CN219364014U

CN219364014U - Pedal assembly of sewing machine

Info

Publication number: CN219364014U
Application number: CN202320654408.5U
Authority: CN
Inventors: 王丰
Original assignee: Yiming Intelligent Equipment Wenzhou Co ltd
Current assignee: Yiming Intelligent Equipment Wenzhou Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-07-18
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a pedal assembly of a sewing machine, which structurally comprises a mounting frame, wherein a shaft rod is rotatably arranged in the mounting frame, one end of the shaft rod extends out of the mounting frame in a penetrating way and is connected with a force arm, the force arm is used for being connected with a transmission mechanism of the sewing machine, the upper end of the shaft rod is connected with a bottom plate through a connecting rod, two pedals are correspondingly arranged on the bottom plate, a synchronous mechanism is arranged on the bottom plate, the synchronous mechanism is connected with the two pedals and used for controlling the two pedals to synchronously move in opposite directions or deviate from each other, and a locking mechanism used for locking the synchronous mechanism is further arranged on the bottom plate.

Description

Pedal assembly of sewing machine

Technical Field

The utility model relates to the technical field of sewing machines, in particular to a pedal assembly of a sewing machine.

Background

In the prior art, a pedal of the sewing machine is connected with a transmission mechanism of the sewing machine, and the pedal is driven to reciprocate by stepping, so that the transmission mechanism is driven to move, and then the sewing needle is driven to move up and down. When a user steps on the pedal, the two feet are required to be adjusted to a proper distance, so that the user can more comfortably step on the pedal. The current footboard is integrated structure, and its width can not be adjusted, can't satisfy different crowds' user demand.

To solve the above-mentioned problems, at present, chinese patent publication (bulletin) No. CN216919671U discloses a sewing machine platen assembly, which includes a mounting bracket, a cross shaft, a pedal, a position adjusting mechanism, and a long arm; the transverse shaft is arranged on the mounting bracket and can rotate along the central axis of the transverse shaft; the two pedals are arranged on the transverse shaft and can slide along the central axis direction of the transverse shaft; the position adjusting mechanism comprises a wedge body and a screw rod; the wedge body is arranged between the two pedals and moves along a first direction; the wedge body is provided with a wedge surface which faces the pedal; the corresponding wedge surface on each pedal is provided with an inclined surface matched with the wedge surface; the screw rod and the driving wedge body move back and forth along the first direction, the long arm is arranged on the transverse shaft, and the long arm is provided with an installation position connected with a transmission mechanism of the sewing machine. When the pedal adjusting device is used, the wedge-shaped body 5 is driven to move through the screw rod 6, under the cooperation of the wedge-shaped surface 51 and the inclined surface 32, pedals on two sides can be driven to be close to or far away from each other, so that the distance between the pedals on two sides can be adjusted, but a worker can only adjust the distance between the two pedals to a position approximately according to the needs of the worker during adjustment, and in order to ensure the comfort of use after adjustment, the worker also needs to place two feet on the two pedals after one adjustment is finished so as to know whether the current pedal is at the most suitable use position, when the worker is still unsatisfied with the position of the pedals, the worker needs to bend down to adjust the position of the pedals again, and in order to ensure the adjustment to the satisfactory position, the two feet of the worker cannot be separated from the pedals during the adjustment, and the screw rod 6 is rotated until the two pedals are adjusted to the proper positions at the same time, so that the adjustment mode cannot be adjusted to the optimal position in one step, and the adjustment process is complicated.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a pedal assembly of a sewing machine so as to solve the technical problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sewing machine's footboard subassembly, including the mounting bracket, the rotation is provided with the axostylus axostyle in the mounting bracket, and axostylus axostyle one end runs through and extends to outside the mounting bracket and be connected with the arm of force, and the arm of force is used for being connected with sewing machine's drive mechanism, and the axostylus axostyle upper end is connected with the bottom plate through the connecting rod, corresponds on the bottom plate to be provided with two pedals, is provided with synchro mechanism on the bottom plate, and synchro mechanism is connected with two pedals and is used for controlling two pedals and synchronous opposite directions or deviate from the motion, and the bottom plate still is provided with the locking mechanism who is used for locking synchro mechanism.

The utility model is further provided with: the synchronous mechanism comprises two support rods which are respectively fixedly arranged at the lower ends of the two pedals, a first side plate and a second side plate are respectively arranged on opposite sides of the two support rods, a first rack is fixedly arranged at the right rear end of the first side plate, a second rack is fixedly arranged at the left front end of the second side plate, and gears which are meshed with the two first racks are rotatably arranged at the center of the bottom plate.

The utility model is further provided with: the first side plate is provided with a first guide sleeve matched with the second rack at the corresponding position of the second rack, and the second side plate is provided with a second guide sleeve matched with the second rack at the corresponding position of the first rack.

The utility model is further provided with: the guide plates are connected below the support rods, two guide blocks are arranged on the front side and the rear side of the support rods at the upper ends of the guide plates, fixing frames are arranged at the corresponding positions of the guide blocks at the upper ends of the bottom plates, and guide rods which are in sliding fit with the guide blocks are arranged on the fixing frames.

The utility model is further provided with: the locking mechanism comprises a through groove, the through groove is formed in the bottom plate and located at the sliding path of one of the supporting rods, a matching rod is fixedly arranged at the position, corresponding to the through groove, of the lower end of one guide plate, the matching rod is of an L-shaped structure, the other end of the matching rod is connected with a lock sleeve, and a locating rod matched with the matching rod is arranged at the position of the bottom plate, located at the position of the lock sleeve.

The utility model is further provided with: the center of the lock sleeve is provided with a positioning hole matched with the positioning rod, one side of the positioning hole is provided with a threaded hole extending out of the lock sleeve, and the threaded hole is internally rotated with a fastening knob matched with the threaded hole.

The utility model is further provided with: the center of the pedal is provided with a concave accommodating concave position, and a plurality of through holes are uniformly distributed on the inner bottom surface of the accommodating concave position.

In summary, the utility model has the following beneficial effects: when the distance between the two pedals needs to be adjusted, the limiting locking of the locking mechanism on the synchronous mechanism is canceled, at the moment, a user places two feet on the two pedals, controls the two pedals to move in opposite directions or in opposite directions through the force application of the two feet until the distance between the two pedals is adjusted to a proper position, and then the user locks the movement of the synchronous mechanism through the locking mechanism and locks the using positions of the two pedals; according to the pedal adjusting device, when the distance between the two pedals is adjusted, a user can directly tread on the two pedals and adjust the using positions of the two pedals according to the sitting posture requirement, and after adjustment, the pedal positions are locked through the locking mechanism.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of a synchronizing mechanism according to the present utility model;

fig. 3 is a schematic cross-sectional view of the locking mechanism of the present utility model.

Reference numerals: 1. a mounting frame; 10. a shaft lever; 11. force arm; 2. a bottom plate; 3. a pedal; 30. a support rod; 31. a first side plate; 32. a second side plate; 33. a first rack; 34. a second rack; 35. a gear; 36. accommodating the concave position; 37. a through hole; 4. a first guide sleeve; 40. a second guide sleeve; 5. a guide plate; 50. a guide block; 51. a fixing frame; 52. a guide rod; 6. a through groove; 60. a mating lever; 61. a lock sleeve; 62. a positioning rod; 63. positioning holes; 64. a threaded hole; 65. and fastening a knob.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a pedal assembly of a sewing machine according to an embodiment of the present utility model includes a mounting frame 1, a shaft lever 10 is rotatably disposed in the mounting frame 1, one end of the shaft lever 10 extends out of the mounting frame 1 and is connected with a force arm 11, the force arm 11 is connected with a transmission mechanism of the sewing machine, an upper end of the shaft lever 10 is connected with a bottom plate 2 through a connecting rod, two pedals 3 are correspondingly disposed on the bottom plate 2, a synchronization mechanism is disposed on the bottom plate 2, the synchronization mechanism is connected with the two pedals 3 to control the two pedals 3 to move synchronously in opposite directions or in opposite directions, and a locking mechanism for locking the synchronization mechanism is disposed on the bottom plate 2.

When the pedal type sewing machine is used, the pedal 3 drives the bottom plate 2 to swing back and forth, the bottom plate 2 swings back and forth and drives the shaft lever 10 to rotate through the connecting rod, the shaft lever 10 rotates to drive the power arm 11 to move, the power arm 11 is connected with the transmission mechanism of the sewing machine so as to drive the sewing machine to work, and the connection mode of the power arm 11 and the transmission mechanism of the sewing machine is the prior art and is not repeated herein;

when the interval between two pedals 3 needs to be adjusted, the limit locking of the locking mechanism to the synchronous mechanism is canceled, at the moment, a user places two feet on the two pedals 3, controls the two pedals 3 to move in opposite directions or in opposite directions through the force application of the two feet until the interval between the two pedals 3 is adjusted to a proper position, then the user locks the movement of the synchronous mechanism through the locking mechanism, and simultaneously locks the using positions of the two pedals 3, so that the phenomenon that the two pedals 3 are erroneously displaced in the using process of the sewing machine to affect normal work is avoided.

The synchronous mechanism comprises two support rods 30 respectively fixedly arranged at the lower ends of two pedals 3, a first side plate 31 and a second side plate 32 are respectively arranged at the opposite sides of the two support rods 30, a first rack 33 is fixedly arranged at the right rear end of the first side plate 31, a second rack 34 is fixedly arranged at the left front end of the second side plate 32, and a gear 35 which is meshed and matched with the two first racks 33 is rotatably arranged at the center of the bottom plate 2; the first guide sleeve 4 matched with the first side plate 31 is arranged at the position corresponding to the second rack 34, and the second guide sleeve 40 matched with the second side plate 32 is arranged at the position corresponding to the first rack 33; the guide plates 5 are connected below the support rods 30, two guide blocks 50 are arranged on the upper ends of the guide plates 5 and located on the front side and the rear side of the support rods 30, fixing frames 51 are arranged on the upper ends of the bottom plates 2 and located at positions corresponding to the guide blocks 50, and guide rods 52 in sliding fit with the guide blocks 50 are arranged on the fixing frames 51.

When in use, the two support rods 30 and the movable paths of the two pedals 3 above the two support rods 30 are limited by the cooperation between the guide blocks 50 and the guide rods 52, so that the two pedals 3 can move more stably when being adjusted;

the specific working principle of the synchronous mechanism is that, referring to fig. 2, when the left pedal 3 moves, the first rack 33 is driven to move by the support rod 30 and the first side plate 31 below the left pedal, the first rack 33 moves and drives the second rack 34 to move by meshing and matching with the gear 35, the movement path of the second rack 34 is opposite to that of the first rack 33, and the second rack 34 moves and drives the second side plate 32 and the right pedal 3 to move, so that synchronous movement of the two pedals 3 is realized;

by arranging the first guide sleeve 4 and the second guide sleeve 40 to limit the movement paths of the first rack 33 and the second rack 34 respectively, the sliding stability of the first rack 33 and the second rack 34 is further improved, and the first rack 33 or the second rack 34 is prevented from being offset in the movement process to influence the meshing fit with the gear 35.

The locking mechanism comprises a through groove 6, the through groove 6 is formed in the bottom plate 2 and is positioned at the sliding path of one of the support rods 30, a matching rod 60 is fixedly arranged at the lower end of one of the guide plates 5 and corresponds to the through groove 6, the matching rod 60 is of an L-shaped structure, the other end of the matching rod 60 is connected with a lock sleeve 61, and a positioning rod 62 matched with the matching rod is arranged at the position of the lower end of the bottom plate 2, which is positioned at the lock sleeve 61; a locating hole 63 matched with the locating rod 62 is formed in the center of the lock sleeve 61, a threaded hole 64 extending out of the lock sleeve 61 is formed in one side of the locating hole 63, and a fastening knob 65 matched with the threaded hole 64 is arranged in the threaded hole 64 in a rotating mode.

When in use, one pedal 3 drives the support rod 30 and the guide plate 5 at the lower end to move when moving, the guide plate 5 drives the matching rod 60 below the guide plate to move when moving, and smooth movement of the matching rod 60 is ensured by arranging the through groove 6, the matching rod 60 drives the lock sleeve 61 connected with the matching rod 60 to move along the positioning rod 62 when moving, and when the pedal 3 needs to be locked in the use position after being adjusted, only the fastening knob 65 needs to be screwed to lock the lock sleeve 61 and the positioning rod 62, so that the two pedals 3 are locked.

The center of the pedal 3 is provided with a concave containing concave position 36, and a plurality of through holes 37 are uniformly distributed on the inner bottom surface of the containing concave position 36.

In use, the placement of the feet of the operator is facilitated by the provision of the accommodation recess 36, and accumulation of debris in the accommodation recess 36 is avoided by the provision of the through hole 37.

Also, the terms pointed out by the present utility model are as follows: the directional or positional relationships indicated by the terms "front", "rear", "vertical", "horizontal", etc., are based on the directional or positional relationships shown in the drawings, are merely for convenience in describing the utility model and to simplify the description, and are not indicative or implying that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed to limit the scope of the utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The pedal assembly of the sewing machine comprises a mounting rack (1), and is characterized in that: the novel sewing machine is characterized in that a shaft lever (10) is rotationally arranged in the mounting frame (1), one end of the shaft lever (10) penetrates through the mounting frame (1) and is connected with a force arm (11), the force arm (11) is used for being connected with a transmission mechanism of the sewing machine, the upper end of the shaft lever (10) is connected with a bottom plate (2) through a connecting rod, two pedals (3) are correspondingly arranged on the bottom plate (2), a synchronous mechanism is arranged on the bottom plate (2), and the synchronous mechanism is connected with the two pedals (3) and used for controlling the synchronous opposite or deviating movement of the two pedals (3), and the bottom plate (2) is further provided with a locking mechanism used for locking the synchronous mechanism.

2. The pedal assembly of a sewing machine of claim 1, wherein: the synchronous mechanism comprises two supporting rods (30) which are respectively fixedly arranged at the lower ends of two pedals (3), a first side plate (31) and a second side plate (32) are respectively arranged on opposite sides of the supporting rods (30), a first rack (33) is fixedly arranged at the right rear end of the first side plate (31), a second rack (34) is fixedly arranged at the left front end of the second side plate (32), and a gear (35) which is meshed with the two first racks (33) is rotationally arranged at the center of the bottom plate (2).

3. The pedal assembly of the sewing machine of claim 2, wherein: the first side plate (31) is provided with a first guide sleeve (4) matched with the second rack (34) at the corresponding position of the second rack, and the second side plate (32) is provided with a second guide sleeve (40) matched with the second rack (33) at the corresponding position of the first rack.

4. The pedal assembly of the sewing machine of claim 2, wherein: the lower part of each supporting rod (30) is connected with a guide plate (5), two guide blocks (50) are arranged on the front side and the rear side of each supporting rod (30) at the upper end of each guide plate (5), fixing frames (51) are arranged at the corresponding positions of the guide blocks (50) at the upper end of the bottom plate (2), and guide rods (52) which are in sliding fit with the guide blocks (50) are arranged on the fixing frames (51).

5. The pedal assembly of a sewing machine of claim 1, wherein: the locking mechanism comprises a through groove (6), the through groove (6) is formed in the bottom plate (2) and is located at the sliding path of one supporting rod (30), a matching rod (60) is fixedly arranged at the position, corresponding to the through groove (6), of the lower end of one guide plate (5), the matching rod (60) is of an L-shaped structure, the other end of the matching rod is connected with a lock sleeve (61), and a locating rod (62) matched with the lower end of the bottom plate (2) is arranged at the position of the lock sleeve (61).

6. The pedal assembly of the sewing machine of claim 5, wherein: the lock sleeve is characterized in that a locating hole (63) matched with the locating rod (62) is formed in the center of the lock sleeve (61), a threaded hole (64) extending to the outside of the lock sleeve (61) is formed in one side of the locating hole (63), and a fastening knob (65) matched with the threaded hole is arranged in the threaded hole (64).

7. The pedal assembly of the sewing machine of claim 6, wherein: the center of the pedal (3) is provided with a concave containing concave position (36) and a plurality of through holes (37) are uniformly distributed on the inner bottom surface of the containing concave position (36).