CN218787295U

CN218787295U - Low-noise intermediate shaft with good lubricating property

Info

Publication number: CN218787295U
Application number: CN202222820225.4U
Authority: CN
Inventors: 陈漪婷
Original assignee: Guangzhou Kexiong Precision Machinery Co ltd
Current assignee: Guangzhou Kexiong Precision Machinery Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-04-04
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a low noise formula jackshaft that lubricating property is good relates to auto-parts technical field, and this jackshaft aims at solving lubricating property not very good under the prior art, leads to the gear card to pause in the operation in-process to appear, produces certain noise simultaneously, influences the technical problem who uses. The middle shaft comprises a middle shaft body, a first gear arranged on the outer side of the middle shaft body, a limiting fixing sleeve arranged on the lower side of the first gear, and a first lubricating assembly arranged on the lower side of the limiting fixing sleeve; wherein, the detachable second gear of installing of spacing fixed cover downside, second gear downside is equipped with the third gear, and the third gear downside is equipped with gear anticreep subassembly, and first gear upside is equipped with the lubricated subassembly of second, and the lubricated subassembly downside of second is equipped with the opening, and opening evenly distributed is in the jackshaft body outside. This jackshaft is because the oil cake among the first lubrication assembly of frictional heating and the second lubrication assembly melts to lubricate three group's gears, lubricating property is good.

Description

Low-noise intermediate shaft with good lubricating property

Technical Field

The utility model belongs to the technical field of auto-parts, concretely relates to low noise formula jackshaft that lubricating property is good.

Background

The intermediate shaft is one of automobile parts, usually acts in the automobile gearbox, and is connected with other gears in the gearbox through meshing engagement of gears on the outer side of the intermediate shaft, so that different rotating speeds, torques and steering directions are formed, and the purpose of speed changing is achieved.

At present, the utility model discloses a patent number CN 202021833667.7's utility model discloses an intermediate shaft with multiple gear, including jackshaft, first gear, second gear, third gear, fourth gear, shaft shoulder, integral key shaft and axle head, the jackshaft from a left side to the right side first gear, second gear, third gear and fourth gear have set gradually for first gear, second gear, third gear and fourth gear have better meshing when meshing through carrying out optimal design to first gear, second gear, third gear and fourth gear tooth shape three-section length, guarantee the smooth and easy nature when the gear switches, solve the point corrosion wearing and tearing between the gear, beat tooth scheduling problem. However, the lubricating performance of the intermediate shaft in the scheme of the application is not good, the surface of the gear is easy to rust or wear to a certain degree after long-time use, so that the gear is blocked in the operation process, and certain noise is generated to influence the use.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Not enough to prior art, the utility model aims to provide a low noise formula jackshaft that lubricating property is good, this jackshaft aims at solving lubricating property poor under the prior art, leads to the gear to appear blocking the technical problem who pauses at the operation in-process.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a low-noise intermediate shaft with good lubricating performance, which comprises an intermediate shaft body, a first gear arranged outside the intermediate shaft body, a limiting fixed sleeve arranged on the lower side of the first gear, and a first lubricating component arranged on the lower side of the limiting fixed sleeve; wherein, the detachable second gear of installing of spacing fixed cover downside, second gear downside is equipped with the third gear, the third gear downside is equipped with gear anticreep subassembly, the first gear upside is equipped with the lubricated subassembly of second, the lubricated subassembly downside of second is equipped with the opening, opening evenly distributed is in the jackshaft body outside.

When the intermediate shaft of the technical scheme is used, the first gear is firstly installed on the outer side of the intermediate shaft body, the second lubricating component is installed at the position of the upper side of the first gear, the first lubricating component is firmly fixed on the intermediate shaft body through bolts, after the first lubricating component is fixed, the first lubricating component is placed on the second gear, or the first lubricating component is directly sleeved on the lower side of the limiting fixing sleeve from the lower side of the intermediate shaft body, the second gear is installed on the intermediate shaft body, the third gear is fixed, the intermediate shaft body is turned over, the gear anti-falling component is installed at the end part of the intermediate shaft body, after the whole intermediate shaft is installed, the whole intermediate shaft is placed at a proper position in an automobile gearbox, in the rotating process of the intermediate shaft body, due to friction heat generation, oil blocks in the first lubricating component and the second lubricating component are heated and melted and flow outwards along the intermediate shaft body, so that the first gear and the second gear are lubricated, oil in the second gear can flow to the third gear along the second gear to lubricate, the third gear, the effect that three groups of gears can be lubricated is achieved, and the lubricating performance is better; through the setting of first lubricated subassembly and the lubricated subassembly of second, at jackshaft body pivoted in-process, because the oil cake among the first lubricated subassembly of frictional heating and the lubricated subassembly of second melts, directly lubricate first gear and second gear, fluid meeting circulation to third gear department of second gear department, thereby lubricate three group's gears, the lubricating property is good, the condition that the card pause appears in the gear can be avoided, avoid producing too big noise, do not influence the use, and whole structure can dismantle, can make things convenient for later stage maintenance or change.

Furthermore, first lubrication assembly is including sealed pressure disk, sealed pressure disk downside is equipped with first lubricating oil piece, second gear upside seted up with the corresponding standing groove of first lubricating oil piece, through the setting of first lubricating oil piece and standing groove, can firmly fix first lubricating oil piece in the inboard of second gear.

Furthermore, the standing groove downside is equipped with the oil outlet, the jackshaft body outside is equipped with the parallel key, first lubricating oil piece sealed pressure disk the second gear with the third gear inboard all seted up with the corresponding draw-in groove of parallel key, through the setting of parallel key, can realize the location installation to first lubricating oil piece, sealed pressure disk, second gear and third gear.

Furthermore, the second lubrication assembly comprises a first fixing ring, the right side of the first fixing ring is provided with a second fixing ring corresponding to the first fixing ring, the first fixing ring is installed on the outer side of the intermediate shaft body through a bolt, and the first annular oil block and the second annular oil block can be sealed through the first fixing ring and the second fixing ring.

Furthermore, a first annular oil block is arranged on the inner side of the first fixing ring, a second annular oil block is arranged on the inner side of the second fixing ring, and the first annular oil block and the second annular oil block are heated and then melted, so that the first gear is lubricated.

Furthermore, the gear anti-disengaging assembly comprises an anti-disengaging base, a washer is arranged on the upper side of the anti-disengaging base, a high-strength bolt is arranged on the lower side of the anti-disengaging base, and the anti-disengaging base and the intermediate shaft body can be firmly fixed together through the high-strength bolt.

Furthermore, the outer side of the middle shaft body is provided with uniformly distributed pins, the inner side of each pin is provided with an elastic element capable of elastically stretching, the inner side of each first gear is provided with a groove corresponding to the corresponding pin, and the first gear can be conveniently fixed through the arrangement of the pins.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a jackshaft is through first lubricated subassembly and second lubricated subassembly's setting, at jackshaft body pivoted in-process, because the oil cake among the first lubricated subassembly of frictional heating and the lubricated subassembly of second melts, directly lubricate first gear and second gear, the fluid of second gear department can circulate to third gear department, thereby lubricate three group's gears, the lubricating property is good, can avoid the gear the condition that the card pauses appears, avoid producing too big noise, do not influence the use, and entire structure can dismantle, can make things convenient for later stage maintenance or change.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the intermediate shaft of the present invention;

FIG. 2 is a cross-sectional view of one embodiment of the intermediate shaft of the present invention;

fig. 3 is a schematic structural view of a second lubrication assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural view of the gear anti-disengagement assembly in one embodiment of the intermediate shaft of the present invention.

The symbols in the drawings are: 1. a middle shaft body; 2. a first gear; 3. a limiting fixing sleeve; 4. a first lubrication assembly; 5. a second gear; 6. a third gear; 7. the gear anti-falling component; 8. a second lubrication assembly; 9. a flow-through hole; 10. a pin; 11. an elastic element; 12. a flat bond; 13. a first retaining ring; 14. a second fixing ring; 15. a first annular oil cake; 16. a second annular oil cake; 17. a sealing pressure plate; 18. a first lube block; 19. a placement groove; 20. an oil outlet; 21. an anti-drop base; 22. a gasket; 23. high-strength bolt.

Detailed Description

The specific embodiment is a low-noise intermediate shaft with good lubricating property, the structural schematic diagram of which is shown in fig. 1, and the sectional view of which is shown in fig. 2, the intermediate shaft comprises an intermediate shaft body 1, a first gear 2 arranged on the outer side of the intermediate shaft body 1, a limiting fixing sleeve 3 arranged on the lower side of the first gear 2, and a first lubricating component 4 arranged on the lower side of the limiting fixing sleeve 3; second gear 5 is detachably installed to 3 downside of spacing fixed cover, 5 downside of second gear is equipped with

third gear

6, 6 downside of third gear is equipped with gear anticreep subassembly 7, 2 upsides of first gear are equipped with

second lubrication assembly

8, 8 downside of second lubrication assembly are equipped with opening 9, opening 9 evenly distributed is in the 1 outside of jackshaft body, the 1 outside of jackshaft body is equipped with evenly distributed's pin 10, pin 10 inboard is equipped with elastic element 11 that can elastically stretch out and draw back, 2 inboard recesses corresponding with pin 10 have been seted up to first gear.

The type and size of the pin 10 can be set as desired for this embodiment.

Wherein, first lubricating element 4 is including sealed pressure disk 17, sealed pressure disk 17 downside is equipped with first lubricating

oil piece

18, 5 upsides of second gear are seted up and are seted up with the corresponding standing groove 19 of first lubricating

oil piece

18, 19 downsides of standing groove are equipped with oil outlet 20, the 1 outside of jackshaft body is equipped with parallel key 12, first lubricating oil piece 18, sealed pressure disk 17, the draw-in groove corresponding with parallel key 12 has all been seted up to second gear 5 and third gear 6 inboard, second lubricating element 8 includes first solid fixed ring 13, first solid fixed ring 13 right side is equipped with the solid fixed ring 14 of second corresponding with first solid fixed ring 13, first solid fixed ring 13 and the solid fixed ring 14 of second pass through the bolt mounting in the 1 outside of jackshaft body, first solid fixed ring 13 inboard is equipped with first annular oil piece 15, gu fixed ring 14 inboard of second is equipped with second annular oil piece 16, gear anticreep subassembly 7 includes base 21, base 21 upside is equipped with packing ring 22, base 21 downside is equipped with high strength bolt 23. The types and specifications of the first gear 2, the second gear 5, and the third gear 6 may be set as needed.

The structure schematic diagram of the second lubricating component of the intermediate shaft is shown in fig. 3, and the structure schematic diagram of the gear anti-falling component of the intermediate shaft is shown in fig. 4.

It should be noted that the elastic element 11 is elastic, and its type and specification can be set as required.

When using this technical scheme's jackshaft, install first gear 2 in the outside of jackshaft body 1 earlier, then install second lubrication component 8 in the position of first gear 2 upside again, and firmly fix it on jackshaft body 1 with the bolt, after fixing, place first lubrication component 4 on second gear 5 again, or directly from the downside cover of jackshaft body 1 the downside at spacing fixed cover 3, then install second gear 5 on jackshaft body 1 again, fix third gear 6 again, then fall jackshaft body 1 over, install gear anticreep subassembly 7 at the tip of jackshaft body 1, after whole jackshaft is installed, put into the suitable position in the motor transmission again, in jackshaft body 1 pivoted in-process, because the friction thermogenesis, the oil cake in first lubrication component 4 and the second lubrication component 8 is heated and is melted, go out along jackshaft body 1, thereby lubricate first gear 2 and second gear 5, fluid of second gear 5 department can flow to third gear 6 department and reach the third gear 6, the lubrication performance of the third group gear 6 has all been reached, the lubrication performance of three groups.

Claims

1. A low-noise intermediate shaft with good lubricating performance comprises an intermediate shaft body, a first gear arranged on the outer side of the intermediate shaft body, a limiting fixed sleeve arranged on the lower side of the first gear, and a first lubricating assembly arranged on the lower side of the limiting fixed sleeve; its characterized in that, the detachable second gear of installing of spacing fixed cover downside, second gear downside is equipped with the third gear, the third gear downside is equipped with gear anticreep subassembly, the first gear upside is equipped with the lubricated subassembly of second, the lubricated subassembly downside of second is equipped with the opening, opening evenly distributed is in the jackshaft body outside.

2. The low-noise intermediate shaft with good lubricating performance according to claim 1, wherein the first lubricating assembly comprises a sealing pressure plate, a first lubricating oil block is arranged on the lower side of the sealing pressure plate, and a placing groove corresponding to the first lubricating oil block is formed in the upper side of the second gear.

3. The low-noise intermediate shaft with good lubricating performance according to claim 2, wherein an oil outlet is formed in the lower side of the placing groove, a flat key is formed in the outer side of the intermediate shaft body, and clamping grooves corresponding to the flat key are formed in the inner sides of the first lubricating oil block, the sealing pressure plate, the second gear and the third gear.

4. The low-noise intermediate shaft with good lubricating performance according to claim 3, wherein the second lubricating assembly comprises a first fixing ring, a second fixing ring corresponding to the first fixing ring is arranged on the right side of the first fixing ring, and the first fixing ring and the second fixing ring are mounted on the outer side of the intermediate shaft body through bolts.

5. The low-noise countershaft according to claim 4, wherein a first annular oil pad is provided inside the first fixing ring and a second annular oil pad is provided inside the second fixing ring.

6. The low-noise intermediate shaft with good lubricating performance according to claim 5, wherein the gear anti-disengaging assembly comprises an anti-disengaging base, a washer is arranged on the upper side of the anti-disengaging base, and a high-strength bolt is arranged on the lower side of the anti-disengaging base.

7. The low-noise countershaft according to claim 6, wherein pins are evenly distributed on an outer side of the countershaft body, an elastically stretchable elastic element is arranged on an inner side of each pin, and a groove corresponding to each pin is formed on an inner side of the first gear.