CN214404323U

CN214404323U - Detachable eccentric shaft

Info

Publication number: CN214404323U
Application number: CN202120268345.0U
Authority: CN
Inventors: 苏辰鸣
Original assignee: Zhejiang Donghe Electromechanical Manufacturing Co ltd
Current assignee: Zhejiang Donghe Electromechanical Manufacturing Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-10-15
Anticipated expiration: 2031-01-29

Abstract

The utility model provides a detachable eccentric shaft. The detachable eccentric shaft comprises an engaging disc; the eccentric shaft is arranged at the top of the connecting disc and is eccentrically installed; the connecting shaft is arranged at the bottom of the connecting disc, and the circle center of the connecting shaft is arranged; the key shaft is arranged at the bottom end of the connecting shaft; the depression groove is formed in the top of the connecting disc; the first groove is formed in the bottom of the connecting disc; and the second groove is formed in the bottom end of the key shaft. The utility model provides a detachable eccentric shaft has the advantage of being convenient for change key axle, reduce extravagantly.

Description

Detachable eccentric shaft

Technical Field

The utility model relates to a machinery accessories technical field especially relates to a detachable eccentric shaft.

Background

The workpiece with the excircle parallel to the axis of the excircle and not coincident with the axis of the excircle is called an eccentric shaft. The eccentric shaft is usually fixed on the rotating shaft of the motor through an eccentric hole, and when the motor is started, the eccentric shaft makes a cam motion. Therefore, the pump is widely applied to the fields of automobiles, engines, pumps and the like.

Because the eccentric shaft used at present is usually of an integrated structure, the eccentric shaft needs to be integrally replaced after any point is damaged, particularly, the eccentric shaft is used as a key shaft of a main meshing part, teeth on the eccentric shaft are easy to wear, and the eccentric shaft needs to be integrally replaced to a certain extent when the wear is reached, so that waste is caused.

Therefore, there is a need to provide a new eccentric shaft with a detachable structure to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a detachable eccentric shaft with be convenient for change key axle, reduce extravagantly.

In order to solve the technical problem, the utility model provides a detachable eccentric shaft includes: a splice tray; the eccentric shaft is arranged at the top of the connecting disc and is eccentrically installed; the connecting shaft is arranged at the bottom of the connecting disc, and the circle center of the connecting shaft is arranged; the key shaft is arranged at the bottom end of the connecting shaft; the depression groove is formed in the top of the connecting disc; the first groove is formed in the bottom of the connecting disc; and the second groove is formed in the bottom end of the key shaft.

Preferably, be provided with fixed establishment on the connecting axle, fixed establishment includes rectangular channel, two through-holes, rectangular block, key round pin, sliding chamber and positioning mechanism, the rectangular channel is seted up on the bottom of connecting axle, two the through-hole is seted up respectively on the both sides inner wall of rectangular channel, the rectangular block sets up in the rectangular channel, the bottom of rectangular block extends to outside the connecting axle and with the top fixed connection of key axle, key round pin slidable mounting be in on the rectangular block, the both sides of key round pin extend to two respectively in the through-hole, sliding chamber sets up on the connecting axle, sliding chamber is located directly over the rectangular channel, positioning mechanism sets up on the connecting axle.

Preferably, the positioning mechanism comprises a sliding hole, a sliding sheet, a round bar, two limiting plates, two guide rods and two springs, the sliding hole is formed in the inner wall of one side of the sliding cavity, the sliding sheet is slidably mounted in the sliding cavity, the round bar is slidably mounted in the sliding hole, one end of the round bar is fixedly connected with the sliding sheet, one end, away from the sliding sheet, of the round bar extends out of the connecting shaft, the two limiting plates are slidably mounted on the inner wall of the bottom of the sliding cavity, the tops of the two limiting plates are both located in the sliding cavity and fixedly connected with the bottom of the sliding sheet, the bottoms of the two limiting plates respectively extend into the two through holes, the two limiting plates are respectively slidably connected with the inner wall of the bottom of the two through holes, and one side, close to each other, of the two limiting plates is respectively contacted with the two sides of the key pin, two the equal fixed mounting of guide arm is in on the top inner wall of sliding chamber and the bottom inner wall, two the guide arm all with gleitbretter sliding connection, two the guide arm all is located two between the limiting plate, two the spring is established two respectively the slip cap on the guide arm, two the top of spring all with the top inner wall fixed connection of sliding chamber, two the bottom of spring all with the top fixed connection of gleitbretter.

Preferably, the inner walls of the bottoms of the through holes are provided with caulking grooves, and the caulking grooves are respectively matched with the two limiting plates.

Preferably, notches are formed in two sides of the bottom of the key pin, and grooves are formed in the inner walls of the tops of the two notches.

Preferably, a through hole is formed in the rectangular block, and the key pin penetrates through the through hole in a sliding manner.

Compared with the prior art, the utility model provides a detachable eccentric shaft has following beneficial effect:

the utility model provides a detachable eccentric shaft:

1. the eccentric shaft is simple in structure and convenient to use as a whole;

2. through the rectangular channel easy to assemble rectangular block, the rectangular block is connected with the key shaft, the key round pin can be fixed the rectangular block on the connecting axle, the installation is comparatively stable, can fix the position of key round pin through two limiting plates on the gleitbretter, the prevention breaks away from, spring coupling's mode operation is comparatively simple, the pole is convenient for operate the gleitbretter, limiting plate embedding of being convenient for through the caulking groove, make its stability higher, be convenient for take out the key round pin through the intraoral slot of breach, it is convenient to change, be convenient for install the key round pin through the through hole.

Drawings

Fig. 1 is a schematic front view of a first embodiment of a detachable eccentric shaft according to the present invention;

fig. 2 is a schematic sectional view of a front view of a second embodiment of the detachable eccentric shaft according to the present invention;

FIG. 3 is an enlarged schematic view of portion A shown in FIG. 2;

fig. 4 is a schematic front view of a second embodiment of the detachable eccentric shaft according to the present invention;

fig. 5 is an enlarged structural view of a portion B shown in fig. 4.

Reference numbers in the figures: 1. a splice tray; 2. an eccentric shaft; 3. a connecting shaft; 4. a key shaft; 5. a depression groove; 6. a first groove; 7. a second groove; 8. a rectangular groove; 9. a through hole; 10. a rectangular block; 11. a key pin; 12. a slide chamber; 13. a slide hole; 14. sliding blades; 15. a round bar; 16. a limiting plate; 17. a guide bar; 18. a spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

The first embodiment:

please refer to fig. 1. The detachable eccentric shaft includes: a splice tray 1; the eccentric shaft 2 is arranged at the top of the connecting disc 1, and the eccentric shaft 2 is eccentrically installed; the connecting shaft 3 is arranged at the bottom of the connecting disc 1, and the circle center of the connecting shaft 3 is arranged; the key shaft 4 is arranged at the bottom end of the connecting shaft 3; the depressed groove 5 is formed in the top of the connecting disc 1; a first groove 6, wherein the first groove 6 is arranged at the bottom of the connecting disc 1; and the second groove 7 is formed in the bottom end of the key shaft 4, and the second groove 7 is formed in the bottom end of the key shaft 4.

In this embodiment:

when the device is used, the teeth on the key shaft 4 transmit power, the connecting disc 1 and the eccentric shaft 2 can be connected to a power source, and the connecting shaft 3 is convenient for mounting the key shaft 4.

the utility model provides a detachable eccentric shaft, the whole convenient to use of eccentric shaft through simple constitution.

Second embodiment:

based on the detachable eccentric shaft provided in the first embodiment of the present application, a second embodiment of the present application provides another detachable eccentric shaft. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments.

Referring to fig. 2-5 in combination, the detachable eccentric shaft further includes a fixing mechanism, the fixing mechanism is disposed on the connecting shaft 3, the fixing mechanism includes a rectangular groove 8, two through holes 9, a rectangular block 10, a key pin 11, a sliding cavity 12 and a positioning mechanism, the rectangular groove 8 is disposed on the bottom end of the connecting shaft 3, the two through holes 9 are disposed on the inner walls of the two sides of the rectangular groove 8, the rectangular block 10 is disposed in the rectangular groove 8, the bottom of the rectangular block 10 extends out of the connecting shaft 3 and is fixedly connected to the top end of the key shaft 4, the key pin 11 is slidably mounted on the rectangular block 10, the two sides of the key pin 11 extend into the two through holes 9, the sliding cavity 12 is disposed on the connecting shaft 3, the sliding cavity 12 is located right above the rectangular groove 8, the positioning mechanism is disposed on the connecting shaft 3, rectangular block 10 is conveniently installed through rectangular channel 8, and rectangular block 10 connects key shaft 4, and key pin 11 can fix rectangular block 10 on connecting axle 3, and the installation is comparatively stable.

The positioning mechanism comprises a sliding hole 13, a slip sheet 14, a round rod 15, two limiting plates 16, two guide rods 17 and two springs 18, wherein the sliding hole 13 is formed in the inner wall of one side of the sliding cavity 12, the slip sheet 14 is slidably mounted in the sliding cavity 12, the round rod 15 is slidably mounted in the sliding hole 13, one end of the round rod 15 is fixedly connected with the slip sheet 14, one end, far away from the slip sheet 14, of the round rod 15 extends out of the connecting shaft 3, the two limiting plates 16 are slidably mounted on the inner wall of the bottom of the sliding cavity 12, the tops of the two limiting plates 16 are located in the sliding cavity 12 and fixedly connected with the bottom of the slip sheet 14, the bottoms of the two limiting plates 16 extend into the through holes 9 respectively, the two limiting plates 16 are slidably connected with the inner wall of the bottom of the through holes 9 respectively, one sides, close to each other, of the two limiting plates 16 are in contact with the two sides of the key pins 11 respectively, two the equal fixed mounting of guide arm 17 is in on the top inner wall of sliding chamber 12 and the bottom inner wall, two guide arm 17 all with 14 sliding connection of gleitbretter, two guide arm 17 all is located two between the limiting plate 16, two spring 18 slides the cover respectively and establishes two on the guide arm 17, two the top of spring 18 all with sliding chamber 12's top inner wall fixed connection, two spring 18's bottom all with the top fixed connection of gleitbretter 14 can fix the position of key pin 11 through two limiting plate 16 on the gleitbretter 14, and the prevention breaks away from, and the mode operation that spring 18 connects is comparatively simple, and the pole 15 is convenient for operate gleitbretter 14.

Two the caulking groove has all been seted up on the bottom inner wall of through-hole 9, two the caulking groove respectively with two limiting plate 16 looks adaptation is convenient for the limiting plate 16 embedding through the caulking groove, makes its stability higher.

The bottom both sides of key round pin 11 all are provided with the breach, two all seted up the slot on the top inner wall of breach, be convenient for take out key round pin 11 through the interior slot of breach, it is convenient to change.

The rectangular block 10 is provided with a through hole, the key pin 11 penetrates through the through hole in a sliding mode, and the key pin 11 is convenient to install through the through hole.

In this embodiment:

when teeth on the key shaft 4 are damaged and need to be replaced, one hand is used for upwards poking the round rod 15, the round rod 15 slides upwards along the sliding hole 13, at the moment, the round rod 15 drives the sliding piece 14 to slide upwards along the sliding cavity 12, meanwhile, the sliding piece 14 slides upwards along the guide rod 17 and compresses the spring 18, when the sliding piece 14 moves upwards, the two limiting plates 16 are driven to move upwards and slide, so that the sliding piece is separated from the two through holes 9 respectively, after the two limiting plates 16 are completely separated from the two through holes 9, the device is tilted and knocked or a tool is inserted into the groove to take out the key pin 11, at the moment, the rectangular block 10 on the key shaft 4 can be separated from the rectangular groove 8, then, a new rectangular block 10 and the key shaft 4 are installed, then the hand is loosened, the two limiting plates 16 are clamped on two sides of the key pin 11 respectively under the rebound of the spring 18 to fix the key pin 11, the key pin 11 prevents the rectangular block 10 from being separated from the rectangular groove 8.

the utility model provides a detachable eccentric shaft, through 8 easy to assemble rectangular block 10 of rectangular channel, rectangular block 10 is connected key shaft 4, key round pin 11 can be fixed rectangular block 10 on connecting axle 3, the installation is comparatively stable, can fix key round pin 11's position through two limiting plates 16 on the gleitbretter 14, the prevention breaks away from, the mode operation that spring 18 connects is comparatively simple, round bar 15 is convenient for operate gleitbretter 14, 16 imbeds through the caulking groove limiting plate of being convenient for, it is higher to make its stability, be convenient for take out key round pin 11 through the slot in the breach, it is convenient to change, be convenient for install key round pin 11 through the through hole.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A detachable eccentric shaft, comprising:

a splice tray;

the eccentric shaft is arranged at the top of the connecting disc and is eccentrically installed;

the connecting shaft is arranged at the bottom of the connecting disc, and the circle center of the connecting shaft is arranged;

the key shaft is arranged at the bottom end of the connecting shaft;

the depression groove is formed in the top of the connecting disc;

the first groove is formed in the bottom of the connecting disc;

and the second groove is formed in the bottom end of the key shaft.

2. The detachable eccentric shaft according to claim 1, wherein a fixing mechanism is disposed on the connecting shaft, the fixing mechanism comprises a rectangular groove, two through holes, a rectangular block, a key pin, a sliding cavity and a positioning mechanism, the rectangular groove is disposed on the bottom end of the connecting shaft, the two through holes are disposed on the inner walls of the two sides of the rectangular groove, the rectangular block is disposed in the rectangular groove, the bottom of the rectangular block extends out of the connecting shaft and is fixedly connected with the top end of the key shaft, the key pin is slidably mounted on the rectangular block, the two sides of the key pin extend into the two through holes, the sliding cavity is disposed on the connecting shaft, the sliding cavity is located right above the rectangular groove, and the positioning mechanism is disposed on the connecting shaft.

3. The detachable eccentric shaft according to claim 2, wherein the positioning mechanism comprises a sliding hole, a sliding piece, a round bar, two limiting plates, two guide rods and two springs, the sliding hole is formed on an inner wall of one side of the sliding cavity, the sliding piece is slidably mounted in the sliding cavity, the round bar is slidably mounted in the sliding hole, one end of the round bar is fixedly connected with the sliding piece, one end of the round bar, away from the sliding piece, extends out of the connecting shaft, both the limiting plates are slidably mounted on an inner wall of the bottom of the sliding cavity, tops of both the limiting plates are located in the sliding cavity and fixedly connected with the bottom of the sliding piece, bottoms of both the limiting plates respectively extend into both the through holes, both the limiting plates are respectively slidably connected with inner walls of the bottoms of both the through holes, one side of both the limiting plates, which is close to each other, is respectively contacted with both sides of the key pins, two the equal fixed mounting of guide arm is in on the top inner wall of sliding chamber and the bottom inner wall, two the guide arm all with gleitbretter sliding connection, two the guide arm all is located two between the limiting plate, two the spring is established two respectively the slip cap on the guide arm, two the top of spring all with the top inner wall fixed connection of sliding chamber, two the bottom of spring all with the top fixed connection of gleitbretter.

4. The eccentric shaft of claim 3, wherein two slots are formed on the inner wall of the bottom of each through hole, and the two slots are respectively matched with the two limit plates.

5. The eccentric shaft of claim 2, wherein the key pin has notches on both sides of the bottom thereof, and the notches have grooves on the inner walls of the tops thereof.

6. The eccentric shaft of claim 2, wherein the rectangular block has a through hole, and the key pin slides through the through hole.