CN218063341U

CN218063341U - Smooth-rotation anti-drop gear shaft

Info

Publication number: CN218063341U
Application number: CN202221022024.3U
Authority: CN
Inventors: 曾喜雷
Original assignee: Yuhuan Lianyi Machinery Co ltd
Current assignee: Yuhuan Lianyi Machinery Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-12-16
Anticipated expiration: 2032-04-29

Abstract

The utility model provides a smooth anti-drop gear shaft rotates belongs to main shaft technical field. The utility model provides a smooth anti-drop gear shaft rotates, includes integrated into one piece's gear shaft, its characterized in that: the gear shaft is divided into a large cylinder and a small cylinder, wherein a bearing is sleeved on the large cylinder, a gear and a lubricating assembly are sleeved on the small cylinder, and the lubricating assembly is positioned between the gear and the bearing; at least two recesses have been seted up to gear shaft little cylindrical periphery side, every it is equipped with the butt sloping block to slide in the recess, the butt sloping block with the spring has been linked firmly between the spout inner wall, the utility model discloses a setting of butt sloping block makes butt sloping block butt gear avoid the gear to produce great axial motion to lead to the gear to break away from, still can get rid of the bearing through the nozzle to the lubricating oil that flows when the gear shaft rotates in, thereby increase bearing's rotation smoothness nature.

Description

Smooth-rotation anti-drop gear shaft

Technical Field

The utility model belongs to the main shaft field especially relates to a smooth anti-drop gear shaft rotates.

Background

The gear shaft refers to a mechanical part which supports a rotating part and rotates together with the rotating part to transfer motion, torque or bending moment, and can generate certain vibration during operation, so that the gear can vibrate axially to fall off to influence the normal operation of the gear, and meanwhile, when a bearing on the gear shaft operates for a long time, lubricating oil is consumed quickly, so that the normal operation time of the gear can be shortened.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide a smooth anti-drop gear shaft rotates.

In order to achieve the above object, the present invention provides an anti-drop gear shaft with smooth rotation, including an integrally formed gear shaft, wherein the gear shaft is divided into a large cylinder and a small cylinder, wherein the large cylinder is sleeved with a bearing, the small cylinder is sleeved with a gear and a lubricating component, and the lubricating component is located between the gear and the bearing;

at least two grooves are formed in the peripheral side of the gear shaft small cylinder, a butt inclined block is arranged in each groove in a sliding mode, and a spring is fixedly connected between each butt inclined block and the inner wall of each groove.

An oil cavity is formed in the lubricating assembly, a sliding cavity is formed in one side end face, close to the gear, of the lubricating assembly, the sliding cavity is communicated with the oil cavity, a directional cavity is formed in one side, close to the bearing, of the lubricating assembly, the directional cavity is communicated with the sliding cavity, the side end face, close to the bearing, of the lubricating assembly is movably connected with a nozzle, the nozzle is located at the position of the directional cavity, a sealing rod is connected in the sliding cavity in a sliding mode, and a T-shaped groove is formed in the outer peripheral side of the sealing rod.

Optionally, a key groove is formed in the outer peripheral side of the small cylinder of the gear shaft, the key groove is located on one side, close to the lubricating assembly, of the abutting inclined block, a pin key and an elastic block are detachably arranged in the key groove, and the elastic block is located on one side, far away from the abutting inclined block, of the pin key.

Optionally, the end face of one side of the abutting inclined block, which is far away from the central line of the gear shaft, is an inclined plane.

Optionally, the inner wall of the gear is provided with a notch, and the notch corresponds to the key groove.

Optionally, the material of the elastic block may be at least one of latex and resin.

Optionally, the diameter of the lubricating assembly is smaller than that of the bearing, the oil cavity is in a long arc shape, and the directional cavity is obliquely arranged in a direction far away from the central line of the gear shaft.

To sum up, compared with the prior art, the utility model has the following beneficial effects:

1. due to the arrangement of the abutting inclined block, the gear can be prevented from generating large axial movement by abutting the gear through the abutting inclined block, and therefore the gear is separated.

2. The T-shaped groove in the sealing rod is communicated with the oil cavity through slight axial movement of the gear, and lubricating oil in the oil cavity is extruded under the action of centripetal force.

3. Due to the arrangement of the lubricating assembly, when the gear shaft rotates, the flowing lubricating oil can be thrown into the bearing through the nozzle by the obliquely arranged directional cavity, so that the rotating smoothness of the bearing is improved.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 isbase:Sub>A cross-sectional view taken along the linebase:Sub>A-base:Sub>A of fig. 2 according to the present invention.

Fig. 4 is a cross-sectional view taken along the direction B-B in fig. 2 according to the present invention.

Fig. 5 is a perspective view of the sealing rod of the present invention.

10. A gear shaft; 11. a gear; 12. a lubrication assembly; 13. a load bearing; 14. abutting against the inclined block; 15. A pin key; 16. a sealing rod; 17. a nozzle; 18. an oil chamber; 19. a directional cavity; 20. an elastic block.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the figure in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.

As shown in the figures 1-5, an anti-drop gear shaft that rotates smoothly includes integrated into one piece's gear shaft 10, gear shaft 10 divides into big cylinder and small circle post two parts, at least two recesses have been seted up to the little cylindricality of gear shaft 10, every it is equipped with butt sloping block 14 to slide in the recess, a side terminal surface that the butt sloping block 14 kept away from the gear shaft 10 central line sets up for the inclined plane, the butt sloping block 14 with linked firmly the spring between the recess inner wall, through the setting of butt sloping block 14, make gear 11 after the installation, make it blocked between butt sloping block 14 and key 15, can effectually prevent that gear 11 from producing great endwise slip to lead to gear 11 landing, the small circle cylindricality periphery side of gear shaft 10 has seted up the keyway, the keyway is located butt sloping block 14 is close to one side of lubricating component 12, a pin key 15 and an elastic block 20 are detachably arranged in the key groove, the elastic block 20 is positioned on one side, away from the abutting inclined block 14, of the pin key 15, the elastic block 20 can be made of at least one of latex and resin, the gear 11 can be limited through the pin key 15, rotation of the gear 11 is avoided, and accordingly power cannot be transmitted, the elastic block 20 can buffer the pin key 15 and can enable the gear 11 to slightly slide, a bearing 13 is sleeved on the large cylinder, the gear 11 and a lubricating assembly 12 are sleeved on the small cylinder, a notch is formed in the inner wall of the gear 11 and corresponds to the key groove, and the lubricating assembly 12 is positioned between the gear 11 and the bearing 13;

the diameter of the lubricating component 12 is smaller than that of the bearing 13, an oil cavity 18 is formed in the lubricating component 12, the oil cavity 18 is arranged in a long arc shape, a sliding cavity is formed in one side end face, close to the gear 11, of the lubricating component 12, the sliding cavity is communicated with the oil cavity 18, a directional cavity 19 is formed in one side, close to the bearing 13, of the lubricating component 12, the directional cavity 19 is obliquely arranged in a direction far away from the central line of the gear shaft 10, the directional cavity 19 is communicated with the sliding cavity, and a nozzle 17 is movably connected to one side end face, close to the bearing 13, of the lubricating component 12, the nozzle 17 is located at the position of the directional cavity 19, the sealing rod 16 is connected in the sliding cavity in a sliding mode, a T-shaped groove is formed in the outer peripheral side of the sealing rod 16, the sealing rod 16 can just block the communication position of the oil cavity 18 and the sliding cavity, the gear 11 moves to drive the sealing rod 16 to move towards the position close to the bearing 13, the T-shaped groove in the sealing rod 16 is communicated with the inside of the oil cavity 18, lubricating oil in the oil cavity 18 flows out through the T-shaped groove, and the lubricating component 12 rotates, so that the flowing lubricating oil can be thrown into the bearing 13 through the nozzle 17 through the obliquely arranged directional cavity 19, and the rotating fluency of the bearing 13 is improved.

When the gear 11 is used, the sealing rod 16 is inserted into the sliding cavity, the pin key 15 and the elastic block 20 are placed in the key groove, the sealing rod 16 is adhered to the pin key 15 and can move synchronously, finally, the gear 11 is installed, the gear 11 can enable the notch of the abutting inclined block 14 to be matched with the pin key 15 by extruding the abutting inclined block 14, the abutting inclined block 14 and the pin key 15 can abut against the gear 11 at the moment, the gear 11 is prevented from generating large axial movement, so that the gear 11 is separated, the pin key 15 can limit the gear 11, the gear 11 is prevented from rotating to influence the transmission of power, when the gear 11 generates slight axial movement, the elastic block 20 is extruded through the pin key 15 to drive the sealing rod 16 to move towards the side close to the bearing 13, so that a T-shaped groove in the sealing rod 16 is communicated with the oil cavity 18, lubricating oil in the oil cavity 18 is extruded out under the action of centripetal force, then the pin key 15 can drive the sealing rod 16 to reset under the elastic action of the elastic block 20, the oil cavity 18 is closed, continuous leakage of the lubricating oil is avoided, the use time of the lubricating oil can be prolonged, the extruded lubricating oil is limited by the obliquely arranged directional cavity 19 through the rotating centripetal force, and is thrown out towards one side close to the bearing 13 through the nozzle 17, so that the bearing 13 can be lubricated, and the rotation fluency of the bearing 13 is improved.

It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a smooth anti-drop gear shaft rotates, includes integrated into one piece's gear shaft (10), its characterized in that: the gear shaft (10) is divided into a large cylinder and a small cylinder, wherein a bearing (13) is sleeved on the large cylinder, a gear (11) and a lubricating component (12) are sleeved on the small cylinder, and the lubricating component (12) is positioned between the gear (11) and the bearing (13);

at least two grooves are formed in the outer peripheral side of a small cylinder of the gear shaft (10), a butting inclined block (14) is arranged in each groove in a sliding mode, and a spring is fixedly connected between the butting inclined block (14) and the inner wall of each groove;

an oil cavity (18) is formed in the lubricating assembly (12), the lubricating assembly (12) is close to a sliding cavity is formed in one side end face of the gear (11), the sliding cavity is communicated with the oil cavity (18), the lubricating assembly (12) is close to a directional cavity (19) is formed in one side of the bearing (13), the directional cavity (19) is communicated with the sliding cavity, the lubricating assembly (12) is close to a side end face of the bearing (13) and is movably connected with a nozzle (17), the nozzle (17) is located at the directional cavity (19), a sealing rod (16) is connected in the sliding cavity in a sliding mode, and a T-shaped groove is formed in the outer peripheral side of the sealing rod (16).

2. The slip-off preventing gear shaft smooth in rotation according to claim 1, wherein: a key groove is formed in the outer peripheral side of a small cylinder of the gear shaft (10), the key groove is located on one side, close to the lubricating assembly (12), of the abutting inclined block (14), a pin key (15) and an elastic block (20) are detachably arranged in the key groove, and the elastic block (20) is located on one side, far away from the abutting inclined block (14), of the pin key (15).

3. The slip-off preventing gear shaft smooth in rotation according to claim 1, wherein: the end face of one side, away from the central line of the gear shaft (10), of the abutting inclined block (14) is arranged in an inclined plane.

4. The slip-off preventing gear shaft smooth in rotation according to claim 2, wherein: the inner wall of the gear (11) is provided with a notch, and the notch corresponds to the key groove.

5. The slip-off preventing gear shaft smooth in rotation according to claim 2, wherein: the material of the elastic block (20) can be at least one of latex and resin.

6. The smooth-rotation anti-drop gear shaft according to claim 1, wherein: the diameter of the lubricating component (12) is smaller than that of the bearing (13), the oil cavity (18) is in a long arc shape, and the directional cavity (19) is obliquely arranged in a direction far away from the central line of the gear shaft (10).