Speed reduction motor with multiple sealing structures

Abstract

The utility model discloses a gear motor with a multi-sealing structure, which comprises a gear motor shell, the bottom end of the gear motor shell is fixedly connected with a mounting sleeve, a supporting base is arranged below the mounting sleeve, a worm gear is movably arranged in the gear motor shell, a worm is arranged above the worm gear, and a sealing ring is arranged on the worm. A bearing and a blank cap are arranged outside the worm, a vent hole is formed in the top end of the gear motor shell, a mounting flange is fixedly connected to one side of the gear motor shell, and a driving motor is mounted on one side of the mounting flange. According to the gear motor with the multi-sealing structure, sealing of the joint of the worm and the driving motor can be ensured through the first sealing ring, sealing performance between the worm and the gear motor shell can be ensured through the second sealing ring, and sealing protection can be performed on the joint of the output port and the output shaft through the third sealing ring and the oil sealing ring; according to the structure, a multi-sealing structure is achieved, and the problem that the sealing effect is poor is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a reduction motor with a multiple sealing structure. Background Art

[0002] A reduction motor refers to an integration of a reducer and a motor. With its compact structure, small size, smooth operation, and low noise, reduction motors have been used in many automation industries. They are widely used in the steel industry, machinery industry, and so on.

[0003] After searching, it was found that common reduction motors have shortcomings such as oil leakage, loud noise, and frequent maintenance. The internal sealing of the reduction motor and the equipment during installation and use is poor. Due to the poor sealing effect of the internal and external connections of the reduction motor, the reduction motor will leak oil or water during use, which will affect the service life of the reduction motor.

[0004] There is an urgent need for a reduction motor with a multiple sealing structure to solve the technical defects proposed in the above technology. Utility Model Content

[0005] The utility model aims to provide a reduction motor with a multiple sealing structure to solve the problem of poor sealing effect mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reduction motor with a multiple sealing structure, comprising a reduction motor housing, a mounting sleeve fixedly connected to the bottom end of the reduction motor housing, a supporting base arranged below the mounting sleeve, a worm wheel movably arranged inside the reduction motor housing, a worm screw arranged above the worm wheel, a bearing and a blind cover arranged outside the worm screw, a vent hole arranged at the top of the reduction motor housing, a mounting flange fixedly connected to one side of the reduction motor housing, a drive motor installed on one side of the mounting flange, a noise reduction sleeve installed on the outside of the drive motor, an output shaft installed at one end of the worm wheel, an oil seal ring installed on the outside of the output shaft, a first seal ring fixedly connected to one side of the bearing, a second seal ring fixedly connected to one side of the blind cover, an output port arranged at the front end of the reduction motor housing, a third seal ring fixedly connected to the inner side of the output port.

[0007] Preferably, one end of the output shaft passes through the interior of the output port, and the inner side of the third sealing ring fits with the outer side of the output shaft.

[0008] Preferably, the inner sides of the first sealing ring and the second sealing ring are both in contact with the outer side of the worm.

[0009] Preferably, the output end of the drive motor is fixedly connected to one side of the worm.

[0010] Preferably, a mounting seat is fixedly connected to the top of the support base, a fixing hole is provided inside the mounting seat, a fixing bolt is provided at the front end of the mounting sleeve, and a mounting screw is provided at the top of the support base.

[0011] Preferably, the mounting sleeve is sleeved on the outside of the mounting seat, and one end of the fixing bolt is embedded in the inside of the fixing hole.

[0012] Preferably, a sound insulation ring is fixedly connected to the inner side of the noise reduction sleeve, and a sound absorption sleeve is fixedly connected to the inner side of the sound insulation ring.

[0013] Preferably, the bottom end of the noise reduction sleeve is fixedly connected with a connecting rod, one side of the reduction motor housing is fixedly connected with a mounting groove, a mounting bolt is provided at the front end of the mounting groove, and one side of the connecting rod is embedded in the mounting groove and fixed by the mounting bolt.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the reduction motor with multiple sealing structures not only achieves the function of good sealing effect and convenient stable placement, but also achieves the function of convenient noise reduction;

[0015] (1) By providing a first sealing ring, a second sealing ring, an oil seal ring output port and a third sealing ring, the first sealing ring and the second sealing ring are respectively installed on the worm inside the reduction motor housing, the first sealing ring can ensure the sealing of the connection between the worm and the drive motor, the second sealing ring can ensure the sealing between the worm and the reduction motor housing, and the third sealing ring and the oil seal ring can seal and protect the connection between the output port and the output shaft. This structure improves the sealing effect inside the reduction motor through a multiple sealing structure;

[0016] (2) The housing of the reduction motor is mounted on the support base by providing a support base, a mounting sleeve, fixing bolts, a mounting seat, a mounting screw, and a fixing hole. The anti-skid pad at the bottom of the support base can improve the stability of the support. The housing of the reduction motor can be adjusted and disassembled on the support base. When adjusting or disassembling, the fixing bolts need to be unscrewed from the mounting sleeve, and then the mounting sleeve can be removed from the mounting seat for disassembly. The mounting sleeve can be displaced by sliding on the mounting seat. This structure realizes the function of facilitating stable placement.

[0017] (3) The noise reduction sleeve is installed on the outside of the driving motor by providing a noise reduction sleeve, a connecting rod, a mounting groove, a mounting bolt, a sound absorbing sleeve and a sound insulation ring. During installation, the noise reduction sleeve is put on the outside of the driving motor, and then the connecting rod at the bottom of the noise reduction sleeve is inserted into the inside of the mounting groove, and then the connecting rod is fixed to the inside of the mounting groove with the mounting bolt. The sound absorbing sleeve and the sound insulation ring inside the noise reduction sleeve can soundproof and reduce the noise generated by the driving motor. The noise reduction sleeve does not affect the heat dissipation of the rear end cover of the driving motor. This structure realizes the function of facilitating noise reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 This is a front view structural schematic diagram of the utility model;

[0020] Figure 3 This is a front view structural diagram of the support base of the utility model;

[0021] Figure 4 It is a schematic diagram of the side structure of the noise reduction sleeve of the utility model.

[0022] In the figure: 1. Support base; 2. Mounting sleeve; 3. Reducer motor housing; 4. Noise reduction sleeve; 5. Drive motor; 6. Mounting flange; 7. Bearing; 8. First sealing ring; 9. Vent hole; 10. Worm; 11. Cover; 12. Second sealing ring; 13. Worm gear; 14. Output shaft; 15. Oil seal; 16. Fixing bolt; 17. Mounting seat; 18. Connecting rod; 19. Mounting groove; 20. Mounting bolt; 21. Output port; 22. Third sealing ring; 23. Mounting screw; 24. Fixing hole; 25. Sound-absorbing sleeve; 26. Sound insulation ring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-4 A reduction motor with a multiple sealing structure comprises a reduction motor housing 3, a mounting sleeve 2 is fixedly connected to the bottom end of the reduction motor housing 3, a support base 1 is arranged below the mounting sleeve 2, a worm wheel 13 is movably installed inside the reduction motor housing 3, a worm 10 is arranged above the worm wheel 13, bearings 7 and a cover 11 are arranged outside the worm 10, a vent hole 9 is arranged at the top of the reduction motor housing 3, a mounting flange 6 is fixedly connected to one side of the reduction motor housing 3, a drive motor 5 is installed on one side of the mounting flange 6, a noise reduction sleeve 4 is installed outside the drive motor 5, an output shaft 14 is installed at one end of the worm wheel 13, an oil seal ring 15 is installed outside the output shaft 14, a first seal ring 8 is fixedly connected to one side of the bearing 7, a second seal ring 12 is fixedly connected to one side of the cover 11, an output port 21 is arranged at the front end of the reduction motor housing 3, and a third seal ring 22 is fixedly connected to the inner side of the output port 21;

[0025] One end of the output shaft 14 passes through the inside of the output port 21, the inner side of the third sealing ring 22 fits with the outer side of the output shaft 14, the inner sides of the first sealing ring 8 and the second sealing ring 12 fit with the outer side of the worm 10, and the output end of the drive motor 5 is fixedly connected to one side of the worm 10;

[0026] Specifically, Figure 1 and Figure 2 As shown, the first sealing ring 8 and the second sealing ring 12 are respectively installed on the worm 10. The first sealing ring 8 can ensure the sealing of the connection between the worm 10 and the drive motor 5, the second sealing ring 12 can ensure the sealing between the worm 10 and the reduction motor housing 3, and the third sealing ring 22 and the oil seal ring 15 can seal and protect the connection between the output port 21 and the output shaft 14.

[0027] Embodiment 2: The top of the support base 1 is fixedly connected with a mounting base 17, a fixing hole 24 is provided inside the mounting base 17, a fixing bolt 16 is provided at the front end of the mounting sleeve 2, a mounting screw 23 is provided at the top of the support base 1, the mounting sleeve 2 is sleeved on the outside of the mounting base 17, and one end of the fixing bolt 16 is embedded in the fixing hole 24;

[0028] Specifically, Figure 1 and Figure 3 As shown, the anti-skid pad at the bottom of the support base 1 can improve the stability of the support, and the reduction motor housing 3 can be adjusted and disassembled on the support base 1. When adjusting or disassembling, the fixing bolts 16 need to be unscrewed from the mounting sleeve 2, and then the mounting sleeve 2 can be removed from the mounting seat 17 for disassembly. The mounting sleeve 2 can be displaced by sliding on the mounting seat 17.

[0029] Embodiment 3: A sound insulation ring 26 is fixedly connected to the inner side of the noise reduction sleeve 4, a sound absorbing sleeve 25 is fixedly connected to the inner side of the sound insulation ring 26, a connecting rod 18 is fixedly connected to the bottom end of the noise reduction sleeve 4, a mounting groove 19 is fixedly connected to one side of the reduction motor housing 3, a mounting bolt 20 is provided at the front end of the mounting groove 19, and one side of the connecting rod 18 is embedded in the mounting groove 19 and fixed by the mounting bolt 20;

[0030] Specifically, Figure 1 and Figure 4 As shown, when installing the noise reduction sleeve 4, the noise reduction sleeve 4 is put on the outside of the driving motor 5, and then the connecting rod 18 at the bottom of the noise reduction sleeve 4 is inserted into the inside of the mounting groove 19, and then the connecting rod 18 is fixed to the inside of the mounting groove 19 using the mounting bolts 20. The sound-absorbing sleeve 25 and the sound insulation ring 26 inside the noise reduction sleeve 4 can soundproof and reduce the noise generated by the driving motor 5, and the noise reduction sleeve 4 does not affect the heat dissipation of the rear end cover of the driving motor 5.

[0031] Working principle: When using the utility model, the reduction motor needs to be installed in the designated area first. During installation, the anti-skid pad at the bottom of the support base 1 can improve the stability of the support. The reduction motor housing 3 can be adjusted and disassembled on the support base 1. When adjusting or disassembling, the fixing bolt 16 needs to be unscrewed from the installation sleeve 2. The first sealing ring 8 and the second sealing ring 12 are respectively installed on the worm 10. The first sealing ring 8 can ensure the sealing of the connection between the worm 10 and the drive motor 5, and the second sealing ring 12 can ensure the sealing between the worm 10 and the reduction motor housing 3. The third sealing ring 22 The oil seal ring 15 can seal and protect the connection between the output port 21 and the output shaft 14. The noise reduction sleeve 4 is installed on the outside of the drive motor 5. During installation, the noise reduction sleeve 4 is sleeved on the outside of the drive motor 5, and then the connecting rod 18 at the bottom of the noise reduction sleeve 4 is inserted into the inside of the installation groove 19, and then the connecting rod 18 is fixed to the inside of the installation groove 19 with the installation bolt 20. The sound-absorbing sleeve 25 and the sound insulation ring 26 inside the noise reduction sleeve 4 can soundproof and reduce the noise generated by the drive motor 5. The noise reduction sleeve 4 does not affect the heat dissipation of the rear end cover of the drive motor 5. This structure realizes the function of facilitating noise reduction processing.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A reduction motor with a multiple sealing structure, comprising a reduction motor housing (3), characterized in that: The bottom end of the reduction motor housing (3) is fixedly connected to a mounting sleeve (2), a support base (1) is arranged below the mounting sleeve (2), a worm wheel (13) is movably arranged inside the reduction motor housing (3), a worm (10) is arranged above the worm wheel (13), a bearing (7) and a cover (11) are arranged outside the worm (10), a vent hole (9) is arranged at the top end of the reduction motor housing (3), a mounting flange (6) is fixedly connected to one side of the reduction motor housing (3), and the mounting flange (6) ) is installed on one side of the reduction motor housing (3), a noise reduction sleeve (4) is installed on the outside of the reduction motor (5), an output shaft (14) is installed on one end of the worm gear (13), an oil seal ring (15) is installed on the outside of the output shaft (14), a first seal ring (8) is fixedly connected to one side of the bearing (7), a second seal ring (12) is fixedly connected to one side of the cover (11), an output port (21) is provided at the front end of the reduction motor housing (3), and a third seal ring (22) is fixedly connected to the inner side of the output port (21).

2. The reduction motor with a multiple sealing structure according to claim 1, characterized in that: One end of the output shaft (14) passes through the interior of the output port (21), and the inner side of the third sealing ring (22) fits with the outer side of the output shaft (14).

3. The reduction motor with a multiple sealing structure according to claim 1, characterized in that: The inner sides of the first sealing ring (8) and the second sealing ring (12) are both in contact with the outer side of the worm (10).

4. The reduction motor with a multiple sealing structure according to claim 1, characterized in that: The output end of the driving motor (5) is fixedly connected to one side of the worm (10).

5. The reduction motor with a multiple sealing structure according to claim 1, characterized in that: The top end of the support base (1) is fixedly connected to a mounting base (17), a fixing hole (24) is provided inside the mounting base (17), a fixing bolt (16) is provided at the front end of the mounting sleeve (2), and a mounting screw rod (23) is provided at the top end of the support base (1).

6. The reduction motor with a multiple sealing structure according to claim 5, characterized in that: The mounting sleeve (2) is sleeved on the outside of the mounting seat (17), and one end of the fixing bolt (16) is embedded in the inside of the fixing hole (24).

7. The reduction motor with a multiple sealing structure according to claim 1, characterized in that: A sound insulation ring (26) is fixedly connected to the inner side of the noise reduction sleeve (4), and a sound absorption sleeve (25) is fixedly connected to the inner side of the sound insulation ring (26).

8. The reduction motor with a multiple sealing structure according to claim 1, characterized in that: The bottom end of the noise reduction sleeve (4) is fixedly connected to a connecting rod (18), one side of the reduction motor housing (3) is fixedly connected to a mounting groove (19), a front end of the mounting groove (19) is provided with a mounting bolt (20), and one side of the connecting rod (18) is embedded in the mounting groove (19) and fixed by the mounting bolt (20).

Images