CN220597828U - Sewing machine - Google Patents

Abstract

The application relates to a sewing machine, which comprises a bedplate, a machine head and supporting legs, wherein the machine head is arranged on the top surface of the bedplate, the supporting legs are arranged at the lower end of the bedplate, a chute is formed in the end surface of the bedplate in the horizontal direction, an extension plate is arranged in the chute in a sliding manner, and the sliding direction of the extension plate is the depth direction of the chute; the extension board comprises a main board which is connected with the chute in a sliding way and an auxiliary board which is arranged on the top surface of the main board, and the top surface of the main board is provided with a first spring for jacking up the auxiliary board; the supporting block is arranged on the top surface of the main board through the supporting shaft in a rotating mode, and when the end portion, far away from the supporting shaft, of the supporting block rotates upwards, the top end of the supporting block supports the auxiliary board so that the top surface of the auxiliary board is flush with the top surface of the bedplate. The present application has the effect of improving the problem of the platen lacking sufficient support area to increase the seam difficulty.

Description

Sewing machine

Technical Field

The present application relates to the field of sewing, and in particular to a sewing machine.

Background

A sewing machine is a machine that interweaves or sews one or more layers of stitching material by forming one or more stitches on the stitching material with one or more stitching threads. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastics, paper and the like, the sewn stitch is neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, and the artistic forms such as hand-push embroidery computer embroidery and the like are derived from the stitch. The general sewing machine consists of a machine head, a machine seat, a transmission part and an accessory part.

The utility model patent of patent publication No. CN208685198U discloses a domestic sewing machine support, including the sewing machine body, the bottom fixedly connected with platen of sewing machine body, the bottom surface fixedly connected with connecting plate of platen, a side fixedly connected with T shape slider of connecting plate, the bottom surface overlap joint of platen has the backup pad, the spout has been seted up to a side of backup pad, and T shape slider is located the inslot of spout and with spout sliding connection, the bottom fixedly connected with fixed plate of backup pad, the bottom surface fixedly connected with internal thread pipe of fixed plate. This domestic sewing machine support promotes electric putter through the pneumatic cylinder, makes electric putter jack-up platen, drives T shape slider and slides in the spout, makes connecting plate and backup pad slip to make the platen rise more stable, thereby reached the effect of adjusting sewing machine height in a flexible way, realized being applicable to the people of different heights and supporting the target that uses in the seat of different heights, it is more convenient to use.

When the household sewing machine support is used for sewing cloth with large area and long length, the bedplate lacks enough supporting area, and part of cloth falls outside the bedplate, so that the movement of the cloth is inconvenient, the difficulty in sewing is increased, the sewing efficiency is reduced, and the improvement is needed.

Disclosure of Invention

To solve the problem of increasing sewing difficulty due to insufficient supporting area of a platen, the application provides a sewing machine.

The application provides a sewing machine adopts following technical scheme:

the sewing machine comprises a platen, a machine head and supporting legs, wherein the machine head is arranged on the top surface of the platen, the supporting legs are arranged at the lower end of the platen, a chute is formed in the end surface of the platen in the horizontal direction, an extension plate is arranged in the chute in a sliding manner, and the sliding direction of the extension plate is the depth direction of the chute; the extension plate comprises a main plate and an auxiliary plate, the main plate is connected to the sliding groove in a sliding mode, the auxiliary plate is arranged on the top surface of the main plate, and a first spring for jacking up the auxiliary plate is arranged on the top surface of the main plate; the top surface of the main board is provided with a supporting block through the rotation of the supporting shaft, and when the end part of the supporting block, which is far away from the supporting shaft, rotates upwards, the top end of the supporting block supports the auxiliary board so that the top surface of the auxiliary board is flush with the top surface of the bedplate.

Through adopting above-mentioned technical scheme, when platen support length is insufficient, pull out the extension board and make the subplate slide outside the spout, the subplate is jacked by first spring, rotates the supporting shoe again to vertical direction, and the supporting shoe supports the subplate and makes subplate top surface and platen top surface parallel and level, makes personnel comparatively smooth and easy when removing the cloth, and the setting of extension board has increased area of support, has improved the platen lack sufficient area of support and has increased the problem of seam repair degree of difficulty.

Optionally, a sliding groove is formed in the inner wall of the sliding groove, and the main board is slidably connected in the sliding groove.

Through adopting above-mentioned technical scheme, set up the slip of sliding tray direction mainboard, improve the gliding stability of mainboard.

Optionally, two sliding grooves are provided, and the sliding grooves are formed in two inner side walls in the horizontal direction of the sliding groove.

Through adopting above-mentioned technical scheme, set up the slip of two sliding tray direction mainboards, make the slip of mainboard more stable.

Optionally, a mounting groove is formed in the bottom of each sliding groove, the mounting groove is arranged at a position close to the notch of the sliding groove, a locking block is slidably arranged in the mounting groove, the sliding direction of the locking block is the depth direction of the mounting groove, and a guide inclined plane is arranged on the side wall of the locking block facing the notch of the sliding groove; the guide inclined surface is inclined towards the direction approaching the bottom of the chute along the direction approaching the main board; the locking groove for the locking block to slide in is formed in one side, facing the mounting groove, of the main board, the locking groove is formed in the position, close to the bottom of the sliding groove, of the main board, and a second spring for driving the locking block to slide away from the mounting groove is arranged at the bottom of the mounting groove.

Through adopting above-mentioned technical scheme, set up the fixed mainboard of locking piece, when the spout of mainboard roll-off, the locking groove is gone into with the locking piece top to the second spring, the locking piece is in order to prevent the spout of mainboard roll-off with the cell wall butt in locking groove, when accomodating the mainboard, promote the mainboard, the spout is gone into in the mainboard roll-off, the cell wall in locking groove is contradicted with the guide slope, the mainboard is in the in-process of sliding to the spout, the locking piece is slipped from the cell wall in locking groove and is finally contradicted with the lateral wall of mainboard, the locking piece is gone into the mounting groove by the lateral wall top of mainboard, afterwards continue to move the mainboard in the spout in order to accomplish accomodating of mainboard.

Optionally, the mounting groove tank bottom is equipped with the guide post, the length direction of guide post is the same with the degree of depth direction of mounting groove, the gliding guide slot of confession guide post has been seted up towards the one end of mounting groove to the locking piece.

Through adopting above-mentioned technical scheme, the removal of guide post and guide way direction locking piece improves the stability that the locking piece removed.

Optionally, the subplate is including setting up in the first board that mainboard one side was kept away from to the first spring and rotating two second boards that set up on first board, the second board is rotated through the axis of rotation and is connected in first board length direction's both sides, works as the mainboard upset to the horizontal direction is kept away from to the second board, the top surface of second board and the top surface parallel and level of first board.

Through adopting above-mentioned technical scheme, set up the transverse area that the diaphragm increased the extension board, support the cloth when cloth width is great.

Optionally, the supporting block comprises a first rotating block rotatably connected to the main board and a second rotating block rotatably connected to the side wall of the first rotating block; when the second plate is contained above the first plate, the second rotating block rotates to be attached to the side face of the first rotating block, and the end part, far away from the supporting shaft, of the first rotating block supports the first plate and enables the top face of the second plate to be flush with the top face of the bedplate; when the second plate is unfolded, the second rotating block rotates to abut against the first rotating block and the end part, far away from the supporting shaft, of the second rotating block, and the second rotating block supports the first plate and enables the top surface of the first plate to be flush with the top surface of the bedplate.

By adopting the technical scheme, when the transverse plate is unfolded, the side wall of the first rotating block is flush with the side wall of the second rotating block, and then the first rotating block is rotated to enable the first rotating block and the second rotating block to be in a vertical state, so that the supporting block supports the auxiliary plate, the top surface of the transverse plate and the top surface of the bedplate are flush, and the cloth is convenient to move; when the transverse plate is attached to the auxiliary plate, the second rotating block is rotated to enable the side face of the second rotating block to be attached to the side face of the first rotating block, the length of the supporting block is reduced, and when the supporting block supports the auxiliary plate, the top face of the transverse plate is flush with the top face of the bedplate.

Optionally, a handle is disposed at one end of the main board away from the bedplate.

Through adopting above-mentioned technical scheme, set up the handle and supply personnel to stimulate the mainboard, make personnel be convenient for pull or push the mainboard.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the supporting length of the bedplate is insufficient, the extension plate is pulled out to enable the auxiliary plate to slide out of the sliding groove, the auxiliary plate is jacked up by the first spring, then the supporting block is rotated to the vertical direction, the supporting block supports the auxiliary plate and enables the top surface of the auxiliary plate to be level with the top surface of the bedplate, people can smoothly move cloth, the supporting area is increased due to the arrangement of the extension plate, and the problem that the sewing difficulty is increased due to the fact that the bedplate lacks enough supporting area is solved;

2. the transverse plate is arranged to increase the transverse area of the extension plate, so that the cloth is supported when the cloth width is large;

3. the guide post and the guide groove are arranged to guide the movement of the locking block, so that the stability of the movement of the locking block is improved.

Drawings

Fig. 1 is an overall schematic view of a sewing machine according to an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of a motherboard of an embodiment.

Fig. 3 is an enlarged schematic view of a in fig. 2.

Fig. 4 is a schematic view of an embodiment of a cross plate when deployed.

Fig. 5 is a schematic structural diagram of a motherboard of an embodiment.

Fig. 6 is a schematic structural view of a support block of the embodiment.

Reference numerals illustrate: 1. a platen; 2. a machine head; 3. supporting feet; 4. a chute; 5. an extension plate; 51. a main board; 52. a sub-plate; 6. a first spring; 7. a support block; 71. a first rotating block; 72. a second rotating block; 8. a sliding groove; 9. a mounting groove; 10. a locking block; 11. a guide slope; 12. a locking groove; 13. a second spring; 14. a guide post; 15. a guide groove; 16. a rotating shaft; 17. a first plate; 18. a second plate; 19. a receiving chamber; 20. a clearance groove; 21. a relief groove; 22. a handle; 23. a mounting base; 24. and a support shaft.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a sewing machine. Referring to fig. 1, the sewing machine includes a platen 1, a head 2 mounted on a top surface of the platen 1, and a support foot 3 fixed to a lower end surface of the platen 1.

Referring to fig. 1, a chute 4 is provided in a horizontal end surface of the platen 1, and a depth direction of the chute 4 is a longitudinal direction of the platen 1. The sliding grooves 8 are formed in two inner walls of the sliding groove 4 in the horizontal direction, and the extending direction of the sliding grooves 8 is the depth direction of the sliding groove 4. The bedplate 1 is provided with an extension plate 5, the extension plate 5 is arranged along the horizontal direction, and the extension plate 5 is connected in the sliding groove 8 in a sliding way. The end of the extension plate 5 remote from the handpiece 2 is fixed with a handle 22 which facilitates the pulling of the extension plate 5 by a person.

Referring to fig. 2 and 3, a mounting groove 9 is formed in the bottom of each sliding groove 8, the mounting groove 9 is disposed at a position close to the notch of the sliding groove 8, a locking block 10 is slidably connected to the inner wall of the mounting groove 9, the sliding direction of the locking block 10 is the depth direction of the mounting groove 9, and in this embodiment, the cross section of the locking block 10 is triangular. Both opposite sides of the locking block 10 are abutted against the groove walls of the mounting groove 9. The side wall of the locking block 10 facing the notch of the chute 4 is provided with a guiding inclined surface 11, and the guiding inclined surface 11 is inclined towards the direction approaching the bottom of the chute 4 along the direction approaching the main plate 51.

Referring to fig. 2 and 3, a second spring 13 for ejecting the locking block 10 out of the mounting groove 9 is provided in the mounting groove 9, one end of the second spring 13 is fixed to the bottom of the mounting groove 9, and the other end is fixed to the locking block 10. The guide post 14 is fixed at the bottom of the mounting groove 9, the length direction of the guide post 14 is the same as the depth direction of the mounting groove 9, a guide groove 15 for the guide post 14 to extend into is formed at one end of the locking block 10 facing the bottom of the mounting groove 9, and the guide groove 15 guides the locking block 10 to move.

Referring to fig. 2 and 4, the extension board 5 includes a main board 51 and an auxiliary board 52 disposed on the top surface of the main board 51, and locking grooves 12 are formed on both sides of the main board 51 in the sliding direction, and the locking grooves 12 are formed on one end of the main board 51 near the bottom of the chute 4. When the main plate 51 slides out of the slide groove 4 until the locking groove 12 communicates with the mounting groove 9, the second spring 13 pushes the locking block 10 into the locking groove 12, and the side wall of the locking block 10 abuts against the inner wall of the locking groove 12 to restrict the main plate 51 from moving out of the slide groove 4.

Referring to fig. 2 and 4, when the main board 51 needs to be stored, the main board 51 is pushed to slide the main board 51 towards the inside of the chute 4, the wall of the locking groove 12 abuts against the guiding inclined surface 11, so that the locking block slides away from the locking groove, one end of the locking block 10 towards the locking groove 12 subsequently abuts against the side wall of the main board 51, and the locking block 10 is pushed into the mounting groove 9 by the main board 51, so that the main board 51 can be pushed continuously until the main board 51 is stored in the chute 4.

Referring to fig. 4 and 5, the top surface of the main plate 51 is provided with a receiving chamber 19 for receiving the sub-plate 52, the bottom wall of the receiving chamber 19 is provided with two avoidance grooves 20, and the two avoidance grooves 20 are arranged along the length direction of the main plate 51. A second spring 13 is arranged in each avoidance slot 20, the lower end of the second spring 13 is fixed at the bottom of the avoidance slot 20, and the upper end is fixed with the bottom of the auxiliary plate 52.

Referring to fig. 4 and 5, the sub-plate 52 includes a first plate 17 and a second plate 18, the first plate 17 is positioned on the top surface of the main plate 51, the bottom surface of the first plate 17 is fixed to the top end of the first spring 6, the second plate 18 is rotatably connected to both ends of the first plate 17 in the length direction by a rotation shaft 16, and the rotation shaft 16 is positioned on both sides of the first plate 17 in the length direction. When the second plate 18 is turned away from the first plate 17 to the horizontal direction, the top surface of the first plate 17 is flush with the top surface of the second plate 18.

Referring to fig. 5 and 6, a yielding groove 21 is formed in the bottom of the accommodating cavity 19, a mounting seat 23 is fixed at the bottom of the yielding groove 21, a supporting block 7 is arranged in the yielding groove 21, the supporting block 7 is rotatably connected to the mounting seat 23 through a supporting shaft 24 so as to be rotatably connected to the top surface of the main board 51, and the rotation axis 16 of the supporting block 7 is arranged along the horizontal direction.

Referring to fig. 5 and 6, the support block 7 includes a first rotation block 71 rotatably coupled to the mounting seat 23 through the support shaft 24 and a second rotation block 72 rotatably coupled to a side wall of an end portion of the first rotation block 71 remote from the support shaft 24, the rotation axis of the second rotation block 72 being parallel to the rotation axis of the first rotation block 71.

The implementation principle of the sewing machine in the embodiment of the application is as follows: when the length of the bedplate 1 needs to be prolonged, the handle 22 is pulled to enable the main plate 51 to move outwards of the chute 4 until the main plate 51 is fixed by the locking block 10, then the auxiliary plate 52 is jacked by the first spring 6, if the cloth is wider, the second plate 18 is unfolded, the supporting block 7 is turned to a vertical state, the first rotating block 71 and the second rotating block 72 are arranged along the vertical direction, and the supporting block 7 supports the auxiliary plate 52 to enable the top surface of the first plate 17, the top surface of the second plate 18 and the top surface of the bedplate 1 to be flush; if the second plate 18 is not needed, the side surface of the second plate 18 is attached to the first plate 17 to accommodate the second plate 18, the side wall of the second rotating block 72 is attached to the side wall of the second rotating block 72, the supporting block 7 is turned over to a vertical state to support the auxiliary plate 52, the first rotating block 71 supports the auxiliary plate 52 to enable the top surface of the second plate 18 to be flush with the top surface of the bedplate 1, after sewing is completed, the extension plate 5 is accommodated in the bedplate 1, space is saved, and the sewing machine solves the problem that the bedplate 1 lacks enough supporting area to increase sewing difficulty.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a sewing machine, includes platen (1), aircraft nose (2) and supporting legs (3), aircraft nose (2) set up in platen (1) top surface, supporting legs (3) set up in platen (1) lower extreme, its characterized in that: a sliding groove (4) is formed in the end face of the bedplate (1) in the horizontal direction, an extension plate (5) is arranged in the sliding groove (4) in a sliding mode, and the sliding direction of the extension plate (5) is the depth direction of the sliding groove (4); the extension plate (5) comprises a main plate (51) which is connected with the sliding groove (4) in a sliding way and an auxiliary plate (52) which is arranged on the top surface of the main plate (51), and a first spring (6) which jacks up the auxiliary plate (52) is arranged on the top surface of the main plate (51); the top surface of the main plate (51) is provided with a supporting block (7) through the rotation of the supporting shaft (24), and when the end part of the supporting block (7) far away from the supporting shaft (24) rotates upwards, the top end of the supporting block (7) supports the auxiliary plate (52) so that the top surface of the auxiliary plate (52) is flush with the top surface of the bedplate (1).

2. A sewing machine as defined in claim 1, wherein: the inner wall of the chute (4) is provided with a sliding groove (8), and the main board (51) is connected in the sliding groove (8) in a sliding way.

3. A sewing machine as defined in claim 2, wherein: the sliding grooves (8) are formed in two, and the sliding grooves (8) are formed in two inner side walls of the sliding groove (4) in the horizontal direction.

4. A sewing machine as defined in claim 3, wherein: the bottom of each sliding groove (8) is provided with a mounting groove (9), the mounting grooves (9) are arranged at positions close to the notches of the sliding grooves (8), the mounting grooves (9) are slidably provided with locking blocks (10), the sliding direction of the locking blocks (10) is the depth direction of the mounting grooves (9), and the side walls of the locking blocks (10) facing the notches of the sliding grooves (8) are provided with guide inclined planes (11); the guide inclined surface (11) is inclined towards the direction approaching the bottom of the chute (4) along the direction approaching the main plate (51); the locking groove (12) for the locking block (10) to slide in is formed in one side of the main board (51) towards the mounting groove (9), the locking groove (12) is formed in the position, close to the bottom of the sliding groove (4), of the main board (51), and a second spring (13) for driving the locking block (10) to slide away from the mounting groove (9) is arranged at the bottom of the mounting groove (9).

5. A sewing machine as defined in claim 4, wherein: the bottom of the mounting groove (9) is provided with a guide post (14), the length direction of the guide post (14) is the same as the depth direction of the mounting groove (9), and one end of the locking block (10) facing the mounting groove (9) is provided with a guide groove (15) for the guide post (14) to slide.

6. A sewing machine as defined in claim 1, wherein: the auxiliary plate (52) comprises a first plate (17) arranged on one side, far away from the main plate (51), of the first spring (6) and two second plates (18) arranged on the first plate (17) in a rotating mode, the second plates (18) are connected to two sides of the length direction of the first plates (17) in a rotating mode through rotating shafts (16), and when the second plates (18) are far away from the main plate (51) and are turned to the horizontal direction, the top surfaces of the second plates (18) are flush with the top surfaces of the first plates (17).

7. A sewing machine as defined in claim 6, wherein: the support block (7) comprises a first rotating block (71) rotatably connected to the main board (51) and a second rotating block (72) rotatably connected to the side wall of the first rotating block (71); when the second plate (18) is accommodated above the first plate (17), the second rotating block (72) rotates to be attached to the side face of the first rotating block (71), and the end part, far away from the supporting shaft (24), of the first rotating block (71) supports the first plate (17) and enables the top face of the second plate (18) to be flush with the top face of the bedplate (1); when the second plate (18) is unfolded, the second rotating block (72) rotates to abut against the first rotating block (71) and the end part of the second rotating block (72) away from the supporting shaft, and the second rotating block (72) supports the first plate (17) and enables the top surface of the first plate (17) to be flush with the top surface of the bedplate (1).

8. A sewing machine as defined in claim 1, wherein: one end of the main board (51) far away from the bedplate (1) is provided with a handle (22).