Transmission shaft with connecting device
By designing buffer and fastening components on the drive shaft, the problems of easy damage and vibration of the drive shaft after connection are solved, achieving a stable connection and noise reduction effect, and improving the stability and service life of the transmission system.
Patent Information
- Application Number
- CN202520388192.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-06
AI Technical Summary
Existing drive shafts are susceptible to impact damage after connection, generating minor vibrations and noise, and lack effective impact absorption devices.
A drive shaft with a buffer assembly was designed, including a fastening assembly, a snap-fit assembly, and a buffer assembly. It utilizes the extension and deformation characteristics of springs to absorb axial impact forces and minor vibrations, and achieves a stable connection through fastening posts and fixed ends.
It effectively buffers equipment startup and shutdown and external impacts, reduces vibration transmission, extends service life, reduces noise, and improves the stability and reliability of the transmission system.
Smart Images
Figure CN223953064U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical drive technical field, concretely is a transmission shaft with connecting device. BACKGROUND
[0002] The patent file with the existing announcement number CN218625129U discloses a sleeve type axial connecting structure of transmission shaft, including driving shaft 1, driven shaft 6 and coupling sleeve 5, driving shaft 1, driven shaft 6 and coupling sleeve 5 are equipped with bushing 7, the inner ring of bushing 7 is connected through the spline with driving shaft 1 or driven shaft 6, and the outer ring of bushing 7 is equipped with steel ball 3 between coupling sleeve 5, and steel ball 3 is placed in the ball socket formed by the upper hemisphere groove 9 of bushing 7 and the upper semicircular long groove 8 of coupling sleeve 5, and driving shaft 1 is equipped with the clamping spring 2 of axial limit on both sides of bushing 7, and its advantages are that, first, the gap is equipped between steel ball and ball socket, can eliminate the coaxial degree error of two transmission shafts enough, avoids the damage of two shafts due to heating, second, simple structure, small space occupied, applicable to the situation that one end transmission shaft is shorter and cannot be machined clamping spring groove.
[0003] But the above scheme and prior art, transmission shaft is easy to damage equipment when running after connection, some transmission shafts will produce slight vibration after connection, the connecting structure lacks the device that can absorb the axial impact force generated when the equipment starts and stops and changes speed, and some transmission systems will produce noise due to vibration and impact, therefore can be optimized.
[0004] Therefore, the utility model provides a transmission shaft with connecting device to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a transmission shaft with connecting device to solve the problems raised in the background art.
[0006] To achieve the above object, the utility model provides the following technical scheme: a transmission shaft with connecting device, including transmission shaft, fixed disc, fastening assembly, clamping assembly, buffer assembly,
[0007] The fixed disc is fixedly connected outside the fastening assembly.
[0008] The clamping assembly is fixedly arranged in the fastening assembly, and the buffer assembly is clamped on the clamping assembly.
[0009] Preferably, the fastening columns in the fastening assembly are symmetrically arranged at the two side ends of the transmission shaft, the fixed end heads are fixedly arranged on the upper and lower sides of the fastening columns, and the fixed end heads are fixedly connected through screws.
[0010] Preferably, the clamping groove in the clamping assembly is fixedly arranged on the upper and lower ends of the inside of the fastening column, and the clamping head is matched and clamped in the clamping groove.
[0011] Preferably, the clamping head in the clamping assembly is fixedly arranged on the upper and lower ends of the fastening cylinder, and the outside of the fastening cylinder is tightly matched with the inside of the fastening column.
[0012] Preferably, the buffer sleeve in the buffer assembly is arranged in the inside of the fastening cylinder, a connecting disc is threadedly connected to the fastening cylinder, the connecting disc is fixedly provided with an extension sleeve, and the extension sleeve is slidably and clamped with the extension rod.
[0013] Preferably, the extension rod in the buffer assembly is fixedly provided with a second connecting disc, the second connecting disc is fixedly arranged on the buffer sleeve in a threaded manner, a spring is sleeved on the outside of the extension rod, one end of the spring is fixedly arranged on the second connecting disc, and the other end of the spring is fixedly arranged on the connecting disc.
[0014] Compared with the prior art, the buffer assembly is arranged, the spring is deformed in an extension mode, the axial impact force generated by the start and stop of the equipment and external impact are effectively buffered, the equipment is prevented from being damaged, and the service life is prolonged; the small vibration after the transmission shaft is connected can be absorbed, the problems of the connecting components caused by the vibration transmission are reduced, the stability and reliability of the transmission system are improved; the noise caused by the vibration and impact is reduced, the acoustic environment is improved, the influence on the personnel and the surroundings is reduced, meanwhile, the fastening assembly is stably fixed by means of the fastening column, the fixed end and the screw, the clamping groove in the clamping assembly is matched with the clamping head to tightly connect the fastening cylinder and the fastening column, the overall structure is stable and reliable, the high-torque transmission stability is ensured, and the connection is prevented from loosening. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the longitudinal section of the structure of the utility model;
[0017] Figure 3 It is a schematic diagram of the disassembly of the fastening assembly and the clamping assembly of the utility model;
[0018] Figure 4 It is a schematic diagram of the section of the buffer assembly of the utility model.
[0019] In the drawing: transmission shaft 1, fixed disc 2, fastening assembly 3, clamping assembly 4, buffer assembly 5, fastening column 301, fixed end 302, clamping groove 401, clamping head 402, fastening cylinder 403, buffer sleeve 501, connecting disc 502, extension sleeve 503, extension rod 504, second connecting disc 505, spring 506. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme of the utility model carry out clearly, complete description, and the advantage is more clear and distinct, the following combining with the figure to the utility model embodiment carries out further detailed explanation, should understand, the specific embodiment described here is the utility model a part of embodiment, rather than all the embodiments, only use to explain the utility model embodiment, and does not use to limit the utility model embodiment, the all other embodiments of the ordinary skill in the art obtained without making the creative labor premise, belong to the range of the utility model protection, the following will be to the technical scheme in the utility model embodiment clearly, complete description.
[0021] Embodiment one: please refer to Figures 1 to 2 , including transmission shaft 1, fixed disc 2, fastening assembly 3, clamping assembly 4, buffer assembly 5;Transmission shaft 1 both sides fixedly arranged with fixed disc 2, fixed disc 2 is fixedly connected on the outside of fastening assembly 3;Fastening assembly 3 is fixedly provided with clamping assembly 4 in, and clamping assembly 4 is clamped with buffer assembly 5.
[0022] The fastening column 301 in fastening assembly 3 is symmetrically arranged at the both sides of transmission shaft 1, and the fixed end head 302 is fixedly arranged on the upper and lower sides of fastening column 301, and the fixed end head 302 is fixedly connected by screw.
[0023] When using, first, the fastening column 301 is symmetrically placed at the both sides of transmission shaft 1, so that the fixed end head 302 is located on the upper and lower sides, then the fixed end head 302 is fixedly connected by screw, so that the fastening assembly 3 is initially installed on the transmission shaft 1, at this time, the fixed disc 2 is closely connected with the outside of fastening assembly 3, which provides a stable basis for the installation of clamping assembly 4 and buffer assembly 5.
[0024] Embodiment two: on the basis of embodiment one, please refer to Figures 2 to 3 The clamping groove 401 in clamping assembly 4 is fixedly arranged on the upper and lower end portions of the inside of fastening column 301, and the clamping protrusion 402 is adaptively clamped in the clamping groove 401.
[0025] The clamping protrusion 402 in clamping assembly 4 is fixedly arranged on the upper and lower end portions of fastening cylinder 403, and the outside of fastening cylinder 403 is closely combined with the inside of fastening column 301.
[0026] When using, the clamping protrusion 402 on the upper and lower end portions of fastening cylinder 403 is aligned with the clamping groove 401 on the upper and lower end portions of the inside of fastening column 301, then the clamping protrusion 402 is slowly inserted into the clamping groove 401, until the outside of fastening cylinder 403 is closely combined with the inside of fastening column 301, by this clamping mode, the fastening cylinder 403 is stably connected in the fastening column 301, further enhances the stability of the whole connecting structure.
[0027] Embodiment three: on the basis of embodiment two, please refer to Figures 3 to 4 The buffer sleeve 501 in the buffer assembly 5 is arranged inside the fastening cylinder 403, the connecting disc 502 is threadedly connected on the fastening cylinder 403, the telescopic sleeve 503 is fixedly arranged on the connecting disc 502, and the telescopic rod 504 is slidably connected in the telescopic sleeve 503.
[0028] The second connecting disc 505 is fixedly arranged on the telescopic rod 504, the second connecting disc 505 is threadedly fixed on the buffer sleeve 501, the spring 506 is sleeved outside the telescopic rod 504, one end of the spring 506 is fixedly arranged on the second connecting disc 505, and the other end of the spring 506 is fixed on the connecting disc 502.
[0029] In use, first, the buffer sleeve 501 is arranged inside the fastening cylinder 403, then the connecting disc 502 with the telescopic sleeve 503 is threadedly connected on the fastening cylinder 403, the telescopic sleeve 503 is slidably connected with the telescopic rod 504, then the second connecting disc 505 is threadedly fixed on the buffer sleeve 501, in the process, one end of the spring 506 is fixed on the second connecting disc 505, and the other end of the spring 506 is fixed on the connecting disc 502, when the equipment starts or stops, the axial impact force is generated or the external impact is received, the impact force is transmitted to the connecting disc 502, the connecting disc 502 extrudes the spring 506, the spring 506 is contracted under force, and the telescopic rod 504 slides in the telescopic sleeve 503, through the telescopic deformation characteristics of the spring 506, the axial impact force and the external impact are effectively buffered, the slight vibration after the connection of the transmission shaft 1 is absorbed, the connection component problem caused by vibration transmission is reduced, and the noise caused by vibration and impact is reduced.
[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the range of the utility model is defined by the appended claims and its equivalents.
Claims
1. A propeller shaft with a coupling device, characterized in that: Including transmission shaft (1), fixed disc (2), fastening assembly (3), clamping assembly (4), buffer assembly (5); Both sides of the transmission shaft (1) are fixedly provided with the fixed disc (2), and the fixed disc (2) is fixedly connected to the outer side of the fastening assembly (3); The clamping assembly (4) is fixedly arranged in the fastening assembly (3), and the buffer assembly (5) is clamped on the clamping assembly (4).
2. A propeller shaft with a coupling device according to claim 1, characterized in that: The fastening column (301) in the fastening assembly (3) is symmetrically arranged on both sides of the transmission shaft (1), and the fixed end head (302) is fixedly arranged on the upper and lower sides of the fastening column (301), and the fixed end head (302) is fixedly connected by screws.
3. The propeller shaft with a coupling device according to claim 1, characterized in that: The clamping groove (401) in the clamping assembly (4) is fixedly arranged on the inner side of the fastening column (301), and the clamping convex head (402) is adaptively clamped in the clamping groove (401).
4. A propeller shaft with a coupling device according to claim 3, characterized in that: The clamping convex head (402) in the clamping assembly (4) is fixedly arranged on the upper and lower ends of the fastening cylinder (403), and the fastening cylinder (403) is tightly fitted with the inside of the fastening column (301).
5. The propeller shaft with a coupling device of claim 1, wherein: The buffer sleeve (501) in the buffer assembly (5) is arranged in the fastening cylinder (403), the connecting disc (502) is threadedly connected to the fastening cylinder (403), the telescopic sleeve (503) is fixedly arranged on the connecting disc (502), and the telescopic rod (504) is slidably clamped in the telescopic sleeve (503).
6. A propeller shaft with a coupling device according to claim 5, characterized in that: The second connecting disc (505) is fixedly arranged on the telescopic rod (504), the second connecting disc (505) is threadedly connected to the buffer sleeve (501), the spring (506) is sleeved on the outer side of the telescopic rod (504), one end of the spring (506) is fixedly arranged on the second connecting disc (505), and the other end of the spring (506) is fixedly arranged on the connecting disc (502).