CN215293302U

CN215293302U - Transmission shaft connecting device

Info

Publication number: CN215293302U
Application number: CN202120796262.9U
Authority: CN
Inventors: 张君毅; 黄晨
Original assignee: Chongqing Shengsheng Science And Technology Co ltd
Current assignee: Chongqing Shengsheng Science And Technology Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-12-24
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a transmission shaft connecting device, including shock attenuation flange, extension axle, transmission cover and transmission shaft, the shock attenuation flange lateral wall is located to the extension axle, the transmission cover is located in the extension axle, in the transmission cover is located to the transmission shaft, shock attenuation flange includes flange chassis, damper and connects the platform, damper locates flange chassis lateral wall, damper locates one side that damper kept away from the flange chassis, connect the platform rigid coupling and locate one side that damper kept away from damper of damper, the rotation joint of extension axle is located and is connected a lateral wall, damper includes shock attenuation loop bar, damping spring, shock attenuation guide way, shock attenuation slide bar and shock attenuation guide block. The utility model belongs to the technical field of mechanical equipment connects, specifically provide a transmission shaft connecting device that practicality is high, reduce frictional force, easy dismounting, connection are firm reliable, transmission shaft bearing capacity is strong.

Description

Transmission shaft connecting device

Technical Field

The utility model belongs to the technical field of mechanical equipment connects, specifically indicate a transmission shaft connecting device.

Background

The bearing is a part for supporting the shaft, is used for guiding the rotary motion of the shaft, bears the load transmitted to the frame by the shaft, mainly depends on the rolling of the rolling body to realize the supporting element for the main machine rotation, and is called as the mechanical joint; however, in the prior art, the connecting device has poor stability, inconvenient disassembly and higher part replacement cost, and the service life of the device is influenced.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned current difficult problem, the utility model provides a transmission shaft connecting device that practicality is high, reduce frictional force, easy dismounting, connection are firm reliable, transmission shaft load capacity is strong.

The utility model adopts the following technical scheme: the utility model discloses a transmission shaft connecting device, including shock attenuation flange, extension axle, transmission cover and transmission shaft, the extension axle is located the shock attenuation flange lateral wall, the transmission cover is located in the extension axle, the transmission shaft is located in the transmission cover, the shock attenuation flange includes flange chassis, damper assembly, damping disk and connection platform, damper assembly locates the flange chassis lateral wall, the damping disk is located one side that damper assembly kept away from the flange chassis, connection platform rigid coupling locates one side that damper disk kept away from damper assembly, extension axle rotates the joint and locates the connection platform lateral wall, damper assembly includes damping loop bar, damping spring, damping guide way, damping slide bar and damping guide block, the damping loop bar is equidistant evenly arranged and is located the flange chassis lateral wall, be equipped with the damping spout that one side opening set up in the damping loop bar, the opening of damping spout is located one side that damper loop bar kept away from the flange chassis, the damping guide grooves are symmetrically arranged on the side wall of the damping sliding groove, the damping sliding rod is slidably arranged in the damping sliding groove, the damping guide block is arranged on the side wall of the damping sliding rod, the damping guide block is slidably arranged in the damping guide groove, the damping spring is arranged in the damping sliding groove, the damping spring is arranged between the damping sliding rod and the flange chassis, when force is applied to the damping disc from the outside, the damping disc drives the damping sliding rod to approach the flange chassis, the damping sliding rod drives the damping guide block to slide in the damping guide grooves, and the damping sliding rod is buffered and damped by elastic deformation of the damping spring; the side wall of the transmission sleeve is provided with a fixing component, the fixing component comprises a fixing clamp column, a guide rod, a fixing slide block, a fixing spring, a fixing guide groove and a telescopic groove, one side of the extending shaft, which is far away from the connecting table, is provided with a transmission clamping groove, one side of the transmission clamping groove, which is far away from the connecting table, is hollow, the transmission shaft is coaxially clamped and arranged in the transmission clamping groove, the transmission clamping groove is provided with the fixing clamping groove, the telescopic groove is arranged on the outer side wall of the transmission sleeve, which is close to the fixing clamping groove, the fixing guide groove is communicated and symmetrically arranged on the side wall of the telescopic groove, the guide rod is respectively arranged in the fixing guide groove, the fixing slide block is arranged on the guide rod in a sliding manner, the fixing clamp column is arranged between the fixing slide blocks, the fixing clamp column is arranged in the fixing clamping groove in a sliding manner, the fixing spring is sleeved on the guide rod, and the fixing spring is arranged between the fixing slide block and the inner bottom wall of the fixing guide groove, by utilizing the elasticity of the fixed spring, the fixed slide block drives the fixed clamping column to be close to the fixed clamping groove and clamped in the fixed clamping groove, so that the transmission sleeve and the extension shaft are fixed and limited.

Furthermore, the circumference array of the inner wall of the transmission clamping groove is provided with a first transmission clamping tooth, the outer side wall of the transmission sleeve is uniformly provided with a second transmission clamping tooth at equal intervals, the second transmission clamping tooth is arranged in the transmission clamping groove and meshed with the second transmission clamping tooth, and the first transmission clamping tooth and the second transmission clamping tooth ensure the coaxial rotation between the extension shaft and the transmission sleeve.

Furthermore, the outer wall of the transmission shaft is provided with three clamping teeth at equal intervals, the inner wall of the transmission sleeve is provided with four clamping teeth at equal intervals, the three clamping teeth are meshed with the four clamping teeth, and the transmission shaft and the transmission sleeve are meshed with each other through the three clamping teeth and the four clamping teeth, so that the transmission shaft, the transmission sleeve and the extension shaft rotate coaxially.

Further, the transmission shaft, the transmission sleeve and the extension shaft are coaxially arranged.

Furthermore, the one end that extends the axle and is close to the connection platform is equipped with spacing sleeve, the connection platform is close to one side that the lateral wall extends the axle and is equipped with spacing recess, spacing sleeve rotates and locates in the spacing recess.

Furthermore, the side wall of the flange chassis is provided with a fixing bolt, and the damping flange is fixedly installed through the fixing bolt.

Further, fixing slot is the arc setting, fixing card post upper end is the arc setting, and the fixing card post of being convenient for breaks away from in the fixing slot.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme transmission shaft connecting device simple structure, damper assembly cushions the shock attenuation to transmission shaft coupling assembling, and fixed subassembly is convenient for extend the fixed connection between axle and the transmission shaft, and transmission latch one, transmission latch two make extend to connect between axle and the transmission cover firm reliable, and transmission shaft load capacity is strong, and transmission shaft connecting device simple structure connects the dismantlement convenience, uses and the maintenance cost is low.

Drawings

Fig. 1 is a front view of the transmission shaft connecting device of the present invention;

fig. 2 is a perspective view of the transmission shaft connecting device of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a partial enlarged view of portion B of FIG. 2;

fig. 5 is a sectional view of a portion a-a of fig. 1.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the attached drawings, 1, a damping flange, 2, an extension shaft, 3, a transmission sleeve, 4, a transmission shaft, 5, a flange chassis, 6, a damping assembly, 7, a damping disc, 8, a connecting platform, 9, a damping loop bar, 10, a damping spring, 11, a damping guide groove, 12, a damping slide bar, 13, a damping guide block, 14, a damping slide groove, 15, a fixing assembly, 16, a fixing clamp column, 17, a guide bar, 18, a fixing slide block, 19, a fixing spring, 20, a fixing guide groove, 21, a telescopic groove, 22, a transmission clamping groove, 23, a fixing clamping groove, 24, a transmission clamping tooth I, 25, a transmission clamping tooth II, 26, a limiting sleeve, 27, a limiting groove, 28 and a fixing bolt.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figures 1-5, the transmission shaft connecting device of the utility model comprises a shock absorption flange 1, an extension shaft 2, a transmission sleeve 3 and a transmission shaft 4, wherein the extension shaft 2 is arranged on the side wall of the shock absorption flange 1, the transmission sleeve 3 is arranged in the extension shaft 2, the transmission shaft 4 is arranged in the transmission sleeve 3, the shock absorption flange 1 comprises a flange chassis 5, a shock absorption component 6, a shock absorption disk 7 and a connecting platform 8, the shock absorption component 6 is arranged on the side wall of the flange chassis 5, the shock absorption disk 7 is arranged on the side of the shock absorption component 6 far away from the flange chassis 5, the connecting platform 8 is fixedly connected with the shock absorption disk 7 on the side of the shock absorption component 6, the extension shaft 2 is rotatably clamped on the side wall of the connecting platform 8, the shock absorption component 6 comprises a shock absorption loop bar 9, a shock absorption spring 10, a shock absorption guide groove 11, a shock absorption slide bar 12 and a shock absorption guide block 13, the shock absorption loop bar 9 is uniformly arranged on the side wall of the flange chassis 5 at equal intervals, a damping sliding groove 14 with an opening at one side is arranged in the damping loop bar 9, the opening of the damping sliding groove 14 is arranged at one side of the damping loop bar 9 far away from the flange chassis 5, the damping guide grooves 11 are symmetrically arranged on the side wall of the damping sliding groove 14, the damping sliding bar 12 is slidably arranged in the damping sliding groove 14, the damping guide block 13 is arranged on the side wall of the damping sliding bar 12, the damping guide block 13 is slidably arranged in the damping guide groove 11, the damping spring 10 is arranged in the damping sliding groove 14, and the damping spring 10 is arranged between the damping sliding bar 12 and the flange chassis 5; the side wall of the transmission sleeve 3 is provided with a fixing component 15, the fixing component 15 comprises a fixing clamping column 16, a guide rod 17, a fixed sliding block 18, a fixed spring 19, a fixed guide groove 20 and a telescopic groove 21, one side of the extension shaft 2, which is far away from the connecting table 8, is provided with a transmission clamping groove 22, one side of the transmission clamping groove 22, which is far away from the connecting table 8, is a hollow arrangement, the transmission shaft 4 is coaxially clamped in the transmission clamping groove 22, the transmission clamping groove 22 is provided with the fixed clamping groove 23, the telescopic groove 21 is arranged on the outer side wall of the transmission sleeve 3, which is close to the fixed clamping groove 23, the fixed guide groove 20 is communicated with the side wall of the telescopic groove 21 symmetrically, the guide rods 17 are respectively arranged in the fixed guide groove 20, the fixed sliding block 18 is arranged on the guide rods 17 in a sliding manner, the fixing clamping column 16 is arranged between the fixed sliding block 18, the fixing clamping column 16 is arranged in the fixed clamping groove 23, and the fixed spring 19 is sleeved on the guide rods 17, the fixing spring 19 is provided between the fixing slider 18 and the bottom wall of the fixing guide groove 20.

The transmission clamping grooves 22 are formed in the outer wall of the transmission sleeve 3, transmission clamping teeth I24 are distributed on the inner wall of the transmission clamping grooves 22 in a circumferential array mode, transmission clamping teeth II 25 are uniformly arranged on the outer side wall of the transmission sleeve 3 at equal intervals, the transmission clamping teeth II 25 are arranged in the transmission clamping grooves 22, and the transmission clamping teeth I24 are meshed with the transmission clamping teeth II 25; the outer wall of the transmission shaft 4 is uniformly provided with a third clamping tooth at equal intervals, the inner wall of the transmission sleeve 3 is provided with a fourth clamping tooth at equal intervals, and the third clamping tooth is meshed with the fourth clamping tooth; the transmission shaft 4, the transmission sleeve 3 and the extension shaft 2 are coaxially arranged; a limiting sleeve 26 is arranged at one end, close to the connecting table 8, of the extending shaft 2, a limiting groove 27 is arranged at one side, close to the extending shaft 2, of the connecting table 8, and the limiting sleeve 26 is rotatably arranged in the limiting groove 27; the side wall of the flange chassis 5 is provided with a fixing bolt 28; the fixing clamping groove 23 is arranged in an arc shape, and the upper end of the fixing clamping column 16 is arranged in an arc shape.

When the flange chassis is used, the flange chassis 5 is fixedly installed through the fixing bolt 28, the fixing clamping column 16 on the transmission sleeve 3 is pressed downwards, the fixing sliding block 18 slides downwards on the guide rod 17 and compresses the fixing spring 19 at the same time, the fixing clamping column 16 is contracted in the telescopic groove 21, meanwhile, the gap between the transmission clamping tooth II 25 on the transmission sleeve 3 and the transmission clamping tooth I24 in the transmission clamping groove 22 is aligned, so that the transmission clamping tooth I24 and the transmission clamping tooth II 25 are in staggered clamping engagement, the transmission sleeve 3 cylinder is pushed to approach the connecting platform 8, the fixing clamping column 16 and the fixing sliding block 18 are contracted in the telescopic groove 21 under the limitation of the transmission sleeve 3, when the fixing clamping column 16 moves to the lower part of the fixing clamping groove 23, the fixing clamping column 16 is separated from the limitation of the transmission sleeve 3, the fixing spring 19 recovers the elasticity of the fixing spring 19, the fixing sliding block 18 pushes the fixing sliding block 18 to move upwards, the fixing clamping column 16 is driven to extend out of the telescopic groove 21 to approach the fixing clamping groove 23 and be clamped in the fixing clamping groove 23, therefore, the transmission sleeve 3 and the extension shaft 2 are fixed and limited, the transmission sleeve 3 cannot move back and forth along the transmission clamping groove 22, the first transmission clamping tooth 24 and the second transmission clamping tooth 25 ensure the coaxial rotation of the transmission shaft 4, the transmission sleeve 3 and the extension shaft 2, the limiting sleeve 26 at one end of the extension shaft 2 is inserted into the limiting groove 27, the limiting groove 27 limits the limiting sleeve 26, the load output shaft and one end, far away from the connecting table 8, of the transmission shaft 4 are coaxially connected, and the load rotation drives the transmission shaft 4, the transmission sleeve 3 and the extension shaft 2 to coaxially rotate in the limiting groove 27; when the transmission sleeve 3 needs to be disassembled, the transmission sleeve 3 is pulled outwards, the fixing clamping column 16 is extruded by the arc-shaped edge of the fixing clamping groove 23, the fixing spring 19 in the telescopic groove 21 is compressed by the fixing clamping column 16, so that the fixing clamping column 16 is separated from the fixing clamping groove 23, the fixing clamping column 16 and the fixing slide block 18 are contracted in the telescopic groove 21 under the limitation of the transmission sleeve 3, the transmission sleeve 3 is pulled until the transmission sleeve 3 is separated from the extension shaft 2, and the assembling and disassembling processes of the transmission shaft 4 and the transmission sleeve 3 are carried out; when the transmission shaft 4 rotates to apply force to the damping disc 7, the damping disc 7 drives the damping slide rod 12 to approach the flange chassis 5, the damping slide rod 12 drives the damping guide block 13 to slide in the damping guide groove 11, the damping slide rod 12 is buffered and damped by elastic deformation of the damping spring 10, the fixing assembly 15 is convenient for extending the fixed connection between the shaft 2 and the transmission shaft 4, the first transmission latch 24 and the second transmission latch 25 ensure that the connection between the extending shaft 2 and the transmission sleeve 3 is stable and reliable, the load capacity is strong, the structure is simple, stability and reliability are realized, the connection and disassembly are convenient, and the use and maintenance cost is low.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A kind of drive shaft junction device, characterized by: the shock absorption device comprises a shock absorption flange, an extension shaft, a transmission sleeve and a transmission shaft, wherein the extension shaft is arranged on the side wall of the shock absorption flange, the transmission sleeve is arranged in the extension shaft, the transmission shaft is arranged in the transmission sleeve, the shock absorption flange comprises a flange chassis, a shock absorption assembly, a shock absorption disc and a connecting platform, the shock absorption assembly is arranged on the side wall of the flange chassis, the shock absorption disc is arranged on one side of the shock absorption assembly, which is far away from the flange chassis, the connecting platform is fixedly connected to one side of the shock absorption disc, which is far away from the shock absorption assembly, the extension shaft is rotatably clamped on the side wall of the connecting platform, the shock absorption assembly comprises shock absorption loop bars, shock absorption springs, shock absorption guide grooves, shock absorption slide bars and shock absorption guide blocks, the shock absorption loop bars are uniformly arranged on the side wall of the flange chassis at equal intervals, shock absorption slide grooves with openings on one sides, which are opened, are arranged on one sides of the shock absorption loop bars, which are far away from the flange chassis, the damping guide grooves are symmetrically arranged on the side wall of the damping sliding groove, the damping sliding rod is arranged in the damping sliding groove in a sliding manner, the damping guide block is arranged on the side wall of the damping sliding rod, the damping guide block is arranged in the damping guide grooves in a sliding manner, the damping spring is arranged in the damping sliding groove, and the damping spring is arranged between the damping sliding rod and the flange base plate; the side wall of the transmission sleeve is provided with a fixing component, the fixing component comprises a fixing clamping column, a guide rod, a fixing slide block, a fixing spring, a fixing guide groove and a telescopic groove, a transmission clamping groove is arranged on one side of the extension shaft away from the connecting table, the side of the transmission clamping groove away from the connecting table is hollow, the transmission shaft is coaxially clamped in the transmission clamping groove, the transmission clamping groove is provided with a fixed clamping groove, the telescopic groove is arranged on the outer side wall of the transmission sleeve close to the fixed clamping groove, the fixed guide grooves are communicated and symmetrically arranged on the side walls of the telescopic grooves, the guide rods are respectively arranged in the fixed guide grooves, the fixed sliding blocks are arranged on the guide rods in a sliding manner, the fixed clamping columns are arranged between the fixed sliding blocks and are arranged in the fixed clamping grooves in a sliding manner, the fixed spring is sleeved on the guide rod and arranged between the fixed sliding block and the bottom wall of the fixed guide groove.

2. A propeller shaft coupling device according to claim 1, wherein: the transmission clamping groove is characterized in that first transmission clamping teeth are distributed on the inner wall of the transmission clamping groove in a circumferential array mode, second transmission clamping teeth are uniformly arranged on the outer side wall of the transmission sleeve at equal intervals, the second transmission clamping teeth are arranged in the transmission clamping groove, and the first transmission clamping teeth are meshed with the second transmission clamping teeth.

3. A propeller shaft coupling device according to claim 1, wherein: the outer wall of the transmission shaft is provided with a third clamping tooth in an equidistant and uniform arrangement mode, the inner wall of the transmission sleeve is provided with a fourth clamping tooth in an equidistant mode, and the third clamping tooth is meshed with the fourth clamping tooth.

4. A propeller shaft coupling device according to claim 1, wherein: the transmission shaft, the transmission sleeve and the extension shaft are arranged coaxially.

5. A propeller shaft coupling device according to claim 1, wherein: the one end that extends the axle and is close to the connection platform is equipped with spacing sleeve, the connection platform is close to one side that the lateral wall extends the axle and is equipped with spacing recess, spacing sleeve rotates and locates in the spacing recess.

6. A propeller shaft coupling device according to claim 1, wherein: and the side wall of the flange chassis is provided with a fixing bolt.

7. A propeller shaft coupling device according to claim 1, wherein: the fixing clamping groove is arc-shaped, and the upper end of the fixing clamping column is arc-shaped.