Motor bearing protection device with protection effect

Abstract

The utility model discloses a motor bearing protection device with a protection effect. The motor bearing protection device comprises a protection mechanism and a clamp spring installed at one end of the protection mechanism. A limiting mechanism is arranged on one side of the protection mechanism, and one side of the limiting mechanism is connected to one side of the protection cover in an attached mode. The protective mechanism comprises a bearing body, the inner wall of the bearing body is fixedly connected with a rotating shaft, and the outer side of the bearing body is connected with the protective cover in an attached mode; through holes are formed in the upper end and the lower end of the protective cover, and a dustproof groove is formed in the side, close to the bearing body, of the protective cover. Wherein the inner wall of the dustproof groove is fixedly connected with a dustproof graphite brush, the inner wall of the dustproof graphite brush is rotationally connected with the rotating shaft, the sealing performance of the device can be improved by arranging the protection mechanism, damage caused by contact between impurities and other objects and the bearing is reduced, the position of the base can be rapidly fixed by arranging the limiting mechanism, and the base can be conveniently installed.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field, concretely is a motor bearing protection device with protection effect. BACKGROUND

[0002] The existing motor bearing protection structure is realized through the fixed support separated from the motor shell, the bearing protection ring is installed on the fixed support and is sleeved into the shaft extension end of the motor shell, and then the fixed support with the bearing protection ring is fastened on the motor through bolts.

[0003] Publication No. CN211046635U discloses a generator bearing protection structure, which can protect the bearing from being electrically eroded without changing the existing generator connection structure through the setting of the bearing sleeve and the insulating washer; the insulating washer and the bearing sleeve can be produced separately and have simple structure and convenient installation, but the patent still has the following problems in actual use:

[0004] Although the generator bearing protection structure can protect the bearing from being electrically eroded without changing the existing generator connection structure through the setting of the bearing sleeve and the insulating washer, the dustproof effect is poor, which easily leads to large bearing wear and affects the reliability of the motor.

[0005] A motor bearing protection device with protection effect is provided to solve the problems in the above. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a motor bearing protection device with protection effect to solve the problem that the current setting of the bearing sleeve and the insulating washer can protect the bearing from being electrically eroded without changing the existing generator connection structure, but the dustproof effect is poor, which easily leads to large bearing wear and affects the reliability of the motor.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a motor bearing protection device with protection effect, which comprises a protection mechanism and a clasp spring installed at one end of the protection mechanism.

[0008] One side of the protection mechanism is provided with a limiting mechanism, and one side of the limiting mechanism is connected to one side of the protection cover.

[0009] Further comprising:

[0010] The protection mechanism comprises a bearing body, the inner wall of the bearing body is fixedly connected with a rotating shaft, and the outer side of the bearing body is connected with the protection cover.

[0011] The interior of the upper and lower ends of the protective cover is provided with a through hole, and the side of the protective cover close to the bearing body is provided with a dustproof groove;

[0012] The inner wall of the dustproof graphite brush is rotationally connected with the rotating shaft.

[0013] Preferably, the side of the protective cover close to the dustproof groove is provided with an oil seal chamber, and the inner wall of the oil seal chamber is fixedly connected with an oil seal element.

[0014] Preferably, the inner wall of the oil seal element is rotationally connected with the rotating shaft, one side of the oil seal element is connected with a clamping spring, and the outer side of the clamping spring is clampedly connected with the protective cover.

[0015] Preferably, the limiting mechanism comprises a heat dissipation ring, one side of the heat dissipation ring is connected with the bearing body, and the other side of the heat dissipation ring is fixedly connected with a heat dissipation fin.

[0016] Preferably, the outer side of the heat dissipation ring is connected with a base, one side of the base is clampedly connected with the protective cover, and the upper and lower sides of the protective cover close to the base are fixedly connected with a fixed block.

[0017] Preferably, the interior of the fixed block is provided with a groove, the interior of the groove is provided with a connecting rod, and one end of the connecting rod penetrates through the fixed block and is fixedly connected with a spherical handle.

[0018] Preferably, the outer side of the connecting rod is sleeved with a spring, the other end of the connecting rod is fixedly connected with a limiting strip, the bottom side of the limiting strip is fixedly connected with a limiting rod, and the bottom end of the limiting rod is clampedly connected with the base.

[0019] Compared with the prior art, the motor bearing protection device with the protective effect has the advantages that the protective mechanism can improve the sealing performance of the device, reduce damage caused by impurities and the like contacting the bearing, the limiting mechanism can quickly fix the position of the base, and the base is convenient to install.

[0020] 1. The protective mechanism can improve the sealing performance of the device, reduce damage caused by impurities and the like contacting the bearing, the through hole facilitates the installation and fixation of the protective cover, the cooperation between the dustproof graphite brush and the rotating shaft can improve the sealing performance of the device and reduce the entry of impurities, the oil seal element can further improve the sealing performance of the device, has a lubricating effect, reduces wear of the rotating shaft during rotation, and the clamping spring can prevent the oil seal element from falling off and improve the stability of the device.

[0021] 2. By setting the limiting mechanism can quickly fixed position of the base, namely the installation of the base is convenient, the use of spring thrust can guarantee that the limiting rod is always matched with the base without external force, namely the base can be limited, by pulling the spherical handle upwards to drive the limiting rod to move upwards and rotate the spherical handle, the position of the limiting rod can be fixed, the limiting rod is separated from the base, and the base is convenient to disassemble. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the sectional structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the sectional structure of the utility model Figure 1 It is a schematic diagram of the enlarged structure of the limiting mechanism;

[0024] Figure 3 It is a schematic diagram of the sectional structure of the utility model Figure 2 It is a schematic diagram of the spring compression state structure;

[0025] Figure 4 It is a schematic diagram of the sectional structure of the utility model Figure 3 It is a schematic diagram of the sectional structure of the limiting strip;

[0026] In the drawing: 1, protection mechanism; 101, bearing body; 102, rotating shaft; 103, protective cover; 104, through hole; 105, dust groove; 106, dustproof graphite brush; 107, oil seal chamber; 108, oil seal; 109, clamp spring; 2, limiting mechanism; 201, heat dissipation ring; 202, heat dissipation fin; 203, base; 204, fixed block; 205, groove; 206, connecting rod; 207, spherical handle; 208, spring; 209, limiting strip; 210, limiting rod. DETAILED DESCRIPTION

[0027] 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, not all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model.

[0028] Please refer to Figures 1-4The utility model provides technical scheme: a motor bearing protection device with protection effect, including protection mechanism 1 and the clamping spring 109 of installation in protection mechanism 1 one end, the side of protection mechanism 1 is provided with the limiting mechanism 2, and the side of limiting mechanism 2 is connected with the side of protection cover 103, protection mechanism 1 includes bearing body 101, the inner wall fixed connection of bearing body 101 has the pivot 102, and the outside of bearing body 101 is connected with protection cover 103, and the position of bearing 101 is fixed protection by setting protection cover 103,

[0029] The inside of the upper and lower ends of protection cover 103 is provided with through -hole 104, and the side close to bearing body 101 of protection cover 103 is provided with dust slot 105, the inner wall fixed connection of dust slot 105 has dust graphite brush 106, and the inner wall of dust graphite brush 106 is connected with pivot 102, and the dust effect of device is improved by setting dust graphite brush 106,

[0030] The side close to dust slot 105 of protection cover 103 is provided with oil seal chamber 107, the inner wall fixed connection of oil seal chamber 107 has oil seal piece 108, and the inner wall of oil seal piece 108 is connected with pivot 102, and the side of oil seal piece 108 is connected with clamping spring 109, and the outside of clamping spring 109 is connected with protection cover 103, and the falling of oil seal piece 108 can be avoided by setting clamping spring 109, and the stability of device is improved,

[0031] The side of heat dissipation ring 201 is connected with bearing body 101, and the other side fixed connection of heat dissipation ring 201 has heat dissipation fin 202, and the heat dissipation effect of device is improved by setting heat dissipation fin 202,

[0032] The outside of heat dissipation ring 201 is connected with base 203, and the side of base 203 is connected with protection cover 103, and the upper and lower sides close to base 203 of protection cover 103 are fixedly connected with fixed block 204, the inside of fixed block 204 is provided with recess 205, and the inside of recess 205 is provided with connecting rod 206, one end of connecting rod 206 penetrates fixed block 204 and is fixedly connected with spherical handle 207, and connecting rod 206 is moved up and down by spherical handle 207,

[0033] The outside of connecting rod 206 is provided with spring 208, and the other end of connecting rod 206 is fixedly connected with limiting strip 209, and the bottom side of limiting strip 209 is fixedly connected with limiting rod 210, and the bottom end of limiting rod 210 is connected with base 203, and the thrust of spring 208 can guarantee that limiting rod 210 is always matched with base 203 without external force, and the limiting fixed of base 203 can be realized.

[0034] Working principle: before using the motor bearing protection device with protection effect, need to check the overall situation of the device first, to determine that can carry on normal work, according to Figure 1 Figure 4 As shown, first install bearing 101 inside the protective cover 103, then place the dustproof graphite brush 106 in the dustproof groove 105, place the oil seal 108 in the oil seal chamber 107 and install the snap spring 109 on one side of the oil seal 108, pass the rotating shaft 102 through the protective cover 103 and place one side of the heat dissipation ring 201 in contact with the bearing 101, and insert the base 203 into the protective cover 103, which completes the assembly of the device.

[0035] Secondly, when the base 203 needs to be disassembled, pull up the spherical handle 207 to drive the limiting rod 210 to move upwards and rotate the spherical handle 207, which can fix the position of the limiting rod 210, so that the limiting rod 210 is separated from the base 203, facilitating the removal of the base 203 from the protective cover 103.

[0036] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model shall be included in the protection scope of the utility model.​

Claims

1. A motor bearing protection device with protective effect, comprising a protection mechanism (1) and a retaining ring (109) installed at one end of the protection mechanism (1). A limiting mechanism (2) is provided on one side of the protective mechanism (1), and one side of the limiting mechanism (2) is attached to one side of the protective cover (103); Its features are, Also includes: The protective mechanism (1) includes a bearing body (101), a rotating shaft (102) is fixedly connected to the inner wall of the bearing body (101), and the outer side of the bearing body (101) is fitted and connected to the protective cover (103). The protective cover (103) has through holes (104) at both the upper and lower ends, and a dustproof groove (105) is provided on the side of the protective cover (103) near the bearing body (101). The inner wall of the dustproof groove (105) is fixedly connected to a dustproof graphite brush (106), and the inner wall of the dustproof graphite brush (106) is rotatably connected to the rotating shaft (102).

2. The motor bearing protection device with protective effect according to claim 1, characterized in that: The protective cover (103) has an oil seal chamber (107) on the side near the dustproof groove (105), and an oil seal component (108) is fixedly connected to the inner wall of the oil seal chamber (107).

3. The motor bearing protection device with protective effect according to claim 2, characterized in that: The inner wall of the oil seal (108) is rotatably connected to the rotating shaft (102), and a retaining ring (109) is attached to one side of the oil seal (108). The outer side of the retaining ring (109) is engaged with the protective cover (103).

4. The motor bearing protection device with protective effect according to claim 1, characterized in that: The limiting mechanism (2) includes a heat sink ring (201), one side of which is attached to the bearing body (101), and the other side of which is fixedly connected to heat sink fins (202).

5. A motor bearing protection device with protective effect according to claim 4, characterized in that: The heat dissipation ring (201) is attached to the outer side of the base (203), and one side of the base (203) is engaged with the protective cover (103). The protective cover (103) is fixedly connected to the upper and lower sides of the base (203) with fixing blocks (204).

6. A motor bearing protection device with protective effect according to claim 5, characterized in that: The fixing block (204) has a groove (205) inside, and a connecting rod (206) is provided inside the groove (205). One end of the connecting rod (206) passes through the fixing block (204) and is fixedly connected to a ball handle (207).

7. A motor bearing protection device with protective effect according to claim 6, characterized in that: A spring (208) is sleeved on the outside of the connecting rod (206), and a limiting strip (209) is fixedly connected to the other end of the connecting rod (206). A limiting rod (210) is fixedly connected to the bottom side of the limiting strip (209), and the bottom end of the limiting rod (210) is engaged with the base (203).

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