CN212611297U

CN212611297U - Folding and unfolding mechanism and sewing machine

Info

Publication number: CN212611297U
Application number: CN202020627451.9U
Authority: CN
Inventors: 张傲; 杜洁
Original assignee: Wujiang Wanping Xinxin Machinery Co ltd
Current assignee: Wujiang Wanping Xinxin Machinery Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-02-26
Anticipated expiration: 2030-04-23

Abstract

The utility model relates to the technical field of sewing machines, in particular to a folding and unfolding mechanism and a sewing machine, which are arranged on a sewing machine panel, wherein the folding and unfolding mechanism comprises a first extension plate and a second extension plate which are hinged on the sewing machine panel, and the first extension plate and the second extension plate are respectively positioned on two mutually perpendicular side edges of the sewing machine panel; the second extending plate is provided with a first connecting rod assembly, and the first connecting rod assembly is connected with a driving assembly arranged on the panel of the sewing machine; the first connecting rod assembly is connected with a second connecting rod assembly installed on the first extending plate through a transmission assembly, and when the first connecting rod assembly moves under the action of the driving assembly, the second connecting rod assembly is driven to move synchronously through the transmission assembly. The driving assembly drives the first connecting rod assembly to drive the second extension plate to be folded and unfolded, and drives the first extension plate to be synchronously folded and unfolded through the transmission assembly and the second connecting rod assembly, and control is facilitated.

Description

Folding and unfolding mechanism and sewing machine

Technical Field

The utility model relates to a related technical field of sewing machine specifically is a mechanism and sewing machine receive and releases.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material.

The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient. And derives the artistic forms of hand-push embroidery, computer embroidery, etc.

In the use of sewing machine, generally be provided with the extension board and increase sewing machine panel, but current extension board is realized through rotatable bracing piece cooperation detachable panel, and it is inconvenient to use, and stability is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a receive and release mechanism and sewing machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a folding and unfolding mechanism is arranged on a panel of a sewing machine and comprises a first extending plate and a second extending plate which are hinged on the panel of the sewing machine, wherein the first extending plate and the second extending plate are respectively positioned on two mutually vertical side edges of the panel of the sewing machine;

the second extending plate is provided with a first connecting rod assembly, the first connecting rod assembly is connected with a driving assembly arranged on the panel of the sewing machine, and the driving assembly drives the second extending plate to rotate through the first connecting rod assembly;

the first connecting rod assembly is connected with a second connecting rod assembly installed on the first extending plate through a transmission assembly, and when the first connecting rod assembly moves under the action of the driving assembly, the second connecting rod assembly is driven to move synchronously through the transmission assembly.

As a further aspect of the present invention: the first connecting rod assembly comprises a first connecting piece connected with the driving assembly, the first connecting piece is hinged with the second extending plate through at least one first connecting rod hinged with the first connecting piece, and the driving assembly drives the first connecting piece to perform linear motion.

As a further aspect of the present invention: the driving assembly comprises an electric telescopic rod, an air cylinder or a hydraulic cylinder which are arranged on the panel of the sewing machine, and the movable end of the electric telescopic rod, the air cylinder or the hydraulic cylinder is fixedly connected with the first connecting piece.

As a further aspect of the present invention: the driving assembly comprises a motor installed on the sewing machine panel, an output shaft of the motor is fixedly connected with a threaded rod on the sewing machine panel in a rotating mode, and one end, far away from the motor, of the threaded rod is inserted into a threaded sleeve fixed with the first connecting piece and is in threaded connection with the threaded sleeve.

As a further aspect of the present invention: the second connecting rod assembly comprises a second connecting piece connected with the transmission assembly, and the second connecting piece is hinged with the first extension plate through at least one second connecting rod hinged with the second connecting piece.

As a further aspect of the present invention: the transmission assembly comprises two mutually perpendicular driving rack plates and driven rack plates, the driving rack plates are fixedly connected with the first connecting piece and the second connecting piece respectively, the driving rack plates are meshed with driving gears on the panel of the sewing machine in a rotating mode, the driven rack plates are meshed with driven gears, and the driven gears are coaxially arranged with the driving gears.

As a further aspect of the present invention: the first connecting piece and the second connecting piece respectively slide with the panel of the sewing machine through a first guide assembly and a second guide assembly.

A sewing machine comprises the folding and unfolding mechanism.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novelty can be followed the sewing machine panel through the first extension board and the second extension board that set up and rotated to can effectively increase the working area of sewing machine panel, improve use comfort, the first connecting rod subassembly of drive assembly drive second extension board of setting receive and releases and receive and releases in step through the first extension board of drive assembly and the drive of second connecting rod subassembly drive, convenient control, the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a folding and unfolding mechanism.

FIG. 2 is a schematic diagram of a transmission assembly in an embodiment of the folding and unfolding mechanism.

Fig. 3 is a schematic structural diagram of another embodiment of the folding and unfolding mechanism.

In the figure: 1-sewing machine panel, 2-first extension plate, 3-second extension plate, 4-electric telescopic rod, 5-first connecting piece, 6-first connecting rod, 7-second connecting piece, 8-second connecting rod, 9-driving rack plate, 10-first guide assembly, 11-second guide assembly, 12-driven gear, 13-driven rack plate, 14-driving gear, 15-motor, 16-threaded sleeve, 17-limiting sleeve and 18-threaded rod.

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.

In addition, an element of the present invention may be said to be "secured to" or "disposed on" another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 3, in an embodiment of the present invention, a folding and unfolding mechanism is installed on a sewing machine panel 1, the folding and unfolding mechanism includes a first extending plate 2 and a second extending plate 3 hinged to the sewing machine panel 1, and the first extending plate 2 and the second extending plate 3 are respectively located on two mutually perpendicular sides of the sewing machine panel 1;

a first connecting rod assembly is mounted on the second extension plate 3 and connected with a driving assembly mounted on the sewing machine panel 1, and the driving assembly drives the second extension plate 3 to rotate through the first connecting rod assembly;

the first connecting rod assembly is connected with a second connecting rod assembly installed on the first extension plate 2 through a transmission assembly, and when the first connecting rod assembly moves under the action of the driving assembly, the second connecting rod assembly is driven to move synchronously through the transmission assembly.

The embodiment of the utility model provides an in, can follow sewing machine panel 1 through the first extension board 2 and the second extension board 3 that set up and rotate to can effectively increase sewing machine panel 1's working area, improve use comfort, the first link assembly of drive assembly drive second extension board 3 of setting receive and releases and receive and release in step through drive assembly and the first extension board 2 of second link assembly drive, convenient control, the practicality is strong.

In the embodiment of the present invention, it can be understood that the first extension board 2 and the second extension board 3 are respectively installed on the panel 1 of the sewing machine at two sides close to the needle head, and are mainly used for receiving objects such as sewing cloth.

As an embodiment of the present invention, the first connecting rod assembly includes a first connecting member 5 connected to the driving assembly, the first connecting member 5 is hinged to the second extending plate 3 through at least one first connecting rod 6, the driving assembly drives the first connecting member 5 to perform a linear motion.

In the embodiment of the present invention, when the driving assembly drives the first connecting member 5 to perform linear motion, the second extending plate 3 is driven to rotate by the action of the first connecting rod 6, so as to realize the expansion or the retraction of the second extending plate 3, wherein it should be noted that two stroke ends of the second extending plate 3 are respectively located at the parallel and perpendicular positions of the sewing machine panel 1.

In the embodiment of the present invention, it should be noted that the first connecting member 5 is a strip-shaped plate-shaped structure, and is perpendicular to the driving direction of the driving assembly, so that a plurality of first connecting rods 6 can be connected therewith, and the stability of supporting the second extending plate 3 is ensured.

As an embodiment of the utility model, the drive assembly is including installing electric telescopic handle 4, cylinder or pneumatic cylinder on the sewing machine panel 1, the expansion end of electric telescopic handle 4, cylinder or pneumatic cylinder with 5 fixed connection of first connecting piece.

The embodiment of the utility model provides an in, the flexible effect through electric telescopic handle 4, cylinder or pneumatic cylinder realizes the drive to first connecting piece 5, in this embodiment, preferably electric telescopic handle 4, can effectively reduce the space and occupy.

As an embodiment of the utility model, the drive assembly is including installing motor 15 on the sewing machine panel 1, the output shaft of motor 15 is in with the rotation threaded rod 18 fixed connection on the sewing machine panel 1, threaded rod 18 is kept away from motor 15's one end insert put with in the threaded sleeve 16 that first connecting piece 5 is fixed and with threaded sleeve 16 threaded connection.

The embodiment of the utility model provides an in, motor 15 through setting drives threaded rod 18 and rotates, and the effect through threaded sleeve 16 when threaded rod 18 rotates realizes the drive to first connecting piece 5, and is preferred, the slip cap is equipped with stop sleeve 17 on the threaded sleeve 16, stop sleeve 17 is fixed on the sewing machine panel 1, it is right to be used for threaded sleeve 16 slides spacingly, prevents that threaded sleeve 16 from taking place to rotate.

As an embodiment of the present invention, the second connecting rod assembly comprises a second connecting member 7 connected to the transmission assembly, the second connecting member 7 is hinged to the first extending plate 2 through at least one second connecting rod 8 hinged to the second connecting member.

In the embodiment of the present invention, the second connecting rod assembly is the same as the first connecting rod assembly, and therefore the present application is not repeated herein.

As an embodiment of the utility model, the drive assembly include two mutually perpendicular and respectively with first connecting

piece

5 and 7 fixed connection's of second connecting piece drive rack board 9 and driven rack board 13, drive rack board 9 is in with the rotation the driving gear 14 meshing on the sewing machine panel 1, driven rack board 13 meshes with driven gear 12, driven gear 12 with the coaxial setting of driving gear 14.

The embodiment of the utility model provides an in, drive rack plate 9 when first connecting piece 5 removes and carry out linear motion to drive driving gear 14 rotates, and driving gear 14 drives driven gear 12 and rotates, thereby drive with driven rack plate 13 of driven gear 12 meshing removes to drive 7 synchronous motion of second connecting piece.

As an embodiment of the present invention, the first connecting member 5 and the second connecting member 7 slide with the sewing machine panel 1 through the first guide assembly 10 and the second guide assembly 11, respectively.

As an embodiment of the utility model, the utility model also provides a sewing machine, sewing machine includes the aforesaid receipts exhibition mechanism.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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

1. A folding and unfolding mechanism is arranged on a sewing machine panel (1), and is characterized by comprising a first extension plate (2) and a second extension plate (3) which are hinged on the sewing machine panel (1), wherein the first extension plate (2) and the second extension plate (3) are respectively positioned on two mutually vertical side edges of the sewing machine panel (1);

the second extension plate (3) is provided with a first connecting rod assembly, the first connecting rod assembly is connected with a driving assembly arranged on the sewing machine panel (1), and the driving assembly drives the second extension plate (3) to rotate through a first connecting rod assembly;

the first connecting rod assembly is connected with a second connecting rod assembly mounted on the first extension plate (2) through a transmission assembly, and when the first connecting rod assembly moves under the action of the driving assembly, the second connecting rod assembly is driven to move synchronously through the transmission assembly.

2. A stowing and unfolding mechanism according to claim 1 and characterised in that said first link assembly comprises a first link (5) connected to said drive assembly, said first link (5) being hinged to said second extension plate (3) by at least one first link (6) hinged thereto, said drive assembly driving said first link (5) in a linear movement.

3. A mechanism according to claim 2, wherein said driving assembly comprises an electric telescopic rod (4), an air cylinder or a hydraulic cylinder mounted on said sewing machine panel (1), and the movable end of said electric telescopic rod (4), said air cylinder or said hydraulic cylinder is fixedly connected with said first connecting member (5).

4. A mechanism according to claim 2, wherein the drive assembly comprises a motor (15) mounted on the sewing machine panel (1), the output shaft of the motor (15) being fixedly connected to a threaded rod (18) rotating on the sewing machine panel (1), the end of the threaded rod (18) remote from the motor (15) being inserted in a threaded sleeve (16) fixed to the first connecting member (5) and being in threaded connection with the threaded sleeve (16).

5. A mechanism according to claim 2, wherein said second linkage assembly comprises a second link member (7) connected to said transmission assembly, said second link member (7) being hinged to said first extension plate (2) by at least one second link rod (8) hinged thereto.

6. A mechanism according to claim 5, wherein the transmission assembly comprises two driving rack plates (9) and driven rack plates (13) which are perpendicular to each other and are fixedly connected with the first connecting piece (5) and the second connecting piece (7) respectively, the driving rack plates (9) are meshed with a driving gear (14) which rotates on the sewing machine panel (1), the driven rack plates (13) are meshed with a driven gear (12), and the driven gear (12) is coaxially arranged with the driving gear (14).

7. A mechanism according to claim 6, characterized in that said first (5) and second (7) links slide with said sewing machine panel (1) through a first (10) and second (11) guide assembly, respectively.

8. A sewing machine comprising a retractor according to any of claims 1 to 7.