CN215673245U - Coupling device - Google Patents
Coupling device Download PDFInfo
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- CN215673245U CN215673245U CN202121579546.9U CN202121579546U CN215673245U CN 215673245 U CN215673245 U CN 215673245U CN 202121579546 U CN202121579546 U CN 202121579546U CN 215673245 U CN215673245 U CN 215673245U
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Abstract
The utility model discloses a coupler, which comprises two half couplers and a cross piece, wherein one side of each half coupler, which faces to the other half coupler, is provided with a plurality of bearing rollers, and the plurality of bearing rollers and each half coupler are enclosed to form a sliding groove; the cross clamp is located two between the half-coupling, the relative both sides of cross all protruding slip table that is equipped with, two the extending direction of slip table is the contained angle setting, each the slip table holds and is spacing in one in the spout, and with a plurality of bearing roller rolls the butt. The technical scheme of the utility model improves the transmission efficiency of the coupler.
Description
Technical Field
The utility model relates to the technical field of couplings, in particular to a coupling.
Background
In the mechanical industry, a coupling connects two rotating shafts to perform a mechanical transmission function. Crosshead shoe couplings are widely used in mechanical transmissions. The transmission device has the characteristics of large transmission torque, high transmission efficiency, long service life, low noise and the like. The Oldham coupling, also known as an slipper coupling, is composed of two coupling halves with grooves on their end faces and an intermediate disc with convex teeth on both faces. Because the convex teeth can slide in the grooves, the relative displacement between the two shafts during installation and operation can be compensated. However, since the teeth slide in the grooves to generate friction force, the friction force increases as the transmission torque increases, which tends to lower the transmission efficiency of the coupling.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a coupler, aiming at improving the transmission efficiency of the coupler.
In order to achieve the above object, the present invention provides a coupling comprising:
the two half couplers are oppositely arranged, one side of each half coupler, which faces to the other half coupler, is provided with a plurality of bearing rollers, and the bearing rollers are matched to form a sliding groove; and
the cross, the cross is located two between the half-coupling, the relative both sides of cross are all protruding to be equipped with the slip table, two the extending direction of slip table is the contained angle setting, each the slip table holds and is spacing in one in the spout, and with a plurality of bearing roller rolls the butt.
Optionally, each of the coupling halves comprises:
a body;
the mounting shafts are arranged on one side of the body at intervals and are arranged in two rows; and
the bearing idler wheels are sleeved on the mounting shaft, and the two rows of bearing idler wheels and the body jointly enclose to form the sliding groove.
Optionally, the half-coupling still includes two supporting pieces, two the supporting piece with the connection can be dismantled to the body, and with the body encloses to close and is formed with the installation cavity, the installation axle with the bearing roller is located in the installation cavity, and two be formed with the intercommunication between the supporting piece the opening of spout, the slip table passes the opening and hold in the spout.
Optionally, each supporting block includes connecting portion and location portion that is connected, location portion with connecting portion enclose to close and are formed with the mounting groove, connecting portion with the connection can be dismantled to the body, location portion and a plurality of the connection can be dismantled to the installation axle, two the cell wall of mounting groove with the body encloses to close and forms the installation cavity.
Optionally, the two opposite sides of each sliding table are provided with clamping grooves, and one side of each positioning portion facing to the other positioning portion is convexly provided with a clamping table;
when the sliding table is accommodated in the sliding groove, the clamping table is clamped in the clamping groove.
Optionally, each connecting portion is equipped with a plurality of intercommunications the arc recess of mounting groove, it is a plurality of the arc recess interval sets up, each the arc recess is used for keeping away one the bearing gyro wheel.
Optionally, the body is provided with two positioning grooves, the two positioning grooves are respectively located on two opposite sides of the mounting shaft, each connecting portion faces one side of the body and is convexly provided with a positioning table, and one positioning table is accommodated in one positioning groove.
Optionally, the positioning portion is provided with a plurality of shaft holes, and one end of the mounting shaft, which is far away from the body, penetrates through one of the shaft holes;
and/or, the body is provided with at least two fixing holes, the at least two fixing holes are uniformly distributed on two opposite sides of the plurality of installation shafts, one side of each connecting part facing the body is provided with a connecting hole, and a connecting piece sequentially penetrates through the connecting holes and the fixing holes to connect the supporting block and the body.
Optionally, at least one of the sliding table and the bearing roller has elasticity, and the width of the sliding table is greater than or equal to the width of the sliding groove.
Optionally, each half-coupling is provided with an assembly table, the assembly table is provided with assembly holes, and the assembly holes are coaxially arranged.
According to the technical scheme, the two half couplers are respectively used for being connected with the driving shaft and the driven shaft so as to play a role in mechanical transmission. Each half coupling is provided with a plurality of bearing rollers which surround to form a sliding groove. Simultaneously, set up the cross clamp and establish between two half-couplings, the slide cooperation of slip table and each half-coupling of cross through its relative both sides for each slip table and bearing roller roll butt. The sliding friction between the sliding table and the sliding groove is changed into rolling friction, so that the friction force is reduced, and the transmission efficiency of the coupler is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a coupling according to the present invention;
FIG. 2 is an exploded view of one embodiment of the coupling of the present invention;
FIG. 3 is a partial schematic structural view of a coupling half according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a support block in an embodiment of the coupling of the present invention;
FIG. 5 is a schematic diagram of a cross in an embodiment of the coupling of the present invention.
The reference numbers illustrate:
reference numerals | Name (R) | Reference numerals | Name (R) |
100 | |
1513 | Connecting hole |
1 | |
152 | Positioning |
11 | |
1521 | |
111 | Locating |
1522 | Card table |
112 | |
153 | |
12 | |
16 | Opening of the |
13 | |
17 | Assembly table |
14 | |
171 | |
15 | |
2 | |
151 | Connecting |
21 | Sliding table |
1511 | Arc- |
211 | Clamping |
1512 | Positioning table |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The present invention provides a coupling 100.
Referring to fig. 1 and fig. 2, in the embodiment of the present invention, the coupling 100 includes two coupling halves 1 and a cross 2, the two coupling halves 100 are disposed oppositely, one side of each coupling half 1 facing the other coupling half 1 is provided with a plurality of bearing rollers 13, and the plurality of bearing rollers 13 cooperate to form a sliding slot 14; cross 2 locates between two half-couplings 1, and the relative both sides of cross 2 are all protruding to be equipped with slip table 21, and the extending direction of two slip tables 21 is the contained angle setting, and each slip table 21 holds and is spacing in a spout 14 to roll the butt with a plurality of bearing roller 13.
In this embodiment, half of the coupling 1 is connected with the driving shaft, and the other half of the coupling 1 is connected with the driven shaft, so that the driving shaft drives the driven shaft to rotate. Specifically, two end faces of the two half-couplings 1, which face away from each other, are respectively provided with a convex assembling platform 17, and the assembling platforms 17 are annular, that is, the assembling platforms 17 enclose to form an assembling hole 171 for assembling with the driving shaft or the driven shaft. The fitting holes 171 of the two coupling halves 1 are arranged coaxially in order to rotate the drive shaft and the driven shaft coaxially. It will be appreciated that the size of the assembly table 17 of the two coupling halves 1 can be adjusted to the size of the driving or driven shaft for assembly. Optionally, be equipped with the breach on annular assembly jig 17, all set up the locking hole that runs through assembly jig 17 on two walls of breach, after driving shaft or driven shaft wear to locate assembly hole 171, the accessible retaining member passes two locking holes in proper order to locking is located the driving shaft or the driven shaft of assembly hole 171, and the retaining member can be bolt or screw etc. in order to further improve connection stability.
In order to enable the driving shaft or the driven shaft to be installed more stably, the assembling hole 171 can be formed to penetrate through the half-coupling 1, so that the driving shaft can extend into the sliding groove 14.
In this embodiment, the coupling 100 is an oldham coupling 100, wherein the cross 2 is sandwiched between two coupling halves 1. Specifically, the cross 2 is in a disk shape, and two opposite sides of the cross are provided with sliding tables 21 in a protruding manner, and the sliding tables 21 extend from the edge of one side of the cross 2 to the center direction thereof and extend to the other edge through the center thereof. That is, the slide table 21 is elongated so as to slide in the slide groove 14. The extending directions of the two sliding tables 21 are arranged in an included angle, such as an acute angle or an obtuse angle, preferably, the two sliding tables 21 are perpendicular to each other, and the two sliding tables 21 slide in the sliding grooves 14, so that the installation error between the coupler 100 and the driving shaft and the driven shaft or the axial deviation in the operation process can be compensated, and the transmission precision is improved. Specifically, the sliding groove 14 is formed by enclosing a plurality of bearing rollers 13 and the half coupling 1, and the bearing rollers 13 include an inner ring and an outer ring, wherein the inner ring is fixedly connected with the half coupling 1, and the outer ring can rotate relative to the inner ring. It can be understood that the shape of spout 14 and the shape looks adaptation of slip table 21 all are rectangular shape, also are slip table 21 and wear to locate in spout 14 to roll the butt with the outer lane of a plurality of bearing gyro wheels 13, so that slip table 21 slides in spout 14, reduces frictional force, improves transmission efficiency.
According to the technical scheme, the two half couplers 1 are respectively used for being connected with the driving shaft and the driven shaft so as to play a role in mechanical transmission. Each coupling part 1 is provided with a plurality of bearing rollers 13, and the bearing rollers 13 surround to form a sliding chute 14. Meanwhile, the cross piece 2 is arranged between the two half couplings 1 in a clamping mode, and the cross piece 2 is matched with the sliding groove 14 of each half coupling 1 through the sliding tables 21 on the two opposite sides of the cross piece, so that each sliding table 21 is in rolling contact with the bearing roller 13. The sliding friction between the sliding table 21 and the sliding groove 14 is changed into rolling friction, so that the friction force is reduced, and the transmission efficiency of the coupler 100 is improved.
In one embodiment, the bottom wall of the slide groove 14 is provided with a rolling groove (not shown), i.e. the side of the coupling part 1 facing the slide groove 14 is provided with a rolling groove, and at the same time, the rolling groove is provided with rollers, and when the opposite sides of the sliding table 21 are in rolling contact with the bearing rollers 13, the end surface of the sliding table 21 is in rolling contact with the rollers. In this way, the multiple surfaces of the sliding table 21 are in rolling contact with the half coupling 1, rolling friction replaces sliding friction, friction force is further reduced, and transmission efficiency of the coupling 100 is improved.
In one embodiment, at least one of the slide table 21 and the bearing roller 13 has elasticity, and the width of the slide table 21 is greater than or equal to the width of the slide groove 14.
In this embodiment, the material of the cross 2 may be selected from plastic, copper, aluminum, etc., the direction perpendicular to the extending direction of the sliding table 21 is defined as the width of the sliding table 21, and the width of the sliding groove 14 is the distance between the two rows of bearing rollers 13, so that the width of the sliding table 21 is slightly larger than the width of the sliding groove 14, so that the sliding table 21 abuts against the groove wall of the sliding groove 14. Or, a rubber ring or a plastic ring is sleeved on the bearing roller 13, so that the outer ring of the bearing roller 13 has a certain deformation capability. Optionally, the cross 2 may also be made of iron or steel, and at this time, the width of the sliding table 21 is set to be equal to the width of the sliding groove 14, so that the sliding table 21 can be installed in the sliding groove 14 by rolling of the bearing roller 13. Therefore, the gap between the sliding table 21 and the groove wall of the sliding groove 14 is eliminated, the transmission precision of the coupler 100 is higher, and the driving shaft and the driven shaft are prevented from coaxially rotating.
As shown in fig. 2, in an embodiment, each half coupling 1 includes a body 11, a plurality of mounting shafts 12 and a plurality of bearing rollers 13, the mounting shafts 12 are spaced at one side of the body 11 and are arranged in two rows; each bearing roller 13 is sleeved on a mounting shaft 12, and two rows of bearing rollers 13 and the body 11 together enclose to form a sliding chute 14.
In this embodiment, the body 11 is in a disc shape, optionally, one end of the mounting shafts 12 is fixedly connected to one side of the body 11, and the connection manner may be bonding, welding, or clamping, which is not limited herein. It can be understood that the mounting shafts 12 are arranged side by side at intervals and form two rows, and when the bearing rollers 13 are respectively sleeved on the mounting shafts 12, that is, there is an interval between the two rows of mounting shafts 12, and the interval is the sliding groove 14. It will be understood that the two rows of mounting shafts 12 are symmetrically disposed, and the number of the mounting shafts 12 in each row can be three, four or five, which is not limited herein. So, be convenient for the installation of bearing roller 13, the inner circle and the installation axle 12 fixed connection of bearing roller 13, the outer lane is used for with slip table 21 butt.
With reference to fig. 1 and fig. 2, in an embodiment, the coupling half 1 further includes two supporting blocks 15, the two supporting blocks 15 are detachably connected to the main body 11 and form a mounting cavity with the main body 11, the mounting shaft 12 and the bearing roller 13 are located in the mounting cavity, an opening 16 communicating with the sliding groove 14 is formed between the two supporting blocks 15, and the sliding table 21 passes through the opening 16 and is accommodated in the sliding groove 14.
In order to facilitate the mounting of the bearing roller 12 and, at the same time, to make the bearing roller 13 effectively protected, two bearing blocks 15 are provided which are detachably connected to the body 11. Optionally, the longitudinal section of the support block 15 is "L" shaped. It can be understood that two supporting blocks 15 are respectively located at two opposite sides of the sliding slot 14, and one end of each supporting block is detachably connected to the body 11, and the other end covers the slot of the sliding slot 14 and is connected to a row of mounting shafts 12 to be limited and sleeved on the bearing rollers 13 of the mounting shafts 12. It can be understood that, two supporting blocks 15 and the body 11 enclose to form a mounting cavity, and the mounting shaft 12 and the bearing roller 13 are arranged in the mounting cavity, so that effective protection can be formed and dirt can be prevented from entering the mounting cavity. When the bearing roller 13 needs to be mounted and dismounted, the supporting block 15 can be dismounted. Meanwhile, the two support blocks 15 have a certain interval therebetween, which is an opening 16 communicating with the chute 14, and it is understood that the opening 16 has an elongated shape so that the chute 14 passes through the opening 16 and is accommodated in the chute 14.
Referring to fig. 2 and 4, in an embodiment, each supporting block 15 includes a connecting portion 151 and a positioning portion 152 connected to each other, the positioning portion 152 and the connecting portion 151 enclose to form an installation groove 153, the connecting portion 151 is detachably connected to the body 11, the positioning portion 152 is detachably connected to the plurality of installation shafts 12, and the groove walls of the two installation grooves 153 and the body 11 enclose to form an installation cavity.
In this embodiment, the included angle between the connecting portion 151 and the positioning portion 152 is a right angle, and the connecting portion 151 and the positioning portion 152 are integrally formed, so that the production is facilitated, and the installation steps are reduced. In this way, the connecting portion 151 and the positioning portion 152 enclose to form a mounting groove 153 for accommodating a row of bearing rollers 13. The detachable connection between the connection portion 151 and the body 11 may be a bolt connection, a screw connection, a snap connection, or the like, but is not limited thereto, as long as the detachable connection is achieved, so as to improve the convenience of assembly and disassembly. Meanwhile, the positioning portion 152 is detachably connected with the row of mounting shafts 12, for example, by screwing or snapping, so that the mounting and dismounting convenience is improved. The groove walls of the two mounting grooves 153 and the body 11 enclose to form a mounting cavity to protect the bearing roller 13.
Referring to fig. 2 and fig. 5, in an embodiment, the opposite sides of each sliding table 21 are provided with a clamping groove 211, one side of each positioning portion 152 facing the other positioning portion 152 is convexly provided with a clamping table 1522, and when the sliding table 21 is accommodated in the sliding groove 14, the clamping table 1522 is clamped in the clamping groove 211.
In this embodiment, the locking groove 211 extends along the extending direction of the sliding table 21 and is located at the connection position of the sliding table 21 and the cross member 2 body 11. Simultaneously, all protruding calorie of platform 1522 that is equipped with in the one end that the location portion 152 of two supporting blocks 15 is in opposite directions, when two supporting blocks 15 were installed in the relative both sides of spout 14, and slip table 21 holds in spout 14, and the draw-in groove 211 is worn to locate by calorie of platform 1522 this moment, and it can be understood, the shape and the draw-in groove 211 looks adaptation of calorie of platform 1522. When the slide table 21 is accommodated in the slide groove 14, the two support blocks 15 can limit the cross 2 by the catch 1522 to prevent the cross 2 from being released.
As shown in fig. 2, in an embodiment, each of the connection portions 151 is provided with a plurality of arc grooves 1511 communicated with the mounting grooves 153, the plurality of arc grooves 1511 are spaced apart, and each of the arc grooves 1511 is used for avoiding a bearing roller 13.
In this embodiment, in order to avoid the bearing roller 13 and prevent the bearing roller 13 from rotating, a plurality of arc grooves 1511 are disposed in the connecting portion 151. Specifically, the groove wall of each arc groove 1511 is fitted to the outer peripheral wall of the bearing roller 13. Thus, the support block 15 is prevented from being excessively hollowed out to cause insufficient strength, and the rotation of the bearing roller 13 is not affected. The number of the arc-shaped grooves 1511 is the same as the number of the row of the bearing rollers 13, that is, one arc-shaped groove 1511 is located away from one bearing roller 13.
Referring to fig. 3 and fig. 4, in an embodiment, the body 11 is provided with two positioning slots 111, the two positioning slots 111 are respectively located at two opposite sides of the plurality of mounting shafts 12, a positioning table 1512 is convexly provided at one side of each connecting portion 151 facing the body 11, and the positioning table 1512 is accommodated in the positioning slot 111.
In this embodiment, in order to facilitate the connection and fixation of the supporting block 15 and the body 11, the body 11 is provided with two positioning slots 111, the two positioning slots 111 are respectively located at two opposite sides of the plurality of mounting shafts 12, the positioning slots 111 are in a long strip shape, correspondingly, the positioning table 1512 is also in a long strip shape, and the positioning table 1512 is adapted to the positioning slots 111. When the supporting block 15 is connected to the body 11, the positioning table 1512 is engaged with the positioning groove 111, so as to improve the connection convenience.
Referring to fig. 2 and 3, in an embodiment, the body 11 is provided with at least two fixing holes 112, the at least two fixing holes 112 are uniformly distributed on two opposite sides of the plurality of mounting shafts 12, a connecting hole 1513 is formed on one side of each connecting portion 151 facing the body 11, and the connecting portion sequentially passes through the connecting hole 1513 and the fixing hole 112 to connect the support block 15 and the body 11.
In this embodiment, two fixed orificess 112 that the interval set up are seted up to the diapire of every constant head tank 111, and simultaneously, all set up two connecting holes 1513 that the interval set up on connecting portion 151 of each supporting block 15, when location platform 1512 joint on connecting portion 151 was in constant head tank 111, two connecting holes 1513 just right respectively with two locating holes, at this moment, pass connecting hole 1513 and fixed orifices 112 through the connecting piece in proper order, can fixed connection supporting block 15 and body 11, connection stability is good. The connecting member may be selected from a screw, a bolt, a pin, etc., and is not limited herein.
As shown in fig. 2, in an embodiment, the positioning portion 152 is formed with a plurality of shaft holes 1521, and one end of the mounting shaft 12 away from the body 11 is disposed through the shaft hole 1521. In this embodiment, each of the shaft holes 1521 corresponds to one of the mounting shafts 12, when the bearing roller 13 is sleeved on the mounting shaft 12, one end of the mounting shaft 12 far away from the body 11 penetrates through the shaft hole 1521, and then the positioning portion 152 can limit the bearing roller 13 at this time, so as to prevent the bearing roller 13 from loosening.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A coupling, characterized in that said coupling comprises:
the two half couplers are oppositely arranged, one side of each half coupler, which faces to the other half coupler, is provided with a plurality of bearing rollers, and the bearing rollers are matched to form a sliding groove; and
the cross, the cross is located two between the half-coupling, the relative both sides of cross are all protruding to be equipped with the slip table, two the extending direction of slip table is the contained angle setting, each the slip table holds and is spacing in one in the spout, and with a plurality of bearing roller rolls the butt.
2. The coupling of claim 1, wherein each of said coupling halves comprises:
a body;
the mounting shafts are arranged on one side of the body at intervals and are arranged in two rows; and
the bearing idler wheels are sleeved on the mounting shaft, and the two rows of bearing idler wheels and the body jointly enclose to form the sliding groove.
3. The coupling of claim 2, wherein the coupling half further comprises two support blocks, the two support blocks are detachably connected with the body and form an installation cavity with the body, the installation shaft and the bearing roller are located in the installation cavity, an opening communicated with the sliding groove is formed between the two support blocks, and the sliding table penetrates through the opening and is accommodated in the sliding groove.
4. The coupling according to claim 3, wherein each of the supporting blocks includes a connecting portion and a positioning portion connected to each other, the positioning portion and the connecting portion enclose to form a mounting groove, the connecting portion is detachably connected to the body, the positioning portion is detachably connected to the plurality of mounting shafts, and the walls of the two mounting grooves and the body enclose to form the mounting cavity.
5. The coupler according to claim 4, wherein the opposite sides of each sliding table are provided with clamping grooves, and one side of each positioning part facing to the other positioning part is convexly provided with a clamping table;
when the sliding table is accommodated in the sliding groove, the clamping table is clamped in the clamping groove.
6. The coupling according to claim 4, wherein each of said connecting portions has a plurality of arcuate grooves communicating with said mounting groove, said arcuate grooves being spaced apart, each of said arcuate grooves being adapted to avoid a bearing roller.
7. The coupling of claim 4, wherein said body has two positioning slots, two of said positioning slots are located on opposite sides of a plurality of said mounting shafts, and a positioning table is protruded from a side of each of said connecting portions facing said body, one of said positioning tables being received in one of said positioning slots.
8. The coupling of claim 4, wherein the positioning portion has a plurality of axial holes, and one end of the mounting shaft away from the body is inserted into one of the axial holes;
and/or, the body is provided with at least two fixing holes, the at least two fixing holes are uniformly distributed on two opposite sides of the plurality of installation shafts, one side of each connecting part facing the body is provided with a connecting hole, and a connecting piece sequentially penetrates through the connecting holes and the fixing holes to connect the supporting block and the body.
9. The coupling according to any one of claims 1 to 8, wherein at least one of the slip table and the bearing roller has elasticity, and a width of the slip table is greater than or equal to a width of the slide groove.
10. A coupling according to any one of claims 1 to 8 wherein each coupling half is provided with a mounting plate provided with mounting apertures, the mounting apertures being coaxially disposed.
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CN202121579546.9U CN215673245U (en) | 2021-07-12 | 2021-07-12 | Coupling device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113389819A (en) * | 2021-07-12 | 2021-09-14 | 苏州汇川控制技术有限公司 | Coupling device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113389819A (en) * | 2021-07-12 | 2021-09-14 | 苏州汇川控制技术有限公司 | Coupling device |
CN113389819B (en) * | 2021-07-12 | 2024-06-25 | 苏州汇川控制技术有限公司 | Coupling device |
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