CN114934360A - Air bag locking type sewing pedal assembly - Google Patents
Air bag locking type sewing pedal assembly Download PDFInfo
- Publication number
- CN114934360A CN114934360A CN202210729553.5A CN202210729553A CN114934360A CN 114934360 A CN114934360 A CN 114934360A CN 202210729553 A CN202210729553 A CN 202210729553A CN 114934360 A CN114934360 A CN 114934360A
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- Prior art keywords
- air bag
- pedal
- locking
- airbag
- assembly
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- 238000009958 sewing Methods 0.000 title claims abstract description 34
- 230000008602 contraction Effects 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
- D05B69/06—Pedal drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/08—Fluid drives, e.g. pneumatic
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Seats For Vehicles (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses an air bag locking type sewing pedal assembly.A locking hole is formed in the outer peripheral surface of a transverse shaft; the pedal can rotate around the central axis of the transverse shaft; the first air bag component is arranged on the pedal and comprises a locking rod, a first air bag and a spring; the locking rod is provided with a locking position inserted into the locking hole and an unlocking position separated from the locking hole; the first air bag has an exhaust contraction state and an inflation expansion state which drives the locking rod to move to the unlocking position; the spring has elastic acting force for pushing the locking rod to move towards the locking position; a second air bag assembly is arranged in each corresponding pedal area; the second air bag assembly comprises a second air bag and a treading piece; the second air bag is communicated with the first air bag; the treading piece is provided with a treading position for driving the second air bag to be switched from an inflation state to an exhaust state. According to the invention, through the mode of air bag control, the pedal can be unlocked only when two feet step on the pedal, so that the use safety of the sewing machine is effectively improved.
Description
Technical Field
The invention relates to the technical field of sewing equipment, in particular to an air bag locking type sewing pedal assembly.
Background
The sewing machine performs sewing operation by stepping on the sewing pedal. When the sewing pedal is not used for sewing operation, the pedal can still move under the driving of external force. When the user is changing sewing needle or threading etc. operation, easily mistake is touched the footboard, and it drives the sewing needle action, easily causes the injury to the user.
Disclosure of Invention
In view of the above technical problems, the present invention aims to: the air bag locking type sewing pedal assembly is provided, and the pedal can be unlocked only when two feet step on and press the pedal in an air bag control mode, so that the use safety of a sewing machine is effectively improved.
The technical solution of the invention is realized as follows: an air bag locking type sewing pedal assembly comprises a cross shaft, a pedal, a first air bag assembly and a second air bag assembly;
the outer peripheral surface of the transverse shaft is provided with a locking hole; the pedals are arranged on the transverse shaft and can rotate around the central axis of the transverse shaft;
the first air bag component is arranged on the pedal and comprises a locking rod, a first air bag and a spring; the locking rod moves along the linear direction and is provided with a locking position inserted into the locking hole and an unlocking position separated from the locking hole; the first airbag has an exhaust deflated state and an inflation inflated state that actuates the locking lever to move to the unlocked position; the spring has elastic acting force for pushing the locking rod to move towards the locking position;
two pedal areas are arranged on the pedal in parallel; a second airbag assembly is arranged in each pedal area; the second air bag assembly comprises a second air bag and a treading piece; the second air bag is communicated with the first air bag and has an inflation expansion state and a deflation contraction state; when both of the second airbags are in the deflation and contraction state, the first airbag is in the inflation and expansion state; the treading piece moves along the linear direction and is provided with a normal position matched with the inflation and expansion state of the second air bag and a treading position for driving the second air bag to be switched from the inflation and expansion state to the exhaust and contraction state.
Further, the treading part is arranged at the position of the heel in the treading area.
Further, the first airbag assembly comprises a sleeve, a first seat body and a first sliding block; the sleeve is fixedly connected with the pedal and sleeved on the transverse shaft; the first seat body is arranged on the sleeve; the first sliding block is arranged in the first seat body and moves back and forth along the radial direction of the sleeve; the locking rod is arranged on the first sliding block; the spring and the first air bag are arranged in the first seat body and are respectively arranged on two sides of the first sliding block.
Further, the second airbag module comprises a second seat body; the second seat body is arranged on the pedal; the second air bag is arranged in the second seat body; the treading piece is connected with the second seat body in a sliding fit manner; in the normal position, one end of the treading piece far away from the second air bag is higher than the treading area.
Further, the sewing pedal assembly comprises a limiting rod; the limiting rod stretches over the two pedal areas, and two ends of the limiting rod are connected with the pedals; and a limiting space is formed between the limiting rod and the pedal area.
Furthermore, the position of the limiting rod in the longitudinal direction of the pedal area can be adjusted.
Further, the locking holes are distributed at intervals along the circumferential direction of the transverse shaft.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the invention, through the matching use of the first air bag and the second air bag, the treading piece is respectively pressed by two feet to drive the second air bag to be in an exhaust contraction state, so that the air in the two second air bags is exhausted to the first air bag, and the first air bag is in an inflation expansion state. The first bladder expands and forces the locking rod out of the locking aperture, thereby unlocking the pedal. After the treading piece is loosened by the feet, the locking rod is inserted into the locking hole under the driving of the spring so as to realize the mutual locking of the transverse shaft and the pedal, the first air bag is switched to the exhaust contraction state, the exhausted air enters the second air bag so as to enable the second air bag to be in the inflation expansion state, and then the treading piece is pushed to the normal position. Through the operation mode, the pedal can be unlocked only when the pedals are stepped by two feet, the use safety of the sewing machine is effectively improved, and the practicability is high.
2. According to the invention, through the matching use of the limiting rod, when in sewing operation, the front foot of a user is inserted into the space between the limiting rod and the pedal, so that the foot of the user can be limited to be separated from the pedal, the treading piece can be maintained in a treading state, the stability of the treading piece in pressing is kept, a labor-saving effect is achieved, and the smoothness of the sewing operation process is effectively improved.
Drawings
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
FIG. 1 is a schematic three-dimensional structure of the overall structure of the present invention;
FIG. 2 is a schematic three-dimensional structure of FIG. 1 from another perspective;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is a cross-sectional view of a second airbag assembly of the present invention;
FIG. 5 is a schematic view of a first airbag assembly of the present invention;
FIG. 6 is a cross-sectional view of FIG. 5;
FIG. 7 is an exploded view of a first air bag, locking lever, etc. of the present invention;
FIG. 8 is a schematic three-dimensional structure of the horizontal axis of the present invention;
FIG. 9 is a schematic three-dimensional structure of the bushing of the present invention;
wherein: 1. a pedal; 11. a pedaling zone; 12. mounting holes; 2. a second airbag module; 21. a second seat body; 22. a second air bag; 23. treading the pressing piece; 3. a first airbag module; 31. a first slider; 32. a lock lever; 33. a first air bag; 34. a spring; 35. a first seat body; 4. a sleeve; 41. avoiding holes; 5. a horizontal axis; 51. a locking hole; 6. an air tube; 7. a limiting rod; 8. a support; 9. and a limiting member.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Fig. 1 to 9 show an airbag lock type sewing step assembly according to the present embodiment, which is mounted on a sewing machine body and performs a sewing operation by pressing a step 1. The assembly comprises a bracket 8, a transverse shaft 5, a pedal 1, a first airbag assembly 3, a second airbag assembly 2 and the like. The transverse shaft 5 is horizontally arranged, and both ends of the transverse shaft are connected with the bracket 8 through bolts. A lock hole 51 is formed at a predetermined position on the outer peripheral surface of the lateral shaft 5. The locking hole 51 is a counterbore structure or a through hole structure. In this embodiment, the plurality of locking holes 51 are arranged and spaced apart from each other in the circumferential direction of the lateral shaft 5. The pedal 1 is attached to the lateral shaft 5 so as to be rotatable about the central axis of the lateral shaft 5, and the pedal 1 can be actuated to rotate by depressing the pedal 1.
The first air bag assembly 3 is mounted on the pedal 1 and comprises a sleeve 4, a first seat body and a first sliding block 31, a locking rod 32, a first air bag 33 and a spring 34. The two ends of the sleeve 4 are fixedly connected with the pedal 1 through bolts and are sleeved on the transverse shaft 5 in a clearance fit mode, so that the pedal 1 and the sleeve 4 can rotate on the transverse shaft 5 integrally. The hollow first seat 35 is connected to the sleeve 4 by bolts. The first sliding block 31 is installed in the first seat 35, a sliding groove is processed on the inner wall of the first seat 35, and the first sliding block 31 slides in the sliding groove so as to be capable of moving back and forth along the radial direction of the sleeve 4. The locking lever 32 is mounted on the first slider 31 with its free end extending radially of the sleeve 4. The lock lever 32 is moved in a linear direction to approach or separate from the lateral shaft 5 by the first slider 31. A relief hole 41 is formed in the sleeve 4 so that the lock rod 32 can penetrate into the interior of the sleeve 4 through the relief hole 41. When the locking rod 32 is close to the transverse shaft 5, the locking rod 32 penetrates into the sleeve 4 and has a locking position inserted into the locking hole 51 on the transverse shaft 5, and when the locking rod 32 moves in a direction away from the transverse shaft 5, the locking rod 32 is separated from the locking hole 51 to form an unlocking position. With the above-described structural design, the pedal 1 is restricted from rotating when the lock lever 32 is in the lock position. When the lock lever 32 is in the unlock position, the pedal 1 can be relatively rotated. The spring 34 and the first air bag 33 are disposed in the first seat 35 and are arranged on both sides of the first slider 31. The first air bag 33 is accommodated in a cavity formed between the first slider 31 and the first seat 35. The first side of the first air bag 33 is connected to the first slide block 31, and the second side is connected to the first seat 35. The first air bag 33 has an exhaust deflated state and an inflated state that urges the detent lever 32 to the unlocked position. A plurality of springs 34 are connected between the first slider 31 and the first housing 35. The spring 34 has an elastic force urging the lock lever 32 to move in the direction of the lock position. When the first air bag 33 is deflated, the lock lever 32 is pushed to move and be inserted into the lock hole under the elastic force of the spring 34. An escape passage corresponding to the air port of the first air bag 33 is formed in the first seat body 35.
In order to facilitate the insertion of the lock lever 32 into the lock hole 11. The locking hole 11 is a waist-shaped hole extending in the circumferential direction of the transverse shaft 1.
Two foot regions 11 are arranged in parallel on the pedal 1. A second airbag module 2 is installed in each foot-pedal region 11. The second airbag module 2 includes a hollow second seat 21, a second airbag 22, and a presser 23. The second seat 21 is mounted on the back of the step panel 1 by bolts. The second airbag 22 is disposed in the second seat 21. The pressing member 23 is installed in the second seat 21, and is connected to the second seat 21 in a sliding fit manner to move linearly in a direction approaching or departing from the second airbag 22. An escape passage corresponding to the air port of the second airbag 22 is formed in the second seat body 21. The trachea 6 has one end connected to the port of the second bladder 22 and the other end connected to the port of the first bladder 33. The second bladder 22 has an inflated, expanded state and a deflated, contracted state. A certain amount of air is previously charged into the second air cell 22 and the first air cell 33, and when one of the first air cell 33 and the second air cell 22 is pressed, the discharged air is charged into the other. Wherein the first air bag 33 is in the design-required inflated state only when both second air bags 22 are in the deflated state.
The above-mentioned pressing member 23 has a normal position adapted to the inflated and expanded state of the second airbag 22 and a pressing position for driving the first airbag 33 to switch from the inflated and expanded state to the deflated state. When in the depressed position, air in the second air cell 22 is discharged into the first air cell 33. In this embodiment, in the normal position, the end (the pressing end) of the pressing member 23 away from the second airbag 22 is higher than the stepping area 11, and in the pressing position, the pressing end of the pressing member 23 is substantially parallel to the stepping area 11.
In this embodiment, the pressing member 23 is installed at a heel position in the pedal region 11, and the pressing member 23 is pressed down by the heel to save labor.
The first balloon 33 and the second balloon 22 are variable-volume balloon structures.
In this embodiment, the limiting rod 7 spans over the two pedal regions 11, and two ends of the limiting rod 7 are fixedly connected to the pedal 1. A limit space with a certain height is arranged between the limit rod 7 and the pedal area 11. The height of the spacing space is matched with the thickness of the foot or the shoe. The foot of the user is placed on the pedal area 11, the front foot position is inserted into the limiting space to limit the foot to be upwards separated from the pedal 1, the treading piece 23 can be maintained in a treading state, the stability of the treading piece 23 in pressing is kept, a labor-saving effect is achieved, and the smoothness of the sewing operation process is effectively improved. A plurality of mounting holes 12 are processed on both sides of the pedal 1 along the longitudinal direction. Both ends of the stopper rod 7 are inserted into the mounting holes 12 and fixed by nuts. The position of the limiting rod 7 in the longitudinal direction of the pedal region 11 can be adjusted by adjusting the mounting holes 12 of the limiting rod 7 corresponding to different positions. The position of the limiting rod 7 is adjusted to meet the limiting requirements of feet or shoes with different sizes.
When the sewing machine is used, the feet of a user are placed in the pedal area 11, the heel presses the pressing piece 23 downwards to drive the second air bags 22 to be in an exhaust contraction state, air in the two second air bags 22 is further discharged into the first air bag 33, the first air bag 33 is inflated and expanded, the locking rod 32 is driven to be separated from the locking hole 51, and therefore the pedal 1 is unlocked to perform sewing operation.
When the feet leave the pedal 1 and the pedal 23 is released, part of the air in the first air bag 33 is discharged into the second air bag 22, meanwhile, the spring 34 pushes the first slider 31 and the locking rod 32 to move so as to further force the air in the first air bag 33 to be discharged, and pushes the locking rod 32 to be inserted into the locking hole 51 so as to realize the mutual locking of the transverse shaft 5 and the pedal 1, and the second air bag 22 is inflated in the process and pushes the pedal 23 to a normal position.
In the above operation mode, the pedal 1 can be unlocked only when the pedal 1 is pressed by two feet, and the first air bag 33 cannot be inflated to the inflation state required by the design by pressing one foot, so that the locking rod 32 cannot be pushed to disengage from the locking hole 51.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. An airbag locking type sewing pedal assembly comprises a cross shaft, a pedal, a first airbag assembly and a second airbag assembly; is characterized in that:
the outer peripheral surface of the transverse shaft is provided with a locking hole; the pedals are arranged on the transverse shaft and can rotate around the central axis of the transverse shaft;
the first air bag component is arranged on the pedal and comprises a locking rod, a first air bag and a spring; the locking rod moves along the linear direction and is provided with a locking position inserted into the locking hole and an unlocking position separated from the locking hole; the first airbag has an exhaust deflated state and an inflation inflated state that drives the locking lever to move to the unlocked position; the spring has elastic acting force for pushing the locking rod to move towards the locking position;
two pedal areas are arranged on the pedal in parallel; a second air bag assembly is arranged in each pedal area; the second air bag assembly comprises a second air bag and a treading piece; the second air bag is communicated with the first air bag and has an inflation expansion state and a deflation contraction state; when both of the second airbags are in the deflation and contraction state, the first airbag is in the inflation and expansion state; the treading piece moves along the linear direction and is provided with a normal position matched with the inflation and expansion state of the second air bag and a treading position for driving the second air bag to be switched from the inflation and expansion state to the exhaust and contraction state.
2. The airbag latching sewing step assembly of claim 1, wherein: the treading piece is arranged at the position of a heel in the treading area.
3. The airbag latch-type sewing step assembly of claim 1, wherein: the first air bag component comprises a sleeve, a first seat body and a first sliding block; the sleeve is fixedly connected with the pedal and sleeved on the transverse shaft; the first seat body is arranged on the sleeve; the first sliding block is arranged in the first seat body and moves back and forth along the radial direction of the sleeve; the locking rod is arranged on the first sliding block; the spring and the first air bag are arranged in the first seat body and are respectively arranged on two sides of the first sliding block.
4. The airbag latching sewing step assembly of claim 1, wherein: the second airbag assembly comprises a second seat body; the second seat body is arranged on the pedal; the second air bag is arranged in the second seat body; the treading piece is connected with the second seat body in a sliding fit manner; in the normal position, one end of the treading piece far away from the second air bag is higher than the treading area.
5. The airbag latching sewing step assembly of claim 1, wherein: the sewing pedal assembly comprises a limiting rod; the limiting rod stretches over the two pedal areas, and two ends of the limiting rod are connected with the pedals; and a limiting space is formed between the limiting rod and the pedal area.
6. The airbag latching sewing step assembly of claim 1, wherein: the position of the limiting rod in the longitudinal direction of the pedal area can be adjusted.
7. The airbag latching sewing step assembly of claim 1, wherein: the locking holes are distributed at intervals along the circumferential direction of the transverse shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210729553.5A CN114934360B (en) | 2022-06-24 | 2022-06-24 | Airbag locking type sewing pedal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210729553.5A CN114934360B (en) | 2022-06-24 | 2022-06-24 | Airbag locking type sewing pedal assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114934360A true CN114934360A (en) | 2022-08-23 |
| CN114934360B CN114934360B (en) | 2023-12-12 |
Family
ID=82868475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210729553.5A Active CN114934360B (en) | 2022-06-24 | 2022-06-24 | Airbag locking type sewing pedal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114934360B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115743967A (en) * | 2022-11-20 | 2023-03-07 | 南京和本机电设备科技有限公司 | Explosion venting system for energy storage container |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3909271A1 (en) * | 1988-03-23 | 1989-10-05 | Salomon Sa | Control device for sewing machines |
| CN204474935U (en) * | 2015-01-27 | 2015-07-15 | 杰克缝纫机股份有限公司 | A kind of sewing machine pedal device |
| CN105889018A (en) * | 2015-01-25 | 2016-08-24 | 殷耀林 | Inflation pedal |
| CN207435688U (en) * | 2017-11-22 | 2018-06-01 | 刘飞凤 | A kind of cloth tensioning apparatus |
| CN207474310U (en) * | 2017-11-17 | 2018-06-08 | 龙泉市杰科汽车零部件有限公司 | A kind of energy-efficient automobile air conditioning control switch |
| CN208799488U (en) * | 2017-09-20 | 2019-04-30 | 鹤壁市人民医院 | A kind of multipurpose Chinese medicine rehabilitation device |
| CN209383931U (en) * | 2018-12-07 | 2019-09-13 | 河北云织兰纺织科技有限公司 | A kind of sewing machine with crimping blowning installation |
| CN211016827U (en) * | 2019-12-13 | 2020-07-14 | 重庆金山医疗器械有限公司 | Air bag type pedal switch |
| CN213142405U (en) * | 2020-08-04 | 2021-05-07 | 江苏东源纺织科技实业有限公司 | Pedal device is used in production of high-elastic fibre environmental protection surface fabric of lyocell |
| CN213419563U (en) * | 2020-08-31 | 2021-06-11 | 郭树振 | Novel hydraulic power machine |
-
2022
- 2022-06-24 CN CN202210729553.5A patent/CN114934360B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3909271A1 (en) * | 1988-03-23 | 1989-10-05 | Salomon Sa | Control device for sewing machines |
| CN105889018A (en) * | 2015-01-25 | 2016-08-24 | 殷耀林 | Inflation pedal |
| CN204474935U (en) * | 2015-01-27 | 2015-07-15 | 杰克缝纫机股份有限公司 | A kind of sewing machine pedal device |
| CN208799488U (en) * | 2017-09-20 | 2019-04-30 | 鹤壁市人民医院 | A kind of multipurpose Chinese medicine rehabilitation device |
| CN207474310U (en) * | 2017-11-17 | 2018-06-08 | 龙泉市杰科汽车零部件有限公司 | A kind of energy-efficient automobile air conditioning control switch |
| CN207435688U (en) * | 2017-11-22 | 2018-06-01 | 刘飞凤 | A kind of cloth tensioning apparatus |
| CN209383931U (en) * | 2018-12-07 | 2019-09-13 | 河北云织兰纺织科技有限公司 | A kind of sewing machine with crimping blowning installation |
| CN211016827U (en) * | 2019-12-13 | 2020-07-14 | 重庆金山医疗器械有限公司 | Air bag type pedal switch |
| CN213142405U (en) * | 2020-08-04 | 2021-05-07 | 江苏东源纺织科技实业有限公司 | Pedal device is used in production of high-elastic fibre environmental protection surface fabric of lyocell |
| CN213419563U (en) * | 2020-08-31 | 2021-06-11 | 郭树振 | Novel hydraulic power machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115743967A (en) * | 2022-11-20 | 2023-03-07 | 南京和本机电设备科技有限公司 | Explosion venting system for energy storage container |
| CN115743967B (en) * | 2022-11-20 | 2024-01-26 | 南京和本机电设备科技有限公司 | Explosion venting system for energy storage container |
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| Publication number | Publication date |
|---|---|
| CN114934360B (en) | 2023-12-12 |
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