CN211127394U - Motor end cover - Google Patents

Abstract

The utility model relates to a motor end cover belongs to motor technical field, and it includes the lid, be equipped with on the lid with casing inner wall matched with bulge loop, the lid deviates from one side of casing and has seted up the first recess of a plurality of along the circumferencial direction, interference fit has the rubber buffer in the first recess, be equipped with the joint spare that is used for connecting lid and casing in the first recess. The utility model discloses can reduce the joint spare and appear rusty possibility, the quick convenient dismantlement end cover body of operator of being convenient for to the operator overhauls motor inside.

Description

Motor end cover

Technical Field

The utility model belongs to the technical field of the motor technique and specifically relates to a motor end cover is related to.

Background

Chinese patent with publication number CN201616719U discloses a motor end cover, which comprises an end cover body, the end cover body comprises an end cover outer surface and an end cover inner surface, fixing feet are arranged on the outer peripheral surface of the end cover body, a bearing fixing ring is arranged on the end cover inner surface, the central axis of the bearing fixing ring coincides with the central axis of the motor end cover, the inner diameter of the bearing fixing ring is matched with the outer diameter of a bearing required to be installed, a shaft hole is further arranged at the center of the end cover body, and the diameter of the shaft hole is matched with the diameter of a motor output shaft.

The above prior art solutions have the following drawbacks: the end cover body passes through screw and casing fixed connection, and the motor is in the use, and the screw directly exposes in the outside, and easy contact humid air leads to the screw to rust, when the motor is inside to break down, need follow the casing with the end cover and dismantle the part of casing inside and overhaul, in case the screw rusts the back, can lead to hardly unscrewing the screw from the casing to the dismantlement degree of difficulty of end cover body has been increased, and then the operator of being not convenient for overhauls the motor.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, one of the purposes of the utility model is to provide a motor end cover, its advantage: the quick convenient dismantlement end cover body of operator of being convenient for to the operator overhauls the motor inside.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a motor end cover, includes the lid, be equipped with on the lid with casing inner wall matched with bulge loop, one side that the lid deviates from the casing has seted up the first recess of a plurality of along the circumferencial direction, interference fit has the rubber buffer in the first recess, be equipped with the joint spare that is used for connecting lid and casing in the first recess.

Through adopting above-mentioned technical scheme, the operator connects the lid on the casing through joint spare, the rubber buffer is made by the rubber material, rubber self is softer and produces deformation easily, the rubber buffer can seal the opening of first recess to the condition takes place in reducing moist air admission first recess, thereby it appears rusty possibility to reduce joint spare, and then joint spare is convenient for quick convenient dismantlement end cover body of operator, so that the operator overhauls motor inside.

The utility model discloses can further configure to in a preferred example the joint spare includes the dial plate, the dial plate rotates to be connected in first recess, first spout has been seted up to one side that the first recess was kept away from the lid centre of a circle, sliding connection has the carriage release lever in the first spout, the dial plate is equipped with the screw rod towards the one end of first spout, carriage release lever and screw rod threaded connection, set up the L shape groove that communicates with first spout on the bulge loop, sliding connection has the L piece in the L shape groove, L piece is connected on the carriage release lever, set up on the casing and L piece matched with the groove of holding tightly.

Through adopting above-mentioned technical scheme, the operator is with the lid lock on the casing, the operator rotates and stirs the dish and drive the screw rod and rotate, screw rod drive carriage release lever, first spout has restricted the rotation of carriage release lever circumferencial direction, make the carriage release lever be linear motion, the carriage release lever drives L shape removal this moment, make L shape piece and support tight groove and cooperate, L shape piece restriction has supported the removal in tight groove, thereby L shape piece has played spacing effect to supporting tight groove, and then joint spare is convenient for quick convenient the connecting the lid on the casing of operator, seal first recess through the rubber buffer simultaneously, cause the rusty condition of joint spare to take place in reducing moist air entering first recess, when needs overhaul the motor inside, reverse operation can, and then be convenient for quick convenient the operator pull down the lid from the casing, so that the operator overhauls motor inside.

The present invention may be further configured in a preferred embodiment as: the poking disc is provided with anti-skid grains along the peripheral direction.

Through adopting above-mentioned technical scheme, the operator is when dialling the driving disk in the rotation, and the frictional force between driving disk and operator's hand can be increased to the antiskid line to the operator rotates and dials the driving disk.

The present invention may be further configured in a preferred embodiment as: a first ring groove communicated with the first sliding groove is formed in one side, facing the shell, of the cover body, a pushing ring is connected in the first ring groove in a sliding mode, a first inclined surface is arranged at one end, facing the bottom of the first ring groove, of the pushing ring, and the first inclined surface is abutted to one end, away from the screw, of the moving rod; set up the second annular corresponding with first annular on the casing, the one side that promotes the ring towards the casing is equipped with the rubber circle, the thickness of rubber circle is greater than the groove depth of second annular.

Through adopting above-mentioned technical scheme, the in-process that the carriage release lever removed, the carriage release lever contradicts with first inclined plane, the carriage release lever produces the inclined thrust to the propulsion ring, make the propulsion ring promote the rubber circle and remove, part rubber circle stretches into in the second annular this moment, the rubber circle is made by the rubber material, rubber self is softer and have elasticity and produce deformation easily, when the propulsion ring continues to remove, the propulsion ring supports the rubber circle tightly on the diapire of second annular, the rubber circle produces deformation and expands to the periphery, the rubber circle fills up the gap between first annular and the second annular, thereby the rubber circle has played sealed effect to lid and casing, and then the condition that the gap entering casing between water follow lid and the casing takes place.

The present invention may be further configured in a preferred embodiment as: the lid has seted up the second recess on the lateral wall that first spout was kept away from to first annular, sliding connection has the baffle in the second recess, the baffle is connected on the drive ring.

Through adopting above-mentioned technical scheme, the propelling movement ring is at the in-process that removes, and the propelling movement ring moves the baffle and slides in the second recess, and the second recess has restricted the moving direction of baffle, can play the effect of direction to the baffle, in order to improve the stability that the propelling movement ring removed, the second recess can restrict the displacement of baffle simultaneously, has played the effect of blockking to the baffle, thereby has played spacing effect to the removal of propelling movement ring, and then the condition that the reducing propelling movement ring breaks away from in the first annular takes place.

The present invention may be further configured in a preferred embodiment as: the clamping piece comprises a limiting block, a second sliding groove is formed in one side, facing the shell, of the convex ring, the limiting block is connected in the second sliding groove in a sliding mode, a spring is arranged between the bottom of the second sliding groove and the limiting block, a second inclined plane is arranged on one side, away from the bottom of the second sliding groove and away from the cover body, of the limiting block, and a limiting groove matched with the limiting block is formed in the shell; waist-shaped holes are formed in the bottoms of the first grooves, poking rods are arranged in the first grooves and penetrate through the waist-shaped holes to be connected to the limiting blocks.

By adopting the technical scheme, when the operator installs the cover body, the convex ring is aligned with the shell and pushes the cover body, the shell is abutted against the second inclined plane, the shell generates oblique thrust to the limiting block, so that the limiting block is retracted into the second chute, at the moment, the spring is compressed, when the second sliding groove is aligned with the limiting groove, the spring pushes part of the limiting block to extend out of the second sliding groove under the action of elastic restoring force, the limiting block is tightly propped against the limiting groove, the limiting block limits the moving direction of the limiting groove, so that the cover body is tightly connected on the machine shell by the clamping piece, thereby facilitating the operator to rapidly and conveniently mount the cover body, when the cover body needs to be dismounted, the operator pushes the poke rod, the poke rod drives the limit block to move, so that the limit block is separated from the limit groove, and then the operator can be fast convenient lift the lid off from the casing to the operator overhauls the inside of motor.

The present invention may be further configured in a preferred embodiment as: the convex ring is provided with a water stopping groove along the peripheral direction, and an expansion water stopping belt is embedded in the water stopping groove.

Through adopting above-mentioned technical scheme, when there is water to enter in the gap between lid and the casing, the expansion waterstop meets water and swells in the twinkling of an eye, fills up the gap between bulge loop and the casing to the expansion waterstop has played the effect of sealed stagnant water, and then reduces the condition emergence that water got into the casing inside.

The present invention may be further configured in a preferred embodiment as: a guide groove is formed in one end, facing the cover body, of the machine shell, and a guide column matched with the guide groove is arranged on the cover body.

Through adopting above-mentioned technical scheme, the operator inserts the guide post in the guide way when installing the lid, and the guide way has restricted the moving direction of guide post to the guide way has played spacing and direction's effect to the guide post, and then improves lid and casing complex precision, so that the operator is quick convenient installs the lid on the casing.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the rubber plug can reduce the possibility that moist air enters the first groove to cause rusting of the clamping piece, so that the clamping piece is convenient for an operator to rapidly and conveniently detach the end cover body, and the operator can conveniently overhaul the interior of the motor;

2. the rubber ring plays a role in sealing the cover body and the shell, so that the condition that water enters the shell from a gap between the cover body and the shell can be reduced;

3. the expansion water stop band has the effect of sealing and stopping water, and the condition that water enters the inside of the machine shell can be reduced.

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is a schematic structural diagram of the embodiment 1 for embodying the clip.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an enlarged schematic view of a portion B in fig. 2.

Fig. 5 is a schematic structural diagram for embodying the clip in embodiment 2.

Fig. 6 is an enlarged schematic view of a portion C in fig. 5.

In the figure, the sealing device comprises a cover body 1, a cover body 11, a convex ring 12, a first groove 13, a rubber plug 2, a clamping piece 21, a toggle plate 211, an anti-skid grain 22, a first sliding groove 23, a moving rod 24, a screw rod 25, L-shaped grooves, a 26-L-shaped block 27, a propping groove 3, a first annular groove 3, a pushing ring 31, a 311, a first inclined surface 32, a second annular groove 33, a rubber ring 34, a second groove 35, a baffle plate 41, a second sliding groove 42, a limiting block 421, a second inclined surface 43, a spring 44, a limiting groove 45, a waist-shaped hole 46, a toggle rod 5, a water stopping groove 51, an expansion water stopping belt 52, a guide groove 53, a guide column 6 and a machine shell.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment 1, refer to fig. 1 and 2, for the utility model discloses a motor end cover, including lid 1, be equipped with on lid 1 with casing 6 inner wall matched with bulge loop 11, lid 1 deviates from one side of casing 6 and has seted up four first recesses 12 along the peripheral direction, all be equipped with a joint spare 2 that is used for connecting lid 1 and casing 6 in four first recesses 12, joint spare 2 includes dial disc 21, screw rod 24, carriage release lever 23 and L shaped piece 26, lid 1 has seted up first spout 22 in one side that first recess 12 kept away from the centre of a circle, carriage release lever 23 sliding connection is in first spout 22, dial disc 21 rotates and connects in first recess 12, screw rod 24 sets up in one side that dial disc 21 is towards carriage release lever 23, and screw rod 24 and carriage release lever 23 threaded connection, the L shape groove 25 that communicates with first spout 22 is seted up on bulge loop 11, L sliding connection is in L shaped groove 25 shaped piece 25, and L fixed connection is on carriage release lever 23, set up on the inner wall of casing 6 and support the tight groove 27 with the cooperation of L.

Referring to fig. 2 and 3, four guide grooves 52 are formed in one end of the housing 6 facing the cover 1 along the circumferential direction, the cover 1 is provided with four guide posts 53 corresponding to the four guide grooves 52, when an operator installs the cover 1, the guide posts 53 are inserted into the guide grooves 52, the guide grooves 52 limit the moving direction of the guide posts 53, so that the guide grooves 52 guide the guide posts 53, so that the operator aligns the L-shaped grooves 25 with the tightening grooves 27, at this time, the operator rotates the dial plate 21, the dial plate 21 is provided with anti-skid patterns 211 facilitating the operator to rotate the dial plate 21 along the circumferential direction, the dial plate 21 drives the screw 24 to rotate, the screw 24 drives the moving rod 23 to move, the first sliding groove 22 limits the circumferential direction rotation of the moving rod 23, so that the moving rod 23 makes a linear motion along the first sliding groove 22, the moving rod 23 drives the L-shaped block 26 to move, so that the L-shaped block 26 abuts against the tightening groove 27, the L limits the movement of the tightening groove 27, so that the L acts as to abut against the tightening groove 27, thereby facilitating the quick limiting of the operator to connect the cover 1 to the quick-speed limiting block 6.

Referring to fig. 1 and 2, interference fit has rubber buffer 13 in first recess 12, rubber buffer 13 is made by the rubber material, rubber self is softer has elasticity and produces deformation easily, the operator supports rubber buffer 13 tightly in first recess 12, rubber buffer 13 can fill up first recess 12, first recess 12 has played sealed effect, it causes the rusty condition of joint spare 2 to take place to reduce moist air admission first recess 12, when the inside of casing 6 is overhauld to needs, the operator takes off rubber buffer 13 and reverse operation joint spare 2, make L type piece 26 break away from supporting tight groove 27, and then be convenient for quick convenient the operator pull down lid 1 from casing 6, so that the operator overhauls casing 6 inside.

Referring to fig. 2 and 4, the cover body 1 is provided with a first ring groove 3 on a side of the first sliding groove 22 away from the center of the circle and facing the casing 6, and the first ring groove 3 is communicated with the first sliding groove 22. Sliding connection has the push ring 31 in the first annular 3, and the push ring 31 deviates from the one side of first annular 3 tank bottom and is equipped with rubber circle 33, offers the second annular 32 corresponding with first annular 3 on the casing 6. Meanwhile, a first inclined surface 311 is arranged on one side of the push ring 31 departing from the rubber ring 33, and the first inclined surface 311 is abutted against one end of the moving rod 23 far away from the dial plate 21. When the moving rod 23 moves, an oblique thrust is generated to the pushing ring 31, when an operator connects the cover body 1 and the casing 6, the moving rod 23 pushes the pushing ring 31 to move towards the direction of the second ring groove 32, the cover body 1 is provided with a second groove 34 communicated with the first ring groove 3 on one side of the first ring groove 3 away from the first chute 22, the pushing ring 31 is provided with a baffle 35 matched with the second groove 34, the pushing ring 31 drives the baffle 35 to move, the second groove 34 limits the moving direction of the baffle 35, and guides the baffle 35, so that the pushing ring 31 has a guiding function to improve the stability of the pushing ring 31 when moving, so that part of the rubber ring 33 accurately extends into the second ring groove 32, the rubber ring 33 is made of a rubber material, is soft and has elasticity and is easy to deform, when the rubber ring 33 is tightly pressed against the bottom of the second ring groove 32, the rubber ring 33 is extruded to expand towards the periphery, the gap between the first ring groove 3 and the second ring groove 32 is filled, so that the rubber ring 33 plays a role in sealing the cover body 1 and the casing 6, and the situation that water enters the casing 6 is reduced.

Referring to fig. 2 and 4, the convex ring 11 has a water stop groove 5 formed on the outer side wall of the side close to the cover body 1 along the circumferential direction, and an expansion water stop band 51 is embedded in the water stop groove 5. When the rubber ring 33 is damaged and water passes through the gap between the cover body 1 and the casing 6, the expansion water stop belt 51 instantly expands when encountering water, so as to fill the gap between the convex ring 11 and the inner wall of the casing 6, and the expansion water stop belt 51 further seals the cover body 1 and the casing 6, so that the situation that water enters the inside of the casing 6 is reduced.

The principle of the embodiment is that an operator inserts the guide post 53 into the guide groove 52, pushes the cover body 1 to move, aligns the L-shaped groove 25 with the abutting groove 27, then the operator rotates the dial plate 21, the dial plate 21 drives the screw 24 to rotate, the screw 24 drives the moving rod 23 to move, the moving rod 23 drives the L-shaped block 26 to slide, meanwhile, the moving rod 23 abuts against the first inclined surface 311 and pushes the push ring 31, when the L-shaped block 26 is matched with the abutting groove 27, the push ring 31 abuts against the rubber ring 33 in the second annular groove 32, the rubber ring 33 seals the cover body 1 and the machine case 6, meanwhile, the clamping piece 2 connects the cover body 1 to the machine case 6, and finally, the operator inserts the rubber plug 13 into the first groove 12.

Example 2: the utility model provides a motor end cover, with embodiment 1's difference lies in, refer to fig. 5 and fig. 6, joint spare 2 includes stopper 42, spring 43 and poker rod 46, second spout 41 has been seted up on the lateral wall that corresponds with first recess 12 to bulge loop 11, stopper 42 sliding connection is in second spout 41, communicating waist shape hole 45 with second spout 41 is seted up to the tank bottom of first recess 12, poker rod 46 wears to establish and sliding connection in waist shape hole 45, and poker rod 46 fixed connection is on stopper 42, the one end butt of spring 43 is at the tank bottom of second spout 41, the other end butt is on stopper 42, stopper 42 is kept away from spring 43 and is equipped with second inclined plane 421 in the one side that deviates from lid 1, casing 6 is last to be seted up with stopper 42 matched with spacing groove 44.

Referring to fig. 5 and 6, the operator is when installation lid 1, earlier with guide post 53 and guide way 52 cooperation and promote lid 1, casing 6 contradicts with second inclined plane 421 this moment, casing 6 produces diagonal thrust to stopper 42, push stopper 42 in the second spout 41, spring 43 is compressed, when second spout 41 aligns with spacing groove 44, spring 43 is under the effect of elastic restoring force, spring 43 promotes partial stopper 42 and stretches into spacing groove 44, stopper 42 has restricted the moving direction of spacing groove 44, thereby stopper 42 plays limiting displacement to spacing groove 44, and then joint 2 is convenient for quick convenient the connecting on casing 6 with lid 1 of operator, the operator imbeds rubber buffer 13 in first recess 12. When the cover body 1 needs to be detached, the operator takes off the rubber plug 13, pushes the poking rod 46, and the poking rod 46 drives the limiting block 42 to move, so that the limiting block 42 is separated from the limiting groove 44, the cover body 1 is detached from the casing 6 conveniently and quickly, and the operator can overhaul the inside of the casing 6 conveniently.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a motor end cover, includes lid (1), its characterized in that: be equipped with on lid (1) with casing (6) inner wall matched with bulge loop (11), a plurality of first recess (12) have been seted up along the peripheral direction to one side that lid (1) deviates from casing (6), interference fit has rubber buffer (13) in first recess (12), be equipped with joint spare (2) that are used for connecting lid (1) and casing (6) in first recess (12).

2. The motor end cover according to claim 1, characterized in that the clamping member (2) comprises a dial plate (21), the dial plate (21) is rotatably connected in a first groove (12), a first sliding groove (22) is formed in one side, away from the center of the circle, of the cover body (1), a moving rod (23) is slidably connected in the first sliding groove (22), a screw rod (24) is arranged at one end, facing the first sliding groove (22), of the dial plate (21), the moving rod (23) is in threaded connection with the screw rod (24), an L-shaped groove (25) communicated with the first sliding groove (22) is formed in the convex ring (11), a L-shaped block (26) is slidably connected in the L-shaped groove (25), the L-shaped block (26) is connected to the moving rod (23), and a pressing groove (27) matched with the L-shaped block (26) is formed in the housing (6).

3. A motor end cap in accordance with claim 2, wherein: the poking disc (21) is provided with anti-skid grains (211) along the peripheral direction.

4. A motor end cap in accordance with claim 2, wherein: a first annular groove (3) communicated with the first sliding groove (22) is formed in one side, facing the shell (6), of the cover body (1), a pushing ring (31) is connected to the first annular groove (3) in a sliding mode, a first inclined surface (311) is arranged at one end, facing the bottom of the first annular groove (3), of the pushing ring (31), and the first inclined surface (311) is abutted to one end, far away from the screw rod (24), of the moving rod (23);

set up on casing (6) with first annular (3) corresponding second annular (32), it is equipped with rubber circle (33) to push ring (31) one side towards casing (6), the depth of groove of the thickness of rubber circle (33) is greater than second annular (32).

5. An electric machine end cap according to claim 4, wherein: second recess (34) have been seted up in lid (1) on the lateral wall of first spout (22) is kept away from in first annular (3), sliding connection has baffle (35) in second recess (34), baffle (35) are connected on propelling ring (31).

6. A motor end cap in accordance with claim 1, wherein: the clamping piece (2) comprises a limiting block (42), a second sliding groove (41) is formed in one side, facing the shell (6), of the convex ring (11), the limiting block (42) is connected in the second sliding groove (41) in a sliding mode, a spring (43) is arranged between the groove bottom of the second sliding groove (41) and the limiting block (42), a second inclined plane (421) is arranged on one side, away from the groove bottom of the second sliding groove (41), of the limiting block (42) and facing away from the cover body (1), and a limiting groove (44) matched with the limiting block (42) is formed in the shell (6);

waist shape hole (45) have been seted up to the tank bottom of first recess (12), be equipped with poker rod (46) in first recess (12), poker rod (46) pass waist shape hole (45) and connect on stopper (42).

7. An electric machine end cap according to claim 2 or 6, wherein: the convex ring (11) is provided with a water stop groove (5) along the peripheral direction, and an expansion water stop belt (51) is embedded in the water stop groove (5).

8. An electric machine end cap according to claim 7, wherein: a guide groove (52) is formed in one end, facing the cover body (1), of the machine shell (6), and a guide column (53) matched with the guide groove (52) is arranged on the cover body (1).

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