CN218473620U

CN218473620U - Sealing plug with buckle for brushless cooling fan controller

Info

Publication number: CN218473620U
Application number: CN202222191195.5U
Authority: CN
Inventors: 龚雄杰; 邓福军; 杨萍华; 张鹏; 许战锋
Original assignee: Jiangsu Chaoli Electric Inc
Current assignee: Jiangsu Chaoli Electric Inc
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-02-10
Anticipated expiration: 2032-08-19

Abstract

The utility model discloses a sealing plug that is arranged in brushless cooling fan controller to take buckle belongs to brushless cooling fan controller casing sealing plug technical field. The sealing plug comprises a plug disc, a plug body and a plurality of buckles; the plug disc is fixedly connected to the top end of the plug body, and the plurality of buckles are fixedly connected to the bottom end of the plug body; follow the plug disc with the cock body axis runs through and has seted up the through-hole, pass the three-phase copper line that has connection director in the through-hole. The sealing plug is in a four-claw type horn mouth shape, is installed inwards from the inclined plane on the upper part of the shell, and is inwards shrunk when penetrating through the inner hole of the shell, and rebounds to a natural state under the action of self elastic force after passing through the shell, so that the four claws block the inside of the shell. The three-phase copper wire passes through the inner hole of the sealing plug, the three-phase copper wire and the sealing plug are in clearance fit, the single side of the clearance is 0.05mm, the copper wire can be guaranteed to pass through smoothly, and finally the double-component silicon sealant is poured into the concave pit groove in the shell to achieve the sealing effect.

Description

Sealing plug with buckle for brushless cooling fan controller

Technical Field

The utility model relates to a brushless cooling fan controller casing sealing plug technical field, in particular to a sealing plug that is arranged in brushless cooling fan controller to take buckle.

Background

The sealing mode between the three-phase copper line of present controller and casing is: the outer ring of the sealing plug of the silicon rubber is matched with the shell, the copper wire penetrates through the inner hole of the sealing plug, and then the sealing glue is poured into the groove of the concave pit of the shell.

The sealing mode has three disadvantages at the present stage; firstly, because the sealing plug and the casing of silicon rubber are interference fit, all the circles around are interference, the sealing plug is installed to the position that the casing set for more difficult, has greatly increased the degree of difficulty of workman's installation and the unable machine automation that realizes in later stage like this. The sealing plug and the copper wire are also in interference fit, so that the sealing plug is easily punctured and deformed when the three-phase copper wire passes through the inner hole of the sealing plug. And thirdly, the silicon rubber is softer, and particularly, after the sealing plug is aged, the copper wire is extruded and then is in contact with the shell to cause the risk of short circuit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing plug that is arranged in brushless cooling fan controller to take buckle through prefabricated sealing plug and controller casing joint, has reduced the installation degree of difficulty, and compares with the sealing plug of rubber, and life is longer, and the security is higher.

In order to solve the technical problem, the utility model provides a sealing plug with a buckle for a brushless cooling fan controller, which comprises a plug disc, a plug body and a plurality of buckles; the plug disc is fixedly connected to the top end of the plug body, and the plurality of buckles are fixedly connected to the bottom end of the plug body;

the plug disc and the plug body central axis penetrate through the plug body and are provided with through holes, and three-phase copper wires connected with a controller penetrate through the through holes.

Preferably, the plurality of buckles are arranged at the bottom end of the plug body at intervals of the same interval.

Preferably, the plurality of buckles are uniformly distributed at the bottom end of the plug body around the central axis of the plug body.

Preferably, the inner side of the catch is inclined outwardly from the central axis.

Preferably, the taper angle of the conical axial section formed by the inner sides of the plurality of the buckles is 44 degrees.

Preferably, the outer side of the catch is inclined outwardly from the central axis.

Preferably, the taper angle of the conical axial section formed by the outer sides of the plurality of the buckles is 70 degrees.

Preferably, the maximum diameter position outside the buckle is processed with a clamping plane, and the clamping plane is clamped with a shell of the controller.

Preferably, a plurality of die holes penetrate through the plug disc and are in the shape of a circular arc and are uniformly distributed around the central axis of the plug disc.

Preferably, the through holes are filled with silicon sealant to seal gaps between the three-phase copper wires and the through holes.

Compared with the prior art, the beneficial effects of the utility model are that:

this a sealing plug for taking buckle in brushless cooling fan controller is four-jaw formula horn mouth shape, from the inside installation of inclined plane on casing upper portion, and four-jaw formula horn mouth is inwards shrink when this sealing plug is in wearing the casing hole, through kick-backs to natural state behind the casing under the effect of self elastic force, thereby four claws block the inside of casing. Three-phase copper line is followed the sealing plug hole and is passed, and both are clearance fit, and the unilateral 0.05mm in clearance guarantees that the copper line can pass through smoothly, thereby pours into the sealed effect of sealed glue of bi-component silicon in the concave pit inslot of casing at last.

Drawings

Fig. 1 is a schematic structural diagram of a first view angle of a sealing plug with a buckle for a brushless cooling fan controller according to the present invention;

fig. 2 is a schematic structural diagram of a second view angle of a sealing plug with a buckle for a brushless cooling fan controller according to the present invention;

fig. 3 is a front view of a sealing plug with a buckle for a brushless cooling fan controller according to the present invention;

fig. 4 isbase:Sub>A cross-sectional view ofbase:Sub>A sealing plugbase:Sub>A-base:Sub>A withbase:Sub>A buckle for use inbase:Sub>A brushless cooling fan controller according to the present invention;

fig. 5 is a top view of a sealing plug with a snap in a controller for a brushless cooling fan according to the present invention;

FIG. 6 is a cross-sectional view of a sealing plug B-B with a snap in a controller for a brushless cooling fan according to the present invention;

fig. 7 is a schematic view of an installation structure of a sealing plug with a buckle for a brushless cooling fan controller according to the present invention;

fig. 8 is a process variation diagram of inward pressing of the snap of the sealing plug with snap in the controller of the brushless cooling fan according to the present invention.

In the figure: 1. a plug disc; 2. a plug body; 3. buckling; 4. a through hole; 5. discharging the mold hole; 301. clamping a plane; 100. a housing; 200. three-phase copper wire.

Detailed Description

The invention is described in further detail below with reference to the figures and the specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model provides a sealing plug with a buckle for a brushless cooling fan controller, please refer to fig. 1-3, which comprises a plug disc 1, a plug body 2 and a plurality of buckles 3; the plug disc 1 is fixedly connected to the top end of the plug body 2, and the plurality of buckles 3 are fixedly connected to the bottom end of the plug body 2; follow stopper disc 1 with 2 axis of cock body run through and have seted up through-hole 4, pass the three-phase copper line that has connection controller in the through-hole 4, it has sealed silica gel to fill in the through-hole 4, sealed three-phase copper line in gap between 4 through-holes.

Specifically, referring to fig. 1 to 6, the plurality of buckles 3 are arranged at the bottom end of the plug body 2 at intervals of the same interval, and the plurality of buckles 3 are uniformly arranged at the bottom end of the plug body 2 around the central axis of the plug body 2.

Specifically, the inner sides of the buckles 3 are inclined outwards from the central axis, the taper angle of the section of a conical shaft formed by the inner sides of the buckles 3 is 44 degrees, and when the buckles 3 are extruded inwards by external force, enough space can be compressed between every two adjacent buckles 3.

Specifically, the outer sides of the buckles 3 are inclined outwards from the central axis, and the taper angle of the section of the conical shaft formed by the outer sides of the buckles 3 is 70 degrees.

Specifically, a clamping plane 301 is processed at the maximum diameter position outside the buckle 3, and the clamping plane 301 is clamped with a shell of the controller.

Specifically, still run through on the cock disc 1 and seted up a plurality of dieholes 5, and a plurality of dieholes 5 are arc, wind the central axis evenly distributed of cock disc 1, because buckle 3's size is greater than the diameter of cock body 2 is nevertheless less than cock disc 1's diameter, set up dieholes 5 in the position that every buckle 3 corresponds vertical direction can be favorable to buckle 3's demolding, reduces the complexity of mould, reduce cost.

Example one

The utility model also provides a sealing plug that is arranged in brushless cooling fan controller area buckle, for four-jaw formula horn mouth shape, from the inclined plane inward mounting on casing 100 upper portion, four-jaw formula horn mouth is inwards shrunk when this sealing plug wears the casing hole, back taper angle and final interior round hole are diameter 5.5mm, the buckle extrudees the limit when the sealing plug passes diameter 5.5 mm's round hole at last, but do not interfere with each other, just so can ensure that the sealing plug can pass through casing 100 smoothly, when the sealing plug from the natural state to wearing the casing hole, the change process of buckle inward extrusion is as shown in figure 7, kick-back to the natural state under the effect of self elastic force behind the through casing, thereby four claws block the inside of casing 100; the three-phase copper wire 200 passes through the through hole of the sealing plug, the three-phase copper wire and the sealing plug are in clearance fit, the single side of the clearance is 0.05mm, the three-phase copper wire can smoothly pass through the through hole, and finally the double-component silicon sealant is poured into the concave groove in the shell to achieve the sealing effect, as shown in fig. 8.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. A sealing plug with a buckle for a brushless cooling fan controller is characterized by comprising a plug disc (1), a plug body (2) and a plurality of buckles (3);

the plug disc (1) is fixedly connected to the top end of the plug body (2), and the plurality of buckles (3) are fixedly connected to the bottom end of the plug body (2);

follow stopper dish (1) with through-hole (4) have been seted up in running through of cock body (2) axis, it has the three-phase copper line of connection controller to pass in through-hole (4).

2. A sealing plug with snap in for brushless cooling fan controller as claimed in claim 1, characterized in that a plurality of said snap in (3) are arranged at the same interval at the bottom of said plug body (2).

3. A sealing plug with snap in for brushless cooling fan controller as claimed in claim 2, characterized in that a plurality of said snap in (3) are evenly arranged around the central axis of the plug body (2) at the bottom end of the plug body (2).

4. A sealing plug with snap in for brushless cooling fan control as claimed in claim 3, characterized in that the inside of the snap (3) is inclined outwards from the central axis.

5. A sealing plug with a snap for a brushless cooling fan control as claimed in claim 4, characterized in that the cone angle of the conical axial section formed by the inside of a plurality of said snaps (3) is 44 degrees.

6. A sealing plug with snap in for brushless cooling fan controller as claimed in claim 3, characterized in that the outside of the snap (3) is inclined outwards from the central axis.

7. A sealing plug with a snap for a brushless cooling fan control as claimed in claim 6, characterized in that the taper angle of the conical axial section formed by the outside of a plurality of the snaps (3) is 70 degrees.

8. A sealing plug with a buckle for a brushless cooling fan controller as claimed in claim 7, wherein the maximum diameter of the outside of the buckle (3) is processed with a clamping plane (301), and the clamping plane (301) is clamped with the controller shell.

9. The sealing plug with the buckle for the brushless cooling fan controller according to claim 1, wherein a plurality of mold outlet holes (5) are further formed in the plug disc (1) in a penetrating manner, and the plurality of mold outlet holes (5) are arc-shaped and are uniformly distributed around the central axis of the plug disc (1).

10. The sealing plug with the buckle for the controller of the brushless cooling fan as claimed in claim 1, wherein the through hole (4) is filled with a silicon sealant to seal the gap between the three-phase copper wire and the through hole (4).