CN214799130U

CN214799130U - Motor bearing cap with good stability

Info

Publication number: CN214799130U
Application number: CN202121203529.5U
Authority: CN
Inventors: 吴超; 罗新春
Original assignee: Huai'an Datong Machinery Manufacturing Co ltd
Current assignee: Huai'an Datong Machinery Manufacturing Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-11-19
Anticipated expiration: 2031-05-27

Abstract

The utility model belongs to the technical field of motor bearing caps, and discloses a motor bearing cap with good stability, which comprises a shell, wherein a front end cover and a rear end cover are respectively arranged at two ends of the shell, a driving shaft is arranged in the shell, one end of the driving shaft transversely penetrates through the front end cover, a rotor, a bearing a and a bearing b are arranged outside the driving shaft, and the bearing a and the bearing b are respectively matched with the front end cover and the rear end cover, the utility model discloses an array is arranged on the rear end cover, at least two L-shaped blocks can slide, one end of the L-shaped block is a cambered surface, when the bearing b is installed, the bearing b only needs to be vertically pressed into a second installation groove, each block is firstly extruded, and then reset after the bearing b is matched with the second installation groove, the end surface of the bearing b is limited, so that the bearing b is stably installed on the rear end cover, and a second rubber pad is pasted on the inner wall of the second installation groove, the bearing b is prevented from loosening during working, and the safety performance is improved.

Description

Motor bearing cap with good stability

Technical Field

The utility model belongs to the technical field of the motor bearing cap, concretely relates to motor bearing cap that stability is good.

Background

The motor is a device for converting electric energy into mechanical energy, and a rotating magnetic field is generated by utilizing an electrified coil and acts on a rotor to form magnetoelectric power rotating torque. The front end and the rear end of the motor are respectively provided with a bearing cover, after the parts on the shaft are assembled, the bearing covers are fixed on the machine base through bolts, the bearing is axially positioned, and meanwhile, the functions of dust prevention, sealing, torque transmission, buffering and shock absorption are achieved, so that the spindle box can stably rotate.

When the present motor is installed, the cooperation of rear end cap and bearing only adopts the cooperation form of bearing and mounting groove, does not set up stop device, and when the high-speed operation of motor drive axle, stability between bearing and the rear end cap is relatively poor, and the easy emergence is not hard up, and the motor internals during operation, the noise of sending is great, leads to operational environment comparatively noisy, brings the discomfort for the staff.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor bearing cap that stability is good to it is relatively poor to solve stability between current motor rear end cap and the bearing, and the easy emergence is not hard up, and motor internals noise is great, arouses the unwell problem of staff.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a good motor bearing cap of stability, includes the casing, front end housing and rear end cap are installed respectively to the both ends of casing, the inside of casing is provided with the drive shaft, and the one end of drive shaft transversely runs through the front end housing, the externally mounted of drive shaft has rotor, bearing a and bearing b, and bearing a and bearing b respectively with front end housing and rear end cap cooperation, elastic sliding is provided with two at least array distribution's L type pieces, every on the lateral wall of rear end cap a terminal surface of L type piece all is the cambered surface to with bearing b sliding fit, can be spacing to bearing b's terminal surface simultaneously.

Preferably, the front end housing is located and inlays on the inside lateral wall of casing and is equipped with the sound cotton of inhaling, coaxial through-hole and first mounting groove have been seted up on the front end housing, and it is inboard that the through-hole is close to the casing for first mounting groove, it has first rubber pad to bond on the inner wall of first mounting groove, and bearing an and the cooperation of first mounting groove to with first rubber pad in close contact with.

Preferably, at least two first chutes are formed in a side wall of the rear end cover located inside the shell, at least two second chutes are formed in the rear end cover, each second chute is communicated with one first chute, a first sliding block and a second sliding block are sequentially fixed to one end of the L-shaped block, the width of each second sliding block is larger than that of the corresponding first sliding block, each first sliding block is arranged in one first chute in a sliding mode, each second sliding block is arranged in one second chute in a sliding mode, and each second sliding block is connected with a spring with one end of the corresponding second chute.

Preferably, the inside of rear end cover rotates and is provided with the carousel, and all is connected with the tractive rope between carousel and every second slider.

Preferably, the outer side of the rear end cover is provided with a rotating block, and a connecting rod is connected between the rotating block and the turntable.

Preferably, a second mounting groove is formed in one side wall of the rear end cover, a second rubber pad is adhered to the inner wall of the second mounting groove, the second mounting groove is matched with the bearing b, and the bearing b is in close contact with the second rubber pad.

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

(1) the utility model discloses an array sets up two at least L type pieces on the rear end cap, L type piece slidable, the one end of L type piece is the cambered surface, during installation bearing b, only need press it perpendicularly to the second mounting groove in, every type piece is crowded earlier and is opened, reset again after bearing b and the cooperation of second mounting groove, it is spacing to bearing b's terminal surface, thereby make bearing b stable installation on the rear end cap, and paste the second rubber pad on the inner wall of second mounting groove, further improve bearing b's stability, prevent that during operation bearing b is not hard up, and the safety performance is improved.

(2) The utility model discloses an inlay on the lateral wall of front end housing and establish and inhale the sound cotton, it is inboard that the sound cotton is located the casing to inhale, it adopts 100% polyester fiber material to make to inhale the sound cotton, can absorb the most noise that sends in the motor working process, effective noise reduction decibel, for the staff provides a comparatively quiet operational environment, it has first rubber pad to paste on the first mounting groove inner wall of front end housing, can improve the stability between front end housing and the bearing an, effectively reduce the noise that produces between bearing and the end cover.

Drawings

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

fig. 2 is a schematic structural view of the front end cover of the present invention;

fig. 3 is a schematic structural view of the rear end cap of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 1;

in the figure: 1. a housing; 2. a front end cover; 3. a rear end cap; 4. a rotor; 5. a drive shaft; 6. sound-absorbing cotton; 7. a through hole; 8. a first mounting groove; 9. a first rubber pad; 10. a second mounting groove; 11. a second rubber pad; 12. an L-shaped block; 13. a pulling rope; 14. a first chute; 15. a second chute; 16. a first slider; 17. a second slider; 18. a turntable; 19. and (6) rotating the block.

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, the present invention provides the following technical solutions: a motor bearing cover with good stability comprises a shell 1, a front end cover 2 and a rear end cover 3 are respectively arranged at two ends of the shell 1, a driving shaft 5 is arranged in the shell 1, one end of a driving shaft 5 transversely penetrates through the front end cover 2, a rotor 4, a bearing a and a bearing b are arranged outside the driving shaft 5, and the bearing a and the bearing b are respectively matched with the front end cover 2 and the rear end cover 3, at least two L-shaped blocks 12 which are distributed in an array are elastically arranged on one side wall of the rear end cover 3 in a sliding way, one end face of each L-shaped block 12 is in a cambered surface and is matched with the bearing b in a sliding way, meanwhile, the end face of the bearing b can be limited, the edge of the cambered surface of the L-shaped block 12 is in the shape of 1/4 circular arcs, when the bearing b is matched with the rear end cover 3, firstly, the L-shaped blocks are in sliding contact with the cambered surface of each L-shaped block 12 and are squeezed open, and after the bearing b is installed, the L-shaped blocks 12 reset and are in contact with the end surface of the bearing b.

Further, front end housing 2 is located and inlays on the inside lateral wall of casing 1 and is equipped with and inhale sound cotton 6, inhale sound cotton 6 and make by 100% polyester fiber material, good sound effect of inhaling has, effectively reduce the noise of motor work, coaxial through-hole 7 and first mounting groove 8 have been seted up on front end housing 2, first mounting groove 8 is close to 1 inboardly of casing than through-hole 7, it has first rubber pad 9 to bond on the inner wall of first mounting groove 8, and bearing an and the cooperation of first mounting groove 8, and with first rubber pad 9 in close contact with, improve the stability between bearing an and the front end housing 2.

Furthermore, at least two first sliding grooves 14 are formed in a side wall, located inside the shell 1, of the rear end cover 3, at least two second sliding grooves 15 are formed in the rear end cover 3, each second sliding groove 15 is communicated with one first sliding groove 14, a first sliding block 16 and a second sliding block 17 are sequentially fixed to one end of each L-shaped block 12, the width of each second sliding block 17 is larger than that of each first sliding block 16, each L-shaped block 12 slides along the side wall of the rear end cover 3 to avoid falling off, each first sliding block 16 is arranged in one first sliding groove 14 in a sliding mode, each second sliding block 17 is arranged in one second sliding groove 15 in a sliding mode, each second sliding block 17 is connected with a spring at one end of each second sliding groove 15, and when the spring is in a natural state, the side wall of each L-shaped block 12 is in contact with the end face of the bearing b.

Specifically, the inside of rear end cover 3 rotates and is provided with carousel 18, and all is connected with pulling rope 13 between carousel 18 and every second slider 17, and when the spring was in the natural state, every pulling rope 13 all was in the state of straightening, rotates the usable pulling rope 13 of carousel 18 and stimulates second slider 17 and slide to the direction of keeping away from bearing b to cancel the spacing to bearing b.

It is worth to be noted that a rotating block 19 is arranged on the outer side of the rear end cover 3, a connecting rod is connected between the rotating block 19 and the rotating disc 18, and the rotating disc 18 can be rotated through the rotating block 19.

Furthermore, a second mounting groove 10 is formed in one side wall of the rear end cover 3, a second rubber pad 11 is adhered to the inner wall of the second mounting groove 10, the second mounting groove 10 is matched with the bearing b, and the bearing b is in close contact with the second rubber pad 11, so that the stability between the rear end cover 3 and the bearing b is improved, and the noise between the bearing and the end cover is reduced.

The utility model discloses a theory of operation and use flow: when the utility model is used, a worker firstly installs the rear end cover 3 at the rear end of the shell 1 through a bolt, and installs the rotor 4 and the driving shaft 5 of the bearing a and the bearing b in the shell 1, so that the bearing b is extruded into the space between the L-shaped blocks 12 along the direction perpendicular to the rear end cover 3 until one end of the bearing b is matched with the second mounting groove 10, in the process, a plurality of L-shaped blocks 12 are extruded out firstly, the first sliding block 16 and the second sliding block 17 slide in the first sliding groove 14 and the second sliding groove 15 respectively, the spring on the second sliding block 17 is stretched, after the bearing b is matched with the second mounting groove 10, the force acting on the L-shaped blocks 12 disappears, the L-shaped blocks 12 reset under the action of the spring, and limit the end face of the bearing b;

the front end cover 2 is sleeved outside the driving shaft 5, the driving shaft 5 penetrates through the through hole 7, the front end cover 2 is installed at the front end of the shell 1 through bolts, meanwhile, the bearing a is matched with the first installation groove 8, the motor is assembled, and in the working process of the motor, the sound absorption cotton 6 can absorb most of noise emitted by internal parts of the motor;

when the rear end cover 3 is disassembled, the rotating disc 18 is rotated through the rotating block 19, and is driven to slide through the pulling rope 13 to pull each second sliding block 17, so that each L-shaped block 12 moves towards the direction far away from the bearing b, the limit of the end face of the L-shaped block is cancelled, and the bearing b can be disassembled from the rear end cover 3.

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. The utility model provides a motor bearing lid that stability is good which characterized in that: including casing (1), front end housing (2) and rear end cap (3) are installed respectively to the both ends of casing (1), the inside of casing (1) is provided with drive shaft (5), and the one end of drive shaft (5) transversely runs through front end housing (2), the externally mounted of drive shaft (5) has rotor (4), bearing an and bearing b, and bearing an and bearing b respectively with front end housing (2) and rear end cap (3) cooperation, elastic sliding is provided with L type piece (12) of two at least array distributions on the lateral wall of rear end cap (3), every a terminal surface of L type piece (12) all is the cambered surface to with bearing b sliding fit, can be spacing to bearing b's terminal surface simultaneously.

2. The motor bearing cap with good stability according to claim 1, wherein: front end housing (2) are located and inlay on the inside lateral wall of casing (1) and are equipped with sound absorption cotton (6), set up coaxial through-hole (7) and first mounting groove (8) on front end housing (2), it is inboard that first mounting groove (8) are close to casing (1) than through-hole (7), it has first rubber pad (9) to bond on the inner wall of first mounting groove (8), and bearing an and first mounting groove (8) cooperation to with first rubber pad (9) in close contact with.

3. The motor bearing cap with good stability according to claim 1, wherein: rear end housing (3) are located and have seted up two at least first spout (14) on the inside lateral wall of casing (1), two at least second spout (15) have been seted up to the inside of rear end housing (3), and every second spout (15) all communicate with a first spout (14), the one end of L type piece (12) is fixed with first slider (16) and second slider (17) in proper order, and the width of second slider (17) is greater than the width of first slider (16), and every first slider (16) all slides and sets up in a first spout (14), and every second slider (17) all slides and sets up in a second spout (15), every second slider (17) all is connected with the spring with the one end of place second spout (15).

4. A motor bearing cap with good stability according to claim 3, wherein: the inner part of the rear end cover (3) is rotatably provided with a rotary table (18), and a traction rope (13) is connected between the rotary table (18) and each second sliding block (17).

5. The motor bearing cap with good stability according to claim 4, wherein: the outer side of the rear end cover (3) is provided with a rotating block (19), and a connecting rod is connected between the rotating block (19) and the turntable (18).

6. The motor bearing cap with good stability according to claim 1, wherein: a second mounting groove (10) is formed in one side wall of the rear end cover (3), a second rubber pad (11) is pasted on the inner wall of the second mounting groove (10), the second mounting groove (10) is matched with the bearing b, and the bearing b is in close contact with the second rubber pad (11).