Built-in thread adjustable composite bearing

Abstract

The utility model relates to the technical field of composite bearings, and particularly discloses a built-in thread adjustable composite bearing which comprises a bearing body, a connecting shaft and a supporting shaft are sleeved in the bearing body, a second abutting plate is fixedly connected to the right end of the supporting shaft, a first abutting plate is fixedly connected to the left end of the connecting shaft, and a supporting plate is arranged at the right end of the second abutting plate. The supporting plate, the second abutting plate, the supporting shaft, the connecting shaft and the first abutting plate are fixedly connected through screws, wrench holes are formed in the right end faces of the screws, and through holes are formed in the right end faces of the supporting plate, the second abutting plate, the supporting shaft, the connecting shaft and the first abutting plate from right to left. According to the utility model, the connecting shaft is sleeved on the inner wall of the bearing body, then the supporting shaft is sleeved from the other end of the bearing body, and then the supporting plate, the second propping plate, the supporting shaft, the connecting shaft and the first propping plate are sequentially penetrated through the screw, so that the supporting plate can be fixed on one side of the bearing body; and meanwhile, the problem that the screws are possibly in contact with the side rollers in the mounting or adjusting process can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of composite bearing, concretely relates to a built-in screw adjusting type composite bearing. BACKGROUND

[0002] Bearing is a very important part in mechanical equipment, its main function is to support mechanical rotating body, to reduce the mechanical load friction coefficient in the transmission process of equipment; bearing can be divided into two categories: rolling bearing and sliding bearing.

[0003] In the traditional built-in screw adjusting type composite bearing technology, the screw is usually arranged at the middle position of the side roller support group through the external thread; this design has several technical defects: the screw may contact the side roller during installation or adjustment, which not only increases the complexity of assembly, but also may damage the side roller and affect its normal operation. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a built-in screw adjusting type composite bearing to solve the problem that the screw may contact the side roller during installation or adjustment in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A built-in screw adjusting type composite bearing, comprising a bearing body, a connecting shaft and a supporting shaft are sleeved in the bearing body, a second abutting plate is fixedly connected to the right end of the supporting shaft, a first abutting plate is fixedly connected to the left end of the connecting shaft, a support plate is arranged at the right end of the second abutting plate, the support plate, the second abutting plate, the supporting shaft, the connecting shaft and the first abutting plate are fixedly connected through a screw, and a wrench hole is formed in the right end face of the screw.

[0007] Preferably, a through hole is formed in the right end face of the support plate, the second abutting plate, the supporting shaft, the connecting shaft and the first abutting plate from right to left, the through holes in the support plate, the second abutting plate, the supporting shaft, the connecting shaft and the first abutting plate are coaxial, and a built-in thread is arranged on the inner wall of the through hole in the connecting shaft and the first abutting plate.

[0008] Preferably, the screw penetrates the support plate, the second abutting plate, the supporting shaft, the connecting shaft and the first abutting plate from right to left in sequence, and the screw is engaged with the built-in thread.

[0009] Preferably, the bearing body comprises a bearing outer ring and a bearing inner ring, a ball is arranged between the bearing inner ring and the bearing outer ring, the first abutting plate is located at the front end of the bearing inner ring and abuts against the bearing inner ring, and the second abutting plate is located at the rear end of the bearing inner ring and abuts against the bearing inner ring.

[0010] Preferably, the bearing inner ring is internally fixedly connected with a limiting block, the connecting shaft and the support shaft are both provided with a limiting groove, and the limiting block is internally and slidably connected with the limiting groove.

[0011] Preferably, the connecting shaft is fixedly connected with a bolt at the rear end, and the support shaft is provided with a bolt hole at the front end, and the rear end of the bolt is internally located in the bolt hole.

[0012] Preferably, the second resisting plate is fixedly connected with a limiting rod at the rear end, the support plate is provided with a limiting hole at the front end, the rear end of the limiting rod is internally penetrated into the limiting hole, and the support plate is fixedly connected with a fixing bolt at the rear end.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model discloses a connecting shaft, a first resisting plate, a support shaft, a second resisting plate and a screw are cooperated, the connecting shaft and the support shaft are stably positioned in the bearing inner ring, the first resisting plate and the second resisting plate are designed to fix the bearing inner ring, the screw is prevented from contacting the side roller during installation or adjustment, and a series of stability and reliability problems are solved.

[0015] 2. The utility model discloses a limiting rod is inserted into the limiting hole, the interaction between the support plate and the second resisting plate is enhanced, the screw is prevented from bending or breaking due to the excessive shearing force between the support plate and the second resisting plate, and the service life of the screw is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole main view structural schematic diagram of the utility model;

[0017] Figure 2 It is the whole right view cross section plane structural schematic diagram of the utility model;

[0018] Figure 3 It is the connecting shaft and the support shaft explosion structural schematic diagram of the utility model;

[0019] Figure 4 It is the bearing body and the support plate explosion structural schematic diagram of the utility model.

[0020] In the figure: 1, bearing body; 11, bearing outer ring; 12, bearing inner ring; 13, ball; 14, limit block; 2, connecting shaft; 21, bolt; 22, built-in thread; 3, support shaft; 31, insertion hole; 4, first stop plate; 5, second stop plate; 51, limit rod; 6, support plate; 61, limit hole; 62, fixing bolt; 7, limit groove; 8, through hole; 9, screw; 91, wrench hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Referring to Figures 1-4 The utility model provides a kind of built-in thread adjusting type composite bearing, including bearing body 1, bearing body 1 inside sleeve joint has connecting shaft 2 and support shaft 3, support shaft 3 right end is fixedly connected with second stop plate 5, connecting shaft 2 left end is fixedly connected with first stop plate 4, second stop plate 5 right end is provided with support plate 6, support plate 6, second stop plate 5, support shaft 3, connecting shaft 2 and first stop plate 4 are fixedly connected by screw 9, screw 9 right end surface is provided with wrench hole 91;When working, by connecting shaft 2 sleeveing in bearing body 1 inner wall, at this time support shaft 3 is sleeved from the other end of bearing body 1, then by screw 9 in order to penetrate support plate 6, second stop plate 5, support shaft 3, connecting shaft 2 and first stop plate 4, to be able to fix support plate 6 in bearing body 1 side, it can simultaneously avoid the problem that screw 9 can be contacted with side roller in installation or adjustment process.

[0023] In further embodiments, referring to Figures 2-4 From right to left, the right end surface of support plate 6, second stop plate 5, support shaft 3, connecting shaft 2 and first stop plate 4 is provided with through hole 8, the through hole 8 in support plate 6, second stop plate 5, support shaft 3, connecting shaft 2 and first stop plate 4 is coaxial, the inner wall of the through hole 8 in connecting shaft 2 and first stop plate 4 is provided with built-in thread 22, screw 9 is in order to penetrate support plate 6, second stop plate 5, support shaft 3, connecting shaft 2 and first stop plate 4 from right to left, screw 9 is engaged with built-in thread 22, bearing body 1 includes bearing outer ring 11 and bearing inner ring 12, bearing inner ring 12 and bearing outer ring 11 are provided with ball 13, first stop plate 4 is located at the front end of bearing inner ring 12 and is mutually butted, and second stop plate 5 is located at the rear end of bearing inner ring 12 and is mutually butted.

[0024] In this embodiment, by sequentially passing the screw 9 from right to left through the support plate 6, the second stop plate 5, the support shaft 3, the connecting shaft 2 and the first stop plate 4, and rotating the screw 9 by using the wrench hole 91, the engagement of the screw 9 with the built-in thread 22 is realized, so that on the one hand the support plate 6 can be fixed to one side of the bearing body 1; on the other hand, by rotating the screw 9, the connecting shaft 2 and the support shaft 3 are brought closer to each other, thereby driving the movement of the first stop plate 4 and the second stop plate 5, so that the first stop plate 4 and the second stop plate 5 are respectively in abutment with the bearing inner ring 12, thereby achieving the fixation of the bearing inner ring 12 and preventing the bearing body 1 from falling off from the front end of the connecting shaft 2 during use.

[0025] In further embodiments, with reference to Figures 3-4 , the bearing inner ring 12 is fixedly connected with a limiting block 14 inside, the outer wall of the connecting shaft 2 and the support shaft 3 is provided with a limiting groove 7, the limiting block 14 is located inside the limiting groove 7 and is in sliding connection with it, the rear end of the connecting shaft 2 is fixedly connected with a latch 21, and the front end of the support shaft 3 is provided with a insertion hole 31, and the rear end of the latch 21 is located inside the insertion hole 31.

[0026] In this embodiment, the limiting block 14 provided inside the limiting groove 7 can effectively fix the connecting shaft 2 and the support shaft 3 on the inner wall of the bearing inner ring 12, which can prevent the bearing inner ring 12 from rotating on the outer wall of the support shaft 3 and the connecting shaft 2, thereby ensuring the stability of the bearing body 1 during work. At the same time, by inserting the latch 21 into the insertion hole 31, the contact area between the connecting shaft 2 and the support shaft 3 is increased, which helps to prevent the shaking between the connecting shaft 2 and the support shaft 3 caused by long-term use and aging of the bearing body 1, thereby prolonging the service life of the bearing body 1.

[0027] In further embodiments, with reference to Figures 2-4 , the rear end of the second stop plate 5 is fixedly connected with a limiting rod 51, the front end face of the support plate 6 is provided with a limiting hole 61, the rear end of the limiting rod 51 penetrates into the inside of the limiting hole 61, and the rear end of the support plate 6 is fixedly connected with a fixed bolt 62.

[0028] In this embodiment, by inserting the limiting rod 51 into the limiting hole 61, the interaction force between the support plate 6 and the second stop plate 5 is effectively enhanced, which can prevent the bending or breaking of the screw 9 caused by excessive shear force between the support plate 6 and the second stop plate 5, thereby significantly prolonging the service life of the screw 9; in addition, by providing the fixed bolt 62, the support plate 6 can be conveniently fixed, thereby improving the stability and reliability of the entire structure.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A built-in threaded adjustable composite bearing comprising a bearing body (1), characterized in that, The bearing body (1) is sleeved with a connecting shaft (2) and a supporting shaft (3), the right end of the supporting shaft (3) is fixedly connected with a second resisting plate (5), the left end of the connecting shaft (2) is fixedly connected with a first resisting plate (4), the right end of the second resisting plate (5) is provided with a supporting plate (6), the supporting plate (6), the second resisting plate (5), the supporting shaft (3), the connecting shaft (2) and the first resisting plate (4) are fixedly connected through a screw (9), and a wrench hole (91) is formed in the right end surface of the screw (9).

2. The internally threaded adjustable composite bearing of claim 1, wherein: From right to left, the right end surfaces of the supporting plate (6), the second resisting plate (5), the supporting shaft (3), the connecting shaft (2) and the first resisting plate (4) are provided with through holes (8), the through holes (8) in the supporting plate (6), the second resisting plate (5), the supporting shaft (3), the connecting shaft (2) and the first resisting plate (4) are coaxial, and an internal thread (22) is formed in the inner wall of the through hole (8) in the connecting shaft (2) and the first resisting plate (4).

3. The internally threaded adjustable composite bearing of claim 1, wherein: The screw (9) penetrates the supporting plate (6), the second resisting plate (5), the supporting shaft (3), the connecting shaft (2) and the first resisting plate (4) from right to left in sequence, and the screw (9) is engaged with the internal thread (22).

4. The internally threaded adjustable composite bearing of claim 1, wherein: The bearing body (1) comprises a bearing outer ring (11) and a bearing inner ring (12), a ball (13) is arranged between the bearing inner ring (12) and the bearing outer ring (11), the first resisting plate (4) is located at the front end of the bearing inner ring (12) and abuts against the bearing inner ring (12), and the second resisting plate (5) is located at the rear end of the bearing inner ring (12) and abuts against the bearing inner ring (12).

5. The internally threaded adjustable composite bearing of claim 4, wherein: The bearing inner ring (12) is fixedly connected with a limiting block (14) inside, limiting grooves (7) are formed in the outer walls of the connecting shaft (2) and the supporting shaft (3), and the limiting block (14) is located in the limiting grooves (7) and is in sliding connection with the limiting grooves (7).

6. The internally threaded adjustable composite bearing of claim 1, wherein: The rear end of the connecting shaft (2) is fixedly connected with a bolt (21), the front end of the supporting shaft (3) is provided with a insertion hole (31), and the rear end of the bolt (21) is located in the insertion hole (31).

7. The internally threaded adjustable composite bearing of claim 1, wherein: The rear end of the second resisting plate (5) is fixedly connected with a limiting rod (51), the front end surface of the supporting plate (6) is provided with a limiting hole (61), the rear end of the limiting rod (51) penetrates into the limiting hole (61), and the rear end of the supporting plate (6) is fixedly connected with a fixing bolt (62).

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