CN211546868U

CN211546868U - Anti-drop sewing machine pressure bullet device

Info

Publication number: CN211546868U
Application number: CN201922082545.2U
Authority: CN
Inventors: 黄益品; 池也; 杨寿敏; 谢芙蓉
Original assignee: Zhejiang Giuseppe Garment Co ltd
Current assignee: Zhejiang Giuseppe Garment Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-09-22
Anticipated expiration: 2029-11-27

Abstract

The application discloses anti-drop sewing machine pressure bullet device, including presser foot handle, first briquetting, second briquetting and spring, be provided with the open slot on the presser foot handle, the spring is located the open slot, spring one end supports the presser foot handle, and the spring other end supports first briquetting and second briquetting, still includes the round axle pin, the both ends of round axle pin are provided with the screw, and the section department of round axle pin has seted up the hexagonal counter bore, be provided with the screw on the presser foot handle, all be provided with the round pinhole on first briquetting and the second briquetting, set up the screw of through type on the both sides cell wall of open slot, the diameter of round pinhole equals the diameter of round axle pin, the screw on the screw at round axle pin both ends and the open slot is joined in marriage together, the round axle pin runs through round pinhole on first briquetting and the second briquetting.

Description

Anti-drop sewing machine pressure bullet device

Technical Field

The utility model relates to a clothing production apparatus field especially relates to an anti-drop sewing machine pressure bullet device.

Background

Patent CN 208455207U provides a presser foot for protecting hands of workers, but the presser foot handle (reference number 10 in the literature) is rotationally matched with a first bottom plate (reference number 20) and a second bottom plate (reference number 30) through 2 screws, and the presser foot with such a structure has a problem in practical use, namely two screws need to be screwed during assembly, the screwing degree of the two screws is highly related to the experience of an operator, and an inexperienced operator can easily screw the first bottom plate and the presser foot or the second bottom plate and the presser foot too tightly to cause blocking.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, a anti-drop sewing machine pressure bullet device is proposed.

The utility model adopts the following technical scheme:

the utility model provides an anti-drop sewing machine pressure bullet device, includes presser foot handle, first briquetting, second briquetting and spring, be provided with the open slot on the presser foot handle, the spring is located the open slot, spring one end supports the presser foot handle, and the spring other end supports first briquetting and second briquetting, still includes the round axle pin, the both ends of round axle pin are provided with the screw, and the hexagonal counter bore has been seted up to the section department of round axle pin, be provided with the screw on the presser foot handle, all be provided with the round pinhole on first briquetting and the second briquetting, set up the screw of run-through on the both sides cell wall of open slot, the diameter of round pinhole equals the diameter of round axle pin, the screw at round axle pin both ends is in the same place with the screw cooperation on the open slot, the round axle pin runs through round pinhole on first briquetting and the second briquetting.

According to the device, the round pin holes are formed in the first pressing block and the second pressing block, the screw holes are formed in the open slot, and the first pressing block, the second pressing block and the presser foot handle are connected together by utilizing the connection effect of the two ends of the round pin, so that the first pressing block, the presser foot handle, the second pressing block and the presser foot handle can smoothly rotate without being blocked.

The hexagonal counter bore is used for facilitating the inner hexagonal wrench to twist the round shaft pin.

Optionally, the first pressing block is provided with a first connecting portion, the second pressing block is provided with a second connecting portion, and the first connecting portion and the second connecting portion are mutually clamped together. The first connecting portion and the second connecting portion are provided with the round pin holes.

Optionally, circular counter bores are formed in the first connecting portion and the second connecting portion, circular guide pillars are arranged in the opening grooves of the presser foot handles, the springs are sleeved on the circular guide pillars, and one ends of the springs are located in the circular counter bores.

The purpose of setting up the circle guide pillar is for making things convenient for the card spring, and for the both ends that patent CN 208455207U adopted all adopt the connected mode of counter bore, the mode cooperation of one end counter bore one end guide pillar is more stable.

Optionally, the sewing machine further comprises a pressure rod, one end of the pressure rod is rotationally matched with the pressure foot handle, the other end of the pressure rod props against the first pressing block, and a sewing part is formed between the first pressing block and the second pressing block.

Optionally, the presser foot handle is provided with a mounting groove and a U-shaped limiting opening.

Optionally, a height difference exists between the first pressing block and the second pressing block.

Optionally, the pressure bar is a pressure bar shaped like a Chinese character 'hakou', a round hole is formed in the pressure foot handle, one end of the pressure bar is rotationally matched with the round hole, and the other end of the pressure bar abuts against the first pressing block.

Optionally, the first pressing block and the first connecting portion are integrally formed, and the second pressing block and the second connecting portion are integrally formed.

Optionally, one end of the spring is bonded with the groove bottom of the open groove.

The utility model has the advantages that: through set up the round pin hole on first briquetting and second briquetting to set up the screw on the open slot, utilize the both ends connection effect of round pivot to link the three together, make first briquetting and presser foot handle and second briquetting and presser foot handle between can both rotate smoothly, can not block and die.

Description of the drawings:

FIG. 1 is a schematic diagram of the structure of a thread-off preventing presser of a sewing machine;

FIG. 2 is a schematic view of the engagement between the presser foot handle and the round pin;

fig. 3 is a schematic diagram of the structure of the round pin.

The figures are numbered: 1. the pressure foot handle, 101, mounting groove, 102, spacing mouth, 103, open slot, 104, screw, 105, circle guide pillar, 2, pressure pole, 3, spring, 4, circle axis round pin, 401, hexagonal counter bore, 402, screw, 5, first briquetting, 501, first connecting portion, 6, second briquetting, 601, second connecting portion, 7, sewing portion, 8, circular counter bore, 9, circle round pin hole.

The specific implementation mode is as follows:

the present invention will be described in detail with reference to the accompanying drawings.

As shown in attached drawings 1, 2 and 3, the anti-drop presser of the sewing machine comprises a presser foot handle 1, first briquetting 5, second briquetting 6 and spring 3, be provided with open slot 103 on the presser foot handle 1, spring 3 is located open slot 103, 3 one end of spring supports presser foot handle 1, the 3 other end of spring supports first briquetting 5 and second briquetting 6, still include round axle pin 4, the both ends of round axle pin 4 are provided with screw 402, hexagonal counter bore 401 has been seted up to the section department of round axle pin 4, be provided with screw 104 on the presser foot handle 1, all be provided with round pinhole 9 on first briquetting 5 and the second briquetting 6, set up the screw 104 of run-through on the both sides cell wall of open slot 103, the diameter of round pinhole 9 equals the diameter of round axle pin 4, the screw 402 at round axle pin 4 both ends is in the same place with screw 104 on the open slot 103, round axle pin 4 runs through round pinhole 9 on first briquetting 5 and the second briquetting 6.

According to the device, the round pin holes 9 are formed in the first pressing block 5 and the second pressing block 6, the screw holes 104 are formed in the open groove 103, and the first pressing block 5, the second pressing block 6 and the presser foot handle 1 are connected together by utilizing the connection effect of the two ends of the round pin 4, so that the first pressing block 5 and the presser foot handle 1 and the second pressing block 6 and the presser foot handle 1 can smoothly rotate without being blocked.

The hexagonal counterbore 401 is used for facilitating the inner hexagonal wrench to screw the round shaft pin 4.

As shown in fig. 1, fig. 2 and fig. 3, the first pressing block 5 is provided with a first connecting portion 501, the second pressing block 6 is provided with a second connecting portion 601, and the first connecting portion 501 and the second connecting portion 601 are mutually clamped together. The first connecting portion 501 and the second connecting portion 601 are both provided with a round pin hole 9.

As shown in fig. 1, fig. 2 and fig. 3, the first connecting portion 501 and the second connecting portion 601 are both provided with a circular counterbore 8, a circular guide pillar 105 is disposed in the opening groove 103 of the presser foot handle 1, the spring 3 is sleeved on the circular guide pillar 105, and one end of the spring 3 is located in the circular counterbore 8.

The round guide post 105 is provided for facilitating the clamping of the spring 3, and compared with a connection mode that two ends of the round guide post are both countersunk, the connection mode that one end of the round guide post is countersunk and the other end of the round guide post is matched more stably, which is adopted in the patent CN 208455207U.

As shown in the attached drawings 1, 2 and 3, the sewing machine further comprises a pressure rod 2, one end of the pressure rod 2 is rotationally matched with the pressure foot handle 1, the other end of the pressure rod 2 props against a first pressing block 5, and a sewing part 7 is formed between the first pressing block 5 and a second pressing block 6.

As shown in fig. 1, 2 and 3, the presser foot handle 1 is provided with an installation groove 101 and a U-shaped limiting opening 102.

As shown in fig. 1, fig. 2 and fig. 3, the first pressing block and the second pressing block have a height difference.

As shown in the attached drawings 1, 2 and 3, the pressure rod 2 is a pressure rod 2 shaped like a half-square, a round hole is formed in the pressure foot handle 1, one end of the pressure rod 2 is rotationally matched with the round hole, and the other end of the pressure rod 2 is abutted against the first pressure block 5.

As shown in fig. 1, 2 and 3, the first pressing piece 5 is integrally formed with the first connecting portion 501, and the second pressing piece 6 is integrally formed with the second connecting portion 601.

As shown in fig. 1, 2 and 3, one end of the spring 3 is bonded to the bottom of the open slot 103.

The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides an anti-drop sewing machine pressure bullet device, includes presser foot handle, first briquetting, second briquetting and spring, be provided with the open slot on the presser foot handle, the spring is located the open slot, spring one end supports the presser foot handle, and the spring other end supports first briquetting and second briquetting, and its characterized in that still includes the round axle pin, the both ends of round axle pin are provided with the screw, and the section department of round axle pin has seted up the hexagonal counter bore, be provided with the screw on the presser foot handle, all be provided with the round pinhole on first briquetting and the second briquetting, set up the screw of running through formula on the both sides cell wall of open slot, the diameter of round pinhole equals the diameter of round axle pin, the screw on the screw at round axle pin both ends and the open slot is joined in marriage together, the round axle pin runs through round pinhole on first briquetting and the second briquetting.

2. The anti-drop sewing machine presser device according to claim 1, wherein the first presser piece is provided with a first connecting portion, the second presser piece is provided with a second connecting portion, and the first connecting portion and the second connecting portion are mutually engaged; the first connecting portion and the second connecting portion are provided with the round pin holes.

3. The anti-drop presser device of claim 2, wherein said first and second connection portions are each formed with a circular counter bore, said presser foot handle is provided with a circular guide post in an open slot, said spring is fitted over the circular guide post, and one end of said spring is located in said circular counter bore.

4. The anti-drop presser device of sewing machine according to claim 1, further comprising a pressure lever, one end of said pressure lever being rotatably fitted to the presser foot handle, the other end of said pressure lever abutting against said first presser, a sewing portion being formed between said first presser and said second presser.

5. An anti-drop presser device for sewing machine according to claim 1, wherein said presser foot handle is provided with an installation groove and a U-shaped limit opening.

6. The anti-drop sewing machine presser device of claim 1, wherein the first presser piece and the second presser piece have a height difference therebetween.

7. An anti-falling off presser device for a sewing machine according to claim 4, wherein said presser bar is a half-square shaped presser bar, said presser foot handle is provided with a circular hole, one end of said presser bar is rotatably fitted with the circular hole, and the other end of said presser bar abuts against said first presser block.

8. The anti-drop sewing machine presser device according to claim 2, wherein the first presser piece is integrally formed with the first connecting portion, and the second presser piece is integrally formed with the second connecting portion.

9. An anti-drop sewing machine presser device as claimed in claim 3, wherein said spring has one end bonded to the bottom of said open groove.