阅读说明：本技术 一种新式缝纫机 (Novel sewing machine ) 是由 陈贤德 于 2021-06-01 设计创作，主要内容包括：本发明公开了一种新式缝纫机,包括底板,所述底板内腔底部的左侧固定连接有第一固定块,所述底板内壁的后侧固定连接有第四固定块,所述底板内腔的底部固定连接有第五固定块。本发明通过旋转第一转杆,带动第一斜齿轮顺时针旋转,第一斜齿轮与转化齿轮啮合,从而带动第二斜齿轮和第一皮带盘旋转,由于第二斜齿轮与第一皮带盘可在第一转杆的表面转动,又由于第一斜齿轮和第二斜齿轮的齿牙方向相反,因此通过转化齿轮的传动第一皮带盘会通过第一传动皮带的传动带动第二皮带盘和内轴反向旋转,解决了现有的缝纫机一般使用梭芯进行送线,只能单向缝制,费时费力,而且单向缝制也降低了工作效率的问题。(The invention discloses a novel sewing machine which comprises a bottom plate, wherein a first fixed block is fixedly connected to the left side of the bottom of an inner cavity of the bottom plate, a fourth fixed block is fixedly connected to the rear side of the inner wall of the bottom plate, and a fifth fixed block is fixedly connected to the bottom of the inner cavity of the bottom plate. According to the invention, the first rotating rod is rotated to drive the first helical gear to rotate clockwise, the first helical gear is meshed with the conversion gear, so that the second helical gear and the first belt pulley are driven to rotate, the second helical gear and the first belt pulley can rotate on the surface of the first rotating rod, and the tooth directions of the first helical gear and the tooth direction of the second helical gear are opposite, so that the first belt pulley can drive the second belt pulley and the inner shaft to rotate reversely through the transmission of the first transmission belt through the transmission of the conversion gear, and the problems that the existing sewing machine generally uses the bobbin to feed threads, only one-way sewing is needed, time and labor are wasted, and the one-way sewing also reduces the working efficiency are solved.)

1. A new sewing machine, comprising a base plate (1), characterized in that: the novel rotary table is characterized in that a first fixing block (2) is fixedly connected to the left side of the bottom of an inner cavity of the bottom plate (1), a fourth fixing block (5) is fixedly connected to the rear side of the inner wall of the bottom plate (1), a fifth fixing block (6) is fixedly connected to the bottom of the inner cavity of the bottom plate (1), a sixth fixing block (7) is fixedly connected to the rear side of the inner cavity of the bottom plate (1), a first rotating rod (8) is movably connected to the surface of the first fixing block (2), a first helical gear (9) is fixedly connected to the left side of the surface of the first rotating rod (8), a conversion gear (10) is movably connected to one side of the sixth fixing block (7) through a bearing, a second helical gear (11) is sleeved on the right side of the surface of the first fixing block (2) and is positioned on the first helical gear (9), and the conversion gear (10) is meshed with the first helical gear (9) and the second helical gear (11), the right side of first helical gear (9) and the surface cover that is located first bull stick (8) are equipped with first belt pulley (12), second helical gear (11) and first belt pulley (12) fixed connection, second helical gear (11) and first belt pulley (12) all with the surface swing joint of first bull stick (8).

2. The new sewing machine according to claim 1, characterized in that: the rear side fixedly connected with second fixed block (3) of bottom plate (1) inner wall, the bottom of bottom plate (1) inner chamber just is located right side fixedly connected with third fixed block (4) of first fixed block (2), the right-hand member of first bull stick (8) run through second fixed block (3) and third fixed block (4) and with second fixed block (3) and third fixed block (4) swing joint, the equal fixedly connected with fixed axle bed (22) of the opposite face of second fixed block (3) and fourth fixed block (5), one side fixedly connected with outer tube (13) of second fixed block (3) and fourth fixed block (5) are kept away from to fixed axle bed (22).

3. The new sewing machine according to claim 2, characterized in that: an inner shaft (14) is movably connected to the inner cavity of the outer tube (13), and two ends of the inner shaft (14) penetrate through the second fixing block (3) and the fourth fixing block (5) respectively.

4. A new sewing machine, according to claim 3, characterized in that: the left end of the inner shaft (14) is movably connected with a sixth fixing block (7) through a bearing, the left side of the surface of the inner shaft (14) is fixedly connected with a second belt pulley (15), and a first transmission belt (16) is connected between the second belt pulley (15) and the first belt pulley (12) in a transmission mode.

5. The new sewing machine according to claim 1, characterized in that: and one end of the inner shaft (14) far away from the fourth fixed block (5) is fixedly connected with a third belt pulley (17).

6. The new sewing machine according to claim 5, characterized in that: the surface fixed connection of fifth fixed block (6) has second bull stick (18), the surface fixed connection of second bull stick (18) has fourth belt pulley (19), the transmission is connected with second driving belt (20) between fourth belt pulley (19) and third belt pulley (17).

7. The new sewing machine according to claim 6, characterized in that: the left end of second bull stick (18) runs through fourth fixed block (5), the equal fixedly connected with crochet hook (21) of one end that fourth fixed block (5) were kept away from in second bull stick (18) and first bull stick (8) keep away from third fixed block (4).

8. The new sewing machine according to claim 1, characterized in that: the surface of one side of the second fixing block (3) and the fourth fixing block (5) is movably connected with a shaft rod (23) through a bearing, one end of the shaft rod (23) far away from the second fixing block (3) and the fourth fixing block (5) is fixedly connected with an adjusting block (24), one side of the surface of the shaft rod (23) is far away from the adjusting block (24) is fixedly connected with a limiting rod (25), and the limiting rod (25) is respectively contacted with the first transmission belt (16) and the second transmission belt (20).

Technical Field

The invention relates to the technical field of sewing machines, in particular to a novel sewing machine.

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, plastics, 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 existing sewing machine generally uses the bobbin to feed threads, can only carry out unidirectional sewing, and the bobbin can be replaced for many times due to insufficient bottom threads, so that time and labor are wasted, and the working efficiency is reduced by unidirectional sewing.

Disclosure of Invention

The invention aims to provide a novel sewing machine which has the advantages of shuttle peg replacement-free and double-row reverse sewing, and solves the problems that the existing sewing machine generally uses the shuttle peg to feed threads, only can carry out unidirectional sewing, the shuttle peg can be replaced for many times due to insufficient bottom threads, time and labor are wasted, and the working efficiency is reduced by unidirectional sewing.

In order to achieve the purpose, the invention provides the following technical scheme: a novel sewing machine comprises a bottom plate, wherein a first fixed block is fixedly connected to the left side of the bottom of an inner cavity of the bottom plate, a fourth fixed block is fixedly connected to the rear side of the inner wall of the bottom plate, a fifth fixed block is fixedly connected to the bottom of the inner cavity of the bottom plate, a sixth fixed block is fixedly connected to the rear side of the inner cavity of the bottom plate, a first rotating rod is movably connected to the surface of the first fixed block, a first helical gear is fixedly connected to the left side of the surface of the first rotating rod, a conversion gear is movably connected to one side of the sixth fixed block through a bearing, a second helical gear is sleeved on the surface of the first fixed block and positioned on the right side of the first helical gear, the conversion gear is meshed with the first helical gear and the second helical gear, a first belt pulley is sleeved on the right side of the first helical gear and positioned on the surface of the first rotating rod, and the second helical gear is fixedly connected with the first belt pulley, and the second bevel gear and the first belt pulley are movably connected with the surface of the first rotating rod.

Preferably, the rear side fixedly connected with second fixed block of bottom plate inner wall, the bottom of bottom plate inner chamber just is located the right side fixedly connected with third fixed block of first fixed block, the right-hand member of first bull stick run through second fixed block and third fixed block and with second fixed block and third fixed block swing joint, the equal fixedly connected with fixed axle bed of the opposite face of second fixed block and fourth fixed block, one side fixedly connected with outer tube that second fixed block and fourth fixed block were kept away from to fixed axle bed has played the effect fixed to the outer tube through setting up fixed axle bed.

Preferably, the inner cavity of the outer tube is movably connected with an inner shaft, and two ends of the inner shaft respectively penetrate through the second fixing block and the fourth fixing block.

Preferably, the left end of the inner shaft is movably connected with a sixth fixing block through a bearing, a second belt pulley is fixedly connected to the left side of the surface of the inner shaft, and a first transmission belt is connected between the second belt pulley and the first belt pulley in a transmission mode.

Preferably, one end of the inner shaft, which is far away from the fourth fixed block, is fixedly connected with a third belt pulley.

Preferably, the fixed surface of fifth fixed block is connected with the second bull stick, the fixed surface of second bull stick is connected with the fourth belt pulley, the transmission is connected with second driving belt between fourth belt pulley and the third belt pulley, through setting up axostylus axostyle, regulating block and gag lever post, has played the spacing effect to first driving belt and second driving belt, can adjust first driving belt and second driving belt's elasticity simultaneously.

Preferably, the left end of the second rotating rod penetrates through the fourth fixed block, and the end, far away from the fourth fixed block, of the second rotating rod and the end, far away from the third fixed block, of the first rotating rod are fixedly connected with a crochet hook.

Preferably, the surface of the second fixed block and one side of the fourth fixed block are respectively connected with a shaft rod through a bearing, the shaft rod is far away from one end fixedly connected with adjusting block of the second fixed block and the fourth fixed block, one side fixedly connected with limiting rod of the surface of the shaft rod is far away from the adjusting block, the limiting rod is respectively contacted with the first transmission belt and the second transmission belt, the limiting effect on the limitation of the first transmission belt and the second transmission belt is achieved through the arrangement of the shaft rod, the adjusting block and the limiting rod, and meanwhile the tightness of the first transmission belt and the second transmission belt can be adjusted.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention drives the first bevel gear to rotate clockwise by rotating the first rotating rod, the first bevel gear is meshed with the conversion gear, so as to drive the second bevel gear and the first belt pulley to rotate, the second bevel gear and the first belt pulley can rotate on the surface of the first rotating rod, and the tooth directions of the first bevel gear and the second bevel gear are opposite, so that the first belt pulley can drive the second belt pulley and the inner shaft to rotate reversely by the transmission of the first transmission belt through the transmission of the conversion gear, the inner shaft can drive the third belt pulley to rotate reversely, the third belt pulley can drive the fourth belt pulley to rotate reversely by the transmission of the second transmission belt, and the fourth belt pulley drives the second rotating rod to rotate reversely, so that the first rotating rod and the second rotating rod respectively drive the two crochet hooks to rotate reversely, thereby not only avoiding the condition of frequently replacing bobbin bottom threads, but also realizing the effect of double-row reverse sewing, the improved sewing machine has the advantages that the working efficiency is improved, the problems that the bobbin of the existing sewing machine is generally used for feeding threads and can only be sewn in a one-way mode, the bobbin can be replaced for many times due to the fact that the bottom thread is not enough, time and labor are wasted, and the working efficiency is reduced due to the one-way sewing are solved.

2. The outer tube fixing device has the advantages that the fixing shaft seat is arranged, the outer tube fixing effect is achieved, the shaft rod, the adjusting block and the limiting rod are arranged, the effect of limiting the first transmission belt and the second transmission belt is achieved, meanwhile, the tightness of the first transmission belt and the tightness of the second transmission belt can be adjusted, the shuttle peg can be prevented from being frequently replaced by arranging the two crochet hooks, meanwhile, the third belt pulley, the second rotating rod and the fourth belt pulley are matched to drive the crochet hooks to rotate reversely and are matched with the other crochet hooks rotating in the forward direction, the effect of double-row reverse sewing can be achieved, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of a second fixing block according to the present invention;

FIG. 3 is a schematic front view of the outer tube of the present invention;

FIG. 4 is a schematic front view of a first belt pulley according to the present invention;

fig. 5 is a schematic front view of the adjusting block of the present invention.

In the figure: 1. a base plate; 2. a first fixed block; 3. a second fixed block; 4. a third fixed block; 5. a fourth fixed block; 6. a fifth fixed block; 7. a sixth fixed block; 8. a first rotating lever; 9. a first helical gear; 10. a conversion gear; 11. a second helical gear; 12. a first belt pulley; 13. an outer tube; 14. an inner shaft; 15. a second belt reel; 16. a first drive belt; 17. a third belt pulley; 18. a second rotating rod; 19. a fourth belt pulley; 20. a second drive belt; 21. hooking a needle; 22. fixing the shaft seat; 23. a shaft lever; 24. an adjusting block; 25. a limiting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The bottom plate 1, the first fixed block 2, the second fixed block 3, the third fixed block 4, the fourth fixed block 5, the fifth fixed block 6, the sixth fixed block 7, the first rotating rod 8, the first helical gear 9, the conversion gear 10, the second helical gear 11, the first belt pulley 12, the outer pipe 13, the inner shaft 14, the second belt pulley 15, the first transmission belt 16, the third belt pulley 17, the second rotating rod 18, the fourth belt pulley 19, the second transmission belt 20, the crochet hook 21, the fixed shaft seat 22, the shaft rod 23, the adjusting block 24 and the limiting rod 25 are all universal standard parts or parts known by technicians in the field, and the structure and the principle of the bottom plate are known by technicians in technical manuals or conventional experimental methods.

Referring to fig. 1-5, a novel sewing machine comprises a base plate 1, a first fixed block 2 is fixedly connected to the left side of the bottom of the inner cavity of the base plate 1, a fourth fixed block 5 is fixedly connected to the rear side of the inner wall of the base plate 1, a fifth fixed block 6 is fixedly connected to the bottom of the inner cavity of the base plate 1, a sixth fixed block 7 is fixedly connected to the rear side of the inner cavity of the base plate 1, a first rotating rod 8 is movably connected to the surface of the first fixed block 2, a first helical gear 9 is fixedly connected to the left side of the surface of the first rotating rod 8, a conversion gear 10 is movably connected to one side of the sixth fixed block 7 through a bearing, a second helical gear 11 is sleeved on the surface of the first fixed block 2 and positioned on the right side of the first helical gear 9, the conversion gear 10 is engaged with the first helical gear 9 and the second helical gear 11, a first belt pulley 12 is sleeved on the right side of the first helical gear 9 and positioned on the surface of the first rotating rod 8, the second helical gear 11 is fixedly connected with the first belt pulley 12, the second bevel gear 11 and the first belt pulley 12 are both movably connected with the surface of the first rotating rod 8, the first bevel gear 9 is driven to rotate clockwise by rotating the first rotating rod 8, the first bevel gear 9 is engaged with the conversion gear 10, so that the second bevel gear 11 and the first belt pulley 12 are driven to rotate, the second bevel gear 11 and the first belt pulley 12 can rotate on the surface of the first rotating rod 8, and the teeth directions of the first bevel gear 9 and the second bevel gear 11 are opposite, so that the first belt pulley 12 can drive the second belt pulley 15 and the inner shaft 14 to rotate in reverse through the transmission of the first transmission belt 16 through the transmission of the conversion gear 10, the inner shaft 14 can drive the third belt pulley 17 to rotate in reverse, the third belt pulley 17 can drive the fourth belt pulley 19 to rotate in reverse through the transmission of the second transmission belt 20, the fourth belt pulley 19 drives the second rotating rod 18 to rotate in reverse, so that the first rotating rod 8 and the second rotating rod 18 respectively drive the two crochet hooks 21 to rotate in reverse, not only can realize avoiding frequently changing the situation of shuttle peg bottom line, can realize the effect that two lines were made up in reverse moreover, improve work efficiency, solved current sewing machine and generally used the shuttle peg to send the line, can only one-way making up, and the shuttle peg can be because of the not enough condition of appearing replacing the shuttle peg many times of bottom line, waste time and energy, the one-way problem of making up and also having reduced work efficiency moreover.

In this embodiment, specifically, the rear side fixedly connected with second fixed block 3 of bottom plate 1 inner wall, the bottom of bottom plate 1 inner chamber just is located the right side fixedly connected with third fixed block 4 of first fixed block 2, the right-hand member of first bull stick 8 run through second fixed block 3 and third fixed block 4 and with second fixed block 3 and third fixed block 4 swing joint, the equal fixedly connected with fixed axle bed 22 of the opposite face of second fixed block 3 and fourth fixed block 5, one side fixedly connected with outer tube 13 of second fixed block 3 and fourth fixed block 5 is kept away from to fixed axle bed 22.

In this embodiment, specifically, an inner shaft 14 is movably connected to an inner cavity of the outer tube 13, and two ends of the inner shaft 14 respectively penetrate through the second fixing block 3 and the fourth fixing block 5.

In this embodiment, specifically, the left end of the inner shaft 14 is movably connected with the sixth fixing block 7 through a bearing, the left side of the surface of the inner shaft 14 is fixedly connected with a second belt pulley 15, and a first transmission belt 16 is connected between the second belt pulley 15 and the first belt pulley 12 in a transmission manner.

In this embodiment, specifically, a third belt pulley 17 is fixedly connected to one end of the inner shaft 14 away from the fourth fixed block 5.

In this embodiment, specifically, a second rotating rod 18 is fixedly connected to the surface of the fifth fixing block 6, a fourth belt pulley 19 is fixedly connected to the surface of the second rotating rod 18, and a second transmission belt 20 is connected between the fourth belt pulley 19 and the third belt pulley 17 in a transmission manner.

In this embodiment, specifically, the left end of the second rotating rod 18 penetrates through the fourth fixed block 5, and both the end of the second rotating rod 18 away from the fourth fixed block 5 and the end of the first rotating rod 8 away from the third fixed block 4 are fixedly connected with the crochet hook 21.

In this embodiment, specifically, the surface of one side of the second fixed block 3 and the fourth fixed block 5 is movably connected with a shaft rod 23 through a bearing, one end of the shaft rod 23 far away from the second fixed block 3 and the fourth fixed block 5 is fixedly connected with an adjusting block 24, one side of the adjusting block 24 far away from the surface of the shaft rod 23 is fixedly connected with a limiting rod 25, and the limiting rod 25 is respectively contacted with the first transmission belt 16 and the second transmission belt 20.

When the device is used, the first rotating rod 8 is rotated to drive the first bevel gear 9 to rotate clockwise, the first bevel gear 9 is meshed with the conversion gear 10, so that the second bevel gear 11 and the first belt pulley 12 are driven to rotate, the second bevel gear 11 and the first belt pulley 12 can rotate on the surface of the first rotating rod 8, and the teeth directions of the first bevel gear 9 and the second bevel gear 11 are opposite, so that the first belt pulley 12 can drive the second belt pulley 15 and the inner shaft 14 to rotate reversely through the transmission of the first transmission belt 16 through the transmission of the conversion gear 10, the inner shaft 14 can drive the third belt pulley 17 to rotate reversely, the third belt pulley 17 can drive the fourth belt pulley 19 to rotate reversely through the transmission of the second transmission belt 20, the fourth belt pulley 19 drives the second rotating rod 18 to rotate reversely, so that the first rotating rod 8 and the second rotating rod 18 respectively drive the two crochet hooks 21 to rotate reversely, not only can realize avoiding frequently changing the situation of shuttle peg bottom line, can realize the effect that two lines were made up in reverse moreover, improve work efficiency, solved current sewing machine and generally used the shuttle peg to send the line, can only one-way making up, and the shuttle peg can be because of the not enough condition of appearing replacing the shuttle peg many times of bottom line, waste time and energy, the one-way problem of making up and also having reduced work efficiency moreover.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.