CN213447559U

CN213447559U - Pressing device of presser foot of non-woven fabric processing sewing machine

Info

Publication number: CN213447559U
Application number: CN202022414877.9U
Authority: CN
Inventors: 曹维臣
Original assignee: Yongqing Minghao Auto Accessories Co ltd
Current assignee: Yongqing Minghao Auto Accessories Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-15
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a closing device of non-woven fabrics processing sewing machine presser foot, including the sewing machine main part, the erection column, installation cover and presser foot, the upper end and the sewing machine main part fixed connection of erection column, the lower extreme and the presser foot fixed connection of installation cover, erection column and installation cover sliding connection, the inside of erection column is provided with the backup pad, the welding of the both ends of backup pad has first spring, the side sliding connection of erection column has the fixed plate, the fixed plate is through first spring and erection column elastic connection, the welding of the bottom of installation cover has the second spring, the upper end of second spring is provided with the locating plate, the locating plate passes through second spring elastic connection with the installation cover, the medial surface of installation cover is provided with the slide rail, the side end face of locating plate is provided with the spout, the locating plate passes through spout and slide rail cooperation. The utility model discloses make the installation of sewing machine presser foot and change whole can the one-hand operation completion, promoted the change efficiency of sewing machine presser foot greatly.

Description

Pressing device of presser foot of non-woven fabric processing sewing machine

Technical Field

The utility model belongs to the technical field of the sewing machine, specifically be a closing device of non-woven fabrics processing sewing machine presser foot.

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 the sewing material 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, plastic, paper and the like, the sewn stitches are neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, and artistic forms such as hand-push embroidery computer embroidery and the like are derived.

The utility model discloses a closing device of sewing machine presser foot in notice number CN210481687U, including the sewing machine body, sewing machine body bottom outer wall has the erection column through the bolt fastening, and the both sides outer wall of erection column all sets up flutedly, two the inner wall of recess all is provided with installation mechanism, the outer wall of erection column is fixed with the installation cover through two installation mechanisms, installation mechanism includes magnet, and the both sides inner wall of recess has all seted up the spout, the both sides outer wall sliding connection of magnet is on the inner wall of two spouts, and one side outer wall of magnet has the second spring through the bolt fastening, one side inner wall of recess has the electro-magnet through the bolt fastening, the one end of second spring is passed through the bolt fastening on the electro-magnet.

Above-mentioned disclosed closing device of sewing machine presser foot, the device comes to fix the erection column through the flexible of electro-magnet control pillar, because erection column inner space is narrow and small, interval between two electro-magnets is less than the interval between electro-magnet and the magnet, lead to magnetic field interference serious, make the unable normal dismantlement of presser foot or installation, and its position sleeve passes through spring and mount seat cover elastic connection, the position sleeve can produce when leading to the presser foot installation and rock, the erection column can't effectively align with the mount sleeve, greatly reduced the installation effectiveness of presser foot.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a closing device of non-woven fabrics processing sewing machine presser foot to solve the lower problem of sewing machine presser foot installation effectiveness among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a closing device of non-woven fabrics processing sewing machine presser foot, includes sewing machine main part, erection column, installation cover and presser foot, the upper end and the sewing machine main part fixed connection of erection column, the lower extreme and the presser foot fixed connection of installation cover, erection column and installation cover sliding connection, the inside of erection column is provided with the backup pad, the welding of the both ends of backup pad has first spring, the side sliding connection of erection column has the fixed plate, the fixed plate passes through first spring and erection column elastic connection, the welding of the bottom of installation cover has the second spring, the upper end of second spring is provided with the locating plate, the locating plate passes through second spring elastic connection with the installation cover, the medial surface of installation cover is provided with the slide rail, the side end face of locating plate is provided with the spout, the locating plate passes through spout and slide rail cooperation sliding connection with the installation cover.

Preferably, the side end face of the fixed plate is provided with an upper fixing column, a lower fixing column and a pressing block, the side view distance between the upper fixing column and the lower fixing column is equal to the wall thickness of the installation sleeve, and the upper end face of the installation sleeve is firmly clamped by the upper fixing column and the lower fixing column, so that the installation column is fixedly connected with the installation sleeve.

Preferably, the side end face of the lower fixing column is an arc-shaped face, when the mounting column is inserted into the mounting sleeve, the side end face of the lower fixing column is extruded on the inner side of the upper end face of the mounting sleeve, the lower fixing column is extruded inwards, the fixing plate and the supporting plate extrude the first spring, when the lower fixing column completely enters the mounting sleeve, the fixing plate rebounds under the reset action of the first spring, the lower fixing column is popped up, the upper end face of the lower fixing column is attached to the inner end face of the mounting sleeve, the lower end face of the upper fixing column is attached to the outer end face of the mounting sleeve, and therefore the mounting sleeve is fixed.

Preferably, the length of looking sideways at of last fixed column is greater than the length of looking sideways at of lower fixed column, the length of looking sideways at according to the briquetting is greater than the length of looking sideways at of last fixed column, when guaranteeing that lower fixed column is extrudeed completely to the erection column in, the last fixed column still protrudes, can not lead to the upper fixed plate to insert in the erection sleeve.

Preferably, the slide rail is the vertical stainless steel piece of rectangle form, the spout is the vertical notch of rectangle form, and the locating plate carries out vertical direction motion through spout and slide rail cooperation with the installation cover, ensures that the locating plate can not the horizontal direction rock to it effectively fixes a position to have avoided the erection column can't insert in the locating plate.

Preferably, the second spring is symmetrical about the overlooking center of the mounting sleeve, the second spring is uniformly welded on the lower end face of the mounting sleeve, when the mounting column is inserted into the mounting sleeve, the positioning plate extrudes the second spring, and after the pressing block is pressed down, the mounting sleeve is rapidly popped out under the resetting action of the second spring, so that the single-hand operation is realized, and the replacement efficiency of the presser foot of the sewing machine is greatly improved.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an it is fixed with the installation cover that the cooperation of last fixed column and lower fixed column, the fixed plate of the arc structure cooperation elastic connection of lower fixed column side end face makes the erection column insert and can accomplish the interlocking in the installation cover, through elastic connection locating plate and slide rail cooperation, has not only strengthened the fixed strength of erection column and installation cover, and has made the installation of sewing machine presser foot and changed whole can the one-hand operation completion, has promoted the change efficiency of sewing machine presser foot greatly.

Drawings

FIG. 1 is a side cross-sectional view of the mounting sleeve of the present invention;

fig. 2 is a schematic view of a partial structure of the present invention.

In the figure: the sewing machine comprises a sewing machine main body 1, a mounting column 2, a mounting sleeve 3, a presser foot 4, a fixing plate 21, a pressing block 211, an upper fixing column 212, a lower fixing column 213, a support plate 22, a first spring 23, a sliding rail 31, a sliding chute 311, a positioning plate 32 and a second spring 33.

Detailed Description

Referring to fig. 1 and 2, a presser device for a presser foot of a non-woven fabric processing sewing machine comprises a sewing machine body 1, a mounting post 2, mounting sleeve 3 and presser foot 4, the upper end and the sewing machine main part 1 fixed connection of erection column 2, the lower extreme and the presser foot 4 fixed connection of mounting sleeve 3,

erection column

2 and 3 sliding connection of mounting sleeve, the inside welding of erection column 2 has backup pad 22, the welding of the both ends of backup pad 22 has first spring 23, the side sliding connection of erection column 2 has fixed plate 21, fixed plate 21 has fixed plate 21 through

first spring

23 and 2 elastic connection of erection column, the welding of the bottom of mounting sleeve 3 has second spring 33, the welding of the upper end of second spring 33 has locating plate 32, locating plate 32 and mounting sleeve 3 pass through second spring 33 elastic connection, the welding of the medial extremity face of mounting sleeve 3 has slide rail 31, spout 311 has been seted up to the side end face of locating plate 32, locating plate 32 and mounting sleeve 3 pass through spout 311 and slide rail 31 cooperation sliding connection.

Referring to fig. 1, an upper fixing column 212, a lower fixing column 213 and a pressing block 211 are welded on a side end face of the fixing plate 21, a side view distance between the upper fixing column 212 and the lower fixing column 213 is equal to a wall thickness of the mounting sleeve 3, the upper end face of the mounting sleeve 3 is firmly clamped by the upper fixing column 212 and the lower fixing column 213, so that the mounting column 2 and the mounting sleeve 3 are fixedly connected, the side end face of the lower fixing column 213 is an arc-shaped face, when the mounting column 2 is inserted into the mounting sleeve 3, the side end face of the lower fixing column 213 is pressed on an inner side of an upper end face of the mounting sleeve 3, the lower fixing column 213 is pressed inwards, so that the fixing plate 21 and the supporting plate 22 press the first spring 23, when the lower fixing column 213 completely enters the mounting sleeve 3, the fixing plate 21 rebounds under a restoring action of the first spring 23, so that the lower fixing column 213 pops up, the upper end face of the lower fixing column 213 is attached to, thereby it is fixed with installing cover 3, and the length of looking sideways at of upper fixing column 212 is greater than the length of looking sideways of lower fixing column 213, and the length of looking sideways at of pressing block 211 is greater than the length of looking sideways at of upper fixing column 212, ensures that lower fixing column 213 is when being extrudeed completely to the installing column 2 in, and upper fixing column 212 still protrudes, can not lead to upper fixing plate 21 to insert in installing cover 3.

Referring to fig. 1, the slide rail 31 is a rectangular vertical stainless steel block, the slide groove 311 is a rectangular vertical notch, the positioning plate 32 and the mounting sleeve 3 move in the vertical direction through the cooperation of the slide groove 311 and the slide rail 31, it is ensured that the positioning plate 32 does not shake in the horizontal direction, thereby preventing the mounting post 2 from being inserted into the positioning plate 32 for effective positioning, the second spring 33 is symmetrical about the overlooking center of the mounting sleeve 3, the second spring 33 is uniformly welded on the lower end surface of the mounting sleeve 3, when the mounting post 2 is inserted into the mounting sleeve 3, the positioning plate 32 extrudes the second spring 33, after the pressing block 211 is pressed, the mounting sleeve 3 rapidly pops out under the resetting action of the second spring 33, and the replacing efficiency of the presser foot 4 of the sewing machine is greatly improved by one-handed operation.

The working principle of the scheme is as follows: the utility model discloses when using, when needing to be changed sewing machine presser foot 4, at first through forefinger and thumb extrusion pressing block 211, old presser foot 4 pops out under the reset action of second spring 33, then upwards insert new presser foot 4's installation cover 3 on erection column 2, fixed column 213's side end face under the upper end face inboard extrusion of installation cover 3, fixed column 213 extrudees downwards, make fixed plate 21 and backup pad 22 extrude first spring 23, when treating that fixed column 213 gets into in the installation cover 3 completely, fixed plate 21 kick-backs under the reset action of first spring 23, make fixed column 213 pop out down, the up end of lower fixed column 213 and the interior terminal surface laminating of installation cover 3, the lower terminal surface of last fixed column 212 and the outer terminal surface laminating of installation cover 3, thereby it is fixed to overlap 3 with installing.

The utility model discloses an it is fixed with installing sleeve 3 that last fixed column 212 and lower fixed column 213 cooperate, the fixed plate 21 of arc structure cooperation elastic connection of lower fixed column 213 side end face makes the erection column 2 insert and can accomplish the interlocking in the installing sleeve 3, through the cooperation of elastic connection locating plate 32 and slide rail 31, not only strengthened the fixed strength of erection column 2 with installing sleeve 3, and make sewing machine presser foot 4 installation and change whole journey can one-hand operation accomplish, promoted sewing machine presser foot 4's change efficiency greatly.

Claims

1. The utility model provides a closing device of non-woven fabrics processing sewing machine presser foot, includes sewing machine main part (1), erection column (2), installation cover (3) and presser foot (4), its characterized in that: the upper end of the mounting column (2) is fixedly connected with the sewing machine main body (1), the lower end of the mounting sleeve (3) is fixedly connected with the presser foot (4), the mounting column (2) is connected with the mounting sleeve (3) in a sliding manner, a supporting plate (22) is arranged inside the mounting column (2), first springs (23) are welded at two ends of the supporting plate (22), a fixing plate (21) is connected to the side surface of the mounting column (2) in a sliding manner, the fixing plate (21) is elastically connected with the mounting column (2) through the first springs (23), a second spring (33) is welded at the bottom of the mounting sleeve (3), a positioning plate (32) is arranged at the upper end of the second spring (33), the positioning plate (32) is elastically connected with the mounting sleeve (3) through the second spring (33), a sliding rail (31) is arranged on the inner side end surface of the mounting sleeve (3), and a sliding groove (311) is arranged on the side end surface, the positioning plate (32) and the mounting sleeve (3) are in matched sliding connection with the sliding rail (31) through a sliding groove (311).

2. The presser device of claim 1, wherein: an upper fixing column (212), a lower fixing column (213) and a pressing block (211) are arranged on the side end face of the fixing plate (21), and the side view spacing between the upper fixing column (212) and the lower fixing column (213) is equal to the wall thickness of the mounting sleeve (3).

3. The presser device of claim 2, wherein: the side end face of the lower fixing column (213) is an arc-shaped face.

4. The presser device of claim 2, wherein: the side length of the upper fixing column (212) is greater than that of the lower fixing column (213), and the side length of the pressing block (211) is greater than that of the upper fixing column (212).

5. The presser device of claim 1, wherein: the slide rail (31) is a rectangular vertical stainless steel block, and the slide groove (311) is a rectangular vertical notch.

6. The presser device of claim 1, wherein: the second spring (33) is symmetrical about the center of the overlooking plane of the mounting sleeve (3), and the second spring (33) is uniformly welded on the lower end face of the mounting sleeve (3).