CN213521452U

CN213521452U - Brushless motor protective housing

Info

Publication number: CN213521452U
Application number: CN202022325213.5U
Authority: CN
Inventors: 华宝生
Original assignee: Foshan Froude Electromechanical Technology Co ltd
Current assignee: Foshan Froude Electromechanical Technology Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-22
Anticipated expiration: 2030-10-19

Abstract

The utility model relates to a brushless motor technical field just discloses a brushless motor protective housing, which comprises a housin. This brushless motor protective housing, left side through the casing is close to top fixed mounting has three connecting rod, and left end fixedly connected with stop collar at the connecting rod, and the threaded rod has been cup jointed in the activity of stop collar, and side fixed mounting has the thread groove around being close to the centre in the outside of threaded rod, and the thread groove arrangement order of both sides is opposite around making, and the thread groove that passes through the front and back side at the threaded rod is respectively the screw thread cup joint front splint and back splint, and be close to the end opening at the front surface of screw and be equipped with the screw, thereby make brushless motor when putting inside the casing, rotatory threaded rod, thereby make front splint and the back splint of both sides move in opposite directions around making, make back splint and front splint be close to each other with brushless motor's output shaft clamp tightly, then fix front splint and back splint with the bolt through the screw of bottom mutually.

Description

Brushless motor protective housing

Technical Field

The utility model relates to a brushless motor technical field specifically is a brushless motor protective housing.

Background

The brushless DC motor is a typical electromechanical integration product, because the brushless DC motor is operated in an automatic control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under heavy load under variable frequency speed regulation, oscillation and step-out can not be generated when the load suddenly changes, and because the brushless DC motor has the characteristics of a DC brush motor and is a device with variable frequency, the brushless DC motor is also named as DC frequency conversion, the international name is BLDC, the operating efficiency, low-speed torque, rotating speed precision and the like of the brushless DC motor are better than those of a frequency converter of any control technology, so the brushless DC motor is worth paying attention to the industry

When the brushless motor works, an output shaft of the brushless motor generally needs to be connected with other objects (such as a stirring paddle, a rotating rod and the like), if the output shaft of the brushless motor shakes, the connected objects are easily damaged, and the brushless motor shakes during working and is easily collided with the inner wall of a shell to cause damage.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a brushless motor protective housing possesses the advantage of fixed motor output shaft, has solved the problem of proposing among the above-mentioned background art.

The utility model provides a following technical scheme: a brushless motor protective shell comprises a shell, wherein three connecting rods are fixedly mounted on the left side of the shell close to the top, limiting sleeves are fixedly mounted at the left ends of the three connecting rods, threaded rods are movably sleeved in the limiting sleeves, thread grooves are fixedly mounted on the outer sides of the threaded rods close to the two sides of the middle of the threaded rods, the arrangement directions of the two thread grooves are opposite, the threaded rods are sleeved with a rear clamping plate through thread grooves on the rear side, front clamping plates are sleeved with the threaded rods through thread grooves on the front side, screw holes are formed in the front surfaces of the front clamping plates close to the bottom, sliding grooves are formed in the top of the shell close to the two sides of the middle of the shell, sliding rods are movably sleeved in the sliding grooves, mounting blocks are fixedly mounted at the bottoms of the sliding rods, mounting rods are fixedly mounted at the tops of the sliding rods, and first springs are movably sleeved, the bottom end of the first spring is fixedly connected with the shell, the top end of the first spring is fixedly connected with the sliding rod, grooves are formed in the bottom of the inner cavity of the shell and close to the two sides of the middle of the inner cavity of the shell, fixed frames are fixedly mounted in the grooves, second springs are fixedly connected to the bottoms of the fixed frames, supporting blocks are fixedly connected to the tops of the second springs, and arc plates are fixedly connected to the tops of the supporting blocks.

Preferably, the bottom of the shell is fixedly provided with four supporting legs, and the supporting legs are made of rubber materials.

Preferably, a fan is fixedly installed on the right side of the inner cavity of the shell, filter plates are fixedly installed on the upper side and the lower side of the inner cavity of the shell, and the filter plates are located between the arc-shaped plate and the fan.

Preferably, the middle of the upper side and the lower side of the shell are both provided with vent holes.

Preferably, a pull rod is fixedly installed on the upper surface of the installation rod and is located in the middle of the installation rod.

Preferably, the three limiting sleeves are respectively positioned in the middle and on two sides of the threaded rod.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the brushless motor protective shell is fixedly provided with three connecting rods close to the top through the left side of a shell, a limiting sleeve is fixedly connected to the left end of each connecting rod, a threaded rod is movably sleeved in the limiting sleeve, thread grooves are fixedly arranged on the outer side of the threaded rod close to the front side and the rear side in the middle, the arrangement sequence of the thread grooves on the front side and the rear side is opposite, a front clamping plate and a rear clamping plate are respectively sleeved on the threaded rod through the thread grooves on the front side and the rear side in a threaded manner, a threaded hole is arranged on the front surface of the threaded hole close to the bottom, so that the brushless motor is placed in the shell, the threaded rod is rotated, the front clamping plate and the rear clamping plate on the front side and the rear side move oppositely, the rear clamping plate and the front clamping plate are close to each other to clamp an output shaft of the brushless motor, then the front, and then make brushless motor's output shaft can not rock, prevent that the object of connection from appearing damaging.

2. The brushless motor protective shell is characterized in that sliding grooves are formed in the left side and the right side of the top of a shell, sliding rods are movably sleeved in the sliding grooves, mounting blocks are fixedly mounted at the bottoms of the sliding rods, first springs are movably sleeved on the outer sides of the sliding rods, mounting rods are fixedly mounted at the tops of the sliding rods, grooves are formed in the two sides of the bottom of an inner cavity of the shell, fixing frames are fixedly mounted inside the grooves, second springs are fixedly mounted at the bottoms of the inner cavities of the fixing frames, supporting blocks are fixedly connected to the tops of the second springs, arc-shaped plates are fixedly connected to the tops of the supporting blocks, the mounting rods are pulled up, when the brushless motor is placed in the shell, the mounting rods are released, so that the two mounting blocks are used for pressing the motor, the arc-shaped plates at the bottom can also support the motor under the action of the second springs, and the brushless motor cannot shake, preventing it from colliding with the inside of the housing and causing damage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the front splint and the rear splint of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the point B in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a vent hole; 3. an arc-shaped plate; 4. supporting legs; 5. a screw hole; 6. a front splint; 7. a limiting sleeve; 8. a threaded rod; 9. a connecting rod; 10. mounting a rod; 11. a pull rod; 12. mounting blocks; 13. filtering the plate; 14. a fan; 15. a rear splint; 16. a thread groove; 17. a first spring; 18. a chute; 19. a slide bar; 20. a support block; 21. a groove; 22. a second spring; 23. a fixing frame is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a brushless motor protective housing comprises a housing 1, three connecting rods 9 are fixedly mounted on the left side of the housing 1 near the top, a stop collar 7 is fixedly mounted on the left ends of the three connecting rods 9, a threaded rod 8 is movably sleeved in the stop collar 7, threaded grooves 16 are fixedly mounted on the outer side of the threaded rod 8 near the middle and on both sides, the arrangement directions of the two threaded grooves 16 are opposite, the threaded rod 8 is in threaded sleeve connection with a rear clamp plate 15 through the threaded groove 16 on the rear side, the threaded rod 8 is in threaded sleeve connection with a front clamp plate 6 through the threaded groove 16 on the front side, a threaded hole 5 is formed in the front surface of the front clamp plate 6 near the bottom, three connecting rods 9 are fixedly mounted on the left side of the housing 1 near the top, the stop collar 7 is fixedly connected to the left end of the connecting rods 9, the threaded rod 8 is movably sleeved in the stop collar 7, and threaded grooves 16 are, the arrangement sequence of the thread grooves 16 on the front side and the rear side is opposite, the threaded rod 8 is respectively sleeved with a front clamping plate 6 and a rear clamping plate 15 in a threaded manner through the thread grooves 16 on the front side and the rear side, a screw hole 5 is arranged on the front surface of the screw hole 5 close to the bottom, so that when the brushless motor is placed in the shell 1, the threaded rod 8 is rotated, the front clamping plate 6 and the rear clamping plate 15 on the front side and the rear side move oppositely, the rear clamping plate 15 and the front clamping plate 6 are close to each other to clamp an output shaft of the brushless motor, then a bolt fixes the front clamping plate 6 and the rear clamping plate 15 through the screw hole 5 on the bottom, so that the output shaft is fixed, the output shaft of the brushless motor cannot shake, the connected objects are prevented from being damaged, the two sides of the top of the shell 1 close to the middle are both provided with sliding grooves 18, a sliding rod 19 is movably, the top of the sliding rod 19 is fixedly provided with an installation rod 10, the outer side of the sliding rod 19 is movably sleeved with a first spring 17, the bottom end of the first spring 17 is fixedly connected with the shell 1, the top end of the first spring 17 is fixedly connected with the sliding rod 19, two sides of the bottom of the inner cavity of the shell 1 close to the middle are respectively provided with a groove 21, a fixed frame 23 is fixedly arranged in the groove 21, the bottom of the fixed frame 23 is respectively fixedly connected with a second spring 22, the top of the second spring 22 is respectively fixedly connected with a supporting block 20, the top of the supporting block 20 is fixedly connected with an arc-shaped plate 3, the sliding grooves 18 are respectively arranged on the left side and the right side of the top of the shell 1, the sliding rod 18 is movably sleeved with the sliding rod 19, the installation block 12 is fixedly arranged at the bottom of the sliding rod 19, the outer side of the sliding rod 19 is movably sleeved with the first spring 17, and fixed mounting fixed frame 23 in the inside of recess 21, and at the inner chamber bottom fixed mounting second spring 22 of fixed frame 23, and at the top fixed connection supporting shoe 20 of second spring 22, and at the top fixed connection arc 3 of supporting shoe 20, pull up installation pole 10, when putting brushless motor in casing 1, release installation pole 10, thereby make two installation pieces 12 to the motor press, and the arc 3 of bottom also can support the motor under the effect of second spring 22, thereby make brushless motor can not rock at the during operation, prevent that it from colliding and leading to the damage with casing 1 inside.

Wherein, casing 1's bottom fixed mounting has supporting legs 4, and the quantity of supporting legs 4 is four, and supporting legs 4 are made for the rubber material, through the supporting legs 4 that set up four rubber materials in casing 1's bottom to can play the supporting role to casing 1, avoid casing 1 direct contact ground to produce the friction, and rubber still has skid-proof effect.

Wherein, the inner chamber right side fixed mounting of casing 1 has fan 14, both sides fixed mounting has filter plate 13 about the inner chamber of casing 1, filter plate 13 is located between arc 3 and fan 14, because the work of the inside brushless motor of casing 1 can produce the heat, thereby set up fan 14 in the inside of casing 1 and come to blow the heat dissipation to brushless motor, prevent that the inside high temperature of casing 1 from damaging brushless motor, and separate brushless motor and fan 14 through filter plate 13, guarantee brushless motor and fan 14 normal work.

Wherein, ventilation hole 2 has all been seted up in the middle of the upper and lower both sides of casing 1, all is equipped with ventilation hole 2 through the upper and lower both sides at casing 1 to remove the heat discharge of 1 inside of casing, make the inside temperature of casing 1 reduce, thereby guarantee brushless motor's normal work.

Wherein, the last fixed surface of installation pole 10 installs pull rod 11, and pull rod 11 is located the centre of installation pole 10, is provided with pull rod 11 through the top at installation pole 10 to only need hold pull rod 11 and just can pull up installation pole 10, thereby facilitate the use.

Wherein, three stop collar 7 is located the centre and the both sides of threaded rod 8 respectively, is provided with three stop collar 7 through the outside at threaded rod 8 to carry on spacingly to back splint 15 and front plate 6, make back splint 15 and front plate 6 can not contact, also can not make back splint 15 and front plate 6 leave threaded rod 8 at the in-process of rotating threaded rod 8.

The working principle is as follows: first, pull up the installation pole 10 at the top, then place brushless motor in the inside of casing 1, and then loosen installation pole 10, top installation piece 12 carries out the chucking with brushless motor under the reseing of first spring 17 this moment, and the arc 3 of bottom is under the effect of second spring 22, not only supports brushless motor, but also can press from both sides it with installation piece 12, thereby make brushless motor can not rock at the during operation, then rotate left threaded rod 8, thereby make the preceding splint 6 of front and back side and back splint 15 move in opposite directions, thereby press from both sides tightly brushless motor's output shaft, then fix preceding splint 6 and back splint 15 with the bolt through screw 5 of preceding splint 6 bottom, thereby fix brushless motor's output shaft, make it can not rock and collide with other objects, thereby prevent brushless motor's damage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A brushless motor protective housing, includes casing (1), its characterized in that: the left side of the shell (1) is close to the top and fixedly provided with three connecting rods (9), the left ends of the three connecting rods (9) are fixedly provided with a limiting sleeve (7), a threaded rod (8) is sleeved on the inner part of the limiting sleeve (7), threaded grooves (16) are fixedly arranged on the outer side of the threaded rod (8) close to the two sides of the middle part, the arrangement directions of the threaded grooves (16) are opposite, a rear clamping plate (15) is sleeved on the threaded rod (8) through the threaded groove (16) on the rear side, a front clamping plate (6) is sleeved on the threaded rod (8) through the threaded groove (16) on the front side, a screw hole (5) is formed on the front surface of the front clamping plate (6) close to the bottom, sliding grooves (18) are formed on the top of the shell (1) close to the two sides of the middle part, and a sliding rod (19), the equal fixed mounting in bottom of slide bar (19) has installation piece (12), the top fixed mounting of slide bar (19) has installation pole (10), first spring (17) have been cup jointed in the outside activity of slide bar (19), the bottom and casing (1) fixed connection of first spring (17), the top and slide bar (19) fixed connection of first spring (17), the both sides that the inner chamber bottom of casing (1) is close to the centre all set up fluted (21), fixed mounting has fixed frame (23) in recess (21), the equal fixedly connected with second spring (22) in bottom of fixed frame (23), the equal fixedly connected with supporting shoe (20) in top of second spring (22), the top fixedly connected with arc (3) of supporting shoe (20).

2. A brushless electric machine guard housing as claimed in claim 1, wherein: the bottom of casing (1) fixed mounting has supporting legs (4), the quantity of supporting legs (4) is four, supporting legs (4) are made for the rubber material.

3. A brushless electric machine guard housing as claimed in claim 1, wherein: the fan (14) is fixedly installed on the right side of the inner cavity of the shell (1), filter plates (13) are fixedly installed on the upper side and the lower side of the inner cavity of the shell (1), and the filter plates (13) are located between the arc-shaped plates (3) and the fan (14).

4. A brushless electric machine guard housing as claimed in claim 1, wherein: the middle of the upper side and the lower side of the shell (1) are provided with vent holes (2).

5. A brushless electric machine guard housing as claimed in claim 1, wherein: the upper surface fixed mounting of installation pole (10) has pull rod (11), pull rod (11) are located the centre of installation pole (10).

6. A brushless electric machine guard housing as claimed in claim 1, wherein: the three limiting sleeves (7) are respectively positioned in the middle and on two sides of the threaded rod (8).