Sewing machine with adjustable working angle

Abstract

The utility model belongs to the technical field of sewing machines, and particularly relates to a sewing machine with an adjustable working angle, which comprises a workbench, a base and a locking mechanism, a sewing machine main body is arranged on the workbench, and a turntable is arranged on the bottom surface of the workbench; a positioning groove matched with the turntable is formed in the base, and the turntable is rotationally connected with the positioning groove; the locking mechanism is arranged on the base and can lock and unlock the turntable; compared with the prior art, the sewing machine has the advantages that the working angles of the worktable and the sewing machine main body can be adjusted, so that an operator can perform sewing operation in the most comfortable posture, and the fatigue strength of the operator is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sewing machine technical field, especially relate to a sewing machine of adjustable working angle. BACKGROUND

[0002] The sewing machine is a kind of machine for sewing cloth or other materials together, and is widely used in family making, clothing manufacturing, interior decoration and other fields.

[0003] The existing sewing machine includes sewing machine main body, workbench, base, the position between these components is fixed, and the base is generally bulky, after placing stable, the angle of sewing machine main body and workbench cannot be adjusted, unless the entire base is also adjusted, but generally for improving the utilization of space, the base is placed parallel to the wall and presents square, if the angle of base is changed, then it will form larger space waste, therefore operator must adapt to the working angle of sewing machine, and cannot work in the most comfortable posture, and it is easy to fatigue. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above-mentioned technical problem, provides a kind of adjustable working angle's sewing machine, this kind of sewing machine can adjust the working angle of workbench and sewing machine main body, so that operator can carry out sewing operation in the most comfortable posture, reduce the fatigue intensity of operator.

[0005] Therefore, the utility model provides a kind of adjustable working angle's sewing machine, including:

[0006] Workbench, workbench is provided with sewing machine main body, and the bottom surface of workbench is provided with turntable;

[0007] Base, the base is provided with the positioning slot matched with the turntable, and the turntable is rotationally connected with the positioning slot;

[0008] Locking mechanism, locking mechanism is arranged on base, and locking mechanism can lock and unlock turntable.

[0009] In the technical scheme, after placing stable, operator first controls locking mechanism to unlock turntable before sewing operation, at this time, operator adjusts the angle of workbench, so that workbench and sewing machine main body reach the angle of comfortable operation of operator, then controls locking mechanism to lock turntable, then can carry out sewing operation.

[0010] In the above technical scheme, further, locking mechanism includes:

[0011] Retracement slot, retracement slot is arranged on the side wall of positioning slot;

[0012] Locking screw hole, the locking screw hole is arranged on the side wall of the base, and the locking screw hole is communicated with the retreat slot;

[0013] Locking block, the locking block is slidably connected in the retreat slot along the radial direction of the rotating disc, and the locking block can contact the rotating disc;

[0014] Locking screw rod, the locking screw rod is arranged outside the base, and the threaded end of the locking screw rod is threadedly connected with the locking screw hole and rotationally connected with the locking block.

[0015] In the above technical scheme, further, a plurality of fixed tooth bodies are arranged on the outer wall of the rotating disc in a circumferential direction, and a plurality of locking tooth bodies are arranged on the side wall of the locking block close to the rotating disc, and the locking tooth bodies can mesh with the fixed tooth bodies.

[0016] In the above technical scheme, further, a connecting hole is arranged on the bottom surface of the base, the connecting hole is communicated with the positioning slot, a connecting part is rotationally arranged on the bottom of the rotating disc, a connecting screw hole is arranged on the bottom surface of the connecting part, and a connecting screw rod is arranged on the base, the threaded end of the connecting screw rod is threadedly connected with the connecting screw hole after penetrating through the connecting hole.

[0017] In the above technical scheme, further, an arc-shaped guide slot is arranged on the base, the arc-shaped guide slot is coaxially distributed with the rotating disc, and a guide block is arranged on the bottom surface of the workbench and slidably arranged in the arc-shaped guide slot.

[0018] In the above technical scheme, further, the angle adjustment range of the workbench is-30° to +30°.

[0019] The utility model discloses the beneficial effect is:

[0020] 1. by setting the cooperation of rotating disc and positioning slot between workbench and base, and setting locking mechanism on the base to lock and unlock the rotating disc, so that the operator can adjust the working angle of the workbench and the main body of the sewing machine before sewing operation, and the operator can perform sewing operation in the most comfortable posture, reduce the fatigue intensity of the operator, and also improve the efficiency of sewing.

[0021] 2. by the cooperation of retreat slot, locking screw hole, locking block and locking screw rod, the operator only needs to rotate the locking screw rod to drive the locking block to approach and away from the rotating disc, so that the locking and unlocking of the rotating disc can be realized, the operation is simple, and the control is convenient.

[0022] 3. by the cooperation of connecting hole, connecting part, connecting screw hole and connecting screw rod, after the workbench is installed on the base, the longitudinal displacement of the workbench can be limited through the cooperation of the connecting screw rod and the connecting hole and the connecting screw hole, so that the connection stability between the workbench and the base can be improved, and the sewing operation can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0024] Figure 1 The combined state structure schematic diagram of the present application.

[0025] Figure 2 The first direction three-dimensional structure schematic diagram of the base and the workbench in the separated state of the present application.

[0026] Figure 3 The second direction three-dimensional structure schematic diagram of the base and the workbench in the separated state of the present application.

[0027] Figure 4 The workbench bottom structure schematic diagram of the present application.

[0028] Figure 5 The structure schematic diagram of setting the arc-shaped guide groove on the base of the present application.

[0029] Figure 6 The structure schematic diagram of setting the guide block on the workbench bottom surface of the present application.

[0030] The marks in the figure represent:

[0031] 1, workbench; 2, sewing machine main body; 3, turntable; 4, base; 401, positioning groove; 402, connecting hole; 5, locking mechanism; 501, retreat groove; 502, locking screw hole; 503, locking block; 504, locking screw; 601, fixed tooth body; 602, locking tooth body; 7, connecting part; 701, connecting screw hole; 8, connecting screw; 9, arc-shaped guide groove; 10, guide block; DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0033] In the description of the utility model, it is explained that, the terms used herein are only for the purpose of describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the application. For the convenience of description, the size of each part shown in the drawing is not drawn according to the actual proportional relationship. The technology, method and equipment known to those skilled in the related art can not be discussed in detail, but under appropriate circumstances, the technology, method and equipment should be regarded as part of the authorized description. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further discussed in the subsequent drawings.

[0034] Embodiment 1

[0035] As Figures 1-4 shown, the embodiment provides a sewing machine with adjustable working angle, comprising: sewing machine body 2, workbench 1, base 4 and locking mechanism 5,

[0036] Please refer to Figure 1 , the workbench 1 is provided with the sewing machine body 2, the position between the workbench 1 and the sewing machine body 2 is relatively fixed, the main components on the sewing machine are concentrated on the sewing machine body 2 and the workbench 1, please refer to Figure 3 or Figure 4 , the bottom surface of the workbench 1 is provided with a rotating disc 3;

[0037] Please refer to Figure 2 , the base 4 is provided with a positioning groove 401 matched with the rotating disc 3, the rotating disc 3 is connected with the positioning groove 401 in rotation, and the rotating disc 3 and the positioning groove 401 can be connected and separated in the vertical direction;

[0038] The locking mechanism 5 is arranged on the base 4, and the locking mechanism 5 can lock and unlock the rotating disc 3;

[0039] In the embodiment, after the locking mechanism 5 unlocks the rotating disc 3, the external force in the circumferential direction of the rotating disc 3 applied to the workbench 1 can drive the workbench 1 to rotate relative to the base 4, in this process, the workbench 1 will rotate together with the sewing machine body 2, so as to realize the adjustment of the working angle of the sewing machine; after the locking mechanism 5 locks the rotating disc 3, the external force in the circumferential direction of the rotating disc 3 applied to the workbench 1 cannot drive the workbench 1 to move relative to the base 4;

[0040] In this embodiment, after the sewing machine is placed stably, the operator controls the locking mechanism 5 to unlock the rotating disc 3 before the sewing operation, at this time, the operator adjusts the angle of the workbench 1 to make the workbench 1 and the main body 2 of the sewing machine reach a comfortable angle for the operator to operate, and then controls the locking mechanism 5 to lock the rotating disc 3, and then the sewing operation can be carried out.

[0041] Embodiment 2

[0042] This embodiment discloses a structure of the locking mechanism 5 based on the embodiment 1;

[0043] The locking mechanism 5 comprises: a retreat groove 501, a locking screw hole 502, a locking block 503, a locking screw rod 504,

[0044] Please refer to Figure 2 The retreat groove 501 is arranged on the side wall of the positioning groove 401;

[0045] The locking screw hole 502 is arranged on the side wall of the base 4, and the locking screw hole 502 is in communication with the retreat groove 501;

[0046] The locking block 503 is slidably connected in the retreat groove 501 along the radial direction of the rotating disc 3, and the locking block 503 can contact the rotating disc 3;

[0047] The locking screw rod 504 is arranged outside the base 4, and the threaded end of the locking screw rod 504 is threadedly connected with the locking screw hole 502 and is rotationally connected with the locking block 503;

[0048] In this embodiment, the threaded end of the locking screw rod 504 is detachably connected with the locking block 503, which facilitates the maintenance and replacement of the locking block 503 and the locking screw rod 504;

[0049] In this embodiment, the surface of the locking block 503 contacting the rotating disc 3 can be rough, and the surface of the rotating disc 3 contacting the locking block 503 can also be rough, so that the friction between the locking block 503 and the rotating disc 3 can limit the rotation of the rotating disc 3 relative to the positioning groove 401, thereby realizing the locking of the rotating disc 3; when the rotating disc 3 needs to be unlocked, the locking block 503 can be separated from the rotating disc 3 by rotating the locking screw rod 504.

[0050] Embodiment 3

[0051] This embodiment optimizes the structure of the locking mechanism 5 based on the embodiment 2;

[0052] Please refer to Figure 3 or Figure 4 A plurality of fixed tooth bodies 601 are arranged on the outer wall of the rotating disc 3 in a circumferential direction, please refer to Figure 2The locking block 503 is provided with a plurality of locking teeth 602 on the side wall close to one side of the rotating disc 3, and the locking teeth 602 can be engaged with the fixed teeth 601.

[0053] In the embodiment, the fixed teeth 601 can cover the entire circumferential surface of the rotating disc 3, or can be distributed only in the rotating angle range of the rotating disc 3. The plurality of locking teeth 602 are arranged on the side wall of the locking block 503 in a spaced manner. When the locking block 503 is close to the rotating disc 3, the plurality of locking teeth 602 can be simultaneously engaged with the corresponding number of fixed teeth 601 on the rotating disc 3, so as to limit the rotation of the rotating disc 3. When it is necessary to unlock the rotating disc 3, the locking teeth 602 can be separated from the fixed teeth 601 by rotating the locking screw 504.

[0054] Embodiment 4

[0055] The embodiment further discloses a connection mode of the workbench 1 and the base 4 based on the embodiment 1.

[0056] Please refer to Figure 2 or Figure 3 The bottom surface of the base 4 is provided with a connecting hole 402, and the connecting hole 402 is communicated with the positioning groove 401. Please refer to Figure 3 or Figure 4 The bottom of the rotating disc 3 is rotatably provided with a connecting part 7, and the bottom surface of the connecting part 7 is provided with a connecting screw hole 701. Please refer to Figure 3 The base 4 is provided with a connecting screw 8, and the threaded end of the connecting screw 8 is screwed with the connecting screw hole 701 after passing through the connecting hole 402.

[0057] When assembling the sewing machine, the workbench 1 and the main body 2 of the sewing machine are placed in the positioning groove 401 in the vertical direction, and the connecting screw hole 701 is positioned opposite to the connecting hole 402. At this time, the threaded end of the connecting screw 8 is screwed with the connecting screw hole 701 after passing through the connecting hole 402, so as to fix the rotating disc 3 in the positioning groove 401 and limit the displacement of the rotating disc 3 in the vertical direction, thereby limiting the longitudinal displacement of the workbench 1. In this way, the connection stability between the workbench 1 and the base 4 can be improved, and the sewing operation can be ensured.

[0058] In addition, in the embodiment, due to the positioning effect of the connecting screw 8 and the connecting screw hole 701, the opening diameter of the positioning groove 401 can be greater than the diameter of the rotating disc 3. In this way, the rotating disc 3 can be easily placed into the positioning groove 401, and the assembly difficulty of the sewing machine is reduced.

[0059] Embodiment 5

[0060] The embodiment further optimizes the angle adjustment of the workbench 1 based on the embodiment 1.

[0061] Please refer to Figure 5, the base 4 is provided with an arc-shaped guide groove 9, the arc-shaped guide groove 9 is coaxially distributed with the rotating disc 3, please refer to Figure 6 , the bottom surface of the workbench 1 is provided with a guide block 10, the guide block 10 is an arc-shaped block, the guide block 10 is slidingly arranged in the arc-shaped guide groove 9;

[0062] In the process of rotating the workbench 1, the guide block 10 will slide in the arc-shaped guide groove 9, and the angle adjustment of the workbench 1 is guided, and meanwhile, the arc-shaped guide groove 9 and the guide block 10 can limit the angle adjustment limit of the workbench 1, when the guide block 10 contacts with the end of the arc-shaped guide groove 9, the workbench 1 rotates to the maximum angle;

[0063] In the embodiment, the angle adjustment range of the workbench 1 is-30°~+30°;

[0064] The drawings show that the arc-shaped guide groove 9 is arranged on both sides of the positioning groove 401, and the same number of guide blocks 10 are arranged on the bottom surface of the workbench 1, and in actual production, only one set of arc-shaped guide grooves 9 and one set of guide blocks 10 can be arranged;

[0065] In the embodiment, when assembling the sewing machine, the rotating disc 3 is placed into the positioning groove 401, and the guide block 10 is placed into the arc-shaped guide groove 9, and the installation and positioning between the workbench 1 and the positioning groove 401 are automatically completed, if the embodiment is improved on the basis of the embodiment 4, the difficulty of positioning the connecting screw hole 701 and the connecting hole 402 can be reduced.

[0066] The embodiments of the utility model are described above in combination with the drawings, the embodiments in the application and the features in the embodiments can be combined with each other in the case of no conflict, the application is not limited to the above-mentioned specific embodiments, the above-mentioned specific embodiments are only illustrative, but not limited, the ordinary skilled in the art can make many forms under the inspiration of the application without departing from the purpose of the application and the scope protected by the claims, and all belong to the protection of the application.

Claims

1. A sewing machine capable of adjusting a working angle, characterized by, The utility model relates to a sewing machine workbench locking mechanism, including: Workbench (1), the workbench (1) is provided with sewing machine body (2), the bottom surface of workbench (1) is provided with turntable (3), Base (4), the base (4) is provided with the positioning slot (401) of being adapted with turntable (3), and turntable (3) is rotatably connected with positioning slot (401), Locking mechanism (5), the locking mechanism (5) is set up on base (4), and locking mechanism (5) can lock and unlock turntable (3).

2. The adjustable angle sewing machine according to claim 1, wherein The locking mechanism (5) includes: Retire the slot (501), the slot (501) is set up on the side wall of positioning slot (401), Locking screw hole (502), locking screw hole (502) is set up on the side wall of base (4), and locking screw hole (502) is communicated with slot (501), Locking block (503), locking block (503) is slidably connected in slot (501) along the radial direction of turntable (3), and locking block (503) can be in contact with turntable (3), Locking screw rod (504), locking screw rod (504) is set up outside base (4), and the threaded end of locking screw rod (504) is threadedly connected with locking screw hole (502) and is rotatably connected with locking block (503).

3. The adjustable angle sewing machine of claim 2, wherein: The outer wall of turntable (3) is provided with a plurality of fixed teeth bodies (601) at intervals along the circumference, and a plurality of locking teeth bodies (602) are arranged on the side wall of the side of locking block (503) close to turntable (3), and locking teeth bodies (602) can be engaged with fixed teeth bodies (601).

4. The adjustable angle sewing machine of claim 1, wherein: The bottom surface of base (4) is provided with a connecting hole (402) communicated with positioning slot (401), and the bottom of turntable (3) is rotatably provided with a connecting part (7), the bottom surface of connecting part (7) is provided with a connecting screw hole (701), and a connecting screw rod (8) is arranged on base (4), and the threaded end of connecting screw rod (8) is threadedly connected with connecting screw hole (701) after penetrating connecting hole (402).

5. The adjustable angle sewing machine of claim 1, wherein: The base (4) is provided with an arc-shaped guide groove (9), the arc-shaped guide groove (9) is coaxially distributed with the turntable (3), and the bottom surface of the workbench (1) is provided with a guide block (10), the guide block (10) is slidably arranged in the arc-shaped guide groove (9).

6. The adjustable angle sewing machine of claim 5, wherein: The angle adjustment range of the workbench (1) is-30°~+30°.

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