CN215103873U - Novel adjustable sewing machine pressure bar device - Google Patents

Abstract

The utility model discloses a novel adjustable sewing machine depression bar device, including depression bar, joint board and presser foot, joint board side face shape is "U" shape, set up the through hole on the joint board, inside the depression bar top runs through the through hole, the screw hole is seted up to joint board left side wall, threaded hole inner wall threaded connection threaded rod, the threaded rod is located the depression bar left side, depression bar bottom fixed connection threaded end, threaded end threaded connection nut pipe, nut pipe bottom fixed connection presser foot relates to sewing machine group assembly part technical field. This novel adjustable sewing machine presser bar device reasonable in design, the structure is firm, can highly adjust the depression bar, and convenient operation is swift, improves work efficiency, has reduced the wearing and tearing of depression bar and spare part simultaneously, strengthens the fastening nature of depression bar junction to can exert pressure for the presser foot to the depression bar during operation and cushion, avoid causing depression bar and presser foot fracture, ensure follow-up normal use.

Description

Novel adjustable sewing machine pressure bar device

Technical Field

The utility model relates to a sewing machine assembly part technical field specifically is a novel adjustable sewing machine depression bar device.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of sewing materials to be interwoven or sewn, 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 stitches are neat, beautiful, smooth and firm, the sewing speed is high, the use is simple and convenient, artistic forms such as hand-push embroidery computer embroidery and the like are derived, the press rod is an essential part in a feeding mechanism of the sewing machine, the press rods of the sewing machines in various forms play an important role in the production process, and different sewing machine press feet are selected to be arranged under the press feet in different sewing operations, so that different requirements such as open thread editing, pleating, hidden zippers and the like are met.

However, traditional sewing machine depression bar device simple structure, firm effect is poor, it is usually fixed inconvenient with the height and the angle of workstation, when sewing demand to the difference, need lift sewing machine aircraft nose casing off, multiple instruments such as screwdriver of recycling dismantle the connecting block on the depression bar and just can adjust, it is loaded down with trivial details with the installation, the operation is difficult, a large amount of time has been wasted, influence work efficiency, bring the burden for the user, and simultaneously, because often utilize the instrument to dismantle, make each spare part produce wearing and tearing easily, lead to the workability failure, depression bar and connector department fastening nature disappearance, influence follow-up use, furthermore, depression bar during operation dynamics is great, for a long time exert pressure for the presser foot, cause depression bar and presser foot fracture easily, lead to the wasting of resources, therefore be difficult to user's user demand.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a novel adjustable sewing machine presser bar device, which solves the problems that the sewing machine presser bar device has simple structure, poor stabilizing effect and inconvenient fixation with the height and angle of a workbench, when different sewing requirements are met, a sewing machine head shell needs to be dismounted, a connecting block on a presser bar can be dismounted by using a plurality of tools such as a screwdriver and the like for adjustment, the dismounting and mounting process is complicated, the operation is difficult, a great deal of time is wasted, the working efficiency is influenced, the burden is brought to a user, meanwhile, parts are easy to wear because the parts are frequently dismounted by using tools, the workability is failed, the fastening property of the presser bar and the connecting body is lost, the subsequent use is influenced, in addition, the working strength of the presser bar is larger, the pressure is applied to the presser bar for a long time, the breakage of the presser bar and the presser bar is easy to be caused, resulting in waste of resources and thus difficulty in user's use requirements.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a novel adjustable sewing machine presser bar device, includes depression bar, joint board and presser foot, joint board side face shape is "U" shape, set up the through hole on the joint board, inside the depression bar top runs through the through hole, joint board left side wall sets up the screw hole, threaded hole inner wall threaded connection threaded rod, the threaded rod is located the depression bar left side, depression bar bottom fixed connection threaded end, threaded end threaded connection nut pipe, nut pipe bottom fixed connection presser foot.

Preferably, the handle is turned round to threaded rod left end fixed connection, threaded rod right-hand member fixed connection rubber slab, the rubber slab is the annular, the rubber slab is located the depression bar left side.

Preferably, the bottom end and the top end of the through hole are fixedly connected with clamping strips, the clamping strips are arranged on the same vertical axis, the clamping strips and the through hole are integrated, and the outer surface of the pressing rod is provided with a clamping groove.

Preferably, the inner wall of the through hole is embedded with a rubber ring, and the rubber ring is sleeved on the outer surface of the pressure rod.

Preferably, the bottom end of the threaded end is fixedly connected with a first spring body, the bottom end of the first spring body is fixedly connected with a pressing plate, a pressing plate groove is formed in the bottom end inside the nut tube, and the pressing plate is located in the pressing plate groove.

Preferably, the presser foot comprises a transverse plate and a curved plate, the transverse plate is located above the curved plate, buffer slots are formed in the bottom end of the transverse plate, the buffer slots are three groups, the inner wall of the top end of each buffer slot is fixedly connected with the second spring body, the bottom end of each second spring body is fixedly connected with the buffer plate, and the outer wall of the bottom of the buffer plate is connected with the curved plate.

(III) advantageous effects

The utility model provides a novel adjustable sewing machine depression bar device. The method has the following beneficial effects:

(1) this novel adjustable sewing machine depression bar device, be "U" shape through joint board side face shape, set up the through hole on the joint board, inside the through hole is run through on the depression bar top, the screw hole is seted up to joint board left wall, threaded hole wall threaded connection threaded rod, the threaded rod is located the depression bar left side, threaded rod left end fixed connection twists reverse the handle, threaded rod right-hand member fixed connection rubber slab, the rubber slab is the annular, the rubber slab is located the depression bar left side, can carry out centre gripping and pine fast to the depression bar and unload, the convenience is highly adjusted the depression bar, be applicable to different sewing demands, time saving and labor saving, bring the facility for the user, and the utility model has the practicality.

(2) This novel adjustable sewing machine depression bar device, through hole bottom and top fixed connection card strip, two sets of card strips are on same vertical axis, card strip and through hole are integrative to be formed, the draw-in groove is seted up to the depression bar surface, the rubber circle is inlayed to the through hole inner wall, the rubber circle cup joints at the depression bar surface, the fastening nature and the antiskid nature of reinforcing depression bar and joint board junction prevent that the clamp plate from locating the landing from the through hole, the influence is used, protect the depression bar surface simultaneously, reduce the through hole and take place wearing and tearing with the depression bar surface, cause the usability failure.

(3) This novel adjustable sewing machine depression bar device, through the first spring body of screw thread end bottom fixed connection, first spring body bottom fixed connection clamp plate, the clamp plate groove is seted up to nut pipe inside bottom, the clamp plate is located the clamp plate inslot, the presser foot comprises diaphragm and bent plate, the diaphragm is located bent plate top, the dashpot is seted up to the diaphragm bottom, the dashpot is three groups, three buffer pot top inner wall fixed connection second of group play spring bodies, second spring body bottom fixed connection dashpots, the bent plate of dashpot bottom outer wall connection, can give the presser foot to the depression bar during operation and exert pressure and cushion, it is great to avoid depression bar during operation dynamics, cause depression bar and presser foot fracture, ensure follow-up normal use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the clamping plate structure of the present invention;

FIG. 3 is a schematic view of the structure of the threaded end nut of the present invention;

fig. 4 is a schematic view of the structure of the presser foot of the present invention.

In the figure, 1-pressing rod, 2-clamping plate, 3-pressing foot, 4-through hole, 5-threaded hole, 6-threaded rod, 7-threaded end, 8-nut tube, 9-torsion handle, 10-rubber plate, 11-clamping strip, 12-rubber ring, 13-first spring body, 14-pressing plate, 15-transverse plate, 16-curved plate, 17-buffer groove, 18-second spring body, 19-buffer plate, 20-pressing plate groove and 21-clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: a novel adjustable pressing rod device of a sewing machine comprises a pressing rod 1, a clamping plate 2 and a pressing foot 3, wherein the side surface of the clamping plate 2 is U-shaped, a through hole 4 is formed in the clamping plate 2, the top end of the pressing rod 1 penetrates through the inside of the through hole 4, a threaded hole 5 is formed in the left wall of the clamping plate 2, a threaded rod 6 is in threaded connection with the inner wall of the threaded hole 5, the threaded rod 6 is located on the left side of the pressing rod 1, a threaded end 7 is fixedly connected with the bottom end of the pressing rod 1, the threaded end 7 is in threaded connection with a nut tube 8, the bottom end of the nut tube 8 is fixedly connected with the pressing foot 3, when in use, the clamping plate 2 is installed at a proper position of a machine head of the sewing machine, the bottom end of the pressing rod 1 penetrates through the through hole 4, after the height of the pressing rod is adjusted to be proper to a working table of the sewing machine, the threaded rod 6 is twisted to move right through the threaded hole 5 to fix the pressing rod, and the threaded end 7 and the nut tube 8 is twisted, so that the presser foot 3 is fixed under the presser bar 1.

The handle 9 is twistd reverse in 6 left end fixed connection of threaded rod, 6 right-hand member fixed connection rubber slab 10 of threaded rod, rubber slab 10 is the annular, rubber slab 10 is located depression bar 1 left side, twists reverse handle 9 through the wrench movement for threaded rod 6 passes screw hole 5 and moves right, drives the 1 left side outer wall of rubber slab 10 laminating depression bar, and rubber slab 10 has certain antiskid nature, can fix the position of depression bar 1, thereby fixes the height of depression bar 1 and sewing machine workstation.

The bottom end and the top end of the through hole 4 are fixedly connected with the clamping strips, two groups of clamping strips 11 are arranged on the same vertical axis, the clamping strips 11 and the through hole 4 are integrally formed, the clamping groove 21 is formed in the outer surface of the pressing rod 1, when the height of the pressing rod 1 needs to be adjusted, the threaded rod 6 and the rubber plate 10 need to be moved leftwards, and then the pressing plate 1 needs to be lifted upwards or pressed downwards, so that the two groups of clamping strips 11 are clamped in the clamping groove 21, the position of the joint of the pressing rod 1 and the through hole 4 is fixed, and the position deviation is effectively prevented.

Rubber ring 12 is inlayed to through hole 4 inner wall, rubber ring 12 cup joints at depression bar 1 surface, and rubber ring 12 protects depression bar 1 outer wall, reduces the wearing and tearing between through hole 4 and the depression bar 1, has strengthened anti-skidding performance simultaneously, prevents that depression bar 1 from 4 landing from the through hole.

The bottom end of the threaded end 7 is fixedly connected with a first spring body 13, the bottom end of the first spring body 13 is fixedly connected with a pressing plate 14, a pressing plate groove 20 is formed in the bottom end of the interior of the nut tube 8, the pressing plate 14 is located in the pressing plate groove 20, the threaded end 7 and the nut tube 8 facilitate connection and disassembly of the pressing rod 1 and the pressing foot 3, the first spring body 13 absorbs the acting force of the pressing plate 1 pressing the pressing foot 3 downwards, and the pressing plate 1 is prevented from breaking due to over-force.

The presser foot 3 is composed of a transverse plate 15 and a curved plate 16, the transverse plate 15 is located above the curved plate 16, a buffer groove 17 is formed in the bottom end of the transverse plate 15, the buffer grooves 17 are three groups, the inner wall of the top end of the buffer groove 17 is fixedly connected with a second spring body 18, the bottom end of the second spring body 18 is fixedly connected with a buffer plate 19, the outer wall of the bottom of the buffer plate 19 is connected with the curved plate 16, acting force pressed by the pressing rod 1 is transferred to the three groups of second spring bodies 18 through the transverse plate 15, the second spring bodies 18 are compressed in the buffer groove 17 and rebound through self reaction force, the buffer plate 19 is supported, and therefore the curved plate 16 is supported, the working stability of the presser foot 3 is guaranteed, the pressing position of the presser foot 3 is prevented from being deviated, and the fracture phenomenon after long-time use is avoided.

The working principle is as follows: when the device is installed, the clamping plate 2 is installed at a proper position of a sewing machine head, the bottom end of the pressure rod 1 penetrates through the through hole 4, the outer wall of the pressure rod 1 is protected by the rubber ring 12, abrasion between the through hole 4 and the pressure rod 1 is reduced, the pressure rod 1 is lifted upwards or pressed downwards, after the distance between the bottom end of the pressure rod 1 and a sewing machine workbench is proper, two groups of clamping strips 11 are clamped in the clamping grooves 11, the twisting and twisting handle 9 is adjusted, the threaded rod 6 penetrates through the threaded hole 5 to move rightwards, the rubber plate 10 is driven to be attached to the outer wall on the left side of the pressure rod 1, the rubber plate 10 has certain anti-skidding performance and can fix the position of the pressure rod 1, then, the threaded end 7 is twisted with the nut tube 8, the pressure foot 3 is fixed below the pressure rod 1, during work, the first spring body 13 absorbs the acting force of the pressure foot 3 pressed downwards by the pressure plate 1, and prevents the pressure plate 1 from being broken due to over-violent force, and diaphragm 15 transfers the effort that depression bar 1 pressed to three groups of second spring bodies 18 in, and second spring body 18 compresses in dashpot 17, kick-backs through self reaction force, supports buffer board 19 to support curved plate 16, guarantee presser foot 3 job stabilization nature, prevent that presser foot 3's pressfitting position from taking place the skew, avoid long-time after-use breaking phenomenon.

The utility model discloses a 1-depression bar, 2-joint board, 3-presser foot, 4-through hole, 5-screw hole, 6-threaded rod, 7-threaded end, 8-nut pipe, 9-twist grip, 10-rubber slab, 11-card strip, 12-rubber circle, 13-first spring body, 14-clamp plate, 15-diaphragm, 16-bent plate, 17-dashpot, 18-second spring body, 19-dashpot, 20-clamp plate groove, 21-draw-in groove, the part is general standard component or the part that technical staff in the field knows, its structure and principle all can be known or can be known through conventional experimental method through the technical manual, the problem that the utility model solves the sewing machine presser bar device simple structure, the utility model has the advantages of poor stability effect, generally inconvenient fixation with the height and angle of a workbench, aiming at different sewing requirements, the shell of the sewing machine head needs to be disassembled, the connecting block on the pressure rod can be disassembled by utilizing various tools such as a screwdriver and the like to be adjusted, the disassembling and the installation process are complicated, the operation is difficult, a large amount of time is wasted, the working efficiency is influenced, and the burden is brought to a user, meanwhile, because the parts are easily abraded by utilizing the tools frequently for disassembling, the working performance is disabled, the fastening of the pressure rod and the connecting body is lost, the subsequent use is influenced, in addition, the working strength of the pressure rod is larger, the pressure is exerted on the pressure foot for a long time, the pressure rod and the pressure foot are easily fractured, the resource waste is caused, and the use requirement of the user is difficult, the utility model discloses a problem that the height of the pressure rod can be adjusted by combining the parts, the operation is convenient and fast, the working efficiency is improved, meanwhile, the abrasion of the pressure rod and parts is reduced, the tightness of the joint of the pressure rod is enhanced, the pressure is applied to the presser foot when the pressure rod works for buffering, the fracture of the pressure rod and the presser foot is avoided, and the follow-up normal use is ensured.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a novel adjustable sewing machine depression bar device which characterized in that: including depression bar (1), joint board (2) and presser foot (3), joint board (2) side shape is "U" shape, set up through hole (4) on joint board (2), inside depression bar (1) top run through hole (4), screw hole (5) are seted up to joint board (2) left side wall, screw hole (5) inner wall threaded connection threaded rod (6), threaded rod (6) are located depression bar (1) left side, depression bar (1) bottom fixed connection threaded end (7), threaded end (7) threaded connection nut pipe (8), nut pipe (8) bottom fixed connection presser foot (3).

2. The novel adjustable presser bar assembly of a sewing machine of claim 1, further comprising: handle (9) are twistd reverse in threaded rod (6) left end fixed connection, threaded rod (6) right-hand member fixed connection rubber slab (10), rubber slab (10) are the annular, rubber slab (10) are located depression bar (1) left side.

3. The novel adjustable presser bar assembly of a sewing machine of claim 1, further comprising: through hole (4) bottom and top fixed connection card strip (11), two sets of card strip (11) are on same vertical axis, card strip (11) and through hole (4) an organic whole form, draw-in groove (21) are seted up to depression bar (1) surface.

4. The novel adjustable presser bar assembly of a sewing machine of claim 1, further comprising: rubber ring (12) are inlayed on the inner wall of the through hole (4), and the rubber ring (12) is sleeved on the outer surface of the pressure bar (1).

5. The novel adjustable presser bar assembly of a sewing machine of claim 1, further comprising: the bottom end of the threaded end (7) is fixedly connected with a first spring body (13), the bottom end of the first spring body (13) is fixedly connected with a pressing plate (14), a pressing plate groove (20) is formed in the bottom end of the interior of the nut tube (8), and the pressing plate (14) is located in the pressing plate groove (20).

6. The novel adjustable presser bar assembly of a sewing machine of claim 1, further comprising: the presser foot (3) is composed of a transverse plate (15) and a curved plate (16), the transverse plate (15) is located above the curved plate (16), a buffer groove (17) is formed in the bottom end of the transverse plate (15), the buffer grooves (17) are divided into three groups, the inner wall of the top end of each buffer groove (17) is fixedly connected with a second spring body (18), the bottom end of each second spring body (18) is fixedly connected with a buffer plate (19), and the outer wall of the bottom of each buffer plate (19) is connected with the curved plate (16).

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