CN213017506U - Elastic retainer ring type chain plate - Google Patents

Abstract

The utility model discloses an elasticity rand formula link joint, elasticity rand one is established to the middle main part one end of the link joint body of integral type, elasticity rand two is established to the other end, establish elastic connection hole one in the elasticity rand one, draw-in groove one is established to elastic connection hole one's one end, elastic connection hole two is established to elastic connection hole two in the elasticity rand two, draw-in groove one and draw-in groove two open end opposite direction and all perpendicular with being connected stress line A, stress buffering groove is all established with two inner wall inboards of elastic connection hole to elastic connection hole one, the relative and stress buffering groove's of the position of two stress buffering grooves central line with be connected stress line A coincidence, the utility model discloses the installation is convenient with the dismantlement, is applicable to light-duty and small-size chain festival.

Description

Elastic retainer ring type chain plate

Technical Field

The utility model relates to an elasticity rand formula link joint.

Background

A chain transmission is one of the common transmission mechanisms, the main components are a chain, a driving chain wheel and a driven chain wheel, the driving chain wheel outputs the rotating driving torque to drive the chain to linearly displace, the linearly displaced chain synchronously drives the driven wheel to rotate, the driven wheel synchronously drives the connected equipment to work, the chain used for transmission and conveying is composed of a plurality of chain links, the adjacent chain links are connected by chain plates, the conventional traditional mode is basically adopted from the small chain of the current bicycle to the large chain of the large engineering machinery, the connection mode is that a connecting pin with the length larger than that of the chain links is arranged in a through hole of the chain links, the connecting pin exposes two ends of the chain links, two holes of the chain plates are respectively connected with the hole sleeves of the exposed ends of the connecting pin arranged in the adjacent chain links in a shaft sleeve mode, after the connection, the connecting pin exposes the outer ends of the chain plates for a plurality of lengths, and then the, the chain plates are riveted, so that the chain plates cannot fall off, and a connecting and fixing mode of two adjacent chain links is formed; similar connection mode intensity is high, be fit for large-scale engineering machine tool etc. and be fit for, however, to the low-speed low accuracy chain drive of bicycle, small-size machinery, in the low-speed low accuracy chain drive of various small-size nonstandard equipment that family workshop is common, chain drive moment is also less, during operation, the chain maintenance when the damage appears, the scheduling problem is collided with, need to change single section or multisection chain link, or change the connecting pin, also can change the link joint, that is very inconvenient, often grind the place of connecting pin riveting with the angle grinder, the connecting pin is beaten out to the back and just can be taken apart, in the actual operation, often also damage the link joint simultaneously, maintenance duration is long, intensity of labour is high, and the operation degree of difficulty is high, also very easily takes place bodily injury.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide an elasticity rand formula link joint, elasticity rand one is established to the middle main part one end of the link joint body of integral type, elasticity rand two is established to the other end, establish elastic connection hole one in the elasticity rand one, draw-in groove one is established to the one end of elastic connection hole one, establish elastic connection hole two in the elastic connection rand two, draw-in groove two is established to elastic connection hole two's one end, draw-in groove one is opposite with draw-in groove two's open end direction and all perpendicular with being connected stress line A, stress buffering groove is all established with two inner wall inboards of elastic connection hole to elastic connection hole one, the relative and stress buffering groove's of position central line and connection stress line A coincidence are connected to two stress buffering grooves, the utility model discloses the.

In order to achieve the above purpose, the technical scheme of the utility model is that: an elastic collar type chain plate comprises an integrated chain plate body, wherein one end of a middle main body of the chain plate body is provided with an elastic collar I, and the other end of the middle main body is provided with an elastic collar II;

the elastic collar I is internally provided with an elastic connecting hole I, one end of the elastic connecting hole I is provided with a clamping groove I, and the opening end inlet openings of the clamping groove I are provided with a first guiding arc;

an elastic connecting hole II is formed in the elastic clamping ring II, a clamping groove II is formed in one end of the elastic connecting hole II, and guiding circular arcs II are arranged at inlet openings of the opening ends of the clamping groove II;

stress buffer grooves are formed in the inner sides of the inner walls of the first elastic connecting hole and the second elastic connecting hole, the two stress buffer grooves are opposite in position, and the center line of each stress buffer groove is overlapped with the connecting stress line A.

Further, an installation auxiliary hole is formed in the middle of the middle main body.

And further setting, the centers of the first elastic connecting hole and the second elastic connecting hole are overlapped with the connecting stress line A.

And the first clamping groove and the second clamping groove are perpendicular to the connecting stress line A.

And the opening ends of the first clamping groove and the second clamping groove are opposite.

And the widths of the first clamping groove and the second clamping groove are respectively smaller than the diameters of the first elastic connecting hole and the second elastic connecting hole.

The utility model has the advantages that: the utility model discloses the installation is convenient with the dismantlement, is applicable to light-duty and small-size chain festival and connects the application, the follow-up maintenance of being convenient for.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a bottom view of FIG. 1;

fig. 3 is a schematic connection diagram of the link plate body 1 and the first connecting pin 1001.

In the figure: the chain plate comprises a chain plate body 1, a middle main body 2, an elastic collar I3, an elastic connecting hole I31, a clamping groove I32, a guiding arc I33, an elastic collar II 4, an elastic connecting hole II 41, a clamping groove II 42, a guiding arc II 43, an installation auxiliary hole 5, a stress buffer groove 6, a connecting pin I1001 and an open groove bottom circumference 1002.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

As shown in fig. 1-2, an elastic snap ring type link plate, a link plate body 1 is of an integral structure, is made of spring steel material, has heat treatment hardness of HRC42 degrees, has good elasticity and automatic reset, and maintains sufficient hardness, one end of an intermediate main body 2 of the link plate body 1 is provided with an elastic snap ring one 3, the elastic snap ring one 3 is internally provided with an elastic connecting hole one 31, one end of the elastic connecting hole one 31 is provided with a snap groove one 32, and the other end of the intermediate main body 2 is provided with an elastic snap ring two 4; an elastic connecting hole II 41 is formed in the elastic clamping ring II 4, a clamping groove II 42 is formed in one end of the elastic connecting hole II 41, the clamping groove I32 and the clamping groove II 42 can extend outwards for a certain distance under the action of external force, and the elastic clamping ring can automatically recover after the external force disappears.

Stress buffer grooves 6 are formed in the inner sides of the inner walls of the first elastic connecting hole 31 and the second elastic connecting hole 41, the two stress buffer grooves 6 are opposite in position, the central line of each stress buffer groove 6 is overlapped with the connecting stress line A, the stress generated by diameter deformation and amplification of the first elastic connecting hole 31 and the second elastic connecting hole 41 under the action of external force is buffered and absorbed, and the elastic connection structure is favorable for resetting by taking the stress buffer grooves 6 as base points during elastic resetting.

The middle position of the middle main body 2 is provided with an installation auxiliary hole 5, so that auxiliary tools like sharp-nose pliers and the like can provide a receiving point during installation.

The first clamping groove 32 and the second clamping groove 42 are perpendicular to the connecting stress line A, the opening ends of the first clamping groove 32 and the second clamping groove 42 are opposite, and when installation is facilitated, installation is conducted from the connecting side in a cut-in mode, one end is installed firstly, and the other end is installed later.

In practical application, as shown in fig. 3, the diameters of the first elastic connecting hole 31 and the second elastic connecting hole 41 are consistent with the diameter of the bottom circumference 1002 of the open slot of the first connecting pin 1001, when the first clamping hole 32 and the second clamping hole 42 are connected and installed, an external force is applied to the first clamping hole 31 and the second clamping hole 41 step by step and the first clamping hole is clamped into the open slot of the first connecting pin 1001, the first clamping hole 32 and the second clamping hole 42 can be opened and continue to be clamped downwards until the first elastic connecting hole 31 and the second elastic connecting hole 41 are connected with the bottom circumference 1002 of the open slot of the first connecting pin 1001 in an encircling manner, the first clamping hole 32 and the second clamping hole 42 are exposed at the other end of the first connecting pin 1001 of the connecting pin and are elastically closed, and the hidden danger of the first elastic connecting hole 31, the second elastic connecting hole 41 and the. When the link joint dismouting, the direction operation can, the utility model discloses the installation is convenient with the dismantlement, is applicable to light-duty and small-size chain festival and connects the application, the follow-up maintenance of being convenient for.

The skilled person in this trade also understands, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, do not keeping away from the utility model discloses under the connection meter category prerequisite, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of the utility model discloses the within range. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. An elastic collar formula link joint which characterized in that: the chain plate comprises an integrated chain plate body (1), wherein one end of a middle main body (2) of the chain plate body (1) is provided with a first elastic clamping ring (3), and the other end of the middle main body (2) is provided with a second elastic clamping ring (4);

an elastic connecting hole I (31) is arranged in the elastic clamping ring I (3), a clamping groove I (32) is arranged at one end of the elastic connecting hole I (31), and guiding circular arcs I (33) are arranged at inlet openings of opening ends of the clamping groove I (32);

an elastic connecting hole II (41) is formed in the elastic clamping ring II (4), a clamping groove II (42) is formed in one end of the elastic connecting hole II (41), and guiding circular arcs II (43) are arranged at inlet openings of opening ends of the clamping groove II (42);

stress buffer grooves (6) are formed in the inner sides of the inner walls of the first elastic connecting hole (31) and the second elastic connecting hole (41), the positions of the two stress buffer grooves (6) are opposite, and the center line of each stress buffer groove (6) coincides with the connecting stress line A.

2. An elastic collar link plate as claimed in claim 1 wherein: and an installation auxiliary hole (5) is formed in the middle of the middle main body (2).

3. An elastic collar link plate as claimed in claim 1 wherein: the centers of the first elastic connecting hole (31) and the second elastic connecting hole (41) are superposed with the connecting stress line A.

4. An elastic collar link plate as claimed in claim 1 wherein: the first clamping groove (32) and the second clamping groove (42) are perpendicular to the connecting stress line A.

5. An elastic collar link plate as claimed in claim 1 wherein: the open ends of the first clamping groove (32) and the second clamping groove (42) are opposite.

6. An elastic collar link plate as claimed in claim 1 wherein: the widths of the first clamping groove (32) and the second clamping groove (42) are respectively smaller than the diameters of the first elastic connecting hole (31) and the second elastic connecting hole (41).

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