CN209053967U - A kind of double offset constant velocity joint - Google Patents

Abstract

The utility model relates to mechanical transmission technical fields, and disclose a kind of double offset constant velocity joint, including trident constant velocity cardan joint, the middle part of the trident constant velocity cardan joint is equipped with outer tube, and screw thread is socketed with inner tube on the inner wall of outer tube, connection through-hole is offered in the middle part of the outer tube, and the outside on outer tube top is fixedly installed with upper snap ring, and the outside of outer tube bottom end is fixedly installed with lower snap ring.The double offset constant velocity joint, by making closely to be threadedly coupled between outer tube and inner tube, to make outer tube and inner tube constitute gapless connection component, while improving bonding strength between outer tube and inner tube, further improve the stability of subsequent outer tube and the work of interior pipe composite structure, simultaneously by making have dismountable function between outer tube and inner tube, when unqualified in outer tube, interior pipe abrasion or processing work, instant outer tube, inner tube can be replaced, thus the problems such as further reducing the wasting of resources of processing work.

Description

A kind of double offset constant velocity joint

Technical field

The utility model relates to mechanical transmission technical field, specially a kind of double offset constant velocity joint.

Background technique

Constant velocity cardan joint is two axis connections for having between centers angle or mutual alignment to change, and makes two axis with identical Angular speed transmitting power device, it can overcome the problems, such as variable speed existing for common cardan (hookes)universal joint.It is wide at present The constant velocity cardan joint of general use mainly has weiss universal joint and rzeppa joint, mainly has three bolts in weiss universal joint Formula constant velocity cardan joint, also referred to as trigonometric expression universal joint, it is mainly made of trident pin assembly and outer ball seat.

In the manufacture craft of three constant-velocity universal joints, in order to which the work for enhancing three constant-velocity universal joints is strong It spends, what is used between each composed structure is an integral molding structure, but in processing work, is easy to because of three coupling pin type constant speed ten thousand The members of Xiang Jiezhong are unqualified and the entirety of three constant-velocity universal joints is made to become waste product, and then directly waste product gives up It abandons, to greatly waste component qualified in three constant-velocity universal joints, while three constant-velocity universal joint assemblies Junction is easy to generate putty, and putty is easy to generate the normal work of three constant-velocity universal joints in junction accumulation Adverse effect.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of double offset constant velocity joint, and having can make to process Qualified and underproof three constant-velocity universal joint component is accepted or rejected and utilized in work, prevents three coupling pin type constant speed Universal joint junction putty enters the advantage in trident pin assembly, solves the manufacture craft in three constant-velocity universal joints In, in order to enhance the working strength of three constant-velocity universal joints, what is used between each composed structure is an integral molding structure, but It is to be easy to make three coupling pin type constant speed ten thousand because the members in three constant-velocity universal joints are unqualified in processing work Become waste product to the entirety of section, then directly waste product is discarded, is closed in three constant-velocity universal joints to greatly waste The component of lattice, while three constant-velocity universal joint assembly junctions are easy to generate putty, putty actively holds in junction heap The problem of easily having an adverse effect to the normal work of three constant-velocity universal joints.

The utility model provides the following technical solutions: a kind of double offset constant velocity joint, including trident constant velocity cardan joint, institute The middle part for stating trident constant velocity cardan joint is equipped with outer tube, and screw thread is socketed with inner tube on the inner wall of outer tube.

Preferably, connection through-hole is offered in the middle part of the outer tube, and the outside on outer tube top is fixedly installed with upper snap ring, And the outside of outer tube bottom end is fixedly installed with lower snap ring, the upper snap ring, lower snap ring and outer tube phase back side be fixedly installed with Closed loop, outer tube are made into integration with outer ball seat, and the inner wall of outer tube is equipped with internal screw thread compatible with the screw thread outside inner tube, institute The external screw-thread of the inner wall and inner tube of stating outer tube connects, and the outer tube, connection through-hole, upper snap ring and lower snap ring, closed loop connect two-by-two It is integrated between fitting and structure is made.

Preferably, connection card hole is offered on the inner sidewall of said inner tube, the outside on said inner tube top is fixedly installed with Upper grooved ring, and the bottom end of inner tube is fixedly connected with spacing bar, the spacing bar is fixedly connected with lower grooved ring away from one end of inner tube.

Preferably, the outer diameter of the upper snap ring is greater than the outer diameter of lower snap ring, company's slot at the top of the upper snap ring and upper grooved ring Clamping, and company's slot at the top of lower snap ring and lower grooved ring is clamped, the inner sidewall of the side of the upper snap ring and upper grooved ring, lower snap ring Side and the inner sidewall of lower grooved ring are seamlessly connected respectively, and the lower snap ring is not contacted with upper grooved ring, said inner tube, connection card hole, Upper grooved ring, spacing bar and lower grooved ring are integrated between connector structure is made two-by-two.

Preferably, the size of the connection through-hole internal diameter is identical as the connection internal diameter of card hole, and connects through-hole and company The position for connecing card hole is corresponding, and the depth of the connection through-hole is identical as the thickness of side wall of the inner tube, and the depth for connecting card hole is The half of outer tube wall thickness.

Be compared with the prior art, the utility model have it is following the utility model has the advantages that

1, the double offset constant velocity joint is closely threadedly coupled between outer tube and inner tube by making, thus make outer tube and Inner tube constitutes gapless connection component, while improving bonding strength between outer tube and inner tube, further improves subsequent The stability of outer tube and the work of interior pipe composite structure, while by making have dismountable function between outer tube and inner tube, outside When unqualified in pipe, interior pipe abrasion or processing work, instant outer tube, inner tube can be replaced, to further reduce The problems such as wasting of resources of processing work.

2, double offset constant velocity joint, by the compound action of the connection component in outer tube and inner tube, to threaded connection It is in reinforcement connection between the top of outer tube and inner tube afterwards, bottom end and side, is connected between outer tube and inner tube improving respectively While intensity, the stability that outer tube connects composed structure work with inner tube is further improved, while by making closed loop by more The annular plate that a inclined plate surrounds, and the diameter of closed loop upper end makes two closed loops by the effect of closed loop less than the diameter of lower end Top side engages with the upper surface of connector and lower end surface respectively, to effectively prevent dust and miscellaneous bits rubbish from entering outer tube and interior In the composite structure of pipe, the stability of outer tube and the work of interior pipe composite structure is further improved.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the schematic side view of the utility model structure chart 1；

Fig. 3 is the partial schematic sectional view of assembly outer tube and assembly inner tube in the utility model structure.

In figure: 1, trident constant velocity cardan joint；2, outer tube；3, inner tube；4, through-hole is connected；5, upper snap ring；6, lower snap ring；7, it closes Ring；8, card hole is connected；9, upper grooved ring；10, spacing bar；11, lower grooved ring.

Specific embodiment

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 Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-3, a kind of double offset constant velocity joint, including trident constant velocity cardan joint 1, trident constant velocity cardan joint 1 Middle part be equipped with outer tube 2, the middle part of outer tube 2 offer connection through-hole 4, connect 4 internal diameter of through-hole size with connect the interior of card hole 8 Diameter size is identical, and connection through-hole 4 is corresponding with the connection position of card hole 8, connects the depth of through-hole 4 and the thickness of 3 side wall of inner tube Spend it is identical, and connect card hole 8 depth be 2 sidewall thickness of outer tube half, make confine bolt can penetrate through connection through-hole 4 simultaneously It is connected in the cavity wall of connection card hole 8, while to reinforcement is carried out between the outer tube 2 after connection and inner tube 3, improves connection knot The securement strength of structure, and the outside on 2 top of outer tube is fixedly installed with upper snap ring 5, the outer diameter of upper snap ring 5 is greater than the outer of lower snap ring 6 Company's slot of diameter, 9 top of upper snap ring 5 and upper grooved ring is clamped, and company's slot at 11 top of lower snap ring 6 and lower grooved ring is clamped, upper snap ring 5 Side and the inner sidewall of the inner sidewall of upper grooved ring 9, the side of lower snap ring 6 and lower grooved ring 11 are seamlessly connected respectively, lower snap ring 6 with it is upper Grooved ring 9 does not contact, and is in reinforcement connection, is improving respectively between the top of the outer tube 2 after threaded connection and inner tube 3, bottom end Between outer tube 2 and inner tube 3 while bonding strength, further improves outer tube 2 and inner tube 3 connects the stabilization of composed structure work Property, inner tube 3, connection card hole 8, upper grooved ring 9, spacing bar 10 and lower grooved ring 11 are integrated between connector structure is made two-by-two, into one Step improves the bonding strength between outer combine component and the stability of combine component work, and the external fixed peace of 2 bottom end of outer tube Equipped with lower snap ring 6, the phase back side of upper snap ring 5, lower snap ring 6 and outer tube 2 is fixedly installed with closed loop 7, and closed loop 7 is enclosed by multiple inclined plates At annular plate, and the diameter of 7 upper end of closed loop be less than lower end diameter the top side of two closed loops 7 is made by the effect of closed loop 7 Engage respectively with the upper surface of connector and lower end surface, to effectively prevent dust and miscellaneous bits rubbish from entering outer tube 2 and inner tube 3 Composite structure in, further improve the stability of outer tube 2 and the work of 3 composite structure of inner tube, outer tube 2 and outer ball seat are integrally made At, and the inner wall of outer tube 2 is equipped with internal screw thread compatible with screw thread inner tube 3 outside, the inner wall of outer tube 2 and inner tube 3 outside Portion is threadedly coupled, and makes closely to be threadedly coupled between outer tube 2 and inner tube 3, so that it is gapless to constitute outer tube 2 and inner tube 3 Connection component further improves subsequent outer tube 2 and inner tube 3 combines while improving bonding strength between outer tube 2 and inner tube 3 The stability of arrangement works, while by making have dismountable function between outer tube 2 and inner tube 3, it is worn in outer tube 2, inner tube 3 Or in processing work it is unqualified when, can be instant outer tube 2, inner tube 3 are replaced, to further reduce processing work The problems such as wasting of resources, outer tube 2, connection through-hole 4, upper snap ring 5 and lower snap ring 6, closed loop 7 are integrated between connector knot is made two-by-two Structure further improves the bonding strength between interior combine component and the stability of combine component work, and spiral shell on the inner wall of outer tube 2 Line is socketed with inner tube 3, connection card hole 8 is offered on the inner sidewall of inner tube 3, the outside on 3 top of inner tube is fixedly installed with grooved ring 9, and the bottom end of inner tube 3 is fixedly connected with spacing bar 10, spacing bar 10 is fixedly connected with lower grooved ring 11 away from one end of inner tube 3, By the effect of spacing bar 10, make to generate gap between the bottom side of outer tube 2 and the top side of lower grooved ring 11, to further improve pair The validity of further reinforcement between the top of outer tube 2 and inner tube 3, bottom end.

Working principle, firstly, 2 spiral of outer tube to be socketed to the middle part of pipe 2 outside, then rotating outer tube 2 makes outer tube 2 and inner tube 3 are threadedly coupled, and upper snap ring 5 is connected to the top of grooved ring 9, and lower snap ring 6 is connected to the top side of lower grooved ring 11, then takes confinement spiral shell Bolt make confine bolt perforation connection through-hole 4 and extend to connection card hole 8 inner cavity, confine bolt with connect through-hole 4 and connection card It while hole 8 connects simultaneously, connects between processing is carried out outer tube 2 and inner tube 3, then trident constant velocity cardan joint 1 is carried out normally Connection work, the phase back side of closed loop 7 and trident constant velocity cardan joint 1 external card with 2 junction of connecting sleeve and outer tube respectively It closes.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (3)

1. a kind of double offset constant velocity joint, including trident constant velocity cardan joint (1), it is characterised in that: the trident constant velocity universal The middle part for saving (1) is equipped with outer tube (2), and screw thread is socketed with inner tube (3) on the inner wall of outer tube (2)；

Connection through-hole (4) is offered in the middle part of the outer tube (2), and the outside on outer tube (2) top is fixedly installed with upper snap ring (5), and the outside of outer tube (2) bottom end is fixedly installed with lower snap ring (6), the upper snap ring (5), lower snap ring (6) and outer tube (2) Phase back side is fixedly installed with closed loop (7), and outer tube (2) is made into integration with outer ball seat, and the inner wall of outer tube (2) is equipped with and inner tube (3) the external compatible internal screw thread of screw thread, the inner wall of the outer tube (2) are connect with the external screw-thread of inner tube (3), the outer tube (2), it through-hole (4), upper snap ring (5) and lower snap ring (6), closed loop (7) is connected is integrated between connector two-by-two and structure is made；

Connection card hole (8) is offered on the inner sidewall of said inner tube (3), the outside on said inner tube (3) top is fixedly installed with Grooved ring (9), and the bottom end of inner tube (3) is fixedly connected with spacing bar (10), the spacing bar (10) is solid away from the one end of inner tube (3) Surely lower grooved ring (11) are connected with.

2. a kind of double offset constant velocity joint according to claim 1, it is characterised in that: the outer diameter of the upper snap ring (5) Greater than the outer diameter of lower snap ring (6), company's slot at the top of the upper snap ring (5) and upper grooved ring (9) is clamped, and lower snap ring (6) and lower slot Company's slot clamping at the top of ring (11), the inner sidewalls of the side of the upper snap ring (5) and upper grooved ring (9), lower snap ring (6) side with The inner sidewall of lower grooved ring (11) is seamlessly connected respectively, and the lower snap ring (6) does not contact with upper grooved ring (9), and said inner tube (3) connects It connects card hole (8), upper grooved ring (9), spacing bar (10) and lower grooved ring (11) and is integrated between connector two-by-two and structure is made.

3. a kind of double offset constant velocity joint according to claim 1, it is characterised in that: connection through-hole (4) internal diameter Size with connection the internal diameter of card hole (8) it is identical, and connect through-hole (4) and connect the position of card hole (8) it is corresponding, it is described The depth for connecting through-hole (4) is identical as the thickness of inner tube (3) side wall, and the depth for connecting card hole (8) is outer tube (2) sidewall thickness Half.