Safety protection mechanism of sewing machine

Abstract

The utility model relates to the field of sewing machine protection, and discloses a safety protection mechanism of a sewing machine, which comprises a workbench, the upper end of the workbench is fixedly connected with a sewing machine body, the lower end of the sewing machine body is fixedly connected with a needle head, the upper surface of the workbench is fixedly connected with a fixing sleeve, and the inner wall of the fixing sleeve is slidably connected with a supporting rod; a mounting plate is fixedly connected to one side of the supporting rod, two transparent baffles are fixedly connected to the inner wall of the mounting plate, a mounting groove is formed in the inner wall of the fixing sleeve, and a rotating rod is rotationally connected to the inner wall of the mounting groove; according to the sewing machine, through cooperation of the supporting rod, the rotating rod, the gear and the clamping tooth rod, the mounting plate can drive the two transparent baffles to move to the needle head at the lower end of the sewing machine body, the position of the needle head is conveniently shielded, and the situation that when the sewing machine works, a worker accidentally moves the hand to the position near the needle head, and the needle head punctures the hand of the worker is prevented.

Description

Technical Field

[0001] The present application relates to the field of sewing machine protection, and in particular to a safety protection mechanism for a sewing machine. Background Art

[0002] In order to facilitate the processing and production of fabrics such as clothes, a sewing machine can be used. A sewing machine is a machine used to sew clothes or other fabrics. It completes the sewing process by passing the thread through two or more layers of fabric and then fixing the thread together with a needle. It can achieve a variety of sewing effects and improve production efficiency and quality.

[0003] However, when the existing sewing machine is working, it is not convenient to protect the position of the sewing machine needle. The staff can easily move their hands near the sewing machine needle, making the needle easy to prick the staff's hands, and the safety protection is low.

[0004] The above information disclosed in this background technology is only used to increase the understanding of the background technology of this application. Therefore, it may contain information that does not constitute the prior art known to ordinary technicians in this field. Utility Model Content

[0005] In order to solve the problem that it is inconvenient to protect the needle position of the existing sewing machine, the present application provides a safety protection mechanism for the sewing machine.

[0006] The safety protection mechanism of a sewing machine provided in this application adopts the following technical solution:

[0007] A safety protection mechanism for a sewing machine comprises a workbench, the upper end of the workbench is fixedly connected to the sewing machine body, the lower end of the sewing machine body is fixedly connected to the needle, the upper surface of the workbench is fixedly connected to a fixing sleeve, the inner wall of the fixing sleeve is slidably connected to a support rod, one side of the support rod is fixedly connected to a mounting plate, the inner wall of the mounting plate is fixedly connected to two transparent baffles, the inner wall of the fixing sleeve is provided with a mounting groove, the inner wall of the mounting groove is rotatably connected to a rotating rod, the rod body of the rotating rod is fixedly connected to two gears, the inner wall of the mounting groove is slidably connected to two tooth rods, the outer wall of the mounting plate is fixedly connected to the two tooth rods, the two gears are meshed with the tooth rods, and a positioning assembly is provided at the upper end of the fixing sleeve.

[0008] Preferably, the locking assembly includes a top frame, a pull rod, a pressure plate, a protrusion, a locking rod and a second spring. The upper end of the fixed sleeve is fixedly connected to the top frame, the outer walls of the top frame are slidably connected to the two pull rods, the lower end of the pull rod is fixedly connected to the pressure plate, the lower end of the pressure plate is fixedly connected to the protrusion, the outer walls of the protrusion are fixedly connected to multiple locking rods, and the upper and lower ends of the second spring are fixedly connected to the top frame and the pressure plate.

[0009] Preferably, the upper end of the mounting plate is fixedly connected to two slide plates, and the lower end of the sewing machine body is fixedly connected to two limit plates, and the plate bodies of the limit plates are slidably connected to the slide plates.

[0010] Preferably, a spring 1 is fixedly connected to the outer wall of the fixing sleeve, and the other end of the spring 1 is fixedly connected to the outer wall of the mounting plate.

[0011] Preferably, a rotating handle is fixedly connected to one side of the rotating rod, a clamping sleeve is fixedly connected to the inner wall of the mounting groove, and the inner wall of the clamping sleeve is slidably connected to the two tooth rods.

[0012] In summary, this application has the following beneficial technical effects:

[0013] 1. Through the cooperation of the support rod, rotating rod, gear and gear rod, the mounting plate can drive the two transparent baffles to move to the needle at the lower end of the sewing machine body, so as to conveniently block the position of the needle and prevent the staff from accidentally moving their hands near the needle when the sewing machine is working, so that the needle may injure the staff's hands. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0015] Figure 2 is a structural diagram of a sewing machine body according to an embodiment of the application;

[0016] Figure 3 is a schematic structural diagram of a mounting plate according to an embodiment of the application;

[0017] Figure 4 is a schematic structural diagram of a rotating rod according to an embodiment of the application;

[0018] Figure 5 It is a structural diagram of the locking assembly of the embodiment of the application.

[0019] Explanation of the accompanying reference numerals: 1. workbench; 2. sewing machine body; 3. needle; 4. fixing sleeve; 5. support rod; 6. mounting plate; 7. transparent baffle; 8. spring 1; 9. turning rod; 10. gear; 11. locking gear rod; 12. locking sleeve; 13. turning handle; 14. top frame; 15. pull rod; 16. pressure plate; 17. bump; 18. locking rod; 19. spring 2; 20. slide plate; 21. limit plate. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-5 This application is described in further detail.

[0021] The present application discloses a safety protection mechanism for a sewing machine, referring to Figure 1, it includes a workbench 1, the upper end of the workbench 1 is fixedly connected to the sewing machine body 2, the lower end of the sewing machine body 2 is fixedly connected to the needle 3, the upper surface of the workbench 1 is fixedly connected to a fixing sleeve 4, the inner wall of the fixing sleeve 4 is slidably connected to a support rod 5, one side of the support rod 5 is fixedly connected to a mounting plate 6, the inner wall of the mounting plate 6 is fixedly connected to two transparent baffles 7, which can protect the position of the needle 3, the inner wall of the fixing sleeve 4 is provided with a mounting groove, the inner wall of the mounting groove is rotatably connected to a rotating rod 9, the rod body of the rotating rod 9 is fixedly connected to two gears 10, the inner wall of the mounting groove is slidably connected to two tooth rods 11, the rotation of the gear 10 can drive the tooth rod 11 to move, which is convenient for driving the mounting plate 6 to move, the outer wall of the mounting plate 6 is fixedly connected to the two tooth rods 11, and the two gears 10 are meshed with the tooth rod 11. A positioning assembly is provided at the upper end of the fixing sleeve 4, which can lock the gear 10 and fix the position of the tooth rod 11.

[0022] Specifically, refer to Figure 5 The locking assembly includes a top frame 14, a pull rod 15, a pressure plate 16, a protrusion 17, a locking rod 18 and a spring 2 19. The upper end of the fixed sleeve 4 is fixedly connected to the top frame 14, and the outer walls of the top frame 14 are slidably connected to the two pull rods 15. The lower end of the pull rod 15 is fixedly connected to the pressure plate 16, and the lower end of the pressure plate 16 is fixedly connected to the protrusion 17. The outer walls of the protrusions 17 are fixedly connected to multiple locking rods 18. The upper and lower ends of the spring 2 19 are fixedly connected to the top frame 14 and the pressure plate 16. The elastic force of the spring 2 19 can push the pressure plate 16, so that the pressure plate 16 can drive the protrusion 17 to fit the locking rod 18 to the surface of the two gears 10, thereby locking the gear 10 so that the gear rod 11 can no longer move.

[0023] Reference Figure 3 The upper end of the mounting plate 6 is fixedly connected to two slides 20, and the lower end of the sewing machine body 2 is fixedly connected to two limit plates 21. When the mounting plate 6 moves, the slide 20 can be driven to move to the body of the limit plate 21, which is convenient for supporting the mounting plate 6 and the transparent baffle 7. The body of the limit plate 21 is slidably connected to the slide 20.

[0024] Reference Figure 3 The outer wall of the fixed sleeve 4 is fixedly connected with a spring 8, which facilitates the use of elastic force to push the mounting plate 6 and the transparent baffle 7 near the needle 3, and the other end of the spring 8 is fixedly connected to the outer wall of the mounting plate 6.

[0025] Reference Figure 4 A handle 13 is fixedly connected to one side of the rotating rod 9, which can drive the rotating rod 9 to rotate. A clamping sleeve 12 is fixedly connected to the inner wall of the mounting groove, which can limit the two tooth rods 11. The inner walls of the clamping sleeve 12 are slidably connected to the two tooth rods 11.

[0026] The implementation principle of the safety protection mechanism of a sewing machine in an embodiment of the present application is as follows: when in use, by pulling the pull rod 15, the pressure plate 16 and the protrusion 17 can be moved upward, which is convenient for moving the locking rod 18 out of the surface of the two gears 10, and then the rotating rod 9 is rotated by turning the handle 13, thereby driving the two gears 10 on the rod body of the rotating rod 9 to rotate, so that the gear 10 can drive the locking rod 11 to move, and when the locking rod 11 moves, it can drive the mounting plate 6 to move, and the mounting plate 6 moves to move the two transparent baffles 7 to both sides of the needle 3 at the lower end of the sewing machine body 2, which is convenient for protecting the position of the needle 3. At the same time, with the cooperation of the support rod 5, the slide plate 20 and the limit plate 21, it is convenient to improve the stability of the mounting plate 6 and the transparent baffle 7 during movement.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0028] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0029] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0030] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A safety protection mechanism for a sewing machine, comprising a workbench (1), characterized in that: The upper end of the workbench (1) is fixedly connected to the sewing machine body (2), and the lower end of the sewing machine body (2) is fixedly connected to the needle (3). The upper surface of the workbench (1) is fixedly connected to a fixing sleeve (4), and the inner wall of the fixing sleeve (4) is slidably connected to a support rod (5). One side of the support rod (5) is fixedly connected to a mounting plate (6). The inner wall of the mounting plate (6) is fixedly connected to two transparent baffles (7). The inner wall of the fixing sleeve (4) is provided with a mounting groove, and the inner wall of the mounting groove is rotatably connected to a rotating rod (9). The rod body of the rotating rod (9) is fixedly connected to two gears (10). The inner wall of the mounting groove is slidably connected to two toothed rods (11). The outer wall of the mounting plate (6) is fixedly connected to the two toothed rods (11). The two gears (10) are meshed with the toothed rods (11). The upper end of the fixing sleeve (4) is provided with a positioning assembly.

2. A safety protection mechanism for a sewing machine according to claim 1, characterized in that: The locking assembly includes a top frame (14), a pull rod (15), a pressure plate (16), a protrusion (17), a locking rod (18) and a second spring (19). The upper end of the fixed sleeve (4) is fixedly connected to the top frame (14), the outer wall of the top frame (14) is slidably connected to the two pull rods (15), the lower end of the pull rod (15) is fixedly connected to the pressure plate (16), the lower end of the pressure plate (16) is fixedly connected to the protrusion (17), the outer wall of the protrusion (17) is fixedly connected to multiple locking rods (18), and the upper and lower ends of the second spring (19) are fixedly connected to the top frame (14) and the pressure plate (16).

3. The safety protection mechanism of a sewing machine according to claim 1, characterized in that: The upper end of the mounting plate (6) is fixedly connected to two slide plates (20), and the lower end of the sewing machine body (2) is fixedly connected to two limit plates (21), and the plate body of the limit plate (21) is slidably connected to the slide plates (20).

4. The safety protection mechanism of a sewing machine according to claim 1, characterized in that: The outer wall of the fixing sleeve (4) is fixedly connected to a spring 1 (8), and the other end of the spring 1 (8) is fixedly connected to the outer wall of the mounting plate (6).

5. The safety protection mechanism of a sewing machine according to claim 1, characterized in that: A rotating handle (13) is fixedly connected to one side of the rotating rod (9), and a clamping sleeve (12) is fixedly connected to the inner wall of the mounting groove. The inner wall of the clamping sleeve (12) is slidably connected to the two toothed rods (11).

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