Connector housing and connector

Abstract

The present invention discloses a connector housing and a connector. The connector housing comprises of: an installation base (11) for installation on a device housing; and a peripheral wall (12) which extends upwards from the installation base (11) and encloses an inner cavity (101). A first sealing ring installation groove (114) and a second sealing ring installation groove (115) are formed on the bottom surface of the installation base (11), and the first sealing ring installation groove (114) surrounds the second sealing ring installation groove (115) and is spaced from the second sealing ring installation groove (115). A slit (131) is formed on the installation base (11) that allows a connection leg (31) of a shielding shell (3) of a connector to pass through, and the slit (131) is located between the first sealing ring installation groove (114) and the second sealing ring installation groove (115) and is spaced from the first sealing ring installation groove (114) and the second sealing ring installation groove (115). The present invention not only prevents the water vapor outside the connector housing from entering the device housing through the gap between the installation base and the device housing, but also prevents the water vapor inside the connector housing from entering the device housing through the slit on the installation base.

Description

CROSS-REFERENCE TO RELATED APPLICATION

[0001] This application claims the benefit of Chinese Patent Application No. CN202221830117.9 filed on July 15, 2022 in the State Intellectual Property Office of China.BACKGROUND OF THE INVENTION Field of the Invention

[0002] The present invention relates to a connector housing and a connector comprising the connector housing.Description of the Related Art

[0003] In the prior art, a connector with electromagnetic shielding requirement typically includes a housing, a shielding shell, and terminals. The terminals are installed in the housing and located in the shielded housing. The connection leg of the shielding shell extends through a slit on the installation base of the connector housing for electrical contact with the device housing.

[0004] In the prior art, in order to achieve waterproof sealing, a sealing ring is usually installed on the bottom surface of the installation base of the connector housing, and the slit on the installation base is located inside the area surrounded by the sealing ring. When the connector housing is installed on the device housing, the sealing ring is squeezed between the connector housing and the device housing to achieve sealing between the two, so that the water vapor outside the connector housing cannot enter the device housing through the gap between the connector housing and the device housing.

[0005] CN 102 651 515 A discloses a high-pressure resistant sealed connector with a metal housing and contact elements assembled through a sintered glass seal. A pressure-bearing wall, insulated from the contact elements, is integrally formed inside the housing and has through-holes for the contact elements. The glass seal is sintered to one side of the pressure-bearing wall.

[0006] EP 3 691 046 A1 discloses a connector with terminals, inner and outer housings, a shield shell, and three seals. A first seal is compressed between a counterpart device and the outer housing, an inner seal between the shield shell and inner housing, and an outer seal between the outer housing and shield shell, each seal being compressed in specific directions.

[0007] DE 10 2018 126 543 A1 discloses an electrical plug for forming an electrical connection with a complementary coupling. It comprises a housing, contact elements, a contact carrier, a receiving element for receiving the complementary coupling, a first sealing element between the receiving element and the housing, and a second sealing element between the receiving element and the contact carrier. However, in the prior art, before the connector housing is mated with the mating connector housing, the mating port of the connector housing is open, which causes water vapor to enter the inside of the connector housing through the mating port of the connector housing and enter the device housing through the slit on the installation base.SUMMARY OF THE INVENTION

[0008] The present invention has been made to overcome or alleviate at least one aspect of the above mentioned disadvantages.

[0009] According to an aspect of the present invention, there is provided a connector housing. The connector housing comprises of: an installation base for installation on a device housing; and a peripheral wall which extends upwards from the installation base and encloses an inner cavity. A first sealing ring installation groove and a second sealing ring installation groove are formed on the bottom surface of the installation base, and the first sealing ring installation groove surrounds the second sealing ring installation groove and is spaced from the second sealing ring installation groove. A slit is formed on the installation base that allows a connection leg of a shielding shell of a connector to pass through, and the slit is located between the first sealing ring installation groove and the second sealing ring installation groove and is spaced from the first sealing ring installation groove and the second sealing ring installation groove.

[0010] According to an exemplary embodiment of the present invention, the connector housing further comprises a terminal holder which is connected to the installation base and extends into the inner cavity to hold a terminal of the connector, the first sealing ring installation groove surrounds the terminal holder and is spaced from the terminal holder.

[0011] According to another exemplary embodiment of the present invention, the terminal holder has a main body portion extending into the inner cavity and a lower end portion protruding from the bottom surface of the installation base, the lower end portion of the terminal holder is adapted to be inserted into an installation port of the device housing, and the second sealing ring installation groove surrounds the lower end portion of the terminal holder.

[0012] According to another exemplary embodiment of the present invention, a terminal installation slot is formed in the terminal holder to allow the terminal to pass through, and a glue injection cavity for injecting sealing glue is formed on the end face of the lower end portion of the terminal holder, the glue injection cavity is communicated with the terminal installation slot, and a part of the terminal passes through the glue injection cavity.

[0013] According to another exemplary embodiment of the present invention, a terminal slot is formed in the main body portion of the terminal holder to allow a mating terminal to be inserted and in electrical contact with an upper end of the terminal extending into the terminal slot.

[0014] According to another exemplary embodiment of the present invention, the connector housing further comprises a retaining tongue which is arranged in the terminal slot and connected to the installation base to maintain the upper end of the terminal extending into the terminal slot.

[0015] According to another exemplary embodiment of the present invention, the installation base has a flange portion that extends radially outward beyond the peripheral wall, and a connection hole is formed in the flange portion of the installation base, so that the connector housing is capable of being fixed to the device housing by a connecting piece passing through the connection hole.

[0016] According to another exemplary embodiment of the present invention, the second sealing ring installation groove is located inside an area surrounded by the first sealing ring installation groove and is spaced from the first sealing ring installation groove; the connection hole is located outside the area surrounded by the first sealing ring installation groove and is spaced from the first sealing ring installation groove.

[0017] According to another aspect of the present invention, there is provided a connector. The connector comprises of: the above connector housing; a first sealing ring which is installed in the first sealing ring installation groove of the installation base to prevent water vapor outside the connector housing from entering the device housing through a gap between the installation base and the device housing; and a second sealing ring which is installed in the second sealing ring installation groove of the installation base to prevent water vapor inside the connector housing from entering the device housing through the slit.

[0018] According to an exemplary embodiment of the present invention, the connector further comprises a shielding shell. The shielding shell comprises of: a shell body which is located in the inner cavity of the connector housing and is sleeved on the main body portion of the terminal holder; and a connection leg which is connected to the lower edge of the shell body and passes through the slit on the installation base, the connection leg of the shielding shell is located between the first sealing ring and the second sealing ring for electrical contact with the device housing.

[0019] According to another exemplary embodiment of the present invention, the connection leg comprises of: a first part which is connected to the lower edge of the shell body and bent at a right angle relative to the shell body; a second part which is connected to the first part and bent at a right angle relative to the first part; and a third part which is connected to the second part and bent a right angle relative to the second part. The first part is supported on the upper surface of the installation base, the second part passes through the slit on the installation base, and the third part is supported on the bottom surface of the installation base for electrical contact with the device housing.

[0020] According to another exemplary embodiment of the present invention, a contact protrusion is formed on the third part of the connection leg, which is used for electrical contact with the outer surface of the device housing.

[0021] According to another exemplary embodiment of the present invention, the connector further comprises of: a terminal which is inserted into the terminal installation slot of the terminal holder; and a sealing glue which is poured into the glue injection cavity of the terminal holder to seal the terminal installation slot and prevent water vapor inside the connector housing from entering the device housing through the terminal installation slot.

[0022] According to another exemplary embodiment of the present invention, the terminal comprises of: a terminal body which is inserted into the terminal installation slot and its upper end extends into the terminal slot; and a connection end which is connected to the lower end of the terminal body and is located outside the connector housing. The connection end of the terminal is adapted to extend into the device housing through an installation port on the device housing and electrically connect with a conductor inside the device housing.

[0023] According to another exemplary embodiment of the present invention, the surface of the terminal body extends along the axial direction of the connector housing and a first direction perpendicular to the axial direction. The connection end comprises of: a first bending part which is connected to the lower end of the terminal body and bent at a right angle relative to the surface of the terminal body; a second bending part which is connected to one end of the first bending part and bent at a right angle relative to the surface of the first bending part; and a third bending part which is connected to one side of the second bending part and bent at a right angle relative to the surface of the second bending part. The surface of the third bending part extends along the axial direction and a second direction perpendicular to the axial direction and the first direction, a cylindrical electrical connection member is riveted to the third bending part, and the cylindrical electrical connection member has a contact surface which is suitable for electrical contact with the conductor inside the device housing and parallel to the surface of the third bending part.

[0024] According to another exemplary embodiment of the present invention, the connector includes a pair of terminals, and the connection ends of the pair of terminals face each other and are adjacent to each other; the connector also includes an isolation member installed on the terminal holder, which is used to electrically isolate the connection ends of the pair of terminals from each other.

[0025] According to another exemplary embodiment of the present invention, the connector comprises a pair of terminal holders that respectively hold the pair of terminals, and a slot is formed on the lower end portion of the terminal holder. The isolation member comprises of: a base plate, the edge parts on both sides of which are respectively inserted into the slots on the pair of terminal holders; and a partition plate which extends vertically from the base plate to electrically isolate the connection ends of the pair of terminals from each other.

[0026] According to another exemplary embodiment of the present invention, the connector further comprises of: a bushing which is embedded in the connection hole of the installation base; and a connecting piece that passes through the bushing and is used to fix the connector housing to the device housing.

[0027] In the aforementioned exemplary embodiments according to the present invention, two sealing rings are installed on the bottom surface of the installation base of the connector housing, and the slit on the installation base is located between the two sealing rings and spaced from them. Therefore, the present invention can not only prevent the water vapor outside the connector housing from entering the device housing through the gap between the installation base and the device housing, but also prevent the water vapor inside the connector housing from entering the device housing through the slit on the installation base.BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and other features of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the accompanying drawings, in which: Figure 1 shows an illustrative perspective view of a connector according to an exemplary embodiment of the present invention when viewed from the top; Figure 2 shows an illustrative perspective view of a connector according to an exemplary embodiment of the present invention when viewed from the bottom; Figure 3 shows an axial cross-sectional view of a connector housing according to an exemplary embodiment of the present invention; Figure 4 shows an axial cross-sectional view of a connector according to an exemplary embodiment of the present invention when viewed from the front side; Figure 5 shows an axial cross-sectional view of a connector according to an exemplary embodiment of the present invention when viewed from the bottom; and Figure 6 shows an illustrative perspective view of a shielding shell of a connector according to an exemplary embodiment of the present invention. DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS OF THE IVENTION

[0029] Exemplary embodiments of the present disclosure will be described hereinafter in detail with reference to the attached drawings, wherein the like reference numerals refer to the like elements. The present disclosure may, however, be embodied in many different forms and should not be construed as being limited to the embodiment set forth herein; rather, these embodiments are provided so that the present disclosure will be thorough and complete, and will fully convey the concept of the disclosure to those skilled in the art.

[0030] In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. It will be apparent, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are schematically shown in order to simplify the drawing.

[0031] According to a general concept of the present invention, there is provided a connector housing. The connector housing comprises of: an installation base for installation on a device housing; and a peripheral wall which extends upwards from the installation base and encloses an inner cavity. A first sealing ring installation groove and a second sealing ring installation groove are formed on the bottom surface of the installation base, and the first sealing ring installation groove surrounds the second sealing ring installation groove and is spaced from the second sealing ring installation groove. A slit is formed on the installation base that allows a connection leg of a shielding shell of a connector to pass through, and the slit is located between the first sealing ring installation groove and the second sealing ring installation groove and is spaced from the first sealing ring installation groove and the second sealing ring installation groove.

[0032] According to another general concept aspect of the present invention, there is provided a connector. The connector comprises of: the above connector housing; a first sealing ring which is installed in the first sealing ring installation groove of the installation base to prevent water vapor outside the connector housing from entering the device housing through a gap between the installation base and the device housing; and a second sealing ring which is installed in the second sealing ring installation groove of the installation base to prevent water vapor inside the connector housing from entering the device housing through the slit.

[0033] Figure 1 shows an illustrative perspective view of a connector according to an exemplary embodiment of the present invention when viewed from the top; Figure 2 shows an illustrative perspective view of a connector according to an exemplary embodiment of the present invention when viewed from the bottom; Figure 3 shows an axial cross-sectional view of the connector housing 1 according to an exemplary embodiment of the present invention; Figure 4 shows an axial cross-sectional view of a connector according to an exemplary embodiment of the present invention when viewed from the front side.

[0034] As shown in Figures 1 to 4, in the illustrated embodiment, the connector includes a connector housing 1, a terminal 2, a shielding shell 3, a first sealing ring 4, and a second sealing ring 5. Terminal 2 is held in terminal holder 13 of connector housing 1. The shielding shell 3 is installed on the terminal holder 13. The first sealing ring 4 and the second sealing ring 5 are installed on the bottom surface of the installation base 11 of the connector housing 1. A slit 131 is formed on the installation base 11 that allows the connection leg 31 of the shielding shell 3 of the connector to pass through. The slit 131 is located between the first sealing ring 4 and the second sealing ring 5 and is spaced from the first sealing ring 4 and the second sealing ring 5. The first sealing ring 4 is used to prevent the water vapor outside the connector housing 1 from entering the device housing through the gap between the installation base 11 and the device housing (not shown), and the second sealing ring 5 is used to prevent the water vapor inside the connector housing 1 from entering the device housing through the slit 131.

[0035] Figure 5 shows an axial cross-sectional view of a connector according to an exemplary embodiment of the present invention when viewed from the bottom; Figure 6 shows an illustrative perspective view of the shielding shell 3 of the connector according to an exemplary embodiment of the present invention.

[0036] As shown in Figures 1 to 6, in an exemplary embodiment of the present invention, a connector housing 1 is disclosed, which includes a installation base 11 and a peripheral wall 12. The installation base 11 is adapted to be installed on the device housing. The peripheral wall 12 extends upwards from the installation base 11 and encloses an inner cavity 101. A first sealing ring installation groove 114 and a second sealing ring installation groove 115 are formed on the bottom surface of the installation base 11 and are spaced from each other. The first sealing ring installation groove 114 and the second sealing ring installation groove 115 are used to install the first sealing ring 4 and the second sealing ring 5, respectively. The first sealing ring installation groove 114 is located on the outer side of the second sealing ring installation groove 115 and surrounds the second sealing ring installation groove 115. A slit 131 is formed on the installation base 11 that allows the connection leg 31 of the shielding shell 3 of the connector to pass through. The slit 131 is located between the first sealing ring installation groove 114 and the second sealing ring installation groove 115, and is spaced from the first sealing ring installation groove 114 and the second sealing ring installation groove 115.

[0037] As shown in Figures 1 to 6, in the illustrated embodiment, the connector housing 1 further includes a terminal holder 13. The terminal holder 13 is connected to the installation base 11 and extends into the inner cavity 101 to hold the terminal 2 of the connector. The second sealing ring installation groove 115 is located inside the area surrounded by the first sealing ring installation groove 114. The second sealing ring installation groove 115 surrounds the terminal holder 13 and is spaced from the terminal holder 13, so that the terminal holder 13 is located inside the area surrounded by the second sealing ring installation groove 115.

[0038] As shown in Figures 1 to 6, in the illustrated embodiments, the terminal holder 13 has a main body portion 1310 that extends into the inner cavity 101 and a lower end portion 133 that protrudes from the bottom surface of the installation base 11. The lower end portion 133 of the terminal holder 13 is suitable for insertion into the installation port on the device housing, and the second sealing ring installation groove 115 surrounds the lower end portion 133 of the terminal holder 13.

[0039] As shown in Figures 1 to 6, in the illustrated embodiments, a terminal installation slot 134 is formed in the terminal holder 13 that allows terminal 2 to pass through, and a glue injection cavity 135 is formed on the end face of the lower end portion 133 of the terminal holder 13 for injecting sealing glue 6. The terminal installation slot 134 is communicated with the glue injection cavity 135, and a part of the terminal 2 passes through the glue injection cavity 135.

[0040] As shown in Figures 1 to 6, in the illustrated embodiments, a terminal slot 130 is formed on the main body portion 1310 of the terminal holder 13 to allow a mating terminal (not shown) of the mating connector to be inserted and electrically contact with the upper end 20a of the terminal 2 extending into the terminal slot 130.

[0041] As shown in Figures 1 to 6, in the illustrated embodiment, the connector housing 1 further includes a retaining tongue 132, which is arranged in the terminal slot 130 and connected to the installation base 11 to maintain the upper end 20a of the terminal 2 extending into the terminal slot 130.

[0042] As shown in Figures 1 to 6, in the illustrated embodiments, the installation base 11 has a flange portion 11a extending radially outward beyond the peripheral wall 12, and a connection hole 110 is formed on the flange portion 11a of the installation base 11, so that the connector housing 1 can be fixed to the device housing by a connecting piece (not shown) passing through the connection hole 110.

[0043] As shown in Figures 1 to 6, in the illustrated embodiment, the second sealing ring installation groove 115 is located inside the area surrounded by the first sealing ring installation groove 114 and is spaced from the first sealing ring installation groove 114. The connection hole 110 is located outside the area surrounded by the first sealing ring installation groove 114 and is spaced from the first sealing ring installation groove 114.

[0044] As shown in Figures 1 to 6, in another exemplary embodiment of the present invention, a connector is also disclosed. The connector includes: a connector housing 1, a first sealing ring 4, and a second sealing ring 5. The first sealing ring 4 is installed in the first sealing ring installation groove 114 of the installation base 11 to prevent water vapor outside the connector housing 1 from entering the device housing through the gap between the installation base 11 and the device housing. The second sealing ring 5 is installed in the second sealing ring installation groove 115 of the installation base 11 to prevent water vapor inside the connector housing 1 from entering the device housing through the slit 131.

[0045] As shown in Figures 1 to 6, in the illustrated embodiment, the connector further includes a shielding shell 3. The shielding shell 3 includes: a shell body 30 and a connection leg 31. The housing body 30 is located in the inner cavity 101 of the connector housing 1 and is sleeved on the main body portion 1310 of the terminal holder 13. The connection leg 31 is connected to the lower edge of the shell body 30 and passes through the slit 131 on the installation base 11. The connection leg 31 of the shielding shell 3 is located between the first sealing ring 4 and the second sealing ring 5 for electrical contact with the device housing.

[0046] As shown in Figures 1 to 6, in the illustrated embodiment, the connection leg 31 of the shielding shell 3 includes: a first part 311, a second part 312, and a third part 313. The first part 311 is connected to the lower edge of the shell body 30 and bent at a right angle relative to the shell body 30. The second part 312 is connected to the first part 311 and bent at a right angle relative to the first part 311. The third part 313 is connected to the second part 312 and bent at a right angle relative to the second part 312. The first part 311 is supported on the upper surface of the installation base 11, the second part 312 passes through the slit 131 on the installation base 11, and the third part 313 is supported on the bottom surface of the installation base 11 for electrical contact with the device housing.

[0047] As shown in Figures 1 to 6, in the illustrated embodiments, a contact protrusion 31a is formed on the third part 313 of the connection leg 31, which is used for electrical contact with the outer surface of the device housing.

[0048] As shown in Figures 1 to 6, in the illustrated embodiment, the connector further includes a terminal 2 and a sealing glue 6. The terminal 2 is inserted into the terminal installation slot 134 of the terminal holder 13. The sealing glue 6 is poured into the glue injection cavity 135 of the terminal holder 13 to seal the terminal installation slot 134, in order to prevent water vapor inside the connector housing from entering the device housing through the terminal installation slot 134.

[0049] As shown in Figures 1 to 6, in the illustrated embodiment, the terminal 2 includes: a terminal body 20 and a connection end 21. The terminal body 20 is inserted into the terminal installation slot 134 and its upper end 20a extends into the terminal slot 130. The connection end 21 of terminal 2 is connected to the lower end of terminal body 20 and is located outside of connector housing 1. The connection end 21 of terminal 2 is suitable for extending into the device housing through the installation port on the device housing and electrically connecting with a conductor (not shown, for example, a busbar) inside the device housing.

[0050] As shown in Figures 1 to 6, in the illustrated embodiments, the surface of the terminal body 20 extends along the axial direction of the connector housing 1 and a first direction perpendicular to the axial direction. The connection end 21 of terminal 2 includes a first bending part 21a, a second bending part 21b, and a third bending part 21c. The first bending part 21a is connected to the lower end of the terminal body 20 and bent at a right angle relative to the surface of the terminal body 20. The second bending part 21b is connected to one end of the first bending part 21a and bent at a right angle relative to the surface of the first bending part 21a. The third bending part 21c is connected to one side of the second bending part 21b and is bent at a right angle relative to the surface of the second bending part 21b.

[0051] As shown in Figures 1 to 6, in the illustrated embodiment, the surface of the third bending part 21c extends along the aforementioned axial direction and a second direction perpendicular to the aforementioned axial direction and the first direction. A cylindrical electrical connection member 22 is riveted on the third bending part 21c, which has a contact surface suitable for electrical contact with the conductor inside the device housing. The contact surface of the cylindrical electrical connection member 22 is parallel to the surface of the third bending part 21c.

[0052] As shown in Figures 1 to 6, in the illustrated embodiment, the connector includes a pair of terminals 2, and the connection ends 21 of the pair of terminals 2 face each other and are adjacent to each other. The connector also includes an isolation member 7 installed on the terminal holder 13, which is used to electrically isolate the connection ends 21 of the pair of terminals 2 from each other.

[0053] As shown in Figures 1 to 6, in the illustrated embodiments, the connector includes a pair of terminal holders 13 that respectively hold the pair of terminals 2, and a slot 13a is formed on the lower end portion 133 of the terminal holder 13. The isolation member 7 includes: a base plate 71 and partition plate 72. The edges on both sides of the base plate 71 are respectively inserted into the slots 13a on the pair of terminal holders 13. The partition plate 72 extends vertically from the base plate 71 to electrically isolate the connection ends 21 of the pair of terminals 2 from each other. In the illustrated embodiment, the isolation member 7 has a T-shaped cross-section along the aforementioned axial direction.

[0054] As shown in Figures 1 to 6, in the illustrated embodiments, the connector further comprises a bushing 111 and a connecting piece (not shown, for example, it can be a bolt or screw). The bushing 111 is embedded in the connection hole 110 of the installation base 11. The connector passes through the bushing 111 to secure the connector housing 1 to the device housing.

Claims

1. A connector housing (1) comprising: an installation base (11) for installation on a device housing; and a peripheral wall (12) which extends upwards from the installation base (11) and encloses an inner cavity (101), wherein a first sealing ring installation groove (114) and a second sealing ring installation groove (115) are formed on the bottom surface of the installation base (11), and the first sealing ring installation groove (114) surrounds the second sealing ring installation groove (115) and is spaced from the second sealing ring installation groove (115), characterized in that a slit (131) is formed on the installation base (11), the slit (131) being configured to allow a connection leg (31) of a shielding shell (3) of a connector to pass through, and the slit (131) is located between the first sealing ring installation groove (114) and the second sealing ring installation groove (115) and is spaced from the first sealing ring installation groove (114) and from the second sealing ring installation groove (115).

2. The connector housing according to claim 1, characterized by further comprising: a terminal holder (13) which is connected to the installation base (11) and extends into the inner cavity (101) to hold a terminal (2) of the connector, wherein the first sealing ring installation groove (114) surrounds the terminal holder (13) and is spaced from the terminal holder (13).

3. The connector housing according to claim 2, characterized in that the terminal holder (13) has a main body portion (1310) extending into the inner cavity (101) and a lower end portion (133) protruding from the bottom surface of the installation base (11), the lower end portion (133) of the terminal holder (13) is adapted to be inserted into an installation port of the device housing, and the second sealing ring installation groove (115) surrounds the lower end portion (133) of the terminal holder (13).

4. The connector housing according to claim 3, characterized in that a terminal installation slot (134) is formed in the terminal holder (13) to allow the terminal (2) to pass through, and a glue injection cavity (135) for injecting sealing glue (6) is formed on the end face of the lower end portion (133) of the terminal holder (13), the glue injection cavity (135) is communicated with the terminal installation slot (134), and a part of the terminal (2) passes through the glue injection cavity (135).

5. The connector housing according to claim 3, characterized in that a terminal slot (130) is formed in the main body portion (1310) of the terminal holder (13) to allow a mating terminal to be inserted and in electrical contact with an upper end (20a) of the terminal (2) extending into the terminal slot (130).

6. The connector housing according to claim 5, characterized by further comprising: a retaining tongue (132) which is arranged in the terminal slot (130) and connected to the installation base (11) to maintain the upper end (20a) of the terminal (2) extending into the terminal slot (130).

7. The connector housing according to claim 1, characterized in that the installation base (11) has a flange portion (11a) that extends radially outward beyond the peripheral wall (12), and a connection hole (110) is formed in the flange portion (11a) of the installation base (11), so that the connector housing (1) is capable of being fixed to the device housing by a connecting piece passing through the connection hole (110).

8. The connector housing according to claim 7, characterized in that the second sealing ring installation groove (115) is located inside an area surrounded by the first sealing ring installation groove (114) and is spaced from the first sealing ring installation groove (114); the connection hole (110) is located outside the area surrounded by the first sealing ring installation groove (114) and is spaced from the first sealing ring installation groove (114).

9. A connector, characterized by comprising: the connector housing (1) according to any one of claims 1-8; a first sealing ring (4) which is installed in the first sealing ring installation groove (114) of the installation base (11) to prevent water vapor outside the connector housing (1) from entering the device housing through a gap between the installation base (11) and the device housing; and a second sealing ring (5) which is installed in the second sealing ring installation groove (115) of the installation base (11) to prevent water vapor inside the connector housing (1) from entering the device housing through the slit (131).

10. The connector according to claim 9, characterized by further comprising: a shielding shell (3) comprises of: a shell body (30) which is located in the inner cavity (101) of the connector housing (1) and is sleeved on the main body portion (1310) of the terminal holder (13); and a connection leg (31) which is connected to the lower edge of the shell body (30) and passes through the slit (131) on the installation base (11), wherein the connection leg (31) of the shielding shell (3) is located between the first sealing ring (4) and the second sealing ring (5) for electrical contact with the device housing.

11. The connector according to claim 10, characterized in that the connection leg (31) comprises of: a first part (311) which is connected to the lower edge of the shell body (30) and bent at a right angle relative to the shell body (30); a second part (312) which is connected to the first part (311) and bent at a right angle relative to the first part (311); and a third part (313) which is connected to the second part (312) and bent a right angle relative to the second part (312), the first part (311) is supported on the upper surface of the installation base (11), the second part (312) passes through the slit (131) on the installation base (11), and the third part (313) is supported on the bottom surface of the installation base (11) for electrical contact with the device housing, a contact protrusion (31a) is formed on the third part (313) of the connection leg (31), which is used for electrical contact with the outer surface of the device housing.

12. The connector according to claim 10, characterized by further comprising: a terminal (2) which is inserted into the terminal installation slot (134) of the terminal holder (13); and a sealing glue (6) which is poured into the glue injection cavity (135) of the terminal holder (13) to seal the terminal installation slot (134) and prevent water vapor inside the connector housing from entering the device housing through the terminal installation slot (134), wherein the terminal (2) comprises of: a terminal body (20) which is inserted into the terminal installation slot (134) and its upper end (20a) extends into the terminal slot (130); a connection end (21) which is connected to the lower end of the terminal body (20) and is located outside the connector housing (1), wherein the connection end (21) of the terminal (2) is adapted to extend into the device housing through an installation port on the device housing and electrically connect with a conductor inside the device housing.

13. The connector according to claim 12, characterized in that the surface of the terminal body (20) extends along the axial direction of the connector housing (1) and a first direction perpendicular to the axial direction; the connection end (21) comprises of: a first bending part (21a) which is connected to the lower end of the terminal body (20) and bent at a right angle relative to the surface of the terminal body (20); a second bending part (21b) which is connected to one end of the first bending part (21a) and bent at a right angle relative to the surface of the first bending part (21a); and a third bending part (21c) which is connected to one side of the second bending part (21b) and bent at a right angle relative to the surface of the second bending part (21b), the surface of the third bending part (21c) extends along the axial direction and a second direction perpendicular to the axial direction and the first direction, a cylindrical electrical connection member (22) is riveted to the third bending part (21c), and the cylindrical electrical connection member (22) has a contact surface which is suitable for electrical contact with the conductor inside the device housing and parallel to the surface of the third bending part (21c).

14. The connector according to claim 12, characterized in that the connector includes a pair of terminals (2), and the connection ends (21) of the pair of terminals (2) face each other and are adjacent to each other; the connector also includes an isolation member (7) installed on the terminal holder (13), which is used to electrically isolate the connection ends (21) of the pair of terminals (2) from each other; the connector comprises a pair of terminal holders (13) that respectively hold the pair of terminals (2), and a slot (13a) is formed on the lower end portion (133) of the terminal holder (13); the isolation member (7) comprises of: a base plate (71), the edge parts on both sides of which are respectively inserted into the slots (13a) on the pair of terminal holders (13); and a partition plate (72) which extends vertically from the base plate (71) to electrically isolate the connection ends (21) of the pair of terminals (2) from each other.

15. The connector according to claim 9, characterized in that further comprising: a bushing (111) which is embedded in the connection hole (110) of the installation base (11); and a connecting piece that passes through the bushing (111) and is used to fix the connector housing (1) to the device housing.

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