CN215720154U - Shock-proof type bent axle - Google Patents
Shock-proof type bent axle Download PDFInfo
- Publication number
- CN215720154U CN215720154U CN202122166530.1U CN202122166530U CN215720154U CN 215720154 U CN215720154 U CN 215720154U CN 202122166530 U CN202122166530 U CN 202122166530U CN 215720154 U CN215720154 U CN 215720154U
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- wall
- crankshaft
- connecting rod
- sleeve
- rod shaft
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Abstract
The utility model discloses a damping type crankshaft which comprises a first crankshaft and a second crankshaft, wherein the first crankshaft and the second crankshaft are connected through a damping lantern ring, the damping lantern ring comprises a connecting rod shaft and a plurality of damping parts, an outer sleeve ring is sleeved outside a connecting rod shaft body, a mounting bearing is arranged between the inner wall of the outer sleeve ring and the outer wall of the connecting rod shaft, the outer wall of the mounting bearing is connected with the inner wall of the outer sleeve ring, a floating cavity is reserved between the inner wall of the outer sleeve ring and the outer wall of the connecting rod shaft, and each damping part is arranged in the floating cavity and surrounds the outer wall of the connecting rod shaft; the outer sleeve at the connecting rod shaft between the two crankshafts is arranged on the damping piece of the crankshaft and covers the damping piece, and the damping piece is connected with the power source plunger at the same time, so that the normal rotation of the crankshaft can not be influenced when the damping piece protects the connecting rod shaft, and the reliability is high.
Description
Technical Field
The utility model relates to the technical field of crankshafts, in particular to a damping type crankshaft.
Background
The crankshaft is the main rotating part of the engine, and after the connecting rod is installed, the crankshaft can bear the up-and-down (reciprocating) motion of the connecting rod to be changed into a circulating (rotating) motion. Publication (bulletin) No.: CN208778469U discloses a shock attenuation bent axle includes the spindle nose, the end connection of spindle nose has one side of bent axle head board, the bent axle section is connected to the opposite side of bent axle head board, the end connection medium plate of first bent axle section, the below of first bent axle section is equipped with first joint, the opposite side of medium plate is equipped with the second bent axle section, the top of second bent axle section is equipped with the second and connects, be equipped with damping device between first joint and the second joint, the end that the end of second bent axle section was equipped with the tailboard and states the tailboard is equipped with the tail-axle, through set up damping device in the atress position. The shock attenuation bent axle can reduce vibrations when receiving huge external force, reduces the injury that the atress position received. However, in use, since the damping device on the crankshaft is exposed to the outside of the crankshaft, the rotation of the crankshaft is adversely affected during the operation of the crankshaft, and the stability and safety are also unreliable. In this regard, improvements are needed.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a damping crankshaft, which solves the above problems of the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a damping type crankshaft comprises a first crankshaft and a second crankshaft, wherein the first crankshaft and the second crankshaft are connected through a damping lantern ring with a damping structure, the damping lantern ring comprises a connecting rod shaft and a plurality of damping parts, and two ends of the connecting rod shaft are connected with the side walls of the first crankshaft and the second crankshaft through journal sleeves;
an outer collar is sleeved outside the connecting rod shaft body, a mounting bearing is arranged between the inner wall of the outer collar and the outer wall of the connecting rod shaft, the outer wall of the mounting bearing is connected with the inner wall of the outer collar, and a floating cavity is reserved between the inner wall of the outer collar and the outer wall of the connecting rod shaft;
each buffer piece is arranged in the floating cavity and surrounds the outer wall of the connecting rod shaft, and one end, away from the connecting rod shaft, of each buffer piece is connected with the inner wall of the mounting bearing and used for buffering force applied to the mounting bearing.
Preferably, the buffer piece comprises a supporting part and a movable part, one end of the supporting part is fixedly connected with the outer wall of the connecting rod shaft, the other end of the supporting part is matched with the movable part, and one end of the movable part, far away from the supporting part, is fixedly connected with the inner wall of the mounting bearing.
Preferably, the supporting part comprises a sleeve, one end of the sleeve is provided with a mounting seat, the mounting seat is fixedly connected with the outer wall of the connecting rod shaft, the other end of the sleeve is provided with a limiting opening, and the limiting opening is matched with the movable part.
Preferably, the movable part comprises a connecting column, one end of the connecting column is fixedly connected with the inner wall of the mounting bearing, the other end of the connecting column penetrates through the limiting opening and is matched with the limiting opening, a movable plug is arranged at one end of the connecting column in the sleeve and is matched with the inner wall of the sleeve, a spring part is arranged at the upper end of the movable plug, and the spring part is sleeved outside the connecting column and is fixedly connected with the top end of the inner wall of the sleeve.
Preferably, one end of the movable plug, which is far away from the connecting column, is provided with a rubber pad, and the rubber pad is matched with the inner wall of the sleeve and is connected with the end wall of the mounting seat.
Preferably, the inner wall of the sleeve is provided with a friction plate, and the friction plate is connected with the outer wall of the movable plug.
Compared with the prior art, the utility model has the beneficial effects that: the outer sleeve at the connecting rod shaft between the two crankshafts is arranged on the damping piece of the crankshaft and covers the damping piece, and the damping piece is connected with the power source plunger at the same time, so that the normal rotation of the crankshaft can not be influenced when the damping piece protects the connecting rod shaft, and the reliability is high.
Drawings
Fig. 1 is a schematic structural view of a shock-absorbing type crankshaft.
Fig. 2 is a schematic view of a damper collar of a damper crankshaft.
Fig. 3 is a schematic structural view of a connecting rod shaft in a shock-absorbing crankshaft.
Fig. 4 is a schematic structural view of a movable plug in a shock-absorbing crankshaft.
In the figure: 1. a first crank shaft; 2. a second crank shaft; 3. a journal sleeve; 4. a shock-absorbing collar; 5. a link shaft; 6. an outer collar; 7. mounting a bearing; 8. a buffer member; 9. a floating cavity; 10. a sleeve; 11. a limiting port; 12. a mounting seat; 13. A movable plug; 14. a rubber pad; 15. a friction plate; 16. a spring member; 17. connecting columns.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, a damping crankshaft includes a first crankshaft 1 and a second crankshaft 2, the first crankshaft 1 and the second crankshaft 2 are connected by a damping collar 4 having a damping structure, the damping collar 4 includes a connecting rod shaft 5 and a plurality of dampers 8, two ends of the connecting rod shaft 5 are connected to sidewalls of the first crankshaft 1 and the second crankshaft 2 by journal sleeves 3;
an outer collar 6 is sleeved outside the shaft body of the connecting rod shaft 5, a mounting bearing 7 is arranged between the inner wall of the outer collar 6 and the outer wall of the connecting rod shaft 5, the outer wall of the mounting bearing 7 is connected with the inner wall of the outer collar 6, and a floating cavity 9 is reserved between the inner wall of the outer collar 6 and the outer wall of the connecting rod shaft 5. Each buffer member 8 is arranged in the floating cavity 9 and surrounds the outer wall of the connecting rod shaft 5, and one end, far away from the connecting rod shaft 5, of each buffer member 8 is connected with the inner wall of the mounting bearing 7 and used for buffering the force acting on the mounting bearing 7; piston and the damping sleeve ring 4 that is the power supply are connected, drive the bent axle and rotate, outer lantern ring 6 rotates with the connecting rod axle 5 of fixing between first crank axle 1 and second crank axle 2 through installation bearing 7 and is connected, installation bearing 7 is when receiving the impact of external force, can transmit power to on the bolster 8, bolster 8 sets up the junction at installation bearing 7 and connecting rod axle 5, play the floating support effect to installation bearing 7, can cushion the power of transmission on the bolster 8, improve the working life and the stability of the damping sleeve ring 4.
The buffer member 8 comprises a supporting part and a movable part, one end of the supporting part is fixedly connected with the outer wall of the connecting rod shaft 5, the other end of the supporting part is matched with the movable part, and one end of the movable part, far away from the supporting part, is fixedly connected with the inner wall of the mounting bearing 7. The supporting part includes sleeve 10, and sleeve 10 one end is equipped with mount pad 12, mount pad 12 and 5 outer wall fixed connection of connecting rod axle, and spacing mouthful 11 have been seted up to the sleeve 10 other end, and spacing mouthful 11 is mutually supported with the movable part.
The movable part comprises a connecting column 17, one end of the connecting column 17 is fixedly connected with the inner wall of the mounting bearing 7, the other end of the connecting column 17 penetrates through the limiting port 11 and is matched with the limiting port 11, a movable plug 13 is arranged at one end of the connecting column 17, which is positioned in the sleeve 10, the movable plug 13 is matched with the inner wall of the sleeve 10, a spring part 16 is arranged at the upper end of the movable plug 13, and the spring part 16 is sleeved outside the connecting column 17 and is fixedly connected with the top end of the inner wall of the sleeve 10; activity stopper 13 on the movable part has the effect of two-way support, when receiving the effort that comes from the top, activity stopper 13 can be under spliced pole 17's promotion, 14 contractions of extrusion rubber pad, cushion the effort, when receiving the effort of below, activity stopper 13 can be under spliced pole 17's pulling, upwards slide and extrusion spring part 16 in sleeve 10, through the shrink of spring part 16, cushion the effort, thereby connecting rod shaft 5 and installation bearing 7 under the operating condition carry out effective protection.
The end of the movable plug 13 far away from the connecting column 17 is provided with a rubber pad 14, and the rubber pad 14 is matched with the inner wall of the sleeve 10 and is connected with the end wall of the mounting seat 12. The inner wall of the sleeve 10 is provided with a friction plate 15, and the friction plate 15 is connected with the outer wall of the movable plug 13. The friction plate 15 is arranged at the joint of the inner wall of the sleeve 10 and the outer wall of the movable plug 13, and plays a role in protecting the sleeve 10, so that the friction loss borne by the sleeve 10 is reduced, and the service life of the buffer 8 is prolonged.
The working principle of the utility model is as follows: piston and the shock attenuation lantern ring 4 as the power supply are connected, drive the bent axle and rotate, installation bearing 7 is when receiving the impact of external force, can transmit power to on bolster 8, when receiving the effort that comes from the top, activity stopper 13 can be under spliced pole 17's promotion, 14 contractions of extrusion rubber pad, cushion the effort, when receiving the effort of below, activity stopper 13 can be under spliced pole 17's pulling, upwards slide and extrude spring part 16 in sleeve 10, the shrink through spring part 16, cushion the effort, thereby connecting rod axle 5 and installation bearing 7 under the operating condition carry out effective protection, because bolster 8 installs in connecting rod axle 5, can not bring the interference to the normal work of bent axle, high reliability.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (6)
1. A damping type crankshaft comprises a first crankshaft (1) and a second crankshaft (2), and is characterized in that the first crankshaft (1) and the second crankshaft (2) are connected through a damping lantern ring (4) with a damping structure, the damping lantern ring (4) comprises a connecting rod shaft (5) and a plurality of damping parts (8), and two ends of the connecting rod shaft (5) are connected with the side walls of the first crankshaft (1) and the second crankshaft (2) through journal sleeves (3);
an outer sleeve ring (6) is sleeved outside the shaft body of the connecting rod shaft (5), a mounting bearing (7) is arranged between the inner wall of the outer sleeve ring (6) and the outer wall of the connecting rod shaft (5), the outer wall of the mounting bearing (7) is connected with the inner wall of the outer sleeve ring (6), and a floating cavity (9) is reserved between the inner wall of the outer sleeve ring (6) and the outer wall of the connecting rod shaft (5);
each bolster (8) are arranged in floating chamber (9) and are encircleed connecting rod axle (5) outer wall setting, bolster (8) are kept away from connecting rod axle (5) one end and are met with installation bearing (7) inner wall for cushion the power of using on installation bearing (7).
2. A shock-absorbing crankshaft according to claim 1, characterised in that the said buffer (8) comprises a support part and a movable part, one end of the said support part is fixedly connected with the outer wall of the connecting rod shaft (5), the other end of the said support part is matched with the movable part, and the end of the said movable part far from the support part is fixedly connected with the inner wall of the mounting bearing (7).
3. The shock-absorbing crankshaft according to claim 2, wherein the supporting portion comprises a sleeve (10), one end of the sleeve (10) is provided with a mounting seat (12), the mounting seat (12) is fixedly connected with the outer wall of the connecting rod shaft (5), the other end of the sleeve (10) is provided with a limiting opening (11), and the limiting opening (11) is matched with the movable portion.
4. The shock-absorbing crankshaft according to claim 3, wherein the movable portion comprises a connecting column (17), one end of the connecting column (17) is fixedly connected with the inner wall of the mounting bearing (7), the other end of the connecting column (17) penetrates through the limiting opening (11) and is matched with the limiting opening (11), a movable plug (13) is arranged at one end of the connecting column (17) located in the sleeve (10), the movable plug (13) is matched with the inner wall of the sleeve (10), a spring part (16) is arranged at the upper end of the movable plug (13), and the spring part (16) is sleeved outside the connecting column (17) and is fixedly connected with the top end of the inner wall of the sleeve (10).
5. A shock-absorbing crankshaft according to claim 4, characterised in that the end of the movable plug (13) remote from the connecting post (17) is provided with a rubber pad (14), the rubber pad (14) being fitted to the inner wall of the sleeve (10) and engaging with the end wall of the mounting seat (12).
6. A shock-absorbing crankshaft according to claim 4, characterised in that the inner wall of the sleeve (10) is provided with friction plates (15), and the friction plates (15) are connected with the outer wall of the movable plug (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122166530.1U CN215720154U (en) | 2021-09-08 | 2021-09-08 | Shock-proof type bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122166530.1U CN215720154U (en) | 2021-09-08 | 2021-09-08 | Shock-proof type bent axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215720154U true CN215720154U (en) | 2022-02-01 |
Family
ID=80016962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122166530.1U Active CN215720154U (en) | 2021-09-08 | 2021-09-08 | Shock-proof type bent axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215720154U (en) |
-
2021
- 2021-09-08 CN CN202122166530.1U patent/CN215720154U/en active Active
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