CN206626111U - A kind of expansion set structure of convenient installation - Google Patents

A kind of expansion set structure of convenient installation Download PDF

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Publication number
CN206626111U
CN206626111U CN201720367760.5U CN201720367760U CN206626111U CN 206626111 U CN206626111 U CN 206626111U CN 201720367760 U CN201720367760 U CN 201720367760U CN 206626111 U CN206626111 U CN 206626111U
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CN
China
Prior art keywords
lozenges
taper ring
expansion set
expension cap
inner expension
Prior art date
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Active
Application number
CN201720367760.5U
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Chinese (zh)
Inventor
苏建伦
苏红平
吉志刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SICHUAN RUIDI JIAYUAN MACHINERY Co Ltd
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SICHUAN RUIDI JIAYUAN MACHINERY Co Ltd
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Priority to CN201720367760.5U priority Critical patent/CN206626111U/en
Application granted granted Critical
Publication of CN206626111U publication Critical patent/CN206626111U/en
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Abstract

The utility model discloses a kind of expansion set structure of convenient installation, including power transmission shaft, wheel hub and the expansion set structure being arranged between power transmission shaft and wheel hub, described expansion set structure includes inner expension cap, outer expansion set, preceding taper ring and rear taper ring, described inner expension cap is set on power transmission shaft, outer expansion set is set in the outside of inner expension cap, the inner surface of preceding taper ring is the lozenges being engaged with the lozenges of the front side of inner expension cap outer wall, the outer surface of preceding taper ring is the lozenges being engaged with the lozenges of the front side of outer expansion set inwall, the inner surface of taper ring is the lozenges being engaged with the lozenges of the rear side of inner expension cap outer wall afterwards, the outer surface of taper ring is the lozenges being engaged with the lozenges of the rear side of outer expansion set inwall afterwards, preceding taper ring is fixedly connected with rear taper ring by connecting bolt with locking nut.The beneficial effects of the utility model are:Convenient installation, the connection and dismounting of expansion set structure are can be realized as by screwing locking nut, swift to operate, laborsaving.

Description

A kind of expansion set structure of convenient installation
Technical field
It the utility model is related to and pass work(technical field of structures, particularly a kind of expansion set structure of convenient installation.
Background technology
It is simple in construction by way of transmitting moment of torsion driving parts in bonded spindle and axle, it can complete to transmit well Motion and the task of moment of torsion, still, the mode of key connection are driven there is the defects of inconvenient is dismantled in installation or removal Arduously time-consuming during wheel, after corrosion occurs for long-term use, dismounting will be bothered more.Being by the way of key connection will be in axle and transmission The keyway of setting-in key is opened up out on the wheel hub of wheel, weakens the mechanical strength of axle and wheel hub, can also produce stress concentration, at keyway Easily crack, crack or even opening make machine components premature failure.
Utility model content
A kind of the shortcomings that the purpose of this utility model is to overcome prior art, there is provided expansion set structure of convenient installation.
The purpose of this utility model is achieved through the following technical solutions:A kind of expansion set structure of convenient installation, including pass Moving axis, wheel hub and the expansion set structure being arranged between power transmission shaft and wheel hub, described expansion set structure include inner expension cap, outer expansion set, Preceding taper ring and rear taper ring, described inner expension cap are set on power transmission shaft, and the inwall of inner expension cap and the outer wall of power transmission shaft are affixed Close, outer expansion set is set in the outside of inner expension cap, and the outer wall of outer expansion set and the inwall of wheel hub fit, before the outer wall of inner expension cap Side and rear side are a lozenges, and two lozenges form projection at the middle part of inner expension cap outer wall, before the inwall of outer expansion set Side and rear side are a lozenges, and two lozenges form projection, the inner surface of preceding taper ring at the middle part of outer expansion set inwall The lozenges being engaged for the lozenges of the front side with inner expension cap outer wall, the outer surface of preceding taper ring be with before outer expansion set inwall The lozenges that the lozenges of side is engaged, the inner surface of rear taper ring is what is be engaged with the lozenges of the rear side of inner expension cap outer wall Lozenges, the outer surface of rear taper ring are the lozenges being engaged with the lozenges of the rear side of outer expansion set inwall, preceding taper ring and Taper ring is fixedly connected by connecting bolt with locking nut afterwards.
Described preceding taper ring and rear taper ring are provided with the axially extending bore passed through for connecting bolt, and connecting bolt is successively Through preceding taper ring and rear taper ring, locking nut is installed on clamping screw and passed on the part of rear taper ring.So as to pass through rotation Tight locking nut, preceding taper ring and rear taper ring, preceding taper ring and rear cone are fixedly connected with connecting bolt effect by locking nut The lozenges extruding inner expension cap of shape circle and the lozenges of outer expansion set, so as to realize the firm fixation of expansion set structure.
Preferably, the surface of the lozenges of described inner expension cap and outer expansion set be provided with extend along the longitudinal direction it is convex The surface of the lozenges of rib, preceding taper ring and rear taper ring is provided with the groove being engaged with the fin.So that in assembling, The fit structure of fin and groove can form good guide effect, improve the axiality of part, meanwhile, fin and groove Fit structure can also provide circumferential limit function after expansion set structure stable connection, improve torsional strength.
The utility model has advantages below:
The utility model is convenient to be installed, and the connection and dismounting of expansion set structure are can be realized as by screwing locking nut, is grasped Make quick, laborsaving.Extra twisting resistance can be provided simultaneously, and use reliability is high.Avoid and processed on power transmission shaft or wheel hub Groove, improve the rigidity of device, the service life of extension fixture.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure, 1- power transmission shafts, 2- wheel hubs, 3- inner expension caps, the outer expansion sets of 4-, taper ring before 5-, taper ring after 6-, 7- connection spiral shells Bolt, 8- locking nuts, 9- fins, 10- grooves.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of expansion set structure of convenient installation, including power transmission shaft 1, wheel hub 2 and it is arranged at power transmission shaft 1 and wheel Expansion set structure between hub 2, described expansion set structure includes inner expension cap 3, outer expansion set 4, preceding taper ring 5 and rear taper ring 6, described Inner expension cap 3 be set on power transmission shaft 1, the outer wall of the inwall and power transmission shaft 1 of inner expension cap 3 fits, and outer expansion set 4 is set in interior swollen The outside of set 3, and the inwall of the outer wall of outer expansion set 4 and wheel hub 2 fits, the front side of the outer wall of inner expension cap 3 and rear side are one Individual lozenges, two lozenges form projection at the middle part of the outer wall of inner expension cap 3, and the front side of the inwall of outer expansion set 4 and rear side are One lozenges, two lozenges form projection at the middle part of the outer inwall of expansion set 4, and the inner surface of preceding taper ring 5 is and inner expension cap 3 The lozenges that the lozenges of the front side of outer wall is engaged, the outer surface of preceding taper ring 5 is the wedge shape with the front side of the outer inwall of expansion set 4 The lozenges that face is engaged, the inner surface of rear taper ring 6 are the wedge shape being engaged with the lozenges of the rear side of the outer wall of inner expension cap 3 Face, the outer surface of rear taper ring 6 are the lozenges being engaged with the lozenges of the rear side of the outer inwall of expansion set 4, and preceding taper ring 5 is with after Taper ring 6 is fixedly connected by connecting bolt 7 with locking nut 8.
Described preceding taper ring 5 and rear taper ring 6 is provided with the axially extending bore passed through for connecting bolt 7, connecting bolt 7 Preceding taper ring 5 and rear taper ring 6 are sequentially passed through, locking nut 8 is installed on clamping screw and passed on the part of rear taper ring 6.From And by screwing locking nut 8, preceding taper ring 5 and rear taper ring 6 are fixedly connected with the effect of connecting bolt 7 by locking nut 8, it is preceding The lozenges of taper ring 5 and rear taper ring 6 extrudes the lozenges of inner expension cap 3 and outer expansion set 4, so as to realize the firm of expansion set structure It is fixed.
Preferable described inner expension cap 3 and the surface of the lozenges of outer expansion set 4 be provided with extend along the longitudinal direction it is convex Rib 9, the surface of the lozenges of preceding taper ring 5 and rear taper ring 6 are provided with the groove 10 being engaged with the fin 9.So that During assembling, the fit structure of fin 9 and groove 10 can form good guide effect, improve the axiality of part, meanwhile, it is convex The fit structure of rib 9 and groove 10 can also provide circumferential limit function after expansion set structure stable connection, improve torsional strength.
The utility model is convenient to be installed, and the connection and dismounting of expansion set structure are can be realized as by screwing locking nut 8, is grasped Make quick, laborsaving.Extra twisting resistance can be provided simultaneously, and use reliability is high.Avoid and add on power transmission shaft 1 or wheel hub 2 Work groove 10, improve the rigidity of device, the service life of extension fixture.

Claims (3)

  1. A kind of 1. expansion set structure of convenient installation, it is characterised in that:Including power transmission shaft(1), wheel hub(2)Be arranged at power transmission shaft (1)With wheel hub(2)Between expansion set structure, described expansion set structure includes inner expension cap(3), outer expansion set(4), preceding taper ring(5) With rear taper ring(6), described inner expension cap(3)It is set in power transmission shaft(1)On, inner expension cap(3)Inwall and power transmission shaft(1)It is outer Wall fits, outer expansion set(4)It is set in inner expension cap(3)Outside, and outer expansion set(4)Outer wall and wheel hub(2)Inwall be affixed Close, inner expension cap(3)Outer wall front side and rear side be a lozenges, two lozenges are in inner expension cap(3)The middle part of outer wall Form raised, outer expansion set(4)Inwall front side and rear side be a lozenges, two lozenges are in outer expansion set(4)Inwall Middle part form projection, preceding taper ring(5)Inner surface be and inner expension cap(3)The wedge shape that the lozenges of the front side of outer wall is engaged Face, preceding taper ring(5)Outer surface be and outer expansion set(4)The lozenges that the lozenges of the front side of inwall is engaged, rear taper ring (6)Inner surface be and inner expension cap(3)The lozenges that the lozenges of the rear side of outer wall is engaged, rear taper ring(6)Outer surface For with outer expansion set(4)The lozenges that the lozenges of the rear side of inwall is engaged, preceding taper ring(5)With rear taper ring(6)Pass through company Connecting bolt(7)And locking nut(8)It is fixedly connected.
  2. A kind of 2. expansion set structure of convenient installation according to claim 1, it is characterised in that:Described preceding taper ring(5) With rear taper ring(6)It is provided with and supplies connecting bolt(7)The axially extending bore passed through, connecting bolt(7)Sequentially pass through preceding taper ring (5)With rear taper ring(6), locking nut(8)It is installed on clamping screw and passes rear taper ring(6)Part on.
  3. A kind of 3. expansion set structure of convenient installation according to claim 1, it is characterised in that:It is described preferable described Inner expension cap(3)With outer expansion set(4)The surface of lozenges be provided with the fin extended along the longitudinal direction(9), preceding taper ring(5) With rear taper ring(6)The surface of lozenges be provided with and the fin(9)The groove being engaged(10).
CN201720367760.5U 2017-04-10 2017-04-10 A kind of expansion set structure of convenient installation Active CN206626111U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720367760.5U CN206626111U (en) 2017-04-10 2017-04-10 A kind of expansion set structure of convenient installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720367760.5U CN206626111U (en) 2017-04-10 2017-04-10 A kind of expansion set structure of convenient installation

Publications (1)

Publication Number Publication Date
CN206626111U true CN206626111U (en) 2017-11-10

Family

ID=60207380

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720367760.5U Active CN206626111U (en) 2017-04-10 2017-04-10 A kind of expansion set structure of convenient installation

Country Status (1)

Country Link
CN (1) CN206626111U (en)

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