CN217536356U - Safety protection mechanism of sewing machine - Google Patents

Abstract

The utility model discloses a sewing machine's safety protection mechanism, including sewing machine body and protection casing, the sewing machine body is equipped with the aircraft nose, the aircraft nose is equipped with the needle bar that stretches out downwards, the bottom of needle bar is equipped with the eedle, the side of protection casing is equipped with the first opening that supplies the needle bar to get into, the bottom surface of protection casing is equipped with the second opening that supplies the eedle to pass, the upper end of protection casing is equipped with a plurality of pothooks, the upper end of pothook is equipped with the fixture block that stretches out to the protruding side, the bottom surface of aircraft nose is equipped with the breach of stepping down that supplies the pothook to upwards stretch into, one side of the breach of stepping down is equipped with the supporting part that is used for the bearing fixture block, during the equipment, the pothook card through of protection casing in the breach of stepping down that corresponds with aircraft nose detachable connections, the protection casing is enclosed in the outside of needle bar. The utility model discloses a set up removable protection casing to can install the protection casing at the during operation, prevent to cause the accidental injury to the user, and the maintenance or the threading of being convenient for of removable lower when out of work.

Description

Safety protection mechanism of sewing machine

Technical Field

The utility model relates to a sewing machine technical field, concretely relates to sewing machine's safety protection mechanism.

Background

Sewing machines are widely used in the garment industry, and are machines for forming one or more stitches in a material to be sewn, by means of one or more sewing threads, so as to interlace or sew up one or more layers of material to be sewn. The sewing process of the sewing machine is actually a feeding and sewing process by the cooperation of the cloth feeding toothed plate, the presser foot and the machine needle. When the sewing machine starts to sew, cloth is placed under a presser foot to be sewn, the presser foot descends to contact and press the cloth, a cloth feeding toothed plate is lifted to the bottom surface of the cloth, the presser foot and the cloth feeding toothed plate synchronously move relatively to engage the cloth, meanwhile, a machine needle synchronously reaches the surface of the cloth along with the presser foot, and the machine needle penetrates the cloth with an upper thread and performs lower thread looping action; then, the presser foot and the cloth feeding toothed plate simultaneously carry out backward feeding action, the machine needle retreats rhythmically along with the cloth and is accompanied by a rhythmic needle inserting, and the machine needle and a hook needle of the rotating shuttle jointly complete sewing of the upper thread and the bottom thread to realize sewing. The needle of the existing sewing machine is usually exposed, when an unskilled operator pushes cloth, fingers are punctured by the needle sometimes, and when the sewing machine is used at home, children are easy to operate by mistake to cause accidental injury.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the disappearance that prior art exists, provide a sewing machine's safety protection mechanism, it can improve the security that sewing machine used, and the condition of avoiding accidental injury takes place.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sewing machine's safety protection mechanism, includes sewing machine body and protection casing, the sewing machine body is equipped with the aircraft nose, the aircraft nose is equipped with the needle bar that downwardly stretches out, the bottom of needle bar is equipped with the eedle, the side of protection casing is equipped with the first opening that supplies the needle bar to get into, the bottom surface of protection casing is equipped with the second opening that supplies the eedle to pass, the upper end of protection casing is equipped with a plurality of pothooks, the upper end of pothook is equipped with the protruding fixture block that stretches out to the outside, the bottom surface of aircraft nose is equipped with the breach of stepping down that supplies the pothook to upwardly stretch into, one side of the breach of stepping down is equipped with the supporting part that is used for bearing the fixture block, and during the equipment, the passing through pothook card is connected with the aircraft nose is removable in the breach of stepping down that corresponds, and the protection casing is enclosed in the outside of needle bar. Through setting up removable protection casing to can adorn the protection casing at the during operation, prevent to cause the accidental injury to the user, and the removable maintenance or the threading of being convenient for when out of work.

As a preferred technical scheme, be located the top of the breach of stepping down in the aircraft nose and be equipped with the inductor, this internal controller that is equipped with of sewing machine, the inductor is connected with the controller, the lower extreme of inductor is equipped with elastic contact, and during the equipment, the upper end and the elastic contact conflict of protection casing make the inductor produce control signal. Through set up inductor and controller in sewing machine body to whether detect the protection casing through the inductor and pack into, can produce control letter after the protection casing of packing into and start sewing machine, thereby further improve the security that sewing machine used.

As a preferred technical scheme, the protection casing has integrated into one piece first curb plate, second curb plate and the third curb plate of connecting, first curb plate and second curb plate relative interval set up, third curb plate an organic whole is connected in the front side of first curb plate and second curb plate, the rear side between first curb plate and the second curb plate forms first opening, the downside between first curb plate and the second curb plate forms the second opening.

As a preferred technical scheme, the hooks include a first hook, a second hook and a third hook, the first hook is arranged at the upper end of the first side plate, the second hook is arranged at the upper end of the second side plate, and the third hook is arranged at the upper end of the third side plate. Through setting up three pothook respectively on the three curb plate of protection casing, and the fixture block on the pothook is for stretching to the evagination to the accessible extrudees the mode of first curb plate and second curb plate and makes the mode of first pothook and second pothook inward movement install or dismantle the protection casing fast, improves the convenience of using.

As a preferred technical scheme, the protective cover is arranged in a mode that the upper part is wide and the lower part is narrow.

As a preferred technical scheme, a needle plate is arranged under the machine head, and a gap for materials to pass through is reserved between the lower end of the protective cover and the needle plate.

As a preferable technical solution, the sewing machine body is provided with a front side shell and a rear side shell, and the abdicating notch and the supporting part are arranged on the front side shell and the rear side shell.

As a preferred technical scheme, a guide inclined plane which inclines outwards from top to bottom is arranged on the clamping block.

Compared with the prior art, the utility model has the advantages and beneficial effects that specifically, the protective cover can be installed during working by arranging the detachable protective cover, thereby preventing accidental injury to users, and the protective cover can be detached to facilitate maintenance or threading when not in work; the sensor and the controller are arranged in the sewing machine body, so that whether the protective cover is installed or not is detected through the sensor, and a control signal can be generated to start the sewing machine after the protective cover is installed, so that the use safety of the sewing machine is further improved; through setting up three pothook respectively on the three curb plate of protection casing, and the fixture block on the pothook is for stretching to the evagination to the accessible extrudees the mode of first curb plate and second curb plate and makes the mode of first pothook and second pothook inward movement install or dismantle the protection casing fast, improves the convenience of using.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is an assembly structure view of a sewing machine body according to an embodiment of the present invention;

FIG. 2 is an assembly view of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a protective cover according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a rear housing according to an embodiment of the present invention;

FIG. 5 is an enlarged schematic view at A in FIG. 4;

fig. 6 is a schematic structural view of a front housing according to an embodiment of the present invention;

fig. 7 is an enlarged schematic view at B in fig. 6.

The attached drawings indicate the following:

10. sewing machine body 11, machine head 12 and needle bar

13. Needle 14, needle plate 15, front side housing

16. Rear housing 17, inductor 171, elastic contact piece

18. Abdication gap 19, support part 20 and protective cover

21. First side plate 22, second side plate 23, third side plate

24. A first opening 25, a second opening 26, a first hook

27. A second hook 28 and a third hook.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1-7, a safety protection mechanism of sewing machine, includes sewing machine body 10 and protection casing 20, sewing machine body 10 is equipped with aircraft nose 11, aircraft nose 11 is equipped with downwardly extending's needle bar 12, the bottom of needle bar 12 is equipped with eedle 13, the side of protection casing 20 is equipped with the first opening 24 that supplies needle bar 12 to get into, the bottom surface of protection casing 20 is equipped with the second opening 25 that supplies eedle 13 to pass, the upper end of protection casing 20 is equipped with a plurality of pothooks, the upper end of pothook is equipped with the fixture block of protruding stretching to the outside, be equipped with the direction inclined plane that leans out from top to bottom on the fixture block. The bottom surface of aircraft nose 11 is equipped with the breach of stepping down 18 that supplies the pothook to upwards stretch into, one side of the breach of stepping down 18 is equipped with the supporting part 19 that is used for bearing the fixture block, and during the equipment, the passing through pothook card of protection casing 20 in the breach of stepping down 18 that corresponds with aircraft nose 11 detachable connections, protection casing 20 enclosure is in the outside of needle bar 12, be equipped with faller 14 under the aircraft nose 11, it has the clearance that supplies the material to pass through to keep between the lower extreme of protection casing 20 and the faller 14. Through setting up removable protection casing 20 to can install protection casing 20 at the during operation, prevent to cause the accidental injury to the user, and when out of work can dismantle and be convenient for maintain or the threading.

The utility model discloses in, the top that is located the breach 18 of stepping down in the aircraft nose 11 is equipped with inductor 17, be equipped with the controller in the sewing machine body 10, inductor 17 is connected with the controller, inductor 17's lower extreme is equipped with elastic contact piece 171, and during the equipment, the upper end of protection casing 20 contradicts with elastic contact piece 171 and makes inductor 17 produce control signal. The sensor 17 and the controller are arranged in the sewing machine body 10, so that whether the protective cover 20 is installed or not is detected through the sensor 17, and a control signal can be generated to start the sewing machine after the protective cover 20 is installed, so that the use safety of the sewing machine is further improved.

Specifically, the protective cover 20 has a first side plate 21, a second side plate 22 and a third side plate 23 which are integrally connected, the first side plate 21 and the second side plate 22 are arranged at a relative interval, the third side plate 23 is integrally connected to the front sides of the first side plate 21 and the second side plate 22, a first opening 24 is formed on the rear side between the first side plate 21 and the second side plate 22, and a second opening 25 is formed on the lower side between the first side plate 21 and the second side plate 22. The hooks include a first hook 26, a second hook 27 and a third hook 28, the first hook 26 is arranged at the upper end of the first side plate 21, the second hook 27 is arranged at the upper end of the second side plate 22, and the third hook 28 is arranged at the upper end of the third side plate 23. Through setting up three pothook respectively on the three curb plate of protection casing 20, and the fixture block on the pothook is for stretching outwards to accessible extrusion first curb plate 21 and second curb plate 22's mode makes first pothook 26 and the inside activity of second pothook 27 mode install or dismantle protection casing 20 fast, improves the convenience of using.

The utility model discloses in, protection casing 20 is wide setting down. The sewing machine body 10 is provided with a front shell 15 and a rear shell 16, and the relief notch 18 and the supporting part 19 are arranged on the front shell 15 and the rear shell 16.

In summary, the utility model can be mounted with a detachable protective cover during working to prevent accidental injury to users, and can be detached for maintenance or threading when not working; the sensor and the controller are arranged in the sewing machine body, so that whether the protective cover is installed or not is detected through the sensor, and a control signal can be generated to start the sewing machine after the protective cover is installed, so that the use safety of the sewing machine is further improved; through setting up three pothook respectively on the three curb plate of protection casing, and the fixture block on the pothook is for stretching to the evagination to the accessible extrudees the mode of first curb plate and second curb plate and makes the mode of first pothook and second pothook inward movement install or dismantle the protection casing fast, improves the convenience of using.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.

Claims (8)

1. The utility model provides a sewing machine's safety protection mechanism, its characterized in that, includes sewing machine body and protection casing, the sewing machine body is equipped with the aircraft nose, the aircraft nose is equipped with the needle bar that stretches out downwards, the bottom of needle bar is equipped with the eedle, the side of protection casing is equipped with the first opening that supplies the needle bar to get into, the bottom surface of protection casing is equipped with the second opening that supplies the eedle to pass through, the upper end of protection casing is equipped with a plurality of pothooks, the upper end of pothook is equipped with the protruding fixture block that stretches out to the outside, the bottom surface of aircraft nose is equipped with the breach of stepping down that supplies the pothook to upwards stretch into, one side of the breach of stepping down is equipped with the supporting part that is used for bearing the fixture block, during the equipment, the passing through pothook card of protection casing in the breach of stepping down that corresponds with aircraft nose detachable connections, the protection casing is enclosed in the outside of needle bar.

2. The safety protection mechanism of sewing machine according to claim 1, wherein a sensor is disposed in the head above the abdicating notch, a controller is disposed in the sewing machine body, the sensor is connected to the controller, an elastic contact is disposed at a lower end of the sensor, and when the safety protection mechanism is assembled, an upper end of the protection cover abuts against the elastic contact to enable the sensor to generate a control signal.

3. The safety mechanism of a sewing machine according to claim 1, wherein the protective cover has a first side plate, a second side plate and a third side plate which are integrally connected, the first side plate and the second side plate are arranged at a relative distance, the third side plate is integrally connected to the front sides of the first side plate and the second side plate, the rear side between the first side plate and the second side plate forms a first opening, and the lower side between the first side plate and the second side plate forms a second opening.

4. The safety mechanism of claim 3, wherein the hooks comprise a first hook, a second hook and a third hook, the first hook is disposed at the upper end of the first side plate, the second hook is disposed at the upper end of the second side plate, and the third hook is disposed at the upper end of the third side plate.

5. The safety mechanism of a sewing machine of claim 3, wherein the protective cover is arranged to be wide at the top and narrow at the bottom.

6. The safety protection mechanism of a sewing machine according to claim 1, wherein a needle plate is provided directly below the head, and a gap for passing the material is provided between the lower end of the shield and the needle plate.

7. The safety mechanism of sewing machine of claim 1, wherein the sewing machine body is provided with a front housing and a rear housing, and the relief notch and the support portion are provided on the front housing and the rear housing.

8. The safety mechanism of a sewing machine as claimed in claim 1, wherein the fixture block is provided with a guiding inclined surface inclined from top to bottom.

Images