CN210985827U - Motor cable sealing assembly - Google Patents

Abstract

The utility model relates to a motor cable sealing component, which comprises a receiving opening arranged on a motor, wherein the inner wall of the receiving opening is provided with an internal thread, and a conductive column is arranged in the receiving opening; the motor contact pin is clamped on the conductive column and is also used for connecting a cable; the pin inserting device comprises a pin inserting shell, a pin inserting shell and a pin inserting mechanism, wherein the pin inserting shell is provided with a first end, a second end and an inner cavity for accommodating a motor pin, the inner cavity penetrates and extends between the first end and the second end, an external thread matched with the internal thread is arranged at the first end, the root of the first end extends outwards in the radial direction to form an abutting part I, a sealing ring I is arranged between the abutting part I and the end face of a receiving opening, the pin inserting shell is combined with a shell nut at the second end, the inner wall of the rear end of the shell nut extends inwards in the radial direction to; after the arrangement, the connection between the motor and the cable is indirect connection, and the connection between the motor and the cable is generated in the inner cavity of the contact pin shell, so that the tightness of the connection part is ensured, and the safety performance is improved.

Description

Motor cable sealing assembly

Technical Field

The utility model relates to a cable sealing technique field especially relates to the sealing of motor cable.

Background

When the motor is connected with other electrical equipment, especially in a ship body or a humid environment, a sealing component must be added at the interface of the cable, on one hand, liquid is prevented from entering the motor along the cable to cause damage to the motor, and on the other hand, the service life of the cable is shortened if corrosive media exist in the liquid, so that the cable sealing component with good sealing performance and without influencing the electric conduction of the cable is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a motor cable seal assembly has solved the motor cable and has needed sealing connection's problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a motor cable seal assembly, it includes:

the motor comprises a receiving opening, a motor body and a power supply, wherein the receiving opening is arranged on the motor, an internal thread is arranged on the inner wall of the receiving opening, and a conductive column is arranged in the receiving opening;

the front end of the motor contact pin is clamped on the conductive post, and the rear end of the motor contact pin is used for connecting a cable;

the contact pin shell is provided with a first end and a second end, the contact pin shell is provided with an inner cavity for accommodating the motor contact pin, the inner cavity penetrates and extends between the first end and the second end, the first end is provided with an external thread matched with the internal thread, the root of the first end radially extends outwards to form a contact part I, and a sealing ring I is arranged between the contact part I and the end face of the receiving opening;

the shell nut, the shell nut combines the second end, just the rear end inner wall of shell nut radially inwards extends and forms butt portion II, butt portion II with be provided with sealing washer II between the terminal surface of second end.

Preferably, the sealing ring ii extends into the inner cavity.

Preferably, the inner wall of the rear end of the contact pin shell extends radially inwards to form a contact part III, and the contact part III abuts against the rear end of the motor contact pin.

Preferably, the front end of the motor pin comprises a plurality of connecting strips, the connecting strips extend axially and forwards independently of each other, the connecting strips surround to form an insertion hole, and the conductive column is combined in the insertion hole.

Preferably, the rear end of the motor pin further comprises a cable accommodating cavity, and a partition plate is arranged between the cable accommodating cavity and the insertion hole.

Preferably, the outer wall of the cable accommodating cavity is further provided with air holes.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses motor cable seal assembly, it sets up the opening to lead electrical pillar department at the motor, the opening interpolation is equipped with the contact pin shell, the contact pin shell is airtight with the opening, be equipped with the motor contact pin in the contact pin shell inner chamber, motor contact pin one end with lead electrical pillar joint, the other end and the cable connection who inserts the contact pin shell, realize the intercommunication of cable and motor, after setting up like this, the motor takes place in the inner chamber of contact pin shell for indirect connection and the two is connected with of cable, the security has been improved, the upper end of contact pin shell still is provided with the shell nut, the shell nut inwards still is equipped with the extension, be used for further fixing the cable, guarantee the stability of cable in the contact pin shell.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic structural diagram according to a preferred embodiment of the present invention.

Wherein the reference numerals are as follows:

1. a motor; 2. an electric guide post; 3. a motor pin is inserted; 301. A connecting strip; 302. a cable accommodating cavity; 303. a partition panel; 304. air holes are formed; 305. inserting holes; 4. a pin housing; 401. an abutting portion I; 402. a sealing ring I; 403. an inner cavity; 404. an abutting portion III; 5. a housing nut; 501. An abutting part II; 6. and a sealing ring II.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As the sealing of connecting cable when the motor that the motor cable seal assembly shown in fig. 1 is used for motor and other electric device to link to each other, the utility model discloses motor cable seal assembly includes electric guide pillar 2, motor contact pin 3, contact pin shell 4 and the shell nut 5 of connecting on contact pin shell 4 and being used for further fixed motor cable of motor 1.

A receiving opening is formed in the motor 1, internal threads are arranged in the receiving opening, and the electric conduction column 2 is arranged in the receiving opening.

The contact pin shell 4 comprises a first end, a second end and an inner cavity 403 for accommodating the motor contact pin 3, the inner cavity 403 penetrates and extends between the first end and the second end, an external thread matched with the internal thread of the receiving opening is arranged at the first end, the first end is inserted into the receiving opening, the root of the first end extends outwards in the radial direction to form an abutting part I401, a sealing ring I402 is arranged between the abutting part I401 and the end face of the receiving opening, the contact pin shell 4 and the receiving opening are connected more tightly due to the arrangement of the abutting part I401 and the sealing ring I402, and the sealing performance is guaranteed; the inner wall of second end is provided with and inwards extends and has butt portion III 404, and butt portion III 404 tightly supports the rear end at motor pin 3.

The shell nut 5 is arranged on the periphery of the second end of the contact pin shell 4, the internal thread at the front end of the shell nut 5 is matched with the thread at the second end of the contact pin shell 4, the rear end of the shell nut 5 radially extends inwards to form an abutting part II 501, and the end faces of the abutting part II 501 and the second end are provided with a sealing ring II 6. The sealing ring II 6 also extends into the inner cavity 403, and the more the sealing ring II 6 extends into the inner cavity 403 as the force of squeezing the housing nut 5 is larger, the tighter the binding of the motor cable is until the limit is reached.

The electric conduction performance of the motor pin 3 is good, the motor pin 3 is arranged in the inner cavity 403, the front end of the motor pin 3 extends to the first end of the pin housing 4, the motor pin 3 comprises a plurality of connecting strips 301, the connecting strips 301 mutually independently extend forwards in the axial direction and surround to form insertion holes 305, the conductive posts 2 are inserted in the insertion holes 305, the connecting strips 301 are clamped with the conductive posts 2, the rear end of the motor pin 3 extends to the second end of the pin housing 4, the rear end of the motor pin 3 comprises a cable accommodating cavity 302, the cable accommodating cavity 302 is used for connecting and placing a motor cable, a partition plate 303 is further arranged between the cable accommodating cavity 302 and the insertion holes 305, the partition plate 303 is used for further positioning the cable, the reliability of the connection between the cable and the motor pin 3 is ensured, in addition, the cable accommodating cavity 302 and the connecting strips 301 can be isolated by the partition plate 303, if liquid enters the cable accommodating cavity 302, the safety of the motor 1 can be ensured not to be affected, the outer wall of the cable accommodating cavity 302 is further provided with two symmetrical air holes, so as to prevent the problem that gas is not smoothly discharged due to overhigh temperature when the cable works.

During specific work, the cable passes through shell nut 5 and arrives in inner chamber 403 and be connected with the rear end of motor contact pin 3, and the electric quantity that the cable transmitted is passed through the 3 rear ends of motor contact pin and is transmitted for the connecting strip 301 of 3 front ends of motor contact pin, and rethread connecting strip 301 transmits and leads electrical pillar 2, realizes the connection of outside cable and motor 1, and the part of connecting seals closely, and liquid interference coupling part's phenomenon can not appear and takes place, guarantees the security performance, and electric conductivity is also good.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (6)

1. An electric machine cable seal assembly, comprising:

the motor comprises a receiving opening, a motor body and a power supply, wherein the receiving opening is arranged on the motor (1), an internal thread is arranged on the inner wall of the receiving opening, and a conductive column (2) is arranged in the receiving opening;

the front end of the motor pin (3) is clamped on the conductive column (2), and the rear end of the motor pin (3) is used for connecting a cable;

the pin inserting device comprises a pin inserting shell (4), wherein the pin inserting shell (4) is provided with a first end and a second end, the pin inserting shell (4) is provided with an inner cavity (403) for accommodating the motor pin (3), the inner cavity (403) extends between the first end and the second end in a penetrating mode, an external thread matched with the internal thread is arranged at the first end, the root of the first end extends outwards in the radial direction to form an abutting part I (401), and a sealing ring I (402) is arranged between the abutting part I (401) and the end face of the receiving opening;

the shell nut (5), shell nut (5) combine to be in the second end, just the rear end inner wall of shell nut (5) radially inwards extends and forms butt portion II (501), butt portion II (501) with be provided with sealing washer II (6) between the terminal surface of second end.

2. The motor-cable seal assembly of claim 1, wherein: the sealing ring II (6) extends into the inner cavity (403).

3. The motor-cable seal assembly of claim 1, wherein: the inner wall of the front end of the contact pin shell (4) extends inwards in the radial direction to form an abutting part III (404), and the abutting part III (404) abuts against the rear end of the motor contact pin (3).

4. The motor-cable seal assembly of claim 1, wherein: the front end of the motor pin (3) comprises a plurality of connecting strips (301), the connecting strips (301) extend forwards in the axial direction independently, the connecting strips (301) enclose an insertion hole (305), and the conductive column (2) is combined in the insertion hole (305).

5. The motor-cable seal assembly of claim 4, wherein: the rear end of the motor pin (3) further comprises a cable accommodating cavity (302), and a partition plate (303) is arranged between the cable accommodating cavity (302) and the inserting hole (305).

6. The motor-cable seal assembly of claim 5, wherein: the outer wall of the cable accommodating cavity (302) is also provided with air holes (304).

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