CN219621384U

CN219621384U - Loose line structure of roller car

Info

Publication number: CN219621384U
Application number: CN202320640193.1U
Authority: CN
Inventors: 杨光敏; 黄礼花; 张清伟; 童前英
Original assignee: Longchang Contented Shoes Co ltd
Current assignee: Longchang Contented Shoes Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-09-01
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to the technical field of roller trucks and discloses a wire loosening structure of a roller truck, which comprises a fixed plate, wherein a roller truck wire clamping device is arranged on the fixed plate, the roller truck wire clamping device comprises a thimble, the rear part of the roller truck wire clamping device is provided with the wire loosening plate, one side of the wire loosening plate is provided with a pressing plate, one side of the fixed plate is provided with a connecting seat, a piston block is arranged in the connecting seat, the bottom of the piston block is fixedly connected with a push pin, the outer wall of the push pin is sheathed with a spring, the top of the piston block is fixedly connected with a push rod, the outer wall of the connecting seat is clamped with a vertical movable groove, the outer wall of the upper part of the connecting seat is provided with an upper clamping groove, the outer part of the lower part of the connecting seat is provided with a lower clamping groove, the outer wall of the piston block is provided with a threaded hole, and a positioning bolt is connected with a positioning bolt in the lower clamping groove, the upper clamping groove and the vertical movable groove.

Description

Loose line structure of roller car

Technical Field

The utility model belongs to the technical field of roller trucks, and particularly relates to a yarn loosening structure of a roller truck.

Background

The roller car adopts the upper roller and needle feeding to synchronously feed, so that the climbing force is strong, and the needle distance is extremely stable. And the fabric such as leather, canvas and plastic is sewn, so that the fabric is smooth and uniform, does not wrinkle or deform. The ball-shaped and needle-shaped bearings are adopted, so that the ball-shaped and needle-shaped bearing has good lubricating performance, small friction, low noise and durability. Is suitable for sewing horse boots, men boots, women boots, sport shoes, leisure shoes, labor shoes, high-grade leather shoes, bags, sofas and the like.

The prior roller car thread loosening mechanism enables the roller car to have an important structure, such as a thread loosening structure of a roller car disclosed by publication number CN211142428U, the structure is to push a pressing plate to drive the thread loosening plate to extrude a thread loosening needle so as to open a thread clamping device, but when the roller car thread loosening mechanism is used, the pressing plate is easily touched by a person by mistake to cause the thread clamping device to be opened, the whole structure is required to be improved in use safety and reliability, and in order to solve the problem, the thread loosening structure of the roller car is provided.

Disclosure of Invention

The utility model aims at: in order to solve the above-mentioned problem, a yarn loosening structure of a roller car is provided.

The technical scheme adopted by the utility model is as follows: the utility model provides a loose line structure of roller car, includes the fixed plate, install roller car clamp on the fixed plate, roller car clamp includes the thimble, loose line board is installed to roller car clamp's rear portion, one side of loose line board is provided with the pressing plate, the connecting seat is installed to one side of fixed plate, piston block in the connecting seat, the bottom fixedly connected with push pin of piston block, the outer wall of push pin has cup jointed the spring, the top fixedly connected with push rod of piston block;

the outer wall card of connecting seat is equipped with erects the movable groove, the upper portion outer wall of connecting seat has been seted up last draw-in groove, lower draw-in groove has been seted up to the lower part outside of connecting seat, the screw hole has been seted up on the outer wall of piston block, threaded hole threaded connection has positioning bolt, positioning bolt can be in lower draw-in groove go up the draw-in groove with erects the movable inslot activity.

In a preferred embodiment, when the pressing plate is used for pressing and applying force, one side of the thread loosening plate away from the pressing plate moves close to the fixing plate.

In a preferred embodiment, the diameter of the outer wall of the piston rod is adapted to the diameter of the inner wall of the connecting socket.

In a preferred embodiment, the push pin penetrates through the bottom of the connecting seat and the fixing plate in sequence, and the push rod penetrates through the top of the connecting seat.

In a preferred embodiment, a button is fixedly connected to the top end of the push rod.

In a preferred embodiment, a mounting plate is fixedly connected to the outer portion of the lower portion of the connection seat, and the mounting plate is fixedly connected to the fixing plate through bolts.

In a preferred embodiment, the lower clamping groove and the upper clamping groove are communicated with the vertical movable groove, and the lower clamping groove, the upper clamping groove and the vertical movable groove are combined into a concave structure groove.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the roller car wire clamping device, when the positioning bolt is screwed into the upper clamping groove, at the moment, when a person touches the button by mistake, the piston block does not move downwards, so that the roller car wire clamping device 2 is prevented from being opened accidentally due to the fact that the person touches the button by mistake, and the roller car wire clamping device is safer and more reliable to use.

2. According to the structure, when the roller car wire clamp needs to be opened for the wire, the knob can be rotated at the moment, so that the positioning bolt is clamped into the lower clamping groove, and when the roller car wire clamp needs to be opened for a long time, a person does not need to continuously apply force to the pressing plate through the structure, and the roller car wire clamp is more convenient to use.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram of the rear view of the present utility model;

FIG. 3 is a schematic view of a three-dimensional structure of a thimble according to the present utility model;

FIG. 4 is a schematic diagram of the front view of the connecting seat of the present utility model;

FIG. 5 is a schematic side view of the internal structure of the connecting seat of the present utility model;

fig. 6 is a schematic diagram of the structure of the upper clamping groove, the lower clamping groove and the vertical movable groove in the utility model.

The marks in the figure: 1-fixed plate, 2-roller car wire clamp, 3-thimble, 4-pine board, 5-press board, 6-connecting seat, 7-piston piece, 8-push pin, 9-spring, 10-push rod, 11-perpendicular movable groove, 12-upper draw-in groove, 13-lower draw-in groove, 14-screw hole, 15-positioning bolt, 16-button, 17-mounting panel.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are 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.

The following describes a loosening structure of a roller car according to an embodiment of the present utility model in detail with reference to fig. 1 to 6.

Examples:

the embodiment of the utility model provides a thread loosening structure of a roller car, which is shown by referring to fig. 1, 2, 3 and 5, and comprises a fixed plate 1, wherein a roller car thread clamp 2 is installed on the fixed plate 1, the roller car thread clamp 2 comprises a thimble 3, a thread loosening plate 4 is installed at the rear part of the roller car thread clamp 2, one side of the thread loosening plate 4 is provided with a pressing plate 5, one side of the fixed plate 1 is provided with a connecting seat 6, a piston block 7 is arranged in the connecting seat 6, the bottom of the piston block 7 is fixedly connected with a push pin 8, the outer wall of the push pin 8 is sheathed with a spring 9, the top of the piston block 7 is fixedly connected with a push rod 10, an operator can push the push pin 8 downwards by pushing at the moment, the piston block 7 overcomes the elasticity of the spring 9 to downwards move the push pin 8 downwards, so that the thimble 3 is pressed, the thread loosening plate 2 is opened by the thimble 3 when the pressing plate 5 is forced, the thread loosening plate 4 is far away from the fixed plate 1, the thread loosening plate 2 is retracted by the thimble 3, the elastic force of the piston block 7 is retracted by the spring 9 after the structure, and the thread is retracted by the push pin 2, and the thread is returned by the push pin 2.

Referring to fig. 4 and 5, a button 16 is fixedly connected to the top end of the push rod 10, and the piston block 7 is conveniently pushed to move by using the button 16.

Referring to fig. 4-6, a vertical movable groove 11 is clamped on the outer wall of the connecting seat 6, an upper clamping groove 12 is formed on the outer wall of the upper part of the connecting seat 6, a lower clamping groove 13 is formed on the outer wall of the lower part of the connecting seat 6, a threaded hole 14 is formed on the outer wall of the piston block 7, a positioning bolt 15 is connected in the threaded hole 14 in a threaded manner, the positioning bolt 15 can move in the lower clamping groove 13, the upper clamping groove 12 and the vertical movable groove 11, and the positioning bolt 15 moves in the vertical movable groove 11 to prevent the piston block 7 from rotating in the connecting seat 6;

when the structure does not loosen the wire, an operator can rotate the button 16 to drive the piston block 7 to rotate, so that the positioning bolt 15 is clamped into the upper clamping groove 12, and when the operator touches the button 16 by mistake, the piston block 7 does not move downwards at the moment, and further, the roller car wire clamp 2 is prevented from being opened accidentally due to the fact that the operator touches the button 16 by mistake, and the roller car wire clamp 2 is safer to use;

similarly, when the roller car wire clamp 2 needs to be opened for a wire, the knob 16 can be rotated at the moment, so that the positioning bolt 15 is clamped into the lower clamping groove 13, and when the roller car wire clamp 2 needs to be opened for a long time, a person does not need to continuously apply force to the pressing plate 5 through the structure, and the roller car wire clamp is more convenient to use.

Referring to fig. 5, the diameter of the outer wall of the piston block 7 is adapted to the diameter of the inner wall of the connecting seat 6, so as to limit the position of the piston block 7 and simultaneously play a role in positioning the up-and-down movement of the piston block 7.

Referring to fig. 1 and 5, the push pin 8 penetrates the bottom of the connection base 6 and the fixing plate 1 in order, and the push rod 10 penetrates the top of the connection base 6, and the push pin 8 may contact with the pressing plate 5 in this structure.

Referring to fig. 1 and 4, a mounting plate 17 is fixedly coupled to the outside of the lower portion of the connection base 6, the mounting plate 17 is fixedly coupled to the fixing plate 1 by bolts, and the connection base 6 is fixed to the fixing plate 1 by the mounting plate 17.

Referring to fig. 6, the lower clamping groove 13, the upper clamping groove 12 and the vertical movable groove 11 are communicated together, and the lower clamping groove 13, the upper clamping groove 12 and the vertical movable groove 11 are combined into a concave structure groove, and the structure is communicated with the lower clamping groove 13, the upper clamping groove 12 and the vertical movable groove 11 which are in a concave structure, so that the positioning bolt 15 can be freely and movably adjusted.

The implementation principle of the loose wire structure of the roller car provided by the embodiment of the utility model is as follows: when the roller car thread clamp 2 is required to be loosened, an operator presses a knob 16 at the moment to push a push pin 8 to push down, at the moment, a piston block 7 can be driven to move downwards against the elastic force of a spring 9 to drive the push pin 8 to move downwards so as to push a pressing plate 5, when the pressing plate 5 is forced, one side of the thread loosening plate 4, far away from the pressing plate 5, moves close to a fixed plate 1 to further press a thimble 3, the roller car thread clamp 2 is opened by the thimble 3 so as to realize thread loosening, after the structure is loosened in the later period, the piston block 7 can be returned by the elastic force of the spring 9 so as to retract the push pin 8, and then the pressing plate 5 is returned so as to return the thread loosening plate 4, and the thread clamping function of the roller car thread clamp 2 is realized;

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a loose line structure of roller car, includes fixed plate (1), its characterized in that: the roller car wire clamping device is characterized in that the roller car wire clamping device (2) is mounted on the fixed plate (1), the roller car wire clamping device (2) comprises a thimble (3), a wire loosening plate (4) is mounted at the rear part of the roller car wire clamping device (2), a pressing plate (5) is arranged on one side of the wire loosening plate (4), a connecting seat (6) is mounted on one side of the fixed plate (1), a piston block (7) is arranged in the connecting seat (6), a push pin (8) is fixedly connected to the bottom of the piston block (7), a spring (9) is sleeved on the outer wall of the push pin (8), and a push rod (10) is fixedly connected to the top of the piston block (7);

the outer wall card of connecting seat (6) has erectly movable groove (11), last draw-in groove (12) have been seted up to the upper portion outer wall of connecting seat (6), lower draw-in groove (13) have been seted up to the lower part outside of connecting seat (6), threaded hole (14) have been seted up on the outer wall of piston piece (7), threaded hole (14) female connection has positioning bolt (15), positioning bolt (15) can lower draw-in groove (13) go up draw-in groove (12) with erect movable groove (11) internal motion.

2. A roller car yarn loosening structure as claimed in claim 1, wherein: when the pressing plate (5) is used for pressing and applying force, one side, far away from the pressing plate (5), of the thread loosening plate (4) can move close to the fixing plate (1).

3. A roller car yarn loosening structure as claimed in claim 1, wherein: the diameter of the outer wall of the piston block (7) is matched with the diameter of the inner wall of the connecting seat (6).

4. A roller car yarn loosening structure as claimed in claim 1, wherein: the push pin (8) sequentially penetrates through the bottom of the connecting seat (6) and the fixed plate (1), and the push rod (10) penetrates through the top of the connecting seat (6).

5. A roller car yarn loosening structure as claimed in claim 1, wherein: the top end of the push rod (10) is fixedly connected with a button (16).

6. A roller car yarn loosening structure as claimed in claim 1, wherein: the lower part outside fixedly connected with mounting panel (17) of connecting seat (6), mounting panel (17) pass through bolt fixed connection on fixed plate (1).

7. A roller car yarn loosening structure as claimed in claim 1, wherein: the lower clamping groove (13), the upper clamping groove (12) and the vertical movable groove (11) are communicated together, and the lower clamping groove (13), the upper clamping groove (12) and the vertical movable groove (11) are combined into a concave structure groove.