Head supporting device for sewing machine

Abstract

The utility model relates to the field of sewing machines, and discloses a head supporting device for a sewing machine, which comprises a sewing machine table board, a supporting device for supporting the head of an operator is fixedly arranged on the sewing machine table board, and the supporting device comprises a base arranged on the sewing machine table board. A supporting seat is arranged at the end, away from the sewing machine, of the base, and a containing seat is arranged at the end, away from the base, of the supporting seat. The utility model has the following advantage and effect: by arranging the head supporting device, the effect of relieving the cervical vertebra pressure of a worker can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machines, in particular to a head supporting device for sewing machines. Background Art

[0002] When using a sewing machine, the operator needs to maintain stable operation of the sewing machine for a long time, especially when sewing heavy or large fabrics, which requires greater strength to stabilize the sewing machine. However, long-term operation may cause cervical fatigue of the operator and may even cause health problems such as cervical spondylosis.

[0003] A Chinese utility model patent with authorization publication number CN206245039U discloses a sewing machine that can relieve workers' fatigue, including a sewing machine body, a chest support and a seat. A sewing machine head is fixedly installed on the top of the sewing machine body, a chest support is fixedly installed at the middle position below the sewing machine body, a seat is fixedly installed on the right side of the sewing machine body, and a lumbar support pad is nested on the inner surface of the seat backrest.

[0004] The above sewing machine can support the chest and waist of the worker by providing a chest support and a waist support pad, protect the worker's sitting posture and reduce fatigue. However, it does not support the head, which may easily cause cervical fatigue of the worker. Utility Model Content

[0005] The utility model aims to provide a head supporting device for a sewing machine, which has the effect of relieving the pressure on the cervical vertebra of workers.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: a head support device for a sewing machine, comprising a sewing machine table, on which a support device for supporting the operator's head is fixedly installed.

[0007] By adopting the above technical solution and arranging a supporting device on the sewing machine table, the operator's head can be supported, the pressure on the operator's cervical spine can be relieved, and fatigue can be reduced.

[0008] The utility model is further configured as follows: the supporting device comprises a base arranged on the sewing machine table, the base is provided with a supporting seat at one end away from the sewing machine, and the supporting seat is provided with a placing seat at one end away from the base.

[0009] By adopting the above technical solution, the operator places his head on the placement seat, and the placement seat can be used to place the operator's head.

[0010] The utility model is further configured as follows: a mounting seat is fixedly installed on the sewing machine table top, a strip ratchet is provided on the upper end surface of the mounting seat, a strip groove is provided on the lower end surface of the base for the mounting seat to slide, a through groove is provided on the base, the through groove is communicated with the strip groove, a pawl is rotatably connected in the through groove, a shift block is fixedly installed on the upper end of the pawl, a spring is fixedly installed on the shift block, one end of the spring away from the shift block is fixedly connected to the base, and the elastic force of the spring causes the pawl to contact and connect with the strip ratchet.

[0011] By adopting the above technical solution, the mounting base is fixed on the sewing machine table by bolts. When the base needs to be adjusted away from one end of the sewing machine, the base is slid away from the end of the sewing machine, and the elastic force of spring one causes ratchet one to mesh with bar tooth one, thereby locking the position of the base. When the base needs to be adjusted inward, the shift block one is rotated to compress the spring one, and the ratchet one rotates, so that the ratchet one moves away from the bar ratchet one, and the base is slid toward the end close to the sewing machine, and the shift block one is released. The elastic force of spring one causes the ratchet one to mesh with the bar ratchet one, thereby locking the position of the base. The operation is simple and can be adapted to different operators.

[0012] The utility model is further configured as follows: the support seat is slidably connected to a slide seat at one end away from the base, the slide seat is provided with two strip ratchet teeth, the support seat is provided with two strip grooves for the slide seat to slide, the support seat is provided with two through grooves, the two through grooves are connected to the two strip grooves, two pawls are rotatably connected in the two through grooves, two shift blocks are fixedly installed on the upper ends of the two pawls, two springs are fixedly installed on the two shift blocks, one end of the two springs away from the two shift blocks is fixedly connected to the support seat, the elastic force of the two springs causes the two pawls to contact and connect with the two strip ratchet teeth, and the slide seat is provided with a placement seat at one end away from the support seat.

[0013] By adopting the above technical solution, when it is necessary to increase the height of the placement seat, the slide seat is pulled out upwards, and the elastic force of spring two causes pawl two to engage with bar ratchet two to lock the position of the slide seat. When it is necessary to lower the height of the placement seat, the shift block two is turned to compress spring two, and pawl two rotates, and pawl two moves away from bar ratchet two, and the slide seat is slid downwards, and the shift block two is released. The elastic force of spring two causes pawl two to engage with bar ratchet two to lock the position of the slide seat. The operation is simple and can be adapted to different operators.

[0014] The utility model is further configured as follows: a convex lens is provided on the slide seat.

[0015] By adopting the above technical solution, the convex lens makes it convenient for the operator to see the sewing needle clearly.

[0016] The utility model is further configured as follows: a protrusion is provided on one side of the sliding seat away from the second strip ratchet tooth, a groove is provided in the middle of the protrusion, a support shaft is rotatably connected in the groove, the convex lens is fixedly connected in the middle of the support shaft, a planar gear one is fixedly installed on the support shaft, a planar gear two is provided at one end of the groove, the planar gear two is fixedly installed on the protrusion, a sliding groove for the support shaft to slide is provided at the other end of the groove, a spring three is sleeved on the support shaft, and the spring three is arranged in the sliding groove.

[0017] By adopting the above technical solution, the support shaft is pushed toward one end of the slide slot, spring three is compressed, plane gear one moves away from plane gear two, the support shaft is rotated, the convex lens fixedly connected to the support shaft is adjusted to a suitable angle, the support shaft is released, and the elastic force of spring three drives the support shaft to move away from one end of the slide slot, plane gear one meshes with plane gear two, and the position of the support shaft is fixed, so as to facilitate the adjustment of the angle of the convex lens.

[0018] The utility model is further configured as follows: one end of the support shaft is penetrated by the protrusion and fixedly connected with a handle.

[0019] By adopting the above technical solution, the handle can conveniently rotate the support shaft to adjust the angle of the convex lens.

[0020] The utility model is further configured as follows: the base is rotatably connected to the support base, an adjustment block is fixedly mounted on the support base, an arc groove is provided on the adjustment block, a bolt is provided in the arc groove, the bolt is fixedly mounted on the base, and a locking nut is provided on the bolt.

[0021] By adopting the above technical solution, loosen the nut, rotate the support seat to a suitable position, the adjustment block on the support seat rotates with the support seat, rotate the locking nut, fix the adjustment block on the base, so that the angle between the support seat and the base is fixed to adapt to different operators.

[0022] The utility model is further configured as follows: the placement seat is arc-shaped.

[0023] By adopting the above technical solution, the arc fits the human head, making the support more comfortable.

[0024] The utility model is further configured as follows: an elastic piece is provided on the placement seat.

[0025] By adopting the above technical solution, the elastic member makes the support more comfortable.

[0026] The beneficial effects of the utility model are:

[0027] 1. By setting a support device on the sewing machine table, the operator's head can be supported, relieving the operator's cervical pressure and reducing fatigue;

[0028] 2. The mounting base is fixed on the sewing machine table by bolts. When the base needs to be adjusted away from the sewing machine, the base is slid away from the sewing machine, and the elastic force of spring 1 makes ratchet 1 mesh with bar-shaped tooth 1 to lock the position of the base. When the base needs to be adjusted inward, the shift block 1 is turned to compress the spring 1, and the ratchet 1 rotates, and the ratchet 1 is away from the bar-shaped ratchet 1. The base is slid toward the sewing machine, and the shift block 1 is released. The elastic force of spring 1 makes the ratchet 1 mesh with the bar-shaped ratchet 1 to lock the position of the base. The operation is simple and can be adapted to different operators.

[0029] 3. When the height of the placement seat needs to be raised, the slide seat is pulled upwards, and the elastic force of the second spring causes the second pawl to mesh with the second strip ratchet to lock the position of the slide seat. When the height of the placement seat needs to be lowered, the second shifting block is turned to compress the second spring, and the second pawl rotates, and the second pawl moves away from the second strip ratchet. The slide seat is slid downward, and the second shifting block is released. The elastic force of the second spring causes the second pawl to mesh with the second strip ratchet to lock the position of the slide seat. The operation is simple and can be adapted to different operators.

[0030] 4. Push the support shaft toward one end of the slide slot, compress the spring three, move the plane gear one away from the plane gear two, rotate the support shaft, adjust the convex lens fixedly connected to the support shaft to a suitable angle, loosen the support shaft, and the elastic force of the spring three drives the support shaft to move away from one end of the slide slot. The plane gear one meshes with the plane gear two to fix the position of the support shaft, making it convenient to adjust the angle of the convex lens;

[0031] 5. Loosen the nut and rotate the support base to the appropriate position. The adjustment block on the support base rotates with the support base. Turn the locking nut to fix the adjustment block on the base to fix the angle between the support base and the base to suit different operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0033] Figure 1 It is a schematic diagram of the structure of the utility model.

[0034] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model.

[0035] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model.

[0036] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model.

[0037] Figure 5 It is a structural schematic diagram of the convex lens of the utility model.

[0038] In the figure, 1, sewing machine table; 2, base; 3, support seat; 4, mounting seat; 5, strip ratchet one; 6, strip groove one; 7, through groove one; 8, pawl one; 9, shift block one; 10, spring one; 11, slide seat; 12, strip ratchet two; 13, strip groove two; 14, through groove two; 15, pawl two; 16, shift block two; 17, spring two; 18, placement seat; 19, protrusion; 20, groove; 21, support shaft; 22, convex lens; 23, plane gear one; 24, plane gear two; 25, slide groove; 26, spring three; 27, handle; 28, adjustment block; 29, arc groove; 30, bolt; 31, locking nut. DETAILED DESCRIPTION

[0039] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] See also Figure 1-5 A head support device for a sewing machine comprises a sewing machine table top 1, on which a support device for supporting an operator's head is fixedly mounted.

[0041] like Figure 3 As shown, the supporting device includes a mounting base 4 fixedly mounted on the sewing machine table 1 by bolts 30, the upper end surface of the mounting base 4 is provided with a strip ratchet 5, the lower end surface of the base 2 is provided with a strip groove 6 for the mounting base 4 to slide, the base 2 is provided with a through groove 7, the through groove 7 is connected with the strip groove 6, a pawl 8 is rotatably connected in the through groove 7, a shift block 9 is fixedly mounted on the upper end of the pawl 8, a spring 10 is fixedly mounted on the shift block 9, the end of the spring 10 away from the shift block 9 is fixedly connected to the base 2, and the elastic force of the spring 10 causes the pawl 8 to contact and connect with the strip ratchet 5.

[0042] like Figure 4As shown, the support seat 3 is slidably connected with a slide seat 11 at one end away from the base 2, and the slide seat 11 is provided with two strip ratchet teeth 12, and the support seat 3 is provided with two strip grooves 13 for the slide seat 11 to slide, and the support seat 3 is provided with two through grooves 14, which are connected with the two strip grooves 13, and two pawls 15 are rotatably connected in the two through grooves 14, and two shift blocks 16 are fixedly installed on the upper ends of the two pawls 15, and two springs 17 are fixedly installed on the two shift blocks 16, and the two springs 17 are fixedly connected to the support seat 3 at one end away from the two shift blocks 16, and the elastic force of the two springs 17 makes the two pawls 15 contact and connect with the two strip ratchet teeth 12, and the slide seat 11 is provided with a placement seat 18 at one end away from the support seat 3, and the placement seat 18 is arc-shaped, and an elastic member is provided on the placement seat 18, and the elastic member is made of rubber or sponge.

[0043] like Figure 1 As shown, the base 2 is rotatably connected to the support base 3, an adjusting block 28 is fixedly mounted on the support base 3, an arc groove 29 is provided on the adjusting block 28, a bolt 30 is provided in the arc groove 29, the bolt 30 is fixedly mounted on the base 2, and a locking nut 31 is provided on the bolt 30.

[0044] like Figure 5 As shown, a protrusion 19 is provided on the side of the slide 11 away from the strip ratchet 12, a groove 20 is provided in the middle of the protrusion 19, a support shaft 21 is rotatably connected in the groove 20, one end of the support shaft 21 is penetrated by the protrusion 19 and fixedly connected with a handle 27, a convex lens 22 is fixedly connected in the middle of the support shaft 21, a flat gear 1 23 is fixedly installed on the support shaft 21, a flat gear 24 is provided at one end of the groove 20, the flat gear 24 is fixedly installed on the protrusion 19, a sliding groove 25 for the support shaft 21 to slide is provided at the other end of the groove 20, a spring 3 26 is sleeved on the support shaft 21, one end of the spring 3 26 abuts against the convex lens 22, and the other end abuts against the protrusion 19.

[0045] This product uses a new working principle:

[0046] The mounting base 4 is fixed on the sewing machine table 1 by bolts 30. When the base 2 needs to be adjusted away from the end of the sewing machine, the base 2 is slid away from the end of the sewing machine, and the elastic force of the spring 10 makes the pawl 8 engage with the bar tooth 1 to lock the position of the base 2. When the base 2 needs to be adjusted inward, the shift block 9 is turned to compress the spring 10, and the pawl 8 rotates, and the pawl 8 moves away from the bar ratchet 5, and the base 2 is slid toward the end close to the sewing machine, and the shift block 9 is released. The elastic force of the spring 10 makes the pawl 8 engage with the bar ratchet 5 to lock the position of the base 2.

[0047] When it is necessary to raise the height of the placement seat 18, the slide 11 is pulled out upwards, and the elastic force of the spring 17 causes the pawl 15 to engage with the strip ratchet 12 to lock the position of the slide 11. When it is necessary to lower the height of the placement seat 18, the shift block 16 is turned to compress the spring 17, and the pawl 15 rotates, and the pawl 15 moves away from the strip ratchet 12, and the slide 11 is slid downward, and the shift block 16 is released. The elastic force of the spring 17 causes the pawl 15 to engage with the strip ratchet 12 to lock the position of the slide 11.

[0048] Push the support shaft 21 toward one end of the slide slot 25, the spring three 26 is compressed, the plane gear one 23 moves away from the plane gear two 24, rotate the support shaft 21, adjust the convex lens 22 fixedly connected to the support shaft 21 to a suitable angle, release the support shaft 21, and the elastic force of the spring three 26 drives the support shaft 21 to move away from the end of the slide slot 25, the plane gear one 23 is meshed with the plane gear two 24, and the position of the support shaft 21 is fixed, so that the angle of the convex lens 22 can be adjusted conveniently.

[0049] Loosen the nut and rotate the support base 3 to a suitable position. The adjustment block 28 on the support base 3 rotates with the support base 3. Rotate the locking nut 31 to fix the adjustment block 28 on the base 2 so that the angle between the support base 3 and the base 2 is fixed to adapt to different operators.

Claims

1. A head support device for a sewing machine, comprising a sewing machine table (1), characterized in that: A supporting device for supporting the operator's head is fixedly mounted on the sewing machine table (1).

2. A head support device for a sewing machine according to claim 1, characterized in that: The supporting device comprises a base (2) arranged on the sewing machine table (1); a supporting seat (3) is provided at one end of the base (2) away from the sewing machine; and a placing seat (18) is provided at one end of the supporting seat (3) away from the base (2).

3. A head support device for a sewing machine according to claim 2, characterized in that: A mounting seat (4) is fixedly mounted on the sewing machine table (1), and a strip-shaped ratchet (5) is provided on the upper end surface of the mounting seat (4). A strip-shaped groove (6) for sliding the mounting seat (4) is provided on the lower end surface of the base (2). A through groove (7) is provided on the base (2), and the through groove (7) is connected to the strip-shaped groove (6). A ratchet (8) is rotatably connected in the through groove (7). A shift block (9) is fixedly mounted on the upper end of the ratchet (8), and a spring (10) is fixedly mounted on the shift block (9). One end of the spring (10) away from the shift block (9) is fixedly connected to the base (2), and the elastic force of the spring (10) causes the ratchet (8) to contact and connect with the strip-shaped ratchet (5).

4. A head support device for a sewing machine according to claim 3, characterized in that: The support seat (3) is slidably connected to a slide seat (11) at one end away from the base (2); the slide seat (11) is provided with two strip-shaped ratchet teeth (12); the support seat (3) is provided with two strip-shaped grooves (13) for the slide seat (11) to slide; the support seat (3) is provided with two through grooves (14); the two through grooves (14) are connected to the two strip-shaped grooves (13); two ratchet claws (15) are rotatably connected in the two through grooves (14); A second shifting block (16) is fixedly mounted on the upper end of the second ratchet pawl (15), and a second spring (17) is fixedly mounted on the second shifting block (16). One end of the second spring (17) away from the second shifting block (16) is fixedly connected to the support seat (3). The elastic force of the second spring (17) causes the second ratchet pawl (15) to contact and engage with the second bar ratchet tooth (12). A placement seat (18) is provided on one end of the slide seat (11) away from the support seat (3).

5. A head support device for a sewing machine according to claim 4, characterized in that: A convex lens (22) is provided on the sliding seat (11).

6. A head support device for a sewing machine according to claim 5, characterized in that: A convex block (19) is provided on the side of the slide seat (11) away from the second strip ratchet tooth (12), a groove (20) is provided in the middle of the convex block (19), a support shaft (21) is rotatably connected in the groove (20), the middle of the support shaft (21) is fixedly connected to the convex lens (22), a plane gear (23) is fixedly installed on the support shaft (21), a plane gear (24) is provided at one end of the groove (20), the plane gear (24) is fixedly installed on the convex block (19), a slide groove (25) for the support shaft (21) to slide is provided at the other end of the groove (20), a spring (26) is sleeved on the support shaft (21), and the spring (26) is arranged in the slide groove (25).

7. A head support device for a sewing machine according to claim 6, characterized in that: One end of the support shaft (21) is penetrated by the protrusion (19) and is fixedly connected to a handle (27).

8. A head support device for a sewing machine according to claim 4, characterized in that: The base (2) is rotatably connected to the support base (3); an adjusting block (28) is fixedly mounted on the support base (3); an arc-shaped groove (29) is provided on the adjusting block (28); a bolt (30) is provided in the arc-shaped groove (29); the bolt (30) is fixedly mounted on the base (2); and a locking nut (31) is provided on the bolt (30).

9. A head support device for a sewing machine according to claim 2, characterized in that: The placement seat (18) is arc-shaped.

10. A head support device for a sewing machine according to claim 2, characterized in that: An elastic piece is provided on the placement seat (18).

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