Tooth lifting fork for intelligent sewing machine

By designing a lubrication structure inside the feeding lifting fork, the problem of insufficient lubrication caused by increased friction in the feeding mechanism is solved, achieving smooth sliding of the slider and a good lubrication effect.

CN223607499UActive Publication Date: 2025-11-28ZHEJIANG JUNMA GARMENT CO LTD
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Patent Information

Application Number
CN202423251448.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-28
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

In traditional sewing machine feeding mechanisms, the increased friction between the feed lifting fork and the slider leads to insufficient lubrication, affecting the accuracy of the fit and the user experience.

Method used

The inner wall of the feeding lifting fork is designed with a lubrication structure, including a placement groove, a main slide, a secondary slide, and a groove. Through the cooperation of the inclined surface and the guide block, the grease is evenly distributed and lubricated on the surface of the slider.

Benefits of technology

This achieves uniform distribution of lubricating oil during the feeding process, reduces friction, and improves the smoothness of the feeding mechanism and the user experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223607499U_ABST
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Abstract

The utility model relates to the technical field of feed lifting forks, and discloses a feed lifting fork for an intelligent sewing machine, which comprises a mounting piece, an elastic opening arranged on the upper surface of the mounting piece, a feed fork piece fixedly connected to the outer surface of the mounting piece, a mounting block fixedly connected to the outer surface of the mounting piece, and a notch arranged on the outer surface of the mounting piece. A through hole is formed in the inner wall of the tooth fork piece, a lubricating structure is arranged on the inner wall of the tooth fork piece, and in order to enable oil to make better contact with the interior of a part, after a sliding block is installed in the tooth fork piece and large friction force is generated between the sliding block and the tooth fork piece, the oil is placed in a containing groove; when the sliding block moves in the tooth fork piece, oil can slide into the main sliding way, the auxiliary sliding way and the sliding groove along the inclined face arranged on the inner wall of the containing groove, the oil in the main sliding way, the auxiliary sliding way and the sliding groove can make contact with the outer surface of the sliding block when the sliding block moves in the tooth fork piece, and the oil can make uniform contact with the inner wall of the tooth fork piece along with movement of the sliding block.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lifting fork, specifically to a lifting fork for intelligent sewing machine. BACKGROUND

[0002] The feeding lifting fork is one of important components in the feeding mechanism of the sewing machine, and in the traditional structure of the sewing machine, the lifting action of the feeding mechanism is realized by the cooperation of the feeding lifting fork and the sliding block installed in the opening of the fork-shaped part of the feeding lifting fork.

[0003] According to the feeding lifting fork of the sewing machine (publication number: CN105624933B) disclosed in the above application, the first cutout on the mounting part cuts off the tightening part and the fork-shaped part, so that when the feeding lifting fork is fixed on the feeding shaft by using the screw, the stress generated by the deformation of the tightening part will not be concentrated at the transition between the mounting part and the fork-shaped part when the two tightening parts gradually approach each other until locked, which greatly reduces the stress concentration phenomenon at the root of the fork-shaped part, so that the deformation amount of the two prongs of the fork-shaped part is within the specified range, thereby ensuring the cooperation precision of the fork-shaped part and the sliding block.

[0004] However, in the actual use process of the above-mentioned device, the friction between the fork-shaped part and the sliding block increases after a long time of friction, so that oil needs to be added to the fork-shaped part for lubrication, and the connection between the sliding block and the fork-shaped part is relatively close, so that the oil cannot well contact with the sliding block; In view of this, we propose a lifting fork for intelligent sewing machine. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a lifting fork for intelligent sewing machine to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a lifting fork for intelligent sewing machine, comprising a mounting piece, a loose opening is formed on the upper surface of the mounting piece, a prong piece is fixedly connected to the outer surface of the mounting piece, an installation block is fixedly connected to the outer surface of the mounting piece, a cutout is formed on the outer surface of the mounting piece, a through hole is formed in the inner wall of the prong piece, a lubricating structure is arranged on the inner wall of the prong piece, and the lubricating structure comprises:

[0007] A placing groove is formed in the end part of the prong piece, the inner wall side of the placing groove is arranged in an inclined manner, and a main sliding channel is formed in the bottom of the inner wall of the placing groove.

[0008] A secondary sliding channel is formed in the bottom of the inner wall of the placing groove, and a sliding groove is formed in the inner wall of the secondary sliding channel.

[0009] Preferably, the number of the auxiliary slide channels is two, and the two auxiliary slide channels are correspondingly arranged at the center of the main slide channel, and the bottom of the auxiliary slide channel is communicated with the inside of the mounting part, so that the oil in the main slide channel can well lubricate the inside of the mounting part and the inside of the mounting part.

[0010] Preferably, the length of the main slide channel is adapted to the length of the inner wall of the fork part, and the main slide channel is arranged at the center of the bottom of the inner wall of the placing groove, so that the oil can be more evenly diffused in the fork part after entering the inside of the main slide channel.

[0011] Preferably, the slide groove is arranged in an L shape, and the vertical part of the slide groove is arranged in an inclined manner, and the slide groove is communicated with the inside of the mounting part, so that the oil can be more quickly diffused in the inner wall of the fork part.

[0012] Preferably, the inner wall of the auxiliary slide channel is provided with an auxiliary assembly, and the auxiliary assembly comprises a guide block fixedly connected to the side of the inner wall of the auxiliary slide channel.

[0013] Preferably, the size of the guide block is adapted to the size of the auxiliary slide channel, and the guide block is arranged in a right trapezoidal shape.

[0014] Compared with the prior art, the utility model provides a lifting fork for intelligent sewing machine, has the following beneficial effects:

[0015] 1、 the lifting fork for intelligent sewing machine, in order to make the oil can better and the inside of the part contact, after the sliding block is installed in the inside of the fork part, the sliding block and the fork part produce greater friction, put the oil into the inside of the placing groove, the oil will slide into the inside of the main slide channel, the auxiliary slide channel and the slide groove along the inclined surface of the inner wall of the placing groove, so that the sliding block in the fork part is slid when the part rotates, and the oil in the main slide channel, the auxiliary slide channel and the slide groove can be contacted with the outer surface of the sliding block when the sliding block moves in the fork part, and the oil is uniformly contacted with the inner wall of the fork part with the movement of the sliding block, and the oil slides into the inner wall of the mounting part through the main slide channel, the auxiliary slide channel and the slide groove, so that the part can not produce the feeling of stagnation when rotating, and the sliding block can better slide in the fork part.

[0016] 2、 the lifting fork for intelligent sewing machine, in order to let the oil can better guide, after the oil enters the inside of the auxiliary slide channel through the inside of the placing groove, will be contacted with the upper surface of the isosceles trapezoidal guide block, the side inclined surface of the guide block is fixedly connected with the inner wall of the auxiliary slide block, so that the upper surface of the guide block is arranged in an inclined manner, so that the oil is contacted with the outer surface of the guide block and is guided into the inside of the slide groove, so that the oil can better lubricate the part. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is three-dimensional left view structure schematic diagram of the utility model.

[0018] Figure 2 It is the elevating fork lower vision structure schematic view of the utility model;

[0019] Figure 3 It is the section view structure schematic view of the utility model;

[0020] Figure 4 It is the A area enlarged structure schematic view of the utility model.

[0021] In the drawing: 1, mounting piece;2, mounting block;3, tight mouth;4, fork piece;5, through hole;6, cutout;7, lubricating structure;701, placing groove;702, main slide;703, auxiliary slide;704, sliding slot;8, auxiliary assembly;801, guide block. DETAILED DESCRIPTION

[0022] As Figures 1-4 shown, the utility model provides a technical scheme: a kind of intelligent sewing machine is used to elevate fork, including mounting piece 1, and the tight mouth 3 is opened in the upper surface of mounting piece 1, and the fork piece 4 is fixedly connected on the outer surface of mounting piece 1, and the mounting block 2 is fixedly connected on the outer surface of mounting piece 1, and the cutout 6 is opened in the outer surface of mounting piece 1, and the through hole 5 is opened in the inner wall of fork piece 4, and the lubricating structure 7 is arranged in the inner wall of fork piece 4, and lubricating structure 7 includes placing groove 701, main slide 702, auxiliary slide 703 and sliding slot 704.

[0023] In the embodiment of the utility model, placing groove 701 is opened in the end of fork piece 4, and the inner wall side of placing groove 701 is arranged in inclined shape, and main slide 702 is opened in the bottom of the inner wall of placing groove 701, and the length of main slide 702 is adapted to the length of the inner wall of fork piece 4, and the position of main slide 702 is at the center of the bottom of the inner wall of placing groove 701, so that oil can be more evenly diffused in fork piece 4 after entering the inside of main slide 702, auxiliary slide 703 is opened in the bottom of the inner wall of placing groove 701, and the number of auxiliary slide 703 is two, and two auxiliary slides 703 are correspondingly arranged with the center of main slide 702, and the bottom of auxiliary slide 703 is communicated with the inside of mounting piece 1, so that the oil in the inside of main slide 702 can well lubricate the inside of fork piece 4 and mounting piece 1, sliding slot 704 is opened in the inner wall of auxiliary slide 703, sliding slot 704 is arranged in L shape, and the vertical portion of sliding slot 704 is arranged in inclined shape, and sliding slot 704 is communicated with the inside of mounting piece 1, so that oil can be more quickly diffused in the inner wall of fork piece 4.

[0024] Meanwhile, the inner wall of the auxiliary slide channel 703 is provided with an auxiliary assembly 8, which comprises a guide block 801 fixedly connected to the side of the inner wall of the auxiliary slide channel 703, and the size of the guide block 801 is matched with that of the auxiliary slide channel 703, and the guide block 801 is arranged in a right trapezoidal shape, so that the oil entering the inner part of the auxiliary slide channel 703 through the placing groove 701 will be in contact with the upper surface of the right trapezoidal guide block 801, and the side inclined surface of the guide block 801 is fixedly connected to the inner wall of the auxiliary slide channel 703, so that the upper surface of the guide block 801 is arranged in an inclined manner, so that the oil in contact with the outer surface of the guide block 801 will be guided into the slide groove 704, so that the oil can better lubricate the parts.

[0025] In the utility model, when the sliding block is installed in the forked part 4, the sliding block and the forked part 4 generate a large friction force, and then the oil is placed in the placing groove 701, and the oil will slide into the main slide channel 702, the auxiliary slide channel 703 and the slide groove 704 along the inclined surface arranged on the inner wall of the placing groove 701, so that the sliding block slides in the forked part 4 when the part rotates, and the oil in the main slide channel 702, the auxiliary slide channel 703 and the slide groove 704 can be in contact with the outer surface of the sliding block when the sliding block moves in the forked part 4, and the oil will be in uniform contact with the inner wall of the forked part 4 with the movement of the sliding block, and the oil will slide into the inner wall of the mounting part 1 through the main slide channel 702, the auxiliary slide channel 703 and the slide groove 704, so that the part will not produce a sense of stagnation when rotating, and the sliding block can better slide in the forked part 4.

[0026] Further, after the oil enters the inner part of the auxiliary slide channel 703 through the inner part of the placing groove 701, it will be in contact with the upper surface of the right trapezoidal guide block 801, and the side inclined surface of the guide block 801 is fixedly connected to the inner wall of the auxiliary slide channel 703, so that the upper surface of the guide block 801 is arranged in an inclined manner, so that the oil in contact with the outer surface of the guide block 801 will be guided into the slide groove 704, so that the oil can better lubricate the parts.

[0027] The above is a general description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A lifting fork for an intelligent sewing machine, comprising a mounting component (1), wherein the upper surface of the mounting component (1) has an elastic opening (3), a lifting fork component (4) is fixedly connected to the outer surface of the mounting component (1), a mounting block (2) is fixedly connected to the outer surface of the mounting component (1), a slit (6) is provided on the outer surface of the mounting component (1), and a through hole (5) is provided on the inner wall of the lifting fork component (4), characterized in that: The inner wall of the prong (4) is provided with a lubricating structure (7), which comprises: A placing groove (701) is arranged at the end of the prong (4), the inner wall side of the placing groove (701) is arranged in an inclined manner, and the inner wall bottom of the placing groove (701) is provided with a main sliding channel (702); A sub-sliding channel (703) is arranged at the inner wall bottom of the placing groove (701), and the inner wall of the sub-sliding channel (703) is provided with a sliding groove (704).

2. The smart sewing machine with the lifting fork according to claim 1, characterized in that: The number of the sub-sliding channel (703) is two, and the two sub-sliding channels (703) are correspondingly arranged at the center of the main sliding channel (702), and the bottom of the sub-sliding channel (703) is communicated with the inside of the mounting piece (1).

3. The smart sewing machine with the lifting fork according to claim 1, characterized in that: The length of the main sliding channel (702) is matched with the length of the inner wall of the prong (4), and the position of the main sliding channel (702) is at the center of the inner wall bottom of the placing groove (701).

4. The smart sewing machine with the lifting fork according to claim 1, characterized in that: The sliding groove (704) is arranged in an L shape, the vertical part of the sliding groove (704) is arranged in an inclined manner, and the sliding groove (704) is communicated with the inside of the mounting piece (1).

5. The smart sewing machine with the lifting fork according to claim 1, characterized in that: The inner wall of the sub-sliding channel (703) is provided with an auxiliary assembly (8), which comprises a guide block (801), and the guide block (801) is fixedly connected to the inner wall side of the sub-sliding channel (703).

6. The smart sewing machine with the lifting fork according to claim 5, characterized in that: The size of the guide block (801) is matched with the size of the sub-sliding channel (703), and the guide block (801) is arranged in a right trapezoidal shape.

Citation Information

Patent Citations

  • A feeding fork for a sewing machine

    CN105624933B