CN219079762U

CN219079762U - Jacquard pull rod adjusting joint not easy to deviate

Info

Publication number: CN219079762U
Application number: CN202223463387.3U
Authority: CN
Inventors: 俞海龙; 袁嘉靖; 胥秀英; 袁国祥
Original assignee: Hangzhou Tianhang Fabric Co ltd
Current assignee: Hangzhou Tianhang Fabric Co ltd
Priority date: 2022-12-25
Filing date: 2022-12-25
Publication date: 2023-05-26
Anticipated expiration: 2032-12-25

Abstract

The utility model discloses a jacquard pull rod adjusting joint which is not easy to deviate, comprising a joint swing arm, wherein the left side and the right side in the joint swing arm are embedded and fixedly provided with metal sliding rails through screws, limiting sliding blocks are arranged in the metal sliding rails, the limiting sliding blocks at the left side and the right side of the joint swing arm are connected with a central shaft through threads, the central shaft is connected with a pull rod joint through a ball bearing, one end of the pull rod joint is fixedly connected with a square frame joint through screws.

Description

Jacquard pull rod adjusting joint not easy to deviate

Technical Field

The utility model relates to the technical field of jacquard, in particular to a jacquard pull rod adjusting joint which is not easy to deviate.

Background

The jacquard machine, also called flower machine, is a man-power textile machine, equipped with jacquard mechanism capable of lifting each warp yarn respectively, can be used for weaving complex large-pattern fabric, is an important utility model in ancient China, and its lifting knife driving structure mainly uses swinging arm shaft to make rotation and driving swinging arm to make up-and-down reciprocating motion so as to drive pull rod to make up-and-down motion so as to implement jacquard.

The jacquard machine needs to finely tune the pull rod joint when installation and debugging, but traditional jacquard machine pull rod adjusting joint, like chinese patent CN104562359a jacquard machine pull rod joint adjusting structure, adjust through the adjusting screw who runs through chuck bearing, but the stress axle is run through by adjusting screw, when will lead to the pull rod joint to carry out the drawing reciprocally in daily work, the stress concentration of link up the pole screw department, fatigue will appear after long-time work and lead to the fracture, and pull rod joint and horizontal joint slot hole junction rust easily, long-time lifting leads to pull rod joint and horizontal joint slot hole junction to take place to rock and lead to wearing and tearing simultaneously, make the junction further become flexible appear noise.

Disclosure of Invention

The utility model aims to provide a jacquard draw bar adjusting joint which is not easy to deviate, so as to solve the problems that the traditional draw bar joint is easy to rust, wear and break when being used for a long time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a jacquard pull rod adjusting joint that is difficult for skew, includes joint swing arm, joint swing arm passes through adapter sleeve and swing arm axle fixed connection, slide rail embedded groove has all been seted up to the left and right sides in the joint swing arm, slide rail embedded inslot imbeds and has the metal slide rail through screw fixed mounting, be provided with the slip spacing groove between metal slide rail and the slide rail embedded groove, be provided with spacing slider in the slip spacing groove, there is the center pin through threaded connection between the spacing slider of joint swing arm left and right sides, the center pin passes through ball bearing and is connected with the pull rod joint, pull rod joint one end is through screw fixedly connected with square frame joint, the pull rod connecting hole has been seted up on the square frame joint.

Preferably, the metal sliding rail is made of copper or stainless steel, the metal sliding rail is tightly matched with the sliding rail embedding groove, and the roughness of the inner wall of the metal sliding rail is Ra1.6, so that the metal sliding rail is not easy to rust, and the limiting sliding block moves more smoothly.

Preferably, the spacing slider is nylon material, the inside slip spacing groove tight fit of spacing slider and metal slide rail, spacing slider is run through by the center pin, just spacing slider is fixed at the center pin both ends by the hexagon nut, be provided with oval gasket between hexagon nut and the spacing slider, the shape and size of oval gasket is unanimous with the heavy groove in the spacing slider outside, and the resistance that spacing slider was drawn like this is low, and is difficult for deformation when the hexagon nut was screwed up.

Preferably, the adjusting groove is formed in two sides of the joint swing arm, the adjusting groove is communicated to the slide rail embedded groove, two ends of the central shaft penetrate through the adjusting groove, the adjusting groove is slightly larger than the diameter of screw columns at two ends of the central shaft, flange nuts are fixedly connected to two ends of the central shaft through threads, the flange nuts are located the outer sides of the adjusting groove, anti-deflection saw teeth are formed in the periphery of the outer sides of the adjusting groove in a machining mode, an anti-slip gasket is arranged between the flange nuts and the anti-deflection saw teeth, the direction of the anti-deflection saw teeth is perpendicular to the direction of the adjusting groove, and accordingly the position of the pull rod can be adjusted through the adjusting groove.

Preferably, the anti-slip gasket is an elastic rubber gasket, or the anti-slip gasket is a metal gasket, and an anti-slip groove which is mutually embedded with the anti-deflection saw teeth is processed on the inner side, so that the pull rod can be prevented from deflecting.

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

1. through the arrangement of the metal sliding rail and the limiting sliding block, the metal sliding rail made of copper or stainless steel is matched with the limiting sliding block made of nylon, the metal sliding rail is not easy to rust, the roughness is low, the limiting sliding block moves on the metal sliding rail more smoothly, the adjustment is convenient, meanwhile, the limiting sliding block is made of nylon, good lubricating performance can be achieved without adding lubricating oil, cloth cannot be polluted, and meanwhile, the nylon limiting sliding block is strong in shock resistance, fatigue resistance, vibration resistance, low in noise and not easy to age;

2. through the setting of adjustment tank outside anti-off tracking and anti-skidding gasket for after the flange nut was screwed up, anti-skidding gasket can with the mutual gomphosis of anti-off tracking, and the direction perpendicular to adjustment tank of anti-off tracking, therefore can prevent that the center pin from appearing moving along the adjustment tank, avoid appearing the skew.

Drawings

FIG. 1 is a schematic diagram of a joint swing arm structure of the present utility model;

FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the regulating tank of the present utility model;

fig. 4 is a schematic view of a metal sliding rail structure according to the present utility model.

In the figure: 1. a joint swing arm; 2. a connection sleeve; 3. the slide rail is embedded in the groove; 4. a metal slide rail; 5. a sliding limit groove; 6. a limit sliding block; 7. a central shaft; 8. a hexagonal nut; 9. an elliptical gasket; 10. an adjustment tank; 11. a flange nut; 12. anti-deflection saw teeth; 13. an anti-slip gasket; 14. a ball bearing; 15. a pull rod joint; 16. a block joint; 17. and a pull rod connecting hole.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present utility model provides the following schemes:

the utility model provides a jacquard pull rod adjusting joint that is difficult for skew, including joint swing arm 1, joint swing arm 1 passes through adapter sleeve 2 and swing arm axle fixed connection, slide rail embedded groove 3 has all been seted up to the left and right sides in the joint swing arm 1, embedded and pass through screw fixed mounting in the slide rail embedded groove 3 have metal slide rail 4, metal slide rail 4 adopts copper or stainless steel material, corrosion is difficult for appearing in metal slide rail 4 like this, and joint swing arm true problem cost is lower, metal slide rail 4 and slide rail embedded groove 3 closely cooperate, vibrations appear in the during operation, roughness of metal slide rail 4 inner wall is Ra1.6, make the frictional force between spacing slider 6 and the metal slide rail 4 lower, be provided with slip spacing groove 5 between metal slide rail 4 and the slide rail embedded groove 3, the limiting slide block 6 is arranged in the sliding limiting groove 5, the limiting slide block 6 is made of nylon, good lubricating performance can be achieved without adding lubricating oil, cloth cannot be polluted, meanwhile, the nylon limiting slide block 6 is resistant to impact, resistant to fatigue, strong in shockproof performance, low in noise and not prone to aging, the limiting slide block 6 is tightly matched with the sliding limiting groove 5 on the inner side of the metal sliding rail 4, vibration is not prone to occur, the limiting slide block 6 is penetrated by the central shaft 7, the limiting slide block 6 is fixed at two ends of the central shaft 7 by the hexagonal nut 8, an elliptical gasket 9 is arranged between the hexagonal nut 8 and the limiting slide block 6, the shape and size of the elliptical gasket 9 are consistent with those of a sinking groove on the outer side of the limiting slide block 6, and when the hexagonal nut 8 is screwed, the hexagonal nut 8 made of nylon is prevented from being deformed or broken by compression;

the center shaft 7 is connected between the limit sliding blocks 6 on the left side and the right side of the joint swing arm 1 through threads, the adjusting grooves 10 are formed in the two sides of the joint swing arm 1, the adjusting grooves 10 are communicated into the sliding rail embedded grooves 3, the two ends of the center shaft 7 penetrate through the adjusting grooves 10, the adjusting grooves 10 are slightly larger than the diameters of threaded columns on the two ends of the center shaft 7, the two ends of the center shaft 7 are fixedly connected with the flange nuts 11 through threads, the flange nuts 11 are located on the outer sides of the adjusting grooves 10, anti-deflection saw teeth 12 are machined on the periphery of the outer sides of the adjusting grooves 10, anti-deflection gaskets 13 are arranged between the flange nuts 11 and the anti-deflection saw teeth 12, the anti-deflection gaskets 13 are elastic rubber gaskets, or the anti-deflection gaskets 13 are metal gaskets, anti-deflection grooves which are mutually embedded with the anti-deflection saw teeth 12 are machined on the inner sides, so that when the flange nuts 11 are screwed down, the flange nuts 11 can mutually embedded with the anti-deflection saw teeth 12, the anti-deflection saw teeth 12 are perpendicular to the adjusting grooves 10, the position of the center shaft 7 in the adjusting grooves 10 after the tightening of the flange nuts 11 is prevented from deflecting, the positions of the adjusting grooves 10 are machined, the anti-deflection saw teeth 13 are perpendicular to the direction of the center shaft 7 in the adjusting grooves 10, the direction of the joint block joints 15 are connected with the connecting blocks 15 through the connecting blocks 16, and the connecting blocks 15 are formed by the connecting the balls through the connecting blocks 15.

Working principle: when the jacquard draw bar adjusting connector which is not easy to deviate is used, firstly, the connector swing arm 1 is fixedly connected to a swing arm shaft through the connecting sleeve 2, and the swing arm penetrates through the draw bar connecting hole 17 and is fixed to the square connector 16 through threads, so that the draw bar is driven to pull up and down through the draw bar connector 15 to work when the swing arm shaft swings, and the draw bar connector 15 can rotate between the ball bearing 14 and the central shaft 7 during work;

when the height of the pull rod needs to be adjusted, the flange nuts 11 on the two sides of the joint swing arm 1 can be unscrewed, so that the anti-slip gaskets 13 can be separated from the anti-deflection saw teeth 12 on the two sides of the adjusting groove 10, the central shaft 7 can move along the adjusting groove 10 to adjust, the joint swing arm 1 is made of offset cast iron, the cost is lower, but the cost is easy to rust, the metal slide rail 4 made of copper or stainless steel is fixedly arranged in the slide rail embedding groove 3 on the inner side of the joint swing arm 1 through screws, the metal slide rail 4 made of copper or stainless steel is difficult to rust and has higher smoothness, the defect that the joint swing arm 1 is easy to rust can be overcome, the cost can be reduced, the central shaft 7 is matched with the metal slide rail 4 through the limit slide block 6 made of nylon, the lubricating oil does not need to be smeared, the limiting slide block 6 moves smoothly in the sliding limiting groove 5, meanwhile, the noise of the limiting slide block 6 made of nylon can be reduced, the limiting slide block 6 is fixed on the central shaft 7 through the hexagonal nut 8, the oval gasket 9 with the shape and size identical to those of the sinking groove on the outer side of the limiting slide block 6 can prevent the hexagonal nut 8 made of nylon from being deformed or broken under pressure when the hexagonal nut 8 is screwed, the flange nut 11 can be screwed after the adjustment is finished, the flange nut 11 can tightly press the anti-slip gasket 13 and the anti-deflection saw teeth 12 on two sides of the adjusting groove 10 together, the anti-slip gasket 13 and the anti-deflection saw teeth 12 are mutually embedded, the anti-deflection saw teeth 12 are perpendicular to the adjusting groove 10, and the position of the central shaft 7 in the adjusting groove 10 after the flange nut 11 is screwed can be prevented from being deviated in the lifting process, so that a series of works are completed. What is not described in detail in this specification is prior art known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a difficult skew jacquard pull rod adjusting joint, includes joint swing arm (1), its characterized in that: the novel sliding type swing arm is characterized in that the joint swing arm (1) is fixedly connected with a swing arm shaft through a connecting sleeve (2), sliding rail embedded grooves (3) are formed in the left side and the right side of the joint swing arm (1), metal sliding rails (4) are embedded in the sliding rail embedded grooves (3) and fixedly mounted through screws, sliding limit grooves (5) are formed between the metal sliding rails (4) and the sliding rail embedded grooves (3), limit sliding blocks (6) are arranged in the sliding limit grooves (5), a central shaft (7) is connected between the limit sliding blocks (6) on the left side and the right side of the joint swing arm (1) through threads, the central shaft (7) is connected with a pull rod joint (15) through a ball bearing (14), one end of the pull rod joint (15) is fixedly connected with a square joint (16) through screws, and a pull rod connecting hole (17) is formed in the square joint (16).

2. The non-offset jacquard tie-bar adjustment joint of claim 1, wherein: the metal sliding rail (4) is made of copper or stainless steel, the metal sliding rail (4) is tightly matched with the sliding rail embedded groove (3), and the roughness of the inner wall of the metal sliding rail (4) is Ra1.6.

3. The non-offset jacquard tie-bar adjustment joint of claim 1, wherein: the limiting slide block (6) is made of nylon, the limiting slide block (6) is tightly matched with a sliding limiting groove (5) on the inner side of the metal slide rail (4), the limiting slide block (6) is penetrated by a central shaft (7), the limiting slide block (6) is fixed at two ends of the central shaft (7) by hexagonal nuts (8), an elliptical gasket (9) is arranged between the hexagonal nuts (8) and the limiting slide block (6), and the shape and the size of the elliptical gasket (9) are consistent with those of a sinking groove on the outer side of the limiting slide block (6).

4. The non-offset jacquard tie-bar adjustment joint of claim 1, wherein: the utility model discloses a connector swing arm (1) is characterized in that adjusting grooves (10) have been seted up to connector swing arm (1) both sides, in adjusting grooves (10) communicate slide rail embedded groove (3), adjusting grooves (10) are run through at center pin (7) both ends, just adjusting grooves (10) slightly are greater than the diameter of center pin (7) both ends screw post, center pin (7) both ends are through threaded fixedly connected with flange nut (11), flange nut (11) are located adjusting grooves (10) outside, processing all around in adjusting grooves (10) outside has anti-off-set sawtooth (12), be provided with anti-skidding gasket (13) between flange nut (11) and anti-off-set sawtooth (12), the direction of anti-off-set sawtooth (12) is perpendicular to the direction of adjusting grooves (10).

5. The non-offset jacquard tie-bar adjustment joint of claim 4, wherein: the anti-skid gasket (13) is an elastic rubber gasket, or the anti-skid gasket (13) is a metal gasket, and an anti-skid groove which is mutually embedded with the anti-deflection saw teeth (12) is processed on the inner side.