CN214694623U

CN214694623U - Sewing machine needle lever take-up thread hooking transmission mechanism

Info

Publication number: CN214694623U
Application number: CN202120807592.3U
Authority: CN
Inventors: 林海涛
Original assignee: Ji'an County Kaiyuan Precision Casting Co ltd
Current assignee: Ji'an County Kaiyuan Precision Casting Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-11-12
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a sewing machine needle bar take-up and thread-hooking transmission mechanism, which relates to the transmission field and comprises a crank, wherein the right end of the crank is provided with a belt groove, the right end of the belt groove is fixedly connected with a main shaft, the right side of the main shaft is provided with a bent shaft close to the edge position, a take-up mechanism is movably sleeved on the bent shaft, a thread-hooking mechanism is arranged below the main shaft, and the left side of the thread-hooking mechanism is provided with a transmission component; this sewing machine needle bar take-up colludes line drive mechanism can drive the crochet hook on retaining ring right side and rotate in the syringe needle below, and transmission effect is better, simple structure, can reduce the noise that produces in the use, facilitates the use, and after the user of service anticlockwise rotation fastening spiral, can take out the needle file in the mounting groove, the convenience is replaced the syringe needle on the needle file, prevents that the syringe needle from damaging the influence normal use, is favorable to this sewing machine needle bar take-up colludes line drive mechanism to use for a long time.

Description

Sewing machine needle lever take-up thread hooking transmission mechanism

Technical Field

The utility model relates to a transmission field specifically is a sewing machine needle bar take-up colludes line drive mechanism.

Background

Domestic sewing machine collects the straight line seam, function such as zigzag seam and keyhole, generally adopt manpower drive, also there is useful motor drive, according to the domestic sewing machine of application in daily have straight line trace sewing machine and zigzag trace sewing machine types such as sewing machine again, some domestic sewing machines still possess the tensile function of automatically regulated line, some then only need lightly press a key alright realize automatic backstitch and function such as automatic trimming, anyone can all easily use, in addition, some domestic sewing machines can also realize professional embroidered function through computer control.

The existing take-up and thread hooking transmission mechanism is poor in transmission effect in the using process, complex in structure and inconvenient to maintain, noise generated at the same time is large, the existing take-up and thread hooking transmission mechanism is not beneficial to use, a needle head is inconvenient to replace, and the use is affected after the needle head is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewing machine needle bar take-up colludes line drive mechanism to solve the current take-up that proposes in the above-mentioned background art and collude line drive mechanism relatively poor in the transmission effect in the use, and the structure is comparatively complicated, inconvenient maintenance, the noise that produces simultaneously is great, is unfavorable for the use, and inconvenient replacement syringe needle, leads to the problem that influences the use after the syringe needle damages.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sewing machine needle bar take-up colludes line drive mechanism, includes the crank, articulate right-hand member is provided with the belt groove, the right-hand member fixedly connected with main shaft in belt groove, the right side of main shaft is close to the border position and is provided with the bent axle, the movable sleeve is equipped with take-up mechanism on the bent axle, the below of main shaft is provided with colludes line mechanism, the left side of colluding line mechanism is provided with drive assembly.

Preferably, the transmission assembly comprises a connecting rod, and gears are arranged at the two ends of the connecting rod, the main shaft and the left end of the thread hooking mechanism.

Preferably, the take-up mechanism includes loose axle one, the upper end of loose axle one is run through and has been seted up the activity hole, the below of loose axle one is provided with loose axle two, loose axle one all is provided with the limiting plate with the coupling part both sides of loose axle two, run through loose axle one on the limiting plate respectively and be provided with the gag lever post with loose axle two, the bottom fixedly connected with mounting bracket of loose axle two, the front end of mounting bracket is provided with the fastening spiral, the bottom movable mounting of mounting bracket has the needle file.

Preferably, the mounting groove has been seted up to the bottom of mounting bracket, the bottom of needle file is provided with the syringe needle, mounting groove and needle file looks adaptation, the needle file passes through fastening spiral movable mounting in the mounting groove.

Preferably, the thread hooking mechanism comprises an auxiliary shaft, a connecting shaft is arranged at the left end of the auxiliary shaft, the connecting shaft is fixedly connected with the gear, a retainer ring is arranged at the position, close to the edge, of the right end of the auxiliary shaft, a hooking needle is connected to the right end of the auxiliary shaft, and the hooking needle is located under the needle seat.

Preferably, the gears at the two ends of the connecting rod are respectively meshed with the gear on the main shaft and the gear on the auxiliary shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the sewing machine needle bar take-up thread hooking transmission mechanism is provided with a transmission assembly, after a belt is installed in a belt groove, the belt can drive a crank to rotate, so that a main shaft fixedly connected with the belt groove can rotate, and further, a thread taking mechanism movably installed on a bent shaft can move up and down;

this sewing machine needle bar take-up thread transmission mechanism that colludes, because loose axle one and loose axle two pass through limiting plate cooperation gag lever post interconnect, when the bent axle begins to rotate, loose axle one can follow the bent axle motion through the activity hole to can drive the needle file and reciprocate, after user's counter-clockwise turning fastening spiral, can take out the needle file in the mounting groove, the convenience is replaced the syringe needle on the needle file, prevent that the syringe needle from damaging and influencing normal use, be favorable to this sewing machine needle bar take-up thread transmission mechanism to use for a long time.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic view of the thread take-up structure of the present invention;

fig. 3 is a schematic structural view of the mounting frame of the present invention;

fig. 4 is a schematic structural view of the thread hooking mechanism of the present invention.

In the figure: 1. a crank; 2. a belt groove; 3. a main shaft; 4. bending a shaft; 5. a thread take-up mechanism; 6. a thread hooking mechanism; 7. a transmission assembly; 8. a connecting rod; 9. a gear; 10. a first movable shaft; 11. a movable hole; 12. a limiting plate; 13. a limiting rod; 14. a second movable shaft; 15. fastening the screw; 16. a mounting frame; 17. a needle seat; 18. mounting grooves; 19. a connecting shaft; 20. a retainer ring; 21. hooking a needle; 22. an auxiliary shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1: referring to fig. 1 and 4, the present invention provides a technical solution: the utility model provides a sewing machine needle bar take-up colludes line drive mechanism, includes crank 1, and crank 1's right-hand member is provided with belt groove 2, and belt groove 2's right-hand member fixedly connected with main shaft 3, the right side of main shaft 3 are close to the border position and are provided with cambered axle 4, and the flexible cover is equipped with take-up mechanism 5 on the cambered axle 4, and the below of main shaft 3 is provided with colludes line mechanism 6, and the left side of colluding line mechanism 6 is provided with drive assembly 7.

The transmission assembly 7 comprises a connecting rod 8, gears 9 are arranged at the two ends of the connecting rod 8, the main shaft 3 and the left end of the thread hooking mechanism 6, and the gears 9 at the two ends of the connecting rod 8 are respectively meshed with the gear 9 on the main shaft 3 and the gear 9 on the auxiliary shaft 22.

The thread hooking mechanism 6 comprises an auxiliary shaft 22, a connecting shaft 19 is arranged at the left end of the auxiliary shaft 22, the connecting shaft 19 is fixedly connected with the gear 9, a retainer ring 20 is arranged at the position, close to the edge, of the right end of the auxiliary shaft 22, and a hooking needle 21 is connected to the right end of the auxiliary shaft 22.

When using, after the belt has been installed in belt trough 2, the belt can drive crank 1 and take place to rotate, thereby main shaft 3 with belt trough 2 fixed connection can rotate, and then movably mounted thread take-up mechanism 5 on bent axle 4 can reciprocate, because the gear 9 at connecting rod 8 both ends meshes with main shaft 3 and gear 9 on the auxiliary shaft 22 respectively, consequently, transmission assembly 7 can be rotatory along with main shaft 3 through gear 9, simultaneously the thread take-up mechanism 6 that is connected with transmission assembly 7 can synchronous revolution, can drive the crochet hook 21 on retaining ring 20 right side rotatory in the syringe needle below, the transmission effect is better, moreover, the steam generator is simple in structure, can reduce the noise that produces in the use, and is convenient to use.

Example 2: referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a sewing machine needle bar take-up colludes line drive mechanism, includes crank 1, and crank 1's right-hand member is provided with belt groove 2, and belt groove 2's right-hand member fixedly connected with main shaft 3, the right side of main shaft 3 are close to the border position and are provided with cambered axle 4, and the flexible cover is equipped with take-up mechanism 5 on the cambered axle 4, and the below of main shaft 3 is provided with colludes line mechanism 6, and the left side of colluding line mechanism 6 is provided with drive assembly 7.

The take-up mechanism 5 comprises a first movable shaft 10, a movable hole 11 is formed in the upper end of the first movable shaft 10 in a penetrating mode, a second movable shaft 14 is arranged below the first movable shaft 10, limiting plates 12 are arranged on two sides of the connecting portion of the first movable shaft 10 and the second movable shaft 14 respectively, limiting rods 13 are arranged on the limiting plates 12 in a penetrating mode, the first movable shaft 10 and the second movable shaft 14 are respectively provided with a limiting rod, a mounting frame 16 is fixedly connected to the bottom end of the second movable shaft 14, a fastening spiral 15 is arranged at the front end of the mounting frame 16, and a needle seat 17 is movably mounted at the bottom end of the mounting frame 16.

The bottom end of the mounting rack 16 is provided with a mounting groove 18, the bottom end of the needle seat 17 is provided with a needle head, the mounting groove 18 is matched with the needle seat 17, and the needle seat 17 is movably mounted in the mounting groove 18 through a fastening screw 15.

When using, because one loose axle 10 and loose axle two 14 pass through limiting plate 12 cooperation gag lever post 13 interconnect, when the bent axle 4 begins to rotate, loose axle 10 can be along with the motion of bent axle 4 through activity hole 11, thereby can drive needle file 17 and reciprocate, after user's counter-clockwise turning fastening spiral 15, can take out the needle file 17 in the mounting groove 18, the convenience is replaced the syringe needle on the needle file 17, prevent that the syringe needle from damaging and influencing normal use, be favorable to this sewing machine needle bar take-up and collude line drive mechanism and use for a long time.

The working principle is as follows: for the sewing machine needle bar take-up thread hooking transmission mechanism, firstly, a belt is arranged in a belt groove 2, then a sewing machine is started, the belt can drive a crank 1 to rotate, so that a main shaft 3 fixedly connected with the belt groove 2 can rotate, further a thread taking-up mechanism 5 movably arranged on a bent shaft 4 can move up and down, as gears 9 at two ends of a connecting rod 8 are respectively meshed with gears 9 on the main shaft 3 and an auxiliary shaft 22, a transmission component 7 can rotate along with the main shaft 3 through the gears 9, meanwhile, a thread hooking mechanism 6 connected with the transmission component 7 can synchronously rotate, a hooking needle 21 at the right side of a retainer ring 20 can be driven to rotate below a needle head, the transmission effect is better, the structure is simple, the noise generated in the use process can be reduced, the use is convenient, and as a first movable shaft 10 and a second movable shaft 14 are matched with a limiting rod 13 through a limiting plate 12 to be mutually connected, when the bent axle 4 begins to rotate, a loose axle 10 can move along with the bent axle 4 through the movable hole 11 to can drive the needle file 17 and reciprocate, after the fixed spiral 15 on the user's anticlockwise rotation mounting bracket 16, can take out the needle file 17 in the mounting groove 18, conveniently replace the syringe needle on the needle file 17, prevent that the syringe needle from damaging and influencing normal use, be favorable to this sewing machine needle bar take-up and collude line drive mechanism and use for a long time.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sewing machine needle bar take-up colludes line drive mechanism, includes crank (1), its characterized in that, the right-hand member of crank (1) is provided with race (2), right-hand member fixedly connected with main shaft (3) of race (2), the right side of main shaft (3) is close to border position and is provided with bent axle (4), the movable sleeve is equipped with take-up mechanism (5) on bent axle (4), the below of main shaft (3) is provided with colludes line mechanism (6), the left side of colluding line mechanism (6) is provided with drive assembly (7).

2. The sewing machine needle bar take-up and thread hooking transmission mechanism according to claim 1, characterized in that the transmission assembly (7) comprises a connecting rod (8), and gears (9) are arranged at both ends of the connecting rod (8), the main shaft (3) and the left end of the thread hooking mechanism (6).

3. The sewing machine needle bar take-up thread hooking transmission mechanism according to claim 1, characterized in that the take-up mechanism (5) comprises a first movable shaft (10), a movable hole (11) is formed in the upper end of the first movable shaft (10) in a penetrating mode, a second movable shaft (14) is arranged below the first movable shaft (10), limiting plates (12) are arranged on two sides of the connecting portion of the first movable shaft (10) and the second movable shaft (14), limiting rods (13) are arranged on the limiting plates (12) in a penetrating mode on the first movable shaft (10) and the second movable shaft (14) respectively, a mounting frame (16) is fixedly connected to the bottom end of the second movable shaft (14), fastening screws (15) are arranged at the front end of the mounting frame (16), and a needle seat (17) is movably mounted at the bottom end of the mounting frame (16).

4. The thread take-up and hooking transmission mechanism for the needle lever of the sewing machine as claimed in claim 3, wherein a mounting groove (18) is formed at the bottom end of the mounting frame (16), the needle head is arranged at the bottom end of the needle seat (17), the mounting groove (18) is matched with the needle seat (17), and the needle seat (17) is movably mounted in the mounting groove (18) through a fastening screw (15).

5. The take-up and take-up transmission mechanism of the needle lever of the sewing machine according to claim 1, wherein the take-up mechanism (6) comprises an auxiliary shaft (22), a connecting shaft (19) is arranged at the left end of the auxiliary shaft (22), the connecting shaft (19) is fixedly connected with the gear (9), a retainer ring (20) is arranged at the right end of the auxiliary shaft (22) close to the edge, a take-up needle (21) is connected to the right end of the auxiliary shaft (22), and the take-up needle (21) is positioned under the needle seat (17).

6. The needle lever take-up and take-up transmission mechanism of a sewing machine according to claim 2, wherein the gears (9) at the two ends of the connecting rod (8) are respectively meshed with the gear (9) on the main shaft (3) and the gear (9) on the auxiliary shaft (22).