Motor with end cover and casing shockproof structure

Abstract

The utility model discloses a motor with an end cover and a casing shockproof structure, comprising a motor casing, one side of the motor casing is provided with a front installation block, the front installation block is internally provided with a front end cover, one side of the front end cover is externally sleeved with an outer sealing ring, the front end cover is internally provided with a slot, and the slot is internally provided with an inner sealing ring. A gasket is attached to one side of the inserting groove, buffer blocks are installed at the upper end and the lower end of one side of the front end cover, and fixing grooves are formed in the upper end and the lower end of one side of the front installation block. According to the utility model, the damping and buffering structure is arranged, the outer sealing ring is sleeved outside one side of the front end cover, the front end cover is inserted into the front mounting block on one side of the motor shell through the outer sealing ring, and the buffering block outside the front end cover is clamped with the fixing groove arranged on one side of the front mounting block; and then an inserting groove formed in the front end cover communicates with the front mounting block through a gasket, a screw penetrates through the inserting groove in the front end cover and the gasket to make contact with the front mounting block, and therefore the damping and buffering functions are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a motor with an end cover and a casing anti-vibration structure. Background Art

[0002] A motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. It can be divided into DC motors and AC motors according to different types of working power supplies, and then divided into different working fields according to different working materials and structures. Drive motors are used in power tools and small appliances, etc.

[0003] The main body of the motor is composed of a stator, a rotor, an end cover and a housing. When the motor is working, it will generate vibrations. However, the existing motor end cover and the motor housing are often driven by the vibration force generated by the motor to vibrate and collide, which will cause the end cover and the motor housing to loosen, reducing the sealing of the motor, thus shortening the service life of the motor. Therefore, we propose a motor with an end cover and housing shockproof structure to improve the above problem. Utility Model Content

[0004] The utility model aims to provide a motor with an end cover and a housing anti-vibration structure to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric motor with an end cover and a casing shockproof structure, comprising a motor housing, a front mounting block is provided on one side of the motor housing, a front end cover is installed inside the front mounting block, an outer sealing ring is sleeved on the outside of one side of the front end cover, a slot is provided inside the front end cover, a gasket is attached to one side of the slot, buffer blocks are installed on the upper and lower ends of one side of the front end cover, and fixing grooves are provided on the upper and lower ends of one side of the front mounting block.

[0006] Preferably, the front end cover is clamped with the front mounting block via an outer sealing ring, and the front end cover is connected with the motor housing via the front mounting block.

[0007] Preferably, the buffer blocks installed at the upper and lower ends of the front end cover are snap-fitted with the fixing slots opened on one side of the front mounting block, and the slots opened at the upper and lower ends of the front end cover are connected with the front mounting block through gaskets.

[0008] Preferably, a rotor is installed inside the motor housing, a rotating shaft is inserted inside the rotor, a front bearing is sleeved on one side of the outside of the rotating shaft, and a rear bearing is sleeved on the other side of the outside of the rotating shaft, internal fixing blocks are provided on both sides of the inside of the motor housing, a stator is installed on the inner wall of the motor housing, and a coil is wound around the outside of the stator.

[0009] Preferably, a rear heat dissipation cover is installed on the other side of the motor housing, a heat conductive strip is installed on one side of the rear heat dissipation cover, a rear cover is sleeved on the other side of the motor housing, a filter is installed inside the rear cover, and a cooling fan is installed on one side of the rear heat dissipation cover.

[0010] Preferably, the rotating shaft passes through the motor housing and the rear heat dissipation cover to be connected to the heat dissipation fan, the filter is arranged inside the rear cover, and the rear heat dissipation cover is inserted into the inner fixing block on one side of the motor housing through a heat conductive strip.

[0011] Preferably, a power connection box is installed at the top of the motor housing, a waterproof ring is provided inside the power connection box, a flame retardant layer is provided on the inner wall of the power connection box, a power connection socket is installed inside the power connection box, and an external interface is installed on one side of the power connection box.

[0012] Preferably, the electrical connection box is connected to the outside through an external interface on one side, the flame retardant layer is coated on the inner wall of the electrical connection box, and the waterproof ring is arranged in the middle of the electrical connection box.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the motor with the end cover and the housing shockproof structure not only realizes the shock absorption and buffering function, realizes the contact heat dissipation function, but also realizes the waterproof and flame retardant function;

[0014] (1) By setting a shock-absorbing and buffering structure, the utility model is beneficial in that: when in use, an outer sealing ring is sleeved on the outside of one side of the front end cover, the front end cover is inserted into the front mounting block on one side of the motor housing through the outer sealing ring, the buffer block outside the front end cover is clamped with the fixing groove opened on one side of the front mounting block, and then the slot opened inside the front end cover is connected with the front mounting block through the gasket, the screw rod is passed through the slot inside the front end cover and the gasket to contact the front mounting block, and the front end cover is fixed to the inside of the front mounting block on one side of the motor housing, thereby realizing the shock-absorbing and buffering function;

[0015] (2) By setting a contact heat dissipation structure, the utility model has the following advantages: when in use, the heat-conducting strip on one side of the rear heat dissipation cover is inserted into the motor housing and contacts the inner fixing block, and the heat generated by the operation of the rotor, coil and stator inside the motor housing is absorbed by the motor housing and the heat-conducting strip. The heat dissipation fan on one side of the rear heat dissipation cover rotates, and the heat dissipation fan transports the heat of the heat-conducting strip carried by the rear heat dissipation cover out of the filter screen on one side of the rear cover to dissipate the heat of the motor, thereby realizing the contact heat dissipation function;

[0016] (3) By providing a waterproof and flame-retardant structure, the utility model has the following advantages: when in use, the wire is connected to the power socket inside the power box through the external interface on one side of the power box, and the motor is energized. The waterproof ring provided inside the power box can increase the sealing of the power box, and the flame-retardant layer provided on the inner wall of the power box can reduce the impact of fire inside the power box on the outside, thereby achieving waterproof and flame-retardant functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the end cover and the front mounting block of the utility model;

[0019] Figure 3 It is a schematic diagram of the enlarged cross-section structure of the rear cover of the utility model;

[0020] Figure 4 It is a schematic diagram of the enlarged cross-section structure of the power connection box of the present utility model.

[0021] In the figure: 1. rotating shaft; 2. front end cover; 3. front bearing; 4. front mounting block; 5. motor housing; 6. coil; 7. stator; 8. rotor; 9. power connection box; 10. rear heat dissipation cover; 11. inner fixing block; 12. cooling fan; 13. rear cover; 14. rear bearing; 15. gasket; 16. slot; 17. buffer block; 18. fixing groove; 19. outer sealing ring; 20. filter screen; 21. thermal conductive strip; 22. power connection socket; 23. flame retardant layer; 24. waterproof ring; 25. external interface. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1: Please refer to Figure 1-4 , a motor with an end cover and a housing anti-vibration structure, comprising a motor housing 5, a front mounting block 4 is arranged on one side of the motor housing 5, a front end cover 2 is installed inside the front mounting block 4, an outer sealing ring 19 is sleeved on one side of the front end cover 2, a slot 16 is opened inside the front end cover 2, a gasket 15 is attached to one side of the slot 16, a buffer block 17 is installed on the upper and lower ends of one side of the front end cover 2, and a fixing groove 18 is opened on the upper and lower ends of one side of the front mounting block 4;

[0024] The front end cover 2 is clamped with the front mounting block 4 through the outer sealing ring 19, and the front end cover 2 is connected with the motor housing 5 through the front mounting block 4. The buffer blocks 17 installed at the upper and lower ends of the front end cover 2 are clamped with the fixing groove 18 opened on one side of the front mounting block 4. The slot 16 is opened at the upper and lower ends of the front end cover 2 and communicates with the front mounting block 4 through the gasket 15.

[0025] Specifically, Figure 1 and Figure 2 As shown, by setting a shock-absorbing and buffering structure, an outer sealing ring 19 is provided on the outer sleeve of one side of the front end cover 2 when in use, the front end cover 2 is inserted into the front mounting block 4 on one side of the motor housing 5 through the outer sealing ring 19, the buffer block 17 outside the front end cover 2 is snapped into the fixing groove 18 opened on one side of the front mounting block 4, and then the slot 16 opened inside the front end cover 2 is connected with the front mounting block 4 through the gasket 15, the screw is passed through the slot 16 and the gasket 15 inside the front end cover 2 to contact the front mounting block 4, and the front end cover 2 is fixed to the inside of the front mounting block 4 on one side of the motor housing 5, thereby realizing the shock-absorbing and buffering function.

[0026] Embodiment 2: A rotor 8 is installed inside the motor housing 5, a rotating shaft 1 is inserted inside the rotor 8, a rear heat dissipation cover 10 is installed on the other side of the motor housing 5, a heat conducting strip 21 is installed on one side of the rear heat dissipation cover 10, a rear cover 13 is sleeved on the other side of the motor housing 5, a filter 20 is installed inside the rear cover 13, and a cooling fan 12 is installed on one side of the rear heat dissipation cover 10;

[0027] The rotating shaft 1 passes through the motor housing 5 and the rear heat dissipation cover 10 to be connected with the heat dissipation fan 12, the filter 20 is arranged inside the rear cover 13, and the rear heat dissipation cover 10 is inserted into the inner fixing block 11 on one side of the motor housing 5 through the heat conduction strip 21;

[0028] Specifically, Figure 1 and Figure 3 As shown, by setting a contact heat dissipation structure, when in use, the heat conductive strip 21 on one side of the rear heat dissipation cover 10 is inserted into the motor housing 5 and contacts the inner fixing block 11, and the heat generated by the operation of the rotor 8, coil 6 and stator 7 inside the motor housing 5 is absorbed by the motor housing 5 and the heat conductive strip 21. The heat dissipation fan 12 on one side of the rear heat dissipation cover 10 is rotated, and the heat dissipation fan 12 transports the heat of the heat conductive strip 21 carried by the rear heat dissipation cover 10 out from the filter 20 on one side of the rear cover 13 to dissipate the heat of the motor, thereby realizing the contact heat dissipation function.

[0029] Embodiment 3: The rotating shaft 1 passes through the motor housing 5 and the rear heat dissipation cover 10 to be connected to the heat dissipation fan 12, the filter 20 is arranged inside the rear cover 13, and the rear heat dissipation cover 10 is inserted into the inner fixing block 11 on one side of the motor housing 5 through the heat conducting strip 21;

[0030] A power connection box 9 is installed at the top of the motor housing 5, a waterproof ring 24 is provided inside the power connection box 9, a flame retardant layer 23 is provided on the inner wall of the power connection box 9, a power connection socket 22 is installed inside the power connection box 9, and an external interface 25 is installed on one side of the power connection box 9;

[0031] Specifically, Figure 2 and Figure 4 As shown, by setting a waterproof and flame-retardant structure, when in use, the wire is connected to the power socket 22 inside the power connection box 9 through the external interface 25 on one side of the power connection box 9, and the motor is energized. The waterproof ring 24 set inside the power connection box 9 can increase the sealing of the power connection box 9, and the flame-retardant layer 23 set on the inner wall of the power connection box 9 can reduce the impact of fire inside the power connection box 9 on the outside, thereby achieving waterproof and flame-retardant functions.

[0032] Working principle: When using the utility model, firstly, an outer sealing ring 19 is sleeved on the outside of one side of the front end cover 2, and the front end cover 2 is inserted into the front mounting block 4 on one side of the motor housing 5 through the outer sealing ring 19, so that the buffer block 17 on the outside of the front end cover 2 is clamped with the fixing groove 18 opened on one side of the front mounting block 4, and then the slot 16 opened inside the front end cover 2 is connected with the front mounting block 4 through the gasket 15, and the screw is passed through the slot 16 and the gasket 15 inside the front end cover 2 to contact the front mounting block 4, and the front end cover 2 is fixed to the inside of the front mounting block 4 on the side of the motor housing 5, and then the wire is connected to the power socket 22 inside the power box 9 through the external interface 25 on one side of the power box 9. The motor is connected and energized. When in use, the rotating shaft 1 and the rotor 8 in the motor housing 5 are rotated, and the heat generated by the operation of the rotor 8, the coil 6 and the stator 7 inside the motor housing 5 is absorbed by the motor housing 5 and the thermal conductive strip 21 on one side of the rear heat dissipation cover 10. The cooling fan 12 on one side of the rear heat dissipation cover 10 rotates, and the cooling fan 12 transfers the heat of the thermal conductive strip 21 carried by the rear heat dissipation cover 10 out through the filter screen 20 on one side of the rear cover 13 to dissipate the heat of the motor. The waterproof ring 24 arranged inside the power connection box 9 can increase the sealing performance of the power connection box 9, and the flame retardant layer 23 arranged on the inner wall of the power connection box 9 can increase the safety of the use of the power connection box 9.

[0033] 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 motor with an end cover and housing anti-vibration structure, comprising a motor housing (5), characterized in that: A front mounting block (4) is provided on one side of the motor housing (5), a front end cover (2) is installed inside the front mounting block (4), an outer sealing ring (19) is sleeved on one side of the front end cover (2), a slot (16) is provided inside the front end cover (2), a gasket (15) is attached to one side of the slot (16), buffer blocks (17) are installed on the upper and lower ends of one side of the front end cover (2), and a fixing groove (18) is provided on the upper and lower ends of one side of the front mounting block (4).

2. The motor with end cover and housing shockproof structure according to claim 1, characterized in that: The front end cover (2) is clamped with the front mounting block (4) via an outer sealing ring (19), and the front end cover (2) is connected to the motor housing (5) via the front mounting block (4).

3. The motor with end cover and housing shockproof structure according to claim 1, characterized in that: The buffer blocks (17) installed at the upper and lower ends of the front end cover (2) are snap-connected with the fixing groove (18) opened on one side of the front mounting block (4), and the slot (16) opened at the upper and lower ends of the front end cover (2) is connected with the front mounting block (4) through the gasket (15).

4. The motor with an end cover and housing shockproof structure according to claim 1, characterized in that: A rotor (8) is installed inside the motor housing (5), a rotating shaft (1) is inserted inside the rotor (8), a front bearing (3) is sleeved on one side of the outside of the rotating shaft (1), and a rear bearing (14) is sleeved on the other side of the outside of the rotating shaft (1), inner fixing blocks (11) are arranged on both sides of the inside of the motor housing (5), a stator (7) is installed on the inner wall of the motor housing (5), and a coil (6) is wound around the outside of the stator (7).

5. The motor with end cover and housing shockproof structure according to claim 4, characterized in that: A rear heat dissipation cover (10) is installed on the other side of the motor housing (5), a heat conduction strip (21) is installed on one side of the rear heat dissipation cover (10), a rear cover (13) is sleeved on the other side of the motor housing (5), a filter (20) is installed inside the rear cover (13), and a heat dissipation fan (12) is installed on one side of the rear heat dissipation cover (10).

6. The motor with end cover and housing shockproof structure according to claim 5, characterized in that: The rotating shaft (1) passes through the motor housing (5) and the rear heat dissipation cover (10) to be connected to the heat dissipation fan (12); the filter (20) is arranged inside the rear cover (13); and the rear heat dissipation cover (10) is inserted into the interior of the inner fixing block (11) on one side of the motor housing (5) through a heat conducting strip (21).

7. The motor with end cover and housing shockproof structure according to claim 1, characterized in that: A power connection box (9) is installed at the top of the motor housing (5), a waterproof ring (24) is provided inside the power connection box (9), a flame retardant layer (23) is provided on the inner wall of the power connection box (9), a power connection socket (22) is installed inside the power connection box (9), and an external interface (25) is installed on one side of the power connection box (9).

8. The motor with end cover and housing anti-vibration structure according to claim 7, characterized in that: The electrical connection box (9) is connected to the outside via an external interface (25) on one side, the flame retardant layer (23) is coated on the inner wall of the electrical connection box (9), and the waterproof ring (24) is arranged in the middle of the electrical connection box (9).

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