CN-224217738-U - Sensor terminal and sensor terminal injection mold structure

Abstract

The application discloses a sensor terminal and a sensor terminal injection mold structure, wherein the sensor terminal comprises a convex sensor shell and three connecting terminals which are parallel and extend in parallel, the root of each connecting terminal is provided with an arc-shaped bulge, one end of each connecting terminal, which is relatively far away from the root, is an inner side end, limiting bosses are symmetrically arranged on two sides of each connecting terminal, which are close to the inner side end and are positioned in the extending direction, short-circuit prevention gaps are formed between the limiting bosses on adjacent connecting terminals, and a guide channel matched with a connector injection mold is formed between the adjacent connecting terminals so as to guide the connecting terminals when the connecting terminals are inserted into the connector injection mold, and the connector injection mold can be abutted to the limiting bosses to finish injection molding calibration. The sensor terminal and the sensor terminal injection mold structure provided by the application can meet the quality requirement of the injection molding length of the sensor terminal, and improve the inserting work efficiency.

Inventors

• YANG YANG
• LIN SHENGJUN
• LI MING

Assignees

• 驭芯科技（上海）有限公司

Dates

Publication Date

20260508

Application Date

20250604

Claims (6)

1. 1. The sensor terminal is characterized by comprising a convex sensor shell and three connecting terminals which extend in parallel, wherein arc-shaped protrusions are arranged at the root parts of the connecting terminals, one ends, which are relatively far away from the root parts, of the connecting terminals are inner ends, limiting bosses are symmetrically arranged on two sides, which are close to the inner ends, of the connecting terminals in the extending direction, short-circuit prevention gaps are formed between the limiting bosses, and the adjacent connecting terminals form guide channels matched with a connector injection mold, so that the connecting terminals are guided when being inserted into the connector injection mold, the connector injection mold can be abutted to the limiting bosses, and injection molding calibration is completed.
2. 2. The sensor terminal of claim 1, wherein the limit bosses are square bosses, all of which have the same height in the extending direction.
3. 3. The sensor terminal according to claim 1, wherein a portion of the connection terminal outside the limit boss is defined as a mating portion, the mating portion is composed of a guide portion near an outer side and a standard portion near an inner side, wherein a cross section of the standard portion is square, a cross section of the guide portion is isosceles trapezoid, and a slope of a waist of the guide portion is 2.50% -3.60%.
4. 4. The sensor terminal injection mold structure is characterized by comprising a connector injection mold and the sensor terminal according to claim 3, wherein the connector injection mold comprises a mold body, the mold body is provided with mold bosses matched with the positions of the matching parts of the guide channels, a clearance channel is formed between every two adjacent mold bosses, and notches matched with the connecting terminal and flush with the bottoms of the clearance channel are formed on two sides of the mold bosses.
5. 5. The sensor terminal injection mold structure of claim 4, wherein the mating portion has a length that is less than a length of the mold boss such that there is a gap between the connection terminal and a bottom of the clearance channel when the sensor terminal is inserted into the connector injection mold in place.
6. 6. The sensor terminal injection mold structure of claim 5, wherein the void is 0.8mm to 1.2mm.

Description

Sensor terminal and sensor terminal injection mold structure Technical Field The utility model relates to the technical field of sensor equipment, in particular to a sensor terminal and an injection mold structure of the sensor terminal. Background The male end connector terminal of the sensor is commonly provided with two pins, three pins or a plurality of pins, and is generally developed in a matching way according to the standard part model of the female end and injection molded. The size of the matched terminal is designed, the sensor bracket is formed by injection molding in a mold after stamping forming, one end of the bracket is connected with a chip or PCBA, and the other end of the bracket is used as the male end of the sensor and is inserted with a female end connector. The terminal size of the sensor often uses the standard component of the matched female end as a design reference to achieve the aim of good contact to the plug. In the prior art, the sensor is matched with the female end connector for use, when the connector is subjected to secondary injection molding, the sensor terminal is not easy to insert into an insert hole of a die, the terminal length is not easy to control, and the terminal deformation and poor size are easy to cause. Disclosure of utility model The embodiment of the application provides a sensor terminal and a sensor terminal injection mold structure, which can facilitate quick insertion and positioning between the sensor terminal and a connector injection mold through a limiting boss and a guide channel, can meet the size requirement of the sensor terminal, can improve the working efficiency, and reduces the risk of insertion quality. The first aspect of the embodiment of the application provides a sensor terminal, which comprises a convex sensor shell and three connecting terminals which extend in parallel and in parallel, wherein the root parts of the connecting terminals are provided with arc-shaped bulges, one ends of the connecting terminals, which are relatively far away from the root parts, are inner side ends, limiting bosses are symmetrically arranged on two sides of the connecting terminals, which are close to the inner side ends and are in the extending direction, short-circuit prevention gaps are arranged between the limiting bosses on adjacent connecting terminals, guide channels matched with a connector injection mold are formed between the adjacent connecting terminals, so that the connecting terminals are guided when being inserted into the connector injection mold, and the connector injection mold can be abutted to the limiting bosses to finish injection molding. In one possible implementation, the limit bosses are square bosses, and all the limit bosses have the same height in the extending direction. In one possible implementation manner, a portion, outside the limiting boss, of the connecting terminal is defined as a matching portion, the matching portion is composed of a guiding portion close to the outer side and a standard portion close to the inner side, the cross section of the standard portion is square, the cross section of the guiding portion is isosceles trapezoid, and the slope of the waist of the guiding portion is 2.50% -3.60%. The second aspect of the embodiment of the application provides a sensor terminal injection mold structure, which comprises a connector injection mold and the sensor terminal, wherein the connector injection mold comprises a mold body, the mold body is provided with a mold boss matched with the position of the matching part of the guide channel, a clearance channel is formed between adjacent mold bosses, and the mold body is provided with notches matched with the connecting terminal and flush with the bottom of the clearance channel at two sides of the mold boss. In one possible implementation, the length of the mating portion is less than the length of the mold boss such that there is a gap between the connection terminal and the bottom of the clearance channel when the sensor terminal is inserted into the connector injection mold in place. In one possible implementation, the gap is 0.8mm to 1.2mm. Compared with the prior art, the sensor terminal and the sensor terminal injection mold structure have the advantages that the limiting boss is arranged on the connecting terminal, so that the limit can be formed when the sensor terminal and the connector injection mold are inserted, the length of the sensor terminal inserted into the connector injection mold can be effectively controlled in the injection molding process, in addition, the sensor terminal and the connector injection mold can be fast inserted into place through the guide channel formed between the adjacent connecting terminals, and the working efficiency is high; The guide part on the matching part is designed with a certain slope, so that a certain guide slope is formed on the outer side of the guide channel, and the guide effect is better; The length of