CN221057722U - Binding post waterproofing mechanism and compressor - Google Patents

Abstract

The utility model discloses a wiring terminal waterproof mechanism and a compressor, wherein the wiring terminal waterproof mechanism comprises a mounting seat and a main shell; the mounting seat comprises a base and a connecting part fixed on one side of the base, a notch is arranged on the connecting part, and the notch extends to the base; the connecting part is fixedly spliced with the main shell and is in sealing fit, the main shell seals the opening of the mounting seat, and a mounting cavity is formed between the mounting seat and the main shell; the base is provided with a first interface communicated with the mounting cavity, and the main shell is provided with a second interface communicated with the mounting cavity. When the compressor is installed, the base part can be fixed on the compressor body, so that even if liquid exists in the installation seat, the liquid in the installation seat can be smoothly discharged from the notch along the base part, and then the main shell is installed on the installation seat, so that the dryness of the protection installation cavity can be ensured, and the waterproof capacity of the compressor wiring terminal is improved; in summary, the waterproof mechanism for the connecting terminal provided by the utility model can improve the waterproof capability of the connecting terminal of the compressor.

Description

Binding post waterproofing mechanism and compressor

Technical Field

The utility model relates to the technical field of compressors, in particular to a waterproof mechanism of a wiring terminal and a compressor.

Background

The existing rotary compressor needs to adopt a connecting terminal to connect parts when in use. Wherein, the part of the terminal outside the compressor body needs to be waterproof by a waterproof mechanism.

In the process of implementing the present utility model, the inventor finds that at least the following problems exist in the prior art:

In the existing system, the waterproof mechanism of the wiring terminal is assembled in the process of the compressor body, possibly liquid exists in the waterproof mechanism, and the liquid cannot be discharged in time, so that the waterproof performance of the wiring terminal of the compressor cannot be guaranteed.

Therefore, how to improve the waterproof capability of the compressor connection terminal is a technical problem that needs to be solved by those skilled in the art.

Disclosure of utility model

Accordingly, the present utility model is directed to a waterproof mechanism for a connection terminal and a compressor, which can improve the waterproof capability of the connection terminal of the compressor.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

A waterproof mechanism of a binding post comprises a mounting seat and a main shell; the mounting seat comprises a base part and a connecting part fixed on one side of the base part, wherein a notch is arranged on the connecting part and extends to the base part; the connecting part is fixedly spliced and matched with the main shell in a sealing way, the main shell seals the opening of the mounting seat, and a mounting cavity is formed between the mounting seat and the main shell; the base is provided with a first interface communicated with the mounting cavity, and the main shell is provided with a second interface communicated with the mounting cavity.

Preferably, the main housing includes a nipple and a terminal cover; the second interface is arranged on the connecting sleeve, and the connecting sleeve is provided with a first opening and a second opening which are communicated with the inner cavity of the connecting sleeve; the mounting seat is connected with the nipple and seals the first opening, and the terminal cover is connected with the nipple and seals the second opening.

Preferably, the terminal cover is fixedly connected to the nipple by interference fit.

Preferably, the main housing further comprises a plug, and the second interface is arranged on the plug; the socket is provided with a yielding groove communicated with the mounting cavity, and the plug block can be mounted in the yielding groove after the socket is mounted on the mounting seat.

Preferably, a part of the edge of the relief groove is in abutting communication with a part of the edge of the second opening, so that the insert block can be inserted into the relief groove through the second opening.

Preferably, the movable part of the insert has elasticity, and a notch extending from the outer surface of the insert to the second opening is formed in the movable part; the movable part is positioned at the two sides of the notch, can deform and separate to communicate the second interface with the space outside the outer surface of the insert block, and can reset under the action of elasticity to be attached.

Preferably, the notch is provided through at an end remote from the base.

Preferably, the connecting sleeve comprises a first sleeve body and a second sleeve body, the first sleeve body is in butt joint with the second sleeve body and forms an annular structure, the first opening and the second opening are respectively positioned at two ends of the annular structure, the connecting part is sleeved on the outer side of the first sleeve body, and the second sleeve body is inserted into the notch.

Preferably, the mounting cavity is filled with insulating waterproof glue.

Preferably, a compressor includes a compressor body, a terminal assembly, and a waterproof mechanism for the above-described terminal; the mounting seat is fixed on the compressor body, and part of the terminal assembly extends out of the compressor body and can be mounted in the mounting cavity through the first interface and the second interface.

Compared with the prior art, the wiring terminal waterproof mechanism and the compressor provided by the utility model have the following beneficial effects:

the utility model provides a waterproof mechanism of a binding post, which comprises a mounting seat and a main shell; the mounting seat comprises a base part and a connecting part fixed on one side of the base part, wherein a notch is arranged on the connecting part and extends to the base part; the connecting part is fixedly spliced and matched with the main shell in a sealing way, the main shell seals the opening of the mounting seat, and a mounting cavity is formed between the mounting seat and the main shell; the base is provided with a first interface communicated with the mounting cavity, and the main shell is provided with a second interface communicated with the mounting cavity.

When the wiring terminal waterproof mechanism is installed on the compressor body, the base part can be fixed on the compressor body, so that even if liquid exists in the installation seat, the liquid in the installation seat can be smoothly discharged from the notch along the base part, and then the main shell is installed on the installation seat, so that the drying performance of the protection cavity can be ensured, and the waterproof capacity of the wiring terminal of the compressor is improved. In addition, because the breach is the structural feature of being convenient for discernment, can regard as location structure, the assembly angle of mount pad on the equipment body and the assembly angle of main casing on the mount pad are prompted, can reduce the assembly degree of difficulty. In addition, after the mount pad is assembled on the equipment body, both can leave the factory as an integral part, and at this moment, the breach can be regarded as the drainage structures of equipment body water inspection and during the application, can be with the liquid discharge that gets into the mount pad when water inspection and application, does not have liquid to store up in the mount pad to after the main casing is installed in the mount pad, no liquid in the waterproof mechanism of whole binding post stores up, and then can improve the waterproof ability to the compressor binding post. In summary, the waterproof mechanism for the connecting terminal provided by the utility model can improve the waterproof capability of the connecting terminal of the compressor.

The compressor provided by the utility model comprises the wiring terminal waterproof mechanism, so that the compressor has the technical effects.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a waterproof mechanism for a connection terminal provided by the present utility model mounted on an upper housing of a rotary compressor;

FIG. 2 is a cross-sectional view B-B of FIG. 1;

fig. 3 is a schematic structural view of a waterproof mechanism for a connection terminal according to the present utility model;

Fig. 4 is a schematic structural view of a mounting seat in the waterproof mechanism of the connecting terminal provided by the utility model;

Fig. 5 is a schematic structural view of a socket in the waterproof mechanism of the connecting terminal provided by the utility model;

fig. 6 is a schematic structural view of an insert block in the waterproof mechanism of a connection terminal according to the present utility model;

fig. 7 is a schematic view of a terminal cover in the waterproof mechanism for a connection terminal according to the present utility model.

Reference numerals:

The mounting seat 1, the base 11, the connecting part 12, the notch 13 and the first interface 14;

The connecting sleeve 2, the first opening 21, the second opening 22, the abdication groove 23, the first sleeve body 24, the second sleeve body 25,

A terminal cover 3;

insert 4, second interface 41, slot 42, movable part 43, cutout 44;

Insulating waterproof glue 5;

a compressor body 6, a terminal body 61, a lead wire 62, a terminal assembly 63;

A main housing 7;

the chamber 8 is mounted.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a wiring terminal waterproof mechanism and a compressor, which can improve the waterproof capability of the wiring terminal of the compressor.

The first embodiment of the waterproof mechanism for the wiring terminal provided by the utility model is described by taking the application of the waterproof mechanism for the wiring terminal to a compressor as an example, and the waterproof mechanism for the wiring terminal can also be applied to other equipment needing to be provided with the wiring terminal. Referring to fig. 1 to 7, the waterproof mechanism includes a mount 1 and a main housing 7.

The mounting seat 1 is preferably a thin-wall sheet metal part, is easy to mold and weld, and can also be a plastic part. As shown in fig. 2 and 4, the mount 1 includes a base 11 and a connecting portion 12 fixed to one side of the base 11, and the other side of the base 11 is used to be fixed to the compressor body, and may be specifically welded, for example, resistance welded or laser welded, or adhered to the compressor body 6 by glue.

The connection portion 12 is used for connecting the main casing 7, a notch 13 is arranged on the connection portion 12, the notch 13 extends to the base 11, and since the notch 13 extends to the base 11, liquid on the base 11 can be directly discharged through the notch 13, in this embodiment, the connection portion 12 is provided with the notch 13 in a penetrating manner, and in other embodiments, a plurality of notches 13 can be provided, and the notches can be particularly arranged around the central line of the base 11 in sequence.

As shown in fig. 2 and 3, the connection portion 12 is fixedly inserted into the main housing 7 and is in sealing engagement with the main housing 7, in this embodiment, the main housing 7 is inserted into the connection portion 12, and in other embodiments, the connection portion 12 may be inserted into the main housing 7. Wherein, the main casing 7 seals the opening of the mounting seat 1, so that a mounting cavity 8 is enclosed between the mounting seat 1 and the main casing 7, and the mounting cavity 8 can accommodate a portion of the terminal assembly 63, which is externally arranged on the compressor body 6, for waterproofing. The base 11 is provided with a first interface 14 communicated with the mounting cavity 8, and the main shell 7 is provided with a second interface 41 communicated with the mounting cavity 8, so that the terminal assembly 63 can extend into the waterproof mechanism through the first interface 14 and the second interface 41 respectively.

When the waterproof mechanism of the wiring terminal is installed on the compressor body 6, the base 11 can be fixed on the compressor body 6, so that even if liquid exists in the installation seat 1, the liquid in the installation seat 1 can be discharged from the notch 13 along the base 11, and then the main shell 7 is installed on the installation seat 1, so that the dryness of the installation cavity 8 can be ensured, and the waterproof capability of the wiring terminal of the compressor can be improved. In addition, the notch 13 is a structural feature convenient for identification, and can be used as a positioning structure to prompt the assembly angle of the mounting seat 1 on the compressor body 6 and the assembly angle of the main casing 7 on the mounting seat 1, so that the assembly difficulty can be reduced. In addition, after the mounting seat 1 is assembled on the compressor body 6, at this time, the notch 13 can be used as a drainage structure during water inspection and coating of the compressor body 6, so that liquid entering the mounting seat 1 during water inspection and coating can be discharged, no liquid is accumulated in the mounting seat 1, and therefore, after the main shell 7 is mounted on the mounting seat 1, no liquid is accumulated in the whole wiring terminal waterproof mechanism, and the waterproof capability of the compressor wiring terminal can be improved. In summary, the waterproof mechanism for the connecting terminal provided by the utility model can improve the waterproof capability of the connecting terminal of the compressor.

Further, as shown in fig. 3 and 5, the main housing 7 includes the nipple 2 and the terminal cover 3. The second port 41 is provided on the nipple 2, and the nipple 2 has a first opening 21 and a second opening 22 communicating with the inner cavity thereof. Specifically, the nipple 2 has an annular structure, penetrates in a straight line direction, and has a first opening 21 and a second opening 22 at both ends in the penetrating direction. Of course, in other embodiments, the nipple 2 may also extend through in an L-shaped or arcuate direction.

The mount pad 1 is connected in the nipple 2 and closing cap first opening 21, so can realize the fixed between mount pad 1 and the nipple 2, and terminal cover 3 is connected in nipple 2 and closing cap second opening 22, so can realize the fixed between terminal cover 3 and the nipple 2, and nipple 2, mount pad 1 and terminal cover 3 enclose into installation cavity 8. Preferably, the terminal cover 3 is fixedly connected to the adapter sleeve 2 through interference fit, so that the assembly difficulty can be reduced, the sealing effect between the terminal cover 3 and the adapter sleeve 2 is ensured, the sealing structure such as a sealing ring and the connecting structure such as a screw are not required to be additionally arranged at the joint of the terminal cover 3 and the adapter sleeve 2, the number of parts is reduced, and in other embodiments, the terminal cover 3 and the adapter sleeve 2 can be welded and fixed.

In the assembling process, after the components in the terminal assembly 63 are assembled on the compressor body 6, the mounting seat 1 is assembled on the compressor body 6, the nipple 2 is mounted on the mounting seat 1, and after the components in the terminal assembly 63 are connected, the terminal cover 3 is covered. Because the shell structure formed by the split mounting seat 1, the connecting sleeve 2 and the terminal cover 3 is adopted as the main body structure of the waterproof mechanism, all the components can be assembled in sequence, the position relation between the terminal assembly 63 and the waterproof mechanism can be conveniently adjusted, and the assembly is further convenient. Of course, in other embodiments, the socket 2 and the terminal cover 3 may be integrally formed.

Further, as shown in fig. 3 and 6, the main housing 7 further includes a plug 4, and the second interface 41 is provided on the plug 4. The sleeve 2 is provided with a yielding groove 23 communicated with the mounting cavity 8, and the plug 4 can be mounted in the yielding groove 23 after the sleeve 2 is mounted on the mounting seat 1. If the insert 4 is not installed in the process of assembling the socket 2 on the mounting seat 1, at this time, the size of the position giving groove 23 is larger, so that a large enough space can be provided for avoiding the terminal assembly 63, so as to facilitate wiring with the terminal assembly 63, and then the insert 4 assembled with the terminal assembly 63 is assembled in the position giving groove 23, and the seal effect of the position giving groove 23 can be improved due to the addition of the insert 4. Of course, in other embodiments, the insert 4 and the socket 2 may be integrally formed.

Wherein, preferably, the partial edge of the relief groove 23 is in abutting communication with the partial edge of the second opening 22, so that the insert 4 can be inserted into the relief groove 23 through the second opening 22, and the assembly is convenient. Of course, in other embodiments, the relief groove 23 may be a hole structure with a closed edge, and in this case, after the adapter sleeve 2 is assembled to the mounting base 1, the insert 4 may be mounted to the relief groove 23 from the inner cavity of the adapter sleeve 2, and the outer surface of the adapter sleeve 2 and the relief groove 23 may be in interference fit.

Preferably, the outer side surface of the insert block 4 is provided with a slot 42, and after the insert block 4 is inserted into the relief groove 23 through the second opening 22, the slot 42 engages with the edge of the relief groove 23, so that the reliability and sealing performance of the connection between the insert block 4 and the relief groove 23 can be ensured.

Preferably, the movable portion 43 of the insert 4 has elasticity, and the movable portion 43 is provided with a notch 44 extending from the outer surface of the insert 4 to the second opening 22. The portions of the movable portions 43 located at both sides of the notch 44 are deformable and separable to communicate the second connector 41 with a space outside the outer surface of the insert 4, and the portions of the movable portions 43 located at both sides of the notch 44 are capable of being reset to be attached under the action of elastic force.

Based on the arrangement of the movable part 43 and the notch 44, when the terminal assembly 63 and the insert 4 are assembled, the lead 62 in the terminal assembly 63 is specifically assembled on the insert 4, in the assembling process, the notch 44 is broken by applying external force to the parts on two sides of the notch 44 at the movable part 43, the lead 62 can enter the second interface 41 from the outer side of the insert 4 through the enlarged notch 44, then the external force on the movable part 43 is relieved, under the action of elastic reset force of the movable part 43, the parts on two sides of the notch 44 at the movable part 43 are automatically close to be attached, the lead 62 is prevented from falling out of the second interface 41, so that the assembly of the insert 4 and the lead 62 is convenient, and the notch 44 is closed after the lead 62 is assembled on the insert 4, the second interface 41 is still in a hole structure with a closed edge, and the sealing capability of the insert 4 can be ensured.

Wherein, optionally, the movable part 43 is disposed at one end of the insert block 4 away from the second opening 22, and the direction of installing the lead 62 of the insert block 4 corresponds to the direction of installing the insert block 4 towards the yielding groove 23, so that the assembly is further convenient.

Preferably, the insert 4 is an elastic element, such as a rubber element, or another elastic metal spring or composite element. More preferably, after the insert 4 is mounted in the relief groove 23, the insert 4 may protrude beyond the outer surface of the nipple 2, and at this time, the insert 4 is press-fitted with the compressor body 6, so that the sealing capability at the second opening 22 can be further ensured. Of course, in other embodiments, only the movable portion 43 may be provided as an elastic member, and the remaining portion may be inelastic.

Further, as shown in fig. 4, the notch 13 is provided to penetrate at an end far from the base 11, the notch 13 is a straight groove, and as a buckle, the smooth drainage of the notch 13 can be ensured, the notch is not blocked, and the processing of the connecting portion 12 is facilitated. Of course, in other embodiments, the notch 13 may be a closed-edge hole structure.

Further, as shown in fig. 5, the connector 2 includes a first sleeve body 24 and a second sleeve body 25, the first sleeve body 24 and the second sleeve body 25 are abutted and enclosed into an annular structure, and the first opening 21 and the second opening 22 are respectively located at two ends of the annular structure. The first sleeve 24 and the second sleeve 25 may be configured as desired, for example, the first sleeve 24 is a C-shaped housing, and the second sleeve 25 is a U-shaped housing. At this time, the middle portion of the second sleeve 25 is substantially flat, and can be supported by the compressor body 6 more stably.

As shown in fig. 2, the connecting portion 12 is sleeved outside the first sleeve 24, and the second sleeve 25 is inserted into the notch 13. During assembly, the connecting sleeve 2 can be pressed into the inner side of the connecting part 12 until being propped against the base part 11, the connecting part 12 and the connecting sleeve 2 can be connected by concave-convex points in a self-buckling way, or the connecting part 12 and the connecting sleeve 2 can be self-locked by inclined plane matching, for example 3 degrees, specifically, the outer surface of the connecting sleeve 2, which is close to the first opening 21, and the inner surface of the connecting part 12 are respectively provided with a certain taper, and the connecting sleeve 2 and the mounting seat 1 are extruded, attached and self-locked, so that the connecting sleeve 2 and the mounting seat 1 are not easy to loosen.

Further, as shown in fig. 2, the installation cavity 8 is filled with an insulating waterproof glue 5 to realize sealing fit between the installation seat 1 and the main housing 7. Alternatively, the insulating waterproof glue 5 is a liquid glue, such as an epoxy glue.

In the assembly process, the filling operation of the insulating waterproof glue 5 can be performed after the assembly of other parts is completed and before the terminal cover 3 is assembled on the joint sleeve 2, the insulating waterproof glue 5 is specifically wrapped on the part of the terminal assembly 63 located in the installation cavity 8, the terminal assembly 63 comprises a terminal body 61 arranged on the terminal body extending into the installation cavity 8 through the first interface 14 and a lead 62 extending into the installation cavity 8 through the second interface 41 in the direction of fig. 2, the terminal body 61 is higher than the lead 62, after the insulating waterproof glue 5 is filled into the installation cavity 8, the filling amount of the insulating waterproof glue 5 is preferably higher than the terminal body 61, and the installation cavity 8 can be finally filled according to the requirement of the insulating waterproof grade. Of course, in other embodiments, sealing rings may be disposed between the mounting seat 1 and the main housing 7 in the waterproof mechanism and between different components to be assembled in the main housing 7, or sealing glue may be separately coated at the butt joint position, so as to realize sealing fit between the components, and ensure waterproof capability.

The binding post waterproofing mechanism in this embodiment is applied to the compressor, and the assembly process includes:

1) After the terminal body 61 is welded on the upper housing of the compressor body 6, the first interface 14 of the mounting base 1 is welded to the compressor body 6 along the extending direction of the terminal body 61, and the mounting base 1 and the compressor body 6 may be shipped as an integral piece, or may perform other operations, for example, the mounting base 1 performs other assembly operations, water inspection and coating along with the compressor body.

2) After the compressor body 6 is installed on the system, the connecting sleeve 2 is pressed into the mounting seat 1, and the contact surface of the connecting sleeve 2 and the mounting seat 1 can be provided with 3-degree self-locking or concave-convex point self-buckling connection, so that the connecting sleeve 2 and the mounting seat 1 are not easy to loosen.

3) The lead 62 of the blade type is inserted into the terminal body 61, the second connector 41 of the plug 4 is fitted with the lead 62, and the plug 4 is inserted into the relief groove 23 of the socket 2.

4) Filling liquid insulating waterproof glue 5 into the connecting sleeve 2, wherein the insulating waterproof glue 5 is higher than the terminal body 61 of the lead 62, and the filling amount of the insulating waterproof glue 5 can be specifically adjusted according to the insulating waterproof grade requirement;

5) The terminal cover 3 is pressed on the connecting sleeve 2, and the terminal cover and the connecting sleeve are in small interference fit.

The wiring terminal waterproof mechanism provided by the utility model adopts the combined parts to replace the integrated parts, can cancel the arrangement of the screw, the accessory terminal cover, the terminal gasket and other parts in the conventional wiring terminal waterproof mechanism, has simple and reasonable structure, convenient assembly and better waterproof capability, can improve the reliability of the compressor, can ensure the normal operation of an air conditioning system, and is suitable for the control of the production process.

Besides the waterproof mechanism of the wiring terminal, the utility model also provides a compressor, which can be a rotary compressor and is particularly applied to air conditioning, refrigeration and other systems adopting the compressor.

The compressor includes the compressor body 6, the terminal assembly 63 and the terminal waterproof mechanism, and the terminal waterproof mechanism may be specifically the terminal waterproof mechanism provided in any of the above embodiments, and the above embodiments may be referred to correspondingly for the beneficial effects. The compressor body 6 can be a conventional rotary compressor, or a horizontal compressor and a double-cylinder and multi-cylinder compressor.

The mounting base 1 is fixed to the compressor body 6, and a portion of the terminal assembly 63 extends out of the compressor body 6 and may be mounted in the mounting cavity 8 via the first interface 14 and the second interface 41. During assembly, the mounting seat 1 is fixed on the compressor body 6 by adopting a resistance welding mode or a laser welding mode (two-spot welding mode and three-spot welding mode) and the like, after the plug wire of the terminal assembly 63 is completed, the connecting sleeve 2 is inserted into the mounting seat 1, the plug block 4 is sleeved into the lead wire 62 and is mounted on the connecting sleeve 2, then the insulating waterproof glue 5 is filled into the connecting sleeve 2, and finally the terminal cover 3 is covered.

It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality", "a plurality of groups" is two or more.

The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The waterproof mechanism of the wiring terminal and the compressor provided by the utility model are described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (10)

1. The waterproof mechanism of the wiring terminal is characterized by comprising a mounting seat (1) and a main shell (7); the mounting seat (1) comprises a base (11) and a connecting part (12) fixed on one side of the base (11), wherein a notch (13) is arranged on the connecting part (12), and the notch (13) extends to the base (11); the connecting part (12) is fixedly spliced and matched with the main shell (7) in a sealing way, the main shell (7) covers the opening of the mounting seat (1), and a mounting cavity (8) is formed between the mounting seat (1) and the main shell (7) in a surrounding way; the base (11) is provided with a first interface (14) communicated with the mounting cavity (8), and the main shell (7) is provided with a second interface (41) communicated with the mounting cavity (8).

2. The waterproof mechanism of a connection terminal according to claim 1, characterized in that the main housing (7) comprises a nipple (2) and a terminal cover (3); the second interface (41) is arranged on the connecting sleeve (2), and the connecting sleeve (2) is provided with a first opening (21) and a second opening (22) which are communicated with the inner cavity of the connecting sleeve; the mounting seat (1) is connected to the nipple (2) and seals the first opening (21), and the terminal cover (3) is connected to the nipple (2) and seals the second opening (22).

3. The waterproof mechanism of a connection terminal according to claim 2, characterized in that the terminal cover (3) is fixedly connected to the nipple (2) by interference fit.

4. The waterproof mechanism of a connection terminal according to claim 2, characterized in that the main housing (7) further comprises a plug (4), the second interface (41) being provided on the plug (4); the socket (2) is provided with a yielding groove (23) communicated with the mounting cavity (8), and the plug block (4) can be mounted in the yielding groove (23) after the socket (2) is mounted on the mounting seat (1).

5. The waterproof mechanism for a connection terminal according to claim 4, wherein a part of the edge of the relief groove (23) is in abutting communication with a part of the edge of the second opening (22) so that the insert block (4) can be inserted into the relief groove (23) through the second opening (22).

6. The waterproof mechanism for a connection terminal according to claim 4, wherein the movable portion (43) of the insert block (4) has elasticity, and a cutout (44) extending from the outer surface of the insert block (4) to the second opening (22) is provided on the movable portion (43); the parts of the movable parts (43) positioned at the two sides of the notch (44) can be deformed and separated to be communicated with the space outside the outer surfaces of the second connector (41) and the insert block (4), and can be reset under the action of elasticity to be attached.

7. A terminal waterproofing mechanism according to claim 2 characterized in that the notch (13) is provided through at an end remote from the base (11).

8. The waterproof mechanism of a connecting terminal according to claim 6, wherein the connecting sleeve (2) comprises a first sleeve body (24) and a second sleeve body (25), the first sleeve body (24) and the second sleeve body (25) are abutted and enclosed into an annular structure, the first opening (21) and the second opening (22) are respectively positioned at two ends of the annular structure, the connecting part (12) is sleeved outside the first sleeve body (24), and the second sleeve body (25) is inserted into the notch (13).

9. The terminal waterproofing mechanism according to any one of claims 1 to 8 wherein the installation cavity (8) is filled with an insulating waterproofing gel (5).

10. A compressor characterized by comprising a compressor body (6), a terminal assembly (63) and the terminal waterproofing mechanism of any one of claims 1 to 9; the mounting seat (1) is fixed on the compressor body (6), part of the terminal assembly (63) extends out of the compressor body (6), and the extending part can be mounted in the mounting cavity (8) through the first interface (14) and the second interface (41).