CN218235850U

CN218235850U - Wear-resisting axle sleeve of nylon

Info

Publication number: CN218235850U
Application number: CN202222746188.7U
Authority: CN
Inventors: 吴金龙; 张伟
Original assignee: Tianjin Hongchang Mould Electromechanical Co ltd
Current assignee: Tianjin Hongchang Mould Electromechanical Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-01-06
Anticipated expiration: 2032-10-19

Abstract

The utility model is suitable for an axle sleeve technical field discloses a wear-resisting axle sleeve of nylon, the inside oil extraction chamber of having all seted up in axle sleeve both ends, and the mounting groove has all been seted up at every oil extraction chamber outside top, and the inside middle-end fixed mounting in every mounting groove has the gas-supply pipe, and the gas-supply pipe bottom is linked together with oil extraction chamber top, and the gas collecting tank has all been seted up to axle sleeve outside both ends inside, and the gas collecting tank is linked together with the gas-supply pipe, and every equal slidable mounting in oil storage chamber inboard has the piston board. The utility model discloses technical scheme is under the effect of pressure for the closing plate removes and produces the extrusion force to its inside lubricating oil of storing up oil intracavity portion under the effect of telescopic link and push spring thereupon, makes lubricating oil can be extruded to arranging the oil cavity inside through defeated oil pipe and fills the processing, and then keeps the existence of lubricating oil and avoids the too big axle sleeve that leads to of frictional force to take place wearing and tearing when guaranteeing that axostylus axostyle and axle sleeve inner wall contact throughout, further prolongs the life of axle sleeve.

Description

Wear-resisting axle sleeve of nylon

Technical Field

The utility model is suitable for a shaft sleeve technical field, in particular to wear-resisting axle sleeve of nylon.

Background

At present, a shaft sleeve is a cylindrical mechanical part sleeved on a rotating shaft and is a component of a sliding bearing, and due to the self wear-resistant advantage of a nylon material, the shaft sleeve is also often used as a raw material for manufacturing the shaft sleeve.

However, at present, nylon shaft sleeves are used, when the nylon shaft sleeves are sleeved on the surface of a rotating shaft rod for use, corresponding lubricating oil needs to be coated on the contact surface of the nylon shaft sleeves and the shaft rod to reduce the friction force generated by contact, and because the shaft sleeves and the shaft rod can generate a large amount of heat during contact friction, the lubricating oil is evaporated and reduced, at present, when the lubricating oil is added, the lubricating oil can only be coated after the nylon shaft sleeves are detached from the surface of the shaft rod, the whole operation flow is too complicated, and the lubricating oil is very easily added in time, so that the shaft sleeves are abraded to influence subsequent use. Therefore, a nylon wear-resistant shaft sleeve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a wear-resisting axle sleeve of nylon can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a wear-resisting axle sleeve of nylon, includes the axostylus axostyle, the axle sleeve has been cup jointed on axostylus axostyle outside surface, the inside oil storage chamber that has all seted up in axle sleeve side both ends, the inside oil extraction chamber that has all seted up in axle sleeve both ends, every the mounting groove has all been seted up at oil extraction chamber outside top, every the inside middle-end fixed mounting in mounting groove has the gas-supply pipe, and the gas-supply pipe bottom is linked together with oil extraction chamber top, the inside gas collecting tank that has all seted up in axle sleeve outside both ends, and the gas collecting tank is linked together, every with the gas-supply pipe the equal slidable mounting in oil storage chamber inboard has a piston board, every the equal fixed mounting in oil storage chamber inboard both ends surface has a telescopic link, every the equal activity in telescopic link outside top has cup jointed the promotion spring, and telescopic link outside top is fixed with piston board bottom and is connected.

Through adopting above-mentioned technical scheme, through defeated oil pipe with multiunit oil extraction chamber intercommunication each other and the closing plate thereupon remove at oil storage intracavity portion under the effect of telescopic link and promotion spring for the inside lubricating oil of oil storage intracavity portion can be extruded to oil extraction intracavity portion through defeated oil pipe and fill the processing.

As an alternative scheme of this application technical scheme, every two sets of all fixed intercommunication has the blast pipe between the gas collecting channel side middle-end, and the blast pipe side is linked together with the oil storage chamber side, every two sets of all the intercommunication has defeated oil pipe between the oil extraction chamber side middle-end, and defeated oil pipe side and oil storage chamber bottom are linked together.

Through adopting above-mentioned technical scheme, guarantee the injection filling automaticity of lubricating oil through the intercommunication effect of blast pipe and defeated oil pipe.

As an alternative scheme of this application technical scheme, every oil storage chamber side bottom all fixes the intercommunication and has the oiling groove.

Through adopting above-mentioned technical scheme, the structure effect through the oiling groove and make things convenient for the operator to carry out lubricating oil filling processing to the oil storage intracavity portion from the outside.

As an alternative scheme of the technical scheme, the middle end of each gas conveying pipe is fixedly communicated with a one-way valve.

By adopting the technical scheme, the unidirectional flowing inside the gas transmission pipe is ensured through the structural action of the one-way valve.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model provides a wear-resisting axle sleeve of nylon, when arranging oil chamber intercommunication each other through defeated oil pipe, be linked together with oil storage chamber inboard again, and then can arrange the inside accumulational lubricating oil of injecting into in advance of oil chamber and paint to the axostylus axostyle surface and when leading to the lubricated oil mass to reduce, arrange the pressure in oil intracavity portion and reduce the back, thereupon under the effect of pressure, make the closing plate remove in oil storage intracavity portion and produce the extrusion force to its inside lubricating oil of storing thereupon under the effect of telescopic link and promotion spring, make lubricating oil can be extruded to arranging oil intracavity portion through defeated oil pipe and fill the processing, and then guarantee the existence of keeping lubricating oil throughout when axostylus axostyle contacts with the axle sleeve inner wall and avoid the too big axle sleeve of frictional force to take place wearing and tearing, further prolong the life of axle sleeve.

2. The utility model provides a wear-resisting axle sleeve of nylon is provided with corresponding check valve through end in the blast pipe, under the effect of check valve for the inside lubricating oil that is extruded and store of oil extraction chamber can not arbitrary remove to the gas collecting tank inside and influence subsequent lubricated effect of paining.

Drawings

Fig. 1 is an overall front sectional structural diagram of the nylon wear-resistant shaft sleeve of the present invention;

fig. 2 is an enlarged structural schematic view of a part a of the nylon wear-resistant shaft sleeve of the present invention;

fig. 3 is the utility model relates to a nylon wear-resisting axle sleeve's whole structure schematic diagram that looks sideways.

Reference numerals: 1. a shaft lever; 2. a shaft sleeve; 21. an oil storage chamber; 22. an exhaust pipe; 23. an oil delivery pipe; 24. an oil discharge cavity; 25. a gas collecting tank; 26. mounting grooves; 27. a gas delivery pipe; 28. a one-way valve; 3. a telescopic rod; 31. a piston plate; 32. a push spring; 4. and an oil injection groove.

Detailed Description

As shown in fig. 1-3, the utility model provides a technical solution: a nylon wear-resistant shaft sleeve comprises a shaft rod 1, a shaft sleeve 2 is sleeved on the outer side surface of the shaft rod 1, the shaft sleeve 2 is made of nylon materials and improves wear resistance, oil storage cavities 21 are formed in the side edges of the shaft sleeve 2 close to the two ends of the shaft rod 1, lubricating oil is conveniently stored quantitatively, so that an operator only needs to add the lubricating oil in the oil storage cavities 21 regularly, oil discharge cavities 24 are formed in the two ends of the shaft sleeve 2 close to the shaft rod 1, the number of the oil discharge cavities 24 is a plurality of groups, the lubricating oil accumulated in the oil discharge cavities 24 can be smeared on the surface of the lubricating oil when the shaft rod 1 rotates, an oil conveying pipe 23 is transversely communicated between the middle ends of the side edges of each two groups of oil discharge cavities 24, the side edges of the oil conveying pipe 23 are communicated with the bottom of the oil storage cavities 21, and the lubricating oil accumulated in the oil storage cavities 21 can be sequentially filled into the oil discharge cavities 24, the top of the outer side of each oil discharge cavity 24 is vertically provided with a mounting groove 26, the mounting groove 26 is positioned inside the shaft sleeve 2, the middle end inside each mounting groove 26 is fixedly provided with an air pipe 27, the bottom of the air pipe 27 is communicated with the top of the oil discharge cavity 24, after lubricating oil is extruded and injected into the oil discharge cavity 24, the lubricating oil can be discharged and smeared on the surface of the shaft rod 1 under the action of air pressure, the inner parts of the two ends of the outer side of the shaft sleeve 2 are respectively provided with an air collecting groove 25, the air collecting grooves 25 are communicated with the air pipes 27, an exhaust pipe 22 is fixedly communicated between the middle ends of the side edges of each two groups of air collecting grooves 25, the side edges of the exhaust pipes 22 are communicated with the side edges of the oil storage cavities 21, the inner sides of each oil storage cavity 21 are transversely and slidably provided with a piston plate 31, the side edges of the piston plate 31 are slidably attached to the surface of the inner side wall of the oil storage cavity 21, and the piston plate 31 can extrude the lubricating oil accumulated inside the oil storage cavity 21 after vertical movement so as to accelerate the discharge and the conveying speed thereof, the surface of the two ends of the inner side of each oil storage cavity 21 is fixedly provided with a telescopic rod 3, and the top end of the outer side of each telescopic rod 3 is fixedly connected with the bottom of the piston plate 31.

In the technical scheme (shown in fig. 1, 2 and 3), the top end of the outer side of each telescopic rod 3 is movably sleeved with a pushing spring 32, and the piston plate 31 can be restored to the position after moving under the action of the pushing springs 32 to ensure the normal injection of lubricating oil.

In the technical scheme (as shown in fig. 1, 2 and 3), the bottom of the right side edge of each oil storage cavity 21 is fixedly communicated with an oil filling groove 4, and an operator can conveniently fill lubricating oil into the oil storage cavity 21 for filling treatment through the structural action of the oil filling groove 4.

In the present technical solution (as shown in fig. 1, 2 and 3), the middle end of each air pipe 27 is fixedly communicated with a check valve 28, so that the lubricating oil squeezed and stored in the oil discharge chamber 24 cannot move to the inside of the air collecting channel 25 arbitrarily to affect the subsequent smearing lubrication action under the action of the check valve 27.

When the lubricating oil anti-leakage device works, lubricating oil required to be used is injected into the oil storage cavity 21 through the injection groove 4, the corresponding sealing plug is inserted into the injection groove 4 to perform sealing anti-leakage treatment, the piston plate 31 moves outwards in the oil storage cavity 21 under the extrusion of the lubricating oil, and then the lubricating oil is reduced when the lubricating oil between the piston plate and the shaft sleeve 2 is evaporated due to heat generated by friction between the shaft rod 1 and the outer part of the shaft sleeve 2 in the rotation process of the shaft rod 1, so that the lubricating oil stored in the oil discharge cavity 24 is reduced, the pressure in the oil discharge cavity 24 is reduced, then the sealing plate 31 moves in the oil storage cavity 21 under the action of the telescopic rod 3 and the pushing spring 32 to generate extrusion force on the lubricating oil stored in the oil storage cavity 21, the lubricating oil accumulated in the oil storage cavity 21 can be extruded into the oil discharge cavity 24 through the oil conveying pipe 23 to perform filling treatment, and then the lubricating oil accumulated in the oil discharge cavity 24 can be coated on the surface of the lubricating oil, and further the contact surface between the shaft rod 1 and the inner wall of the shaft sleeve 2 is kept to exist lubricating oil all the time.

Claims

1. The utility model provides a wear-resisting axle sleeve of nylon, includes axostylus axostyle (1), its characterized in that: the outer side surface of the shaft lever (1) is sleeved with a shaft sleeve (2), and oil storage cavities (21) are formed in the two ends of the side edge of the shaft sleeve (2);

oil discharge cavities (24) are formed in the two ends of the shaft sleeve (2), mounting grooves (26) are formed in the top of the outer side of each oil discharge cavity (24), an air conveying pipe (27) is fixedly mounted at the middle end of the inside of each mounting groove (26), the bottom of each air conveying pipe (27) is communicated with the top of each oil discharge cavity (24), air collecting grooves (25) are formed in the two ends of the outer side of the shaft sleeve (2), and each air collecting groove (25) is communicated with each air conveying pipe (27);

every equal slidable mounting in oil storage chamber (21) inboard has piston plate (31), every the equal fixed mounting in oil storage chamber (21) inboard both ends surface has telescopic link (3), and telescopic link (3) outside top and piston plate (31) bottom fixed connection.

2. The nylon wear-resistant bushing according to claim 1, wherein: every two sets of all fixed intercommunication has blast pipe (22) between gas collecting tank (25) side middle-end, and blast pipe (22) side and oil storage chamber (21) side are linked together, every two sets of all intercommunication has defeated oil pipe (23) between oil extraction chamber (24) side middle-end, and defeated oil pipe (23) side and oil storage chamber (21) bottom are linked together.

3. The nylon wear-resistant bushing according to claim 1, wherein: and the top end of the outer side of each telescopic rod (3) is movably sleeved with a pushing spring (32).

4. The nylon wear-resistant shaft sleeve as claimed in claim 1, wherein: and the bottom of the side edge of each oil storage cavity (21) is fixedly communicated with an oil filling groove (4).

5. The nylon wear-resistant bushing according to claim 1, wherein: the middle end of each air delivery pipe (27) is fixedly communicated with a one-way valve (28).