Brushless direct current motor convenient to install rotor structure

Abstract

The utility model relates to the technical field of brushless direct current motors, and discloses a brushless direct current motor convenient to install a rotor structure, which comprises a motor shell, a bottom plate and a bearing sleeve, a rotor mechanism is fixedly installed on the inner wall of the bearing sleeve, and an installation mechanism is fixedly installed on the bottom end face of the bottom plate. When the rotor body needs to be replaced or maintained, a fixing bolt is rotated, a rotating shaft, a top plate and a bearing sleeve are taken up, a shifting rod is further shifted, a sliding block is driven to slide in an arc-shaped groove, a connecting ring and a connecting plate are further driven to rotate, a mounting ring is further driven to rotate, a connecting block is further driven to rotate, and a connecting rod is driven to deflect; the fixing block is further pushed to deflect with the fixing pin as the circle center, the fixing block is separated from the fixing groove, at the moment, the rotor body can be taken out from the interior of the motor shell, a series of linkage mechanical transmission is generated by poking the poking rod, opening and closing of the fixing block can be controlled, convenience and installation efficiency of the rotor body during installation are improved, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of brushless DC motors, in particular to a brushless DC motor with a rotor structure that is easy to install. Background Art

[0002] The brushless DC motor consists of a motor body and a driver, and is a typical mechatronics product. Since the brushless DC motor is operated in an automatic manner, it does not require an additional starting winding on the rotor like a synchronous motor that starts under heavy load under variable frequency speed regulation, nor does it produce oscillation and loss of step when the load changes suddenly. With the continuous development of society, brushless motors are widely used in various automatic control equipment, office supplies, automobiles and other industries.

[0003] The existing brushless DC motor rotor is usually fastened or fixed by bolts or baffles during installation. Since the rotor is inside the motor, it is inconvenient to install, replace and maintain.

[0004] Therefore, it is necessary to provide a brushless DC motor with a rotor structure that is easy to install. Utility Model Content

[0005] The utility model aims to provide a brushless DC motor with a convenient rotor installation structure, so as to solve the above-mentioned problem of inconvenient rotor installation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a brushless DC motor with a rotor structure that is easy to install, comprising a motor housing, a base plate and a bearing sleeve, wherein the inner wall of the bearing sleeve is fixedly mounted with a rotor mechanism, and the bottom end surface of the base plate is fixedly mounted with a mounting mechanism; the mounting mechanism comprises a mounting piece and a mounting ring, the mounting ring is provided with sliding grooves extending through the upper and lower parts, a connecting block is fixedly mounted on the inner wall of the mounting ring, a connecting rod is hingedly mounted on the side of the connecting block, a fixing block is hingedly mounted on the side of the connecting rod, a through hole is extended through the upper and lower parts of the fixing block, a fixing pin is hingedly mounted on the inner wall of the through hole, the end face of the fixing pin is fixedly connected to the inner wall of the mounting piece, and a rubber pad is fixedly mounted on the side of the fixing block.

[0007] Preferably, an arc-shaped groove is fixedly formed on the bottom end surface of the mounting piece, a slider is slidably mounted on the inner wall of the arc-shaped groove, a lever is fixedly mounted on the side surface of the slider, and a connecting ring is fixedly mounted on the top end surface of the slider.

[0008] Preferably, a connecting plate is fixedly installed on the top surface of the connecting ring, a mounting ring is fixedly installed on the top surface of the connecting plate, a limiting block is slidably installed on the inner wall of the slide groove, the top surface of the limiting block is fixedly connected to the top surface of the inner wall of the mounting piece, and a bayonet is fixedly opened on the bottom surface of the mounting piece.

[0009] Preferably, the rotor mechanism comprises a rotor body, a fixing groove is fixedly opened on the side surface of the bottom end of the rotor body, and the inner wall of the fixing groove is adapted to the side surface of the fixing block.

[0010] Preferably, a clamping block is fixedly mounted on the side surface of the bottom end of the rotor body, and a permanent magnet block is fixedly arranged on the inner wall of the rotor body.

[0011] Preferably, a fixing bolt is threadedly mounted on the top surface of the motor housing, a top plate is mounted on the side of the fixing bolt in compression contact, and a rotating shaft is fixedly mounted on the top surface of the top plate.

[0012] Preferably, a bearing sleeve is fixedly installed on the inner wall of the top plate, the bottom end surface of the motor housing is fixedly connected to the top end surface of the bottom plate, a through hole is opened through the bottom of the bottom plate, a bearing seat is fixedly installed on the inner wall of the through hole, a coil is fixedly installed on the inner wall of the motor housing, the inner wall of the coil is slidably connected to the side surface of the rotor body, and the bottom end surface of the bearing seat is fixedly connected to the top end surface of the mounting member.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1) The brushless DC motor with a rotor structure that is easy to install, when the rotor body needs to be replaced or maintained, the fixing bolt is turned to pick up the rotating shaft, the top plate and the bearing sleeve, and the lever is further toggled to drive the slider to slide inside the arc groove, thereby driving the connecting ring and the connecting plate to rotate, thereby driving the mounting ring to rotate, thereby driving the connecting block to rotate, driving the connecting rod to deflect, and further pushing the fixing block to deflect with the fixing pin as the center of the circle, so that the fixing block is separated from the fixing groove. At this time, the rotor body can be taken out from the inside of the motor housing, and a series of interlocking mechanical transmissions are generated by toggling the lever, which can control the opening and closing of the fixing block, thereby improving the convenience and efficiency of installing the rotor body, and having high practicality.

[0015] 2) The brushless DC motor with an easy-to-install rotor structure, when installing the rotor body, align the clamping block with the clamping mouth, and install the rotor body. After the installation is completed, the top plate, the bearing sleeve and the rotating shaft are installed on the top surface of the motor housing through fixing bolts to complete the installation of the rotor body, simplifying the installation steps and processes of the rotor body, and greatly improving the installation efficiency of the rotor theme. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of a brushless DC motor that is easy to install a rotor structure in an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the bottom structure in the embodiment of the utility model;

[0018] Figure 3This is a schematic diagram of the cross-sectional structure of the housing in the embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the coil structure in the embodiment of the utility model;

[0020] Figure 5 This is a schematic diagram of the rotor mechanism structure in the embodiment of the utility model;

[0021] Figure 6 This is a schematic diagram of the partial structure of the installation mechanism in the embodiment of the utility model;

[0022] Figure 7 It is a schematic diagram of the installation ring structure in the embodiment of the utility model.

[0023] In the figure: 1. motor housing; 2. bottom plate; 3. bearing seat; 4. coil; 5. top plate; 6. bearing sleeve; 7. fixing bolt; 8. rotating shaft; 9. rotor mechanism; 901. rotor body; 902. fixing groove; 903. clamping block; 904. permanent magnet block; 10. mounting mechanism; 1001. mounting piece; 1002. limit block; 1003. mounting ring; 1004. slide groove; 1005. connecting plate; 1006. connecting ring; 1007. slider; 1008. lever; 1009. arc groove; 1010. bayonet; 1011. connecting block; 1012. connecting rod; 1013. fixing block; 1014. fixing pin; 1015. rubber pad. DETAILED DESCRIPTION

[0024] 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.

[0025] Embodiment 1

[0026] Combination Figure 1-Figure 5A brushless DC motor with a convenient rotor structure installation includes a motor housing 1, a bottom plate 2 and a bearing sleeve 6, wherein a rotor mechanism 9 is fixedly installed on the inner wall of the bearing sleeve 6, and a mounting mechanism 10 is fixedly installed on the bottom end surface of the bottom plate 2; the mounting mechanism 10 includes a mounting piece 1001 and a mounting ring 1003, wherein the mounting ring 1003 is provided with a slide groove 1004 extending from top to bottom, a connecting block 1011 is fixedly installed on the inner wall of the mounting ring 1003, a connecting rod 1012 is hingedly installed on the side of the connecting block 1011, a fixing block 1013 is hingedly installed on the side of the connecting rod 1012, a through hole is provided on the upper and lower sides of the fixing block 1013, a fixing pin 1014 is hingedly installed on the inner wall of the through hole, and the end surface of the fixing pin 1014 is connected to the mounting piece 1001. 1 is fixedly connected to the inner wall of the fixing block 1013, a rubber pad 1015 is fixedly installed on the side of the fixing block 1013, an arc groove 1009 is fixedly opened on the bottom end surface of the mounting piece 1001, a slider 1007 is slidably installed on the inner wall of the arc groove 1009, a lever 1008 is fixedly installed on the side of the slider 1007, a connecting ring 1006 is fixedly installed on the top surface of the slider 1007, a connecting plate 1005 is fixedly installed on the top surface of the connecting ring 1006, a mounting ring 1003 is fixedly installed on the top surface of the connecting plate 1005, a limiting block 1002 is slidably installed on the inner wall of the sliding groove 1004, the top surface of the limiting block 1002 is fixedly connected to the top surface of the inner wall of the mounting piece 1001, and a bayonet 1010 is fixedly opened on the bottom end surface of the mounting piece 1001.

[0027] Specifically, when the rotor body 901 needs to be replaced or maintained, the fixing bolt 7 is rotated to lift the shaft 8, the top plate 5 and the bearing sleeve 6, and the lever 1008 is further toggled to drive the slider 1007 to slide inside the arc groove 1009, thereby driving the connecting ring 1006 and the connecting plate 1005 to rotate, thereby driving the mounting ring 1003 to rotate, thereby driving the connecting block 1011 to rotate, driving the connecting rod 1012 to deflect, and further pushing the fixing block 1013 to take the fixing pin 1014 as the center of the circle. Deflection is performed to disengage the fixing block 1013 from the fixing groove 902, and the rotor body 901 can be taken out from the motor housing 1 at this time; the connecting ring 1006 can drive the mounting ring 1003 to rotate when the slider 1007 moves, so that the opening and closing of the fixing block 1013 is smoother; the rubber pad 1015 can increase the friction with the rotor body 901 and protect the rotor body, and the mounting member 1001 can protect the mounting mechanism 10 from damage and play a protective role.

[0028] Embodiment 2

[0029] See also Figure 3 and Figure 5, it is further obtained that the rotor mechanism 9 includes a rotor body 901, a fixing groove 902 is fixedly opened on the bottom side of the rotor body 901, the inner wall of the fixing groove 902 is adapted to the side of the fixing block 1013, a clamping block 903 is fixedly installed on the bottom side of the rotor body 901, a permanent magnet block 904 is fixedly arranged on the inner wall of the rotor body 901, a fixing bolt 7 is threadedly installed on the top surface of the motor housing 1, a top plate 5 is installed by extrusion contact on the side of the fixing bolt 7, a rotating shaft 8 is fixedly installed on the top surface of the top plate 5, a bearing sleeve 6 is fixedly installed on the inner wall of the top plate 5, the bottom end surface of the motor housing 1 is fixedly connected to the top surface of the bottom plate 2, a through hole is opened through the bottom plate 2, a bearing seat 3 is fixedly installed on the inner wall of the through hole, a coil 4 is fixedly installed on the inner wall of the motor housing 1, the inner wall of the coil 4 is slidably connected to the side of the rotor body 901, and the bottom end surface of the bearing seat 3 is fixedly connected to the top surface of the mounting member 1001.

[0030] Specifically, when installing the rotor body 901, align the block 903 with the bayonet 1010, and install the rotor body 901. After the installation is completed, the top plate 5, the bearing sleeve 6 and the rotating shaft 8 are installed on the top surface of the motor housing 1 through the fixing bolts 7 to complete the installation of the rotor body 901. The bearing seat 3 can play a role in not causing position conflict with the mounting part 1001 when the motor housing 1 rotates. The fixing bolts 7 can fix the rotating shaft 8 on the surface of the motor housing 1, thereby improving the stability and installation speed of the device during rotation.

[0031] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A brushless DC motor with a convenient rotor installation structure, comprising a motor housing (1), a base plate (2) and a bearing sleeve (6), characterized in that: A rotor mechanism (9) is fixedly mounted on the inner wall of the bearing sleeve (6), and a mounting mechanism (10) is fixedly mounted on the bottom end surface of the base plate (2); The mounting mechanism (10) comprises a mounting member (1001) and a mounting ring (1003); a sliding groove (1004) is provided through the mounting ring (1003) from top to bottom; a connecting block (1011) is fixedly installed on the inner wall of the mounting ring (1003); a connecting rod (1012) is hingedly installed on the side of the connecting block (1011); a fixing block (1013) is hingedly installed on the side of the connecting rod (1012); a through hole is provided through the fixing block (1013) from top to bottom; a fixing pin (1014) is hingedly installed on the inner wall of the through hole; an end face of the fixing pin (1014) is fixedly connected to the inner wall of the mounting member (1001); and a rubber pad (1015) is fixedly installed on the side of the fixing block (1013).

2. A brushless DC motor with a rotor structure that is easy to install according to claim 1, characterized in that: The bottom end surface of the mounting member (1001) is fixedly provided with an arc-shaped groove (1009), the inner wall of the arc-shaped groove (1009) is slidably provided with a slider (1007), the side surface of the slider (1007) is fixedly provided with a lever (1008), and the top end surface of the slider (1007) is fixedly provided with a connecting ring (1006).

3. A brushless DC motor with a rotor structure that is easy to install according to claim 2, characterized in that: A connecting plate (1005) is fixedly mounted on the top surface of the connecting ring (1006), a mounting ring (1003) is fixedly mounted on the top surface of the connecting plate (1005), a limit block (1002) is slidably mounted on the inner wall of the slide groove (1004), the top surface of the limit block (1002) is fixedly connected to the top surface of the inner wall of the mounting member (1001), and a bayonet (1010) is fixedly provided on the bottom surface of the mounting member (1001).

4. The brushless DC motor with a convenient rotor installation structure according to claim 1, characterized in that: The rotor mechanism (9) comprises a rotor body (901), a fixing groove (902) is fixedly opened on the side surface of the bottom end of the rotor body (901), and the inner wall of the fixing groove (902) is adapted to the side surface of the fixing block (1013).

5. A brushless DC motor with a convenient rotor installation structure according to claim 4, characterized in that: A clamping block (903) is fixedly mounted on the side surface of the bottom end of the rotor body (901), and a permanent magnet block (904) is fixedly arranged on the inner wall of the rotor body (901).

6. The brushless DC motor with a convenient rotor installation structure according to claim 1, characterized in that: The top surface of the motor housing (1) is threadedly mounted with a fixing bolt (7), a top plate (5) is pressed and contacted on the side of the fixing bolt (7), and a rotating shaft (8) is fixedly mounted on the top surface of the top plate (5).

7. A brushless DC motor with a convenient rotor installation structure according to claim 6, characterized in that: A bearing sleeve (6) is fixedly mounted on the inner wall of the top plate (5); the bottom end surface of the motor housing (1) is fixedly connected to the top end surface of the bottom plate (2); through holes are provided through the bottom plate (2) from top to bottom; a bearing seat (3) is fixedly mounted on the inner wall of the through hole; a coil (4) is fixedly mounted on the inner wall of the motor housing (1); the inner wall of the coil (4) is slidably connected to the side surface of the rotor body (901); and the bottom end surface of the bearing seat (3) is fixedly connected to the top end surface of the mounting member (1001).

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