CN208348398U - Heavier-duty drag chain - Google Patents
Heavier-duty drag chain Download PDFInfo
- Publication number
- CN208348398U CN208348398U CN201820539056.8U CN201820539056U CN208348398U CN 208348398 U CN208348398 U CN 208348398U CN 201820539056 U CN201820539056 U CN 201820539056U CN 208348398 U CN208348398 U CN 208348398U
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- CN
- China
- Prior art keywords
- connecting portion
- plate
- side plate
- detent
- drag chain
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Abstract
The utility model discloses a kind of heavier-duty drag chains, chain link including the connection of multiple head and the tail, chain link includes two spaced side plates and upper junction plate and lower connecting plate for connecting two side plate upper and lower sides, adjacent link is connected by side plate, it further include fastener, the side wall of fastener is equipped with annular groove, and one end detent chimb with outward extension of fastener；The both ends of side plate are respectively first connecting portion and second connecting portion, the second connecting portion of side plate is attached at the outside of the first connecting portion of adjacent link, second connecting portion is equipped with positioning through hole, the lateral surface of first connecting portion is equipped with the fixing axle in insertion positioning through hole, fixing axle is equipped with the mounting hole of the coaxial heart, and the inner wall of the mounting hole is equipped with annular protrusion；The fastener is by positioning through hole insertion mounting hole, so that annular protrusion is embedded in annular groove, the detent chimb is positioned in outside second connecting portion.Using the utility model drag chain when, be not in stuck problem between adjacent link.
Description
Technical field
The utility model relates to drag chain field more particularly to a kind of heavier-duty drag chains.
Background technique
For route, perhaps the mechanical structure of gas path layout's complexity needs to install spool, oil pipe or gas by drag chain
Pipe.Wherein, drag chain generally requires to carry out divertical motion, and in steering procedure, adjacent link has the movement of relative rotation.And show
Locked problem is easy to appear between the adjacent link for having the drag chain of technology.If between adjacent link lock, cause chain link it
Between cannot rotate, be not able to satisfy the requirement of drag chain.
Summary of the invention
Technical problem to be solved by the utility model is to provide a kind of heavier-duty drag chains, and it is locked to solve adjacent link
The problem of.
In order to solve the above-mentioned technical problem, the utility model provides a kind of heavier-duty drag chain, including the connection of multiple head and the tail
Chain link, the chain link include two spaced side plates and upper junction plate for connecting two side plate upper and lower sides and under
Connecting plate, adjacent link are connected by side plate, further include fastener, and the side wall of the fastener is equipped with annular groove, and fastener
One end detent chimb with outward extension；
The both ends of the side plate are respectively first connecting portion and second connecting portion, and the second connecting portion of side plate is attached at adjacent
The outside of the first connecting portion of chain link, the second connecting portion are equipped with positioning through hole, and the lateral surface of the first connecting portion is set
There is the fixing axle in insertion positioning through hole, the fixing axle is equipped with the mounting hole of the coaxial heart, the inner wall of the mounting hole
Equipped with annular protrusion；
The fastener is by positioning through hole insertion mounting hole, so that annular protrusion is embedded in annular groove, the detent is convex
Checkpost is located at outside second connecting portion.
As an improvement of the above scheme, the fixing axle is equipped with annular mounting groove, and the second connecting portion of side plate is equipped with ring
Shape protrusion, the inner wall of the annular protrusion form positioning through hole, and the annular protrusion is embedded in the annular mounting groove.
As an improvement of the above scheme, the inner sidewall of the side plate is equipped with upper button bit block and lower button bit block, the upper connection
The upper button bit block of plate and two side plates is interlockingly connected, and the lower button bit block of the lower connecting plate and two side plates is interlockingly connected.
As an improvement of the above scheme, the side of the upper button bit block and lower button bit block is equipped with detent raised line, it is described on
Connecting plate and lower connecting plate are equipped with card slot compatible with detent raised line.
As an improvement of the above scheme, the upper junction plate and lower connecting plate are equipped with detent mouth, the upper button bit block and
Lower button bit block is equipped with the detent protrusion protruded into detent mouth in one end far from side plate.
As an improvement of the above scheme, the second connecting portion is equipped with limited block, and the first connecting portion is equipped with limiting slot,
Limited block is set in the limiting slot of adjacent side plates.
As an improvement of the above scheme, the lateral surface of the first connecting portion is equipped with invagination receiving portion, and the fixing axle is set
In in invagination receiving portion, the second connecting portion of side plate is set in the invagination receiving portion of adjacent side plates, so that two adjacent side plates
Surface maintain an equal level.
Implement the embodiments of the present invention, has the following beneficial effects:
The end of the side plate of adjacent link is carried out inside and outside fitting setting by the drag chain of the utility model, and by fixed accordingly
Position through-hole and fixing axle are positioned, and the fixing axle of adjacent side plates and positioning through hole are locked by fastener.Wherein, fastener
It is to be embedded in annular groove to realize positioning by annular protrusion, and the outer end of fastener is equipped with and is stuck in second connecting portion with fixing axle
Outer detent chimb, to realize the positioning between adjacent side plates.
Further, since annular protrusion and annular groove are axial limit, so will not influence the phase between adjacent link
Mutually rotation, i.e., adjacent link is not easy the phenomenon for occurring stuck.As it can be seen that using the utility model heavier-duty drag chain when, not only
The fastness of adjacent link connection, the rotation displacement being also convenient between chain link can be improved.
When the drag chain of the utility model is installed, fastener is inserted into mounting hole by positioning through hole, until the ring in mounting hole
Shape protrusion is caught in the annular groove of fastener, easy for installation.
Detailed description of the invention
Fig. 1 is the partial structure diagram of the utility model drag chain；
Fig. 2 is the exploded view of two links of the utility model drag chain；
Fig. 3 is the exploded view that the utility model individually links；
Fig. 4 is the cross-sectional view after the connecting portion of adjacent link decomposes.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.Only this state, the utility model occur in the text or will occur upper and lower, left and right, it is preceding,
Afterwards, the orientation such as inside and outside word is not the specific restriction to the utility model only on the basis of the attached drawing of the utility model.
Referring to attached drawing 1 to attached drawing 4, the utility model discloses a kind of heavier-duty drag chain, the chain including the connection of multiple head and the tail
Section 100, the chain link 100 is including 2, two spaced side plates 3 of fastener and for connecting two 3 upper and lower sides of side plate
Upper junction plate 4a and lower connecting plate 4b, adjacent link 100 are connected by side plate 3.
Specifically, the both ends of the side plate 3 are respectively first connecting portion 31 and second connecting portion 32, the second of side plate 3 connects
Socket part 32 is attached at the outside of the first connecting portion 31 of adjacent link 100, and the second connecting portion 32 is equipped with positioning through hole
321, the lateral surface of the first connecting portion 31 is equipped with the fixing axle 311 in insertion positioning through hole 321, in the fixing axle 311
The inner wall of mounting hole 312 equipped with the coaxial heart, the mounting hole 312 is equipped with annular protrusion 313.
Wherein, the side wall of the fastener 2 is equipped with annular groove 21, and one end detent with outward extension of fastener 2
Chimb 22.When installation, the fastener 2 is inserted into mounting hole 312 by positioning through hole 321, so that annular protrusion 313 is embedded in annular
In slot 21, the detent chimb 22 is positioned in outside second connecting portion 32.
The end of the side plate 3 of adjacent link 100 is carried out inside and outside fitting setting by the drag chain of the utility model, and by corresponding
Positioning through hole 321 and fixing axle 311 positioned, and the fixing axle 311 of adjacent side plates 3 and positioning through hole 321 pass through fastening
Part 2 is locked.Wherein, fastener 2 and fixing axle 311 are to be embedded in annular groove 21 to realize positioning by annular protrusion 313, and tight
The outer end of firmware 2 is equipped with the detent chimb 22 being stuck in outside second connecting portion 32, to realize the positioning between adjacent side plates 3.This
Outside, since annular protrusion 313 and annular groove 21 are axial limit, so will not influence mutual between adjacent link 100
Rotation, i.e., adjacent link 100 is not easy the phenomenon for occurring stuck.As it can be seen that using the utility model heavier-duty drag chain when, not only
The fastness of the connection of adjacent link 100, the rotation displacement being also convenient between chain link 100 can be improved.
As the preferred embodiment that fixing axle 311 and positioning through hole 321 position, the fixing axle 311 is equipped with annular mounting groove
314, the second connecting portion 32 of side plate 3 is equipped with annular detent wall 322, and it is logical that the inner wall of the annular detent wall 322 forms positioning
Hole 321, the annular detent wall 322 are embedded in the annular mounting groove 314.The drag chain of the utility model passes through annular mounting groove
314 pairs of annular detent walls 322 limit, and further increase the fastness of the installation of side plate 3.
As the preferred embodiment that upper junction plate 4a and lower connecting plate 4b is installed, the inner sidewall of the side plate 3 is equipped with upper button bit
Block 33 and lower button bit block 34, the upper button bit block 33 of the upper junction plate 4a and two side plates 3 are interlockingly connected, the lower connecting plate 4b with
The lower button bit block 34 of two side plates 3 is interlockingly connected.The drag chain of the utility model is detained by upper and lower button bit block with plate is vertically connected with
It connects, it is convenient to dismount, convenient for repairing to the spool etc. in drag chain.
Specifically, the side of the upper button bit block 33 and lower button bit block 34 is equipped with detent raised line 35, the upper junction plate
4a and lower connecting plate 4b is equipped with card slot compatible with detent raised line 35 (attached drawing is not shown).
Further, in order to improve the fastness for being vertically connected with plate Yu 3 snapping of side plate, the utility model is in the upper connection
Plate 4a and lower connecting plate 4b is equipped with detent mouth 43, the upper button bit block 33 and lower button bit block 34 and sets in one end far from side plate 3
There is the detent protrusion 36 protruded into detent mouth 43.The plate that is vertically connected with of the utility model passes through detent protrusion 36 and 43 pairs of detent mouth
It is vertically connected with that plate is further to be positioned, the fastness of drag chain structure can be improved.
It should be noted that drag chain needs a degree of bending in the process of running, in order to improve drag chain bending fortune
Stability when dynamic, the drag chain of the utility model are equipped with limited block 323, the first connecting portion in the second connecting portion 32
31 are equipped with limiting slot 315, and limited block 323 is set in the limiting slot 315 of adjacent side plates 3.When relative rotation between adjacent link 100
When, the limitation of relative motion can be carried out by limited block 323 and limiting slot 315, prevent overexercise between chain link 100, from
And improve the stationarity of drag chain movement.
In addition, the lateral surface of the first connecting portion 31 is equipped with invagination receiving portion 316, the fixing axle 311 is set to invagination
In receiving portion 316, the second connecting portion 32 of side plate 3 is set in the invagination receiving portion 316 of adjacent side plates 3, so that adjacent two
The surface of side plate 3 maintains an equal level, i.e., the side of entire drag chain is a more smooth face.By invaginating, receiving portion 316 be can be improved
The stability of structure, in addition, the overall aesthetics of drag chain can also be improved by receiving portion 316 of invaginating.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (7)
1. a kind of heavier-duty drag chain, the chain link including the connection of multiple head and the tail, the chain link include two spaced side plates with
And upper junction plate and lower connecting plate for connecting two side plate upper and lower sides, adjacent link are connected by side plate, which is characterized in that
It further include fastener, the side wall of the fastener is equipped with annular groove, and one end detent chimb with outward extension of fastener；
The both ends of the side plate are respectively first connecting portion and second connecting portion, and the second connecting portion of side plate is attached at adjacent link
First connecting portion outside, the second connecting portion is equipped with positioning through hole, and the lateral surface of the first connecting portion, which is equipped with, to be inserted
Enter the fixing axle in positioning through hole, the fixing axle is equipped with the mounting hole of the coaxial heart, and the inner wall of the mounting hole is equipped with
Annular protrusion；
The fastener is inserted into mounting hole by positioning through hole, so that in annular protrusion insertion annular groove, the detent chimb card
Outside second connecting portion.
2. heavier-duty drag chain according to claim 1, which is characterized in that the fixing axle is equipped with annular mounting groove, side plate
Second connecting portion be equipped with annular protrusion, the inner wall of the annular protrusion forms positioning through hole, and the annular protrusion is embedded in institute
It states in annular mounting groove.
3. heavier-duty drag chain according to claim 1, which is characterized in that the inner sidewall of the side plate be equipped with upper button bit block and
The upper button bit block of lower button bit block, the upper junction plate and two side plates is interlockingly connected, the lower button of the lower connecting plate and two side plates
Position block is interlockingly connected.
4. heavier-duty drag chain according to claim 3, which is characterized in that the side of the upper button bit block and lower button bit block is equal
Equipped with detent raised line, the upper junction plate and lower connecting plate are equipped with card slot compatible with detent raised line.
5. heavier-duty drag chain according to claim 3 or 4, which is characterized in that set on the upper junction plate and lower connecting plate
There are detent mouth, the upper button bit block and lower button bit block to be equipped with the detent protrusion protruded into detent mouth in one end far from side plate.
6. heavier-duty drag chain according to claim 1, which is characterized in that the second connecting portion is equipped with limited block, described
First connecting portion is equipped with limiting slot, and limited block is set in the limiting slot of adjacent side plates.
7. heavier-duty drag chain according to claim 1, which is characterized in that the lateral surface of the first connecting portion is equipped with invagination
Receiving portion, the fixing axle are set in invagination receiving portion, and the second connecting portion of side plate is set in the invagination receiving portion of adjacent side plates,
So that the surface of two adjacent side plates maintains an equal level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820539056.8U CN208348398U (en) | 2018-04-12 | 2018-04-12 | Heavier-duty drag chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820539056.8U CN208348398U (en) | 2018-04-12 | 2018-04-12 | Heavier-duty drag chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208348398U true CN208348398U (en) | 2019-01-08 |
Family
ID=64884703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820539056.8U Active CN208348398U (en) | 2018-04-12 | 2018-04-12 | Heavier-duty drag chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208348398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962551A (en) * | 2022-05-30 | 2022-08-30 | 浙江永驰科技有限公司 | Anti-disengagement drag chain link group with long service life |
-
2018
- 2018-04-12 CN CN201820539056.8U patent/CN208348398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962551A (en) * | 2022-05-30 | 2022-08-30 | 浙江永驰科技有限公司 | Anti-disengagement drag chain link group with long service life |
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