CN113931939B

CN113931939B - Coupler with safety protection function

Info

Publication number: CN113931939B
Application number: CN202111299031.8A
Authority: CN
Inventors: 马立成
Original assignee: Jiangsu Teckman Transmission Equipment Co ltd
Current assignee: Jiangsu Teckman Transmission Equipment Co ltd
Priority date: 2021-08-31
Filing date: 2021-11-04
Publication date: 2024-03-29
Anticipated expiration: 2041-11-04
Also published as: CN113931939A

Abstract

The invention discloses a coupler with a safety protection function, and particularly relates to the technical field of couplers. According to the invention, the first rack slides to drive the gear to rotate, and the second rack in the second chute is driven to move when the gear rotates, and the second rack drives the whole protection cover to slowly move from the outer side of the first shaft body to the outer side of the second shaft body through the connecting plate, so that the protection cover is more convenient to use, the protection cover shields the first shaft body and the second shaft body completely to protect the first shaft body and the second shaft body from being damaged due to the impact of external objects when the protection cover is used, and the first shaft body and the second shaft body can be prevented from being damaged when workers touch the first shaft body and the second shaft body.

Description

Coupler with safety protection function

Technical Field

The invention relates to the technical field of couplings, in particular to a coupling with a safety protection function.

Background

In the installation and use of mechanical equipment, a shaft is generally used for connecting the shaft with the shaft or connecting the shaft with other rotary parts so as to transmit motion and torque, the shaft is widely applied to various general machines, in the existing power transmission with most high speed and heavy load, some shafts have the functions of buffering, damping and improving the dynamic performance of a shaft system, the shaft is composed of two parts, namely a driving shaft and a driven shaft, the driving shaft and the driven shaft are respectively connected for use, a general power machine is connected with a working machine by virtue of the shaft, the shaft is various, the shaft can be divided into a fixed shaft coupling and a movable shaft coupling according to the relative position and the change condition of the positions of the two shafts to be connected, and the shaft coupling type mainly comprises a rigid shaft coupling and an elastic shaft coupling according to whether the shaft has the elastic performance or not.

When the existing connecting shaft is used, the two shaft bodies are directly connected through screws or other modes and then are directly used, and the two shaft bodies are easily impacted by external objects in the use process, so that the two shaft bodies are easily loosened to influence the use.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present invention provides a coupling with a safety protection function, so as to solve the above-mentioned problems occurring in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a take safety protection function's shaft coupling, includes first axis body and second axis body, the jack has been seted up to first axis body near second axis body one side, the second axis body is established in the jack and is pegged graft with the jack, first axis body and the external cover of second axis are equipped with the safety cover, two upper and lower symmetrical first spouts have been seted up in the first axis body, the storing chamber has been seted up in the first spout outside, the intracavity activity of storing is equipped with the gear, the removal groove has all been seted up on first axis body top and bottom outer wall surface, second axis body top and bottom outer wall surface, the second spout has all been seted up to the removal inslot side, the second spout is established in the storing chamber outside and is linked together with the storing chamber, be equipped with first rack in the first spout, first rack is established in the gear inboard and is meshed with the gear, first rack is fixedly established on the second axis body, be equipped with the second rack in the second rack, the fixed connection board that is equipped with in second rack top, connecting plate and safety cover inner wall fixed connection.

In a preferred embodiment, a plurality of limiting holes are formed in the inner wall surface of the jack, limiting blocks are arranged in the limiting holes, and the limiting blocks are fixedly arranged on the second shaft body.

In a preferred embodiment, a plurality of connecting holes are formed in the first shaft body, two adjacent limiting holes are communicated through the connecting holes, an oil filling hole is formed in the outer wall surface of the first shaft body, and a sealing plug is connected to the inner thread of the oil filling hole.

In a preferred embodiment, the inside barrel that inlays of safety cover, the inside activity of barrel is equipped with the baffle, baffle and barrel inner wall sliding connection, the inside movable sleeve of baffle is equipped with the stock, stock one side runs through the barrel and extends to the barrel outside, stock outside cover is equipped with the spring, spring one end is fixed to be established on the baffle, the stock is close to second axis body one side and is fixed to be equipped with two supports, is equipped with the gyro wheel between two supports, the gyro wheel passes through axostylus axostyle and leg joint, the draw-in groove has been seted up to second axis body outer wall surface, gyro wheel and two supports are all established in the draw-in groove, the stock is kept away from barrel one end and is fixed to be equipped with the pull ring.

In a preferred embodiment, the outer wall surface of the protective cover is fixedly sleeved with a rubber sleeve, and the surface of the rubber sleeve is fixedly provided with a plurality of anti-skid lugs.

In a preferred embodiment, two rubber strips are fixedly arranged on the inner wall surfaces of the front side and the rear side of the inner cavity of the movable groove, and the inner walls of the rubber strips are in contact with the surface of the connecting plate.

In a preferred embodiment, a rotating shaft is fixedly arranged in the gear, and the front end and the rear end of the rotating shaft are connected with the inner wall of the storage cavity through ball bearings.

In a preferred embodiment, the second shaft body is internally and in threaded connection with a plurality of screws, a plurality of threaded holes are formed in the surface of the outer wall of the first shaft body, which is close to one side of the second shaft body, and the screws are arranged in the threaded holes and in threaded connection with the threaded holes.

The invention has the technical effects and advantages that:

1. according to the invention, the first rack slides to drive the gear to rotate, and the second rack in the second chute is driven to move when the gear rotates, and the second rack drives the whole protection cover to slowly move from the outer side of the first shaft body to the outer side of the second shaft body through the connecting plate, so that the protection cover is more convenient to use, the protection cover shields the first shaft body and the second shaft body completely to protect the first shaft body and the second shaft body from being damaged due to the impact of external objects when the protection cover is used, and the first shaft body and the second shaft body can be prevented from being damaged when workers touch the first shaft body and the second shaft body.

2. Through unscrewing the sealing plug on the oil filler point, pour into lubricating oil into the connecting hole through the oil filler point in, in the lubricating oil is through a plurality of connecting holes diffuse to every spacing downthehole, can significantly reduce the frictional force between stopper and the spacing downthehole, in the lubricating oil flows the jack through spacing downthehole, the frictional force when reducing second axis body and first axis body plug simultaneously, make things convenient for the staff to carry out the plug to improve the life of first axis body and second axis body.

3. Through the gyro wheel contact of the gyro wheel on the stock and the outer wall of first axis body, when the gyro wheel slides to the draw-in groove on the second axis body, the spring between baffle and the barrel produces reverse thrust, promotes gyro wheel and two supports on the stock and block the draw-in groove together in, makes to connect between safety cover and the second axis body and is in the same place, improves the stability of safety cover on first axis body and second axis body.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a cross-sectional view of the overall structure of the present invention.

Fig. 3 is an enlarged view of the portion a of fig. 2 according to the present invention.

Fig. 4 is a front view of the first shaft body of the present invention.

Fig. 5 is a side view of a first shaft of the present invention.

Fig. 6 is a front view of a second shaft body of the present invention.

Fig. 7 is a cross-sectional view of the cartridge of the present invention.

Fig. 8 is a cross-sectional view of a connection hole of the present invention.

The reference numerals are: 1. a first shaft body; 2. a second shaft body; 3. a jack; 4. a protective cover; 5. a first chute; 6. a storage cavity; 7. a gear; 8. a moving groove; 9. a second chute; 10. a first rack; 11. a second rack; 12. a connecting plate; 13. a limiting hole; 14. a limiting block; 15. a connection hole; 16. an oil filling hole; 17. a sealing plug; 18. a cylinder; 19. a partition plate; 20. a long rod; 21. a spring; 22. a bracket; 23. a roller; 24. a clamping groove; 25. a pull ring; 26. a rubber sleeve; 27. an anti-slip bump; 28. a rubber strip; 29. a rotating shaft; 30. a screw; 31. and (3) a threaded hole.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to the accompanying drawings 1-7 of the specification, the coupling with the safety protection function of the embodiment comprises a first shaft body 1 and a second shaft body 2, wherein a jack 3 is formed on one side, close to the second shaft body 2, of the first shaft body 1, the second shaft body 2 is arranged in the jack 3 and is spliced with the jack 3, so that the second shaft body 2 and the first shaft body 1 are connected more stably, a protective cover 4 is sleeved outside the first shaft body 1 and the second shaft body 2, the protective cover 4 can protect the first shaft body 1 and the second shaft body 2 from being impacted by foreign matters, and can also prevent the body of a worker from directly touching the first shaft body 1 and the second shaft body 2 to be damaged, two first sliding grooves 5 which are symmetrical up and down are formed in the first shaft body 1, a storage cavity 6 is formed outside the first sliding grooves 5, a gear 7 is movably arranged in the storage cavity 6, the top and bottom outer wall surfaces of the first shaft body 1 and the top and bottom outer wall surfaces of the second shaft body 2 are respectively provided with a moving groove 8, the inner sides of the moving grooves 8 are respectively provided with a second sliding groove 9, the second sliding grooves 9 are arranged on the outer sides of the storage cavities 6 and are communicated with the storage cavities 6, the first sliding grooves 5 are internally provided with first racks 10, the first racks 10 are arranged on the inner sides of the gears 7 and are meshed with the gears 7, the first racks 10 are fixedly arranged on the second shaft body 2, the second racks 11 are arranged in the second sliding grooves 9, the tops of the second racks 11 are fixedly provided with connecting plates 12, the connecting plates 12 are fixedly connected with the inner walls of the protective covers 4, the first racks 10 are utilized to drive the gears 7 to rotate, the second racks 11 are driven to move when the gears 7 rotate, the protective covers 4 can automatically slide to the outer sides of the second shaft bodies 2 when the second shaft bodies 2 are inserted into the first shaft bodies 1, the second shaft body 2 and the first shaft body 1 are protected, manual operation is not needed, and the use is more labor-saving.

The fixed cover in safety cover 4 outer wall surface is equipped with rubber cover 26, rubber cover 26 fixed surface is equipped with a plurality of anti-skidding lugs 27, increases the frictional force between hand and the rubber cover 26, makes the staff more stable when taking first axis body 1 and second axis body 2.

Two rubber strips 28 are fixedly arranged on the inner wall surfaces of the front side and the rear side of the inner cavity of the movable groove 8, and the inner walls of the rubber strips 28 are contacted with the surface of the connecting plate 12, so that the stability of the connecting plate 12 during sliding is improved.

The gear 7 is internally and fixedly provided with a rotating shaft 29, and the front end and the rear end of the rotating shaft 29 are connected with the inner wall of the storage cavity 6 through ball bearings.

The implementation scene is specifically as follows: when in use, firstly, two first racks 10 on the second shaft body 2 are aligned with two first sliding grooves 5 on the first shaft body 1 and then the left end of the second shaft body 2 is pushed to be inserted into the insertion hole 3 on the right side of the first shaft body 1, a plurality of limiting blocks 14 on the second shaft body 2 are inserted into the limiting holes 13 in the first shaft body 1, when the first racks 10 slide in the first sliding grooves 5, the tops of the first racks are meshed with the gear 7 in the storage cavity 6, so as to drive the gear 7 to rotate, when the gear 7 rotates, the second racks 11 in the second sliding grooves 9 are driven to move, the second racks 11 drive the whole protective cover 4 to be slowly moved to the outer side of the second shaft body 2 from the outer side of the first shaft body 1 through the connecting plate 12, no manual operation is needed, the utility model discloses a first axis body 1 and second axis body 2 are all sheltered from through safety cover 4, protect first axis body 1 and second axis body 2, avoid first axis body 1 and second axis body 2 to receive the striking of external object and damage when using, and can prevent that the staff from touching first axis body 1 and second axis body 2 and receive the damage, rubber sleeve 26 on safety cover 4 has elasticity, reduce the impact force that first axis body 1 and second axis body 2 received, a plurality of anti-skidding lugs 27 on rubber sleeve 26 can increase the frictional force between staff's hand and the rubber sleeve 26, make the staff take first axis body 1 and second axis body 2 and look over more firmly when.

Referring to fig. 1-8 of the specification, in the coupling with the safety protection function of this embodiment, a plurality of limiting holes 13 are formed on the inner wall surface of the jack 3, limiting blocks 14 are disposed in the limiting holes 13, and the limiting blocks 14 are fixedly disposed on the second shaft body 2, so as to further increase the firmness between the second shaft body 2 and the first shaft body 1.

The inside a plurality of connecting holes 15 of having seted up of first axis body 1, be linked together through connecting hole 15 between two adjacent spacing holes 13, oil filler point 16 has been seted up on first axis body 1 outer wall surface, and lubricating oil flows in every spacing hole 13 through a plurality of connecting holes 15, can reduce the frictional force between stopper 14 and the spacing hole 13, oil filler point 16 female connection has sealing plug 17, plays sealed effect, prevents that lubricating oil from spilling from oil filler point 16.

The implementation scene is specifically as follows: after the first shaft body 1 and the second shaft body 2 are connected, the sealing plug 17 in the oil filling hole 16 is unscrewed, lubricating oil is filled into the connecting holes 15 through the oil filling hole 16, the lubricating oil spreads into each limiting hole 13 through the plurality of connecting holes 15, friction force between the limiting block 14 and each limiting hole 13 is reduced, a worker can conveniently plug, after the lubricating oil is filled, the sealing plug 17 is screwed up, the sealing plug is used, friction force of the first shaft body 1 and the second shaft body 2 in the plugging process can be greatly reduced through adding the lubricating oil, and accordingly the service life of the first shaft body 1 and the second shaft body 2 is prolonged.

Referring to fig. 1, 2, 3 and 7 of the specification, in the coupling with the safety protection function of this embodiment, the barrel 18 is embedded in the protection cover 4, the baffle 19 is movably arranged in the barrel 18, the baffle 19 is slidably connected with the inner wall of the barrel 18, the long rod 20 is movably sleeved in the baffle 19, one side of the long rod 20 penetrates through the barrel 18 and extends to the outer side of the barrel 18, the spring 21 is sleeved in the outer side of the long rod 20, one end of the spring 21 is fixedly arranged on the baffle 19, when the protection cover 4 is slowly moved to the second shaft 2, the pull ring 25 is pulled to drive the roller 23 on the long rod 20 to be in contact with the surface of the first shaft 1, the roller 23 cannot cause abrasion on the surfaces of the first shaft 1 and the second shaft 2, friction force is reduced, two brackets 22 are fixedly arranged on one side of the long rod 20 close to the second shaft 2, the roller 23 is arranged between the two brackets 22, the roller 23 is connected with the brackets 22 through a shaft rod, the outer wall surface of the second shaft 2 is provided with a clamping groove 24, the roller 23 and the two brackets 22 are both arranged in the clamping groove 24, and one end of the long rod 20 is conveniently moved away from the long rod 20 by the worker.

The inside threaded connection of second axis body 2 has a plurality of screws 30, a plurality of screw holes 31 have been seted up to first axis body 1 near second axis body 2 one side outer wall surface, screw 30 establish at screw hole 31 and with screw hole 31 threaded connection, make the connection between second axis body 2 and the first axis body 1 more firm.

The implementation scene is specifically as follows: when the second shaft body 2 and the first shaft body 1 are connected in place, the screw 30 between the second shaft body 2 and the first shaft body 1 is screwed down, so that the connection between the first shaft body 1 and the second shaft body 2 is firmer, the roller 23 on the long rod 20 is contacted with the outer wall of the first shaft body 1 in the process of slowly moving to the second shaft body 2 until the roller 23 slides to the second shaft body 2, when the roller 23 slides to the clamping groove 24 on the second shaft body 2, the spring 21 between the baffle 19 and the cylinder 18 generates reverse thrust, the roller 23 on the long rod 20 and the two brackets 22 are clamped together in the clamping groove 24, the connection between the protective cover 4 and the second shaft body 2 is improved, the stability of the protective cover 4 on the first shaft body 1 and the second shaft body 2 is improved, when the protective cover 4 is required to be disassembled from the first shaft body 1, the pull ring 25 on the long rod 20 is only required to drive the roller 23 to be moved out of the clamping groove 24, then the screw 30 between the second shaft body 2 and the first shaft body 1 is required to be opened, the gear 7 in the storage cavity 6 is required to be rotated again, and the first shaft body 1 is not required to be screwed down again, and the manual operation is not required to be convenient.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a take safety protection function's shaft coupling, includes first axis body (1) and second axis body (2), its characterized in that: the utility model discloses a novel electric energy storage device, including first axis body (1), second axis body (2) and second axis body (2), jack (3) has been seted up to one side of being close to second axis body (2), second axis body (2) establish in jack (3) and peg graft with jack (3), first axis body (1) and second axis body (2) outside cover are equipped with safety cover (4), two upper and lower symmetrical first spouts (5) have been seted up to first axis body (1) inside, storing chamber (6) have been seted up in first spout (5) outside, storing chamber (6) in the activity of storing chamber (6), first axis body (1) top and bottom outer wall surface, second axis body (2) top and bottom outer wall surface have all been seted up and have been moved groove (8), second spout (9) have been seted up to the inside of moving groove (8), second spout (9) are established in storing chamber (6) outside and are linked together with storing chamber (6), be equipped with first rack (10) in first spout (5), first rack (10) are established in the inside and are established in gear (7) and are equipped with rack (11) on second axis body (11), the connecting plate (12) is fixedly connected with the inner wall of the protective cover (4).

2. The coupling with safety protection function according to claim 1, wherein: a plurality of limiting holes (13) are formed in the inner wall surface of the jack (3), limiting blocks (14) are arranged in the limiting holes (13), and the limiting blocks (14) are fixedly arranged on the second shaft body (2).

3. The coupling with safety protection function according to claim 2, wherein: a plurality of connecting holes (15) are formed in the first shaft body (1), two adjacent limiting holes (13) are communicated through the connecting holes (15), an oil filling hole (16) is formed in the outer wall surface of the first shaft body (1), and sealing plugs (17) are connected with the inner threads of the oil filling hole (16).

4. The coupling with safety protection function according to claim 1, wherein: the novel anti-theft protection cover is characterized in that a cylinder body (18) is embedded in the protection cover (4), a partition plate (19) is arranged in the cylinder body (18) in a movable mode, the partition plate (19) is connected with the inner wall of the cylinder body (18) in a sliding mode, a long rod (20) is sleeved on the inner wall of the partition plate (19), one side of the long rod (20) penetrates through the cylinder body (18) and extends to the outer side of the cylinder body (18), a spring (21) is sleeved on the outer side of the long rod (20), one end of the spring (21) is fixedly arranged on the partition plate (19), two supports (22) are fixedly arranged on one side of the long rod (20) close to the second shaft body (2), a roller (23) is arranged between the two supports (22), the roller (23) is connected with the supports (22) through a shaft rod, a clamping groove (24) is formed in the outer wall surface of the second shaft body (2), and the roller (23) and the two supports (22) are all arranged in the clamping groove (24), and one end of the long rod (20) is fixedly provided with a pull ring (25) far from the cylinder body (18).

5. The coupling with safety protection function according to claim 1, wherein: the outer wall surface of the protective cover (4) is fixedly sleeved with a rubber sleeve (26), and a plurality of anti-slip convex blocks (27) are fixedly arranged on the surface of the rubber sleeve (26).

6. The coupling with safety protection function according to claim 1, wherein: two rubber strips (28) are fixedly arranged on the inner wall surfaces of the front side and the rear side of the inner cavity of the movable groove (8), and the inner walls of the rubber strips (28) are in contact with the surface of the connecting plate (12).

7. The coupling with safety protection function according to claim 1, wherein: the gear (7) is internally and fixedly provided with a rotating shaft (29), and the front end and the rear end of the rotating shaft (29) are connected with the inner wall of the storage cavity (6) through ball bearings.

8. The coupling with safety protection function according to claim 1, wherein: the novel high-speed gear is characterized in that a plurality of screws (30) are connected to the inner portion of the second shaft body (2) in a threaded mode, a plurality of threaded holes (31) are formed in the outer wall surface of one side, close to the second shaft body (2), of the first shaft body (1), and the screws (30) are arranged in the threaded holes (31) and are in threaded connection with the threaded holes (31).