Connector and connection assembly

Abstract

The utility model discloses a kind of connector and the connecting assembly comprising the connector and matching connector of the described connector. The connector is used to be electrically connected with matching connector, the connector includes: first shell, for fixedly installed to circuit board;Second shell, for movably installed to first shell and including for making matching connector insert into port;And terminal, be installed in first shell and second shell, the terminal includes: first base, fixed in the first shell;First connecting arm, from first base to be electrically connected with circuit board to stretch out;Second base, fixed in second shell;And second connecting arm, from second base to the direction of deviating first base to stretch out to be electrically connected with the matching terminal of matching connector.

Description

Technical Field

[0001] This utility model relates to the field of mechanical and electronic engineering, and more specifically to a connector and a connection component. Background Technology

[0002] Electrical connectors are devices used to connect two active devices to transmit current or signals. They simplify the assembly and mass production processes of electronic products. Electrical connectors are easy to maintain; if an electronic component fails, it can be quickly replaced if a connector is installed. With technological advancements, electronic products equipped with electrical connectors can have their electronic components updated, replacing older, higher-performance components, facilitating upgrades. Furthermore, electrical connectors enhance the flexibility of product design when designing and integrating new products and when assembling systems from electronic components. Therefore, electrical connectors are widely used in transportation, medical, aerospace, military, and home appliance industries.

[0003] The basic performance of electrical connectors can be divided into three categories: mechanical performance, electrical performance, and environmental performance.

[0004] Insertion and extraction force and mechanical life are important mechanical properties. The insertion and extraction force and mechanical life of an electrical connector are related to the contact structure (magnitude of normal force), the quality of the plating on the contact parts (coefficient of sliding friction), and the dimensional accuracy of the contact arrangement (alignment).

[0005] The main electrical properties of electrical connectors include contact resistance, insulation resistance, and dielectric strength. High-quality electrical connectors should have low and stable contact resistance, ranging from a few milliohms to tens of milliohms. Insulation resistance measures the insulation performance between the contacts and between the contacts and the shell, ranging in the order of hundreds to thousands of megohms. Dielectric strength characterizes the ability of an electrical connector to withstand the rated test voltage between its contacts or between the contacts and the shell.

[0006] Environmental performance includes temperature resistance, humidity resistance, salt spray resistance, vibration and shock resistance, etc.

[0007] The development of electrical connector technology exhibits the following characteristics: high-speed and digital signal transmission, integration of various signal transmission methods, miniaturization of product size, low cost of products, modularization, and ease of insertion and removal, etc.

[0008] Currently, motors, pumps, or valves are typically connected to the main control board using wiring harnesses. Many manufacturers now need to replace this wiring harness connection with connectors to connect the motors, pumps, or valves to the main control board. However, due to manufacturing tolerances between the connectors and the mating connectors used for the motors, pumps, or valves, unstable or poor electrical contact is formed between the connectors and the mating connectors.

[0009] Therefore, there is an urgent need to provide a connector that can eliminate the effects of manufacturing tolerances to form stable or good electrical contacts. Utility Model Content

[0010] In view of the above problems, the present invention provides a connector for electrical connection with a mating connector. The connector includes: a first housing for fixedly mounting on a circuit board; a second housing for movably mounting on the first housing and including a port for inserting a mating connector therein; and terminals mounted in the first and second housings. The terminals include: a first base fixed in the first housing; a first connecting arm extending from the first base for electrical connection with the circuit board; a second base fixed in the second housing; and a second connecting arm extending from the second base in a direction away from the first base for electrical connection with the mating terminal of the mating connector.

[0011] According to one aspect of the present invention, the first housing includes: a first bottom wall fixedly mounted on a circuit board and a first side wall disposed circumferentially along the first bottom wall, the first side wall being provided with a connecting groove, and a first base being fixed in the first bottom wall; and the second housing includes: a receiving portion for receiving a second base of a terminal therein; and a second side wall surrounding the receiving portion circumferentially and provided with an elastic arm, the free end of the elastic arm being provided with a protrusion capable of being inserted into the connecting groove, so as to mount the second housing onto the first housing.

[0012] According to one aspect of the present invention, the second sidewall is configured to be surrounded by and spaced apart from the first sidewall after the second housing is mounted onto the first housing, and the protrusion is configured to be spaced apart from the sidewall of the connecting groove after being inserted into the connecting groove, such that the second housing can move relative to the first housing on the first bottom wall.

[0013] According to one aspect of the present invention, the second housing further includes: a second bottom wall connected between the receiving portion and the second side wall and abutting against the first bottom wall, the second bottom wall being provided with a through hole formed between the free end of the elastic arm and the receiving portion to facilitate the free end moving toward the receiving portion.

[0014] According to one aspect of the present invention, the second sidewall is spaced apart from the receiving portion, such that a mating connector can be inserted between the second sidewall and the receiving portion to form an electrical connection between the terminal and the mating terminal.

[0015] According to one aspect of the present invention, the receiving portion includes: a receiving channel for receiving a mating terminal inserted therein, and receiving grooves for receiving a second connecting arm are provided on two opposite side walls of the receiving channel, such that the mating terminal is clamped between two opposite second connecting arms.

[0016] According to one aspect of the present invention, the first bottom wall is provided with a first fixing groove, and the first base is fixed in the first fixing groove; and the receiving portion is provided with a second fixing groove at one end of the receiving channel facing the first bottom wall, and the second base is fixed in the second fixing groove.

[0017] According to one aspect of the present invention, the first base is provided with a first protruding ridge on its opposite sides that interferes with the sidewall of the first fixing groove; and the second base is provided with a second protruding ridge on its opposite sides that interferes with the sidewall of the second fixing groove.

[0018] According to one aspect of the present invention, the terminal further includes: a third connecting arm connected between the first base and the second base and configured to be elastically deformable, such that the second base can move relative to the first base.

[0019] According to one aspect of the present invention, the third connecting arm is configured in an "S" shape, wherein the third connecting arm is provided with a first stop member protruding toward a first base at the first bend of the "S" shape to abut against the first base, and a second stop member protruding toward a second base to abut against the second base at the second bend of the "S" shape.

[0020] According to one aspect of the present invention, the port is provided with an inclined surface along its circumference, and the mating port of the mating connector is provided with a mating inclined surface that interferes with the inclined surface along its circumference.

[0021] According to one aspect of the present invention, a fixing pin is provided on the side of the first bottom wall opposite to the second housing for fixing the first bottom wall onto the circuit board.

[0022] According to another aspect of the present invention, a connection assembly is provided, comprising: a connector according to any of the preceding aspects; and the mating connector for electrically connecting at least one of a motor, a water pump, and a water valve to the connector, the mating connector comprising a mating housing and the mating terminal disposed in the mating housing, the mating housing including a mating port. Attached Figure Description

[0023] The accompanying drawings, which are incorporated herein and form a part of this specification, illustrate the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the art to make and use the embodiments described herein.

[0024] Figure 1 This is a perspective view of the connecting component according to an embodiment of the present utility model;

[0025] Figure 2 yes Figure 1 An exploded view of the connecting components shows the connectors and mating connectors that are separate from each other;

[0026] Figure 3 yes Figure 2 A perspective view of a separate connector mounted on a circuit board, with the cover plate surrounding the connector removed for clarity;

[0027] Figure 4 yes Figure 3 Exploded view of the connector in the diagram;

[0028] Figure 5 yes Figure 4 A perspective view of the individual terminals in the diagram;

[0029] Figure 6 yes Figure 4 A perspective view of the separate second housing, showing the receiving channels and through holes;

[0030] Figure 7 It is along Figure 1 The cross-sectional view taken from lines VII-VIII shows the circuit board removed and illustrates the connection status of the mating terminals and terminals; and

[0031] Figure 8 It is along Figure 1 The cross-sectional view taken from lines VII-VIII shows the removal of the mating connectors, leaving the circuit board intact, and also shows the receiving channel.

[0032] The features of this utility model will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, wherein similar reference numerals always identify corresponding elements. In the drawings, similar reference numerals generally denote identical, functionally similar, and / or structurally similar elements. Unless otherwise stated, the drawings provided throughout this application should not be construed as being drawn to scale. Detailed Implementation

[0033] The embodiments of the present invention will now be described with reference to the accompanying drawings. However, it should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention. In the following detailed description, numerous specific details are set forth to provide a comprehensive understanding of the embodiments of the present invention for ease of explanation. However, it will be apparent that one or more embodiments may be practiced without these specific details. Furthermore, descriptions of well-known structures and techniques are omitted in the following description to avoid unnecessarily obscuring the concept of the present invention.

[0034] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention. The terms “comprising,” “including,” etc., as used herein indicate the presence of the stated features, steps, operations, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, or components.

[0035] All terms used herein (including technical and scientific terms) have the meanings commonly understood by those skilled in the art, unless otherwise defined. It should be noted that the terms used herein are to be interpreted in a manner consistent with the context of this specification, and not in an idealized or overly rigid way.

[0036] When using expressions such as "at least one of A, B and C", they should generally be interpreted in accordance with the meaning that is commonly understood by those skilled in the art (e.g., "a system having at least one of A, B and C" should include, but is not limited to, a system having A alone, a system having B alone, a system having C alone, a system having A and B, a system having A and C, a system having B and C, and / or a system having A, B and C, etc.).

[0037] See Figures 1 to 8 This utility model discloses a connector 1000 and a connector including the connector 1000 and a mating connector 2000 (see [link]). Figures 1 to 2 The mating connector 2000 is used to electrically connect at least one of a motor, water pump, and water valve (not shown) to connector 1000, and a circuit board 3000 to connector 1000. In practical applications, connector 1000 extends through a cover plate 4000 (not shown) of the device (see [reference]). Figures 1 to 2 The opening on the circuit board 3000 is used to electrically connect to the mating connector 2000, thereby electrically connecting the circuit board 3000 to at least one of the motor, water pump, and water valve.

[0038] See Figures 3 to 8 (For clarity, Figures 3 to 8(The cover plate 4000 is omitted). The connector 1000 includes: a first housing 1100, a second housing 1200, and terminals 1300. The mating connector 2000 includes a mating housing 2100 and plate-shaped or strip-shaped mating terminals 2200 disposed in the mating housing 2100.

[0039] The first housing 1100 is for fixed mounting onto the circuit board 3000. The second housing 1200 is for movably mounting onto the first housing 1100 and includes a port 1201 for inserting a mating connector 2000 therein, the port 1201 having a bevel 1202 along its circumference.

[0040] The mating housing 2100 includes a mating port 2101, which has a mating chamfer 2102 along its circumference that interferes with the chamfer 1202, such that when the mating housing 2100 of the mating connector 2000 is inserted into the connector 1000, the second housing 1200 is movably aligned with the mating housing 2100 to form a stable electrical connection between the terminal 1300 and the mating terminal 2200.

[0041] Terminal 1300 is installed in first housing 1100 and second housing 1200. Terminal 1300 includes: a first base 1310 fixed in the first housing 1100; a first connecting arm 1320 extending from the first base 1310 for electrical connection with circuit board 3000; a second base 1330 fixed in the second housing 1200; and a second connecting arm 1340 extending from the second base 1330 in a direction away from the first base 1310 for electrical connection with mating terminal 2200 of mating connector 2000.

[0042] Since the second housing 1200 is movably mounted on the first housing 1100 and the first base 1310 and the second base 1330 of the terminal 1300 are respectively mounted in the first housing 1100 and the second housing 1200, the second connecting arm 1340 extending from the second base 1330 can move with the second base 1330 relative to the first housing 1100 and the mating connector 2000. This eliminates the negative impact of manufacturing tolerances between the connector 1000 and the mating connector 2000 when the mating connector 2000 is inserted into the connector 1000 and the second housing 1200 is movably aligned with the mating housing 2100. This results in a stable and good electrical connection between the terminal 1300 and the mating terminal 2200, greatly improving the reliability of the connection assembly. Furthermore, this connector 1000 has a simple structure and is easy to operate, which not only reduces the manufacturing cost of the connector 1000 but also facilitates its widespread application in various scenarios.

[0043] See also Figures 3 to 8The first housing 1100 includes: a first bottom wall 1110 fixedly mounted on the circuit board 3000 and a first side wall 1120 arranged circumferentially along the first bottom wall 1110. The first side wall 1120 is provided with a connecting groove 1121, and the first base 1310 is fixed in the first bottom wall 1110.

[0044] See Figure 8 The first bottom wall 1110 is provided with a fixing pin 1112 on the side opposite to the second housing 1200, so as to fix the first bottom wall 1110 to the circuit board 3000 so that no relative displacement occurs between the first housing 1100 and the circuit board 3000.

[0045] The second housing 1200 includes: a receiving portion 1210 for receiving the second base portion 1330 of the terminal 1300 therein; and a second sidewall 1220 surrounding the receiving portion 1210 in the circumferential direction and provided with an elastic arm 1221, the free end 1222 of the elastic arm 1221 being provided with a protrusion 1223 that can be inserted into a connecting groove 1121, so as to mount the second housing 1200 onto the first housing 1100.

[0046] The second sidewall 1220 is configured to be surrounded by and spaced apart from the first sidewall 1120 after the second housing 1200 is mounted onto the first housing 1100. The second sidewall 1220 is higher than the first sidewall 1120. The protrusion 1223 is configured to be inserted into the connecting groove 1121 and then connected to the sidewall 1122 of the connecting groove 1121 (see [link]). Figure 3 and 4 The protrusions 1223 are spaced apart to allow them to move toward or away from the sidewalls 1122 within the connecting groove 1121. This allows the second housing 1200 to move relative to the first housing 1100 on the first bottom wall 1110 when the mating connector 2000 is inserted into the connector 1000 and the second housing 1200 is movably aligned with the mating housing 2100. In this case, the two opposing sidewalls 1122 of the connecting groove 1121 limit the range of movement of the second housing 1200 relative to the first housing 1100 by defining the range of movement of the protrusions 1223. Therefore, the range of movement of the second housing 1200 relative to the first housing 1100 can be adjusted by adjusting the distance between the two opposing sidewalls 1122 to form a stable electrical connection between the terminal 1300 and the mating terminal 2200.

[0047] The second housing 1200 further includes a second bottom wall 1230 connecting the receiving portion 1210 and the second side wall 1220 and abutting against the first bottom wall 1110. The second bottom wall 1230 is provided with a through hole 1231 formed between the free end 1222 of the elastic arm 1221 and the receiving portion 1210 to facilitate the movement of the free end 1222 toward the receiving portion 1210 (see [link]). Figure 6 The through hole 1231 facilitates the movement and deformation of the elastic arm 1221 relative to the second sidewall 1220, making it easier for the second housing 1200 to be installed on or removed from the first housing 1100.

[0048] See Figures 6 to 8 The second sidewall 1220 is spaced apart from the receiving portion 1210, so that the mating housing 2100 can be inserted between the second sidewall 1220 and the receiving portion 1210 to form an electrical connection between the terminal 1300 and the mating terminal 2200.

[0049] See further Figures 6 to 8 The receiving portion 1210 includes a receiving channel 1211 for receiving a mating terminal 2200 inserted into the receiving channel 1211 when the mating housing 2100 of the mating connector 2000 is inserted into the connector 1000. The receiving channel 1211 has receiving grooves 1213 on two opposite sidewalls 1212 for receiving a second connecting arm 1340, such that the mating terminal 2200 inserted into the receiving channel 1211 can be clamped between the two opposite second connecting arms 1340 to form a stable and good electrical connection between the mating terminal 2200 and the terminal 1300. The depth of the receiving groove 1213 is set such that when the mating terminal 2200 is inserted between the two opposing second connecting arms 1340, the two opposing second connecting arms 1340 are prevented from being excessively deformed, so that the two opposing second connecting arms 1340 forcefully clamp the mating terminal 2200 between the two opposing second connecting arms 1340 to form a stable electrical connection between the terminal 1300 and the mating terminal 2200.

[0050] See Figure 4 The first bottom wall 1110 is provided with a rectangular recess 1113. A first fixing groove 1111 extends across the width of the recess 1113 and is disposed in the first bottom wall 1110. When the first base 1310 is fixed in the first fixing groove 1111, the top surface of the middle portion of the first base 1310 is flush with the bottom surface of the recess 1113. The receiving portion 1210 is provided with a second fixing groove 1214 at one end of the receiving channel 1211 facing the first bottom wall 1110 (see...). Figure 8 The second base 1330 is fixed in the second fixing groove 1214.

[0051] See Figure 5 , 7 8. The first base 1310 has first ridges 1311 on its opposite sides that interfere with the sidewalls of the first fixing groove 1111, so as to fix the first base 1310 in the first fixing groove 1111. The second base 1330 has second ridges 1331 on its opposite sides that interfere with the sidewalls of the second fixing groove 1214, so as to fix the second base 1330 in the second fixing groove 1214.

[0052] See Figure 4 , 5 7 and 8, the terminal 1300 further includes: a third connecting arm 1350, connected between the first base 1310 and the second base 1330 and configured to be elastically deformable, such that the second base 1330, after being fixed in the second fixing groove 1214 of the second housing 1200, moves with the second housing 1200 relative to the first base 1310 fixed in the first fixing groove 1111 of the first housing 1100, so that the second connecting arm 1340 extending from the second base 1330 can move with the second base 1330 relative to the first housing 1100 and the mating connector 2000, which is conducive to forming a stable and good electrical connection between the terminal 1300 and the mating terminal 2200, as described above.

[0053] See also Figure 4 , 5 In one embodiment of the present invention, the third connecting arm 1350 is configured in an "S" shape; however, the present invention is not limited thereto, and the third connecting arm 1350 can be configured in any suitable shape. The third connecting arm 1350 has a first stop 1352 protruding toward the first base 1310 at the first bend 1351 of the "S" shape to abut against the first base 1310, and a second stop 1354 protruding toward the second base 1330 to abut against the second base 1330 at the second bend 1353 of the "S" shape. The first stop 1352 and the second stop 1354 are provided to prevent the second base 1330, which is fixed in the second fixing groove 1214, from moving towards the first base 1310 when the mating terminal 2200 is inserted between the two second connecting arms 1340 due to excessive friction between the mating terminal 2200 and the two second connecting arms 1340, in the event that the second base 1330 is disengaged from the second fixing groove 1214 and moves towards the first base 1310, thus avoiding poor contact between the terminal 1300 and the mating terminal 2200 and facilitating the formation of a stable and good electrical connection between the terminal 1300 and the mating terminal 2200.

[0054] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings. It should be noted that implementations not illustrated or described in the drawings or the main text of the specification are forms known to those skilled in the art and have not been described in detail. Furthermore, the definitions of the components described above are not limited to the various specific structures, shapes, or methods mentioned in the embodiments, and those skilled in the art can easily modify or substitute them.

[0055] It should also be noted that, in the specific embodiments of this utility model, unless otherwise stated otherwise, the numerical parameters in this specification and the appended claims are approximate values ​​and can be changed according to the desired characteristics obtained from the content of this utility model. Specifically, all numbers used in the specification and claims to indicate dimensions, range conditions, etc., of the composition should be understood to be modified by the term "about" in all cases. Generally, it means that there is a variation of ±10% in some embodiments, ±5% in some embodiments, ±1% in some embodiments, and ±0.5% in some embodiments.

[0056] Those skilled in the art will understand that the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly described in this utility model. In particular, the features described in the various embodiments and / or claims of this utility model can be combined or combined in various ways without departing from the spirit and teachings of this utility model. All such combinations and / or combinations fall within the scope of this utility model.

[0057] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A connector for electrical connection with a mating connector, characterized in that, The connector includes: The first housing is used for fixed mounting onto the circuit board; A second housing for movably mounting onto a first housing and including a port for inserting a mating connector therein; and Terminals, mounted in a first housing and a second housing, the terminals comprising: The first base is fixed in the first housing; A first connecting arm extends from a first base to be electrically connected to a circuit board; The second base is fixed in the second housing; and The second connecting arm extends from the second base in a direction away from the first base to be electrically connected to the mating terminal of the mating connector.

2. The connector according to claim 1, characterized in that, The first housing includes: a first bottom wall fixedly mounted on a circuit board and a first side wall circumferentially disposed along the first bottom wall, the first side wall having a connecting groove, and a first base fixed in the first bottom wall; and The second housing includes: a receiving portion for receiving a second base portion of a terminal therein; and a second sidewall surrounding the receiving portion circumferentially and provided with an elastic arm, the free end of which is provided with a protrusion capable of being inserted into a connecting groove to mount the second housing onto the first housing.

3. The connector according to claim 2, characterized in that, The second sidewall is configured to be surrounded by and spaced apart from the first sidewall after the second housing is mounted onto the first housing, and the protrusion is configured to be spaced apart from the sidewall of the connecting groove after being inserted into the connecting groove, such that the second housing can move relative to the first housing on the first bottom wall.

4. The connector according to claim 2 or 3, characterized in that, The second housing further includes a second bottom wall connected between the receiving portion and the second side wall and abutting against the first bottom wall, the second bottom wall being provided with a through hole formed between the free end of the elastic arm and the receiving portion to facilitate the free end moving toward the receiving portion.

5. The connector according to claim 4, characterized in that, The second sidewall is spaced apart from the receiving portion, allowing the mating connector to be inserted between the second sidewall and the receiving portion to form an electrical connection between the terminal and the mating terminal.

6. The connector according to any one of claims 2 to 3 and 5, characterized in that, The receiving part includes: a receiving channel for receiving a mating terminal inserted therein, and receiving grooves for receiving a second connecting arm are provided on two opposite side walls of the receiving channel, such that the mating terminal is clamped between two opposite second connecting arms.

7. The connector according to claim 6, characterized in that, The first bottom wall is provided with a first fixing groove, and the first base is fixed in the first fixing groove; and The receiving part has a second fixing groove at one end of the receiving channel facing the first bottom wall, and the second base is fixed in the second fixing groove.

8. The connector according to claim 7, characterized in that, The first base has first protruding ridges on its opposite sides that interfere with the sidewalls of the first fixing groove; and The second base has second protruding ridges on its opposite sides that interfere with the sidewalls of the second fixing groove.

9. The connector according to claim 6, characterized in that, The terminal further includes a third connecting arm, connected between the first base and the second base and configured to be elastically deformable, such that the second base can move relative to the first base.

10. The connector according to claim 9, characterized in that, The third connecting arm is configured in an "S" shape, and the third connecting arm is provided with a first stop member protruding toward a first base at the first bend of the "S" shape to abut against the first base, and a second stop member protruding toward a second base to abut against the second base at the second bend of the "S" shape.

11. The connector according to any one of claims 1 to 3, 5, 7 to 10, characterized in that, The port is provided with a bevel along its circumference, and the mating port of the mating connector is provided with a mating bevel along its circumference that interferes with the bevel.

12. The connector according to any one of claims 2 to 3, 5, 7 to 10, characterized in that, The first bottom wall has a retaining pin on its side opposite to the second housing for fixing the first bottom wall to the circuit board.

13. A connecting component, characterized in that, include: The connector according to any one of claims 1 to 12; and The mating connector is used to electrically connect at least one of a motor, a water pump, and a water valve to the connector. The mating connector includes a mating housing and mating terminals disposed in the mating housing. The mating housing includes a mating port.

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