Novel bearing adapter sleeve convenient to overhaul

Abstract

The utility model relates to the technical field of bearing adapter sleeves, in particular to a novel bearing adapter sleeve convenient to overhaul. According to the technical scheme, the device comprises a fastening bush, a gasket and a locking nut, a plurality of inserting holes are formed in the front surface of the gasket in an annular array at equal intervals, a plurality of stepped holes are formed in the front surface of the locking nut in an annular array at equal intervals, a sliding rod is slidably inserted into the stepped holes, and one end of the sliding rod is fixedly connected with a pull block; a limiting ring is fixedly installed on the side, away from the pull block, of the outer surface of the sliding rod, and a spiral spring is spirally wound around the position, between the limiting ring and the pull block, of the outer surface of the sliding rod. When the bearing adapter sleeve is overhauled, locking and fixing of the locking nut can be loosened conveniently, auxiliary tools such as a straight screwdriver are not needed, the locking nut can be disassembled conveniently, meanwhile, gasket teeth are omitted, the phenomenon that the gasket teeth are broken due to repeated bending in the overhauling process is avoided, and the service life of the gasket is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing tight set technical field, concretely is a new type bearing tight set convenient for overhauling. BACKGROUND

[0002] The bearing tight set is the most commonly used component when the bearing with the taper hole is positioned on the cylindrical shaft, the bearing sleeve can be used for the optical axis, also can be used for the stepped shaft, the tight set is composed of the tight bushing, the locking nut and the locking washer (or the locking card) and so on, its main function includes fixing the bearing, transmitting the torque, improving the transmission efficiency and the convenient bearing installation and disassembly.

[0003] The locking nut is locked and fixed by the washer teeth of the locking washer being bent and being inserted into the engagement groove on the outer surface of the locking nut in the current bearing tight set, the locking nut is prevented from loosening, but the bent washer is inconvenient to be bent out from the engagement groove in the process of disassembling and overhauling, often needs the aid of the flat screwdriver and so on, and the washer teeth are easily broken in the long-term repeated bending process, therefore, the utility model provides a new type bearing tight set convenient for overhauling. UTILITY MODEL CONTENTS

[0004] The utility model discloses a new type bearing tight set convenient for overhauling, has when overhauling the bearing tight set, the locking of locking nut is convenient to loosen and fix, need not use the flat screwdriver and so on auxiliary tool, then the disassembly of locking nut is convenient, also saves the washer teeth, avoids the washer teeth from breaking due to repeated bending in the process of overhauling, then prolongs the service life of washer, solves the problem that the locking nut is locked and fixed by the washer teeth of the locking washer being bent and being inserted into the engagement groove on the outer surface of the locking nut in the current bearing tight set, the locking nut is prevented from loosening, but the bent washer is inconvenient to be bent out from the engagement groove in the process of disassembling and overhauling, often needs the aid of the flat screwdriver and so on, and the washer teeth are easily broken in the long-term repeated bending process.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a new type bearing tight set convenient for overhauling, including tight bushing, washer and locking nut, the ring array equidistance of the washer front surface is provided with a plurality of insertion holes, the ring array equidistance of the locking nut front surface is provided with a plurality of stepped holes, the stepped hole inside is slidably connected with the slide rod, the slide rod one end is fixedly connected with the pull block, the slide rod outer surface is fixedly installed with the limit ring on the side away from the pull block, the spiral spring is spirally wound between the limit ring and the pull block on the slide rod outer surface, the locking nut front surface is located at each stepped hole position and is provided with the flat hole, the slide rod outer surface is fixedly installed with the limit rod close to the pull block position.

[0006] Preferably, the tight bushing outer surface is provided with a notch, the tight bushing outer surface is provided with external threads near one end, and the gasket inner wall is provided with a limiting lug.

[0007] Preferably, the lock nut front surface is provided with a slot at each step hole position, and the slot and the slot hole are perpendicular to each other.

[0008] Preferably, the lock nut outer surface is provided with a plurality of engagement grooves arranged at equal intervals in an annular array.

[0009] Preferably, the pull block outer surface is provided with an annular groove.

[0010] Preferably, the slide rod side away from the pull block is fixedly connected with a hemispherical head.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1、The utility model discloses a tight bushing, a gasket, a jack, a lock nut, a step hole, a slide rod, a spiral spring, a pull block and a slot hole are arranged, when the bearing tight bushing is overhauled, the lock nut is conveniently loosened and fixed, without using a slot screwdriver and other auxiliary tools, so that the lock nut is conveniently disassembled, and the gasket tooth is also saved, avoiding the gasket tooth from being broken due to repeated bending during the overhaul process, thereby prolonging the service life of the gasket, the tight bushing is sleeved on the shaft, the bearing, the gasket and the lock nut are all sleeved on the tight bushing, and the gasket is located between the bearing and the lock nut, the slide rod is pulled by the pull block, the slide rod end is inserted into the step hole, the limiting rod is slid out of the slot hole, the limiting rod and the slot hole are misaligned by rotating the slide rod, then the lock nut is rotated, the limiting rod is inserted into the slot hole by rotating the slide rod when the lock nut fixes the gasket and the bearing, the lock nut is finely adjusted, the slide rod end is inserted into the jack under the elastic force of the spiral spring to lock and fix the lock nut, and when disassembled, the slide rod end is inserted into the step hole by pulling the slide rod by the pull block, the limiting rod is slid out of the slot hole, the limiting rod and the slot hole are misaligned by rotating the slide rod, and the lock nut is unlocked and fixed.

[0013] 2、The utility model discloses a slot, which has the effect of limiting the limiting rod that is slid out of the slot hole, when the limiting rod is slid out of the slot hole, the limiting rod and the slot hole are misaligned by rotating the slide rod, and the limiting rod is inserted into the slot.

[0014] 3、The utility model discloses an annular groove, when the pull block is pulled, the fingers can be inserted into the annular groove to exert force better, and the slide rod is pulled by the pull block.

[0015] 4、The utility model discloses a hemisphere head, then in the process of the sliding rod end insertion into the insertion hole inside, the sliding rod end is inserted into the insertion hole inside, and it is more smooth. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the gasket partial three-dimensional structure schematic of the utility model;

[0018] Figure 3 It is the locking nut partial three-dimensional structure schematic diagram of the utility model;

[0019] Figure 4 It is the sliding rod partial three-dimensional structure schematic diagram of the utility model.

[0020] Reference signs: 1, tight bushing;2, slot;3, gasket;4, nut;5, external thread;6, limit lug;7, insertion hole;8, one type hole;9, one type recess;10, step hole;11, occlusion recess;12, sliding rod;13, hemisphere head;14, limit ring;15, spiral spring;16, pull block;17, annular recess;18, limit rod. DETAILED DESCRIPTION

[0021] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.

[0022] Embodiment one

[0023] As Figures 1-4As shown, the utility model provides a kind of novel bearing tight sleeve convenient to overhaul, including tight bushing 1, washer 3 and locking nut 4, the outer surface of tight bushing 1 is provided with notch 2, notch 2 extends to the both ends of tight bushing 1, the outer surface of tight bushing 1 is close to one end and is provided with external thread 5, washer 3 inner wall is provided with limit lug 6, washer 3 front surface is equidistant and is provided with several insertion holes 7 in annular array, locking nut 4 outer surface is equidistant and is provided with several engagement grooves 11 in annular array, by spanner and engagement groove 11 rotating nut 4, locking nut 4 front surface is equidistant and is provided with several ladder holes 10 in annular array, ladder hole 10 is slidably inserted with slide rod 12, one end of slide rod 12 is fixedly connected with pull block 16, limit ring 14 is fixedly installed on the side of slide rod 12 outer surface away from pull block 16, screw spring 15 is spirally wound between limit ring 14 and pull block 16 on the outer surface of slide rod 12, locking nut 4 front surface is provided with one-letter hole 8 at each ladder hole 10 position, limit rod 18 is fixedly installed on the outer surface of slide rod 12 close to pull block 16 position, and the outer surface of pull block 16 is provided with annular groove 17, when pulling pull block 16, finger can be inserted into the inside of annular groove 17, to facilitate better force, and slide rod 12 is pulled by pull block 16, and the side of slide rod 12 away from pull block 16 is fixedly connected with half ball head 13, so that the end of slide rod 12 is inserted into the inside of insertion hole 7.

[0024] The utility model in using, tight bushing 1 is sleeved on the shaft, bearing, washer 3 and locking nut 4 are all sleeved on tight bushing 1, and washer 3 is located between bearing and locking nut 4, limit lug 6 is located in the inside of notch 2, slide rod 12 is pulled by pull block 16, so that the end of slide rod 12 enters the inside of ladder hole 10, limit rod 18 slides out from the inside of one-letter hole 8 simultaneously, rotate slide rod 12 so that limit rod 18 and one-letter hole 8 are mutually staggered, then rotate locking nut 4, when locking nut 4 fixes washer 3 and bearing, rotate slide rod 12 so that limit rod 18 enters the inside of one-letter hole 8, then fine adjustment is carried out to locking nut 4, so under the elastic force of screw spring 15, the end of slide rod 12 is inserted into the inside of insertion hole 7, to lock and fix locking nut 4, and when disassembling, slide rod 12 is pulled by pull block 16, so that the end of slide rod 12 enters the inside of ladder hole 10, limit rod 18 slides out from the inside of one-letter hole 8 simultaneously, rotate slide rod 12 so that limit rod 18 and one-letter hole 8 are mutually staggered, so that the locking and fixing of locking nut 4 are released, to facilitate the disassembly of locking nut 4.

[0025] Example two

[0026] As Figures 1-4The utility model provides a novel bearing tight fixed sleeve convenient to overhaul, compared with embodiment one, this embodiment still includes that the front surface of locking nut 4 is located every step hole 10 position department and sets up a character type recess 9, and a character type recess 9 and a character type hole 8 are perpendicular to each other.

[0027] In the embodiment, when the limiting rod 18 slides out from the inside of the character type hole 8, the limiting rod 18 and the character type hole 8 are dislocated by rotating the sliding rod 12, and the limiting rod 18 enters the inside of the character type recess 9, thereby limiting the limiting rod 18 to prevent the rotation of the sliding rod 12.

[0028] The above specific embodiments are only several preferred embodiments of the utility model, and based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A new type of bearing lock bush convenient to overhaul, comprising a lock bushing (1), a gasket (3) and a lock nut (4), characterized in that: The gasket (3) front surface annular array equidistantly is separately provided with several insertion holes (7), the lock nut (4) front surface annular array equidistantly is separately provided with several stepped holes (10), the stepped hole (10) inside slidingly inserts the slide bar (12), one end of the slide bar (12) is fixedly connected with the pull block (16), the slide bar (12) outer surface is fixedly installed with the limit ring (14) on the side away from the pull block (16), the slide bar (12) outer surface is between the limit ring (14) and the pull block (16) and is spirally wound with the spiral spring (15), the lock nut (4) front surface is provided with the slot (8) at each stepped hole (10) position, the slide bar (12) outer surface is fixedly installed with the limit rod (18) on the position close to the pull block (16).

2. The new type bearing retainer sleeve convenient to overhaul according to claim 1, characterized in that: The tight bushing (1) outer surface is provided with the notch (2), the tight bushing (1) outer surface is provided with the external thread (5) close to one end, the gasket (3) inner wall is provided with the limit lug (6).

3. The new type bearing retainer sleeve convenient to overhaul according to claim 1, characterized in that: The lock nut (4) front surface is provided with the slot (9) at each stepped hole (10) position, and the slot (9) and the slot (8) are perpendicular to each other.

4. The new type bearing retainer sleeve convenient to overhaul according to claim 1, characterized in that: The lock nut (4) outer surface annular array equidistantly is separately provided with several occlusion grooves (11).

5. The new type bearing retainer sleeve convenient to overhaul according to claim 1, characterized in that: The pull block (16) outer surface is provided with the annular groove (17).

6. The new type bearing tight sleeve convenient to overhaul according to claim 1, characterized in that: The slide bar (12) is fixedly connected with the half ball head (13) on the side away from the pull block (16).

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