CN215421239U - Controller seal structure and controller - Google Patents

Abstract

The utility model discloses a controller sealing structure and a controller, wherein the controller sealing structure comprises a motor cover and a heat dissipation cover covering the motor cover, a dispensing groove is formed in the periphery of the outer side of the upper end face of the motor cover in a surrounding mode, a sealing convex strip inserted into the dispensing groove is formed in the periphery of the outer side of the lower end face of the heat dissipation cover in a surrounding mode, and sealing glue is filled between the sealing convex strip and the dispensing groove. According to the utility model, the glue dispensing groove, the sealing raised line and the sealant are arranged to cooperate to form the sealing structure between the motor cover and the heat dissipation cover, so that the processing cost of the sealing surface can be saved, and a plurality of surfaces only need to be sealed once, so that the product size is reduced, and the design space is saved.

Description

Controller seal structure and controller

Technical Field

The utility model belongs to the field of controllers for automobile water pumps, oil pumps and the like, and particularly relates to a controller sealing structure and a controller.

Background

At present, the controller in the industry is assembled outside water pump, oil pump basically, and the PCBA board that the controller was used is generally protected by plastic casing seal ring and is sealed, can satisfy IP 69's protection level, and the sealing washer is higher to the size requirement, and is higher to sealed face roughness requirement, leads to processing cost and material cost to high to adopt the sealing washer can only seal same face, can't accomplish to seal simultaneously a plurality of complicated faces.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a controller sealing structure, a sealing structure between a motor cover and a heat dissipation cover is formed by matching a glue dispensing groove, a sealing raised line and a sealant, the processing cost of a sealing surface can be saved, a plurality of surfaces only need to be sealed once, the product size is reduced, and the design space is saved.

In order to solve the technical problem, the utility model provides a controller sealing structure which comprises a motor cover and a heat dissipation cover covering the motor cover, wherein a dispensing groove is formed in the periphery of the outer side of the upper end face of the motor cover in a surrounding mode, a sealing convex strip inserted into the dispensing groove is formed in the periphery of the outer side of the lower end face of the heat dissipation cover in a surrounding mode, and sealing glue is filled between the sealing convex strip and the dispensing groove.

Furthermore, a gap for filling the sealant is arranged between the sealing convex strip and the dispensing slot.

Furthermore, a first rib and a second rib are respectively formed on the inner side and the outer side of the glue dispensing groove, and the height of the first rib is lower than that of the second rib, so that a gap exists between the end face of the first rib and the end face of the heat dissipation cover.

Further, the controller seal structure further comprises a connector, and one end of the connector is clamped and sealed between the motor cover and the heat dissipation cover.

Furthermore, a transition groove which is in continuous transition with the glue dispensing groove is concavely arranged on the connector, and the sealant is arranged between the sealing convex strip and the transition groove.

Further, the one end of motor lid is equipped with the joint mouth, the medial extremity of connector be equipped with the draw-in groove of joint mouth block, just the internal surface of draw-in groove with the motor lid terminal surface butt of joint mouth both sides.

Furthermore, at least two positioning columns are convexly arranged at the inner side end of the connector.

Furthermore, a plurality of connecting pieces for plugging are arranged in the connector, and one ends of the connecting pieces extend out of the inner side end of the connector and are vertically arranged to form plugging pins.

Furthermore, the heat dissipation cover is fixed on the motor cover through screws.

The utility model also provides a controller, which comprises the controller sealing structure and a PCBA board accommodated between the motor cover and the heat dissipation cover, wherein the PCBA board is electrically connected with the connector.

Furthermore, the PCBA board is provided with a positioning hole at a position corresponding to the positioning column.

Furthermore, the PCBA board is provided with inserting holes at positions corresponding to the inserting pins.

The utility model has the following beneficial effects:

the sealing structure between the motor cover and the heat dissipation cover is formed by matching the glue dispensing groove, the sealing raised line and the sealant, so that the requirement on the surface roughness of the sealing groove of the motor cover is low, secondary processing is not needed, the processing cost of the sealing surface can be saved, the sealing effect of the sealant is less influenced by the size and the shape, the sealing effect is better, a plurality of surfaces only need to be sealed by one step, the size of a product is reduced, and the design space is saved; when the sealant dispensing device is used, the sealant is filled in the sealant dispensing groove, the heat dissipation cover is covered afterwards, the sealing convex strips are inserted into the sealant dispensing groove and extrude the sealant, the sealing convex strips and the sealant which is not dried are in sealed close contact, and then the sealant is dried.

A gap is formed between the first flange on the inner side of the dispensing groove and the heat dissipation cover, so that the sealing convex strips can conveniently flow inwards by utilizing the gap when extruding the sealing glue downwards, the sealing glue is prevented from overflowing outwards to influence the appearance, and post-treatment such as glue removal and the like is required; in addition, the connector is clamped and fixed between the heat dissipation cover and the motor cover in a clamping mode, the connector does not need to be locked and fixed by any screw independently, the heat dissipation cover and the connector are sealed by sealant, the connector does not need to be additionally sealed by a sealing ring, and cost is saved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model:

FIG. 1 is a schematic diagram of a controller according to an embodiment;

FIG. 2 is a schematic cross-sectional view of a controller according to an embodiment;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is a diagram illustrating the controller with the heat dissipation cover removed according to an embodiment;

FIG. 5 is a schematic view of an embodiment of a heat dissipation cover;

FIG. 6 is a schematic view of a connector according to an embodiment;

FIG. 7 is a schematic view of a PCBA board in example 2.

Detailed Description

For a fuller understanding of the technical content of the present invention, reference should be made to the following detailed description taken together with the accompanying drawings.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 6, the controller sealing structure shown in this embodiment includes a motor cover 1, a heat dissipation cover 2 covering the motor cover 1, and a connector 3 having one end sealed between the motor cover 1 and the heat dissipation cover 2 by a snap-fit manner, the motor cover 1 is configured to be installed at a tail portion of a motor to seal the motor, the heat dissipation cover 2 is located at an outer side of the motor cover 1, a cavity 10 for accommodating a PCBA board 4 is disposed between the motor cover 1 and the heat dissipation cover 2, a dispensing groove 11 is circumferentially disposed outside an outer end surface of the outer side of the motor cover 1, a transition groove 31 continuously transiting to the dispensing groove 11 is concavely disposed at an inner side end of the connector 3, a continuous ring groove is formed by the dispensing groove 11 and the transition groove 31, a sealing protrusion 21 inserted into the dispensing groove and the transition groove 31 is circumferentially disposed on an outer periphery of an inner side surface of the heat dissipation cover 2, that is the sealing protrusion 21 is continuous ring-shaped like the ring groove, and the sealant (not shown) is filled between the sealing convex strip 21 and the dispensing slot 11 and the transition slot 31.

In the above, the glue dispensing groove, the sealing raised line and the sealant are arranged to cooperate to form the sealing structure between the motor cover and the heat dissipation cover, so that the requirement on the surface roughness of the sealing groove of the motor cover is low, secondary processing is not needed, the processing cost of the sealing surface can be saved, the sealing effect of the sealant is less affected by the size and the shape, the sealing effect is better, a plurality of surfaces are sealed by only one sealing step, the size of a product is reduced, and the design space is saved; when the sealant dispensing device is used, firstly, sealant is filled in the sealant dispensing groove, then the radiating cover is covered, the sealing convex strips are inserted into the sealant dispensing groove and extrude the sealant, the sealing convex strips and the sealant which is not dried are in sealed close contact, and then the sealant is dried; in addition, the connector is clamped and fixed between the heat dissipation cover and the motor cover in a sealing clamping mode, the connector does not need to be locked and fixed by any screw independently, the heat dissipation cover and the connector are sealed by the sealant in the transition groove, the connector does not need to be additionally sealed by a sealing ring, and cost is saved.

In this embodiment, a gap 12 for filling the sealant is provided between the sealing protruding strip 21 and the dispensing slot 11, so that a proper amount of sealant can be filled between the motor cover and the sealing cover; specifically, the size of sealed sand grip 21 is less than the size of point gluey groove, makes to form the clearance 12 of U font between the surface of sealed sand grip and the internal surface of point gluey groove, ensures sealed gluey abundant contact with sealed sand grip 21 surface, and the area of contact is guaranteed to the maximize, has improved sealed effect.

Specifically, a first rib 111 and a second rib 112 are respectively formed on the inner side and the outer side of the dispensing slot 11, and the height of the first rib 111 is lower than that of the second rib 112, so that a gap 13 exists between the end surface of the first rib 111 and the end surface of the inner side of the heat dissipation cover 2; through being formed with the space between the inboard first flange of point gluey groove and the heat dissipation lid, utilize this space to flow inwards when conveniently sealing the sealed glue of sand grip downward extrusion, avoid sealed glue outwards to spill over and influence pleasing to the eye and need remove aftertreatment such as glue.

Specifically, one end of the motor cover 1 is provided with a clamping port 14, the inner side end of the connector 3 is provided with a clamping groove 32 clamped with two sides of the clamping port 14, and the inner surface of the clamping groove 32 is abutted to the end faces of the motor covers on two sides of the clamping port 14 to form close contact so as to ensure sealing performance.

Specifically, two positioning columns 33 are convexly arranged at the inner side end of the connector 3 and used for positioning and assembling with an internal PCBA board; a plurality of connectors for plugging are arranged in the connector 3, one ends of the connectors extend out of the inner side end of the connector and are vertically arranged to form plugging pins 34 for plugging with an internal PCBA (printed Circuit Board Assembly) to realize the electrical connection between the connector and the PCBA.

In a specific embodiment, the heat dissipation cover 2 is fixed on the motor cover 1 by a plurality of screws; during the equipment, after cooling cover 2 was paid through the screw lock, cooling cover 2 contacted and compressed tightly the fixed connector with connector 3, and connector 3 is pressed from both sides tightly and is fixed between cooling cover 2 and motor cover 1 like this, and connector 3 need not to pay fixedly with any screw lock alone again, also need not to seal with the sealing washer in addition, saves the cost.

In one embodiment, the heat sink cover 2 has a plurality of heat sink fins 22 on its outer surface.

In other embodiments, the sealant may be an epoxy potting sealant or other adhesives that can also perform the sealing function.

Example 2

As shown in fig. 1 to 6, the present embodiment provides a controller, which includes the controller sealing structure according to embodiment 1, and further includes a PCBA board 4 accommodated between the motor cover 1 and the heat dissipation cover 2, the PCBA board 4 is fixed on the motor cover 1 by screws, and the PCBA board 4 is electrically connected to the connector 3; the PCBA board between the motor cover and the heat dissipation cover is protected through the controller sealing structure.

Specifically, the PCBA 4 is provided with a positioning hole 41 at a position corresponding to the positioning column 33, so that the PCBA and the connector can be conveniently positioned and assembled; the PCBA board 4 is provided with plug holes 42 at positions corresponding to the plug pins 34, so that the plug pins can be inserted into the plug holes, and the plug pins are welded on the PCBA board, thereby realizing the electric connection between the PCBA board and the connector.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.

Claims (10)

1. The utility model provides a controller seal structure, its characterized in that fits the heat dissipation lid that the motor was covered including motor lid and lid, the upper end off-plate periphery of motor lid is equipped with some glue grooves, the lower extreme off-plate periphery of heat dissipation lid is equipped with the sealed sand grip that inserts some glue grooves, just it has sealed glue to fill between sealed sand grip and the some glue grooves.

2. The controller sealing structure according to claim 1, wherein a gap for filling said sealant is provided between said sealing rib and said dispensing groove.

3. The controller sealing structure according to claim 2, wherein a first rib and a second rib are formed on the inner side and the outer side of the dispensing groove, respectively, and the height of the first rib is lower than that of the second rib, so that a gap exists between the end surface of the first rib and the end surface of the heat dissipation cover.

4. The controller sealing structure according to any one of claims 1 to 3, further comprising a connector, one end of which is engaged and sealingly provided between the motor cover and the heat dissipation cover.

5. The controller sealing structure of claim 4, wherein a transition groove continuously transits to the dispensing groove is concavely formed on the connector, and the sealant is disposed between the sealing rib and the transition groove.

6. The controller sealing structure according to claim 5, wherein a clamping port is provided at one end of the motor cover, a clamping groove for clamping with the clamping port is provided at an inner end of the connector, and an inner surface of the clamping groove abuts against end surfaces of the motor cover on both sides of the clamping port.

7. The controller sealing arrangement of claim 6, wherein said connector inner end projection is provided with at least two locating posts.

8. The controller sealing structure of claim 7, wherein a plurality of connectors for plugging are arranged in the connector, and one end of each connector extends out of the inner end of the connector and is vertically arranged to form a plugging pin.

9. The controller sealing structure of claim 8, wherein said heat-radiating cover is fixed to said motor cover by screws.

10. A controller including a controller seal arrangement according to any of claims 4 to 9, further comprising a PCBA board housed between the motor cover and the heat sink cover, the PCBA board being electrically connected to the connector.

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