CN218548912U

CN218548912U - Controller wiring end sealing structure

Info

Publication number: CN218548912U
Application number: CN202222775931.1U
Authority: CN
Inventors: 梅洹; 何正伟; 夏伟
Original assignee: Chengdu Jinhuanke Technology Co ltd
Current assignee: Chengdu Jinhuanke Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-02-28
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a controller wiring end sealing structure, which comprises a shell, wherein a first through hole is formed in the shell, a wiring terminal is fixedly arranged on the first through hole in a penetrating manner, a first annular sinking platform is arranged at the outer side end of the first through hole, a sealing assembly for sealing the wiring terminal is arranged in the first annular sinking platform, the outer side end of the wiring terminal is fixedly connected with the wiring terminal, a sealing cover for sealing the wiring terminal is matched on the shell, semicircular grooves are respectively arranged on the sealing cover and the shell, and the two semicircular grooves are in butt joint fit and form a second through hole for avoiding the wiring terminal; this scheme is through multiple seal structure's design to reach good sealed effect, wherein sealed between terminal and the first through-hole is realized jointly through seal assembly and sealed glue, and the whole seal structure who comprises first sealing strip and annular sealing strip can realize the sealed of butt joint terminal.

Description

Controller wiring end sealing structure

Technical Field

The utility model relates to a controller sealing technique field, concretely relates to controller wiring end seal structure.

Background

The controller is the core component in the electrical system, and current controller includes insulating casing and the terminal of gomphosis in insulating casing, and the inside circuit board of insulating casing realizes electrical connection through terminal and outside binding post, needs seal terminal and binding post simultaneously to satisfy the working property and the operational environment of controller.

The existing sealing modes for the terminal mainly comprise the following three modes: the sealing method of insert molding, the sealing method adopting a sealing ring and the sealing method adopting glue pouring are adopted, wherein the sealing method of insert molding has more complex requirements on the structure of the insulating shell and has common sealing effect; the sealing ring applied to the controller is easily exposed in the external air, so that the sealing ring is easily aged and loses efficacy; in the sealing mode of encapsulating, the viscosity of sealed glue is lower, and the clearance between sealed glue and the terminal forms capillary passage easily, leads to losing sealed effect.

SUMMERY OF THE UTILITY MODEL

Not enough to the above-mentioned of prior art, the utility model provides a controller wiring end seal structure has solved the poor problem of the sealed effect of controller wiring end in the prior art.

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

the utility model provides a controller wiring end seal structure, which comprises a housin, be provided with first through-hole on the casing, the terminal is worn to be equipped with to fixed on the first through-hole, the outside end of first through-hole is provided with the heavy platform of first annular, it is provided with the seal assembly who is used for sealed cover to establish the terminal to sink the platform in the first annular, the outside end and the binding post fixed connection of terminal, the cooperation has the sealed lid that is used for sealed binding post on the casing, all be provided with semicircular groove on sealed lid and the casing, two semicircular groove butt joint cooperations form the second through-hole that is used for dodging binding post.

The beneficial effects of adopting the above technical scheme are: this scheme can realize the sealed between terminal and the first through-hole through seal assembly, can realize terminal outside end and binding post's the coupling part's sealed through sealed lid, adopts dual seal's mode to reach good sealed effect.

Furthermore, the middle part of the sealing cover is provided with an avoiding sunken groove, the periphery of the sealing cover is fixedly connected with the shell through a plurality of bolts, a square mounting groove surrounding the avoiding sunken groove is formed in the contact surface of the sealing cover and the shell, a first sealing strip is arranged in the square mounting groove, an annular mounting groove is formed in the second through hole, an annular sealing strip is arranged in the annular mounting groove, and the first sealing strip and the annular sealing strip are integrally formed.

The beneficial effects of adopting the above technical scheme are: dodge heavy groove and provide sufficient space of dodging for the terminal and binding post's coupling part, first sealing strip can realize sealed sealing between lid and the casing, and annular sealing strip can realize the sealing of binding post in the second through-hole, simultaneously with first sealing strip and annular sealing strip integrated into one piece, forms a whole seal structure, prevents to appear sealed breach between sealed lid, casing and the binding post.

Furthermore, the sealing assembly comprises a plurality of sealing rings, the sealing rings are arranged in a clearance mode along the axis direction of the sealing rings, and the two adjacent sealing rings are fixedly connected through a plurality of connecting strips.

The beneficial effects of adopting the above technical scheme are: the sealing effect of the sealing assembly can be improved by the multilayer sealing of the sealing rings, and meanwhile, the gaps between the sealing rings are arranged, so that the sealing rings are not affected each other when extrusion deformation occurs.

Furthermore, a gap between the outer side end of the first annular sinking platform and the binding post is filled with a sealant.

The beneficial effects of adopting the above technical scheme are: the sealant further improves the sealing effect of the wiring terminal, and simultaneously, the sealant also isolates the sealing assembly from the outside, thereby slowing down the aging of the sealing assembly caused by exposure in the air and prolonging the service life of the sealing assembly.

Furthermore, a conical surface in a circular truncated cone shape is arranged in the first through hole, the conical surface shrinks towards the inner side end of the first through hole, and a conical head tightly matched with the conical surface is arranged in the middle of the binding post.

The beneficial effects of adopting the above technical scheme are: through the inseparable cooperation of conical head and conical surface, make the terminal spacing fix in first through-hole, still play the effect of support to the terminal simultaneously, prevent that the effort that outside produced from transmitting to the circuit board of controller inside on and damaging the circuit board through the terminal.

Furthermore, a rubber sleeve is fixedly sleeved on the wiring terminal, a second annular sinking table is arranged in the second through hole, and the rubber sleeve is fixedly clamped in the second annular sinking table.

The beneficial effects of adopting the above technical scheme are: through the block of gum cover and the heavy platform of second annular, make the spacing fixing of binding post in the second through-hole, prevent that binding post from taking place to become flexible.

Drawings

Fig. 1 is a schematic view of a sealing structure of a terminal of a controller according to the present embodiment.

Fig. 2 is a schematic structural view of the seal assembly.

Fig. 3 is a schematic structural view of the sealing cover.

Fig. 4 is a schematic structural view of the first seal strip and the annular seal strip.

Wherein, the device comprises a shell 1, a shell 2, a first through hole 3, a binding post 4, a first annular sinking platform 5, a sealing component 6, a wiring terminal 7, a sealing cover 8, a semicircular groove 9, a second through hole 10 and an avoiding sinking groove, 11, a square mounting groove, 12, a first sealing strip, 13, an annular mounting groove, 14, an annular sealing strip, 15, a sealing ring, 16, a connecting strip, 17, sealing glue, 18, a conical surface, 19, a rubber sleeve, 20 and a second annular sinking platform.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.

As shown in fig. 1, the controller wiring end sealing structure of this scheme includes casing 1, be provided with first through-hole 2 on the casing 1, terminal 3 is worn to be equipped with to fixed on the first through-hole 2, be provided with the conical surface 18 that is round platform form in the first through-hole 2, conical surface 18 contracts to the medial extremity of first through-hole 2, the middle part of terminal 3 is provided with the awl head that closely cooperates with conical surface 18, through the inseparable cooperation of awl head and conical surface 18, make terminal 3 spacing fix in first through-hole 2, still play the effect of support to terminal 3 simultaneously, prevent that the effort of outside production from transmitting to the inside circuit board of controller through terminal 3 and damaging the circuit board.

As shown in fig. 1 and fig. 2, the outside end of first through-hole 2 is provided with a first annular heavy platform 4, be provided with the seal assembly 5 that is used for sealed cover to establish terminal 3 in the heavy platform of first annular, seal assembly 5 includes three sealing washer 15, three sealing washer 15 is arranged along its axis direction clearance, through 16 fixed connection of a plurality of connecting strips between two adjacent sealing washers 15, it is sealed through the multilayer of three sealing washer 15, can improve seal assembly 5's sealed effect, the clearance sets up between the sealing washer 15 simultaneously, make three sealing washer 15 mutually not influence when taking place extrusion deformation.

Sealed glue 17 has been filled in the clearance department between the outside end of first annular heavy platform 4 and the terminal 3, sealed glue 17 has further improved the sealed effect of terminal 3, sealed glue 17 still with seal assembly 5 with outside isolated simultaneously to slowed down seal assembly 5 because of exposing the ageing that takes place in the air, prolonged seal assembly 5's life.

As shown in fig. 1 and fig. 3, the outer end of the terminal 3 is fixedly crimped with the terminal 6 by a bolt, a sealing cover 7 for sealing the connection part of the terminal 3 and the terminal 6 is fitted on the housing 1, the sealing cover 7 and the housing 1 are both provided with semicircular grooves 8, and the two semicircular grooves 8 are butt-fitted to form a second through hole 9 for avoiding the terminal 6.

As shown in fig. 1, fig. 3 and fig. 4, an avoiding sunken groove 10 is provided in the middle of the sealing cover 7, a sufficient avoiding space is provided for a connection portion between the terminal 3 and the terminal 6, the periphery of the sealing cover 7 is fixedly connected with the housing 1 through a plurality of bolts, a square mounting groove 11 surrounding the avoiding sunken groove 10 is provided on a contact surface between the sealing cover 7 and the housing 1, a notch avoiding the second through hole 9 is provided on the square mounting groove 11, an annular mounting groove 13 is provided in the second through hole 9 located at the notch, a first sealing strip 12 is provided in the square mounting groove 11, so as to achieve sealing between the sealing cover 7 and the housing 1, an annular sealing strip 14 is provided in the annular mounting groove 13, so as to achieve sealing of the terminal 6 in the second through hole 9, the first sealing strip 12 and the annular sealing strip 14 are integrally formed, an integral sealing structure is formed, and a sealing gap is prevented from occurring between the sealing cover 7, the housing 1 and the terminal 6.

As shown in fig. 1, a rubber sleeve 19 is fixedly sleeved on the connecting terminal 6, a second annular sinking platform 20 is arranged in the second through hole 9, the rubber sleeve 19 is fixedly clamped in the second annular sinking platform 20, and the connecting terminal 6 is limited and fixed in the second through hole 9 by clamping the rubber sleeve 19 with the second annular sinking platform 20, so that the connecting terminal 6 is prevented from loosening.

In conclusion, the scheme achieves a good sealing effect through the design of the multiple sealing structure, wherein the sealing between the wiring terminal 3 and the first through hole 2 is achieved through the sealing assembly 5 and the sealant 17, so that the defect of poor sealing effect caused by the independent use of the sealing ring 15 or the sealant 17 is avoided, the sealing effect of the wiring terminal 3 is enhanced, and the sealing life of the wiring terminal 3 is prolonged; the sealing cover 7 is convenient to disassemble and assemble, the whole sealing structure formed by the first sealing strip 12 and the annular sealing strip 14 can realize the sealing of the wiring terminal 6, and a sealing notch is not easy to appear.

Claims

1. The utility model provides a controller wiring end seal structure, its characterized in that includes casing (1), be provided with first through-hole (2) on casing (1), fixed terminal (3) of wearing to be equipped with on first through-hole (2), the outside end of first through-hole (2) is provided with first annular heavy platform (4), be provided with in the first annular heavy platform (4) and be used for sealed cover to establish sealing assembly (5) of terminal (3), the outside end and binding post (6) fixed connection of terminal (3), the cooperation is equipped with sealed lid (7) that are used for sealed binding post (6) on casing (1), all be provided with semicircular groove (8) on sealed lid (7) and casing (1), two semicircular groove (8) butt joint cooperation and formation are used for dodging second through-hole (9) of binding post (6).

2. The controller wiring end sealing structure according to claim 1, wherein an avoiding sunk groove (10) is formed in the middle of the sealing cover (7), the periphery of the sealing cover (7) is fixedly connected with the shell (1) through a plurality of bolts, a square mounting groove (11) surrounding the avoiding sunk groove (10) is formed in the contact surface of the sealing cover (7) and the shell (1), a first sealing strip (12) is arranged in the square mounting groove (11), an annular mounting groove (13) is formed in the second through hole (9), an annular sealing strip (14) is arranged in the annular mounting groove (13), and the first sealing strip (12) and the annular sealing strip (14) are integrally formed.

3. The controller terminal sealing structure according to claim 1, wherein the sealing assembly (5) comprises a plurality of sealing rings (15), the plurality of sealing rings (15) are arranged at intervals along the axial direction of the sealing rings, and two adjacent sealing rings (15) are fixedly connected through a plurality of connecting strips (16).

4. The controller terminal sealing structure according to claim 1, wherein a gap between the outer end of the first annular sinking platform (4) and the terminal (3) is filled with a sealant (17).

5. The controller terminal sealing structure according to claim 1, wherein a conical surface (18) in a truncated cone shape is arranged in the first through hole (2), the conical surface (18) is contracted towards the inner end of the first through hole (2), and a conical head tightly matched with the conical surface (18) is arranged in the middle of the terminal (3).

6. The sealing structure of the controller terminal according to claim 1, wherein the terminal (6) is fixedly sleeved with a rubber sleeve (19), a second annular sunken table (20) is arranged in the second through hole (9), and the rubber sleeve (19) is fixedly clamped in the second annular sunken table (20).