CN220183552U - Needle distance adjusting device of sewing machine - Google Patents

Abstract

The utility model belongs to the technical field of sewing machines, and discloses a needle distance adjusting device of a sewing machine, which comprises a frame body and a guiding structure, wherein the frame body comprises a bottom frame and an upper frame, a needle head is arranged on the upper frame, a driving piece is arranged in the bottom frame and used for enabling the upper frame to be close to or far away from the bottom frame, and the guiding structure is used for guiding when the driving piece drives the upper frame to move up and down. The driving piece is an electric telescopic rod, and the output end part of the electric telescopic rod is connected with the bottom end of the upper frame through a bolt. According to the utility model, when the distance between the needle head and the sewing cloth is adjusted, the upper frame can be driven to move up and down only by starting the electric telescopic rod in the mounting groove, the distance between the upper frame and the bottom frame is adjusted quickly and conveniently, manual adjustment is not needed, excessive structures are not needed, the production difficulty is reduced, in addition, the guide rod can move linearly along the guide groove when the upper frame moves, and the stability of the upper frame moving up and down can be effectively improved.

Description

Needle distance adjusting device of sewing machine

Technical Field

The utility model belongs to the technical field of sewing machines, and particularly relates to a needle distance adjusting device of a sewing machine.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more types of stitch on the sewing materials, so that one or more layers of the sewing materials are interwoven or sewn together, the needle head of the sewing machine is indispensable for realizing sewing, and the distance between the needle head and the sewing cloth can be adjusted by some existing sewing machines so as to adapt to the requirements of sewing cloth with different thicknesses.

In the patent of 202222201322.5, a sewing machine gauge adjusting device is disclosed, described "through setting up rack, gear, dwang, crank in this patent, through rotating the crank for the straight line distance between syringe needle and the sewing cloth increases, and through setting up fixed plate, handle, threaded rod, slide bar, baffle, shifting block, spring, through rotating the handle, make the fixed plate can remove along the slide bar, the fixed plate carries out spacingly" the crank, this adjusting device can realize the adjustment of distance between syringe needle and the sewing cloth, but overall structure is numerous, comparatively complicated when production, and general frame is heavier, comparatively waste time and energy through manual rotation adjustment.

Disclosure of Invention

The utility model aims to provide a needle distance adjusting device of a sewing machine, which solves the problems that the prior adjusting device provided in the background art has a plurality of integral structures, is complex in production and is time-consuming and labor-consuming in manual rotation adjustment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a stitch length adjusting device for a sewing machine, comprising:

the needle head is arranged on the upper frame, a driving piece is arranged in the bottom frame, and the driving piece is used for enabling the upper frame to be close to or far away from the bottom frame;

and the guide structure is used for guiding when the driving piece drives the upper frame to move up and down.

Preferably, the driving piece is an electric telescopic rod, and the output end part of the electric telescopic rod is connected with the bottom end of the upper frame through a bolt.

Preferably, the upper end surface of the bottom end of the underframe is concavely formed with a mounting groove, and the electric telescopic rod is mounted in the mounting groove.

Preferably, the guide structure includes:

the guide groove is formed in the upper end face of the guide groove;

one end of the guide rod is fixed at the bottom end of the upper frame, and the guide rod is in sliding fit with the guide groove.

Preferably, an opening is formed in the outer wall of the underframe, the opening is communicated with the mounting groove, and a movable baffle is arranged in the opening.

Preferably, the two sides of the movable baffle are respectively fixed with an inserting strip, the two sides of the opening are respectively provided with a slot, and the inserting strips are inserted and matched with the slots.

Compared with the prior art, the utility model has the beneficial effects that:

(1) When the distance between the needle head and the sewing cloth is adjusted, the upper frame can be driven to move up and down only by starting the electric telescopic rod in the mounting groove, the distance between the upper frame and the bottom frame is adjusted quickly and conveniently, manual adjustment is not needed, excessive structures are not needed, and the production difficulty is reduced.

(2) According to the utility model, the guide structure is arranged, so that the guide rod can linearly move along the guide groove when the upper frame moves up and down, the stability of the upper frame in moving up and down can be effectively improved, and the upper frame is not easy to deviate.

(3) When the movable baffle is installed, the cutting is only required to be inserted along the upper port of the slot, so that the installation is convenient and quick, and the subsequent quick disassembly is facilitated.

Drawings

FIG. 1 is an external view of the present utility model;

FIG. 2 is a cross-sectional view of the chassis of the present utility model;

FIG. 3 is a top view of the chassis of the present utility model;

fig. 4 is an enlarged view of a portion a in fig. 3;

in the figure: 1. a chassis; 2. loading on a frame; 3. a needle; 4. an opening; 5. a movable baffle; 6. a mounting groove; 7. an electric telescopic rod; 8. a guide groove; 9. a guide rod; 10. cutting; 11. a slot.

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.

Fig. 1 is an external view of the present utility model, and as shown in the drawing, the needle distance adjusting device of the sewing machine comprises a frame body, wherein the frame body comprises a detachable bottom frame 1 and an upper frame 2, and a needle head 3 is arranged on the upper frame 2.

In combination with the illustration of fig. 2, a driving member is installed in the chassis 1, the driving member is used for making the upper frame 2 close to or far away from the chassis 1, and the distance between the chassis 1 and the upper frame 2 is adjusted by the driving member, so that the linear distance between the needle head 3 and the sewing cloth can be adjusted, and the requirement of sewing cloth with different thicknesses can be adapted.

Referring to fig. 2, an installation groove 6 is formed in a concave shape on the upper end surface of the bottom end of the bottom frame 1, a driving piece is an electric telescopic rod 7, the output end of the electric telescopic rod 7 is connected with the bottom end of the upper frame 2 through a bolt, and the electric telescopic rod 7 is installed in the installation groove 6.

By last, start electric telescopic handle 7 in the mounting groove 6, can utilize electric telescopic handle 7 drive to put on the shelf 2 and reciprocate, go up the interval adjustment between shelf 2 and the chassis 1 and swiftly convenient, need not manual adjustment, and need not to set up too much structure, reduced the production degree of difficulty.

In addition, the needle distance adjusting device of the sewing machine further comprises a guide structure, wherein the guide structure is used for guiding when the driving piece drives the upper frame 2 to move up and down.

Specifically, referring to fig. 2 to 3, the guiding structure includes:

the guide groove 8 is formed in the upper end face of the guide groove 8;

the guide rod 9, one end of the guide rod 9 is fixed at the bottom end of the upper frame 2, and the guide rod 9 is in sliding fit with the guide groove 8.

Through the technical scheme:

the guide structure is provided with at least one group, when the upper frame 2 moves up and down, the guide rod 9 can move linearly along the guide groove 8, so that the stability of the upper frame 2 in moving up and down can be effectively improved, and the deviation is not easy to occur.

In addition, referring to fig. 1 and 3, an opening 4 is formed in the outer wall of the chassis 1, the opening 4 is communicated with the mounting groove 6, a movable baffle 5 is arranged in the opening 4, when the electric telescopic rod 7 in the mounting groove 6 is exposed by opening the movable baffle 5 in use, the electric telescopic rod is convenient to overhaul, and the opening 4 can be blocked by mounting the movable baffle 5.

Further, referring to fig. 4, the two sides of the movable baffle 5 are respectively fixed with a cutting 10, the two sides of the opening 4 are respectively provided with a slot 11, and the cutting 10 is inserted and matched with the slots 11.

Specifically, when the movable baffle 5 is installed, the cutting 10 is only required to be inserted along the upper port of the slot 11, so that the installation is convenient and quick, and the subsequent quick detachment is facilitated.

Furthermore, the outer protruding blocks can be fixed on the outer wall of the movable baffle plate 5, and the anti-skid patterns are formed on the outer protruding blocks, so that the movable baffle plate 5 is pulled by the protruding blocks outside the anti-skid patterns, and the force application of the hands of the staff is facilitated.

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

Claims (2)

1. A stitch length adjusting device for a sewing machine, comprising:

the needle head (3) is arranged on the upper frame (2), a driving piece is arranged in the bottom frame (1), and the driving piece is used for enabling the upper frame (2) to be close to or far away from the bottom frame (1);

the guide structure is used for guiding when the driving piece drives the upper frame (2) to move up and down;

the driving piece is an electric telescopic rod (7), and the output end part of the electric telescopic rod (7) is connected with the bottom end of the upper frame (2) through a bolt;

the upper end face of the bottom end of the underframe (1) is concave to form an installation groove (6), and the electric telescopic rod (7) is installed in the installation groove (6)

An opening (4) is formed in the outer wall of the underframe (1), the opening (4) is communicated with the mounting groove (6), and a movable baffle (5) is arranged in the opening (4);

the two sides of the movable baffle (5) are respectively fixed with an inserting strip (10), the two sides of the opening (4) are respectively provided with an inserting groove (11), and the inserting strips (10) are inserted and matched with the inserting grooves (11).

2. The stitch length adjusting device of a sewing machine of claim 1, wherein: the guide structure includes:

the guide groove (8) is formed in the upper end face of the guide groove (8);

the guide rod (9), one end of guide rod (9) is fixed in the bottom of upper bracket (2), and guide rod (9) sliding fit is in guide slot (8).