CN211522541U

CN211522541U - Electric control protective cover structure of sewing machine

Info

Publication number: CN211522541U
Application number: CN201922422704.9U
Authority: CN
Inventors: 叶海波; 王汝仁
Original assignee: Zhejiang Maqi Sewing Machine Co Ltd
Current assignee: Meiji Technology Group Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-09-18
Anticipated expiration: 2029-12-28

Abstract

The utility model provides an automatically controlled safety cover structure of sewing machine belongs to sewing machine accessory technical field. The sewing machine electric control interface contact failure device solves the technical problems that a sewing machine is poor in operation stability, inconvenient in electric control maintenance and the like. The sewing machine comprises a machine shell, the electric control protection cover structure comprises an electric cabinet and a protection cover shell, the electric cabinet is fixedly arranged at one end of the machine shell, the protection cover shell is connected onto the electric cabinet, cavities between the electric cabinet and the protection cover shell are communicated, one end of the electric cabinet protrudes out of one side face of the machine shell, the end of the electric cabinet is hinged to one end of the protection cover shell, the inner side of the protection cover shell is provided with an opening, the protection cover shell can swing towards the side face of the machine shell, and a positioning assembly used for locking the protection cover shell is arranged between the other end of the protection. The utility model discloses in set up the protecting cover body, can effectively solve because of the line hair leads to the problem of automatically controlled interface contact failure with the collision, improved the stability of sewing machine operation and the convenience of automatically controlled maintenance.

Description

Electric control protective cover structure of sewing machine

Technical Field

The utility model belongs to the technical field of sewing machine accessories, a automatically controlled safety cover structure of sewing machine is related to.

Background

Along with the development of science and technology, sewing machine also develops present automatic sewing machine by the earliest simple and easy money, automatic sewing machine's automatically controlled interface is more, sewing speed is fast, the line hair that produces is also more, these line hairs can fly into the interface, it is possible to touch the interface to empty the aircraft nose when maintaining automatically controlled, these all can lead to interface in use to appear contact failure's problem, influence sewing machine's normal use, not only increased sewing machine's cost of maintenance, still reduced the stability of complete machine operation in-process.

Chinese patent (publication number: CN 201424570Y; publication date: 2013-12-18) discloses an external-free electric control sewing machine, which consists of a sewing machine and a servo motor, wherein the main shaft of the sewing machine is provided with the servo motor, and the servo motor is externally provided with a servo motor cover and a motor hand wheel; the rear part of the sewing machine is provided with a controller box, an electronic controller is arranged in the controller box, and an aluminum alloy rear cover plate is attached to the rear part of the electronic controller.

The controller box is arranged in the no-external electric control sewing machine disclosed by the patent document, but the electric control interface is inconvenient to overhaul when the electric control interface goes wrong, and the electric control overhaul or maintenance progress of the sewing machine is influenced.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a sewing machine's automatically controlled safety cover structure, the utility model aims to solve the technical problem that: how to improve the stability of the operation of the sewing machine and the convenience of electric control maintenance.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a sewing machine's automatically controlled safety cover structure, sewing machine includes the casing, its characterized in that, automatically controlled safety cover structure is including setting firmly the electric cabinet and the connection of casing one end are in protection housing on the electric cabinet, all have cavity and cavity between them in electric cabinet and the protection housing and be linked together, the one end protrusion of electric cabinet in one side of casing and this end with the one end of protection housing is articulated mutually, the inboard of protection housing has the opening just the protection housing can move towards casing side direction swing, the other end of protection housing with be equipped with between the casing and be used for with the locating component of protection housing locking.

The working principle is as follows: the locating component who sets up among this technical scheme fixes the protective housing on the casing, the protective housing can cover the interface of automatically controlled device with the cooperation of casing outer wall, prevent effectively that the line hair from getting into the interface of automatically controlled device, the protective housing is articulated mutually with the automatically controlled case, when needing to overhaul automatically controlled device, can remove the protective housing and pass through locating component's with the casing and be connected, just can overhaul automatically controlled device and interface with the protective housing around the pin joint swing, interface and bottom plate contact and the problem of contact failure appears when can not appearing overhauing, the convenience of automatically controlled maintenance has improved, protective housing passes through locating component rigid coupling with the casing at ordinary times, the setting of protective housing, the stability of sewing machine operation has been improved.

In the electric control protective cover structure of the sewing machine, the protective cover casing comprises a plate body II which is vertically arranged, a plate body III and a plate body IV which are arranged on the upper side and the lower side of the plate body II and are turned inwards, and a plate body I which is arranged on one end of the plate body II and is turned inwards; the first plate body, the third plate body and the fourth plate body surround to form the cavity; the other end of the second plate body is hinged with the electric control box, the end edges of the third plate body and the fourth plate body can be abutted against the electric control box, and the inner side edges of the first plate body, the third plate body and the fourth plate body can be abutted against the side face of the casing. The third plate body and the fourth plate body are transverse, the first plate body, the second plate body, the third plate body and the fourth plate body are integrally formed, the first plate body is perpendicular to the second plate body, the third plate body and the fourth plate body are fixedly arranged on the upper side and the lower side of the second plate body at intervals in parallel, the first plate body, the third plate body and the four sides of the plate body on the protective housing all abut against the casing, and therefore the protective housing can prevent thread wool from flying into the electric cabinet, and guarantee is provided for the stability of operation of the sewing machine.

In the electric control protective cover structure of the sewing machine, at least one vertical bolt is fixedly arranged on the end edge of the second plate body, a positioning column corresponding to the bolt is fixedly arranged on one side edge of one end of the electric cabinet, the upper end of the positioning column is of a hollow structure, and the lower end of the bolt is inserted into the positioning column. The first plate body, the second plate body, the third plate body and the fourth plate body are all arranged in a rectangular mode, and the number of the bolts is preferably two and arranged at intervals from top to bottom. The protective housing and the electric cabinet are hinged through the bolt and the positioning column, the structure is simple, when the protective housing is fixedly connected with the machine shell, the gap between the bolt and the positioning column is small, and the thread hair is not easy to enter the protective housing and the electric cabinet through the gap.

In the electric control protective cover structure of the sewing machine, a convex circular truncated cone is arranged on the side surface of the first plate body facing the cavity, a through hole along the axial direction of the circular truncated cone is formed in the circular truncated cone, and the through hole extends to the other side surface of the first plate body; the positioning assembly comprises a positioning rod, a reset spring, a clamp spring and a mounting frame fixedly arranged on the shell, the positioning rod comprises a cap body and a rod body, one end of the rod body is fixedly connected with one side of the cap body, a clamping groove is formed in the peripheral surface of the other end of the rod body, the rod body is arranged in the through hole in a penetrating mode, the clamp spring is clamped on the clamping groove of the rod body, the reset spring is sleeved on the rod body, and two ends of the reset spring are respectively abutted to the end face of the circular truncated cone and the clamp spring; the mounting rack is provided with a waist-shaped hole for inserting the end part of the rod body. Positioning assembly simple structure is reliable among this technical scheme, moreover can be quick break away from mounting bracket or lock joint on the mounting bracket with the locating lever, conveniently opens and fixes the protection housing, improves the efficiency that automatically controlled overhauld.

In the electric control protective cover structure of the sewing machine, the mounting frame is arranged in an L shape, one end of the mounting frame is fixed on the shell through a fixing screw, and the waist-shaped hole is transversely formed in the other end of the mounting frame. The mounting rack is simple in structure and is matched with the positioning component to position the protective housing firmly, the protective housing is prevented from being far away from the shell due to vibration, and guarantee is provided for normal operation of the sewing machine.

In the electric control protective cover structure of the sewing machine, the side surface of the first plate body is provided with a groove sunken towards the cavity, and the bottom surface of the groove is an inclined surface inclined towards the inner side of the second plate body. The arrangement of the groove is convenient for fingers to be put in, and the protective cover shell is convenient to open or close.

In the electric control protective cover structure of the sewing machine, the first plate body is provided with the thread passing groove at a position close to the lower end, and the notch of the thread passing groove is positioned at one side of the first plate body facing the shell. The wire passing groove is used for passing through an electric wire connected with the electric control device.

In the above electrically controlled protective cover structure of the sewing machine, the protective cover casing is made of plastic or metal. The plastic or metal material has good plasticity after hot melting, and the general plastic or metal material has high hardness, so that the electric control device and the electric control interface can be well protected.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model provides a locating component and mounting bracket simple structure, it is with low costs, the two cooperation is fixed the protection housing comparatively firmly on the casing, and locating component breaks away from the mounting bracket also very convenient, facilitates for the maintenance of automatically controlled device.

2. The utility model provides a protection housing covers the interface of automatically controlled device with the casing cooperation, prevents that the line hair from getting into in the automatically controlled interface, when needing to overhaul automatically, opens the protection housing and can overhaul automatically controlled device and automatically controlled interface, has improved the convenience of automatically controlled maintenance, has also improved the stability of sewing machine operation.

Drawings

Fig. 1 is a front view of the electrically controlled protective cover structure in installation and use.

Fig. 2 is a top view of the electrically controlled protective cover structure when it is installed and used.

Fig. 3 is an exploded view of the present electrically controlled protective cover structure.

Fig. 4 is a schematic structural diagram of a protective cover in the structure of the electrically controlled protective cover.

Fig. 5 is a front view of a first plate body in the electric control protection cover structure.

In the figure, 1, a housing; 11. a mounting frame; 11a, a kidney-shaped hole; 2. an electric cabinet; 21. a positioning column; 3. a protective housing; 31. a first plate body; 31a, a groove; 31b, a circular table; 31b1, through holes; 31c, a wire passing groove; 32. a second plate body; 32a, a bolt; 33. a third plate body; 34. a plate body IV; 4. a cavity; 5. a positioning assembly; 51. positioning a rod; 51a, a cap body; 51b, a rod body; 51b1, card slot; 52. a return spring; 53. a clamp spring; 6. and fixing the screw.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, the sewing machine in this embodiment includes a machine case 1, the electric control protective cover structure includes an electric control box 2 and a protective cover 3, the protective cover 3 is made of plastic or metal material, the electric control box 2 is fixedly arranged at one end of the machine case 1 having a machine head, one end of the electric control box 2 protrudes out of one side surface of the machine case 1 and is hinged with one end of the protective cover 3, the inner side of the protective cover 3 has an opening and the protective cover 3 can swing towards the side surface direction of the machine case 1, a positioning component 5 is arranged between the other end of the protective cover 3 and the machine case 1, and the positioning component 5 is matched with an installation frame 11 to fix the protective cover 3 on the machine case 1; all have cavity 4 and cavity 4 between them and be linked together in electric cabinet 2 and the protection housing 3, have electric control device in the cavity 4 of electric cabinet 2, and the cavity 4 of protection housing 3 can hold and protect the interface of electric control device, has set firmly mounting bracket 11 through set screw 6 on the casing 1.

Further, as shown in fig. 3 and 4, the protective housing 3 includes a first plate body 31, a second plate body 32, a third plate body 33 and a fourth plate body 34 which are integrally formed, the second plate body 32 is vertically disposed, the first plate body 31 is located at one end of the second plate body 32 and is turned inwards, the third plate body 33 and the fourth plate body 34 are located at the upper side and the lower side of the second plate body 32 and are turned inwards, and the first plate body 31, the third plate body 33 and the fourth plate body 34 surround to form a cavity 4 of the protective housing 3; when the protective housing 3 swings around the hinge shaft to be connected with the casing 1, the end edges of the third plate body 33 and the fourth plate body 34 can abut against the electric cabinet 2, and the inner side edges of the first plate body 31, the third plate body 33 and the fourth plate body 34 can abut against the side surface of the casing 1. Further, the first plate body 31, the second plate body 32, the third plate body 33 and the fourth plate body 34 are all arranged in a rectangular shape, the first plate body 31 and the second plate body 32 are at the same height, the third plate body 33 and the fourth plate body 34 are at the same length as the second plate body 32, the third plate body 33 and the fourth plate body 34 are at the same width as the first plate body 31, the electric cabinet 2, the protective housing 3 and the casing 1 form a relatively closed space, and therefore line hair is prevented from flying into the electric control interface.

Further, as shown in fig. 3 and 4, at least one vertical bolt 32a is fixedly arranged on the end edge of the second plate body 32, a positioning column 21 is fixedly arranged on one end side of the electric cabinet 2, an insertion rod is arranged at the lower end of the bolt 32a, a positioning hole into which the insertion rod of the bolt 32a is inserted is formed in the upper end of the positioning column 21, the number of the bolts 32a can be two, three or four, the number of the corresponding positioning columns 21 is two, three or four, the number of the bolts 32a is preferably two, the number of the positioning columns 21 is also preferably two, and the two bolts 32a are vertically arranged at intervals and inserted into the corresponding positioning columns 21; the side surface of the plate body 31 facing the cavity 4 is provided with a convex circular truncated cone 31b, the circular truncated cone 31b is provided with a through hole 31b1 along the axial direction thereof, the through hole 31b1 extends to the other side surface of the plate body 31, the positioning assembly 5 comprises a positioning rod 51 and a return spring 52, the clamp spring 53 and the mounting frame 11 fixedly arranged on the machine shell 1, the positioning rod 51 comprises a cake-shaped cap body 51a and a cylindrical rod body 51b, the cap body 51a and the rod body 51b are integrally formed, one end of the rod body 51b is fixedly connected with the center of one side of the cap body 51a, a clamping groove 51b1 is formed in the position, close to the other end, of the rod body 51b, the rod body 51b penetrates through a through hole 31b1 of the circular table 31b, the clamp spring 53 is clamped in a clamping groove 51b1 of the rod body 51b, the reset spring 52 is sleeved on the rod body 51b, two ends of the reset spring abut against the end of the circular table 31b and one side of the clamp spring 53; the mounting rack 11 is L-shaped, and one end of the mounting rack 11 is fixed on the machine shell 1 through a fixing screw 6; the other end of mounting bracket 11 has the waist type hole 11a that the tip of confession body of rod 51b was inserted and is established, when protection housing 3 and casing 1 looks rigid coupling, the tip of locating lever 51 is pegged graft in waist type hole 11a, when needing to overhaul, outwards draw the cap body 51a, reset spring 52 is compressed, the tip of the body of rod 51b breaks away from waist type hole 11a, can make protection housing 3 swing around the pin joint, release locating lever 51, reset spring 52 will drive locating lever 51 and reset, insert again in waist type hole 11a of dress frame 11, locking protection housing 3.

Further, as shown in fig. 3 to 5, a groove 31a is formed on the outer side of the first plate 31 in the protective cover 3, the groove 31a on the first plate 31 is located above the through hole 31b1 on the first plate 31, the bottom surface of the groove 31a is an inclined surface inclined toward the inner side of the second plate 32, and a finger can be placed in the groove 31a, so that the protective cover 3 can be opened and closed conveniently; the position on the first plate body 31 close to the lower end is provided with a wire passing groove 31c which penetrates through the protective housing 3, and the notch of the wire passing groove 31c is positioned on the end surface of the first plate body 31 abutting against the outer wall of the machine shell 1.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. An electric control protective cover structure of a sewing machine, the sewing machine comprises a machine shell (1) and is characterized in that, the electric control protective cover structure comprises an electric control box (2) fixedly arranged at one end of the machine shell (1) and a protective cover shell (3) connected to the electric control box (2), the electric control box (2) and the protective cover shell (3) are both provided with a cavity (4) and the cavities (4) of the electric control box and the protective cover shell are communicated, one end of the electric control box (2) protrudes out of the side surface of one side of the shell (1) and is hinged with one end of the protective cover shell (3), the inner side of the protective cover (3) is provided with an opening, the protective cover (3) can swing towards the side surface direction of the machine shell (1), and a positioning component (5) used for locking the protective cover shell (3) is arranged between the other end of the protective cover shell (3) and the machine shell (1).

2. An electrically controlled protective cover structure for a sewing machine according to claim 1, wherein the protective cover case (3) comprises a second plate body (32) vertically arranged, a third plate body (33) and a fourth plate body (34) both of upper and lower sides of the second plate body (32) being turned inside, and a first plate body (31) one end of the second plate body (32) being turned inside; the first plate body (31), the third plate body (33) and the fourth plate body (34) surround to form the cavity (4); the other end of the second plate body (32) is hinged to the electric cabinet (2), the end edges of the third plate body (33) and the fourth plate body (34) can abut against the electric cabinet (2), and the inner side edges of the first plate body (31), the third plate body (33) and the fourth plate body (34) can abut against the side face of the casing (1).

3. The electric control protective cover structure of the sewing machine according to claim 2, characterized in that at least one vertical bolt (32a) is fixedly arranged on the end edge of the second plate body (32), a positioning column (21) corresponding to the bolt (32a) is fixedly arranged on one end side of the electric cabinet (2), the upper end of the positioning column (21) is of a hollow structure, and the lower end of the bolt (32a) is inserted into the positioning column (21).

4. An electrically controlled protective cover structure for a sewing machine according to claim 2 or 3, wherein the side of the first plate body (31) facing the cavity (4) is provided with a convex circular truncated cone (31b), the circular truncated cone (31b) is provided with a through hole (31b1) along the axial direction thereof, and the through hole (31b1) extends to the other side of the first plate body (31); the positioning assembly (5) comprises a positioning rod (51), a reset spring (52), a clamp spring (53) and a mounting frame (11) fixedly arranged on the machine shell (1), the positioning rod (51) comprises a cap body (51a) and a rod body (51b), one end of the rod body (51b) is fixedly connected with one side of the cap body (51a), a clamp groove (51b1) is formed in the peripheral surface of the other end of the rod body (51b), the rod body (51b) penetrates through the through hole (31b1), the clamp spring (53) is clamped in the clamp groove (51b1) of the rod body (51b), the reset spring (52) is sleeved on the rod body (51b), and two ends of the reset spring are respectively abutted against the end surface of the circular table (31b) and the clamp spring (53); the mounting rack (11) is provided with a waist-shaped hole (11a) for the end part of the rod body (51b) to be inserted.

5. An electrically controlled protective cover structure for sewing machines according to claim 4, characterized in that said mounting bracket (11) is provided in an L-shape, one end of said mounting bracket (11) is fixed to said machine housing (1) by means of a fixing screw (6), and said waist-shaped hole (11a) is provided transversely to the other end of said mounting bracket (11).

6. An electrically controlled protective cover structure for a sewing machine according to claim 2 or 3, wherein the first plate (31) has a recess (31a) on a side surface thereof which is recessed toward the cavity (4), and a bottom surface of the recess (31a) is a slope inclined toward an inner side of the second plate (32).

7. An electrically controlled protective cover structure for a sewing machine according to claim 2 or 3, wherein a thread passing groove (31c) is formed on the first plate body (31) near the lower end, and the notch of the thread passing groove (31c) is located on the side of the first plate body (31) facing the machine case (1).

8. Electronically controlled protective cover structure for sewing machines according to claim 1, 2 or 3, characterized in that said protective cover (3) is made of plastic or metal.