Energy-saving double-speed motor

Abstract

The utility model discloses an energy-saving double-speed motor, which comprises a heat dissipation mute mechanism and a motor shell arranged on the outer side of the heat dissipation mute mechanism, a protection mechanism is arranged on the left side of the heat dissipation mute mechanism, a protection sleeve is arranged on the outer side of the protection mechanism, and the heat dissipation mute mechanism comprises an output shaft. A brake device is arranged on the left side of the output shaft, a telescopic spring is rotatably connected to the right side of the brake device, a conical rotor is fixedly connected to the side, away from the brake device, of the telescopic spring, the brake device is slidably connected with the output shaft, and a conical brake disc is fixedly installed on the right side, close to the conical rotor, of the output shaft. By arranging the heat dissipation mute mechanism, the brake function of the double-speed motor can be achieved through the conical brake disc and the conical brake pad, meanwhile, the heat dissipation fan is used for conducting rapid heat dissipation on the interior of the double-speed motor, temperature rise caused by inching of the double-speed motor is avoided, the service life of the double-speed motor is prolonged, the service life of the double-speed motor is prolonged, and the service life of the double-speed motor is prolonged. And pause and the like are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of dual-speed motors, in particular to an energy-saving dual-speed motor. Background Art

[0002] A dual-speed motor is a motor with two operating speeds. It is an asynchronous motor with pole-changing speed regulation. It changes the number of poles of the stator rotating magnetic field by changing the connection method of the stator winding, thereby changing the speed of the motor.

[0003] Announcement No. CN 215120407 U discloses a two-speed motor that can reduce noise. The two-speed motor is placed on the top of two support blocks. At this time, the rotating threaded rod drives one of the clamping blocks through the bearing to squeeze the two-speed motor, so that the front surface of the two-speed motor fits on the rear surface of the other clamping block, and the connecting block is squeezed. The two connecting rods drive the two sliding blocks to slide on the outer surface of the fixed cross bar. At this time, the two return springs are in a compressed state. The return springs are used to improve the buffering capacity of the two-speed motor and the shock absorption capacity. The sound generated by the two-speed motor is further isolated by the setting of the sound insulation layer, thereby greatly reducing the noise. The external box is installed through the base, and the tightness of the base during installation is improved by the buffer pad. When the device is squeezed, the connecting plate drives the four sliding rods to move to the inside of the four circular grooves. At this time, the buffering capacity of the device is improved by four compression springs, and multiple first rectangular blocks are movably embedded in the rectangular grooves of multiple second rectangular blocks, thereby preventing excessive squeezing and causing damage to the device. However, the patent still has the following problems in actual use:

[0004] The noise-reducing dual-speed motor has four sliding rods and compression springs at the bottom of the external box body, which will generate certain vibrations when the dual-speed motor is working. The sliding rods and compression springs will cause the external box body to reciprocate up and down, thereby causing the components connected to the output shaft and the dual-speed motor to vibrate up and down, affecting the connection stability of the output shaft, causing the dual-speed motor to fail to work normally. At the same time, a sound insulation layer is provided inside the external box body, which is not conducive to the heat dissipation of the external box body. During the long-term use of the dual-speed motor, the motor will overheat, thereby reducing the service life of the dual-speed motor.

[0005] An energy-saving dual-speed motor is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide an energy-saving two-speed motor to solve the problem proposed in the above-mentioned background technology that the two-speed motor that can reduce noise is provided with four sliding rods and compression springs at the bottom of the external box body, and a certain vibration is generated when the two-speed motor is working. The provision of the sliding rods and the compression springs will cause the external box body to reciprocate up and down, thereby causing the components connected to the output shaft and the two-speed motor to vibrate up and down, affecting the connection stability of the output shaft, causing the two-speed motor to fail to work normally. At the same time, a sound insulation layer is provided inside the external box body, which is not conducive to the heat dissipation of the external box body. During the long-term use of the two-speed motor, the motor will cause overheating, thereby reducing the service life of the two-speed motor.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an energy-saving dual-speed motor, comprising a heat dissipation and silence mechanism, and a motor housing installed outside the heat dissipation and silence mechanism;

[0008] A protective mechanism is arranged on the left side of the heat dissipation and noise reduction mechanism, and a protective cover is arranged on the outside of the protective mechanism;

[0009] Also includes:

[0010] The heat dissipation and noise reduction mechanism comprises an output shaft, a brake device is arranged on the left side of the output shaft, and a telescopic spring is rotatably connected to the right side of the brake device;

[0011] Wherein, a conical rotor is fixedly connected to a side of the telescopic spring away from the braking device, and the braking device is slidably connected to the output shaft;

[0012] Wherein, a conical brake disc is fixedly installed on the right side of the output shaft close to the conical rotor, and a cooling fan is threadedly connected to the right side of the output shaft.

[0013] Preferably, a motor rear cover is provided on the right side of the motor housing, a heat dissipation cover is fixedly installed on one side of the motor rear cover, a plurality of first fixing bolts are threadedly connected to the outer side of the motor rear cover, a plurality of heat dissipation fins are fixedly installed on the outer side of the motor housing, a plurality of segmented silencers are fixedly installed on the inner side of the motor housing, and the segmented silencers are staggered with the heat dissipation fins.

[0014] Preferably, a motor stator is fixedly installed inside the segmented silencer plate, a conical brake pad is fixedly installed on one side of the interior of the motor housing, support frames are symmetrically installed on both sides of the bottom of the motor housing, a mounting base plate is fixedly installed on the bottom of the support frame, and reinforcement bolts are threadedly connected around the interior of the mounting base plate.

[0015] Preferably, the protective mechanism includes a motor front cover, the outer side of the motor front cover is threadedly connected to a plurality of second fixing bolts, a rotating bearing is arranged at the inner center position of the motor front cover, a snap-fit ​​groove is symmetrically provided inside the motor front cover in the upper and lower parts, and limiting grooves are symmetrically provided on both sides of the motor front cover near the middle of the snap-fit ​​groove.

[0016] Preferably, a spring sheet is fixedly installed inside the limiting groove, a limiting spring is fixedly installed outside the spring sheet, a limiting block is fixedly installed at the end of the limiting spring, and a limiting inclined groove is provided outside the limiting block.

[0017] Preferably, an ejection spring is fixedly installed inside the locking groove, the end of the ejection spring is fixedly connected to an ejection plate, the outer side of the ejection plate is fit-connected with a locking protrusion, the inner side of the locking protrusion is fixedly connected to a first connecting rod, the end of the first connecting rod is fixedly connected to a second connecting rod, and the protective sleeve is fixedly connected to the end of the second connecting rod.

[0018] Preferably, an unlocking sliding sleeve is slidably connected to the middle part of the first connecting rod, and unlocking inclined grooves are symmetrically provided on both sides of the unlocking sliding sleeve. The diameter of the first connecting rod is smaller than the diameter of the second connecting rod, and the protective sleeve is sleeved on the end of the output shaft. The motor front cover is fixedly connected to the motor housing by a second fixing bolt, and the unlocking sliding sleeve is engaged with the engaging protrusion.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: the energy-saving dual-speed motor can not only realize the braking function of the dual-speed motor by using the conical brake disc and the conical brake pad by setting the heat dissipation and mute mechanism, but also quickly dissipate the heat inside the dual-speed motor by using the heat dissipation fan, thus avoiding abnormal conditions such as temperature rise and pause when the dual-speed motor is inching, and can safely protect the output shaft of the dual-speed motor by using the protective cover by setting the protective mechanism, thus avoiding the problem that the output shaft of the dual-speed motor is exposed to the outside and collides during transportation, thereby causing damage to the output shaft. The specific contents are as follows:

[0020] 1. By setting up the heat dissipation and mute mechanism, not only can the conical brake disc and conical brake pad be used to realize the braking function of the dual-speed motor, but also the cooling fan is used to quickly dissipate the heat inside the dual-speed motor, avoiding abnormal conditions such as temperature rise and pause when the dual-speed motor is inching. The conical brake is braked, and the conical brake pad is modulated, integrating the cooling fan and the conical brake pad as one. It is made of 65 manganese, which is safe and reliable. It does not use the traditional die-casting aluminum method, avoiding the immeasurable accidents caused by the over-fatigue and collapse of the brake pot. The dual-speed motor is further cooled by setting the cooling fins. At the same time, the segmented silencer plate and the heat dissipation fins are staggered, which not only does not affect the heat dissipation effect of the dual-speed motor, but also increases the silencer function of the dual-speed motor and improves the practicality of the dual-speed motor.

[0021] 2. By setting up a protective mechanism, the output shaft of the dual-speed motor can be safely protected by the protective cover, so as to avoid the output shaft of the dual-speed motor being exposed to the outside and colliding during transportation, thereby causing damage to the output shaft. The protective cover is fixed by the engagement protrusion and the engagement groove, and the engagement protrusion and the limit block are utilized. The protective cover is pressed so that the unlocking sliding cover engages with the engagement protrusion under the push of the second connecting rod. The unlocking inclined groove is used to push the limit block and the elastic force of the ejection spring is used to make the engagement protrusion pass over the limit block, thereby ejecting the protective cover, which is convenient for installation and removal of the protective cover. The protective cover can be recycled, thereby achieving the effect of saving resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0023] Figure 2 It is a three-dimensional structural diagram of the heat dissipation and noise reduction mechanism in the utility model;

[0024] Figure 3 This is a three-dimensional structural diagram of the conical rotor and the cooling fan in the utility model;

[0025] Figure 4 It is a three-dimensional structural schematic diagram of the motor housing and the segmented silencer plate in the utility model;

[0026] Figure 5 It is a schematic diagram of the three-dimensional structure of the cross section of the protection mechanism in the utility model;

[0027] Figure 6 For this utility model Figure 5 Schematic diagram of the enlarged structure of area A in the middle.

[0028] In the figure: 1. heat dissipation and silencing mechanism; 101. output shaft; 102. brake device; 103. telescopic spring; 104. conical rotor; 105. conical brake disc; 106. cooling fan; 107. motor housing; 108. motor rear cover; 109. heat dissipation cover; 110. first fixing bolt; 111. heat dissipation fin; 112. segmented silencer; 113. motor stator; 114. conical brake pad; 115. support frame; 116. mounting base plate; 117. Reinforcement bolts; 2. Protection mechanism; 201. Motor front cover; 202. Second fixing bolt; 203. Rotating bearing; 204. Engaging groove; 205. Limiting groove; 206. Spring sheet; 207. Limiting spring; 208. Limiting block; 209. Limiting inclined groove; 210. Ejection spring; 211. Ejection plate; 212. Engaging protrusion; 213. First connecting rod; 214. Second connecting rod; 215. Unlocking sliding sleeve; 216. Unlocking inclined groove; 217. Protection sleeve. DETAILED DESCRIPTION

[0029] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0030] See also Figure 1-6The utility model provides a technical solution: an energy-saving dual-speed motor, including a heat dissipation and noise reduction mechanism 1, and a motor housing 107 installed on the outside of the heat dissipation and noise reduction mechanism 1, a protection mechanism 2 is arranged on the left side of the heat dissipation and noise reduction mechanism 1, and a protection sleeve 217 is arranged on the outside of the protection mechanism 2, the heat dissipation and noise reduction mechanism 1 includes an output shaft 101, a brake device 102 is arranged on the left side of the output shaft 101, and a telescopic spring 103 is rotatably connected to the right side of the brake device 102, wherein a conical rotor 104 is fixedly connected to the side of the telescopic spring 103 away from the brake device 102, and the brake device 102 slides with the output shaft 101 The output shaft 101 is connected to the conical rotor 104 on the right side thereof, and a conical brake disc 105 is fixedly installed thereon. A cooling fan 106 is threadedly connected to the right side of the output shaft 101. A motor rear cover 108 is arranged on the right side of the motor housing 107. A cooling cover 109 is fixedly installed on one side of the motor rear cover 108. A plurality of first fixing bolts 110 are threadedly connected to the outer side of the motor rear cover 108. A plurality of cooling fins 111 are fixedly installed on the outer side of the motor housing 107. A plurality of segmented silencer plates 112 are fixedly installed on the inner side of the motor housing 107. The segmented silencer plates 112 and the cooling fins 111 are staggered. The motor stator 113 is fixedly installed inside the segmented silencer plate 112, a conical brake pad 114 is fixedly installed on one side of the motor housing 107, and support frames 115 are symmetrically installed on both sides of the bottom of the motor housing 107. A mounting base plate 116 is fixedly installed on the bottom of the support frame 115, and reinforcing bolts 117 are threadedly connected around the inside of the mounting base plate 116. By setting the heat dissipation and mute mechanism 1, not only can the conical brake disc 105 and the conical brake pad 114 be used to realize the braking function of the dual-speed motor, but also the heat dissipation fan 106 is used to quickly dissipate the heat inside the dual-speed motor, thereby avoiding the dual-speed motor from being damaged. When the machine is started and the temperature rises or it stops, the conical brake is used. The conical brake pad 114 is modulated and integrates the cooling fan 106 and the conical brake pad 114. It is made of hexamethylenimine, which is safe and reliable. It does not use the traditional die-casting aluminum method, and avoids the immeasurable accidents caused by the over-fatigue and breakage of the brake pot. The cooling fins 111 are provided to further dissipate the heat of the dual-speed motor. At the same time, the segmented silencer plate 112 and the cooling fins 111 are staggered, which not only does not affect the heat dissipation effect of the dual-speed motor, but also increases the silencer function of the dual-speed motor, thereby improving the practicality of the dual-speed motor.

[0031] The protection mechanism 2 includes a motor front cover 201, a plurality of second fixing bolts 202 are threadedly connected to the outer side of the motor front cover 201, a rotating bearing 203 is arranged at the inner center of the motor front cover 201, a clamping groove 204 is symmetrically provided inside the motor front cover 201, and a limiting groove 205 is symmetrically provided on both sides of the middle of the clamping groove 204 of the motor front cover 201, a spring sheet 206 is fixedly installed inside the limiting groove 205, a limiting spring 207 is fixedly installed on the outer side of the spring sheet 206, a limiting block 208 is fixedly installed at the end of the limiting spring 207, and the limiting block 208 A limited inclined groove 209 is provided on the outer side of the engaging groove 204, an ejection spring 210 is fixedly installed inside the engaging groove 204, an ejection plate 211 is fixedly connected to the end of the ejection spring 210, an engaging protrusion 212 is fitted on the outer side of the ejection plate 211, a first connecting rod 213 is fixedly connected to the inner side of the engaging protrusion 212, a second connecting rod 214 is fixedly connected to the end of the first connecting rod 213, a protective sleeve 217 is fixedly connected to the end of the second connecting rod 214, an unlocking sliding sleeve 215 is slidably connected to the middle of the first connecting rod 213, and unlocking sliding sleeves 215 are symmetrically provided on both sides. The locking bevel groove 216, the diameter of the first connecting rod 213 is smaller than the diameter of the second connecting rod 214, the protective sleeve 217 is sleeved on the end of the output shaft 101, the motor front cover 201 is fixedly connected to the motor housing 107 by the second fixing bolt 202, and the unlocking sliding sleeve 215 is engaged with the engaging protrusion 212. By setting the protective mechanism 2, the protective sleeve 217 can be used to safely protect the output shaft 101 of the dual-speed motor, so as to avoid the output shaft 101 of the dual-speed motor being exposed to the outside and colliding during transportation, thereby causing the problem of damage to the output shaft 101. 2 is engaged with the engaging groove 204, and the engaging protrusion 212 is engaged with the limit block 208 to fix the protective cover 217. The unlocking sliding cover 215 is engaged with the engaging protrusion 212 under the push of the second connecting rod 214 by pressing the protective cover 217. The limit block 208 is pushed by the unlocking inclined groove 216 and the elastic force of the ejection spring 210 is used to make the engaging protrusion 212 pass over the limit block 208, so that the protective cover 217 is ejected, which is convenient for the installation and removal of the protective cover 217. The protective cover 217 can be recycled, thereby achieving the effect of saving resources.

[0032] Working principle: Before using this energy-saving dual-speed motor, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 6As shown, first, when transporting the dual-speed motor, the protective sleeve 217 is sleeved on the end of the output shaft 101, and the protective sleeve 217 is squeezed so that the protective sleeve 217 drives the first connecting rod 213, the second connecting rod 214 and the engaging protrusion 212 to slide inside the engaging groove 204. When the engaging protrusion 212 passes over the limit block 208, the protective sleeve 217 is quickly installed and fixed. Secondly, when the dual-speed motor needs to be used, the protective sleeve 217 is continued to be pressed so that the unlocking sliding sleeve 215 is engaged with the engaging protrusion 212 under the push of the second connecting rod 214, and the unlocking inclined groove 216 is used to push the limit block 208 and under the elastic force of the ejection spring 210, the engaging protrusion 212 passes over the limit block 208, thereby ejecting the protective sleeve 217, which is convenient for the installation and removal of the protective sleeve 217. The protective sleeve 217 can be recycled, thereby saving resources. The effect is achieved. Finally, when the dual-speed motor is used, the conical brake disc 105 and the conical brake pad 114 are used to realize the braking function of the dual-speed motor. At the same time, the cooling fan 106 is used to quickly dissipate the heat inside the dual-speed motor, thereby avoiding abnormal conditions such as temperature rise and pause when the dual-speed motor is inching. The conical brake is braked and the conical brake pad 114 is modulated. The cooling fan 106 and the conical brake pad 114 are integrated into one. The material of hexamethylpentamanganese is safe and reliable. The traditional die-casting aluminum method is not used, thereby avoiding immeasurable accidents caused by excessive fatigue and crushing of the brake pot. The dual-speed motor is further cooled by arranging the cooling fins 111. At the same time, the segmented silencer plate 112 and the cooling fins 111 are staggered, which not only does not affect the heat dissipation effect of the dual-speed motor, but also increases the silencer function of the dual-speed motor, thereby improving the practicality of the dual-speed motor.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An energy-saving dual-speed motor, comprising a heat dissipation and noise reduction mechanism (1), and a motor housing (107) mounted outside the heat dissipation and noise reduction mechanism (1); A protective mechanism (2) is provided on the left side of the heat dissipation and noise reduction mechanism (1), and a protective sleeve (217) is provided on the outer side of the protective mechanism (2); It is characterized in that Also includes: The heat dissipation and noise reduction mechanism (1) comprises an output shaft (101), a brake device (102) is arranged on the left side of the output shaft (101), and a telescopic spring (103) is rotatably connected to the right side of the brake device (102); A conical rotor (104) is fixedly connected to the side of the telescopic spring (103) away from the braking device (102), and the braking device (102) is slidably connected to the output shaft (101); A conical brake disc (105) is fixedly mounted on the right side of the output shaft (101) close to the conical rotor (104), and a cooling fan (106) is threadedly connected to the right side of the output shaft (101).

2. The energy-saving dual-speed motor according to claim 1, characterized in that: A motor rear cover (108) is arranged on the right side of the motor housing (107), a heat dissipation cover (109) is fixedly installed on one side of the motor rear cover (108), a plurality of first fixing bolts (110) are threadedly connected to the outer side of the motor rear cover (108), a plurality of heat dissipation fins (111) are fixedly installed on the outer side of the motor housing (107), a plurality of segmented silencer plates (112) are fixedly installed on the inner side of the motor housing (107), and the segmented silencer plates (112) and the heat dissipation fins (111) are arranged alternately.

3. The energy-saving dual-speed motor according to claim 2, characterized in that: A motor stator (113) is fixedly installed inside the segmented silencer (112), a conical brake pad (114) is fixedly installed on one side of the inside of the motor housing (107), support frames (115) are symmetrically installed on both sides of the bottom of the motor housing (107), a mounting base plate (116) is fixedly installed on the bottom of the support frame (115), and reinforcing bolts (117) are threadedly connected around the inside of the mounting base plate (116).

4. The energy-saving dual-speed motor according to claim 1, characterized in that: The protection mechanism (2) comprises a motor front cover (201), the outer side of the motor front cover (201) is threadedly connected to a plurality of second fixing bolts (202), a rotating bearing (203) is arranged at the inner center of the motor front cover (201), a snap-fitting groove (204) is symmetrically provided in the upper and lower parts of the motor front cover (201), and limiting grooves (205) are symmetrically provided on both sides of the middle of the snap-fitting groove (204) of the motor front cover (201).

5. The energy-saving dual-speed motor according to claim 4, characterized in that: A spring sheet (206) is fixedly installed inside the limiting groove (205), a limiting spring (207) is fixedly installed outside the spring sheet (206), a limiting block (208) is fixedly installed at the end of the limiting spring (207), and a limiting inclined groove (209) is provided on the outside of the limiting block (208).

6. The energy-saving dual-speed motor according to claim 5, characterized in that: An ejection spring (210) is fixedly installed inside the locking groove (204); the end of the ejection spring (210) is fixedly connected to an ejection plate (211); the outer side of the ejection plate (211) is fitted with a locking protrusion (212); the inner side of the locking protrusion (212) is fixedly connected to a first connecting rod (213); the end of the first connecting rod (213) is fixedly connected to a second connecting rod (214); and the protective sleeve (217) is fixedly connected to the end of the second connecting rod (214).

7. The energy-saving dual-speed motor according to claim 6, characterized in that: An unlocking sliding sleeve (215) is slidably connected to the middle of the first connecting rod (213), and unlocking inclined grooves (216) are symmetrically provided on both sides of the unlocking sliding sleeve (215). The diameter of the first connecting rod (213) is smaller than the diameter of the second connecting rod (214). The protective sleeve (217) is sleeved on the end of the output shaft (101). The motor front cover (201) is fixedly connected to the motor housing (107) by a second fixing bolt (202), and the unlocking sliding sleeve (215) is engaged with the engaging protrusion (212).

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