CN210867391U - Motor casing convenient to cable installation - Google Patents
Motor casing convenient to cable installation Download PDFInfo
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- CN210867391U CN210867391U CN201922345562.0U CN201922345562U CN210867391U CN 210867391 U CN210867391 U CN 210867391U CN 201922345562 U CN201922345562 U CN 201922345562U CN 210867391 U CN210867391 U CN 210867391U
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- cable
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- cable sheath
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- compression
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Abstract
The utility model provides a motor shell convenient for cable installation, which comprises a motor shell body, wherein the motor shell body is provided with a cable sheath installation hole, and further comprises a sealing component and a compression nut, the sealing component comprises at least two groups of first rubber rings and a compression ring arranged between two adjacent first rubber rings, the compression ring comprises two groups of compression ring parts and an annular support part connected between the compression ring parts, the top side of the topmost first rubber ring is also compressed with an annular vertical top part, the vertical top part is also provided with an annular horizontal top part towards the cable conductor above the cable sheath, a second rubber ring is also arranged between the bottom side of the horizontal top part and the cable sheath, the top side of the horizontal top part is a sliding surface, the bottom end of the compression nut is also provided with a sliding ring which can be compressed on the sliding surface, the inner upper part in the hole of the cable sheath installation hole is also provided with an inner thread matched with the compression nut, the utility model discloses make between cable and the motor casing relatively fixed effect better, and have better sealed effect simultaneously.
Description
Technical Field
The utility model relates to a motor casing, especially a motor casing convenient to cable installation.
Background
When a cable of an existing motor passes through a motor shell to be installed, a cable sheath installation blind hole is often formed in the motor shell, threads are arranged on an inner cylindrical surface at the upper part of the blind hole, a wiring column hole is formed in the bottom of the blind hole, a wiring column on the cable sheath penetrates through the wiring column hole and extends into an inner cavity of the motor shell, and a pressing nut is sleeved on a cable wire at the upper part of the cable sheath and is connected and positioned with the threads on the cable sheath installation blind hole, but in order to enable the cable to conveniently and smoothly penetrate into the blind hole, the size of the blind hole is inevitably designed to be larger than that of the cable sheath, so that a movable gap exists between the cable and the blind hole, the internal sealing and waterproof effects are influenced, vibration of the motor in the working process is also easy to cause friction between the cable and the inner wall of the blind, and even cause electrical leakage.
Therefore, a motor casing which has better relative fixing effect between the cable and the motor casing and has better sealing effect and is convenient for cable installation is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a motor casing convenient to cable installation for relatively fixed effect is better between cable and the motor casing, and has better sealed effect simultaneously.
The utility model provides a following technical scheme:
a motor shell convenient for cable installation comprises a motor shell body, wherein a cable sheath installation hole is formed in the motor shell body, the motor shell further comprises a sealing component which is arranged in the cable sheath installation hole and is in sealing fit with the cable sheath, and a gland nut which is arranged on a cable conductor on the upper portion of the cable sheath, a terminal post hole which can be used for a cable to penetrate into the motor shell body is formed in the bottom of the cable sheath installation hole, the sealing component comprises at least two groups of first rubber rings which are coaxially arranged in the cable sheath installation hole and a crimping ring which is arranged between every two adjacent first rubber rings, the crimping ring comprises two coaxially arranged compression ring pieces which are respectively abutted against the side surfaces of the two groups of first rubber rings and an annular support piece which is connected between the two compression ring pieces, an annular vertical top piece is further crimped on the top side of the first rubber ring at the topmost end, and an annular horizontal top piece is further arranged towards the cable conductor above the cable, and a second rubber ring is arranged between the bottom side of the horizontal top piece and the cable sheath, the top side of the horizontal top piece is a sliding surface, the bottom end of the compression nut is also provided with a sliding ring which can be pressed on the sliding surface, and the inner upper part in the hole of the cable sheath mounting hole is also provided with an inner thread which is in threaded fit with the compression nut.
Preferably, the crimp ring is a stainless steel piece.
Preferably, a limiting convex ring protruding towards the first rubber ring is further arranged on one side of the ring pressing piece, which is in contact with the first rubber ring, and a limiting groove matched with the limiting convex ring is formed in the first rubber ring.
Preferably, the longitudinal section of the limit convex ring is triangular.
The utility model has the advantages that: after the sealing assembly and the cable sheath are arranged in the cable sheath mounting hole, the compression nut can be connected in the cable sheath mounting hole through threads, only when the bottom of the compression nut can be abutted against the horizontal top piece, at the moment, the rotation of the compression nut cannot be influenced due to the arrangement of the sliding surface on the horizontal top piece, the horizontal top piece can also be downwards compressed under the action of the threaded force, the horizontal top piece compresses the second rubber ring to deform, the first heavy sealing is realized, the horizontal top piece compresses the first rubber ring at the topmost layer through the vertical top piece, the first rubber ring realizes deformation towards two ends under the action of the ring pressing piece and the vertical top piece at the lower layer, so that the first rubber ring can be tightly matched with the inner wall side of the cable sheath mounting hole and the outer side of the cable sheath, the second heavy sealing effect is realized, and the analogy is sequentially realized, each layer of the first rubber ring can increase one layer of sealing effect, meanwhile, due to the fact that the sealing is achieved, gaps which are convenient for the cable to be arranged in the cable sheath mounting hole can be eliminated, and therefore the relative fixing effect between the cable and the motor shell is better.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a sectional view of the structure of the present invention;
notation in the figure: 1 is the motor casing body, 2 is the cable sheathing mounting hole, 3 is the cable sheathing, 4 is gland nut, 5 is the terminal hole, 6 is first rubber ring, 7 is the pressure ring spare, 8 is annular support piece, 9 is vertical ejecting, 10 is horizontal ejecting, 11 is the second rubber ring, 12 is the sliding ring, 13 is spacing bulge loop.
Detailed Description
As shown in fig. 1, a sectional view of a motor housing convenient for cable installation includes, in this embodiment, a motor housing body 1, a cable sheath installation hole 2 is provided on the motor housing body 1, a sealing assembly disposed in the cable sheath installation hole 2 and in sealing fit with a cable sheath 3, and a gland nut 4 mounted on a cable line on an upper portion of the cable sheath 3, a terminal post hole 5 for a terminal post of the cable to penetrate into the motor housing body 1 is provided at a bottom of the cable sheath installation hole 2, the sealing assembly includes three sets of first rubber rings 6 coaxially disposed in the cable sheath installation hole 2 and a crimping ring disposed between two adjacent first rubber rings 6, the crimping ring includes two coaxially disposed crimping ring members 7 respectively abutting against side surfaces of the two sets of first rubber rings 6 and an annular support member 8 connected between the two crimping ring members 7, the top side of the first rubber ring 6 at the topmost end is also pressed with an annular vertical top part 9, the vertical top part 9 is also provided with an annular horizontal top part 10 towards the cable line above the cable sheath 3, a second rubber ring 11 is further arranged between the bottom side of the horizontal top part 10 and the cable sheath 3, the top side of the horizontal top part 10 is a sliding surface, the bottom end of the gland nut 4 is further provided with a sliding ring 12 which can be pressed on the sliding surface, and the inner upper part of the hole of the cable sheath mounting hole 2 is further provided with an inner thread matched with the thread of the gland nut 4.
The crimping ring is a stainless steel piece.
A limiting convex ring 13 protruding towards the first rubber ring 6 is further arranged on one side of the ring pressing piece 7 contacted with the first rubber ring 6, and a limiting groove matched with the limiting convex ring 13 is arranged on the first rubber ring 6.
The longitudinal section of the limit convex ring 13 is triangular.
The utility model discloses a theory of operation is: after the sealing assembly and the cable sheath are arranged in the cable sheath mounting hole 2, the compression nut 4 can be connected into the cable sheath mounting hole 2 through threads, only the bottom of the compression nut can be abutted against the horizontal top piece, at the moment, the rotation of the compression nut cannot be influenced due to the arrangement of the sliding surface on the horizontal top piece, the horizontal top piece 10 can be pressed downwards under the action of the threaded force, the horizontal top piece 10 is pressed against the second rubber ring to deform, the first heavy sealing is realized, the horizontal top piece 10 is pressed against the topmost first rubber ring 6 through the vertical top piece 9, the first rubber ring 6 realizes deformation towards two ends under the action of the lower ring pressing piece and the vertical top piece 9, so that the first rubber ring 6 can be tightly matched with the inner wall side of the cable sheath mounting hole 2 and the outer side of the cable sheath 3, the second heavy sealing effect is realized, and the analogy is sequentially realized, each layer of the first rubber ring 6 can be added with one layer of sealing effect, meanwhile, due to the fact that the sealing is achieved, gaps which are convenient for the cables to be arranged in the cable sheath mounting holes 2 can be eliminated, and therefore the relative fixing effect between the cables and the motor shell is better.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A motor shell convenient for cable installation comprises a motor shell body, wherein a cable sheath installation hole is formed in the motor shell body, the motor shell further comprises a sealing component which is arranged in the cable sheath installation hole and is in sealing fit with a cable sheath, and a compression nut which is arranged on a cable conductor on the upper portion of the cable sheath, a terminal post which can supply the cable is arranged at the bottom of the cable sheath installation hole and penetrates into a terminal post hole in the motor shell body, the sealing component comprises at least two groups of first rubber rings which are coaxially arranged in the cable sheath installation hole and a compression ring which is arranged between every two adjacent first rubber rings, the compression ring comprises two coaxially arranged compression ring pieces which are respectively abutted against the side surfaces of the two groups of first rubber rings and an annular supporting piece which is connected between the two compression ring pieces, and the top side of the first rubber ring at the top end is also compressed and provided with an annular vertical top piece, the vertical top piece still moves towards the cable conductor of cable sheath top sets up an annular level top piece, just the bottom side of level top piece with still be equipped with the second rubber ring between the cable sheath, the top side of level top piece is the glide plane, just gland nut's bottom still is equipped with the crimping and is in slip ring on the glide plane, the downthehole upper portion of cable sheath mounting hole still be equipped with gland nut screw-thread fit's internal thread.
2. The motor housing for facilitating cable installation of claim 1, wherein the crimp ring is a stainless steel member.
3. The motor housing convenient for cable installation according to claim 1, wherein a side of the pressure ring member contacting the first rubber ring is further provided with a limit protruding ring protruding toward the first rubber ring, and the first rubber ring is provided with a limit groove engaged with the limit protruding ring.
4. A cable-mounting facilitated motor housing according to claim 3, wherein said retention bead is triangular in longitudinal cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345562.0U CN210867391U (en) | 2019-12-24 | 2019-12-24 | Motor casing convenient to cable installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345562.0U CN210867391U (en) | 2019-12-24 | 2019-12-24 | Motor casing convenient to cable installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210867391U true CN210867391U (en) | 2020-06-26 |
Family
ID=71293409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922345562.0U Active CN210867391U (en) | 2019-12-24 | 2019-12-24 | Motor casing convenient to cable installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210867391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803663A (en) * | 2021-03-03 | 2021-05-14 | 郑州轻工业大学 | Explosion-proof heavy vibration motor |
-
2019
- 2019-12-24 CN CN201922345562.0U patent/CN210867391U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803663A (en) * | 2021-03-03 | 2021-05-14 | 郑州轻工业大学 | Explosion-proof heavy vibration motor |
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