CN213655601U - Link joint connection structure and tow chain - Google Patents
Link joint connection structure and tow chain Download PDFInfo
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- CN213655601U CN213655601U CN202022085118.2U CN202022085118U CN213655601U CN 213655601 U CN213655601 U CN 213655601U CN 202022085118 U CN202022085118 U CN 202022085118U CN 213655601 U CN213655601 U CN 213655601U
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- link joint
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Abstract
The utility model discloses a link joint connection structure and tow chain, this link joint connection structure include first link joint, second link joint and be used for connecting the intermediate junction plate of two link joints, and first link joint and second link joint structure are the same, all include the link joint body, and the both ends of link joint body are provided with connecting portion, and connecting portion can set up in the tip outside of intermediate junction plate with rotating, the intermediate junction plate with be provided with between the connecting portion and be used for carrying out spacing subassembly to the turned angle of link joint, the one end of first link joint and second link joint can imbed with rotating carry out the side on the lateral surface of intermediate junction plate to spacingly. The chain plate connecting structure adopts the middle connecting plate for transitional connection, and the chain plates at two ends and the middle connecting plate adopt an embedded structure, so that the structure is simple and the design is ingenious; and the stability and the reliability of the connection of the drag chain link are improved, and the service life of the drag chain is prolonged.
Description
Technical Field
The utility model belongs to the technical field of mechanical equipment annex, especially, relate to a link joint connection structure and tow chain.
Background
The drag chain is suitable for being used in reciprocating occasions, and can play a role in traction and protection of built-in cables, oil pipes, air pipes, water pipes and the like. Generally, the chain is flat and comprises a plurality of unit chain links, the chain links can freely rotate, and the unit chain links comprise two chain plates, an upper cover plate and a lower cover plate. At present, the drag chain is widely applied to the fields of numerical control machines, electronic equipment, stone machinery, glass machinery, door and window machinery, injection molding machines, mechanical arms, hoisting and transporting equipment, automatic warehouses and the like.
Two adjacent tow chain links among the prior art all directly connect through respective link joint, and the connected mode between them also mostly is the lock structure as leading, and this kind of connected mode ubiquitous structural reliability is poor, and the tow chain is out of shape easily, short service life's shortcoming.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to above-mentioned problem, provide a link joint connection structure to solve the problem that the reliability is poor and warp easily of drag chain section connection among the prior art.
Another object of the present invention is to solve the above problems, and to provide a drag chain, which is easy to deform and has a short service life.
The utility model aims at realizing through the following technical scheme:
the utility model provides a link joint connection structure, its includes first link joint, second link joint and is used for connecting the intermediate junction board of two link joints, wherein, first link joint and second link joint structure are the same, all include the link joint body, the both ends of link joint body are provided with connecting portion, connecting portion can set up in the tip outside of intermediate junction board with rotating, the intermediate junction board with be provided with between the connecting portion and be used for carrying out spacing subassembly to the turned angle of link joint, the one end of first link joint and second link joint can imbed with rotating carry out the side on the lateral surface of intermediate junction board spacing.
As a preferred scheme of the utility model, the whole oval structure that is of link joint body, the circular arc part at its both ends is as connecting portion, connecting portion extend to the inboard has the articulated shaft, corresponding to the hinge hole has been seted up on the intermediate junction board.
As a preferred scheme of the utility model, spacing subassembly includes stopper and spacing annular, the stopper set up in on the connecting portion medial surface, spacing annular set up in on the corresponding position of intermediate junction plate.
As a preferred scheme of the utility model, the both ends of first link joint and second link joint all are provided with convex spacing step face, outside extension has a spacing boss on the middle part lateral surface of intermediate junction plate, the bilateral symmetry of spacing boss is provided with convex spacing groove, spacing step face inserts it is spacing to carry out the side direction to the link joint body in the spacing groove.
As an optimized scheme of the utility model, all be provided with at least a set of buckle platform that is used for assembling upper and lower apron on the medial surface of first link joint, second link joint and intermediate junction board, every group buckle platform includes two buckle platforms that the interval corresponds the arrangement from top to bottom.
As a preferred scheme of the utility model, be provided with a plurality of beads along its direction of height on the lateral surface at link joint body both ends, the bead plays antiskid and additional strengthening.
A drag chain comprises a plurality of drag chain links, and two adjacent drag chain links are connected by adopting the chain plate connecting structure.
The utility model has the advantages that the chain plate connecting structure adopts the middle connecting plate for transitional connection, and the chain plates at the two ends and the middle connecting plate adopt the embedded structure, thereby not only having simple structure, but also having ingenious design; and the stability and the reliability of the connection of the drag chain link are improved, and the service life of the drag chain is prolonged.
Drawings
Fig. 1 is an exploded view of a link plate connection structure according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a link plate connection structure according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of an inner side surface of a link plate connection structure according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a first link plate or a second link plate of a link plate connection structure according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of an intermediate connecting plate of a link joint connection structure according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. 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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, in the present embodiment, a drag chain includes a plurality of drag chain links, two adjacent drag chain links are connected by a chain link connection structure, the chain link connection structure includes a first chain link 1, a second chain link 2 and an intermediate connecting plate 3 for connecting the two chain links, the first chain link 1 and the second chain link 2 have the same structure and each include an overall elliptical chain link body 4, arc portions at two ends of the chain link body 4 are used as connecting portions 5, a connecting portion of the connecting portion 5 extends inward to form a hinge shaft 6, a hinge hole 7 is formed in the intermediate connecting plate 3 in cooperation with the hinge shaft 6, and the connecting portion 5 is inserted into the hinge hole 7 through the hinge shaft 6 to hinge the connecting portion 5 and the intermediate connecting plate 3.
Connecting portion 5 and intermediate junction plate 3's tip is provided with and is used for carrying out spacing subassembly to the turned angle of link joint, and spacing subassembly includes and sets up in two stoppers 8 of connecting portion 5 medial surface as central symmetry with articulated shaft 6, and two convex spacing annular 9 have been seted up to cooperation stopper 8 on intermediate junction plate 3.
Adopt embedded side direction location between the both ends of intermediate junction plate 3 and first link joint and the second link joint, the concrete scheme is: the two end parts of the first chain plate 1 and the second chain plate 2 are respectively provided with a circular arc-shaped limiting step surface 10, the outer side surface of the middle part of the middle connecting plate 3 extends outwards to form a limiting boss 11, circular arc-shaped limiting grooves 12 are symmetrically arranged on two sides of the limiting boss 11, and the limiting step surfaces 10 are inserted into the limiting grooves 12 to limit the side direction of the chain plate body 4.
A group of buckling platforms 13 used for assembling an upper cover plate and a lower cover plate are arranged on the inner side surfaces of the first chain plate 1, the second chain plate 2 and the middle connecting plate 3, and each group of buckling platforms 13 comprises two buckling platforms which are arranged at intervals and correspondingly. The outer side surfaces of the two ends of the chain plate body 4 are provided with a plurality of convex edges 14 along the height direction, and the convex edges 14 can play a role in skid resistance and reinforcement.
In order to reduce the weight of the drag chain, lightening holes are formed in the connecting portion 5 of the first chain plate 1 and the second chain plate 2, the hinge shaft 6 and the limiting block 8 are both of a hollow structure, and the lightening holes are formed in the two ends of the middle connecting plate 3.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims.
Claims (7)
1. The utility model provides a link joint connection structure, its includes first link joint, second link joint and is used for connecting the intermediate junction board of two link joints, its characterized in that: first link joint and second link joint structure are the same, all include the link joint body, the both ends of link joint body are provided with connecting portion, connecting portion can set up in the tip outside of intermediate junction board with rotating, the intermediate junction board with be provided with between the connecting portion and be used for carrying out spacing subassembly to the turned angle of link joint, the one end of first link joint and second link joint can imbed with rotating carry out the side on the lateral surface of intermediate junction board spacing.
2. The link plate connecting structure according to claim 1, wherein: the whole chain plate body is of an oval structure, the arc parts at two ends of the chain plate body are used as connecting parts, the connecting parts extend inwards to form hinge shafts, and hinge holes are formed in the middle connecting plates correspondingly.
3. The link plate connecting structure according to claim 1, wherein: the limiting assembly comprises a limiting block and a limiting ring groove, the limiting block is arranged on the inner side surface of the connecting portion, and the limiting ring groove is formed in the corresponding position of the intermediate connecting plate.
4. The link plate connecting structure according to claim 1, wherein: the chain plate structure is characterized in that two end parts of the first chain plate and the second chain plate are respectively provided with a circular arc-shaped limiting step surface, a limiting boss extends outwards from the outer side surface of the middle part of the middle connecting plate, circular arc-shaped limiting grooves are symmetrically formed in two sides of the limiting boss, and the limiting step surfaces are inserted into the limiting grooves to limit the chain plate body in the lateral direction.
5. The link plate connecting structure according to claim 1, wherein: at least one group of buckle platforms used for assembling the upper cover plate and the lower cover plate are arranged on the inner side surfaces of the first chain plate, the second chain plate and the middle connecting plate, and each group of buckle platforms comprises two buckle platforms which are correspondingly arranged at an upper interval and a lower interval.
6. The link plate connecting structure according to claim 1, wherein: and a plurality of convex edges are arranged on the outer side surfaces of the two ends of the chain plate body along the height direction of the chain plate body.
7. A drag chain, it includes a plurality of drag chain link, its characterized in that: the two adjacent drag chain links are connected by the chain plate connecting structure of any one of the claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022085118.2U CN213655601U (en) | 2020-09-21 | 2020-09-21 | Link joint connection structure and tow chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022085118.2U CN213655601U (en) | 2020-09-21 | 2020-09-21 | Link joint connection structure and tow chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213655601U true CN213655601U (en) | 2021-07-09 |
Family
ID=76697031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022085118.2U Active CN213655601U (en) | 2020-09-21 | 2020-09-21 | Link joint connection structure and tow chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213655601U (en) |
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2020
- 2020-09-21 CN CN202022085118.2U patent/CN213655601U/en active Active
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