CN206246554U - A kind of double universal coupling - Google Patents

Abstract

The utility model is related to a kind of double universal coupling, including shaft coupling block, transition components and shaft coupling component；Shaft coupling component includes connecting shaft, briquetting, screw, cushion block and sunk screw；Transition components include conversion block, pad, Top fastening screw and sleeve；When using, the shaft coupling component of both sides is connected with outside rotating shaft respectively, so as to reach two purposes of rotating shaft of connection, can realize relatively rotating between conversion block and briquetting, can also realize relatively rotating between shaft coupling block and conversion block, even if the rotating shaft at two ends can not play preferable shaft coupling effect on the same line, also.The utility model simple structure, is completely embedded, and is driven effective and low cost of manufacture, applied widely even if the rotating shaft that both sides are connected coaxially can also not connected and play preferable shaft coupling effect.

Description

A kind of double universal coupling

Technical field

The utility model is related to a kind of shaft coupling, more particularly to a kind of double universal coupling.

Background technology

Shaft coupling is two axles in coupling different institutions（Driving shaft and driven shaft）It is allowed to rotate to transmit jointly The machine components of moment of torsion.Shaft coupling is made up of two half parts, couples with driving shaft and driven shaft respectively.Current application it is many Mostly there is the deficiency that the scope of application owes broad in axle device, manufacture and installation accuracy requirement are also higher, for shape, change in size compared with Big axial workpiece is coupled the shaft coupling that often match different size or type respectively, increased product operation and maintenance into This.

In the prior art, such as Patent No. 201320494886.0, the applying date is 2013.08.13《Shaft coupling》, the practicality New use integrative-structure is set, and structural strength is strong, and bearing capacity is good.But the utility model structure is complex, parts Quantity is various, is more expensive to manufacture, and the axiality requirement of the rotating shaft connected to both sides is high, and the scope of application is small, awaits further Improve.

The content of the invention

In view of the above-mentioned state of the art, technical problem to be solved in the utility model is to provide a kind of structure letter Even if single, be completely embedded, be driven effectively and the rotating shaft that is connected of low cost of manufacture, both sides is not coaxial can also connect and play preferable Shaft coupling effect, double universal coupling applied widely.

The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of double universal coupling, including connection Axle block, transition components and shaft coupling component, it is characterised in that：The shaft coupling component includes connecting shaft, briquetting, screw, cushion block and sinks Head screw, one end of the connecting shaft forms Step Shaft, and the other end center of the Step Shaft forms the first rectangular block, Two first through hole are offered on first rectangular block；Two the second through holes are offered on the briquetting；The side of the briquetting Face forms the second rectangular block, and the side of second rectangular block forms the 3rd rectangular block, opened up on second rectangular block There is third through-hole；The both sides of the first rectangular block in the connecting shaft are provided with a briquetting；The afterbody of the screw is opened up There is internal thread hole；Described two screws pass through two first through hole on the second through hole and connecting shaft on two briquettings；It is described One end of cushion block forms sphere, and platform is formed at the top of the sphere, and the center of the platform offers conical surface counterbore, institute The bottom centre for stating conical surface counterbore offers circular hole；The sunk screw is screwed on screw through the circular hole on cushion block Internal thread hole in, so as to connecting shaft and two briquettings are fixed together.

Further, the transition components include conversion block, pad, Top fastening screw and sleeve, are molded on the conversion block There are two receivers for being mutually perpendicular to place, the two ends center of described two receivers offers through hole, the through hole Two ends inner side offer two the first symmetrical half-thread holes.

Further, a sleeve is inserted with the through hole, the two ends outside of the sleeve offers two The second symmetrical half-thread hole；The second half-thread hole is identical with the size in the first half-thread hole and complements each other to form One complete screwed hole, the Top fastening screw is screwed into the screwed hole being made up of the first half-thread hole and the second half-thread hole In, so as to sleeve is fixed in the through hole on conversion block.

Further, the receiver two ends on the conversion block are provided with a pad, the receiver and two pads Piece is embedded between the second rectangular block on two briquettings in the lump, so as to conversion block be linked together with two briquettings.

Further, the two ends of the shaft coupling block form a contiguous block, and the two ends of the contiguous block form One the 4th rectangular block.

Further, the two ends of the contiguous block offer a third through-hole.

Further, between two contiguous blocks that another receiver on the conversion block is inserted on shaft coupling block and connect Connect.

Compared with prior art, the utility model has the advantage of：The utility model simple structure, is completely embedded, transmission Effective and low cost of manufacture, even if the rotating shaft that both sides are connected coaxially can also not connected and play preferable shaft coupling effect, is applicable Scope is wide.

Brief description of the drawings

Fig. 1 is structure chart of the present utility model；

Fig. 2 is the structure chart of cushion block of the present utility model.

Specific embodiment

As shown in Figure 1-2, a kind of double universal coupling, including shaft coupling block 10, transition components and shaft coupling component；Shaft coupling component Including connecting shaft 1, briquetting 2, screw 3, cushion block 4 and sunk screw 5, one end of connecting shaft 1 forms Step Shaft 101, Step Shaft 101 other end center forms the first rectangular block 102, and two first through hole 103 are offered on the first rectangular block 102；Pressure Two the second through holes 201 are offered on block 2；The side of briquetting 2 forms the second rectangular block 202, the side of the second rectangular block 202 The 3rd rectangular block 203 is formed, third through-hole 204 is offered on the second rectangular block 202；The first rectangular block 102 in connecting shaft 1 Both sides be provided with a briquetting 2；The afterbody of screw 3 offers internal thread hole 31；Two briquettings are passed through using two screws 3 Two first through hole 103 on the second through hole 201 and connecting shaft 1 on 2；One end of cushion block 4 forms sphere 41, sphere 41 Top forms platform 42, and the center of platform 42 offers conical surface counterbore 43, and the bottom centre of conical surface counterbore 43 offers circular hole 44；By sunk screw 5 through the circular hole 44 on cushion block 4, and then it is screwed into the internal thread hole 31 on screw 3, so that will connection Axle 1 and two briquettings 2 are fixed together；Transition components include conversion block 9, pad 6, Top fastening screw 7 and sleeve 8, on conversion block 9 Two receivers 91 for being mutually perpendicular to place are formed, the two ends center of two receivers 91 offers through hole 92, runs through The two ends inner side in hole 92 offers two the first symmetrical half-thread holes 93；A sleeve is inserted with through hole 92 8, the two ends outside of sleeve 8 offers two the second symmetrical half-thread holes 81；First half-thread hole 93 and the second half The size of screwed hole 81 is identical and complements each other to form a complete screwed hole, and Top fastening screw 7 is screwed into by the first half-thread In the screwed hole of the composition of 93 and second half-thread hole of hole 81, so that in the through hole 92 that sleeve 8 is fixed on conversion block 9；Turn The two ends of receiver 91 changed on block 9 are provided with a pad 6, and receiver 91 and two pads 6 are embedded in two briquettings 2 in the lump On the second rectangular block 202 between, then combined conversion block 9 and two briquettings 2 using screw 3, cushion block 4 and sunk screw 5 Link together；The two ends of shaft coupling block 10 form a contiguous block 1001, and the two ends of contiguous block 1001 form one 4th rectangular block 1002；The two ends of contiguous block 1001 offer a third through-hole 1003；By another set on conversion block 9 Cylinder base 91 is inserted between two contiguous blocks 1001, then uses identical screw 3 through the third through-hole on contiguous block 1001 1003 and identical pad 6, Top fastening screw 7 and sleeve 8 combine, then reuse cushion block 4 and sunk screw 5 combined shaft coupling block 10 are connected with conversion block 9, similarly, the transition components and shaft coupling component of opposite side also according to said method assembly connection；When using, two The shaft coupling component of side is connected with outside rotating shaft respectively, so as to reach two purposes of rotating shaft of connection, conversion block 9 and briquetting 2 it Between can realize relatively rotate, between shaft coupling block 10 and conversion block 9 also can realize relatively rotate, even if the rotating shaft at two ends is not same On straight line, preferable shaft coupling effect can be also played.

The utility model simple structure, is completely embedded, and effective and low cost of manufacture is driven, even if the rotating shaft that both sides are connected Coaxially can also not connect and play preferable shaft coupling effect, it is applied widely.

Finally it should be noted that：Above example is only used to illustrate the technical solution of the utility model, rather than its limitations； Although being described in detail to the utility model with reference to the foregoing embodiments, it will be understood by those of skill in the art that its according to The technical scheme described in foregoing embodiments can so be modified, or which part technical characteristic is replaced on an equal basis Change；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technical scheme of the utility model Spirit and scope.

Claims (7)

1. a kind of double universal coupling, including shaft coupling block, transition components and shaft coupling component, it is characterised in that：The shaft coupling component Including connecting shaft, briquetting, screw, cushion block and sunk screw, one end of the connecting shaft forms Step Shaft, the Step Shaft Other end center forms the first rectangular block, and two first through hole are offered on first rectangular block；Opened on the briquetting It is provided with two the second through holes；The side of the briquetting forms the second rectangular block, and the side of second rectangular block forms Three rectangular blocks, third through-hole is offered on second rectangular block；The both sides of the first rectangular block in the connecting shaft are respectively provided with There is a briquetting；The afterbody of the screw offers internal thread hole；Described two screws pass through the second through hole on two briquettings With two first through hole in connecting shaft；One end of the cushion block forms sphere, and platform, institute are formed at the top of the sphere The center for stating platform offers conical surface counterbore, and the bottom centre of the conical surface counterbore offers circular hole；The sunk screw is passed through Circular hole on cushion block, and then be screwed into the internal thread hole on screw, so as to connecting shaft and two briquettings are fixed together.

2. a kind of double universal coupling according to claim 1, it is characterised in that：The transition components include conversion block, Pad, Top fastening screw and sleeve, form two receivers for being mutually perpendicular to place, described two receivers on the conversion block Two ends center offer through hole, the two ends inner side of the through hole offers two the first symmetrical half-threads Hole.

3. a kind of double universal coupling according to claim 2, it is characterised in that：One is inserted with the through hole Sleeve, the two ends outside of the sleeve offers two the second symmetrical half-thread holes；The second half-thread hole with The size in the first half-thread hole is identical and complements each other to form a complete screwed hole, and the Top fastening screw is screwed into by first In the screwed hole of half-thread hole and the second half-thread hole composition, so as to sleeve is fixed in the through hole on conversion block.

4. a kind of double universal coupling according to claim 2, it is characterised in that：Receiver two ends on the conversion block A pad is provided with, the receiver and two pads are embedded between the second rectangular block on two briquettings in the lump, from And conversion block links together with two briquettings.

5. a kind of double universal coupling according to claim 1, it is characterised in that：The two ends of the shaft coupling block form One contiguous block, the two ends of the contiguous block form the 4th rectangular block.

6. a kind of double universal coupling according to claim 5, it is characterised in that：The two ends of the contiguous block offer One third through-hole.

7. a kind of double universal coupling according to claim 2, it is characterised in that：Another sleeve on the conversion block Between two contiguous blocks being inserted on shaft coupling block of seat and connect.