Terminal products, electrical connection assemblies, and electrical connection products

Abstract

This invention discloses terminal products, electrical connection assemblies, and electrical connection products. [Solution] The terminal product 100 comprises a terminal 1 which is a one-piece stamped part and has a cylindrical body, a hard injection molded part 20 injected into the cylindrical body of the terminal 1, and a soft injection molded part 30 injected into the cylindrical body of the terminal 1. The terminal product 100 is suitable for insertion into a mounting hole of a housing, the hard injection molded part 20 is used as a mounting structure for fitting with the housing, and the soft injection molded part 30 is used as a sealing element for sealing the mounting hole of the housing.

Description

Technical Field

[0001] Cross - reference to related applications This application claims the benefit of Chinese Patent Application No. CN202422274083.5, filed on September 18, 2024, with the State Intellectual Property Office of China, the entire disclosure of which is incorporated herein by reference.

[0002] The present invention relates to a terminal product, an electrical connection assembly including the terminal product, and an electrical connection product including the terminal product or the electrical connection assembly.

Background Art

[0003] In the prior art, in order to reduce manufacturing costs, generally, an integrally punched terminal is used. However, the rear end portion of the integrally punched terminal does not have a structure suitable for attachment to the housing. Therefore, the existing integrally punched terminals cannot be used for some applications and require the use of machined terminals. However, the cost of machined terminals is relatively high.

Summary of the Invention

Problems to be Solved by the Invention

[0004] The present invention is made to overcome or mitigate at least one aspect of the above - mentioned disadvantages.

Means for Solving the Problems

[0005] According to one aspect of the present invention, a terminal product is provided. The terminal product includes a terminal that is an integrally punched part and has a cylindrical body, a hard injection - molded part injected onto the cylindrical body of the terminal, and a soft injection - molded part injected onto the cylindrical body of the terminal. The terminal product is suitable for insertion into the mounting hole of the housing. The hard injection - molded part is used as an attachment structure for fitting with the housing, and the soft injection - molded part is used as a sealing element for sealing the mounting hole of the housing.

[0006] According to an exemplary embodiment of the present invention, the cylindrical body of the terminal has a front portion and a rear portion opposite each other in the axial direction of the cylindrical body, the front portion of the cylindrical body being used for mating with a mating terminal, and a hard injection molded portion and a soft injection molded portion being injected into the rear portion of the cylindrical body of the terminal.

[0007] According to another exemplary embodiment of the present invention, a slot is formed in the rear of the cylindrical body of the terminal, and hard injection material for forming a hard injection molded portion and soft injection material for forming a soft injection molded portion enter the internal cavity at the rear of the cylindrical body through the slot, sealing the internal cavity at the rear of the cylindrical body.

[0008] According to another exemplary embodiment of the present invention, the slot hole comprises a front slot hole and a rear slot hole arranged oppositely to each other in the axial direction of the cylindrical body, the hard injection molding section comprises a front hard injection molded body arranged in the front slot hole and a rear hard injection molded body arranged in the rear slot hole, the front hard injection molded body and the rear hard injection molded body are arranged at a predetermined distance apart in the axial direction of the cylindrical body, and the soft injection molding section is arranged between the front hard injection molded body and the rear hard injection molded body.

[0009] According to another exemplary embodiment of the present invention, the front and rear slots are arc-shaped extending along the circumference of the cylindrical body, and the cylindrical body has an arc-shaped bridge portion positioned between the front and rear slots and embedded in the soft injection molded portion.

[0010] According to another exemplary embodiment of the present invention, the front and rear ends of the flexible injection-molded section are coupled to a front rigid injection-molded body and a rear rigid injection-molded body, respectively, and a plurality of annular sealing ribs are formed on the outer circumferential surface of the flexible injection-molded section in an axially spaced arrangement, and the plurality of annular sealing ribs are used for interlocking with the inner wall surface of the mounting hole of the housing in order to seal the mounting hole.

[0011] According to another exemplary embodiment of the present invention, the cylindrical body has a soft material injection zone to be joined to a soft injection molded portion, and a layer of sealant is applied to the surface of the soft material injection zone of the cylindrical body, and the sealant is bonded between the cylindrical body and the soft injection molded portion, and / or the cylindrical body has a hard material injection zone to be joined to a hard injection molded portion, and a layer of sealant is applied to the surface of the hard material injection zone of the cylindrical body, and the sealant is bonded between the cylindrical body and the hard injection molded portion.

[0012] According to another exemplary embodiment of the present invention, a hydrophilic coating is formed on the surface of a soft material injection-molded zone of the cylindrical body of the terminal, and a sealant is applied to the hydrophilic coating, and / or a hydrophilic coating is formed on the surface of a hard material injection-molded zone of the cylindrical body of the terminal, and a sealant is applied to the hydrophilic coating.

[0013] According to another exemplary embodiment of the present invention, the hydrophilic coating is an electroplated tin or silver coating on the surface of the soft material injection zone of the terminal cylinder and / or the surface of the hard material injection zone of the terminal cylinder.

[0014] According to another exemplary embodiment of the present invention, at least a portion of the surface of the soft material injection-molded zone of the terminal cylinder is a rough and uneven surface to enhance the bonding strength between the terminal cylinder and the soft injection-molded portion, and / or at least a portion of the surface of the hard material injection-molded zone of the terminal cylinder is a rough and uneven surface to enhance the bonding strength between the terminal cylinder and the hard injection-molded portion.

[0015] According to another exemplary embodiment of the present invention, at least a portion of the surface of the soft material injection-molded zone of the cylindrical body of the terminal is formed with scratches, indentations, grooves, protrusions or rolled patterns, and / or at least a portion of the surface of the hard material injection-molded zone of the cylindrical body of the terminal is formed with scratches, indentations, grooves, protrusions or rolled patterns.

[0016] According to another exemplary embodiment of the present invention, through holes for joining with a soft injection-molded portion are formed in the circumferential wall of the soft material injection-molded zone of the terminal cylinder to increase the joint strength between the terminal cylinder and the soft injection-molded portion, and / or through holes for joining with a hard injection-molded portion are formed in the circumferential wall of the hard material injection-molded zone of the terminal cylinder to increase the joint strength between the terminal cylinder and the hard injection-molded portion.

[0017] According to another exemplary embodiment of the present invention, a plurality of contact spring arms are formed on the circumferential wall of the front portion of the cylindrical body of the terminal, the plurality of contact spring arms are spaced apart in the circumferential direction of the cylindrical body, and extend obliquely into the internal cavity of the cylindrical body to make electrical contact with a mating terminal that is inserted into the internal cavity of the cylindrical body of the terminal.

[0018] According to another exemplary embodiment of the present invention, a locking spring is formed on the circumferential wall of the cylindrical body of the terminal, and the locking spring is located in the middle of the cylindrical body, extends outward at a certain angle of inclination, and is used to lock the terminal into a mounting hole in the housing.

[0019] According to another exemplary embodiment of the present invention, the terminal further comprises a connector connected to the rear end of a cylindrical body, the connector extending outward from the rigid injection-molded portion for electrical connection with a cable.

[0020] According to another exemplary embodiment of the present invention, the terminal connection is flat and suitable for welding to one end of a cable for electrical connection with the cable.

[0021] According to another exemplary embodiment of the present invention, the terminal connector is adapted to be crimped onto one end of a cable for electrical connection with the cable.

[0022] According to another exemplary embodiment of the present invention, the rigid injection molded part is injected into the cylindrical body of the terminal by insert injection molding, the soft injection molded part is injected into the cylindrical body of the terminal by overmolding, and the soft injection molded part is injected into the cylindrical body of the terminal after the rigid injection molded part is injected into the cylindrical body of the terminal.

[0023] According to another aspect of the present invention, an electrical connection assembly is provided. The electrical connection assembly is the terminal product described above, and the terminal includes the above-mentioned terminal product having a connection part connected to the rear end of the cylindrical body and a cable electrically connected to the connection part of the terminal.

[0024] According to another aspect of the present invention, an electrical connection product is provided. The electrical connection product includes a housing with mounting holes formed therein and the above-mentioned terminal product or the above-mentioned electrical connection assembly. The terminal product is inserted into the mounting holes of the housing, the rigid injection molded part is fitted with the housing, and the soft injection molded part seals the mounting holes of the housing.

[0025] According to an exemplary embodiment of the present invention, the electrical connection product is a connector, a charging dock, or a charging gun.

[0026] In the above exemplary embodiment according to the present invention, the rigid injection molded part injected into the cylindrical body of the integral stamping terminal is used as a mounting structure for fitting with the housing. Therefore, the present invention expands the application range of the integral stamping terminal. In addition, the present invention reduces the manufacturing cost by replacing the conventional machined terminal with an integral stamping terminal.

[0027] The above other features of the present invention will become more apparent by describing the exemplary embodiments of the present invention in detail with reference to the accompanying drawings.

Brief Description of the Drawings

[0028] [Figure 1] It is a perspective view for explaining a terminal product according to an exemplary embodiment of the present invention when viewed from one direction. [Figure 2]This is a perspective view illustrating a terminal product according to an exemplary embodiment of the present invention, as seen from a different direction. [Figure 3] This is an exploded view illustrating a terminal product according to an exemplary embodiment of the present invention. [Figure 4] This is a perspective view illustrating the terminals of a terminal product according to an exemplary embodiment of the present invention. [Figure 5] This is a perspective view illustrating a terminal product according to an exemplary embodiment of the present invention, where the soft injection-molded portion has not yet been injected into the cylindrical body of the terminal. [Figure 6] This is a plan view illustrating a terminal product according to an exemplary embodiment of the present invention, in which the soft injection-molded portion has not yet been injected into the cylindrical body of the terminal. [Figure 7] This is a perspective view illustrating a terminal product according to an exemplary embodiment of the present invention. [Figure 8] This is a plan view illustrating a terminal product according to an exemplary embodiment of the present invention. [Figure 9] This is a cross-sectional view of a terminal product according to an exemplary embodiment of the present invention. [Modes for carrying out the invention]

[0029] Exemplary embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. In the drawings, similar reference numerals refer to similar elements. However, the present disclosure may be implemented in numerous different forms and should not be construed as being limited to the embodiments described herein. Rather, these embodiments are provided to make the present disclosure thorough and complete and will fully convey the concepts of the present disclosure to those skilled in the art.

[0030] In the following detailed description, for illustrative purposes, numerous specific details are included to provide a complete understanding of the embodiments of the disclosure. However, it will be apparent that one or more embodiments may be carried out without these specific details. In another example, for the sake of simplicity in the drawings, well-known structures and devices are shown schematically.

[0031] According to the general concept of the present invention, a terminal product is provided. The terminal product comprises a terminal which is a one-piece stamped part having a cylindrical body, a hard injection molded part injected into the cylindrical body of the terminal, and a soft injection molded part injected into the cylindrical body of the terminal. The terminal product is suitable for insertion into a mounting hole of a housing, the hard injection molded part is used as a mounting structure for mating with the housing, and the soft injection molded part is used as a sealing element for sealing the mounting hole of the housing.

[0032] According to another general concept of the present invention, an electrical connection assembly is provided. The electrical connection assembly is the terminal product described above, the terminal comprising the terminal product described above having a connecting portion connected to the rear end of a cylindrical body, and a cable electrically connected to the connecting portion of the terminal.

[0033] According to other general concepts of the present invention, an electrical connection product is provided. The electrical connection product comprises a housing having a mounting hole formed therein, and the terminal product or electrical connection assembly described above. The terminal product is inserted into the mounting hole of the housing, a rigid injection-molded portion which fits with the housing, and a flexible injection-molded portion which seals the mounting hole of the housing.

[0034] Figure 1 is an explanatory perspective view of the terminal product 100 according to an exemplary embodiment of the present invention, viewed from one direction; Figure 2 is an explanatory perspective view of the terminal product 100 according to an exemplary embodiment of the present invention, viewed from another direction; Figure 3 is an explanatory exploded view of the terminal product 100 according to an exemplary embodiment of the present invention; Figure 4 is an explanatory perspective view of the terminal of the terminal product 100 according to an exemplary embodiment of the present invention; Figure 5 is an explanatory perspective view of the terminal product 100 according to an exemplary embodiment of the present invention, where the soft injection molded part 30 has not yet been injected into the cylindrical body 10 of the terminal 1; Figure 6 is an explanatory plan view of the terminal product 100 according to an exemplary embodiment of the present invention, where the soft injection molded part 30 has not yet been injected into the cylindrical body 10 of the terminal 1; Figure 7 is an explanatory perspective view of the terminal product 100 according to an exemplary embodiment of the present invention; Figure 8 is an explanatory plan view of the terminal product 100 according to an exemplary embodiment of the present invention; and Figure 9 is a cross-sectional view of the terminal product 100 according to an exemplary embodiment of the present invention.

[0035] As shown in Figures 1 to 9, an exemplary embodiment of the present invention discloses a terminal product 100. The terminal product 100 includes a terminal 1, a rigid injection molded portion 20, and a flexible injection molded portion 30. The terminal 1 is a one-piece stamped part including a cylindrical body 10. The rigid injection molded portion 20 is injected into the cylindrical body 10 of the terminal 1. The flexible injection molded portion 30 is injected into the cylindrical body 10 of the terminal 1. The terminal product 100 is suitable for insertion into a mounting hole (not shown) of a housing (not shown), the rigid injection molded portion 20 is used as a mounting structure for mating with the housing, and the flexible injection molded portion 30 is used as a sealing element for sealing the mounting hole of the housing.

[0036] As shown in Figures 1 to 9, in the illustrated embodiment, the cylindrical body 10 of terminal 1 has a front portion and a rear portion that are opposite each other in the axial direction. The front portion of the cylindrical body 10 is used to mate with a mating terminal (not shown). The hard injection molded portion 20 and the soft injection molded portion 30 are injected into the rear portion of the cylindrical body 10 of terminal 1.

[0037] As shown in Figures 1 to 9, in the illustrated embodiment, the slot hole 11 is formed at the rear of the cylindrical body 10 of the terminal 1. The hard injection material used to form the hard injection molded part 20 and the soft injection material used to form the soft injection molded part 30 enter the internal cavity at the rear of the cylindrical body 10 through the slot hole 11, sealing the internal cavity at the rear of the cylindrical body 10.

[0038] As shown in Figures 1 to 9, in the illustrated embodiment, the slot hole 11 includes a front slot hole 11a and a rear slot hole 11b, which are spaced opposite to each other in the axial direction of the cylindrical body 10. The hard injection molding section 20 includes a front hard injection molded body 21 positioned in the front slot hole 11a and a rear hard injection molded body 22 positioned in the rear slot hole 11b. The front hard injection molded body 21 and the rear hard injection molded body 22 are spaced at a predetermined distance from each other in the axial direction of the cylindrical body 10, and the soft injection molding section 30 is positioned between the front hard injection molded body 21 and the rear hard injection molded body 22.

[0039] As shown in Figures 1 to 9, in the illustrated embodiment, the front slot hole 11a and the rear slot hole 11b are arc-shaped and extend along the circumference of the cylindrical body 10. The cylindrical body 10 has an arc-shaped bridge portion 12 that is positioned between the front slot hole 11a and the rear slot hole 11b and embedded in the soft injection molded portion 30.

[0040] As shown in Figures 1 to 9, in the illustrated embodiment, the front and rear ends of the soft injection molded section 30 are connected to the front hard injection molded body 21 and the rear hard injection molded body 22, respectively. Multiple annular seal ribs 30a are formed on the outer circumferential surface of the soft injection molded section 30 in an axially spaced arrangement. Multiple annular seal ribs 30a are used for interlocking with the inner wall surface of the mounting holes of the housing in order to seal the mounting holes.

[0041] As shown in Figures 1 to 9, in the illustrated embodiment, the cylindrical body 10 has a flexible material injection zone that is joined to the flexible injection section 30. A layer of sealant is applied to the surface of the flexible material injection zone of the cylindrical body 10, and the sealant is bonded between the cylindrical body 10 and the flexible injection section 30.

[0042] As shown in Figures 1 to 9, in the illustrated embodiment, the cylindrical body 10 has a hard material injection zone that is joined to the hard injection molded part 20. A layer of sealant is applied to the surface of the hard material injection zone of the cylindrical body 10, and the sealant is bonded between the cylindrical body 10 and the hard injection molded part 20.

[0043] As shown in Figures 1 to 9, in the illustrated embodiment, a hydrophilic coating is formed on the surface of the soft material injection molding zone of the cylindrical body 10 of terminal 1, and the sealant is applied to the hydrophilic coating. A hydrophilic coating is formed on the surface of the hard material injection molding zone of the cylindrical body 10 of terminal 1, and the sealant is applied to the hydrophilic coating.

[0044] As shown in Figures 1 to 9, in the illustrated embodiment, the hydrophilic coating described above may be an electroplated tin coating or silver coating on the surface of the soft material injection zone of the cylindrical body 10 of the terminal 1 and / or on the surface of the hard material injection zone of the cylindrical body 10 of the terminal 1.

[0045] As shown in Figures 1 to 9, in the illustrated embodiment, at least a portion of the surface of the soft material injection molding zone of the cylindrical body 10 of terminal 1 is a rough and uneven surface to increase the bonding strength between the cylindrical body 10 of terminal 1 and the soft injection molding part 30. At least a portion of the surface of the hard material injection molding zone of the cylindrical body 10 of terminal 1 is a rough and uneven surface to increase the bonding strength between the cylindrical body 10 of terminal 1 and the hard injection molding part 20.

[0046] As shown in Figures 1 to 9, in the illustrated embodiment, scratches, indentations, grooves, protrusions, or rolled patterns 10a are formed on at least a portion of the surface of the soft material injection molding zone of the cylindrical body 10 of the terminal 1. Similarly, scratches, indentations, grooves, protrusions, or rolled patterns 10a may be formed on at least a portion of the surface of the hard material injection molding zone of the cylindrical body 10 of the terminal 1.

[0047] As shown in Figures 1 to 9, in the illustrated embodiment, the through-hole 10b is formed in the peripheral wall of the soft material injection molding zone of the cylindrical body 10 of the terminal 1 for joining with the soft injection molding zone 30, in order to increase the bonding strength between the cylindrical body 10 of the terminal 1 and the soft injection molding zone 30. The through-hole 10b is formed in the peripheral wall of the hard material injection molding zone of the cylindrical body 10 of the terminal 1 for joining with the hard injection molding zone 20, in order to increase the bonding strength between the cylindrical body 10 of the terminal 1 and the hard injection molding zone 20.

[0048] As shown in Figures 1 to 9, in the illustrated embodiment, the multiple contact spring arms 13 are formed on the circumferential wall of the front portion of the cylindrical body 10 of the terminal 1. The multiple contact spring arms 13 are distributed at intervals in the circumferential direction of the cylindrical body 10 and extend diagonally into the internal cavity of the cylindrical body 10 so as to make electrical contact with the mating terminal that is inserted into the internal cavity of the cylindrical body 10 of the terminal 1.

[0049] As shown in Figures 1 to 9, in the illustrated embodiment, the locking spring 14 is formed on the peripheral wall of the cylindrical body 10 of the terminal 1. The locking spring 14 is located in the middle of the cylindrical body 10, extends outward at a certain angle, and is used to lock the terminal 1 into the mounting hole of the housing.

[0050] As shown in Figures 1 to 9, in the illustrated embodiment, the terminal 1 is connected to the rear end of the cylindrical body 10 and further includes a connecting portion 15 that extends outward from the rigid injection molded portion 20 for electrical connection with a cable (not shown).

[0051] As shown in Figures 1 to 9, in the illustrated embodiment, the connection portion 15 of terminal 1 is flat and suitable for welding to one end of a cable for electrical connection with the cable. However, the present invention is not limited thereto, and for example, the connection portion 15 of terminal 1 is suitable for crimping to one end of a cable for electrical connection with the cable.

[0052] As shown in Figures 1 to 9, in the illustrated embodiment, the rigid injection molded part 20 is injected into the cylindrical body 10 of the terminal 1 by insert injection molding, the flexible injection molded part 30 is injected into the cylindrical body 10 of the terminal 1 by overmolding, and the flexible injection molded part 30 is injected into the cylindrical body 10 of the terminal 1 after the rigid injection molded part 20 has been injected into the cylindrical body 10 of the terminal 1.

[0053] As shown in Figures 1 to 9, in another exemplary embodiment of the present invention, an electrical connection assembly is further disclosed. The electrical connection assembly includes a terminal product 100 and a cable. Terminal 1 of terminal product 100 has a connection portion 15 connected to the rear end of a cylindrical body 10. The cable is electrically connected to the connection portion 15 of terminal 1.

[0054] As shown in Figures 1 to 9, in another exemplary embodiment of the present invention, an electrical connection product (not shown) is further disclosed. The electrical connection product includes a housing and the terminal product 100 or the electrical connection assembly described above. The housing has a mounting hole formed therein. The terminal product 100 is inserted into the mounting hole of the housing, with a rigid injection-molded portion 20 fitting with the housing and a flexible injection-molded portion 30 sealing the mounting hole of the housing.

[0055] As shown in Figures 1 to 9, in the illustrated embodiments, the electrical connection product may be a connector, a charging dock, or a charging gun.

[0056] Those skilled in the art should understand that the embodiments described above are illustrative and not limiting. For example, those skilled in the art can make many modifications to the embodiments without structural or principle contradictions and can freely combine the various features described in different embodiments.

[0057] While several exemplary embodiments have been illustrated and described, it will be understood by those skilled in the art that various modifications or changes can be made to these embodiments without departing from the principles and spirit of the disclosure. The scope of the disclosure is defined by the claims and their equivalents.

[0058] When used herein, elements described in the singular form and preceded by the word "a" or "an" should be understood not to exclude the plural forms of such elements or steps unless it is explicitly stated that such exclusion is not permitted. Furthermore, references to “one embodiment” of the present invention are not intended to be construed as excluding the existence of additional embodiments that also incorporate the described features. Moreover, unless it is expressly stated otherwise, embodiments that “compile” or “have” one or more elements having a particular characteristic may include additional such elements that do not possess that characteristic.

Claims

1. Terminal products, - A terminal (1) which is a one-piece punched part and has a cylindrical body (10), - The hard injection molded part (20) injected into the cylindrical body (10) of the terminal (1), - The soft injection-molded part (30) injected into the cylindrical body (10) of the terminal (1) and Equipped with, The terminal product (100) is suitable for insertion into the mounting hole of the housing, the hard injection molded portion (20) is used as a mounting structure for fitting with the housing, and the soft injection molded portion (30) is used as a sealing element for sealing the mounting hole of the housing. Terminal products.

2. The cylindrical body (10) of the terminal (1) has a front portion and a rear portion opposite each other in the axial direction of the cylindrical body (10), and the front portion of the cylindrical body (10) is used for mating with the mating terminal. The hard injection molded part (20) and the soft injection molded part (30) are injected into the rear part of the cylindrical body (10) of the terminal (1). The terminal product according to claim 1.

3. A slot hole (11) is formed in the rear part of the cylindrical body (10) of the terminal (1), and hard injection material for forming the hard injection molded part (20) and soft injection material for forming the soft injection molded part (30) enter the internal cavity in the rear part of the cylindrical body (10) from the slot hole (11), sealing the internal cavity in the rear part of the cylindrical body (10). The terminal product according to claim 2.

4. The slot hole (11) comprises a front slot hole (11a) and a rear slot hole (11b) arranged oppositely and spaced apart in the axial direction of the cylindrical body (10), and the hard injection molded section (20) comprises a front hard injection molded body (21) arranged in the front slot hole (11a) and a rear hard injection molded body (22) arranged in the rear slot hole (11b). The front rigid injection molded body (21) and the rear rigid injection molded body (22) are arranged at a predetermined distance apart in the axial direction of the cylindrical body (10), and the soft injection molded section (30) is positioned between the front rigid injection molded body (21) and the rear rigid injection molded body (22). The terminal product according to claim 3.

5. The front slot hole (11a) and the rear slot hole (11b) are arc-shaped and extend along the circumference of the cylindrical body (10), and the cylindrical body (10) has an arc-shaped bridge portion (12) that is positioned between the front slot hole (11a) and the rear slot hole (11b) and embedded in the soft injection molded portion (30). Terminal (1) according to claim 4.

6. The front end and rear end of the soft injection molded section (30) are connected to the front hard injection molded body (21) and the rear hard injection molded body (22), respectively. Multiple annular seal ribs (30a) are formed on the outer circumferential surface of the soft injection-molded portion (30) in an axially spaced arrangement, and the multiple annular seal ribs (30a) are used for interlocking with the inner wall surface of the mounting hole of the housing in order to seal the mounting hole. The terminal product according to claim 4.

7. The cylindrical body (10) has a flexible material injection zone that is joined to the flexible injection molded part (30), a layer of sealant is applied to the surface of the flexible material injection zone of the cylindrical body (10), the sealant is bonded between the cylindrical body (10) and the flexible injection molded part (30), and / or The cylindrical body (10) has a hard material injection zone that is joined to the hard injection molded part (20), and a layer of sealant is applied to the surface of the hard material injection zone of the cylindrical body (10), and the sealant is bonded between the cylindrical body (10) and the hard injection molded part (20). The terminal product according to any one of claims 1 to 6.

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

9. The hydrophilic coating is an electroplated tin or silver coating on the surface of the soft material injection zone of the cylindrical body (10) of the terminal (1) and / or on the surface of the hard material injection zone of the cylindrical body (10) of the terminal (1). The terminal product according to claim 8.

10. At least a portion of the surface of the soft material injection molding zone of the cylindrical body (10) of the terminal (1) is a rough and uneven surface, and / or, to increase the bonding strength between the cylindrical body (10) of the terminal (1) and the soft injection molding portion (30), At least a portion of the surface of the rigid material injection molding zone of the cylindrical body (10) of the terminal (1) is a rough and uneven surface in order to increase the bonding strength between the cylindrical body (10) of the terminal (1) and the rigid injection molding portion (20). The terminal product according to claim 7.

11. At least a portion of the surface of the soft material injection molding zone of the cylindrical body (10) of the terminal (1) has scratches, indentations, grooves, protrusions or rolled patterns (10a) formed on it, and / or At least a portion of the surface of the hard material injection molding zone of the cylindrical body (10) of the terminal (1) has scratches, indentations, grooves, protrusions, or rolled patterns (10a) formed on it. The terminal product according to claim 10.

12. The through-hole (10b) for joining with the soft injection-molded portion (30) is formed in the peripheral wall of the soft material injection-molded zone of the cylindrical body (10) of the terminal (1) in order to increase the bonding strength between the cylindrical body (10) of the terminal (1) and the soft injection-molded portion (30), and / or The through hole (10b) for joining with the hard injection molded part (20) is formed in the peripheral wall of the hard material injection molded zone of the cylindrical body (10) of the terminal (1) in order to increase the bonding strength between the cylindrical body (10) of the terminal (1) and the hard injection molded part (20). The terminal product according to claim 7.

13. Multiple contact spring arms (13) are formed on the circumferential wall of the front portion of the cylindrical body (10) of the terminal (1), and the multiple contact spring arms (13) are distributed at intervals in the circumferential direction of the cylindrical body (10), and extend diagonally into the internal cavity of the cylindrical body (10) so as to make electrical contact with the mating terminal that is inserted into the internal cavity of the cylindrical body (10) of the terminal (1). The terminal product according to claim 2.

14. A locking spring (14) is formed on the peripheral wall of the cylindrical body (10) of the terminal (1), and the locking spring (14) is located in the middle of the cylindrical body (10), extends outward at a certain angle of inclination, and is used to lock the terminal (1) into the mounting hole of the housing. The terminal product according to claim 1.

15. The terminal (1) further comprises a connecting portion (15) connected to the rear end of the cylindrical body (10), the connecting portion (15) extending outward from the rigid injection molded portion (20) for electrical connection with the cable. The terminal product according to claim 1.

16. The connection portion (15) of the terminal (1) is flat and suitable for welding to one end of the cable for electrical connection with the cable. The terminal product according to claim 15.

17. The connecting portion (15) of the terminal (1) is adapted to be crimped onto one end of the cable for electrical connection with the cable. The terminal product according to claim 15.

18. The rigid injection molded part (20) is injected into the cylindrical body (10) of the terminal (1) by insert injection molding, the flexible injection molded part (30) is injected into the cylindrical body (10) of the terminal (1) by overmolding, and the flexible injection molded part (30) is injected into the cylindrical body (10) of the terminal (1) after the rigid injection molded part (20) has been injected into the cylindrical body (10) of the terminal (1). The terminal product according to claim 1.

19. An electrical connection assembly, The terminal product (100) according to any one of claims 1 to 18, wherein the terminal (1) has a connecting portion (15) connected to the rear end of the cylindrical body (10), A cable electrically connected to the connection portion (15) of the terminal (1) and An electrical connection assembly comprising:

20. Electrically connected products, A housing with mounting holes formed therein, The terminal product (100) according to any one of claims 1 to 18, or the electrical connection assembly according to claim 19 and Equipped with, The terminal product (100) is inserted into the mounting hole of the housing, the hard injection molded part (20) fits with the housing, and the soft injection molded part (30) seals the mounting hole of the housing. Electrical connection products.

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

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