Embedded drag chain connecting assembly

Abstract

The utility model discloses an embedded drag chain connecting assembly which comprises drag chain links, buckle shafts are fixedly installed on the outer walls of the two ends of one side of each drag chain link, an inner inserting hole is formed in the center of each buckle shaft, embedded clamping grooves which are circumferentially distributed at equal intervals are formed in the circle of the outer surface of each buckle shaft, and embedded clamping pieces are arranged outside the buckle shafts. The inner side of the buckling shaft is provided with a threaded column matched with the embedded clamping piece, the tail end of the threaded column is fixedly provided with an outer end head, and the two ends of the side, away from the buckling shaft, of the drag chain link are each provided with a shaft hole. Therefore, anti-falling embedded reinforcement can be effectively carried out on the rotary connecting position between two drag chain links, node loosening caused by torsion or external force at the connecting position of the drag chain links can be effectively avoided, the good limiting and anti-falling use effect is achieved, the buckling shaft is prevented from falling off from the shaft hole, and the anti-falling drag chain is convenient to use. Therefore, the structural stability between the drag chain links can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a drag chain technical field, concretely is a kind of embedded drag chain connecting assembly. BACKGROUND

[0002] Drag chain is suitable for use in reciprocating motion, can play traction and protection to built-in cable, oil pipe, air pipe, water pipe etc.Usually flat, by several unit chain links, chain link is freely rotatable, unit chain link is composed of two chain plates and upper and lower cover plates;

[0003] At present, drag chain has been widely used in numerical control machine tool, electronic equipment, stone machinery, glass machinery, door and window machinery, injection molding machine, manipulator, hoisting and transportation equipment, automated warehouse and other fields;

[0004] The shaft body between the two drag chain links and the shaft hole is not limitedly connected with structure when traditional drag chain is used, so when drag chain is deformed due to torsion, the shaft body of corresponding area drag chain link is easily out of the shaft hole, which will lead to the rupture and collapse of drag chain assembly, affect the overall service life and stability of drag chain, therefore, the utility model provides a kind of embedded drag chain connecting assembly. UTILITY MODEL CONTENT

[0005] The utility model is to provide a kind of embedded drag chain connecting assembly to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of embedded drag chain connecting assembly, including drag chain link, the outer wall of one side both ends of the drag chain link is fixedly installed with buckle shaft, the center inside of the buckle shaft is provided with inner plug hole, the outer surface of the buckle shaft is provided with the embedded clamping groove of the equal interval circumferential distribution, the outer portion of the buckle shaft is provided with embedded clamping piece, the inner side of the buckle shaft is provided with the threaded column matched with embedded clamping piece, the tail end of the threaded column is fixedly installed with outer end, the side both ends of the drag chain link away from the buckle shaft are provided with shaft hole.

[0007] Preferably, the embedded clamping piece includes the inner plug column matched with the inner plug hole, the tail end outer wall of the inner plug column is fixedly installed with anti-drop end.

[0008] Preferably, the inner side outer wall of the anti-drop end is fixedly installed with several embedded clamping claws.

[0009] Preferably, the number and position of the embedded clamping claw correspond to the embedded clamping groove.

[0010] Preferably, the inner plug column is provided with inner screw hole, and the inner screw hole and the threaded column are designed as adaptive threaded structure.

[0011] Compared with the prior art, the utility model has the advantages of

[0012] The utility model discloses through the structural cooperation between embedding card piece, threaded column and outer end, so this can effectively prevent the rotatory joint between two tow chain links from embedding and strengthening, can effectively avoid the node loosening caused by torsion or external force at tow chain link joint, has good spacing anti -drop use effect, avoids the bolt shaft from the shaft hole and comes out, so this can effectively improve the structural stability between tow chain links, avoids the phenomenon that the assembly breaks or collapses caused by tow chain link loosening, improves the overall structure use effect and service life of tow chain assembly;

[0013] The utility model discloses embedded tow chain connecting assembly has good node reinforcing type connection use effect, can effectively avoid the shaft body of connecting node and come out because of external force, improves the structural strength and spacing anti -drop performance of rotatory connecting piece, so this can effectively improve the operation stability and service life of tow chain assembly, has good actual use effect, and whole structure is simple, and manufacturing and maintenance cost are low, is suitable for actual implementation uses. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is right view solid structure schematic diagram of tow chain link of the utility model embodiment;

[0015] Figure 2 It is left view solid structure schematic diagram of tow chain link of the utility model embodiment;

[0016] Figure 3 It is the A area amplification schematic diagram of the utility model embodiment Figure 2 ;

[0017] Figure 4 It is embedded card piece structure schematic diagram of the utility model embodiment;

[0018] Figure 5 It is threaded column assembly structure schematic diagram of the utility model embodiment.

[0019] In the drawing: 1, tow chain link;2, bolt shaft;3, embedding card slot;4, inner insertion hole;5, embedding card piece;501, inner insertion column;502, anti -drop end;503, embedding card jaw;504, internal screw hole;6, threaded column;7, outer end;8, shaft hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present utility model.

[0021] In the description of the present utility model, it should be noted that the directions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, and therefore cannot be understood as limiting the devices or elements indicated or implied to have a specific direction, to be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present utility model can be understood according to the specific circumstances.

[0023] Please refer to Figures 1-5 The present utility model provides an embodiment: a kind of embedded drag chain connecting assembly, including drag chain link 1, the outer wall of one side both ends of drag chain link 1 is fixedly installed with buckle shaft 2, the center inside of buckle shaft 2 is provided with inner plug hole 4, the outer surface of buckle shaft 2 is provided with the embedded clamping groove 3 of equal interval circumferential distribution, the outside of buckle shaft 2 is provided with embedded clamping piece 5, embedded clamping piece 5 can be embeddedly clamped in the outside of buckle shaft 2 by being set;

[0024] The inside of buckle shaft 2 is provided with the threaded column 6 matched with embedded clamping piece 5, the tail end of threaded column 6 is fixedly installed with outer end 7, the side of drag chain link 1 away from buckle shaft 2 both ends is provided with shaft hole 8, and buckle shaft 2 can be inserted into shaft hole 8 and be connected by rotating.

[0025] In this embodiment, in order to explain the specific structure of the embedded clamping piece 5, the embedded clamping piece 5 comprises an inner insertion column 501 matched with the inner insertion hole 4, and a anti-loosing end head 502 is fixedly installed on the tail end outer wall of the inner insertion column 501, the diameter of the anti-loosing end head 502 is larger than the diameter of the shaft hole 8, and a plurality of embedded clamping claws 503 are fixedly installed on the inner side outer wall of the anti-loosing end head 502;

[0026] Among them, the number and position of the embedded clamping claws 503 correspond to the embedded clamping slot 3;

[0027] Further, the inner insertion column 501 is internally provided with an inner threaded hole 504, and the inner threaded hole 504 and the threaded column 6 are designed in a matched threaded structure, so that the threaded column 6 can be screwed into the inner threaded hole 504.

[0028] Working principle: when it is necessary to connect two drag chain links, the buckle shaft 2 of one of the drag chain links can be rotationally connected in the shaft hole 8 of the other drag chain link, so that the rotational connection between the two drag chain links can be completed;

[0029] When the two drag chain links are preliminarily connected, the embedded clamping piece 5 can be inserted into the inner insertion hole 4 of the buckle shaft 2 at this time, and the inner insertion column 501 of the embedded clamping piece 5 can be inserted into the inner insertion hole 4 of the buckle shaft 2 when inserted;

[0030] Before the inner insertion column 501 is inserted, the embedded clamping claws 503 provided on the inner wall of the anti-loosing end head 502 can be aligned with the embedded clamping slot 3, and during the insertion process of the inner insertion column 501, the embedded clamping column 503 can be embeddedly inserted and clamped in the embedded clamping slot 3, so that the embedded clamping work between the buckle shaft 2 and the embedded clamping piece 5 can be completed, and the outer side of the buckle shaft 2 can be effectively prevented from being loosened by the anti-loosing end head 502, so as to avoid the buckle shaft 2 from being loosened from the shaft hole 8, and has a certain anti-loosing limiting use effect, which can effectively enhance the anti-loosing use strength of the connection node;

[0031] After the embedded clamping piece 5 and the buckle shaft 2 are embeddedly clamped, the threaded column 6 can be screwed into the inner threaded hole 504 of the inner insertion column 501 at this time, so that the inner side of the buckle shaft 2 can be effectively prevented from being loosened by the structure design of the threaded column 6 and the outer end head 7, and the embedded clamping piece 5 can also be effectively prevented from falling off from the buckle shaft 2, which has the actual use effect of enhancing the connection;

[0032] And the above-mentioned installation method can complete the multi-section installation work of the drag chain assembly, which is convenient for assembling and building the drag chain assembly, and is convenient to use;

[0033] According to the above structure, the utility model discloses through the structure cooperation between embedding card piece 5, threaded column 6 and outer end 7 uses, by this can effectively to the rotary joint between two tow chain links 1 is prevented to the embedded reinforcing of formula, can effectively avoid tow chain link connection place and cause the node to loosen because of torsion or external force, has good spacing anti -drop use effect, by avoiding the buckle shaft 2 from the shaft hole 8 and drops, by this can effectively improve the structural stability between tow chain links, avoid the phenomenon that the assembly breaks down or collapses that tow chain link loosens leads, improve the overall structure use effect and service life of tow chain assembly,

[0034] The embedded tow chain connecting assembly has good node reinforcing type connecting use effect, can effectively avoid the shaft body of the connecting node from being separated due to external force, improves the structural strength and spacing anti-drop performance of the rotary connecting piece, can effectively improve the operation stability and service life of the tow chain assembly, has good actual use effect, and the overall structure is simple, the manufacturing and maintenance cost are low, and it is suitable for actual implementation and use.

[0035] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An embedded tow chain connection assembly comprising a tow chain link (1), characterized in that, One side of the drag chain link (1) both ends of the outer wall are fixedly installed with buckle shaft (2), the center of the buckle shaft (2) is internally provided with an inner hole (4), the outer surface of the buckle shaft (2) is provided with an embedded card slot (3) which is distributed in equal intervals, the outer surface of the buckle shaft (2) is provided with an embedded card piece (5), the inner side of the buckle shaft (2) is provided with a threaded column (6) which is matched with the embedded card piece (5), the tail end of the threaded column (6) is fixedly installed with an outer end head (7), the side of the drag chain link (1) away from the buckle shaft (2) is provided with an axle hole (8).

2. An in-line chain connection assembly according to claim 1, wherein: The embedded card piece (5) comprises an inner insertion column (501) which is matched with the inner hole (4), and the tail end of the inner insertion column (501) is fixedly installed with an anti-drop end head (502).

3. An in-line chain connection assembly according to claim 2, wherein: The inner side of the anti-drop end head (502) is fixedly installed with a plurality of embedded card claws (503).

4. An in-line chain connection assembly according to claim 3, wherein: The number and position of the embedded card claws (503) correspond to the embedded card slot (3).

5. An in-line chain connection assembly according to claim 2, wherein: The inner side of the inner insertion column (501) is provided with an inner screw hole (504), and the inner screw hole (504) and the threaded column (6) are designed in a matched threaded structure.

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