Convenient-to-assemble bearing for pneumatic tool

Abstract

The utility model discloses a pneumatic tool bearing convenient to assemble, which comprises a base, a rolling assembly used for reducing friction force is arranged on the surface of the base, a rotating assembly used for replacing an inner ring of a common bearing is arranged above the base, a stator assembly used for replacing an outer ring of the bearing is arranged above the base, and the rotating assembly and the stator assembly are arranged on the base. A mounting assembly for fixing the stator assembly is arranged on the surface of the stator assembly; the rotating assembly is used for replacing a common bearing inner ring to be in direct contact with the output shaft of the pneumatic tool. The stator assembly is used for replacing the bearing outer ring to be matched with the base for installation. The rolling assembly is used for reducing friction force between the base and the rotating assembly and prolonging the service life. A mounting assembly is provided for securing the stator assembly above the base to prevent displacement of the stator assembly. The wrapping assembly is used for wrapping the rotating assembly, and the stator assembly and the mounting assembly are bearing mounting bases of the pneumatic tool.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bearing for pneumatic tool, concretely to a bearing for pneumatic tool convenient to assemble. BACKGROUND

[0002] The bearing for pneumatic tool convenient to assemble is designed specially for pneumatic tool, easy to install and dismount, and is used for supporting and reducing the friction of rotating parts in the tool.The bearing is usually composed of inner and outer rings, rolling elements and a cage, and is a key part in the pneumatic tool.It transmits force and bears load through the rolling elements between the inner and outer rings, realizes the relative movement of mechanical parts, and plays the role of supporting rotating parts, reducing friction and wear, and ensuring the rotation accuracy.The convenient assembly of the bearing in the pneumatic tool is of great significance to improve the maintenance efficiency of the tool and reduce the use cost.

[0003] The Chinese patent with the publication number CN222254726U discloses a bearing convenient to assemble, relating to the technical field of bearing, comprising an inner ring, an outer ring and rollers, a plurality of grooves are formed at the top of the inner ring at equal intervals, each groove is movably connected with a roller, the outer ring is sleeved on the outer wall of the inner ring, a first ring groove is formed at the bottom of the outer ring, the inner ring is rotatably connected with the first ring groove, a second ring groove is formed at the inner top of the first ring groove, and the rollers are movably connected with the inner wall of the second ring groove.

[0004] The bearing convenient to assemble can replace the traditional inner and outer rings, sleeve the outer ring on the outer wall of the inner ring, form grooves on the inner ring for clamping the rollers, place the rollers in the grooves, sleeve the outer ring and lock it with a clasp ring to complete the installation, which is extremely convenient for the installation of the inner and outer rings and the rollers, and can effectively improve the installation efficiency of the bearing. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a bearing for pneumatic tool convenient to assemble, which has the advantages of long service life, no frequent replacement and better adaptation to the pneumatic tool, to solve the problems in the background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A bearing for pneumatic tool convenient to assemble, including base, the surface of base is provided with rolling assembly for reducing friction, the top of base is provided with rotation assembly for replacing ordinary bearing inner ring, the top of base is provided with stator assembly for replacing bearing outer ring, the surface of stator assembly is provided with mounting assembly for fixing stator assembly, the top of base is provided with wrapping assembly for wrapping rotation assembly, stator assembly and mounting assembly.

[0007] Preferably, the rolling assembly includes a first mounting slot, the first mounting slot is opened on the surface of the base, the bottom of the first mounting slot is provided with a first limiting slot, the first limiting slot is provided with a first ball inside, and the first ball is matched with the first limiting slot.

[0008] Preferably, the rotation assembly includes an inner ring frame, the inner ring frame is arranged above the base, the bottom of the inner ring frame is matched with the first mounting slot and placed above the first ball, the top of the inner ring frame is provided with a second mounting slot, the bottom of the second mounting slot is provided with a second limiting slot, the second limiting slot is provided with a second ball inside and matched with the second limiting slot.

[0009] Preferably, the stator assembly includes a fixed block, the fixed block is arranged above the base, the surface of the fixed block is provided with a third limiting slot, the inner wall of the third limiting slot is provided with a roller and matched with the third limiting slot.

[0010] Preferably, the mounting assembly includes a mounting hole, the mounting hole is opened on the surface of the fixed block, the mounting hole penetrates through the fixed block and extends to the inside of the base, the inside of the mounting hole is provided with a screw rod matched with the mounting hole.

[0011] Preferably, the wrapping assembly includes a top base, the top base is arranged above the base, the bottom of the top base is provided with a mounting ring, and the mounting ring is threadedly connected to the outer wall of the base.

[0012] Preferably, the bottom of the top base is provided with a pressing plate, and the outer wall of the top base, the outer wall of the mounting ring and the outer wall of the base are coated with an anti-skid coating.

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

[0014] The utility model discloses a rotating assembly is used for replacing the ordinary bearing inner ring and directly contacting the output shaft of pneumatic tool, the stator assembly is used for replacing the bearing outer ring and the cooperation installation of base, the rolling assembly is used for reducing the friction force between base and rotating assembly and improving the service life, the installation assembly is used for fixing the stator assembly on the top of base (1) and preventing the displacement of stator assembly, the wrapping assembly is used for wrapping rotating assembly, stator assembly and installation assembly as the bearing mounting seat of pneumatic tool.

[0015] The utility model discloses the prior art can only be used on the equipment of low speed and low load, if using on the equipment of high speed and high load on pneumatic tool, the inner ring frame and base can bear the greater wear and tear, and the service life is low, compared with the frequent replacement, the service life is improved, and the bearing mounting seat on pneumatic tool is more fitted. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] Figure 2 It is the sectional view of the utility model top seat;

[0018] Figure 3 It is the structural schematic diagram of the utility model rolling column;

[0019] Figure 4 It is the sectional view of the utility model Figure 3 .

[0020] In the drawing: 1, base, 2, first installation slot, 3, first limit slot, 4, first ball, 5, inner ring frame, 6, second installation slot, 7, second limit slot, 8, second ball, 9, fixed block, 10, third limit slot, 11, rolling column, 12, installation hole, 13, screw rod, 14, top seat, 15, installation ring, 16, pressing plate, 17, antiskid coating. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings in the utility model embodiments, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of protection of the utility model.

[0022] Please refer to Figures 1-4The utility model provides a technical scheme: A bearing for pneumatic tool convenient to assemble, including base 1, the top of base 1 is provided with the rotating assembly for replacing ordinary bearing inner ring, rotating assembly includes inner ring frame 5, inner ring frame 5 sets up the top of base 1, the bottom of inner ring frame 5 is adapted with first installation slot 2 and places the top of first ball 4, the top of inner ring frame 5 is equipped with second installation slot 6, the bottom of second installation slot 6 is equipped with second limiting slot 7, second limiting slot 7 is equipped with second ball 8 in the inside and is adapted with second limiting slot 7. The output shaft of pneumatic tool is contacted with the inner wall of inner ring frame 5.

[0023] The top of base 1 is provided with the stator assembly for replacing bearing outer ring;Stator assembly includes fixed block 9, fixed block 9 sets up the top of base 1, the surface of fixed block 9 is equipped with third limiting slot 10, and the inner wall of third limiting slot 10 is provided with roll 11 and is adapted with third limiting slot 10.

[0024] The surface of base 1 is provided with the rolling assembly for reducing the friction of base 1 and rotating assembly;Rolling assembly includes first installation slot 2, first installation slot 2 is equipped on the surface of base 1, the bottom of first installation slot 2 is equipped with first limiting slot 3, first limiting slot 3 is equipped with first ball 4 in the inside, and first ball 4 is adapted with first limiting slot 3.

[0025] The surface of stator assembly is provided with the installation assembly for fixing stator assembly on the top of base 1;Installation assembly includes mounting hole 12, mounting hole 12 is equipped on the surface of fixed block 9, mounting hole 12 penetrates fixed block 9 and extends to the inside of base 1, and the inside of mounting hole 12 is screw-threaded with screw rod 13 and is adapted with mounting hole 12.

[0026] The top of base 1 is provided with the wrapping assembly for wrapping rotating assembly, stator assembly and installation assembly;Wrapping assembly includes top base 14, top base 14 sets up the top of base 1, the bottom of top base 14 is provided with mounting ring 15, and mounting ring 15 is screw-connected on the outer wall of base 1. Wherein base 1 and top base 14 form the bearing mounting seat of pneumatic tool. The bottom of top base 14 is provided with pressing plate 16, and the outer wall of top base 14, the outer wall of mounting ring 15 and the outer wall of base 1 are all coated with antiskid coating 17. Pressing plate 16 is used for preventing second ball 8 from directly contacting top base 14 and causing wear and tear and being inconvenient to replace. Antiskid coating 17 prevents pneumatic tool from slipping.

[0027] Summarizing the installation process is:

[0028] The fixed block 9 is installed inside the base 1 and is fixed by installing the screw rod 13 in the screw thread of the installation hole 12. The roller 11 is installed in the third limiting slot 10, and then the first ball 4 is installed inside the first limiting slot 3 at the bottom of the first installation slot 2. The inner ring frame 5 is installed above the first ball 4. The second ball 8 is installed inside the second limiting slot 7 at the bottom of the first installation slot 2, and the pressing plate 16 is installed above the second ball 8. Finally, the top base 14 is screw-installed above the base 1 through the installation ring 15.

[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, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A bearing for a pneumatic tool, which is easy to assemble, comprising a base (1), characterized in that: The upper portion of the base (1) is provided with a rotating assembly for replacing the inner ring of a common bearing, the upper portion of the base (1) is provided with a stator assembly for replacing the outer ring of the bearing, the surface of the base (1) is provided with a rolling assembly for reducing the friction between the base (1) and the rotating assembly, the surface of the stator assembly is provided with a mounting assembly for fixing the stator assembly above the base (1), and the upper portion of the base (1) is provided with a wrapping assembly for wrapping the rotating assembly, the stator assembly and the mounting assembly.

2. A bearing for a pneumatic tool for easy assembly according to claim 1, characterized in that: The rolling assembly comprises a first mounting groove (2) formed in the surface of the base (1), a first limiting groove (3) formed in the bottom of the first mounting groove (2), and a first ball (4) arranged in the first limiting groove (3).

3. A bearing for a pneumatic tool for easy assembly according to claim 2, characterized in that: The rotating assembly comprises an inner ring frame (5) arranged above the base (1), the bottom of the inner ring frame (5) is matched with the first mounting groove (2) and placed above the first ball (4), the top of the inner ring frame (5) is provided with a second mounting groove (6), the bottom of the second mounting groove (6) is provided with a second limiting groove (7), and the second limiting groove (7) is matched with the second limiting groove (7) and arranged with a second ball (8) in the second limiting groove (7).

4. A bearing for a pneumatic tool for easy assembly according to claim 3, characterized in that: The stator assembly comprises a fixed block (9) arranged above the base (1), a third limiting groove (10) formed in the surface of the fixed block (9), and a roller (11) arranged on the inner wall of the third limiting groove (10) and matched with the third limiting groove (10).

5. A bearing for a pneumatic tool for easy assembly according to claim 4, characterized in that: The mounting assembly comprises a mounting hole (12) formed in the surface of the fixed block (9), the mounting hole (12) penetrates through the fixed block (9) and extends into the inside of the base (1), and a screw rod (13) is screwedly installed in the inside of the mounting hole (12) and matched with the mounting hole (12).

6. A bearing for a pneumatic tool for easy assembly according to claim 5, characterized in that: The wrapping assembly comprises a top base (14) arranged above the base (1), an installation ring (15) arranged at the bottom of the top base (14), and the installation ring (15) is screwedly connected to the outer wall of the base (1).

7. A bearing for a pneumatic tool for easy assembly according to claim 6, characterized in that: The bottom of the top base (14) is provided with a pressing plate (16), and the outer wall of the top base (14), the outer wall of the installation ring (15) and the outer wall of the base (1) are coated with an anti-skid coating (17).

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