CN218162020U - Motor end cover and motor - Google Patents
Motor end cover and motor Download PDFInfo
- Publication number
- CN218162020U CN218162020U CN202221577960.0U CN202221577960U CN218162020U CN 218162020 U CN218162020 U CN 218162020U CN 202221577960 U CN202221577960 U CN 202221577960U CN 218162020 U CN218162020 U CN 218162020U
- Authority
- CN
- China
- Prior art keywords
- lead
- end cover
- motor
- sealing sleeve
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The motor end cover comprises an end cover body and a lead sealing structure; the end cover body is provided with a lead hole, the lead hole is positioned on the end cover body, and the lead hole penetrates through the inner peripheral wall and the outer peripheral wall of the end cover body; the lead sealing structure comprises a sealing sleeve and a pressing piece, and the sealing sleeve is positioned in the lead hole; the pressing piece is connected with the peripheral wall of the end cover body, and one side of the pressing piece is abutted to one end of the sealing sleeve. The motor end cover in the embodiment has a simple structure, can reduce the physical damage to workers and can shorten the assembly period of the motor.
Description
Technical Field
The disclosure relates to the technical field of motor sealing, in particular to a motor end cover and a motor.
Background
With the continuous development of motors, the waterproof requirement of the motors is higher and higher.
In the related art, in order to provide better water resistance and air tightness for the motor, a lead sealing structure is generally disposed in the motor end cover, wherein the lead sealing structure is used for sealing a lead penetrating through the motor end cover. The lead seal structure is typically an annular gland to which glue is applied. When actually sealing up, fix the seal cover in the pin hole in the motor end cover earlier, wear out the pin hole back as the lead wire, carry out the encapsulating again to seal cover and pin hole department.
However, when glue is poured, the smell generated by the glue affects the environment and adversely affects the health of the operator. Moreover, glue needs a certain time after glue pouring to solidify, so that the assembly period of the motor is long, and the assembly efficiency of the motor is further influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the disclosure provides a motor end cover and a motor, which can reduce the physical damage to workers during assembly and shorten the assembly period of the motor. The technical scheme is as follows:
the embodiment of the disclosure provides a motor end cover and a motor, wherein the motor end cover comprises an end cover body and a lead sealing structure; the end cover body is provided with a lead hole, the lead hole is positioned on the end cover body, and the lead hole penetrates through the inner peripheral wall and the outer peripheral wall of the end cover body; the lead sealing structure comprises a sealing sleeve and a pressing piece, and the sealing sleeve is positioned in the lead hole; the pressing piece is connected with the peripheral wall of the end cover body, and one side of the pressing piece is abutted to one end of the sealing sleeve.
In another implementation manner of the present disclosure, the sealing sleeve is a conical ring structural member, and a large end of the sealing sleeve abuts against the pressing member.
In another implementation manner of the present disclosure, the inner wall of the lead hole has an oblique conical surface, a large end of the oblique conical surface is disposed toward the pressing member, and a portion of the outer wall of the sealing sleeve is attached to the oblique conical surface.
In another implementation manner of the present disclosure, the number of the lead holes is multiple, the lead holes are arranged at intervals, axes of the lead holes are parallel to each other, the number of the sealing sleeves is multiple, and the sealing sleeves and the lead holes are arranged in a one-to-one correspondence; the pressing piece comprises a pressing block and a plurality of bulges, and the pressing block is provided with a plurality of first through holes; the plurality of bulges are connected with one side of the pressing block, which faces the end cover body, and are in one-to-one correspondence with the plurality of sealing sleeves, a second through hole is formed in the middle of each bulge in the plurality of bulges, and the plurality of first through holes are in one-to-one correspondence with and communicated with the plurality of second through holes; the protruding part is located in the corresponding lead hole and abuts against one end of the corresponding sealing sleeve.
In another implementation manner of the present disclosure, the pressing member has a connecting hole thereon, the connecting hole is located between the plurality of protrusions, and the lead sealing structure further includes a fastener, and the lead fastener is located in the connecting hole and connected to the end cap body.
In yet another implementation of the present disclosure, an outer diameter of the protrusion toward an end of the sealing boot is no less than an outer diameter of the sealing boot toward the end of the protrusion.
In still another implementation manner of the present disclosure, the outer circumferential wall of the end cap body has a receiving groove, and the lead hole and the pressing piece are both located in the receiving groove.
In another implementation manner of the present disclosure, the accommodating groove is elongated, and the plurality of lead holes are arranged in a row along a length direction of the accommodating groove, where the length direction of the accommodating groove is perpendicular to an axial direction of the lead holes.
In yet another implementation of the present disclosure, the sealing boot is a rubber structural member.
In a further implementation manner of the present disclosure, a motor is further provided, and the motor includes a motor housing, a lead wire and the motor end cover, wherein the motor housing is connected with the motor end cover, and the lead wire is located in a lead wire hole of the motor end cover and the motor housing.
The technical scheme provided by the embodiment of the disclosure has the following beneficial effects:
in this embodiment, since the lead sealing structure includes the sealing sleeve and the pressing member, the lead can be confined in the lead hole of the end cover body by the sealing sleeve in advance. Meanwhile, the pressing piece is connected with the end cover body, and one side of the pressing piece is abutted to the other part of the sealing sleeve, so that the sealing sleeve is extruded when being connected with the end cover body through the pressing piece, the sealing sleeve is radially deformed when being subjected to axial pressure of the sealing sleeve, the sealing sleeve can be tightly enclosed between the lead and the lead hole, the sealing performance of the lead is improved, and the assembly efficiency of the motor is not influenced by glue pouring at the position of the sealing sleeve.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a motor end cover provided in an embodiment of the present disclosure;
fig. 2 is a sectional view of a partial structure of a motor end cover provided by an embodiment of the present disclosure;
fig. 3 is an exploded view of a partial structure of a motor end cover provided by an embodiment of the disclosure.
The symbols in the drawings represent the following meanings:
1. an end cap body; 10. a wire hole; 101. an oblique conical surface; 11. a containing groove; 12. a bearing mounting hole; 13. end cover rabbets; 14. a motor housing attachment hole;
2. a lead sealing structure; 21. sealing sleeves; 211. a conical sleeve; 212. a cylindrical sleeve; 22. a compression member; 221. a compression block; 2211. a first through hole; 222. a protrusion; 2221. a second through hole; 220. connecting holes; 23. a fastener;
100. and (7) leading wires.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
The embodiment of the present disclosure provides a motor end cover, as shown in fig. 1, the motor end cover includes an end cover body 1 and a lead sealing structure 2, where the end cover body 1 has a lead hole 10. The lead sealing structure 2 includes a sealing sleeve 21 and a pressing member 22, and the sealing sleeve 21 is located in the lead hole 10. The pressing piece 22 is connected with the end cover body 1, and one side of the pressing piece 22 is abutted against one end of the sealing sleeve 21.
When the motor end cover provided by the embodiment is used, the motor end cover comprises the end cover body 1 and the lead sealing structure 2, so that the motor end cover can be connected with a shell of a motor through the end cover body 1 to seal structures such as a rotor and a stator of the motor. Meanwhile, the lead 100 passing through the end cap body 1 may be sealed by the lead sealing structure 2 to improve the air-tightness and water-tightness of the motor end cap.
In this embodiment, can restrict lead wire 100 in the pin hole 10 of end cover body 1 through seal cover 21 in advance, simultaneously, again because compress tightly 22 and be connected with end cover body 1, and compress tightly one side of 22 and offset with the one end of seal cover 21, so, can compress tightly 22 when being connected with end cover body 1, extrude seal cover 21, so that seal cover 21 takes place radial deformation when receiving the axial pressure that compresses tightly 22 to seal cover 21, like this, seal cover 21 can be inseparable encirclement between lead wire 100 and pin hole 10, thereby improve the leakproofness of lead wire 100, need not to carry out the encapsulating again in seal cover 21 department and influence the assembly efficiency etc. of motor.
Illustratively, the end cap body 1 is a circular structural member, and the lead holes 10 penetrate through the inner circumferential wall and the outer circumferential wall of the end cap body 1. This facilitates the arrangement of the leads.
Optionally, the sealing sleeve 21 is a rubber structural member.
In the above implementation manner, the sealing sleeve 21 is made of a rubber structural member, so that the sealing sleeve 21 can be conveniently and rapidly deformed under the axial action of the pressing member 22, and further the lead 100 wrapped inside is effectively sealed, and the sealing effect of the sealing sleeve 21 is improved.
Referring again to fig. 1, optionally, the sealing sleeve 21 is a conical ring structure, a large end of the sealing sleeve 21 abuts against the pressing member 22, and a small end of the sealing sleeve 21 is located in the lead hole 10.
In the above implementation, the sealing sleeve 21 is a conical ring structural member, that is, the sealing sleeve 21 is designed to be a small end and a large end, so that when the sealing sleeve 21 is connected to the end cover body 1 along with the pressing member 22, the sealing sleeve 21 can be better attached to the inner wall of the lead hole 10, and meanwhile, the sealing sleeve 21 is favorable for being inserted into the lead hole 10, and finally, the waterproof sealing of the lead 100 in the lead hole 10 is realized through the interference fit between the sealing sleeve 21 and the lead 100.
Illustratively, the sealing sleeve 21 includes a conical sleeve 211 and a cylindrical sleeve 212 coaxially connected, the conical sleeve 211 being located in the corresponding lead hole 10, and the cylindrical sleeve 212 abutting against the pressing member 22.
In the implementation manner, the sealing sleeve 21 is configured as above, so that the sealing sleeve 21 has a large end surface and a small end surface, and the large end surface abuts against the pressing part 22 to reduce the pressure applied to the sealing sleeve 21, and ensure that the sealing sleeve 21 can be rapidly deformed and tightly attached to the inner wall of the lead hole 10 and the outer wall of the lead 100 in the opposite direction.
Fig. 2 is a cross-sectional view of a partial structure of a motor end cover provided in an embodiment of the present disclosure, and in conjunction with fig. 2, optionally, an inner wall of the lead wire hole 10 has an oblique tapered surface 101, a large end of the oblique tapered surface 101 is disposed toward the pressing member 22, and a part of an outer wall of the sealing sleeve 21 is attached to the oblique tapered surface 101.
In the above implementation, the inclined conical surface 101 is provided to ensure that the sealing sleeve 21 can always be tightly attached to the inner wall of the lead hole 10 when the sealing sleeve 21 is in the lead hole 10, thereby further improving the sealing effect of the sealing sleeve 21 on the lead 100.
Fig. 3 is an exploded view of a partial structure of a motor end cover provided by an embodiment of the present disclosure, in conjunction with fig. 3, optionally, the lead holes 10 are multiple, the multiple lead holes 10 are arranged at intervals, and axes of the multiple lead holes 10 are parallel to each other. The number of the sealing sleeves 21 is plural, and the plurality of sealing sleeves 21 and the plurality of lead holes 10 are arranged in one-to-one correspondence.
The pressing member 22 includes a pressing block 221 and a plurality of protrusions 222. The pressing block 221 has a plurality of first through holes 2211.
The plurality of protrusions 222 are connected with one side of the pressing block 221 facing the end cover body 1, and the plurality of protrusions 222 correspond to the plurality of sealing sleeves 21 one by one. The middle portion of each protrusion 222 has a second through hole 2221, and the plurality of first through holes 2211 and the plurality of second through holes 2221 are in one-to-one correspondence and are communicated with each other.
Each projection 222 is partially located in a corresponding lead hole 10 and abuts against one end of a corresponding sealing sleeve 21.
In the above implementation, the pressing block 221 is used to connect the plurality of protrusions 222 into a whole, and the plurality of protrusions 222 are used to cooperate with the plurality of sealing sleeves 21, so that one protrusion 222 can correspond to one sealing sleeve 21, and further, all the sealing sleeves 21 can be pressed by the pressing member 22.
Illustratively, the number of the lead holes 10 is two, and the two lead holes 10 respectively lead out a zero line and a live line in the motor so as to be conveniently connected with an external power supply.
Correspondingly, there are two sealing sleeves 21, one of the two sealing sleeves 21 seals the live wire in the lead wire 100, and the other of the two sealing sleeves 21 seals the neutral wire in the lead wire 100.
Of course, there are also two protrusions 222, one of the two protrusions 222 being pressed into the gland 21 for sealing live wire and the other of the two protrusions 222 being pressed into the gland 21 for sealing neutral wire.
Illustratively, the protrusion 222 is a hollow cylindrical structure, the inner part of the protrusion 222 is hollow to form a second through hole 2221 for passing through the lead wire, and an end face of the protrusion 222 facing the end cover body 1 is used for abutting against the sealing sleeve 21 to compress the sealing sleeve 21.
Optionally, the pressing member 22 has a connecting hole 220, the connecting hole 220 is located between the protrusions 222, the lead sealing structure 2 further includes a fastener 23, and the lead fastener 23 is located in the connecting hole 220 and connected to the end cap body 1.
In the above implementation, the connecting hole 220 is used for arranging the fastener 23, and the fastener 23 connects the pressing piece 22 and the end cover body 1 into a whole.
Illustratively, the connection hole 220 may be a threaded hole, and accordingly, the fastener 23 is a bolt, a nut, a washer, or the like.
In this embodiment, the fastening member 23 can connect the ground wire to the motor housing during assembly, so as to facilitate grounding of the motor.
Alternatively, the outer diameter of the end of the projection 222 facing the sealing sleeve 21 is not smaller than the outer diameter of the end of the sealing sleeve 21 facing the projection 222. This makes it possible to increase the contact area between the sealing sleeve 21 and the protrusions 222 without changing the pressure acting in the axial direction of the sealing sleeve 21, so that the sealing sleeve 21 can be rapidly deformed in the radial direction.
Optionally, the outer circumferential wall of the end cap body 1 has a receiving groove 11, and the lead hole 10 and the pressing member 22 are located in the receiving groove 11.
In the above implementation manner, the peripheral wall of the end cover body 1 is provided with the accommodating groove 11, and on the one hand, the pressing piece 22 can be positioned on the end cover body 1 in advance through the accommodating groove 11, so that the connection between the pressing piece 22 and the end cover body 1 is facilitated. On the other hand, the pressing piece 22 can be accommodated through the accommodating groove 11, so that the pressing piece 22 does not protrude out of the outer wall of the end cover body 1, the whole volume of the motor is reduced, and the arrangement space of the motor in use is further reduced.
Optionally, the accommodating groove 11 is elongated, and the plurality of lead holes 10 are arranged in a row along a length direction of the accommodating groove 11, where the length direction of the accommodating groove 11 is perpendicular to an axial direction of the lead holes 10.
The accommodating groove 11 is formed as a strip-shaped groove, so that the accommodating groove 11 can be conveniently arranged along the circumferential direction of the end cover body 1, and meanwhile, a plurality of lead holes 10 can be conveniently arranged.
Optionally, the end cover body 1 has a bearing mounting hole 12 in the middle, the bearing mounting hole 12 penetrates through two opposite sides of the end cover body 1, one side of the end cover body 1 has an end cover spigot 13, and the end cover spigot 13 is arranged coaxially with the bearing mounting hole 12.
In the above implementation, the bearing mounting holes 12 are used for interference fit with the bearings when the motor end cap and the motor housing are mounted together. The end cover spigot 13 is used for being in interference fit with the shell, so that good pre-tightening force is generated between the motor end cover and the shell, and the tightness of the motor end cover in the assembling process is improved.
Optionally, the end cap body 1 has at least two motor housing attachment holes 14. At least two motor housing attachment holes 14 are respectively located on both sides of the bearing mounting hole 12 and both penetrate through opposite sides of the end cap body 1.
In the above implementation, the motor housing connection hole 14 is used for being matched with a fastener to install the end cover body 1 and the motor housing together, so as to ensure that the motor is in a closed state relative to the outside.
On the other hand, in the embodiment of the present disclosure, a motor is further provided, where the motor includes a motor housing and a motor end cover, and the motor housing is connected to the motor end cover. The motor end cover is the above motor end cover.
The motor has the same beneficial effects as the motor end cover, and the description is omitted.
The above description is meant to be illustrative of the principles of the present disclosure and not to be taken in a limiting sense, and any modifications, equivalents, improvements and the like that are within the spirit and scope of the present disclosure are intended to be included therein.
Claims (10)
1. The motor end cover is characterized by comprising an end cover body (1) and a lead sealing structure (2);
the end cover body (1) is provided with a lead hole (10);
the lead sealing structure (2) comprises a sealing sleeve (21) and a pressing piece (22), wherein the sealing sleeve (21) is positioned in the lead hole (10);
the pressing piece (22) is connected with the end cover body (1), and one side of the pressing piece (22) is abutted against one end of the sealing sleeve (21).
2. The motor end cover according to claim 1, characterized in that the sealing sleeve (21) is a cone ring structure, and the large end of the sealing sleeve (21) abuts against the pressing part (22).
3. The end cover of the motor according to claim 2, wherein the inner wall of the lead wire hole (10) is provided with an oblique conical surface (101), the large end of the oblique conical surface (101) is arranged towards the pressing piece (22), and a part of the outer wall of the sealing sleeve (21) is attached to the oblique conical surface (101).
4. The motor end cover according to claim 1, wherein the lead holes (10) are plural, the lead holes (10) are arranged at intervals, and the axes of the lead holes (10) are parallel to each other,
the number of the sealing sleeves (21) is multiple, and the sealing sleeves (21) and the lead holes (10) are arranged in a one-to-one correspondence manner;
the pressing piece (22) comprises a pressing block (221) and a plurality of protrusions (222), wherein the pressing block (221) is provided with a plurality of first through holes (2211);
the plurality of protrusions (222) are connected with one side, facing the end cover body (1), of the pressing block (221), the plurality of protrusions (222) correspond to the plurality of sealing sleeves (21) one by one, a second through hole (2221) is formed in the middle of each protrusion (222) in the plurality of protrusions (222), and the plurality of first through holes (2211) correspond to the plurality of second through holes (2221) one by one and are communicated with each other;
the bulge (222) is partially positioned in the corresponding lead wire hole (10) and is abutted against one end of the corresponding sealing sleeve (21).
5. The motor end cover according to claim 4, wherein the pressing member (22) has a coupling hole (220) therein, the coupling hole (220) being located between the plurality of protrusions (222),
the lead sealing structure (2) further comprises a fastener (23), and the fastener (23) is located in the connecting hole (220) and connected with the end cover body (1).
6. An electric machine end cover according to claim 4, characterized in that the outer diameter of the end of the projection (222) facing the sealing sleeve (21) is not smaller than the outer diameter of the end of the sealing sleeve (21) facing the projection (222).
7. The end cover of the motor according to claim 4, wherein the peripheral wall of the end cover body (1) is provided with a containing groove (11), and the lead wire hole (10) and the pressing piece (22) are both located in the containing groove (11).
8. The motor end cover according to claim 7, wherein the receiving groove (11) is elongated, and the plurality of lead holes (10) are arranged in a row along a length direction of the receiving groove (11), the length direction of the receiving groove (11) being perpendicular to an axial direction of the lead holes (10).
9. An electric machine end cap according to any of claims 1-8, characterized in that the sealing sleeve (21) is a rubber structural part.
10. An electric machine, characterized in that the electric machine comprises a machine housing, a lead and a machine end cap according to any one of claims 1 to 9, the machine housing being connected with the machine end cap, the lead being partially located in a lead hole (10) of the machine end cap and the machine housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221577960.0U CN218162020U (en) | 2022-06-22 | 2022-06-22 | Motor end cover and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221577960.0U CN218162020U (en) | 2022-06-22 | 2022-06-22 | Motor end cover and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218162020U true CN218162020U (en) | 2022-12-27 |
Family
ID=84577126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221577960.0U Active CN218162020U (en) | 2022-06-22 | 2022-06-22 | Motor end cover and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218162020U (en) |
-
2022
- 2022-06-22 CN CN202221577960.0U patent/CN218162020U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2435716A1 (en) | Pothead connector with elastomeric sealing washer | |
| HU217475B (en) | Motor-pump aggregate, especially for abs system | |
| CN218162020U (en) | Motor end cover and motor | |
| CN111193358A (en) | Encoder mounting structure and motor | |
| CN211116647U (en) | Electronic water pump | |
| CN217713756U (en) | Electrically operated valve and integrated component | |
| CN214849263U (en) | Underwater electric connector | |
| CN213899850U (en) | Equipment and seal structure thereof | |
| CN210015821U (en) | High-sensitivity hydraulic switch connector | |
| CN215378612U (en) | Motor end cover | |
| CN211701685U (en) | New energy automobile motor waterproof connection structure of easy location installation | |
| CN103606786A (en) | Electric direct connector without plugging cable bonding | |
| CN211508845U (en) | Encoder mounting structure and motor | |
| CN214254831U (en) | High-pressure-resistant sealed connector for internal and external connection of equipment | |
| CN217883060U (en) | Sealing structure of end cover and shell of electric vehicle motor | |
| CN217583551U (en) | Supply connecting water pipeline that leakproofness is good for biological power generation | |
| CN220605115U (en) | Electric control power cable anti-vibration via hole connection structure | |
| CN213637236U (en) | Motor with epoxy structure | |
| CN218976463U (en) | Energy-saving waterproof motor and plug assembly thereof | |
| CN109449653B (en) | Waterproof structure of automobile connector | |
| CN211127417U (en) | Be provided with waterproof construction's in-wheel motor | |
| CN217562962U (en) | High-current connector | |
| CN211702729U (en) | Sealing structure of outdoor electrical equipment shell | |
| CN212486278U (en) | Motor leading-out terminal sealing device and motor | |
| CN219843495U (en) | Motor for air pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |