Terminal product, electrical connection assembly and electrical connection product

Abstract

The utility model discloses a terminal product, an electric connection assembly and an electric connection product. The terminal product comprises a terminal which is an integrated punch forming part and is provided with a cylindrical main body; a hard injection molded part which is injection molded on the cylindrical main body of the terminal; the terminal comprises a cylindrical main body, a hard injection molding part and a soft injection molding part, the soft injection molding part is injection-molded on the cylindrical main body of the terminal, the terminal product is suitable for being inserted into a mounting hole of a shell, the hard injection molding part is used as a mounting structure matched with the shell, and the soft injection molding part is used as a sealing part for sealing the mounting hole of the shell. According to the utility model, the hard injection-molded part which is injection-molded on the cylindrical main body of the integrated punch-formed terminal is used as an installation structure which is matched with the shell, so that the application range of the integrated punch-formed terminal is expanded. In addition, according to the utility model, the integrated punch forming terminal is used for replacing the traditional machining terminal, so that the manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model relates to a terminal product, including an electrical connection component of the terminal product and an electrical connection product including the terminal product or the electrical connection component. Background Art

[0002] In the prior art, in order to reduce the manufacturing cost, integral stamping forming terminals are usually adopted. However, the rear end of the integral stamping forming terminal does not have a mounting structure suitable for mating with a housing. Therefore, the existing integral stamping forming terminals cannot be used in some applications, and machined terminals need to be adopted. However, the cost of machined terminals is relatively high. Summary of the Utility Model

[0003] The purpose of the utility model is to solve at least one of the above problems and defects existing in the prior art.

[0004] According to one aspect of the utility model, a terminal product is provided. The terminal product includes: a terminal, which is an integral stamping forming part and has a cylindrical main body; a hard injection molded part, which is injection molded onto the cylindrical main body of the terminal; and a soft injection molded part, which is injection molded onto the cylindrical main body of the terminal. The terminal product is adapted to be inserted into a mounting hole of a housing. The hard injection molded part serves as a mounting structure for mating with the housing, and the soft injection molded part serves as a seal for sealing the mounting hole of the housing.

[0005] According to an exemplary embodiment of the utility model, the cylindrical main body of the terminal has a front part and a rear part opposite to each other in its axial direction. The front part of the cylindrical main body is used for mating with a mating terminal. The hard injection molded part and the soft injection molded part are injection molded on the rear part of the cylindrical main body of the terminal.

[0006] According to another exemplary embodiment of the utility model, a slot hole is formed on the rear part of the cylindrical main body of the terminal. The hard injection molded material for forming the hard injection molded part and the soft injection molded material for forming the soft injection molded part enter the inner cavity of the rear part of the cylindrical main body through the slot hole and seal the inner cavity of the rear part of the cylindrical main body.

[0007] According to another exemplary embodiment of the utility model, the slot hole includes a front slot hole and a rear slot hole spaced opposite to each other in the axial direction of the cylindrical main body. The hard injection molded part includes a front hard injection molded body and a rear hard injection molded body respectively located at the front slot hole and the rear slot hole. The front hard injection molded body and the rear hard injection molded body are spaced apart by a predetermined distance in the axial direction of the cylindrical main body, and the soft injection molded part is located between the front hard injection molded body and the rear hard injection molded body.

[0008] According to another exemplary embodiment of the present utility model, the front slot and the rear slot are in an arc shape extending along the circumferential direction of the cylindrical body. The cylindrical body has an arc-shaped bridge portion located between the front slot and the rear slot, and the arc-shaped bridge portion is embedded in the soft plastic injection part.

[0009] According to another exemplary embodiment of the present utility model, the front end and the rear end of the soft plastic injection part are respectively combined with the front hard plastic injection body and the rear hard plastic injection body; a plurality of annular sealing ribs are axially and spacedly distributed on the outer peripheral surface of the soft plastic injection part, and the plurality of annular sealing ribs are used for interference fit with the inner wall surface of the mounting hole of the housing to seal the mounting hole.

[0010] According to another exemplary embodiment of the present utility model, the cylindrical body has a soft material injection area combined with the soft plastic injection part, and a layer of sealant is applied on the surface of the soft material injection area of the cylindrical body. The sealant is combined between the cylindrical body and the soft plastic injection part; and / or the cylindrical body has a hard material injection area combined with the hard plastic injection part, and a layer of sealant is applied on the surface of the hard material injection area of the cylindrical body. The sealant is combined between the cylindrical body and the hard plastic injection part.

[0011] According to another exemplary embodiment of the present utility model, a hydrophilic coating is formed on the surface of the soft material injection area of the cylindrical body of the terminal, and the sealant is applied on the hydrophilic coating; and / or a hydrophilic coating is formed on the surface of the hard material injection area of the cylindrical body of the terminal, and the sealant is applied on the hydrophilic coating.

[0012] According to another exemplary embodiment of the present utility model, the hydrophilic coating is a tin coating or a silver coating electroplated on the surface of the soft material injection area and / or the hard material injection area of the cylindrical body of the terminal.

[0013] According to another exemplary embodiment of the present utility model, at least a part of the surface of the soft material injection area of the cylindrical body of the terminal is a rough surface with uneven convex and concave to enhance the bonding strength between the cylindrical body of the terminal and the soft plastic injection part; and / or at least a part of the surface of the hard material injection area of the cylindrical body of the terminal is a rough surface with uneven convex and concave to enhance the bonding strength between the cylindrical body of the terminal and the hard plastic injection part.

[0014] According to another exemplary embodiment of the present utility model, indentations, impressions, grooves, protrusions or rolling patterns are formed on at least a part of the surface of the soft material injection area of the cylindrical body of the terminal; and / or indentations, impressions, grooves, protrusions or rolling patterns are formed on at least a part of the surface of the hard material injection area of the cylindrical body of the terminal.

[0015] According to another exemplary embodiment of the present utility model, through holes for engaging with the soft injection molded part are formed on the peripheral wall of the soft material injection area of the cylindrical body of the terminal to increase the bonding strength between the cylindrical body of the terminal and the soft injection molded part; and / or through holes for engaging with the hard injection molded part are formed on the peripheral wall of the hard material injection area of the cylindrical body of the terminal to increase the bonding strength between the cylindrical body of the terminal and the hard injection molded part.

[0016] According to another exemplary embodiment of the present utility model, a plurality of contact elastic arms are formed on the peripheral wall of the front part of the cylindrical body of the terminal. The plurality of contact elastic arms are spaced apart in the circumferential direction of the cylindrical body and obliquely extend into the inner cavity of the cylindrical body to be in electrical contact with a mating terminal inserted into the inner cavity of the cylindrical body of the terminal.

[0017] According to another exemplary embodiment of the present utility model, a locking elastic piece is formed on the peripheral wall of the cylindrical body of the terminal. The locking elastic piece is located at the middle part of the cylindrical body and extends obliquely outwards for locking the terminal in the mounting hole of the housing.

[0018] According to another exemplary embodiment of the present utility model, the terminal further includes a connecting part connected to the rear end of the cylindrical body. The connecting part extends out of the hard injection molded part for electrical connection to a cable.

[0019] According to another exemplary embodiment of the present utility model, the connecting part of the terminal is flat and suitable for being welded to one end of the cable for electrical connection to the cable.

[0020] According to another exemplary embodiment of the present utility model, the connecting part of the terminal is suitable for being crimped to one end of the cable for electrical connection to the cable.

[0021] According to another exemplary embodiment of the present utility model, the hard injection molded part is injection molded onto the cylindrical body of the terminal by an insert injection method, the soft injection molded part is injection molded onto the cylindrical body of the terminal by an overmolding method, and the soft injection molded part is injection molded onto the cylindrical body of the terminal after the hard injection molded part is injection molded onto the cylindrical body of the terminal.

[0022] According to another aspect of the present utility model, there is provided an electrical connection component. The electrical connection component includes: the aforementioned terminal product, the terminal of which has a connection portion connected to the rear end of the cylindrical main body; and a cable, which is electrically connected to the connection portion of the terminal.

[0023] According to another aspect of the present utility model, there is provided an electrical connection product. The electrical connection product includes: a housing formed with a mounting hole; and the aforementioned terminal product or the aforementioned electrical connection component, the terminal product is inserted into the mounting hole of the housing, the rigid injection molded part cooperates with the housing, and the soft injection molded part seals the mounting hole of the housing.

[0024] According to an exemplary embodiment of the present utility model, the electrical connection product is a connector, a charging base or a charging gun.

[0025] In the foregoing various exemplary embodiments according to the present utility model, the rigid injection molded part injection molded on the cylindrical main body of the integrally stamped terminal is used as the mounting structure for cooperating with the housing. Therefore, the present utility model expands the application range of the integrally stamped terminal. In addition, the present utility model uses the integrally stamped terminal to replace the traditional machined terminal, reducing the manufacturing cost.

[0026] Through the description of the present utility model with reference to the accompanying drawings hereinafter, other objects and advantages of the present utility model will be obvious and can help to have a comprehensive understanding of the present utility model. Description of the Drawings

[0027] Figure 1 A perspective schematic view of the terminal product according to an exemplary embodiment of the present utility model when viewed from one direction;

[0028] Figure 2 A perspective schematic view of the terminal product according to an exemplary embodiment of the present utility model when viewed from another direction;

[0029] Figure 3 An exploded schematic view of the terminal product according to an exemplary embodiment of the present utility model;

[0030] Figure 4 A perspective schematic view of the terminal of the terminal product according to an exemplary embodiment of the present utility model;

[0031] Figure 5 A perspective schematic view of the terminal product according to an exemplary embodiment of the present utility model, wherein the soft injection molded part has not been injection molded onto the cylindrical main body of the terminal yet;

[0032] Figure 6Shows a plan view of a terminal product according to an exemplary embodiment of the present utility model, where the soft injection molded part has not yet been injection molded onto the cylindrical body of the terminal;

[0033] Figure 7 Shows a three-dimensional schematic view of a terminal product according to an exemplary embodiment of the present utility model;

[0034] Figure 8 Shows a plan view of a terminal product according to an exemplary embodiment of the present utility model;

[0035] Figure 9 Shows a cross-sectional view of a terminal product according to an exemplary embodiment of the present utility model. Detailed implementation manners

[0036] The technical solution of the present utility model will be further specifically described below through embodiments in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present utility model with reference to the accompanying drawings is intended to explain the overall inventive concept of the present utility model and should not be construed as a limitation of the present utility model.

[0037] In addition, in the following detailed description, for the sake of explanation, many specific details are set forth to provide a thorough understanding of the embodiments disclosed herein. However, it is obvious that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

[0038] According to an overall inventive concept of the present utility model, a terminal product is provided. The terminal product includes: a terminal, which is a one-piece stamping part and has a cylindrical body; a hard injection molded part, which is injection molded onto the cylindrical body of the terminal; and a soft injection molded part, which is injection molded onto the cylindrical body of the terminal. The terminal product is adapted to be inserted into the mounting hole of a housing. The hard injection molded part serves as a mounting structure for cooperating with the housing, and the soft injection molded part serves as a sealing member for sealing the mounting hole of the housing.

[0039] According to another overall inventive concept of the present utility model, an electrical connection assembly is provided. The electrical connection assembly includes: the aforementioned terminal product, whose terminal has a connection part connected to the rear end of the cylindrical body; and a cable, which is electrically connected to the connection part of the terminal.

[0040] According to another general inventive concept of the present utility model, an electrical connection product is provided. The electrical connection product includes: a housing formed with a mounting hole; and the aforementioned terminal product or the aforementioned electrical connection assembly. The terminal product is inserted into the mounting hole of the housing, the rigid injection molded part cooperates with the housing, and the soft injection molded part seals the mounting hole of the housing.

[0041] Figure 1 Show a perspective schematic view of the terminal product 100 according to an exemplary embodiment of the present utility model when viewed from one direction; Figure 2 Show a perspective schematic view of the terminal product 100 according to an exemplary embodiment of the present utility model when viewed from another direction; Figure 3 Show an exploded schematic view of the terminal product 100 according to an exemplary embodiment of the present utility model; Figure 4 Show a perspective schematic view of the terminal of the terminal product 100 according to an exemplary embodiment of the present utility model; Figure 5 Show a perspective schematic view of the terminal product 100 according to an exemplary embodiment of the present utility model, wherein the soft injection molded part 30 has not been injection molded onto the cylindrical main body 10 of the terminal 1 yet; Figure 6 Show a planar schematic view of the terminal product 100 according to an exemplary embodiment of the present utility model, wherein the soft injection molded part 30 has not been injection molded onto the cylindrical main body 10 of the terminal 1 yet; Figure 7 Show a perspective schematic view of the terminal product 100 according to an exemplary embodiment of the present utility model; Figure 8 Show a planar schematic view of the terminal product 100 according to an exemplary embodiment of the present utility model;

[0042] Figure 9 Show a cross-sectional view of the terminal product 100 according to an exemplary embodiment of the present utility model.

[0043] As Figures 1 to 9 Shown, in an exemplary embodiment of the present utility model, a terminal product 100 is disclosed. The terminal product 100 includes: a terminal 1, a rigid injection molded part 20, and a soft injection molded part 30. The terminal 1 is an integrally stamped part and has a cylindrical main body 10. The rigid injection molded part 20 is injection molded onto the cylindrical main body 10 of the terminal 1. The soft injection molded part 30 is injection molded onto the cylindrical main body 10 of the terminal 1. The terminal product 100 is adapted to be inserted into a mounting hole (not shown) of a housing (not shown), the rigid injection molded part 20 serves as a mounting structure for cooperating with the housing, and the soft injection molded part 30 serves as a seal for sealing the mounting hole of the housing.

[0044] As Figures 1 to 9As shown, in the illustrated embodiment, the cylindrical body 10 of the terminal 1 has a front portion and a rear portion that are opposite to each other in its axial direction. The front portion of the cylindrical body 10 is for mating with a mating terminal (not shown). The rigid injection molded part 20 and the soft injection molded part 30 are injection molded on the rear portion of the cylindrical body 10 of the terminal 1.

[0045] As Figures 1 to 9 shown, in the illustrated embodiment, a slot hole 11 is formed in the rear portion of the cylindrical body 10 of the terminal 1. The rigid injection molding material for forming the rigid injection molded part 20 and the soft injection molding material for forming the soft injection molded part 30 enter the inner cavity of the rear portion of the cylindrical body 10 through the slot hole 11 and seal the inner cavity of the rear portion of the cylindrical body 10.

[0046] As Figures 1 to 9 shown, in the illustrated embodiment, the slot hole 11 includes a front slot hole 11a and a rear slot hole 11b that are spaced opposite to each other in the axial direction of the cylindrical body 10. The rigid injection molded part 20 includes a front rigid injection molded body 21 and a rear rigid injection molded body 22 that are respectively located at the front slot hole 11a and the rear slot hole 11b. The front rigid injection molded body 21 and the rear rigid injection molded body 22 are spaced apart by a predetermined distance in the axial direction of the cylindrical body 10, and the soft injection molded part 30 is located between the front rigid injection molded body 21 and the rear rigid injection molded body 22.

[0047] As Figures 1 to 9 shown, in the illustrated embodiment, the front slot hole 11a and the rear slot hole 11b are in an arc shape extending along the circumferential direction of the cylindrical body 10. The cylindrical body 10 has an arc-shaped bridge portion 12 located between the front slot hole 11a and the rear slot hole 11b, and the arc-shaped bridge portion 12 is embedded in the soft injection molded part 30.

[0048] As Figures 1 to 9 shown, in the illustrated embodiment, the front end and the rear end of the soft injection molded part 30 are respectively combined with the front rigid injection molded body 21 and the rear rigid injection molded body 22. A plurality of annular sealing ribs 30a are axially spaced and distributed on the outer peripheral surface of the soft injection molded part 30, and the plurality of annular sealing ribs 30a are used for interference fit with the inner wall surface of the mounting hole of the housing to seal the mounting hole.

[0049] As Figures 1 to 9 shown, in the illustrated embodiment, the cylindrical body 10 has a soft material injection molding area combined with the soft injection molded part 30. A layer of sealant is applied on the surface of the soft material injection molding area of the cylindrical body 10, and the sealant is combined between the cylindrical body 10 and the soft injection molded part 30.

[0050] As Figures 1 to 9 shown, in the illustrated embodiment, the cylindrical body 10 has a hard material injection molding area combined with the rigid injection molded part 20. A layer of sealant is applied on the surface of the hard material injection molding area of the cylindrical body 10, and the sealant is combined between the cylindrical body 10 and the rigid injection molded part 20.

[0051] As shown Figures 1 to 9 in the illustrated embodiment, a hydrophilic coating is formed on the surface of the soft material injection molding area of the cylindrical body 10 of the terminal 1, and the sealant is applied on the hydrophilic coating. A hydrophilic coating is formed on the surface of the hard material injection molding area of the cylindrical body 10 of the terminal 1, and the sealant is applied on the hydrophilic coating.

[0052] As shown Figures 1 to 9 in the illustrated embodiment, the aforementioned hydrophilic coating may be a tin coating or a silver coating electroplated on the surface of the soft material injection molding area and / or the hard material injection molding area of the cylindrical body 10 of the terminal 1.

[0053] As shown Figures 1 to 9 in the illustrated embodiment, at least a part of the surface of the soft material injection molding area of the cylindrical body 10 of the terminal 1 is a rough surface with unevenness to enhance the bonding strength between the cylindrical body 10 of the terminal 1 and the soft injection molded part 30. At least a part of the surface of the hard material injection molding area of the cylindrical body 10 of the terminal 1 is a rough surface with unevenness to enhance the bonding strength between the cylindrical body 10 of the terminal 1 and the hard injection molded part 20.

[0054] As shown Figures 1 to 9 in the illustrated embodiment, scratches, indentations, grooves, protrusions or rolling patterns 10a are formed on at least a part of the surface of the soft material injection molding area of the cylindrical body 10 of the terminal 1. Similarly, scratches, indentations, grooves, protrusions or rolling patterns 10a may also be formed on at least a part of the surface of the hard material injection molding area of the cylindrical body 10 of the terminal 1.

[0055] As shown Figures 1 to 9 in the illustrated embodiment, through holes 10b for engaging with the soft injection molded part 30 are formed on the peripheral wall of the soft material injection molding area of the cylindrical body 10 of the terminal 1 to increase the bonding strength between the cylindrical body 10 of the terminal 1 and the soft injection molded part 30. Through holes 10b for engaging with the hard injection molded part 20 are formed on the peripheral wall of the hard material injection molding area of the cylindrical body 10 of the terminal 1 to increase the bonding strength between the cylindrical body 10 of the terminal 1 and the hard injection molded part 20.

[0056] As shown Figures 1 to 9 in the illustrated embodiment, a plurality of contact spring arms 13 are formed on the peripheral wall of the front part of the cylindrical body 10 of the terminal 1, and the plurality of contact spring arms 13 are spaced apart in the circumferential direction of the cylindrical body 10 and obliquely extend into the inner cavity of the cylindrical body 10 to make electrical contact with the mating terminal inserted into the inner cavity of the cylindrical body 10 of the terminal 1.

[0057] As shown Figures 1 to 9As shown, in the illustrated embodiment, a locking spring piece 14 is formed on the peripheral wall of the cylindrical main body 10 of the terminal 1. The locking spring piece 14 is located at the middle part of the cylindrical main body 10 and extends obliquely outward, for locking the terminal 1 in the mounting hole of the housing.

[0058] As Figures 1 to 9 shown, in the illustrated embodiment, the terminal 1 further includes a connecting portion 15 connected to the rear end of the cylindrical main body 10. The connecting portion 15 extends out from the hard injection molding part 20, for electrically connecting to a cable (not shown).

[0059] As Figures 1 to 9 shown, in the illustrated embodiment, the connecting portion 15 of the terminal 1 is flat and suitable for being welded to one end of the cable to electrically connect with the cable. However, the present utility model is not limited thereto. For example, the connecting portion 15 of the terminal 1 is suitable for being crimped to one end of the cable to electrically connect with the cable.

[0060] As Figures 1 to 9 shown, in the illustrated embodiment, the hard injection molding part 20 is injection molded onto the cylindrical main body 10 of the terminal 1 by insert injection molding, the soft injection molding part 30 is injection molded onto the cylindrical main body 10 of the terminal 1 by overmolding, and the soft injection molding part 30 is injection molded onto the cylindrical main body 10 of the terminal 1 after the hard injection molding part 20 is injection molded onto the cylindrical main body 10 of the terminal 1.

[0061] As Figures 1 to 9 shown, in another exemplary embodiment of the present utility model, an electrical connection assembly is also disclosed. The electrical connection assembly includes: a terminal product 100 and a cable. The terminal 1 of the terminal product 100 has a connecting portion 15 connected to the rear end of the cylindrical main body 10. The cable is electrically connected to the connecting portion 15 of the terminal 1.

[0062] As Figures 1 to 9 shown, in another exemplary embodiment of the present utility model, an electrical connection product (not shown) is also disclosed. The electrical connection product includes: a housing, a terminal product 100 or the aforementioned electrical connection assembly. An installation hole is formed in the housing. The terminal product 100 is inserted into the installation hole of the housing, the hard injection molding part 20 cooperates with the housing, and the soft injection molding part 30 seals the installation hole of the housing.

[0063] As Figures 1 to 9 shown, in the illustrated embodiment, the electrical connection product can be a connector, a charging base or a charging gun.

[0064] Those skilled in the art can understand that the above-described embodiments are all exemplary, and those skilled in the art can make improvements to them. The structures described in various embodiments can be freely combined without conflict in terms of structure or principle, and these changes should reasonably fall within the protection scope of the present utility model.

[0065] Although the present utility model has been described with reference to the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplarily illustrate the preferred embodiments of the present utility model and should not be construed as a limitation to the present utility model.

[0066] Although some embodiments of the general concept of the present utility model have been shown and described, those of ordinary skill in the art will understand that changes may be made to these embodiments without departing from the principles and spirit of the general concept of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

[0067] It should be noted that the phrase "comprising" does not exclude other elements or steps, and the phrases "a" or "an" do not exclude a plurality. Additionally, any element numbers in the claims should not be construed as limiting the scope of the present utility model.

Claims

1. A terminal product, characterized in that, Comprising: A terminal (1), which is an integrally stamped part and has a cylindrical main body (10); A rigid injection molded part (20), which is injection molded onto the cylindrical main body (10) of the terminal (1); And A soft injection molded part (30), which is injection molded onto the cylindrical main body (10) of the terminal (1), The terminal product (100) is adapted to be inserted into the mounting hole of the housing, the rigid injection molded part (20) serves as a mounting structure for cooperating with the housing, and the soft injection molded part (30) serves as a seal for sealing the mounting hole of the housing.

2. The terminal product according to claim 1, wherein: The cylindrical main body (10) of the terminal (1) has a front part and a rear part that are opposite in its axial direction, and the front part of the cylindrical main body (10) is used for mating with a mating terminal; The rigid injection molded part (20) and the soft injection molded part (30) are injection molded on the rear part of the cylindrical main body (10) of the terminal (1).

3. The terminal product according to claim 2, wherein: A slot hole (11) is formed on the rear part of the cylindrical main body (10) of the terminal (1), and the rigid injection molding material for forming the rigid injection molded part (20) and the soft injection molding material for forming the soft injection molded part (30) enter the inner cavity of the rear part of the cylindrical main body (10) through the slot hole (11) and seal the inner cavity of the rear part of the cylindrical main body (10).

4. The terminal product according to claim 3, wherein: The slot hole (11) includes a front slot hole (11a) and a rear slot hole (11b) that are spaced relatively in the axial direction of the cylindrical main body (10), and the rigid injection molded part (20) includes a front rigid injection molded body (21) and a rear rigid injection molded body (22) that are respectively located at the front slot hole (11a) and the rear slot hole (11b); The front rigid injection molded body (21) and the rear rigid injection molded body (22) are spaced apart by a predetermined distance in the axial direction of the cylindrical main body (10), and the soft injection molded part (30) is located between the front rigid injection molded body (21) and the rear rigid injection molded body (22).

5. The terminal product according to claim 4, wherein: The front slot hole (11a) and the rear slot hole (11b) are in an arc shape extending along the circumferential direction of the cylindrical main body (10), and the cylindrical main body (10) has an arc-shaped bridge part (12) located between the front slot hole (11a) and the rear slot hole (11b), and the arc-shaped bridge part (12) is embedded in the soft injection molded part (30).

6. The terminal product according to claim 4, wherein: The front end and the rear end of the soft injection molded part (30) are respectively combined with the front rigid injection molded body (21) and the rear rigid injection molded body (22); A plurality of annular sealing ribs (30a) are axially spaced and distributed on the outer peripheral surface of the soft injection molded part (30), and the plurality of annular sealing ribs (30a) are used for interference fit with the inner wall surface of the mounting hole of the housing to seal the mounting hole.

7. The terminal product according to any one of claims 1-6, wherein: The cylindrical body (10) has a soft material injection area combined with the soft injection molded part (30). A layer of sealant is applied on the surface of the soft material injection area of the cylindrical body (10), and the sealant is bonded between the cylindrical body (10) and the soft injection molded part (30); and / or The cylindrical body (10) has a hard material injection area combined with the hard injection molded part (20). A layer of sealant is applied on the surface of the hard material injection area of the cylindrical body (10), and the sealant is bonded between the cylindrical body (10) and the hard injection molded part (20).

8. The terminal product according to claim 7, characterized in that: A hydrophilic coating is formed on the surface of the soft material injection area of the cylindrical body (10) of the terminal (1), and the sealant is applied on the hydrophilic coating; and / or A hydrophilic coating is formed on the surface of the hard material injection area of the cylindrical body (10) of the terminal (1), and the sealant is applied on the hydrophilic coating.

9. The terminal product according to claim 8, characterized in that: The hydrophilic coating is a tin coating or a silver coating electroplated on the surface of the soft material injection area and / or the hard material injection area of the cylindrical body (10) of the terminal (1).

10. The terminal product according to claim 7, characterized in that: At least a part of the surface of the soft material injection area of the cylindrical body (10) of the terminal (1) is a rough surface with irregularities, so as to enhance the bonding strength between the cylindrical body (10) of the terminal (1) and the soft injection molded part (30); and / or At least a part of the surface of the hard material injection area of the cylindrical body (10) of the terminal (1) is a rough surface with irregularities, so as to enhance the bonding strength between the cylindrical body (10) of the terminal (1) and the hard injection molded part (20).

11. The terminal product according to claim 10, characterized in that: Scratches, indentations, grooves, protrusions or rolling patterns (10a) are formed on at least a part of the surface of the soft material injection area of the cylindrical body (10) of the terminal (1); and / or Scratches, indentations, grooves, protrusions or rolling patterns (10a) are formed on at least a part of the surface of the hard material injection area of the cylindrical body (10) of the terminal (1).

12. The terminal product according to claim 7, characterized in that: Through holes (10b) for engaging with the soft injection molded part (30) are formed on the peripheral wall of the soft material injection area of the cylindrical body (10) of the terminal (1), so as to increase the bonding strength between the cylindrical body (10) of the terminal (1) and the soft injection molded part (30); and / or Through holes (10b) for engaging with the hard injection molded part (20) are formed on the peripheral wall of the hard material injection area of the cylindrical body (10) of the terminal (1), so as to increase the bonding strength between the cylindrical body (10) of the terminal (1) and the hard injection molded part (20).

13. The terminal product according to claim 2, wherein: On the peripheral wall of the front part of the cylindrical main body (10) of the terminal (1), a plurality of contact elastic arms (13) are formed. The plurality of contact elastic arms (13) are spaced apart in the circumferential direction of the cylindrical main body (10) and obliquely extend into the inner cavity of the cylindrical main body (10) to make electrical contact with a mating terminal inserted into the inner cavity of the cylindrical main body (10) of the terminal (1).

14. The terminal product according to claim 1, wherein: On the peripheral wall of the cylindrical main body (10) of the terminal (1), a locking elastic piece (14) is formed. The locking elastic piece (14) is located at the middle part of the cylindrical main body (10) and extends obliquely outwards for locking the terminal (1) in the mounting hole of the housing.

15. The terminal product according to claim 1, wherein: The terminal (1) further includes a connecting portion (15) connected to the rear end of the cylindrical main body (10). The connecting portion (15) extends out from the rigid injection molding part (20) for electrical connection to a cable.

16. The terminal product according to claim 15, wherein: The connecting portion (15) of the terminal (1) is flat and suitable for being welded to one end of the cable for electrical connection to the cable.

17. The terminal product according to claim 15, wherein: The connecting portion (15) of the terminal (1) is suitable for being crimped to one end of the cable for electrical connection to the cable.

18. The terminal product according to claim 1, wherein: The rigid injection molding part (20) is injection molded onto the cylindrical main body (10) of the terminal (1) by insert injection molding. The soft injection molding part (30) is injection molded onto the cylindrical main body (10) of the terminal (1) by overmolding. And the soft injection molding part (30) is injection molded onto the cylindrical main body (10) of the terminal (1) after the rigid injection molding part (20) is injection molded onto the cylindrical main body (10) of the terminal (1).

19. An electrical connection component, characterized in that, Comprising: The terminal product (100) according to any one of claims 1 - 18, whose terminal (1) has a connecting portion (15) connected to the rear end of the cylindrical main body (10); and A cable, electrically connected to the connecting portion (15) of the terminal (1).

20. An electrical connection product, characterized in that, Comprising: A housing, formed with a mounting hole; And The terminal product (100) according to any one of claims 1 - 18 or the electrical connection assembly according to claim 19, The terminal product (100) is inserted into the mounting hole of the housing. The rigid injection molding part (20) cooperates with the housing, and the soft injection molding part (30) seals the mounting hole of the housing.

21. The electrical connection product according to claim 20, wherein: The electrical connection product is a connector, a charging base or a charging gun.

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