. through the rotation of two limiting wheels, and the guide wheel moves according to the position of wire rope extension, thereby minimizing the friction of structure and wire rope, effectively avoiding the deformation of structure.

[0016] The above description is only the summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferred embodiments of the utility model and cooperate with the drawings are described in detail as follows.The specific implementation of the utility model is given in detail by the following examples and its drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the utility model will become apparent and easily understood from the description of the embodiments combined with the following drawings, in which:

[0018] Figure 1 It is a kind of main body structure schematic diagram for high-strength deformation-resistant aluminum casting of sewing machine shuttle shell;

[0019] Figure 2It is a kind of high-strength anti-deformation aluminum casting for sewing machine bobbin shell, and it is a kind of anti-deformation component structure diagram in the high-strength anti-deformation aluminum casting for sewing machine bobbin shell.

[0020] Figure 3 It is a kind of high-strength anti-deformation aluminum casting for sewing machine bobbin shell, and it is a kind of sliding member structure diagram in the high-strength anti-deformation aluminum casting for sewing machine bobbin shell.

[0021] Figure 4 It is a kind of high-strength anti-deformation aluminum casting for sewing machine bobbin shell, and it is a kind of mounting member structure diagram in the high-strength anti-deformation aluminum casting for sewing machine bobbin shell.

[0022] Figure 5 It is a kind of high-strength anti-deformation aluminum casting for sewing machine bobbin shell, and it is a kind of two limiting wheel structure diagram in the high-strength anti-deformation aluminum casting for sewing machine bobbin shell.

[0023] In the figure: 1, bobbin shell body; 11, through slot; 12, first guide rail; 13, sliding member; 14, rectangular groove; 2, mounting rod; 21, first shaft groove; 22, first guide wheel; 23, first ball; 24, mounting frame; 3, mounting member; 31, second guide wheel; 32, second guide rail; 33, connecting port; 34, second shaft groove; 4, first limiting wheel; 41, gear; 42, connecting bolt; 43, second ball; 44, second limiting wheel. DETAILED DESCRIPTION

[0024] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0025] Please refer to Figures 1-5 The present application discloses a kind of high-strength anti-deformation aluminum casting for sewing machine bobbin shell, including bobbin shell body 1, bobbin shell body 1 top includes through slot 11, bobbin shell body 1 is sewing machine bobbin, and thread is then from through slot 11, through slot 11 inside is provided with anti-deformation component, anti-deformation component is used to place structural deformation, anti-deformation component includes sliding member 13 and mounting member 3, sliding member 13 and mounting member 3 are all installation structure, rectangular groove 14 is arranged in the inner side of sliding member 13, rectangular groove 14 top is provided with first limiting wheel 4 and second limiting wheel 44, thread is sequentially threaded between rectangular groove 14 and two limiting wheels, bobbin shell body 1 and anti-deformation component adopt high-strength aluminum material.

[0026] The sliding piece 13 is provided with a mounting rod 2 on both sides, the mounting rod 2 is a mounting structure, a first guide wheel 22 is rotatably arranged on the mounting rod 2, and a first guide rail 12 is arranged inside the both sides of the through slot 11, the first guide wheel 22 is in sliding connection with the first guide rail 12, that is, the first guide wheel 22 is clamped in the first guide rail 12 and slides, a first shaft slot 21 is arranged on the side of the mounting rod 2 connected with the first guide wheel 22, a first ball 23 is rotatably arranged in the first shaft slot 21, the mounting rod 2 is not in direct contact with the first guide wheel 22, that is, the first guide wheel 22 is supported by the first ball 23, so that the position of the first guide wheel 22 remains stable, and the first guide wheel 22 rolls through the first ball 23, so that the first guide wheel 22 rotates smoothly, that is, the first guide wheel 22 rotates, so that the sliding piece 13 slides back and forth in the through slot 11, that is, it slides according to the position of the wire harness.

[0027] A mounting frame 24 is arranged on one side of the top of the sliding piece 13, the mounting frame 24 is a mounting structure, a second guide rail 32 is arranged inside the mounting frame 24, a second guide wheel 31 is rotatably arranged on the upper and lower sides of the mounting piece 3, the inner structure of the second guide wheel 31 is the same as that of the first guide wheel 22, the second guide wheel 31 is in sliding connection with the second guide rail 32, the second guide wheel 31 is clamped in the second guide rail 32 and slides, that is, the second guide wheel 31 rotates, so that the mounting piece 3 slides back and forth in the mounting frame 24.

[0028] The first limiting wheel 4 and the second limiting wheel 44 are provided with a gear 41 on one side, the two gears 41 are meshed with each other, the first limiting wheel 4 and the second limiting wheel 44 are provided with a connecting pin 42 on the other side, the mounting piece 3 is provided with a connecting port 33, the connecting pin 42 is rotatably arranged in the connecting port 33, the connecting pin 42 and the connecting port 33 are provided with a second shaft slot 34 on the connected side, the second shaft slot 34 is rotatably provided with a second ball 43, the connecting pin 42 is not in direct contact with the connecting port 33, that is, the connecting pin 42 is supported by the second ball 43, and the connecting pin 42 rolls through the second ball 43, so that the connecting pin 42 rotates smoothly, the first limiting wheel 4 and the second limiting wheel 44 on the outside rotate smoothly at the same time, and the two gears 41 are meshed, so that the two limiting wheels rotate at the same time, that is, when the wire passes through, the rotation of the two limiting wheels effectively reduces the friction between the wire and the structure, so as to protect the structure and the wire at the same time.

[0029] The working principle of the utility model is: the wire rope is threaded from the slot 11, and the wire rope is threaded between the rectangular slot 14 and the two limit wheels in turn, the shuttle shell body 1 and the anti-deformation assembly adopt high-strength aluminum material, the first guide wheel 22 is smoothly rotated through the first ball 23, the first guide wheel 22 is slid in the first guide rail 12 through the rotation of the first guide wheel 22, namely the sliding piece 13 is slid back and forth in the slot 11, the second guide wheel 31 is slid in the second guide rail 32 through the rotation of the second guide wheel 31, namely the mounting piece 3 is slid back and forth in the mounting frame 24, the connecting bolt 42 is supported through the second ball 43, and the limit wheel is smoothly rotated through the rolling of the second ball 43, and the two limit wheels are simultaneously rotated through the meshing of the two gears 41, namely the wire rope is rotated through the rotation of the two limit wheels when passing through, thereby effectively reducing the friction between the wire rope and the structure, and the guide wheel continuously moves on the slot 11, namely moving according to the position of the wire rope, thereby maximally reducing the friction between the structure and the wire rope, and effectively avoiding the deformation of the structure.

[0030] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A high-strength anti-deformation aluminum casting for a sewing machine bobbin case, characterized by: Including shuttle shell body (1), the top of the shuttle shell body (1) includes a through slot (11), the inside of the through slot (11) is provided with an anti-deformation assembly, the anti-deformation assembly includes a sliding piece (13) and a mounting piece (3), the inside of the sliding piece (13) is provided with a rectangular groove (14), the rectangular groove (14) is provided with a first limiting wheel (4) and a second limiting wheel (44) above.

2. A high strength anti-deformation aluminum casting for a sewing machine bobbin case according to claim 1, characterized in that, The two sides of the sliding piece (13) are provided with mounting rods (2), and the first guide wheels (22) are rotatably arranged on the mounting rods (2).

3. A high strength anti-deformation aluminum casting for a sewing machine bobbin case according to claim 2, characterized in that, The inside of the through slot (11) is provided with first guide rails (12) on both sides, and the first guide wheels (22) are in sliding connection with the first guide rails (12).

4. A high strength anti-deformation aluminum casting for a sewing machine bobbin case according to claim 2, characterized in that, The side, connected with the first guide wheels (22), of the mounting rod (2) is provided with a first shaft groove (21), and the first shaft groove (21) is internally rotatably provided with first rolling balls (23).

5. A high strength anti-deformation aluminum casting for a sewing machine bobbin case according to claim 1, characterized in that, The top of the sliding piece (13) is provided with a mounting frame (24), and the inside of the mounting frame (24) is provided with second guide rails (32) on the upper and lower sides, and the mounting piece (3) is rotatably provided with second guide wheels (31) on the upper and lower sides, and the second guide wheels (31) are in sliding connection with the second guide rails (32).

6. A high strength anti-deformation aluminum casting for a sewing machine bobbin case according to claim 1, characterized in that, The first limiting wheel (4) and the second limiting wheel (44) are provided with a gear (41) on one side, and the two gears (41) are in meshing with each other.

7. A high strength anti-deformation aluminum casting for a sewing machine bobbin case according to claim 6, characterized in that, The other side of the first limiting wheel (4) and the second limiting wheel (44) is provided with a connecting bolt (42), and the mounting piece (3) is provided with a connecting port (33), and the connecting bolt (42) is rotatably arranged in the connecting port (33).

8. A high strength anti-deformation aluminum casting for a sewing machine bobbin case according to claim 7, characterized in that, The side, connected with the connecting port (33), of the connecting bolt (42) is provided with a second shaft groove (34), and the second shaft groove (34) is internally rotatably provided with second rolling balls (43).

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