CN219603885U

CN219603885U - Sewing machine

Info

Publication number: CN219603885U
Application number: CN202320857894.0U
Authority: CN
Inventors: 陈海发; 黄贤木; 王鲜
Original assignee: Zhongjie Sewing Machine Co Ltd
Current assignee: Zhongjie Sewing Machine Co Ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-08-29
Anticipated expiration: 2033-04-12

Abstract

The utility model provides a sewing machine, which comprises a frame, a connecting component and a damping component, wherein the frame comprises a first frame body and a second frame body; the connecting component comprises a connecting piece and a mounting part, the connecting piece is arranged on the second frame body, the mounting part is arranged on the first frame body, and the connecting piece is connected with the mounting part; the damping component comprises a damping piece, and two ends of the damping piece are respectively connected with the first frame body and the mounting part. Through setting up coupling assembling fixed connection first support body and second support body, play shock attenuation buffering's effect to the frame through setting up damper, solved the problem that the sewing machine frame among the prior art produces vibrations in the use hookup location.

Description

Sewing machine

Technical Field

The utility model relates to the field of sewing machines, in particular to a sewing machine.

Background

The sewing machine is one machine with one or several sewing threads to form one or several kinds of stitch, and is one or several layers of seam interweaving or sewing machine, and consists of four parts including machine head, machine frame, transmission and accessory.

The sewing machine frame is the workstation support frame that is used for placing the sewing machine aircraft nose, and whole frame is high to the processing equipment requirement, so need with sewing machine frame split processing, the frame structure after the split can adopt threaded connection to be whole among the prior art, but because the sewing machine aircraft nose can produce vibrations in the course of the work, drive sewing machine frame also can produce vibrations, at this moment, threaded connection's position can produce vibrations membrane material for sewing machine can produce in the course of the work and rock, be difficult for the staff to operate, and probably cause sewing machine's damage, shorten sewing machine's life.

Disclosure of Invention

The utility model mainly aims to provide a sewing machine, which solves the problem that the connecting position of a sewing machine frame in the prior art vibrates in the using process.

In order to achieve the above object, the present utility model provides a sewing machine comprising: the frame comprises a first frame body and a second frame body, and the second frame body is used for installing a machine head of the sewing machine; the connecting assembly comprises a connecting piece and a mounting part; the connecting piece is arranged on the second frame body, and at least part of the connecting piece extends from the second frame body towards the direction close to the first frame body; the mounting part is arranged on the first frame body, and at least part of the connecting piece is inserted into the mounting part and connected with the mounting part so as to connect the first frame body and the second frame body; the damping component is arranged between the first frame body and the second frame body and comprises damping pieces, the damping pieces can be elastically arranged, and two ends of each damping piece are respectively connected with the first frame body and the mounting part.

Further, a first mounting hole is formed in the second frame body, and an internal thread is arranged in the first mounting hole; at least part of the connecting piece passes through the first mounting hole and then is inserted into the mounting part, and the connecting piece is in threaded fit with the first mounting hole.

Further, the connector includes: the connecting rod is provided with external threads matched with the internal threads of the first mounting hole, at least part of the connecting rod passes through the first mounting hole and is inserted into the mounting part, and the connecting rod is in threaded connection with the first mounting hole; the limiting block is arranged at one end of the connecting rod, far away from the mounting part, and extends from the connecting rod towards the direction far away from the connecting rod, and at least part of the limiting block is attached to the surface of the second frame body so that the connecting rod is mounted at a preset position.

Further, one end of the mounting part far away from the first frame body is provided with a third mounting hole, and the third mounting hole is provided with an internal thread matched with the external thread of the connecting rod, so that at least part of the connecting rod passes through the first mounting hole, is inserted into the third mounting hole and is in threaded connection with the third mounting hole.

Further, a second mounting hole is formed in the first frame body, and an internal thread is formed in the second mounting hole; at least part of the mounting part is inserted into the second mounting hole and is in threaded fit with the second mounting hole.

Further, the connection assembly further comprises: the fastener is provided with a first penetrating hole, the first penetrating hole is provided with an internal thread matched with the external thread of the installation part, the fastener is sleeved on the installation part and is in threaded connection with the installation part, and the end face of the fastener is attached to the end face of the first frame body, which is close to the second frame body.

Further, the mounting part is a mounting rod, and a gap is reserved between the end surface of the mounting rod far away from the first frame body and the second frame body; the damping piece is sleeved on the mounting part and is attached to the surface of the mounting part, and the end face of the damping piece is attached to the second frame body; wherein, the thickness of shock attenuation spare is greater than the maximum distance between the terminal surface of installation pole and the terminal surface of connecting of second support body.

Further, the shock absorbing assembly further comprises: the first buffer piece is sleeved on the mounting part and is attached to the surface of the mounting part, and two ends of the first buffer piece are attached to the second frame body and one end, close to the second frame body, of the shock absorbing piece respectively; and/or the second buffer piece is sleeved on the mounting part and is attached to the surface of the mounting part, and the end face of the second buffer piece is attached to one end, close to the first frame body, of the shock absorbing piece.

Further, the shock absorbing assembly further comprises: the adjusting piece is sleeved on the mounting portion, the adjusting piece is attached to the end face, close to the first frame body, of the damping piece, and the adjusting piece is movably arranged along the extending direction of the mounting portion.

Further, a plurality of first mounting holes are formed in the second frame body, and the plurality of first mounting holes are arranged at intervals along the circumferential direction of the second frame body; the first frame body is provided with a plurality of second mounting holes, the second mounting holes are arranged at intervals along the circumferential direction of the first frame body, and each first mounting hole is arranged in one-to-one correspondence with each second mounting hole; the plurality of connecting pieces are arranged, and each connecting piece is correspondingly penetrated in each first mounting hole one by one; the plurality of mounting parts are inserted into the second mounting holes in a one-to-one correspondence manner; each connecting piece is inserted on each installation part in a one-to-one correspondence manner, and each installation part is sleeved with a damping component respectively.

By applying the technical scheme of the utility model, the sewing machine comprises a frame, a connecting component and a damping component, wherein the frame comprises a first frame body and a second frame body; the connecting component comprises a connecting piece and a mounting part, the connecting piece is arranged on the second frame body, the mounting part is arranged on the first frame body, and the connecting piece is connected with the mounting part; the damping component comprises a damping piece, and two ends of the damping piece are respectively connected with the first frame body and the mounting part. Through setting up coupling assembling fixed connection first support body and second support body, play shock attenuation buffering's effect to the frame through setting up damper, solved the problem that the sewing machine frame among the prior art produces vibrations in the use hookup location.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a first perspective overall structural schematic of an embodiment of a sewing machine according to the present utility model;

FIG. 2 is a second perspective overall structural schematic diagram showing an embodiment of a sewing machine according to the present use novel;

FIG. 3 shows a schematic structural view of a connecting assembly and a damper assembly of the sewing machine according to the present utility model;

fig. 4 shows an assembly schematic of the connecting portion of an embodiment of the sewing machine according to the utility model.

Wherein the above figures include the following reference numerals:

1. a first frame body; 2. a second frame body; 3. a connection assembly; 31. a connecting piece; 32. a mounting part; 33. a fastener; 4. a shock absorbing assembly; 41. a shock absorbing member; 42. a first buffer member; 43. a second buffer member; 44. an adjusting member.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 to 4, the present utility model provides a sewing machine, comprising a frame and a connecting assembly 3, wherein the frame comprises a first frame body 1 and a second frame body 2, and the second frame body 2 is used for installing a machine head of the sewing machine; the connection assembly 3 includes a connection member 31 and a mounting portion 32, and the connection assembly 3 is used to connect the first frame body 1 and the second frame body 2.

Wherein the connecting piece 31 is arranged on the second frame body 2, and at least part of the connecting piece 31 extends from the second frame body 2 towards the direction approaching the first frame body 1; the mounting portion 32 is provided on the first frame body 1, and at least a portion of the connecting member 31 is inserted into the mounting portion 32 and connected to the mounting portion 32 to connect the first frame body 1 and the second frame body 2.

In addition, in order to achieve the purpose of shock absorption, the sewing machine further comprises a shock absorbing assembly 4, the shock absorbing assembly 4 is arranged between the first frame body 1 and the second frame body 2, the shock absorbing assembly 4 comprises a shock absorbing member 41, the shock absorbing member 41 is elastically arranged, and two ends of the shock absorbing member 41 are respectively connected with the first frame body 1 and the mounting part 32.

The sewing machine comprises a frame, a connecting component 3 and a damping component 4, wherein the frame comprises a first frame body 1 and a second frame body 2; the connecting assembly 3 comprises a connecting piece 31 and a mounting part 32, wherein the connecting piece 31 is arranged on the second frame body 2, the mounting part 32 is arranged on the first frame body 1, and the connecting piece 31 is connected with the mounting part 32; the damper assembly 4 includes a damper 41, and both ends of the damper 41 are connected to the first frame body 1 and the mounting portion 32, respectively. Through setting up coupling assembling 3 fixed connection first support body 1 and second support body 2, play shock attenuation buffering's effect to the frame through setting up damper 4, solved the problem that the sewing machine frame among the prior art produces vibrations in the use hookup location.

Further, in order to provide the connecting member 31 on the second frame body 2, the second frame body 2 is provided with a first mounting hole, and the first mounting hole is internally provided with internal threads; at least part of the connecting piece 31 passes through the first mounting hole and then is inserted into the mounting part 32, and the connecting piece 31 is in threaded fit with the first mounting hole.

Specifically, the connecting piece 31 in the present embodiment includes a connecting rod and a stopper, where the connecting rod has an external thread adapted to an internal thread of the first mounting hole, and at least a portion of the connecting rod passes through the first mounting hole and is inserted into the mounting portion 32, and the connecting rod is screwed with the first mounting hole; the stopper sets up the one end of keeping away from installation department 32 at the connecting rod, and the stopper extends towards the direction of keeping away from the connecting rod on by the connecting rod, and the at least part of stopper is laminated with the surface of second support body 2 to make the connecting rod install to the preset position. Preferably, the connection 31 is a screw.

In order to connect the mounting portion 32 and the connecting member 31, a third mounting hole is provided at one end of the mounting portion 32 away from the first frame body 1, and the third mounting hole has an internal thread adapted to the external thread of the connecting rod, so that at least part of the connecting rod passes through the first mounting hole, and is inserted into the third mounting hole and is in threaded connection with the third mounting hole.

Similarly, in order to install the mounting portion 32 on the first frame 1, a second mounting hole is provided on the first frame 1, and an internal thread is provided in the second mounting hole; at least a portion of the mounting portion 32 is inserted into and threadedly engaged with the second mounting hole. Preferably, the mounting portion 32 is a stud, and the leveling problem of the first frame 1 caused by welding is compensated by adjusting the upper and lower heights of the stud, so that the horizontal accuracy of the second frame 2 is ensured.

Further, in order to fix the mounting portion 32 on the first frame body 1, the connecting assembly 3 further includes a fastener 33, the fastener 33 has a first through hole, the first through hole has an internal thread adapted to the external thread of the mounting portion 32, the fastener 33 is sleeved on the mounting portion 32 and is in threaded connection with the mounting portion 32, and an end face of the fastener 33 is attached to an end face of the first frame body 1 close to the second frame body 2. Preferably, the fastener 33 is a nut, after the stud is screwed with the first frame 1, the nut is screwed on the stud, and the end face of the nut and the end face of the first frame 1 are attached, so that the friction between the nut and the first frame 1 is utilized, the installation stability of the stud is increased, and the risk that the stud deforms when the first frame 1 vibrates is reduced.

Further, a limiting groove is formed in the end face, opposite to the second frame body 2, of the first frame body 1, the limiting groove is arranged around the opening of the second mounting hole, and at least part of the fastening piece 33 is embedded in the limiting groove.

Specifically, the concrete implementation mode of the connecting component of the sewing machine in the embodiment is that the nut is sleeved on the stud, the stud is inserted on the first frame body 1, and the purpose of fastening the stud is achieved by screwing the nut to a position close to the end face of the first frame body 1; meanwhile, the distance between the second frame body 2 and the first frame body 1 can be adjusted by adjusting the length of the first frame body 1 inserted by the adjusting nut and the adjusting stud, so that the second frame body 2 is in a horizontal position.

Further, the mounting portion 32 is a mounting rod, and a gap is formed between the end surface of the mounting rod, which is far away from the first frame body 1, and the second frame body 2, so that vibration generated when the machine head of the sewing machine drives the second frame body 2 in the running process is not directly transmitted to the first frame body 1 through the mounting rod.

In order to achieve the purpose of damping, the damping member 41 is sleeved on the mounting portion 32 and is attached to the surface of the mounting portion 32, and the end face of the damping member 41 is attached to the second frame 2, so that the effect of damping is achieved; wherein, the thickness of shock attenuation piece 41 is greater than the maximum distance between terminal surface and the second support body 2 of installation pole, and at this moment, when shock attenuation piece 41 cover was established on the installation pole, hugs closely between the terminal surface of shock attenuation piece 41 and the second support body 2, because shock attenuation piece 41 is the elastic component, and sewing machine's aircraft nose is at the operation in-process, and the aircraft nose drives the vibrations force that second support body 2 produced and acts on shock attenuation piece 41, and after shock attenuation piece 41 absorbed a part of vibrations force, with the force transfer to the installation pole. Preferably, the shock absorbing member 41 is a shock absorbing pad, and in the fastening shock absorbing effect, the shock absorbing effect of the shock absorbing pad disposed on the second frame body 2 is superior to the shock absorbing effect of the shock absorbing pad disposed at the middle portions of the first frame body 1 and the second frame body 2 under the gravity of the sewing machine.

Further, the specific implementation manner of the shock absorbing assembly 4 in this embodiment is as follows:

the first embodiment is: the damping component 4 further comprises a first buffer member 42, the first buffer member 42 is sleeved on the mounting portion 32 and is attached to the surface of the mounting portion, and two ends of the first buffer member 42 are attached to the second frame 2 and one end, close to the second frame 2, of the damping member 41 respectively, so that the effect of compensating damping is achieved.

The second embodiment is: the damping component 4 further comprises a second buffer member 43, the second buffer member 43 is sleeved on the mounting portion 32 and is attached to the surface of the mounting portion 32, and the end face of the second buffer member 43 is attached to one end, close to the first frame body 1, of the damping member 41, so that the damping effect is compensated.

The third embodiment is: the damping component 4 further comprises a first buffer member 42 and a second buffer member 43, wherein the first buffer member 42 is sleeved on the mounting portion 32 and is attached to the surface of the mounting portion, and two ends of the first buffer member 42 are attached to the second frame 2 and one end, close to the second frame 2, of the damping member 41 respectively; the second buffer member 43 is sleeved on the mounting portion 32 and is attached to the surface of the mounting portion 32, and an end face of the second buffer member 43 is attached to one end, close to the first frame body 1, of the shock absorbing member 41, so that the function of compensating shock absorption is achieved.

Preferably, the first cushioning member 42 and the second cushioning member 43 are each shims.

In order to enable the end face of the shock absorbing member 41 to be tightly attached to the second frame body 2, the shock absorbing assembly 4 further comprises an adjusting member 44 sleeved on the mounting portion 32, the adjusting member 44 is attached to the end face, close to the first frame body 1, of the shock absorbing member 41, and the adjusting member 44 is movably arranged along the extending direction of the mounting portion 32. The adjusting member 44 has a second through hole having an internal thread adapted to the external thread of the mounting portion 32, the adjusting member 44 is screwed to the mounting portion 32, and the damper 41 is limited to a position closely contacting the end surface of the second frame 2 by adjusting the distance between the adjusting member 44 and the end surface of the second frame 2 near the first frame 1.

Specifically, the second frame body 2 in the present embodiment is provided with a plurality of first mounting holes, and the plurality of first mounting holes are arranged at intervals along the circumferential direction of the second frame body 2; a plurality of second mounting holes are formed in the first frame body 1, the second mounting holes are arranged at intervals along the circumferential direction of the first frame body 1, and each first mounting hole is arranged in one-to-one correspondence with each second mounting hole.

Further, in order to connect the first frame body 1 and the second frame body 2, a plurality of connecting pieces 31 are provided, and each connecting piece 31 is correspondingly penetrated in each first mounting hole one by one; the plurality of mounting parts 32 are arranged, and each mounting part 32 is inserted into each second mounting hole in a one-to-one correspondence manner; each connecting piece 31 is inserted in each mounting portion 32 in a one-to-one correspondence manner, and each mounting portion 32 is sleeved with a damper assembly 4.

The second frame body 2 is fixed on the first frame body 1 through the connecting component 3, wherein the connecting component 3 comprises a mounting part 32, the mounting part 32 is fixed on the first frame body 1 through a fastener 33, the shock absorbing member 41 is fixed on the mounting part 32 through a first buffer member 42, a second buffer member 43 and an adjusting member 44, and the second frame body is fixed on the mounting part through a connecting member. Wherein, the second frame body is provided with a certain gap through the adjustment of the adjusting piece 44 and the fastening piece 33 and the mounting part 32, so that the damping piece 41 is stressed to achieve the damping effect, and the height of the second frame body 2 in a plane state can be adjusted through the connecting component 3. Specifically, the adjustment member 44 is an adjustment nut, and the damper member 41, the first damper member 42, and the second damper member 43 are fixed by screwing the adjustment nut.

The sewing machine in this embodiment is an adjustable shock attenuation frame and sewing machine that has, comprises first support body 1 and second support body 2, and second support body 2 passes through coupling assembling 3 to be fixed on first support body 1, and coupling assembling 3 includes installation department 32, connecting piece 31 and fastener 33, is provided with damper 4 between first support body 1 and the second support body 2, and damper 4 includes damper 41, first buffer 42, second buffer 43 and regulating part 44, and damper 41 plays the shock attenuation effect to the frame. The adjustable damping rack can reduce vibration in the use process of the sewing machine, the requirement on processing equipment is reduced by adopting an upper-lower split type mode, and the accuracy requirement of welding of the rack is reduced while the processing is convenient.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

according to the sewing machine provided by the utility model, the first frame body 1 and the second frame body 2 are fixedly connected through the connecting component 3, and the damping component 4 is arranged to play a role in damping and buffering the frame, so that the problem that the connecting position of the sewing machine frame in the prior art vibrates in the using process is solved, the operation and the use are convenient, the damage of the sewing machine frame in the using process is reduced, and the service life of the sewing machine is prolonged.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A sewing machine, comprising:

the frame comprises a first frame body (1) and a second frame body (2), wherein the second frame body (2) is used for installing a machine head of a sewing machine;

a connection assembly (3) comprising a connection member (31) and a mounting portion (32);

wherein the connecting piece (31) is arranged on the second frame body (2), and at least part of the connecting piece (31) extends from the second frame body (2) towards the direction approaching the first frame body (1); the mounting part (32) is arranged on the first frame body (1), and at least part of the connecting piece (31) is inserted into the mounting part (32) and connected with the mounting part (32) so as to connect the first frame body (1) with the second frame body (2);

damping component (4) set up first support body (1) with between second support body (2), damping component (4) are including shock attenuation piece (41), but shock attenuation piece (41) elasticity sets up, the both ends of shock attenuation piece (41) respectively with first support body (1) with installation department (32) are connected.

2. The sewing machine of claim 1, wherein the second frame body (2) is provided with a first mounting hole, and the first mounting hole is internally provided with internal threads;

at least part of the connecting piece (31) passes through the first mounting hole and then is inserted into the mounting part (32), and the connecting piece (31) is in threaded fit with the first mounting hole.

3. The sewing machine of claim 2, wherein the connecting member (31) comprises:

the connecting rod is provided with external threads matched with the internal threads of the first mounting hole, at least part of the connecting rod passes through the first mounting hole and is inserted into the mounting part (32), and the connecting rod is in threaded connection with the first mounting hole;

the limiting block is arranged at one end of the connecting rod, far away from the mounting part (32), the limiting block extends from the connecting rod towards the direction far away from the connecting rod, and at least part of the limiting block is attached to the surface of the second frame body (2) so that the connecting rod is mounted at a preset position.

4. A sewing machine according to claim 3, wherein the end of the mounting portion (32) remote from the first frame body (1) is provided with a third mounting hole having an internal thread adapted to the external thread of the connecting rod, so that at least part of the connecting rod passes through the first mounting hole, is inserted in the third mounting hole and is screwed with the third mounting hole.

5. The sewing machine of claim 1, wherein the first frame body (1) is provided with a second mounting hole, and the second mounting hole is internally provided with internal threads;

at least part of the mounting part (32) is inserted into the second mounting hole and is in threaded fit with the second mounting hole.

6. The sewing machine of claim 5, wherein the connecting assembly (3) further comprises:

the fastener (33) is provided with a first penetrating hole, the first penetrating hole is provided with an internal thread matched with the external thread of the installation part (32), the fastener (33) is sleeved on the installation part (32) and is in threaded connection with the installation part (32), and the end face of the fastener (33) is attached to the end face of the first frame body (1) close to the second frame body (2).

7. A sewing machine according to claim 3, characterized in that the mounting portion (32) is a mounting bar having a gap between an end face of the mounting bar remote from the first frame body (1) and the second frame body (2);

the damping piece (41) is sleeved on the mounting part (32) and is attached to the surface of the mounting part (32), and the end face of the damping piece (41) is attached to the second frame body (2);

wherein the thickness of the shock absorbing member (41) is greater than the maximum distance between the end face of the mounting rod and the connecting end face of the second frame body (2).

8. The sewing machine of claim 7, wherein the shock absorbing assembly (4) further comprises:

the first buffer piece (42) is sleeved on the mounting part (32) and is attached to the surface of the mounting part (32), and two ends of the first buffer piece (42) are attached to one end, close to the second frame body (2), of the second frame body (2) and one end, close to the second frame body (2), of the shock absorbing piece (41) respectively; and/or

The second buffer piece (43) is sleeved on the mounting part (32) and is attached to the surface of the mounting part (32), and the end face of the second buffer piece (43) is attached to one end, close to the first frame body (1), of the shock absorbing piece (41).

9. The sewing machine of claim 7, wherein the shock absorbing assembly (4) further comprises:

the adjusting piece (44) is sleeved on the mounting portion (32), the adjusting piece (44) is attached to the end face, close to the first frame body (1), of the shock absorbing piece (41), and the adjusting piece (44) is movably arranged along the extending direction of the mounting portion (32).

10. The sewing machine of any of claims 1-9, wherein the second frame (2) is provided with a plurality of first mounting holes, the plurality of first mounting holes being spaced apart along a circumferential direction of the second frame (2); the first frame body (1) is provided with a plurality of second mounting holes, the second mounting holes are arranged at intervals along the circumferential direction of the first frame body (1), and each first mounting hole is arranged in one-to-one correspondence with each second mounting hole;

the plurality of connecting pieces (31) are arranged, and each connecting piece (31) is correspondingly arranged in each first mounting hole in a penetrating way; the plurality of mounting parts (32) are arranged, and each mounting part (32) is inserted into each second mounting hole in a one-to-one correspondence manner; the connecting pieces (31) are inserted into the mounting portions (32) in a one-to-one correspondence manner, and the damping assemblies (4) are sleeved on the mounting portions (32) respectively.