CN216009384U

CN216009384U - Bidirectional silencing drag chain

Info

Publication number: CN216009384U
Application number: CN202121749484.1U
Authority: CN
Inventors: 赵明凯; 王文波
Original assignee: Guangdong Changlong Towline Co ltd
Current assignee: Shenzhen Southern Tiancheng Tool Machine Accessories Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-03-11
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a bidirectional silencing drag chain which comprises a plurality of chain links sequentially connected end to end, wherein a rotating shaft seat is arranged on the outer wall of one end of each chain link, a rotating shaft is integrally connected onto the inner wall of the other end of each chain link, the rotating shaft is matched with the rotating shaft seat, an arc-shaped clamping groove embedded with an elastic piece is integrally connected onto the outer wall of each chain link and positioned above the rotating shaft seat, a first stop block and a second stop block which respectively keep a distance from two ends of the arc-shaped clamping groove are integrally connected onto the inner wall of each chain link, the first stop block and the second stop block respectively abut against or keep a distance from two ends of the elastic piece, a sliding block extends towards one side of the arc-shaped clamping groove, a notch is formed in the arc-shaped clamping groove, and the sliding block is matched with the notch. The utility model improves the loading capacity of the drag chain, prolongs the service life of the drag chain, uses the bidirectional compression spring to buffer the change of the state of the drag chain, eliminates the hard contact noise, improves the practicability and improves the market competitiveness of the product.

Description

Bidirectional silencing drag chain

Technical Field

The utility model belongs to the technical field of drag chain equipment, and particularly relates to a bidirectional silencing drag chain.

Background

The tow chain plays to pull and guard action to built-in cable of machinery, oil pipe, trachea, water pipe etc. makes the whole more pleasing to the eye that looks of machinery simultaneously, by a great deal of fields such as wide application in digit control machine tool, stone material machinery, glass machinery, door and window machinery, injection molding machine, manipulator, jack-up transportation equipment, automatic storehouse, prior art's tow chain is many to be connected by a plurality of chain link and is constituteed, the tow chain can divide the tow chain into the triplex according to the motion state when using: the lower section of the drag chain, the turning ring section and the upper section of the drag chain.

The unsettled bearing capacity of current tow chain is less, when tow chain length is longer, the tow chain can appear the bending of different degree under the effect of self weight and built-in cable, pipeline, this kind of bending phenomenon can damage the built-in cable of tow chain and pipeline, if the tow chain atress is too big, can lead to even on the upper segment superpose of tow chain to the tow chain hypomere, the custom is called "the waist of collapsing", seriously shortens the life of tow chain, on the other hand, a plurality of tow chain links are in actual cooperation and working process, receive mechanical friction and vibration influence, relative noise is great, this kind of condition needs to change.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a two-way noise-reduction towline, which solves the above-mentioned problems of the prior art.

For realizing the purpose of the above utility model, the technical scheme adopted is as follows:

a bidirectional silencing drag chain comprises a plurality of chain links which are sequentially connected end to end, a rotating shaft seat is arranged on the outer wall of one end of each chain link, the inner wall of the other end of the chain is integrally connected with a rotating shaft which is matched with the rotating shaft seat and used for limiting and switching between the adjacent chain links, an arc-shaped clamping groove embedded with an elastic piece is integrally connected on the outer wall of the chain link and above the rotating shaft seat, the inner wall of the chain link is integrally connected with a first stop block and a second stop block which respectively keep a distance with two ends of the arc-shaped clamping groove, the first stop block and the second stop block are respectively abutted against or keep a distance with two ends of the elastic piece, the first stop block and the second stop block extend towards one side of the arc-shaped clamping groove to form a sliding block, openings are formed in two ends of the arc-shaped clamping groove, and the sliding block is matched with the openings.

The utility model is further configured to: the chain link is provided with a guide groove, the guide groove extends along the arc direction of the arc-shaped clamping groove and is communicated with the arc-shaped clamping groove, the top end of the first stopping block is integrally connected with a guide block, and the guide block is matched with the guide groove and slides along the guide groove and is used for guiding and switching among the chain links.

The utility model is further configured to: and an empty avoiding groove is formed in the inner wall of the chain link and positioned between the first stop block and the second stop block, corresponds to the arc-shaped clamping groove and is used for fixing the elastic piece.

The utility model is further configured to: the two sides of the chain link are correspondingly provided with alignment grooves, the two ends of the chain link integrally extend to form alignment blocks, and the alignment blocks are matched with the alignment grooves and used for structural sealing and empty leakage prevention when the drag chain is in a bending state.

The utility model is further configured to: the connecting line of the axes of the rotating shaft and the rotating shaft seat is positioned below the axial center line of the chain links, is used for supporting and limiting the adjacent lever between the chain links to turn, is used for converting the bearing gravity of the drag chain into the transverse pulling force at the lower part and the transverse jacking force at the upper part, and is used for increasing the strength and the bearing capacity of the drag chain.

The utility model is further configured to: and reinforcing ribs are arranged on the outer wall of the chain link and at the joint of the chain link and the rotating shaft seat.

In summary, compared with the prior art, the utility model discloses a bidirectional silencing tow chain, wherein a rotating shaft is matched with a rotating shaft seat, an arc-shaped clamping groove embedded with an elastic piece is integrally connected to the outer wall of a chain link and positioned above the rotating shaft seat, a first stopping block and a second stopping block which are respectively kept at a distance from two ends of the arc-shaped clamping groove are integrally connected to the inner wall of the chain link, the first stopping block and the second stopping block are respectively abutted against or kept at a distance from two ends of the elastic piece, a sliding block extends towards one side of the arc-shaped clamping groove from the first stopping block and the second stopping block, a notch is formed in the arc-shaped clamping groove, and the sliding block is matched with the notch. Through this setting promptly, improve tow chain load capacity, extension tow chain life is by two-way oppression spring buffering tow chain state change, eliminates hard contact noise, improves the practicality, improves product market competition.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a first structure diagram of the cooperation of adjacent chain links of a bidirectional noise reduction drag chain provided by the embodiment;

FIG. 2 is a second structure diagram of the two-way noise-reduction drag chain;

FIG. 3 is a first schematic view of the overall structure of the chain link provided in the present embodiment;

fig. 4 is a schematic overall structure diagram of the link according to the present embodiment.

Reference numerals: 1. a chain link; 11. a guide groove; 12. an empty avoiding groove; 13. a positioning groove; 14. a positioning block; 15. reinforcing ribs; 2. a rotating shaft seat; 3. a rotating shaft; 4. an elastic member; 5. an arc-shaped clamping groove; 51. opening the gap; 6. a first stop block; 61. a guide block; 7. a second stop block; 8. a slide block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described above may be combined with each other as long as they do not conflict with each other.

A bidirectional silencing drag chain is shown in figures 1-4 and comprises a plurality of chain links 1 which are sequentially connected end to end, a rotating shaft seat 2 is arranged on the outer wall of one end of each chain link 1, the inner wall of the other end is integrally connected with a rotating shaft 3, the rotating shaft 3 is matched with the rotating shaft seat 2 and used for limiting and switching between adjacent chain links 1, an arc-shaped clamping groove 5 embedded with an elastic piece 4 is integrally connected on the outer wall of the chain link 1 and above the rotating shaft seat 2, the inner wall of the chain link 1 is integrally connected with a first stop block 6 and a second stop block 7 which are respectively kept at a distance from two ends of the arc clamping groove 5, the first stop block 6 and the second stop block 7 are respectively kept at a distance from two ends of the elastic piece 4 in an abutting mode, the first stop block 6 and the second stop block 7 extend towards one side of the arc clamping groove 5 to form a slide block 8, openings 51 are formed in two ends of the arc clamping groove 5, and the slide block 8 is matched with the openings 51.

In the specific implementation process, along with the angle change among the plurality of chain links 1, the first stop block 6 and the second stop block 7 respectively arranged at the two ends of the arc-shaped clamping groove 5 sequentially press or release the elastic element 4 through the notch 51, so that the hard contact among the chain links 1 is reduced, the two-way silencing and slow moving effects are achieved, further, the first stop block 6 and the second stop block 7 are abutted to the elastic element 4 through the matching of the sliding block 8 and the notch 51, and the matching of the sliding block 8 and the notch 51 also achieves the alignment effect.

Further, the guide groove 11 has been seted up on chain link 1, guide groove 11 extend along the arc direction of arc draw-in groove 5 and communicate with arc draw-in groove 5, and a top body coupling of first backstop piece 6 has guide block 61, and guide block 61 and guide groove 11 phase-match slide along guide groove 11 for direction switching between a plurality of chain links 1 to this improves structural stability and practicality.

Wherein, an empty avoiding groove 12 is arranged on the inner wall of the chain link 1 and between the first stop block 6 and the second stop block 7, and the empty avoiding groove 12 corresponds to the arc-shaped clamping groove 5 and is used for fixing the elastic piece 4.

It should be noted that, the two sides of the chain link 1 are correspondingly provided with the alignment grooves 13, the two ends of the chain link 1 integrally extend to form the alignment blocks 14, and the alignment blocks 14 are matched with the alignment grooves 13 and used for structural sealing and void leakage prevention when the drag chain is in a bending state.

In the specific implementation process, the axis connecting line of the rotating shaft 3 and the rotating shaft seat 2 is positioned below the axial center line of the chain links 1, is used for supporting and limiting the rotation of the lever between the adjacent chain links 1, is used for converting the bearing gravity between the chain links 1 into the transverse pulling force at the lower part and the transverse jacking force at the upper part, and is used for increasing the strength and the bearing capacity of the drag chain.

Wherein, the outer wall of the chain link 1 and the connection part of the rotating shaft seat 2 are also provided with reinforcing ribs 15 to improve the structural strength.

In conclusion, the utility model has the following beneficial effects: the utility model discloses a bidirectional silencing drag chain, wherein an arc-shaped clamping groove 5 embedded with an elastic part 4 is integrally connected on the outer wall of a chain link 1 and positioned above a rotating shaft seat 2, a first stopping block 6 and a second stopping block 7 which respectively keep a distance with two ends of the arc-shaped clamping groove 5 are integrally connected on the inner wall of the chain link 1, and the first stopping block 6 and the second stopping block 7 respectively abut against or keep a distance with two ends of the elastic part 4.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims

1. The utility model provides a two-way amortization tow chain, includes the chain link that connects gradually between a plurality of heads and tails, its characterized in that: the hinge joint comprises chain links, a rotating shaft seat and a rotating shaft, wherein the outer wall of one end of each chain link is provided with the rotating shaft, the rotating shaft is integrally connected with the inner wall of the other end of each chain link, the rotating shaft is matched with the rotating shaft seat and used for adjacent limiting switching between the chain links, the outer wall of each chain link is provided with the rotating shaft seat, the upper portion of the rotating shaft seat is integrally connected with an arc-shaped clamping groove embedded with an elastic piece, the inner wall of each chain link is integrally connected with a first stopping block and a second stopping block which are respectively kept with a distance at two ends of the arc-shaped clamping groove, the first stopping block and the second stopping block are respectively abutted against or kept with a distance at two ends of the elastic piece, the first stopping block and the second stopping block face a sliding block extended to one side of the arc-shaped clamping groove, gaps are formed at two ends of the arc-shaped clamping groove, and the sliding block is matched with the gaps.

2. The tow chain of claim 1, wherein the chain link is provided with a guide groove extending along the arc direction of the arc-shaped slot and communicating with the arc-shaped slot, and the top end of the first stop block is integrally connected with a guide block, the guide block is matched with the guide groove and slides along the guide groove for guiding and switching among the plurality of chain links.

3. The two-way noise reduction drag chain of claim 1, wherein a clearance groove is formed on the inner wall of the chain link between the first stop block and the second stop block, and the clearance groove corresponds to the arc-shaped clamping groove for fixing the elastic member.

4. The bidirectional silencing towline of claim 1, wherein each side of the chain link is correspondingly provided with an aligning groove, each end of the chain link integrally extends with an aligning block, and the aligning blocks are matched with the aligning grooves and used for structural sealing and void leakage prevention when the towline is in a bending state.

5. The bidirectional silencing towline of claim 1 wherein the axis connecting line of said pivot and said pivot seat is located below the axial centerline of said chain links for lever support and limited pivoting between adjacent said chain links for converting the loading gravity of the towline into a lower lateral pulling force and an upper lateral jacking force for increasing the towline strength and load-carrying capacity.

6. The bidirectional silencing towline of claim 1 wherein a reinforcement is further provided on the outer wall of said chain link and at the junction with said pivot base.