CN207814341U - A kind of chain hinge pin - Google Patents

Abstract

The utility model discloses a kind of chain hinge pins, including sleeve, left connection carrier bar, fixing sleeve, the first spliced eye, center connection carrier bar, plug-in unit, steel ball, shrapnel, right connection carrier bar, limit hole, shaft, the second spliced eye, fuel-displaced slot, graphene ball, shoe cream room and cotton thread.The shaft both sides of the chain hinge pin of the utility model are attached by multiple connection carrier bars, are increased the fastness and toughness of chain, are avoided chain breakage, extend the service life of chain；Simultaneously limit hole is opened up in one end of fixing sleeve and shaft, simultaneously falling off for fixing sleeve is avoided using the insertion of plug-in unit, chain is avoided to disconnect, it connects between carrier bar and is lubricated using graphene ball simultaneously, shoe cream room and fuel-displaced slot are added on the inside of connection carrier bar can be such that lubricating oil is constantly lubricated along cotton thread countershaft and connection carrier bar, ensure to connect between carrier bar and shaft and rotate flexibly, extends the service life of chain.

Description

A kind of chain hinge pin

Technical field

The utility model is related to a kind of pin shaft device, specially a kind of chain hinge pin belongs to chain applied technical field.

Background technology

Chain is generally the chain link or annulation of metal, multi-purpose to make machine driving, traction, is used for the chain of obstacle traffic aisle In the streets Xing Wuru, at river or harbor entrance, the mechanically chain of transmission, most of chain be all by carrier bar, chain pin, The components such as axle sleeve form, and chain is widely used in each machinery.

Current chain is big due to running intensity when in use, and easy-to-rust between chain and axis pin causes pulling force big, then chain Easy fracture, service life is short, while axis pin needs to carry out frequently to replace or add lubricating oil, of high cost；In addition chain pin The both sides of axis are threadedly coupled fixing sleeve, and easy to fall off in larger vibration, there are some potential safety problemss.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of chain hinge pin, flexibly and easily, makes Use long lifespan.

The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of chain hinge pin, including shaft, described turn The outer sheath female connector cylinder of axis, and the both ends of the shaft are threadedly coupled fixing sleeve；The inside of the fixing sleeve opens up the first grafting The inside in hole, the shaft opens up the second spliced eye, and the inside of first spliced eye and second spliced eye is inserted into and is inserted Part；The plug-in unit includes steel ball and shrapnel, and the shrapnel, which is inserted into, connects first spliced eye and second spliced eye, and institute The steel ball is fixed in the one end for stating shrapnel；The shaft, which is inserted into, connects left connection carrier bar, and the side of the left connection carrier bar is set There is center to connect carrier bar；The side of the center connection carrier bar is equipped with right connection carrier bar, and the left connection carrier bar, the center Connect carrier bar, the surface of the right connection carrier bar is equipped with limit hole；The shaft, the center are inserted into the inside of the limit hole The side for connecting carrier bar is embedded in graphene ball；The limit hole of the center connection carrier bar is internally provided with fuel-displaced slot, And the fuel-displaced slot is connected to shoe cream room；The shoe cream room is internally provided with cotton thread, and the cotton thread be inserted into it is described go out oil groove The inside in hole.

Preferably, in order to increase the intensity of chain, enhance its rigidity, the left connection carrier bar, center connection carrier bar, The right connection carrier bar is equipped with several, and the left connection carrier bar and the right side are close in the both sides of center connection carrier bar Connect carrier bar.

Preferably, in order to improve greasy property, whole flexible performance, the graphene ball circular array etc. are improved Away from the surface for being embedded into the center connection carrier bar, and the graphene ball connect carrier bar with the center in a horizontal plane On.

Preferably, in order to avoid shaft is broken, the length of the shaft is more than the length of the sleeve, and described turn The diameter of axis is identical as the diameter of the limit hole.

Preferably, in order to avoid fixing sleeve falls off, two shrapnels are welded in the side of the steel ball, and the shrapnel is adopted Use arcuate structure；The length of the shrapnel is more than the diameter of the fixing sleeve.

Preferably, in order to realize lubrication, extend whole service life, the interior of the shoe cream room is fixed in described cotton thread one end Portion, and the other end of the cotton thread is placed in the inside of the fuel-displaced slot；The shoe cream room is set to center connection carrier bar It is internal.

Preferably, in order to improve whole stability, the left connection carrier bar, the center connect carrier bar, the right company The surface of chain link plate opens up two limit holes, and the diameter of the limit hole is identical as the diameter of the shaft.

The utility model has the beneficial effects that：The shaft both sides of the chain hinge pin of the utility model pass through multiple connection carrier bars It is attached, increases the fastness and toughness of chain, avoid chain breakage, extend the service life of chain；Simultaneously in fixing sleeve Limit hole is opened up with one end of shaft, falling off for fixing sleeve is avoided using the insertion of plug-in unit, prevents the appearance of chain discrepancy, It connects between carrier bar and is lubricated using graphene ball simultaneously, shoe cream room is added on the inside of carrier bar and fuel-displaced slot can connecting Lubricating oil is set constantly to be lubricated along cotton thread countershaft and connection carrier bar, it is ensured that rotate spirit between connection carrier bar and shaft It is living, extend the service life of chain.

Description of the drawings

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the sleeve and fixing sleeve attachment structure schematic diagram of the utility model；

Fig. 3 is that the center of the utility model connects carrier bar side portion structure schematic diagram；

Fig. 4 is the center connection chain intralamellar part structural schematic diagram of the utility model.

In figure：1, sleeve, 2, left connection carrier bar, 3, fixing sleeve, the 301, first spliced eye, 4, center connect carrier bar, 5, insert Part, 501, steel ball, 502, shrapnel, 6, right connection carrier bar, 7, limit hole, 8, shaft, the 801, second spliced eye, 9, fuel-displaced slot, 10, graphene ball, 11, shoe cream room, 12, cotton thread.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

It please refers to Fig.1 shown in -4, a kind of chain hinge pin, including shaft 8, the outer sheath female connector cylinder 1 of the shaft 8, and institute The both ends for stating shaft 8 are threadedly coupled fixing sleeve 3；The inside of the fixing sleeve 3 opens up the first spliced eye 301, the shaft 8 it is interior Portion opens up the second spliced eye 801, and plug-in unit 5 is inserted into first spliced eye 301 and the inside of second spliced eye 801；Institute It includes steel ball 501 and shrapnel 502 to state plug-in unit 5, and the shrapnel 502 is inserted into connection first spliced eye 301 and described second and inserts Hole 801 is connect, and the steel ball 501 is fixed in one end of the shrapnel 502；The shaft 8, which is inserted into, connects left connection carrier bar 2, and institute The side for stating left connection carrier bar 2 is equipped with center connection carrier bar 4；The side of the center connection carrier bar 4 is equipped with right connection carrier bar 6, And the surface of the left connection carrier bar 2, center connection carrier bar 4, the right connection carrier bar 6 is equipped with limit hole 7；The limit The shaft 8, the side insertion graphene ball 10 of the center connection carrier bar 4 are inserted into the inside in hole 7；The center connection chain The limit hole 7 of plate 4 is internally provided with fuel-displaced slot 9, and the fuel-displaced slot 9 is connected to shoe cream room 11；The shoe cream room 11 Be internally provided with cotton thread 12, and the cotton thread 12 is inserted into the inside of the fuel-displaced slot 9.

As a kind of technical optimization scheme of the utility model, the left connection carrier bar 2, center connection carrier bar 4, institute It states right connection carrier bar 6 and is equipped with several, and the left connection carrier bar 2 and described is close in the both sides of center connection carrier bar 4 Right connection carrier bar 6.

As a kind of technical optimization scheme of the utility model, 10 circular array of graphene ball is equidistantly embedded into The surface of the center connection carrier bar 4, and the graphene ball 10 connect carrier bar 4 with the center on a horizontal plane.

As a kind of technical optimization scheme of the utility model, the length of the shaft 8 is more than the length of the sleeve 1, And the diameter of the shaft 8 is identical as the diameter of the limit hole 7.

As a kind of technical optimization scheme of the utility model, two shrapnels are welded in the side of the steel ball 501 502, and the shrapnel 502 uses arcuate structure；The length of the shrapnel 502 is more than the diameter of the fixing sleeve 3.

As a kind of technical optimization scheme of the utility model, the interior of the shoe cream room 11 is fixed in 12 one end of the cotton thread Portion, and the other end of the cotton thread 12 is placed in the inside of the fuel-displaced slot 9；The shoe cream room 11 is set to the center connection chain The inside of plate 4.

As a kind of technical optimization scheme of the utility model, the left connection carrier bar 2, center connection carrier bar 4, institute The surface for stating right connection carrier bar 6 opens up two limit holes 7, and the diameter of the diameter of the limit hole 7 and the shaft 8 Size is identical.

The use principle for the chain hinge pin that this practicality newly provides be the outside of shaft 8 is socketed in first with sleeve 1, and It is socketed left connection carrier bar 2 and right connection carrier bar 6 respectively in the both sides of shaft 8 afterwards, and in left connection carrier bar 2 and right connection carrier bar 6 Side connection center connect carrier bar 4, be arranged in order to be formed and be stably connected with mechanism, and in left connection carrier bar 2 and right connection carrier bar 6 Side be again coupled to center connection carrier bar 4, formed chain, and the both ends of the perforative shaft 8 be threadedly coupled fixing sleeve 3, two shrapnels 502 are then pressed, so that two shrapnels 502 is closed up, is then inserted into the first spliced eye 301 and the second spliced eye 801 inside carries out reinforcement fixation, each center connection carrier bar 4 and left connection carrier bar 2, right connection carrier bar 6 when being used Between rotated under lubrication by graphene ball 10, it is more flexible to be allowed to activity, while when rotated in shoe cream room 11 The lubricating oil in portion is flowed out along cotton thread 12 is lubricated connection carrier bar and shaft 8.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (7)

1. a kind of chain hinge pin, including shaft (8), it is characterised in that：The outer sheath female connector cylinder (1) of the shaft (8), and it is described The both ends of shaft (8) are threadedly coupled fixing sleeve (3)；The inside of the fixing sleeve (3) opens up the first spliced eye (301), described turn The inside of axis (8) opens up the second spliced eye (801), and first spliced eye (301) and second spliced eye (801) is interior Portion is inserted into plug-in unit (5)；The plug-in unit (5) includes steel ball (501) and shrapnel (502), and the shrapnel (502) is inserted into connection described the One spliced eye (301) and second spliced eye (801), and the steel ball (501) is fixed in one end of the shrapnel (502)；Institute It states shaft (8) and is inserted into the left connection carrier bar (2) of connection, and the side of the left connection carrier bar (2) is equipped with center connection carrier bar (4)； The side of the center connection carrier bar (4) is equipped with right connection carrier bar (6), and the left connection carrier bar (2), the center connection chain Plate (4), the right surface for connecting carrier bar (6) are equipped with limit hole (7)；The shaft is inserted into the inside of the limit hole (7) (8), the side insertion graphene ball (10) of the center connection carrier bar (4)；The limit of the center connection carrier bar (4) Hole (7) is internally provided with fuel-displaced slot (9), and the fuel-displaced slot (9) connection shoe cream room (11)；The shoe cream room (11) it is interior Portion is equipped with cotton thread (12), and the cotton thread (12) is inserted into the inside of the fuel-displaced slot (9).

2. a kind of chain hinge pin according to claim 1, it is characterised in that：The left connection carrier bar (2), the center connect Chain link plate (4), the right connection carrier bar (6) are equipped with several, and the left side is close in the both sides of center connection carrier bar (4) Connect carrier bar (2) and the right connection carrier bar (6).

3. a kind of chain hinge pin according to claim 1, it is characterised in that：Graphene ball (10) circular array Equidistantly it is embedded into the surface of the center connection carrier bar (4), and the graphene ball (10) connect carrier bar (4) with the center On a horizontal plane.

4. a kind of chain hinge pin according to claim 1, it is characterised in that：The length of the shaft (8) is more than the set The length of cylinder (1), and the diameter of the shaft (8) is identical as the diameter of the limit hole (7).

5. a kind of chain hinge pin according to claim 1, it is characterised in that：Weld two in the side of the steel ball (501) The shrapnel (502), and the shrapnel (502) uses arcuate structure；The length of the shrapnel (502) is more than the fixing sleeve (3) diameter.

6. a kind of chain hinge pin according to claim 1, it is characterised in that：The storage is fixed in described cotton thread (12) one end The inside of oil pocket (11), and the other end of the cotton thread (12) is placed in the inside of the fuel-displaced slot (9)；The shoe cream room (11) Set on the inside of center connection carrier bar (4).

7. a kind of chain hinge pin according to claim 1, it is characterised in that：The left connection carrier bar (2), the center connect Chain link plate (4), the right surface for connecting carrier bar (6) open up two limit holes (7), and the limit hole (7) is straight Diameter is identical as the diameter of the shaft (8).