Electric connector female end and electric connector assembly

Abstract

The utility model belongs to the technical field of electric connectors, and discloses an electric connector female end and an electric connector assembly, the electric connector female end comprises a sealing member and a first conductor, the sealing member is provided with a channel, so that the first conductor arranged in the electric connector female end can only be communicated with the outside through the channel; the switch further comprises a turn-off piece used for applying elastic acting force to the sealing piece, the sealing piece deforms under the action of the elastic acting force, the sealing piece elastically deforms at the acting position of the elastic acting force, the channel is closed, and when the channel is closed, the first conductor can be isolated from the outside. According to the utility model, active elastic acting force is applied to the sealing element by utilizing the shutoff element, active extrusion acting force is provided for the sealing element, and the channel of the sealing element is closed, so that the closing of the channel is tighter, and the sealing element has better sealing performance; and the problem that a channel is not tightly closed or cannot be effectively closed after a sealing piece of an existing passive extrusion type structure is abraded can be well solved.

Description

Technical Field

[0001] This utility model belongs to the field of electrical connector technology, specifically relating to an electrical connector female terminal and an electrical connector assembly. Background Technology

[0002] Electrical connectors are widely used in various industrial and civilian applications, and increasingly stringent requirements are being placed on their safety and reliability. Existing electrical connectors typically incorporate protective structures to prevent water or impurities from entering the connector, thus avoiding short circuits or malfunctions and enabling them to operate in various harsh environments, such as underwater live-line testing. However, existing electrical connectors suffer from poor sealing stability and reliability, making it difficult to meet the sealing and safety performance requirements under special operating conditions. Utility Model Content

[0003] The purpose of this invention is to provide a female terminal of an electrical connector and an electrical connector assembly to solve the problem of poor sealing performance of existing electrical connectors.

[0004] This utility model is achieved through the following technical solution:

[0005] The female end of the electrical connector includes a seal and a first conductor. The seal is provided with a channel, which allows the first conductor, which is disposed in the female end of the electrical connector, to communicate with the outside only through the channel.

[0006] It also includes a shut-off element for applying an elastic force to the seal, which deforms under the action of the elastic force, causing the seal to elastically deform at the location where the elastic force is applied and closing the channel, and when the channel is closed, it can isolate the first conductor from the outside.

[0007] In some embodiments, the first conductor is disposed within the seal and communicates with the channel.

[0008] In some embodiments, the first conductor is disposed within the female end of the electrical connector, and the second conductor of the male end of the electrical connector can be inserted through a channel and connected to the first conductor.

[0009] In some embodiments, when the second conductor of the male end of the electrical connector is inserted into the channel, the shut-off element can undergo elastic deformation under the action of the second conductor, causing the shut-off element to move in the opposite direction to the elastic force at the position where it acts on the seal.

[0010] In some embodiments, the shut-off element applies two elastic forces in opposite directions to the seal on both sides of the channel, causing the channel to close at the location where the elastic forces are applied.

[0011] In some embodiments, the shut-off element applies an elastic force to the seal on one side of the channel, and uses the reverse force provided by a fixed wall on the other side of the channel to close the channel at the position where the elastic force is applied.

[0012] In some embodiments, the shut-off element is configured to apply an elastic force to the seal at multiple locations along the axial direction of the channel, thereby closing the channel at multiple locations along its axial direction.

[0013] In some embodiments, the seal is provided with a channel.

[0014] In some embodiments, the seal is tubular.

[0015] In some embodiments, the seal is provided with a plurality of channels, and each channel is configured with a corresponding shut-off element for closing the corresponding channel.

[0016] In some embodiments, the seal is an elastic element made of a non-metallic elastic material.

[0017] In some embodiments, an insulating element is further included, which is disposed at the end of the first conductor extending outside the seal, for insulating and sealing the end of the first conductor extending outside the seal.

[0018] On the other hand, in some embodiments, the female end of the electrical connector includes a tubular and resilient seal, with a channel formed along the axial direction of the seal having an opening at at least one end, and a first conductor disposed within the seal and communicating with the channel;

[0019] It also includes a shut-off element, which is used to apply two elastic forces in opposite directions to the seal on both sides of the channel, so that the channel is closed at the position where the elastic forces are applied.

[0020] The position where the shut-off element applies force to the channel is located between the opening end of the channel and the first conductor.

[0021] On the other hand, in some embodiments, the female end of the electrical connector includes a tubular and resilient seal, with a channel formed along the axial direction of the seal having an opening at at least one end, and a first conductor disposed within the seal and communicating with the channel;

[0022] It also includes a shut-off element, which is used to apply an elastic force to the seal on one side of the channel and use the reverse force provided by a fixed wall on the other side of the channel to close the channel at the position where the elastic force is applied.

[0023] The position where the shut-off element applies force to the channel is located between the opening end of the channel and the first conductor.

[0024] On the other hand, this utility model also provides an electrical connector assembly, comprising:

[0025] The female terminal of the electrical connector mentioned above;

[0026] And a male terminal of an electrical connector, the male terminal of which includes a second conductor for connection to the first conductor.

[0027] In some embodiments, the second conductor is covered with an insulating sleeve. When the second conductor is inserted into the channel, the insulating sleeve and the sealing element form an interference fit, so that the first conductor can always be isolated from the outside world through the cooperation between the insulating sleeve and the sealing element during the insertion and removal process.

[0028] Compared with the prior art, this utility model has the following advantages and beneficial effects:

[0029] This invention utilizes a shut-off component to apply an active elastic force to the seal, providing an active compressive force to close the seal's channel, resulting in a tighter closure and improved sealing performance.

[0030] By utilizing the elastic deformation characteristic of the shut-off component, when the male end is inserted into the channel, the shut-off component undergoes elastic deformation. While the channel is opened, it can provide the space required to accommodate the insertion of the male end, reducing the friction between the male end and the seal during insertion and removal. This effectively reduces wear on the channel during insertion and removal of the male end and can also effectively solve the problem of incomplete or ineffective channel closure after the seal wears in existing passive compression structures.

[0031] The sealing method that uses a shut-off element to actively compress the seal can quickly close the channel when the male end is pulled out, by utilizing the active compression force provided by the shut-off element, thereby improving the sealing effect and enhancing the stability and reliability of the seal.

[0032] In this invention, the conductor of the female end of the electrical connector is placed inside the sealing element, which increases the sealing performance of the female end of the electrical connector and simplifies its structure. Attached Figure Description

[0033] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0034] Figure 1This is a schematic diagram of one embodiment of the female terminal of the electrical connector in this utility model.

[0035] Figure 2 for Figure 1 Top view of the female connector structure.

[0036] Figure 3 for Figure 2 Schematic diagram of the AA-direction section.

[0037] Figure 4 This is a schematic diagram of another embodiment of the female terminal of the electrical connector in this utility model.

[0038] Figure 5 for Figure 4 Top view of the female connector structure.

[0039] Figure 6 for Figure 5 Schematic diagram of the BB-direction section.

[0040] Figure 7 for Figure 5 Schematic diagram of the CC-direction section.

[0041] Figure 8 This is a schematic diagram of another embodiment of the female terminal of the electrical connector in this utility model.

[0042] Figure 9 for Figure 8 Top view of the female connector structure.

[0043] Figure 10 for Figure 9 Schematic diagram of the DD section.

[0044] Figure 11 This is a schematic diagram of the female end structure of an electrical connector with multiple channels on the sealing element in an embodiment of this utility model.

[0045] Figure 12 This is a schematic diagram of the female end structure of an electrical connector using a combination of multiple sealing elements in an embodiment of this utility model.

[0046] Figure 13 This is a schematic diagram of another embodiment of the female end of an electrical connector that uses a combination of multiple sealing elements in this utility model.

[0047] Figure 14 This is a schematic diagram of one embodiment of the electrical connector assembly in this utility model.

[0048] Figure 15 This is a schematic diagram of another embodiment of the electrical connector assembly in this utility model.

[0049] in:

[0050] 10. Female terminal of electrical connector; 101. First conductor; 102. Seal; 103. Channel; 104. Shut-off element; 141. Flexible arm; 105. Housing; 106. Base; 1061. Limiting part; 107. Insulating element.

[0051] 20. Male terminal of electrical connector; 201. Second conductor; 202. Insulating sleeve. Detailed Implementation

[0052] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0053] In existing electrical connector sealing structures, a seal is placed inside the female end of the connector. By utilizing the dimensional difference between the inner cavity of the female end housing and the volume of the seal, the seal is squeezed by the housing when it is installed inside the housing, causing the channel on the seal to close and thus sealing the inside of the electrical connector.

[0054] In this type of sealing structure that passively compresses the seal, when the male end of the electrical connector is inserted into the sealing channel, the male end compresses the seal again, opening the channel. Since the space within the channel to accommodate the male end is entirely provided by the deformation of the seal, the seal is further compressed and deformed on top of its initial compression deformation. This results in a larger interaction force between the male end and the seal, increasing the friction between them. Thus, repeated insertion and removal of the male end can easily cause wear on the inner wall of the sealing channel, preventing the channel from effectively closing under this passive compression force.

[0055] Meanwhile, this method of closing the channel of the seal by passive compression means that when the male end is pulled out, the channel can only be closed by the elastic deformation of the seal itself, resulting in slow channel closure speed and poor closure effect. All of these factors affect the sealing performance and effect of the electrical connector in actual use.

[0056] Furthermore, since seals are usually made of non-metallic elastic materials such as silicone rubber, these materials are prone to wear and aging. Relying solely on the elastic deformation of the seal itself for sealing makes it difficult to guarantee the stability and reliability of the sealing performance of electrical connectors, and greatly limits their service life.

[0057] The analysis of the existing sealing structure reveals that, although the deformation of the sealing element under external force can close the channel and achieve a sealing effect, the opening and closing of the channel during insertion and removal are achieved through the elastic deformation of the sealing element itself. This is the root cause of the aforementioned problems.

[0058] Based on the above findings, this invention solves the aforementioned problems by applying an active elastic force to the sealing element to close the sealing channel.

[0059] Based on this technical concept, in some embodiments of this utility model, the female end 10 of the electrical connector includes a sealing element 102, on which a channel 103 is provided, allowing the first conductor 101 disposed within the female end of the electrical connector to communicate with the outside only through the channel. The second conductor 201 of the male end 20 of the electrical connector can be inserted into the female end of the electrical connector through the channel and form a connection with the first conductor.

[0060] In other words, the seal on the female end of the electrical connector serves to seal the connector, creating a sealed isolation between the first conductor inside the female end, which transmits current, and the outside world. The second conductor on the male end of the connector can only enter the interior of the connector through the channel.

[0061] In this embodiment, the female end 10 of the electrical connector is provided with a shut-off element 104, which applies an active elastic force to the seal, causing the seal to deform under the action of the elastic force. The seal undergoes elastic deformation at the position where the elastic force is applied, and the channel can be closed. When the channel is closed, the first conductor can be isolated from the outside world, sealing the first conductor inside the female end of the electrical connector, thereby achieving the sealing and isolation of the first conductor.

[0062] As one possible implementation for the female end of the electrical connector, the first conductor can be placed inside the seal and connected to the channel, or the first conductor can be placed inside the female end of the electrical connector, and the channel on the seal can be configured to connect to the interior of the female end of the electrical connector. In this case, the second conductor of the male end of the electrical connector can be inserted through the channel and connected to the first conductor. In both cases, closing the channel by the shut-off element can create a sealed isolation between the first conductor and the outside.

[0063] In some embodiments, when the second conductor 201 of the male terminal 20 of the electrical connector is inserted into the channel 103, the second conductor exerts a force on the shut-off member in the opposite direction to the elastic force. Under this force, the shut-off member can undergo elastic deformation, causing the shut-off member to move in the opposite direction to the elastic force at the sealing position, providing space for the second conductor to be inserted.

[0064] In some embodiments, the seal 102 has a tubular structure. The cross-sectional shape of the channel 103 on the seal 102 can match the cross-sectional shape of the second conductor of the male terminal 20 of the electrical connector, for example, it can be circular or rectangular.

[0065] The seal 102 may be made of silicone or a similar elastic material.

[0066] In some embodiments, the shut-off element 104 may have two elastic arms 141, which form a structure similar to an elastic clip. The two elastic arms apply elastic forces with opposite directions to the sealing element on both sides of the channel, causing the channel to close at the force application position, thus isolating the first conductor from the outside world and achieving a sealing effect.

[0067] In some embodiments, the shut-off element 104 may also have only one elastic arm 141. In this case, one side of the seal is pressed against a fixed element or a fixed wall. When the elastic arm applies an elastic force to the seal, the seal is elastically deformed by the elastic force of the elastic arm and the opposite force provided by the fixed element or the fixed wall, which can also close the channel at the position of the elastic force.

[0068] Of course, the shut-off element is not limited to the above-mentioned method of applying elastic force to the seal with an elastic arm. For example, a combination of spring and slider can also be used. The spring provides the slider with a force that allows the slider to press against the seal, actively squeezing the seal, which can also close the channel and achieve the sealing effect.

[0069] The magnitude of the force exerted by the shut-off element on the seal can be adjusted by setting the elastic coefficient of the elastic arm or by controlling the clamping depth of the elastic arm on the seal in its free state. Alternatively, the elastic arm can be limited at the clamping position to restrict the clamping depth of the elastic arm on the seal, thereby controlling the clamping force of the shut-off element on the seal.

[0070] Based on the cooperation between the shut-off element and the seal, and the force characteristics of the shut-off element, when the second conductor of the male end of the electrical connector is inserted into the channel, the elastic arm can undergo elastic deformation. At this time, the accommodating space provided for the second conductor in the channel is provided by the deformation of the elastic arm and the deformation of the seal, which reduces the amount of deformation of the seal and reduces the interaction force between the second conductor and the seal. This reduces the frictional force between the second conductor and the seal during insertion and removal, which plays an important role in reducing the wear of the seal and can effectively solve the problem that passive compression sealing methods are prone to causing wear to the seal.

[0071] More significantly, based on this active compression method, the sealing channel can still be effectively closed even when the seal is worn, giving the electrical connector a clear advantage in terms of sealing reliability and stability.

[0072] Similarly, based on the characteristics of this active compression method, relying on the elastic force provided by the shut-off component, it also has a significant advantage in improving the reaction speed of the sealing channel closure.

[0073] In some embodiments, along the axial direction of the channel, the shut-off element 104 is configured to apply an elastic force to the seal at multiple locations, causing the channel to close at multiple locations along its axial direction. It is readily understood that employing a method of closing the channel at multiple locations can further improve the sealing performance of the electrical connector.

[0074] Taking a shut-off component structure capable of simultaneously applying opposite elastic forces to the seal on both sides of the channel as an example, two or more spaced clamping parts can be provided on each elastic arm of the shut-off component. These clamping parts can simultaneously provide clamping elastic forces to the seal at multiple locations, causing the channel to close at multiple points. Alternatively, multiple shut-off components can be used to clamp the seal at different locations.

[0075] Typically, the shut-off element can be positioned at the middle of the channel along the axial direction to act on the seal.

[0076] In other embodiments of this utility model, refer to Figure 1 , Figure 2 and Figure 3 The female terminal 10 of the electrical connector includes a seal 102 and a first conductor 101. The seal is a tubular elastic element. A channel 103 is provided on the seal 102. The first conductor 101 is disposed in the seal and communicates with the channel, so that the second conductor 201 of the male terminal 20 of the electrical connector can be inserted through the channel and connected to the first conductor.

[0077] Similarly, a shut-off element 104 is provided to apply an elastic force to the seal 102. The shut-off element applies the force to the channel between the opening end of the channel and the first conductor. The seal deforms under the action of the elastic force, causing the channel 103 to close at the position where the elastic force is applied, thereby sealing the first conductor.

[0078] At this time, the first conductor 101 is sealed and covered inside the sealing member 102, and the sealing member 102 and the first conductor 101 form a fit to form a functional unit of the female end of the electrical connector, which can make the structure of the female end of the electrical connector simpler.

[0079] The first conductor 101 typically includes a crown spring socket and a crown spring disposed within the crown spring socket.

[0080] In some embodiments, the arrangement of the first conductor within the seal can be achieved by providing an insulating member at the end of the first conductor extending outside the seal. The insulating member serves to insulate and seal the end of the first conductor extending outside the seal. For example... Figure 3 As shown, one end of the first conductor 101 can be placed inside an insulating member 107, and then the insulating member 107 can be placed inside the channel 103 of the sealing member 102. The insulating member covers one end of the first conductor, and then the sealing member covers the insulating member. The three parts form a tight fit, which can effectively seal and insulate the first conductor from the outside at that end. Of course, further sealing treatment can be performed between the first conductor and the insulating member to better seal the end of the first conductor exposed in the sealing member.

[0081] At this point, an interference fit connection can be used between the first conductor and the insulator, and between the insulator and the sealing element.

[0082] This structure of the female connector optimizes the number of required components, making the female connector simpler in structure and more reliable.

[0083] In some embodiments, taking the female end of an electrical connector with two sockets as an example, refer to... Figure 4 , Figure 5 , Figure 6 and Figure 7 The female terminal 10 of the electrical connector may employ two sets of functional units formed by a seal and a first conductor. The first conductor is disposed within the seal of each functional unit, and the two sets of functional units are arranged side by side within the electrical connector. A channel is provided on the seal of each functional unit, which corresponds to the first conductor.

[0084] At this time, the shut-off element 104 can adopt a structure formed by two sets of elastic arm assemblies. Each set of elastic arm assemblies includes two elastic arms 141 that are disposed opposite to each other on both sides of the seal. The two sets of elastic arm assemblies are disposed side by side at positions corresponding to the two seals, and are used to provide the elastic force required to close the channel to the two seals respectively.

[0085] As a concrete and implementable method, such as Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the female terminal 10 of the electrical connector includes a housing 105 and a base 106 disposed within the housing. Two holes for arranging the two sets of functional units are arranged side by side on the base 106. The two sets of functional units are respectively disposed within the base 106.

[0086] The shut-off element 104 includes a fixing part, and elastic arms 141 are connected to the fixing part at one end. The shut-off element 104 is connected to the base 106 through the fixing part. A notch is provided on the base 106 so that both sides of the seal 102 can be exposed from the notch position; correspondingly, the free ends of each elastic arm of the shut-off element 104 extend into the notch, and the two oppositely arranged elastic arms can clamp the seal, so that the channel of the seal is closed.

[0087] The female terminal 10 of the electrical connector can also use only one seal 102, on which two parallel channels 103 are provided, as shown in the figure. Figure 11 Both first conductors 101 are disposed within the seal and correspond to the two channels respectively. Accordingly, each channel is equipped with a corresponding shut-off element for closing the corresponding channel; or the elastic arms of the two side-by-side shut-off elements are configured as an integral structure. In this case, by providing the seal with the elastic force required to close the channel at the two channel positions through the shut-off elements, a female terminal of the electrical connector with two sockets can also be obtained.

[0088] Based on the same working principle, the above structure is also applicable to other female terminals of electrical connectors with various numbers of sockets.

[0089] In some embodiments, taking the female end of an electrical connector with two sockets as an example, refer to... Figure 8 , Figure 9 and Figure 10 The female terminal 10 of the electrical connector employs two sets of functional units formed by seals and a first conductor. Unlike the embodiments described above, one side of the seals of the two sets of functional units abuts against a fixing member or a fixed wall, for example, one side of the seal abuts against a housing or base. In this case, the shut-off element adopts a structure with two elastic arms. The two elastic arms are arranged opposite to each other or side-by-side and are respectively positioned at positions corresponding to the two seals. Each elastic arm applies an elastic force to the corresponding seal. Under the action of the elastic arm and the fixing member or fixed wall, the channel of the seal at the corresponding position can be closed at the position of the elastic force through one elastic arm.

[0090] Reference Figure 8 A limiting part 1061 can be provided on the base 106. The limiting part is correspondingly provided at the position where the elastic arm applies force to the seal and is located on the other two sides of the seal. When the working end of the elastic arm clamps the seal, the limiting part can limit the clamping depth of the working end of the elastic arm, thereby controlling the magnitude of the clamping force of the elastic arm.

[0091] Reference Figure 12 , Figure 13Two other feasible structural forms are provided, in which two seals arranged side by side are used as a sealing assembly. One side of the sealing assembly abuts against the base, and the other side provides elastic force to the two seals through a shut-off element with an integral elastic arm or two elastic arms arranged side by side. Another set of sealing assemblies and shut-off elements can be provided on the opposite side of the base, resulting in an electrical connector female terminal with four sockets.

[0092] On the other hand, in some embodiments of this utility model, reference is made to Figure 14 and Figure 15 The electrical connector assembly includes a male connector terminal 20 and a female connector terminal 10 using the above embodiment. The male connector terminal 20 has a second conductor 201, and the connection between the male and female connector terminals is achieved through the connection between the first conductor and the second conductor.

[0093] As mentioned above, the cross-section of the second conductor 201 is generally set to be the same as the cross-section of the channel on the seal, and the two are matched in size, so that the second conductor and the seal can form a good sealing fit, while reducing the friction between the second conductor and the seal during insertion and removal, and reducing the wear on the seal.

[0094] An insulating sleeve 202 can be wrapped around the second conductor 201. While providing insulation, the insulating sleeve and the channel of the sealing element are interference fit. The insulating sleeve and the sealing element can form a good sealing fit, so that the first conductor can always be isolated from the outside world through the fit between the insulating sleeve and the sealing element during the insertion and removal of the second conductor, thereby further increasing the sealing performance during the insertion and removal of the male and female ends.

[0095] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", and "outer" used to indicate the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only used to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0096] Furthermore, the use of terms such as "horizontal" or "vertical" in the description of this utility model does not imply that the component is required to be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0097] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model in light of the specific circumstances.

[0098] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A female terminal of an electrical connector, characterized in that, The device includes a seal, a first conductor, and a shut-off element. The seal is a tubular elastic element made of a non-metallic elastic material, and has a channel. The first conductor is disposed inside the seal, allowing it to communicate with the outside world only through the channel. The shut-off element includes a fixing part and an elastic arm connected to the fixing part. The shut-off element is mounted on the base of the female end of the electrical connector via the fixing part. The base has a notch corresponding to the seal. The free end of the elastic arm extends into the notch and acts on the seal. The shut-off element applies two opposite elastic forces to the seal on both sides of the channel through the elastic arm, or applies an elastic force to the seal on one side of the channel through the elastic arm and utilizes the reverse force provided by the fixing wall on the other side of the channel. This causes the seal to elastically deform at the location of the elastic force and closes the channel. When the channel is closed, it isolates the first conductor from the outside world. The magnitude of the force applied by the shut-off element to the seal is adjusted by setting the elastic coefficient of the elastic arm, controlling the clamping depth of the elastic arm on the seal in the free state, or limiting the clamping position of the elastic arm.

2. The female terminal of the electrical connector according to claim 1, characterized in that, When the second conductor of the male end of the electrical connector is inserted into the channel, the shut-off element can undergo elastic deformation under the action of the second conductor, causing the shut-off element to move in the opposite direction to the elastic force at the position where it acts on the seal.

3. The female terminal of the electrical connector according to claim 1 or 2, characterized in that, Along the axial direction of the channel, the shut-off element is configured to apply an elastic force to the seal at multiple locations, causing the channel to close at multiple locations along its axial direction.

4. The female terminal of the electrical connector according to claim 1, characterized in that, The seal has a channel.

5. The female terminal of the electrical connector according to claim 1, characterized in that, The seal has multiple channels, and each channel is equipped with a corresponding shut-off element to close the corresponding channel.

6. The female terminal of the electrical connector according to claim 1, characterized in that, It also includes an insulating element disposed at the end of the first conductor that extends outside the seal, for insulating and sealing the end of the first conductor that extends outside the seal.

7. An electrical connector assembly, characterized in that, include: The female terminal of the electrical connector according to any one of claims 1-6; And a male terminal of an electrical connector, the male terminal of which includes a second conductor for connection to the first conductor.

8. The electrical connector assembly according to claim 7, characterized in that, The second conductor is covered with an insulating sleeve. When the second conductor is inserted into the channel, the insulating sleeve and the sealing element form an interference fit, so that the first conductor can always be isolated from the outside world through the cooperation between the insulating sleeve and the sealing element during the insertion and removal process.

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