CN213088551U - Coupling joint - Google Patents
Coupling joint Download PDFInfo
- Publication number
- CN213088551U CN213088551U CN202021161571.0U CN202021161571U CN213088551U CN 213088551 U CN213088551 U CN 213088551U CN 202021161571 U CN202021161571 U CN 202021161571U CN 213088551 U CN213088551 U CN 213088551U
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- Prior art keywords
- locking
- hole
- clearance groove
- sides
- connecting hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000008878 coupling Effects 0.000 title claims abstract description 31
- 238000010168 coupling process Methods 0.000 title claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 31
- 230000003014 reinforcing effect Effects 0.000 claims description 28
- 230000002787 reinforcement Effects 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000005728 strengthening Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The utility model relates to a coupling, belong to mechanical connecting piece technical field, its technical scheme main points are including the connecting axle, set up the connecting hole that link up on the connecting axle, long banding interstitial groove has been seted up to the one end of connecting axle, interstitial groove and connecting hole intercommunication, and the both ends of interstitial groove all run through the side of connecting axle, the locking hole that link up has all been seted up to the both sides of connecting hole, the length direction in locking hole is perpendicular with the length direction of connecting hole, and perpendicular with the length direction of interstitial groove, it is used for the locking Assembly with the connecting axle locking of interstitial groove both sides to lock downthehole being provided with, it can compensate to the clearance between the lateral wall of driving shaft or driven shaft and connecting hole to reach, avoid driving shaft or driven shaft to take place radial.
Description
Technical Field
The utility model relates to a mechanical connecting piece's technical field, in particular to coupling.
Background
A coupling, also known as a coupling, is capable of coupling together a driving shaft and a driven shaft in different mechanisms in order to transmit torque.
A through connecting hole is formed in an existing coupling, a driving shaft and a driven shaft are inserted into the coupling from two ends of the connecting hole respectively, and the driving shaft and the driven shaft are locked in the coupling through locking pieces. The aperture of a connecting hole on the existing coupling is fixed, the requirement on the size precision is very high, once a gap exists between a driving shaft or a driven shaft and the side wall of the connecting hole, the driving shaft or the driven shaft can generate radial displacement in the coupling, the transmission efficiency is seriously reduced, and even the driving shaft or the driven shaft is deformed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coupling, it has can compensate the clearance between the lateral wall of driving shaft or driven shaft and connecting hole, avoids driving shaft or driven shaft to take place radial displacement's effect in the connecting hole.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a coupling, includes the connecting axle, sets up the connecting hole that link up on the connecting axle, and long banding clearance groove has been seted up to the one end of connecting axle, clearance groove and connecting hole intercommunication, and the both ends of clearance groove all run through the side of connecting axle, and the locking hole that link up has all been seted up to the both sides of connecting hole, and the length direction in locking hole is perpendicular with the length direction of connecting hole, and perpendicular with the length direction in clearance groove, is provided with the locking Assembly who is used for locking the connecting axle of clearance groove both sides in the locking hole.
Through adopting above-mentioned technical scheme, during the use, insert the shaft coupling with driving shaft and driven shaft respectively from the both ends of connecting hole in, then make the downthehole locking Assembly of locking extrude the direction that the connection axial of clearance groove both sides is close to each other respectively, and make driving shaft and driven shaft all with the inseparable butt of lateral wall of connecting hole, thereby lock the connecting axle of clearance groove both sides, compensate the clearance that exists between the lateral wall of driving shaft or driven shaft and connecting hole, avoid driving shaft or driven shaft to take place the displacement along radial in the connecting hole.
The present invention may be further configured in a preferred embodiment as: the locking assembly comprises a locking bolt and a locking nut, and the locking bolt penetrates through the locking hole and is in threaded connection with the locking nut.
Through adopting above-mentioned technical scheme, during the use, after driving shaft and driven shaft inserted the both ends of shaft coupling respectively, pass the locking hole on the connecting axle of clearance groove both sides with locking bolt, then overlap lock nut on locking bolt, and screw up lock nut, thereby make the connecting axle of clearance groove both sides be close to each other, and make driving shaft and driven shaft all with the inseparable butt of the lateral wall of connecting hole, realize the locking effect to the connecting axle of clearance groove both sides, compensate the clearance that exists between the lateral wall of driving shaft or driven shaft and connecting hole.
The present invention may be further configured in a preferred embodiment as: the connecting shaft is characterized in that a first locking piece and a second locking piece are fixedly arranged on two sides of the connecting shaft, the first locking piece and the second locking piece are respectively positioned on two sides of the clearance groove, and the connecting holes are formed in the first locking piece and the second locking piece.
Through adopting above-mentioned technical scheme, set up first locking plate and second locking plate on the connecting axle, make the connecting hole set up on first locking plate and second locking plate, be convenient for make locking Assembly fix between first locking plate and the second locking plate to the locking process of the connecting axle that makes the clearance groove both sides is convenient more and easy to operate.
The present invention may be further configured in a preferred embodiment as: the fixed cover is equipped with first beaded finish and second beaded finish on the connecting axle, and the both ends of clearance groove run through the both sides of first beaded finish and second beaded finish respectively, and fixed two strengthening ribs that are provided with between first beaded finish and the second beaded finish, two strengthening ribs are located the both sides of clearance groove respectively.
Through adopting above-mentioned technical scheme, because locking Assembly can make the connecting axle of clearance groove both sides be close to each other during the use, set up first beaded finish, second beaded finish and strengthening rib on the connecting axle, can play the reinforcing effect to the connecting axle, improve the intensity of connecting axle, avoid the shaft coupling to take place great deformation along the axis direction, prolonged the life of shaft coupling.
The present invention may be further configured in a preferred embodiment as: two locking holes are formed in the two sides of the connecting hole.
Through adopting above-mentioned technical scheme, both sides locking hole has all been seted up in the both sides of connecting hole, can improve the joint strength of clearance groove both sides connecting axle, has strengthened the locking effect of locking Assembly between to the connecting axle of clearance groove both sides, has improved the compensation effect to the clearance between driving shaft or driven shaft and the connecting hole lateral wall.
The present invention may be further configured in a preferred embodiment as: and a key groove is formed in one end, far away from the gap groove, of the connecting shaft along the axis direction of the connecting shaft, the key groove is communicated with the connecting hole, and a connecting key is arranged in the key groove.
Through adopting above-mentioned technical scheme, offer the keyway in one side that the connecting axle kept away from the clearance groove, after driving shaft or driven shaft placed in the connecting hole, insert the connecting key in the keyway, can lock driving shaft or driven shaft, improved the joint strength between driving shaft or driven shaft and the shaft coupling, avoid driving shaft or driven shaft to take place radial displacement in the connecting hole.
The present invention may be further configured in a preferred embodiment as: fixed cover is equipped with the third beaded finish on the connecting axle, and first beaded finish is located one side that the second go-between is close to the clearance groove, and the third beaded finish is located one side that the first beaded finish was kept away from to the second beaded finish, offers the hole of stepping down that runs through the connecting axle side between second beaded finish and the third beaded finish, and the length direction in the hole of stepping down is the same with the length direction in clearance groove, and the width in the hole of stepping down is greater than the width in clearance groove.
Through adopting above-mentioned technical scheme, set up the hole of stepping down in the side of connecting axle, can play the effect of stepping down to the clamping process of the connecting axle of clearance groove both sides, improved the elasticity of the connecting axle of clearance groove both sides along radial removal to can make the connecting axle of clearance groove both sides close to each other as far as possible, and make driving shaft and driven shaft all with the inseparable butt of the lateral wall of connecting hole, strengthened the compensation effect to the clearance between the lateral wall of driving shaft or driven shaft and connecting hole.
The present invention may be further configured in a preferred embodiment as: and one end of the connecting hole, which is far away from the clearance groove, is provided with a chamfer.
Through adopting above-mentioned technical scheme, set up the chamfer in the one end that the connecting hole kept away from the clearance groove, can be convenient for insert driving shaft or driven shaft in the connecting hole from the one end that the connecting hole kept away from the clearance groove to make the use of shaft coupling more convenient.
To sum up, the utility model discloses a beneficial technological effect does:
1. the coupling is provided with the clearance groove, the locking assembly is arranged between the connecting shafts at two sides of the clearance groove, the locking assembly enables the connecting shafts at two sides of the clearance groove to be close to each other, and the driving shaft and the driven shaft are tightly abutted against the side wall of the connecting hole, so that the clearance between the driving shaft or the driven shaft and the side wall of the connecting hole is compensated, and the driving shaft or the driven shaft is prevented from generating radial displacement in the connecting hole;
2. the key groove is formed in one side, far away from the clearance groove, of the connecting shaft, and the connecting key is arranged in the key groove, so that the connecting key locks the driving shaft or the driven shaft in the connecting hole, the connecting strength between the driving shaft or the driven shaft and the coupling is improved, and the radial displacement of the driving shaft or the driven shaft in the connecting hole is further avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an exploded view for illustrating the locking hole;
fig. 3 is a schematic view for showing the structure of the clearance groove.
In the figure, 1, connecting shaft; 11. connecting holes; 111. chamfering; 12. a clearance groove; 13. a hole of abdication; 14. a keyway; 2. a first reinforcement ring; 21. reinforcing ribs; 3. a second reinforcement ring; 4. a third reinforcement ring; 5. a first locking tab; 51. a locking hole; 6. a second locking tab; 7. a locking assembly; 71. locking the bolt; 72. locking the nut; 8. a connecting key.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a coupling comprises a connecting shaft 1, a through connecting hole 11 is formed in the axis of the connecting shaft 1, a long-strip-shaped clearance groove 12 is formed in one end of the connecting shaft 1, a first reinforcing ring 2, a second reinforcing ring 3 and a third reinforcing ring 4 are fixedly sleeved on the connecting shaft 1, and the first reinforcing ring 2, the second reinforcing ring 3 and the third reinforcing ring 4 are all arranged coaxially with the connecting shaft 1.
Referring to fig. 2, a chamfer 111 is formed at one end of the connecting hole 11, which is far away from the gap groove 12, a key groove 14 is formed in a side wall of the connecting hole 11, the key groove 14 is located at one end of the connecting shaft 1, which is far away from the gap groove 12, and penetrates through an end surface of the connecting shaft 1, and a connecting key 8 is embedded in the key groove 14. During the use, insert driving shaft or driven shaft in connecting hole 11 to make the side of connecting key 8 and driving shaft or driven shaft closely butt, thereby with driving shaft or driven shaft chucking in connecting hole 11, avoid driving shaft or driven shaft to take place radial displacement in connecting hole 11.
Referring to fig. 3, the diameters of the first reinforcement ring 2, the second reinforcement ring 3 and the third reinforcement ring 4 are the same, the first reinforcement ring 2 is located at one end of the connecting shaft 1, where the clearance groove 12 is formed, the second reinforcement ring 3 is located between the first reinforcement ring 2 and the third reinforcement ring 4, and a distance is left between the third reinforcement ring 4 and one end of the connecting shaft 1, which is far away from the clearance groove 12. The length direction of the clearance groove 12 coincides with the diameter of the connecting hole 11, both ends of the length direction of the clearance groove 12 penetrate through the side surface of the first reinforcing ring 2, and the depth of the clearance groove 12 penetrates through one side of the second reinforcing ring 3 close to the third reinforcing ring 4. Offer the hole 13 of stepping down between second beaded finish 3 and the third beaded finish 4, the length direction of the hole 13 of stepping down is the same with the length direction of clearance groove 12, and the both ends of the hole 13 of stepping down all run through the side of connecting axle 1, the width of the hole 13 of stepping down is greater than five times of the width of clearance groove 12 at least, the depth of the hole 13 of stepping down equals with the distance between second beaded finish 3 and the third beaded finish 4.
Referring to fig. 2, both sides of the connecting shaft 1 are fixedly provided with a first locking piece 5 and a second locking piece 6, the first locking piece 5 and the second locking piece 6 are both arranged in parallel with the clearance groove 12, and the first locking piece 5 and the second locking piece 6 are respectively located at both sides of the clearance groove 12, the length direction of the first locking piece 5 and the second locking piece 6 is the same as the axial direction of the connecting shaft 1, and both ends of the first locking piece 5 and the second locking piece 6 are respectively fixedly connected with the first reinforcing ring 2 and the second reinforcing ring 3, the distance between the first locking piece 5 and the second locking piece 6 is equal to the width of the clearance groove 12, and one side of the first locking piece 5 and the second locking piece 6, which is far away from the connecting shaft 1, is located on the same circumferential surface with the outer side surface of the first reinforcing ring 2. Two reinforcing ribs 21 are fixedly arranged between the first reinforcing ring 2 and the second reinforcing ring 3, the two reinforcing ribs 21 are symmetrically arranged on two sides of the clearance groove 12, the reinforcing ribs 21 are perpendicular to the first locking piece 5, and the length direction of the reinforcing ribs 21 is the same as that of the first locking piece 5.
Referring to fig. 2, two locking holes 51 are formed in the first locking piece 5 along the length direction of the first locking piece, the length direction of the locking holes 51 is perpendicular to the first locking piece 5, two ends of the locking holes 51 penetrate through the first locking piece 5 and the second locking piece 6 respectively, a locking assembly 7 is arranged at the locking holes 51, the locking assembly 7 comprises a locking bolt 71 and a locking nut 72, and the locking bolt 71 penetrates through the locking holes 51 and is in threaded connection with the locking nut 72.
During the use, insert driving shaft and driven shaft in connecting axle 1 from the both ends of connecting hole 11 respectively, then pass locking bolt 71 through locking hole 51 to screw up lock nut 72 on locking bolt 71, make the connecting axle 1 of clearance groove 12 both sides be close to each other, and make the lateral wall of connecting hole 11 and driving shaft or driven shaft closely butt, thereby compensate the clearance that exists between driving shaft or driven shaft and the lateral wall of connecting hole 11, avoid driving shaft or driven shaft to take place radial displacement in connecting hole 11.
The implementation principle of the embodiment is as follows: when the device is used, the driving shaft and the driven shaft are respectively inserted into the connecting shaft 1 from two ends of the connecting hole 11, the connecting key 8 is tightly abutted to the side face of the driving shaft or the driven shaft, then the locking bolt 71 penetrates through the locking hole 51, the locking nut 72 is screwed on the locking bolt 71, the connecting shafts 1 on two sides of the clearance groove 12 are mutually close, the side wall of the connecting hole 11 is tightly abutted to the driving shaft or the driven shaft, the gap between the driving shaft or the driven shaft and the side wall of the connecting hole 11 is compensated, and the driving shaft or the driven shaft is prevented from generating radial displacement in the connecting hole 11.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A coupling, characterized in that: including connecting axle (1), connecting hole (11) that link up have been seted up on connecting axle (1), long banding clearance groove (12) have been seted up to the one end of connecting axle (1), clearance groove (12) and connecting hole (11) intercommunication, and the both ends of clearance groove (12) all run through the side of connecting axle (1), locking hole (51) that link up have all been seted up to the both sides of connecting hole (11), the length direction of locking hole (51) is perpendicular with the length direction of connecting hole (11), and perpendicular with the length direction of clearance groove (12), be provided with in locking hole (51) and be used for locking assembly (7) with connecting axle (1) of clearance groove (12) both sides.
2. A coupling according to claim 1, wherein: the locking assembly (7) comprises a locking bolt (71) and a locking nut (72), and the locking bolt (71) penetrates through the locking hole (51) and is in threaded connection with the locking nut (72).
3. A coupling according to claim 1, wherein: the connecting shaft is characterized in that a first locking sheet (5) and a second locking sheet (6) are fixedly arranged on two sides of the connecting shaft (1), the first locking sheet (5) and the second locking sheet (6) are respectively located on two sides of the clearance groove (12), and the connecting hole (11) is formed in the first locking sheet (5) and the second locking sheet (6).
4. A coupling according to claim 1, wherein: the connecting shaft (1) is fixedly sleeved with a first reinforcing ring (2) and a second reinforcing ring (3), two ends of a clearance groove (12) penetrate through two sides of the first reinforcing ring (2) and the second reinforcing ring (3) respectively, two reinforcing ribs (21) are fixedly arranged between the first reinforcing ring (2) and the second reinforcing ring (3), and the two reinforcing ribs (21) are located on two sides of the clearance groove (12) respectively.
5. A coupling according to claim 1, wherein: two locking holes (51) are formed in the two sides of the connecting hole (11).
6. A coupling according to claim 1, wherein: one end, far away from the gap groove (12), of the connecting shaft (1) is provided with a key groove (14) along the axis direction of the connecting shaft (1), the key groove (14) is communicated with the connecting hole (11), and a connecting key (8) is arranged in the key groove (14).
7. A coupling according to claim 4, wherein: fixed cover is equipped with third beaded finish (4) on connecting axle (1), first beaded finish (2) are located the second go-between and are close to one side of clearance groove (12), third beaded finish (4) are located one side that first beaded finish (2) were kept away from in second beaded finish (3), set up between second beaded finish (3) and third beaded finish (4) and run through hole (13) of stepping down of connecting axle (1) side, the length direction of hole (13) of stepping down is the same with the length direction of clearance groove (12), the width of hole (13) of stepping down is greater than the width of clearance groove (12).
8. A coupling according to claim 1, wherein: and one end of the connecting hole (11) far away from the clearance groove (12) is provided with a chamfer (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021161571.0U CN213088551U (en) | 2020-06-19 | 2020-06-19 | Coupling joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021161571.0U CN213088551U (en) | 2020-06-19 | 2020-06-19 | Coupling joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213088551U true CN213088551U (en) | 2021-04-30 |
Family
ID=75621180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021161571.0U Expired - Fee Related CN213088551U (en) | 2020-06-19 | 2020-06-19 | Coupling joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213088551U (en) |
-
2020
- 2020-06-19 CN CN202021161571.0U patent/CN213088551U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |