CN216055247U

CN216055247U - Multilayer injection molding valve body circuit board structure

Info

Publication number: CN216055247U
Application number: CN202122500153.0U
Authority: CN
Inventors: 吴明泽
Original assignee: Wuhan Clip Electronic Co ltd
Current assignee: Wuhan Clip Electronic Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-03-15
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a multilayer injection molding valve body circuit board structure, which comprises an upper layer hardware and a lower layer hardware, wherein one side of the upper layer hardware is fixedly connected with a negative terminal, one end of the other side of the upper layer hardware is fixedly connected with a pressure terminal and a temperature terminal, the outer side of the upper layer hardware is fixedly connected with an upper injection molding layer, one side of the lower layer hardware is fixedly connected with a positive terminal, one end of the other side of the lower layer hardware is fixedly connected with a motor PIN, the outer side of the lower layer hardware is fixedly connected with a lower injection molding layer, and the outer sides of the upper layer hardware, the lower layer hardware, the upper injection molding layer and the lower injection molding layer are fixedly connected with a total injection molding layer. Prevent that engine vibration plastic fracture risk from leading to the sensing inefficacy.

Description

Multilayer injection molding valve body circuit board structure

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a circuit board structure of a multilayer injection molding valve body.

Background

In order to monitor the working state of the engine in real time, sensors of different types are arranged outside an engine cylinder, the sensors inside and outside the engine cylinder are usually connected by a wire harness, and the connection mode is complex in connection, low in assembly efficiency, easy to damage and inconvenient to maintain. Therefore, a circuit board structure capable of replacing the traditional wiring harness to connect complicated schemes is needed, and terminals are neatly arranged and injected to form a whole convenient, fast and stable circuit board structure for realizing sensing connection between the inside of the engine and the outside of the cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a circuit board structure of a multilayer injection molding valve body, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a multilayer valve body circuit board structure of moulding plastics, includes upper hardware and lower floor's hardware, upper hardware one side fixedly connected with negative terminal, opposite side one end fixedly connected with pressure terminal, other end fixedly connected with temperature terminal, the layer of moulding plastics on the upper hardware outside fixedly connected with, lower floor's hardware one side fixedly connected with positive terminal, lower floor's hardware opposite side one end fixedly connected with motor PIN, the layer of moulding plastics under the lower floor's hardware outside fixedly connected with, upper hardware, lower floor's hardware, the layer of moulding plastics on, all be provided with the through-hole of moulding plastics on the layer of moulding plastics down, upper hardware, lower floor's hardware, on mould plastics the layer, the layer of moulding plastics outside fixedly connected with of layer of moulding plastics always, it has public end plug-in components to mould plastics layer one end shaping always.

As a further scheme of the utility model: the negative terminal is connected with the external electromagnetic valve in a mutually matched mode, seven negative terminals are arranged, the pressure terminals are connected with the external pressure sensor in a mutually matched mode, three pressure terminals are arranged, the temperature terminals are connected with the external temperature sensor in a mutually matched mode, and two temperature terminals are arranged.

As a still further scheme of the utility model: negative pole terminal, pressure terminal, temperature terminal and upper hardware are an organic whole and form, and negative pole terminal, pressure terminal, temperature terminal all are the M form, and negative pole terminal, pressure terminal, temperature terminal one end all are provided with the injection molding locating hole.

As a still further scheme of the utility model: go up a plurality of assembly reference columns of layer bottom fixedly connected with of moulding plastics, the assembly reference column forms with last injection moulding layer as an organic whole injection moulding, is provided with the assembly locating hole that corresponds with the assembly reference column on the layer of moulding plastics down.

As a still further scheme of the utility model: anodal terminal, motor PIN and lower floor's hardware are an organic whole and form, and anodal terminal is connected with the positive pole of external solenoid valve are mutually joined in marriage, and anodal terminal is provided with seven, and anodal terminal is M form, and anodal terminal one end is provided with down moulds the locating hole.

As a still further scheme of the utility model: and a T-shaped steel sleeve is fixedly connected in the edge part of the total injection molding layer.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is different from the traditional complex wiring harness connection scheme, the terminals are orderly arranged and injected to form an integral, convenient, fast and stable structure for realizing sensing connection between the inside and the outside of the cylinder of the engine, the structure is convenient to replace and maintain due to the adoption of an integral circuit board structure, the use is more convenient, accurate positioning is convenient to carry out when upper-layer hardware and lower-layer hardware are assembled through the arranged assembly positioning columns and the assembly positioning holes so as to ensure the product precision, the bearing capacity of the circuit board is increased through the arranged T-shaped steel sleeve, the sensing failure caused by the breakage risk of engine vibration plastic is prevented, the stability of the circuit board is better, the service life is longer, and the connection between the male end plug-in unit and the mutual female end and the control system outside the cylinder is convenient and fast.

Drawings

FIG. 1 is a schematic view of a circuit board structure of a multi-layer injection molded valve body.

Fig. 2 is a schematic sectional view of a circuit board structure of a multi-layer injection molding valve body.

FIG. 3 is an enlarged schematic view of a circuit board structure A of a multi-layer injection molded valve body.

FIG. 4 is an enlarged structural diagram of the upper injection molding positioning hole in the multi-layer injection molding valve body circuit board structure.

FIG. 5 is a schematic diagram of an enlarged structure of a lower injection positioning hole in a circuit board structure of a multi-layer injection valve body.

In the figure: the high-voltage direct current injection molding device comprises an upper-layer hardware 1, a lower-layer hardware 2, a negative terminal 3, a pressure terminal 4, a temperature terminal 5, an upper injection molding positioning hole 6, an upper injection molding layer 7, an assembly positioning column 8, a positive terminal 9, a lower injection molding positioning hole 10, a motor PIN11, a lower injection molding layer 12, an assembly positioning hole 13, an injection molding through hole 14, a total injection molding layer 15, a T-shaped steel sleeve 16 and a male end plug-in 17.

Detailed Description

The technical solution 0 in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not a whole embodiment. 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.

Referring to fig. 1 to 5, in the embodiment of the present invention, a multilayer injection molding valve body circuit board structure includes an upper layer hardware 1 and a lower layer hardware 2, one side of the upper layer hardware 1 is fixedly connected with a negative terminal 3, the negative terminal 3 is connected with a negative electrode of an external electromagnetic valve in a matching manner, seven negative terminals 3 are provided, one end of the other side is fixedly connected with a pressure terminal 4, the pressure terminals 4 are connected with an external pressure sensor in a matching manner, three pressure terminals 4 are provided, the other end is fixedly connected with a temperature terminal 5, the temperature terminal 5 is connected with an external temperature sensor in a matching manner, two temperature terminals 5 are provided, the negative terminal 3, the pressure terminal 4 and the temperature terminal 5 are formed integrally with the upper layer hardware 1, the negative terminal 3, the pressure terminal 4 and the temperature terminal 5 are all M-shaped, one end of the negative terminal 3, the pressure terminal 4 and the temperature terminal 5 is provided with an upper injection molding positioning hole 6, injection layer 7 on the fixedly connected with in the upper hardware 1 outside, go up 7 bottom fixedly connected with a plurality of assembly reference columns 8 on the layer of moulding plastics, assembly reference column 8 and last injection layer 7 of moulding plastics as an organic whole and form.

2 one side fixedly connected with positive terminal 9 of lower floor's hardware, positive terminal 9 is connected with the positive mutual cooperation of outside solenoid valve, positive terminal 9 is provided with seven, positive terminal 9 is the M form, positive terminal 9 one end is provided with down

moulds locating hole

10, 2 opposite side one end fixedly connected with motor PIN11 of lower floor's hardware, layer 12 of moulding plastics under the 2 outside fixedly connected with of lower floor's hardware, be provided with the assembly locating hole 13 that corresponds with assembly reference column 8 on the layer 12 of moulding plastics down, carry out accurate location when being convenient for assemble upper hardware 1 and lower floor's hardware 2, in order to guarantee the product precision.

Upper hardware 1, lower floor's hardware 2, go up injection layer 7, all be provided with the through-hole 14 of moulding plastics on the layer 12 of moulding plastics down, upper hardware 1, lower floor's hardware 2, go up injection layer 7, layer 12 outside fixedly connected with of moulding plastics down always moulds plastics layer 15, the layer 15 limit portion internal fixedly connected with T shaped steel cover 16 of moulding plastics always, the bearing capacity of circuit board has been increased, prevent that the engine vibration plastic risk of breaking from leading to the sensing to become invalid, make the stability of circuit board better, long service life, layer 15 one end shaping of moulding plastics always has public end plug-in components 17, be used for and each other join in marriage the outer control system of female end connecting cylinder, connect convenient and fast.

The production process of the utility model is as follows: firstly, a lower layer hardware 2 subjected to stamping forming is subjected to primary plastic coating forming, a lower injection layer 12 is subjected to primary plastic coating forming, after the primary plastic coating of the lower layer hardware 2 is completed, a connecting belt and a reinforcing rib between pins are cut off by stamping, then an upper layer hardware 1 subjected to primary stamping forming is subjected to primary plastic coating forming, an upper injection layer 7 is subjected to primary plastic coating forming, after the primary plastic coating of the upper layer hardware 1, a connecting belt and a reinforcing rib between the pins are cut off by stamping, then the upper layer hardware 1 and the lower layer hardware 2 subjected to plastic coating forming are positioned, superposed and assembled through an assembly positioning column 8 and an assembly positioning hole 13, and are combined together, then a workpiece subjected to superposed assembly is positioned and fixed with a mold through an injection through hole 14, a T-shaped steel sleeve and a mold positioning fixing ring are positioned, and the final plastic injection is carried out, and a multilayer injection valve body circuit board can be formed.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a valve body circuit board structure is moulded plastics to multilayer, includes upper hardware (1) and lower floor's hardware (2), a serial communication port, upper hardware (1) one side fixedly connected with negative terminal (3), opposite side one end fixedly connected with pressure terminal (4), other end fixedly connected with temperature terminal (5), upper hardware (1) outside fixedly connected with on mould plastics layer (7), lower floor's hardware (2) one side fixedly connected with anodal terminal (9), lower floor's hardware (2) opposite side one end fixedly connected with motor PIN (11), lower floor's hardware (2) outside fixedly connected with down mould plastics layer (12), all be provided with on upper hardware (1), lower floor's hardware (2), on mould plastics layer (7), down mould and mould through-hole (14), upper hardware (1), lower floor's hardware (2), The outer sides of the upper injection molding layer (7) and the lower injection molding layer (12) are fixedly connected with a total injection molding layer (15), and a male end plug-in (17) is formed at one end of the total injection molding layer (15).

2. A multi-layer injection-molded valve body circuit board structure as claimed in claim 1, wherein the negative terminal (3) is connected with the negative pole of the external electromagnetic valve in a matching way, seven negative terminals (3) are provided, the pressure terminal (4) is connected with the external pressure sensor in a matching way, three pressure terminals (4) are provided, the temperature terminal (5) is connected with the external temperature sensor in a matching way, and two temperature terminals (5) are provided.

3. A multilayer injection molding valve body circuit board structure according to claim 1, wherein the negative terminal (3), the pressure terminal (4), the temperature terminal (5) and the upper hardware (1) are all formed integrally, the negative terminal (3), the pressure terminal (4) and the temperature terminal (5) are all M-shaped, and one end of the negative terminal (3), one end of the pressure terminal (4) and one end of the temperature terminal (5) are provided with an upper injection molding positioning hole (6).

4. A multi-layer injection molding valve body circuit board structure according to claim 1, wherein a plurality of assembling positioning columns (8) are fixedly connected to the bottom of the upper injection molding layer (7), the assembling positioning columns (8) and the upper injection molding layer (7) are integrally injection molded, and the lower injection molding layer (12) is provided with assembling positioning holes (13) corresponding to the assembling positioning columns (8).

5. A multilayer injection molding valve body circuit board structure according to claim 1, characterized in that the positive terminal (9), the motor PIN (11) and the lower hardware (2) are all integrated, the positive terminal (9) is connected with the positive pole of an external electromagnetic valve in a matching way, seven positive terminals (9) are arranged, the positive terminal (9) is M-shaped, and one end of the positive terminal (9) is provided with a lower injection molding positioning hole (10).

6. A multi-layer injection-molded valve body circuit board structure according to claim 1, characterized in that a T-shaped steel sleeve (16) is fixedly connected in the edge part of the main injection-molded layer (15).