CN210806906U

CN210806906U - Motor convenient to dismantle end cover

Info

Publication number: CN210806906U
Application number: CN201921328413.7U
Authority: CN
Inventors: 唐小红
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-06-19
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a motor with an end cover convenient to disassemble, which belongs to the technical field of motors, an inner cavity of a motor body is provided with a rotating shaft, an end cover is arranged at one end of the motor body, a fixing ring is arranged on the side wall of the end cover, a connecting shaft is rotatably inserted on the shaft seat, the connecting shaft penetrates through the fixing ring, the end part of the connecting shaft is provided with a groove, a pin shaft is fixedly inserted in the groove, the two ends of the pin shaft are slidably sleeved with shaft sleeves, the limiting spring is sleeved outside the pin shaft, the inner cavity wall of the motor body is provided with connecting blocks at equal intervals, the connecting block is provided with a fixed hole, the inner hole wall of the fixed hole is respectively provided with a first connecting groove and a second connecting groove symmetrically, first connecting groove and second connecting groove bottom pass through the ring channel and connect, the utility model has the advantages of convenient to detach end cover has saved complicated dismouting step, has improved dismouting efficiency.

Description

Motor convenient to dismantle end cover

Technical Field

The utility model relates to the technical field of electric machines, specifically be a motor convenient to dismantle end cover.

Background

With the development of the market, a brushless motor occupies a large market share in the field of motors, the main reason is that the brushless motor has the functions of energy conservation, stepless speed regulation and forward and reverse rotation, and sparks generated by the brush motor during operation can also have an interference effect on electromagnetic elements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor convenient to dismantle end cover to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a motor with an end cover convenient to disassemble comprises a motor body, a rotating shaft is arranged in the inner cavity of the motor body, an end cover is arranged at one end of the motor body, a fixing ring is arranged on the side wall of the end cover, shaft seats are arranged on the side wall of the fixing ring at equal intervals, a connecting shaft is rotatably inserted on the shaft seat, the connecting shaft penetrates through the fixing ring and the end part of the connecting shaft is provided with a groove, a pin shaft is fixedly inserted in the groove, shaft sleeves are slidably sleeved at two ends of the pin shaft, the two groups of shaft sleeves are connected through a limiting spring, the end part of the shaft sleeve is fixedly connected with a fixed block, the limiting spring is sleeved outside the pin shaft, connecting blocks are arranged on the inner cavity wall of the motor body at equal intervals, the connecting block is provided with a fixed hole, the hole wall in the fixed hole is respectively and symmetrically provided with a first connecting groove and a second connecting groove, and the bottoms of the first connecting groove and the second connecting groove are connected through an annular groove.

Furthermore, the groove opening of the first connecting groove is designed to be an oblique opening, the groove width of the first connecting groove is smaller than that of the second connecting groove, and the groove width of the annular groove is the same as that of the second connecting groove.

Further, the length of the connecting shaft is equal to the depth of the fixing hole, and the diameter of the connecting shaft is equal to the diameter of the fixing hole.

Further, the annular groove that matches with solid fixed ring phase is seted up to the end cover lateral wall, just the shaft hole with the connecting axle looks adaptation is seted up to the end cover lateral wall.

Further, the outer diameter of the fixing ring is equal to the diameter of the inner cavity of the motor body, and the side wall of the connecting block is of an arc-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, reasonable in design changes traditional end cover installation into buckle formula from bolt formula threaded connection and connects, has practiced thrift loaded down with trivial details process of twisting the bolt, during the dismantlement, only needs to rotate the connecting axle 45 degrees in proper order for the fixed block slides to the second spread groove from first spread groove in, and then outside pulling end cover can, convenient and fast has improved dismouting efficiency.

Drawings

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

fig. 2 is a schematic view of the fixing ring structure of the present invention;

FIG. 3 is a schematic view of the structure of the inner cavity of the motor of the present invention;

fig. 4 is a schematic view of the structure of the connection block of the present invention.

In the figure: 1. a motor body; 2. a rotating shaft; 3. an end cap; 4. a fixing ring; 5. a shaft seat; 6. a connecting shaft; 7. a pin shaft; 8. a shaft sleeve; 9. a limiting spring; 10. a fixed block; 11. connecting blocks; 12. a fixing hole; 13. a first connecting groove; 14. a second connecting groove; 15. an annular groove.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

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.

The utility model provides a motor with an easy-to-detach end cover, which has the advantage of easy-to-detach end cover, saves complex dismounting steps and improves dismounting efficiency;

referring to fig. 1, a rotating shaft 2 is disposed in an inner cavity of a motor body 1, and an end cover 3 is disposed at one end of the motor body 1;

referring to fig. 1, a fixing ring 4 is disposed on a side wall of an end cover 3, the fixing ring 4 is made of an aluminum alloy material, shaft seats 5 are disposed on the side wall of the fixing ring 4 at equal intervals, the shaft seats 5 are welded to the side wall of the fixing ring 4, a connecting shaft 6 is rotatably inserted into the shaft seats 5, and an integrally formed bump is disposed at one end of the connecting shaft 6;

referring to fig. 2, a connecting shaft 6 penetrates through a fixing ring 4, a groove is formed in the end portion of the connecting shaft, a pin shaft 7 is fixedly inserted in the groove, shaft sleeves 8 are slidably sleeved at two ends of the pin shaft 7, the two groups of shaft sleeves 8 are connected through a limiting spring 9, a fixing block 10 is fixedly connected to the end portion of each shaft sleeve 8, and the limiting spring 9 is sleeved outside the pin shaft 7;

referring to fig. 3, connecting blocks 11 are arranged on the inner cavity wall of the motor body 1 at equal intervals, the connecting blocks 11 are formed by pouring a specific mold, the connecting blocks 11 are welded on the inner side wall of the motor body 1, and fixing holes 12 are formed in the connecting blocks 11;

referring to fig. 4, the inner hole wall of the fixed hole 12 is symmetrically provided with a first connecting groove 13 and a second connecting groove 14, the depths of the first connecting groove and the second connecting groove are the same, the bottoms of the first connecting groove 13 and the second connecting groove 14 are connected through an annular groove 15, the annular groove 15 is a connecting groove between the bottoms of two adjacent first connecting grooves 13 and second connecting grooves 14, and the single-section annular groove 15 is of a quarter-circle structure.

Example (b): when the end cover 3 is installed, the connecting shaft 6 penetrates through a shaft hole in the end cover 3, the fixing ring 4 is pressed into the motor body 1, the end portion of the connecting shaft 6 is connected with the fixing hole 12, when the end portion of the connecting shaft 6 is in contact with the fixing hole 12, the fixing block 10 contracts to the inner side of the end portion of the connecting shaft 6 under the action of the limiting spring 9, the connecting shaft 6 slides inwards along the inner wall of the fixing hole 12 until the end portion of the connecting shaft 6 moves to the bottom end of the first connecting groove 13, the limiting spring 9 recovers deformation and drives the shaft sleeve 8 to slide along the outer wall of the pin shaft 7, the fixing block 10 is inserted into the annular groove 15 to form a limiting fixing effect, installation is completed, when the end cover is disassembled, the connecting shaft 6 is rotated, the fixing block 10 slides along the annular groove 15 until the fixing block moves to the bottom.

For fixed block 10 and first connecting groove 13 zonulae occludens, fixed block 10 and first connecting groove 13 mutual adaptation, and the fixed block 10 lateral wall is the arc form, and the piece mouth has been seted up to connecting axle 6 tip lateral wall.

For the transition of the fastening block 10 from the first connecting groove 13 to the second connecting groove 14, a limiting and releasing function can be realized. The groove opening of the first connecting groove 13 is designed to be an oblique opening, the groove width of the first connecting groove 13 is smaller than that of the second connecting groove 14, and the groove width of the annular groove 15 is the same as that of the second connecting groove 14.

In order that the connecting shaft 6 is completely fitted and inserted into the fixing hole 12, the length of the connecting shaft 6 is equal to the depth of the fixing hole 12, and the diameter of the connecting shaft 6 is equal to the diameter of the fixing hole 12.

In order to fix the ring 4 and completely embed into the end cover 3 after installation, the side wall of the end cover 3 is provided with a ring groove matched with the fixing ring 4, and the side wall of the end cover 3 is provided with a shaft hole matched with the connecting shaft 6.

The outer diameter of the fixing ring 4 is equal to the diameter of the inner cavity of the motor body 1, and the side wall of the connecting block 11 is of an arc-shaped structure.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 convenient to dismantle end cover, includes motor body (1), its characterized in that: the motor is characterized in that a rotating shaft (2) is arranged in an inner cavity of the motor body (1), an end cover (3) is arranged at one end of the motor body (1), a fixing ring (4) is arranged on the side wall of the end cover (3), shaft seats (5) are arranged on the side wall of the fixing ring (4) at equal intervals, a connecting shaft (6) is inserted and rotated on the shaft seats (5), the connecting shaft (6) penetrates through the fixing ring (4), a groove is formed in the end portion of the connecting shaft, a pin shaft (7) is fixedly inserted and connected in the groove, shaft sleeves (8) are slidably sleeved at two ends of the pin shaft (7), the two groups of shaft sleeves (8) are connected through a limiting spring (9), the end portion of each shaft sleeve (8) is fixedly connected with a fixing block (10), the limiting spring (9) is sleeved on the outer side of the pin shaft (7), connecting blocks, first connecting groove (13) and second connecting groove (14) have been seted up to fixed orifices (12) inner hole wall symmetry respectively, first connecting groove (13) and second connecting groove (14) bottom are connected through ring channel (15).

2. A motor having an end cap that is easily removed as defined in claim 1, wherein: fixed block (10) and first connecting groove (13) mutual adaptation, just fixed block (10) lateral wall is the arc form, a mouthful has been seted up to connecting axle (6) tip lateral wall.

3. A motor having an end cap that is easily removed as defined in claim 1, wherein: the notch of first connecting groove (13) is the bevel connection design, and the groove width of first connecting groove (13) is less than the groove width of second connecting groove (14), the groove width of ring channel (15) is the same with the groove width of second connecting groove (14).

4. A motor having an end cap that is easily removed as defined in claim 1, wherein: the length of the connecting shaft (6) is equal to the depth of the fixing hole (12), and the diameter of the connecting shaft (6) is equal to the diameter of the fixing hole (12).

5. A motor having an end cap that is easily removed as defined in claim 1, wherein: the annular groove matched with the fixing ring (4) is formed in the side wall of the end cover (3), and the shaft hole matched with the connecting shaft (6) is formed in the side wall of the end cover (3).

6. A motor having an end cap that is easily removed as defined in claim 1, wherein: the outer diameter of the fixing ring (4) is equal to the diameter of the inner cavity of the motor body (1), and the side wall of the connecting block (11) is of an arc-shaped structure.