Terminal guide cover, connector housing assembly and connector

Abstract

The utility model discloses a terminal guide cover, a connector housing assembly and a connector. The terminal guide cover includes: a cover plate adapted to be mounted on an end face of a housing of a connector; and a guide hole formed on the cover plate. The guide hole is used for guiding a matching terminal to be inserted into a terminal jack of a shell of the connector in a centered mode so as to be matched with a terminal of the connector inserted into the terminal jack. The guide hole is provided with a taper hole portion located at an inlet of the guide hole, and a tool slot allowing a tongue piece of an unlocking tool to penetrate through is formed in the hole wall of the taper hole portion, so that a locking elastic piece of a terminal of the connector can be pushed by the tongue piece inserted through the tool slot to an unlocking position where the locking elastic piece is separated from the hole wall of the terminal jack. According to the utility model, the locking elastic sheet of the terminal can be pushed to the unlocking position through the inserted unlocking tool under the condition that the terminal guide cover is not dismounted, so that the terminal is very convenient to dismount.

Description

Technical Field

[0001] The utility model relates to a terminal guide cover, comprising a connector housing component of the terminal guide cover and a connector comprising the connector housing component. Background Art

[0002] In the prior art, a connector generally includes a housing and a terminal. A terminal socket is formed in the housing, and the terminal is inserted into the terminal socket. The terminal has a locking spring, which engages with the hole wall of the terminal socket to lock the terminal in the terminal socket. In the prior art, when the terminal needs to be pulled out of the terminal socket, an unlocking tool needs to be inserted into the entrance of the terminal socket to push the locking spring of the terminal to an unlocking position that is disengaged from the hole wall of the terminal socket. In the prior art, in order to be able to insert the unlocking tool, the size of the entrance of the terminal socket is generally much larger than the diameter of the mating terminal of the mating connector, which makes it difficult to insert the mating terminal into the terminal socket in the center. When the mating terminal deviates from its correct insertion position, it will cause the mating terminal to collide with the terminal, which will cause damage to the terminal and the mating terminal. Utility Model Content

[0003] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the utility model, a terminal guide cover is provided. The terminal guide cover comprises: a cover plate, which is suitable for being mounted on the end surface of the housing of the connector; and a guide hole, which is formed on the cover plate. The guide hole is used to guide the mating terminal to be centrally inserted into the terminal insertion hole of the housing of the connector so as to mate with the terminal of the connector inserted in the terminal insertion hole. The guide hole has a tapered hole portion at its entrance, and a tool slot is formed on the hole wall of the tapered hole portion to allow the tongue of the unlocking tool to pass through, so that the locking spring of the terminal of the connector can be pushed to an unlocking position disengaged from the hole wall of the terminal insertion hole by the tongue inserted through the tool slot.

[0005] According to an exemplary embodiment of the utility model, the guide hole also has a cylindrical hole portion located at its outlet, and the diameter of the cylindrical hole portion is smaller than the diameter of the entrance of the terminal insertion hole; when the terminal guide cover is mounted on the end face of the housing of the connector, the cylindrical hole portion is coaxial with the terminal insertion hole to guide the mating terminal to be centrally inserted into the terminal insertion hole.

[0006] According to another exemplary embodiment of the present invention, the minimum diameter of the tapered hole portion is equal to the diameter of the cylindrical hole portion, and the diameter of the tapered hole portion gradually decreases from outside to inside to guide the mating terminal into the cylindrical hole portion.

[0007] According to another exemplary embodiment of the utility model, the tool slot extends along the axial direction of the guide hole and has an arc-shaped cross section, and the center of the arc-shaped cross section of the tool slot coincides with the center of the guide hole.

[0008] According to another exemplary embodiment of the utility model, a plurality of tool slots are formed on the hole wall of the tapered hole portion, and the plurality of tool slots are spaced apart and distributed in the circumferential direction of the guide hole to allow a plurality of tongues of the unlocking tool to pass through respectively.

[0009] According to another exemplary embodiment of the present invention, a plurality of guide holes are formed on the cover plate, and the plurality of guide holes are arranged in a plurality of rows and columns and respectively correspond to a plurality of terminal insertion holes on the housing of the connector.

[0010] According to another exemplary embodiment of the utility model, the terminal guide cover also includes: a fixing column formed on the inner side of the cover plate, the fixing column being suitable for being inserted into the fixing hole on the end face of the connector shell in an interference fit manner to fix the terminal guide cover to the connector shell.

[0011] According to another exemplary embodiment of the utility model, a plurality of axially extending ribs are formed on the fixing column, the plurality of ribs are spaced apart in the circumferential direction of the fixing column, and the ribs on the fixing column are suitable for interference fit with the hole wall of the fixing hole.

[0012] According to another exemplary embodiment of the present invention, a plurality of fixing columns are formed on the inner side of the cover plate, and the plurality of fixing columns are suitable for being respectively inserted into a plurality of fixing holes on the end surface of the housing of the connector in an interference fit manner.

[0013] According to another aspect of the utility model, a connector housing assembly is provided. The connector housing assembly comprises: a housing formed with a terminal insertion hole; and the aforementioned terminal guide cover mounted on the end surface of the housing. The minimum diameter of the guide hole is smaller than the diameter of the entrance of the terminal insertion hole, and the guide hole is coaxial with the corresponding terminal insertion hole to guide the mating terminal of the mating connector to be centrally inserted into the terminal insertion hole to mate with the terminal of the connector inserted in the terminal insertion hole.

[0014] According to an exemplary embodiment of the utility model, a fixing hole is formed on the end face of the shell, and the fixing column on the terminal guide cover is inserted into the fixing hole of the shell in an interference fit manner to fix the terminal guide cover to the shell of the connector.

[0015] According to another aspect of the utility model, a connector is provided. The connector comprises: the aforementioned connector housing assembly; and a terminal, which is inserted into the terminal insertion hole of the housing and is used to mate with a mating terminal inserted from the entrance of the terminal insertion hole. The terminal has a locking spring piece engaged with the hole wall of the terminal insertion hole, and the locking spring piece can be pushed to an unlocking position disengaged from the hole wall of the terminal insertion hole by a tongue piece of an unlocking tool inserted through the tool slot.

[0016] According to an exemplary embodiment of the utility model, a plurality of terminal jacks are formed on the shell, and the connector includes a plurality of terminals, which are respectively inserted into the plurality of terminal jacks; a plurality of guide holes corresponding to the plurality of terminal jacks are formed on the terminal guide cover, for guiding the plurality of mating terminals of the mating connector to be centrally inserted into the plurality of terminal jacks respectively so as to mate with the plurality of mating terminals.

[0017] According to another exemplary embodiment of the present utility model, the terminal has a mating end and a connecting end which are opposite to each other in the axial direction thereof, the mating end is used to mate with the inserted mating terminal, and the connecting end is used to be electrically connected to the cable.

[0018] According to another exemplary embodiment of the utility model, the connector also includes: a cable, one end of which extends into the terminal socket and is electrically connected to the connecting end of the terminal, the connecting end of the terminal is crimped onto one end of the cable, and the cable is led out from the outlet of the terminal socket.

[0019] In the aforementioned various exemplary embodiments according to the utility model, the guide hole on the terminal guide cover can guide the mating terminal to be centrally inserted into the terminal insertion hole, and the unlocking tool can be inserted into the terminal insertion hole through the tool slot on the hole wall of the tapered hole portion of the guide hole, so that the locking spring of the terminal can be pushed to the unlocking position by the inserted unlocking tool without removing the terminal guide cover.

[0020] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the utility model;

[0022] Figure 2 An exploded schematic diagram showing a connector according to an exemplary embodiment of the present utility model;

[0023] Figure 3An exploded cross-sectional view showing a connector according to an exemplary embodiment of the present utility model;

[0024] Figure 4 A plan cross-sectional view showing a connector according to an exemplary embodiment of the present utility model;

[0025] Figure 5 A planar cross-sectional view of a connector according to an exemplary embodiment of the present utility model is shown, wherein a mating terminal is shown;

[0026] Figure 6 A cross-sectional view showing a terminal guide cover of a connector according to an exemplary embodiment of the present utility model when viewed from the front;

[0027] Figure 7 A cross-sectional view showing a terminal guide cover of a connector according to an exemplary embodiment of the present utility model when viewed from the back;

[0028] Figure 8 A perspective schematic diagram showing a terminal guide cover of a connector according to an exemplary embodiment of the utility model when viewed from the back;

[0029] Fig. 9 A plan cross-sectional view showing a terminal guide cover of a connector according to an exemplary embodiment of the present utility model;

[0030] Fig.10 A perspective schematic diagram showing a connector and an unlocking tool according to an exemplary embodiment of the utility model, wherein the unlocking tool has not yet been inserted into the terminal receptacle;

[0031] Fig.11 A three-dimensional schematic diagram of a connector and an unlocking tool according to an exemplary embodiment of the utility model is shown, wherein the unlocking tool has been inserted into the terminal insertion hole. DETAILED DESCRIPTION

[0032] The technical solution of the utility model is further specifically described below through examples and 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 implementation mode of the utility model with reference to the accompanying drawings is intended to explain the overall utility model concept of the utility model, and should not be understood as a limitation of the utility model.

[0033] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0034] According to an overall technical concept of the utility model, a terminal guide cover is provided. The terminal guide cover comprises: a cover plate, which is suitable for being mounted on the end surface of the housing of the connector; and a guide hole, which is formed on the cover plate. The guide hole is used to guide the mating terminal to be centrally inserted into the terminal insertion hole of the housing of the connector so as to mate with the terminal of the connector inserted in the terminal insertion hole. The guide hole has a tapered hole portion at its entrance, and a tool slot is formed on the hole wall of the tapered hole portion to allow the tongue of the unlocking tool to pass through, so that the locking spring of the terminal of the connector can be pushed to an unlocking position disengaged from the hole wall of the terminal insertion hole by the tongue inserted through the tool slot.

[0035] According to another general technical concept of the utility model, a connector housing assembly is provided. The connector housing assembly comprises: a housing formed with a terminal insertion hole; and the aforementioned terminal guide cover mounted on the end surface of the housing. The minimum diameter of the guide hole is smaller than the diameter of the entrance of the terminal insertion hole, and the guide hole is coaxial with the corresponding terminal insertion hole to guide the mating terminal of the mating connector to be centrally inserted into the terminal insertion hole to mate with the terminal of the connector inserted in the terminal insertion hole.

[0036] According to another general technical concept of the utility model, a connector is provided. The connector comprises: the aforementioned connector housing assembly; and a terminal, which is inserted into the terminal insertion hole of the housing and is used to mate with a mating terminal inserted from the entrance of the terminal insertion hole. The terminal has a locking spring piece engaged with the hole wall of the terminal insertion hole, and the locking spring piece can be pushed to an unlocking position disengaged from the hole wall of the terminal insertion hole by a tongue piece of an unlocking tool inserted through the tool slot.

[0037] Figure 1 A three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the utility model; Figure 2 An exploded schematic diagram showing a connector according to an exemplary embodiment of the present utility model; Figure 3 An exploded cross-sectional view showing a connector according to an exemplary embodiment of the present utility model; Figure 4 A plan cross-sectional view showing a connector according to an exemplary embodiment of the present utility model; Figure 5 A planar cross-sectional view of a connector according to an exemplary embodiment of the present utility model is shown, wherein a mating terminal 4 is shown; Figure 6 A cross-sectional view showing a terminal guide cover 2 of a connector according to an exemplary embodiment of the present utility model when viewed from the front; Figure 7 A cross-sectional view showing a terminal guide cover 2 of a connector according to an exemplary embodiment of the present utility model when viewed from the back; Figure 8A perspective schematic diagram showing a terminal guide cover 2 of a connector according to an exemplary embodiment of the present utility model when viewed from the back; Fig. 9 A plan cross-sectional view showing a terminal guide cover 2 of a connector according to an exemplary embodiment of the present utility model; Fig.10 A three-dimensional schematic diagram showing a connector and an unlocking tool 6 according to an exemplary embodiment of the utility model, wherein the unlocking tool 6 has not yet been inserted into the terminal insertion hole 101; Fig.11 A three-dimensional schematic diagram of a connector and an unlocking tool 6 according to an exemplary embodiment of the present utility model is shown, wherein the unlocking tool 6 has been inserted into the terminal insertion hole 101 .

[0038] like Figures 1 to 11 As shown, in an exemplary embodiment of the utility model, a terminal guide cover 2 is disclosed. The terminal guide cover 2 includes: a cover plate 20 and a guide hole 201. The cover plate 20 is suitable for being mounted on the end surface 10 of the housing 1 of the connector. The guide hole 201 is formed on the cover plate 20. The guide hole 201 is used to guide the mating terminal 4 to be centrally inserted into the terminal insertion hole 101 of the housing 1 of the connector so as to mate with the terminal 3 of the connector inserted in the terminal insertion hole 101. The guide hole 201 has a tapered hole portion 211 located at its entrance, and a tool slot 203 is formed on the hole wall of the tapered hole portion 211 to allow the tongue 6a of the unlocking tool 6 to pass through, so that the locking spring piece 3a of the terminal 3 of the connector can be pushed to an unlocking position disengaged from the hole wall of the terminal insertion hole 101 by the tongue 6a inserted through the tool slot 203.

[0039] like Figures 1 to 11 As shown, in the illustrated embodiment, the guide hole 201 also has a cylindrical hole portion 212 located at its outlet, and the diameter of the cylindrical hole portion 212 is smaller than the diameter of the entrance of the terminal insertion hole 101. When the terminal guide cover 2 is mounted on the end surface 10 of the housing 1 of the connector, the cylindrical hole portion 212 is coaxial with the terminal insertion hole 101 to guide the mating terminal 4 to be centrally inserted into the terminal insertion hole 101.

[0040] like Figures 1 to 11 As shown, in the illustrated embodiment, the minimum diameter of the tapered hole portion 211 is equal to the diameter of the cylindrical hole portion 212 , and the diameter of the tapered hole portion 211 gradually decreases from outside to inside to guide the mating terminal 4 into the cylindrical hole portion 212 .

[0041] like Figures 1 to 11 As shown, in the illustrated embodiment, the tool slot 203 extends along the axial direction of the guide hole 201 and has an arc-shaped cross section, and the center of the arc-shaped cross section of the tool slot 203 coincides with the center of the guide hole 201 .

[0042] like Figures 1 to 11As shown, in the illustrated embodiment, a plurality of tool slots 203 are formed on the hole wall of the tapered hole portion 211 , and the plurality of tool slots 203 are spaced apart and distributed in the circumferential direction of the guide hole 201 to allow a plurality of tongues 6 a of the unlocking tool 6 to pass through respectively.

[0043] like Figures 1 to 11 As shown, in the illustrated embodiment, a plurality of guide holes 201 are formed on the cover plate 20 , and the plurality of guide holes 201 are arranged in a plurality of rows and columns and correspond to a plurality of terminal insertion holes 101 on the housing 1 of the connector, respectively.

[0044] like Figures 1 to 11 As shown, in the illustrated embodiment, the terminal guide cover 2 further includes a fixing column 22, which is formed on the inner side of the cover plate 20. The fixing column 22 is adapted to be inserted into the fixing hole 102 on the end face 10 of the housing 1 of the connector in an interference fit manner to fix the terminal guide cover 2 to the housing 1 of the connector.

[0045] like Figures 1 to 11 As shown, in the illustrated embodiment, a plurality of axially extending ribs 22 a are formed on the fixing column 22 , and the plurality of ribs 22 a are spaced apart in the circumferential direction of the fixing column 22 , and the ribs 22 a on the fixing column 22 are suitable for interference fit with the hole wall of the fixing hole 102 .

[0046] like Figures 1 to 11 As shown, in the illustrated embodiment, a plurality of fixing posts 22 are formed on the inner side of the cover plate 20, and the plurality of fixing posts 22 are suitable for being respectively inserted into a plurality of fixing holes 102 on the end surface 10 of the housing 1 of the connector in an interference fit manner.

[0047] like Figures 1 to 11 As shown, in another exemplary embodiment of the utility model, a connector housing assembly is also disclosed. The connector housing assembly includes: a housing 1 and a terminal guide cover 2. The housing 1 is formed with a terminal insertion hole 101. The terminal guide cover 2 is mounted on the end surface 10 of the housing 1. The minimum diameter of the guide hole 201 is smaller than the diameter of the entrance of the terminal insertion hole 101, and the guide hole 201 is coaxial with the corresponding terminal insertion hole 101 to guide the mating terminal 4 of the mating connector to be centrally inserted into the terminal insertion hole 101 to mate with the terminal 3 of the connector inserted in the terminal insertion hole 101.

[0048] like Figures 1 to 11 As shown, in the illustrated embodiment, a fixing hole 102 is formed on the end face 10 of the shell 1, and the fixing column 22 on the terminal guide cover 2 is inserted into the fixing hole 102 of the shell 1 in an interference fit manner to fix the terminal guide cover 2 to the shell 1 of the connector.

[0049] like Figures 1 to 11As shown, in another exemplary embodiment of the present utility model, a connector is also disclosed. The connector includes: the aforementioned connector housing assembly and a terminal 3. The terminal 3 is inserted into the terminal insertion hole 101 of the housing 1, and is used to mate with the mating terminal 4 inserted from the entrance of the terminal insertion hole 101. The terminal 3 has a locking spring 3a engaged with the hole wall of the terminal insertion hole 101, and the locking spring 3a can be pushed to an unlocking position disengaged from the hole wall of the terminal insertion hole 101 by the tongue 6a of the unlocking tool 6 inserted through the tool slot 203.

[0050] like Figures 1 to 11 As shown, in the illustrated embodiment, a plurality of terminal insertion holes 101 are formed on the housing 1, and the connector includes a plurality of terminals 3, which are respectively inserted into the plurality of terminal insertion holes 101. A plurality of guide holes 201 corresponding to the plurality of terminal insertion holes 101 are formed on the terminal guide cover 2, which are used to guide the plurality of mating terminals 4 of the mating connector to be centrally inserted into the plurality of terminal insertion holes 101, respectively, so as to mate with the plurality of mating terminals 4.

[0051] like Figures 1 to 11 As shown, in the illustrated embodiment, the terminal 3 has a mating end 31 and a connecting end 32 which are opposite to each other in the axial direction thereof, the mating end 31 is used to mate with the inserted mating terminal 4 , and the connecting end 32 is used to electrically connect to the cable 5 .

[0052] like Figures 1 to 11 As shown, in the illustrated embodiment, the connector further comprises a cable 5, one end of which extends into the terminal insertion hole 101 and is electrically connected to the connection end 32 of the terminal 3. The connection end 32 of the terminal 3 is crimped onto one end of the cable, and the cable is led out from the outlet of the terminal insertion hole 101.

[0053] Those skilled in the art will appreciate that the embodiments described above are exemplary and can be improved upon by those skilled in the art. The structures described in the various embodiments can be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present utility model.

[0054] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementation modes of the present invention and should not be construed as limiting the present invention.

[0055] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined by the claims and their equivalents.

[0056] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element number of the claims should not be construed as limiting the scope of the present invention.

Claims

1. A terminal guide cover, characterized in that: include: A cover plate (20) adapted to be mounted on an end surface (10) of a housing (1) of a connector; and A guide hole (201) is formed on the cover plate (20), The guide hole (201) is used to guide the mating terminal (4) to be centrally inserted into the terminal insertion hole (101) of the housing (1) of the connector so as to mate with the terminal (3) of the connector inserted in the terminal insertion hole (101). The guide hole (201) has a tapered hole portion (211) located at its entrance, and a tool slot (203) is formed on the hole wall of the tapered hole portion (211) to allow a tongue piece (6a) of an unlocking tool (6) to pass through, so that the locking spring piece (3a) of the terminal (3) of the connector can be pushed by the tongue piece (6a) inserted through the tool slot (203) to an unlocking position disengaged from the hole wall of the terminal insertion hole (101).

2. The terminal guide cover according to claim 1, characterized in that: The guide hole (201) further comprises a columnar hole portion (212) at its outlet, wherein the diameter of the columnar hole portion (212) is smaller than the diameter of the entrance of the terminal insertion hole (101); When the terminal guide cover (2) is mounted on the end surface (10) of the housing (1) of the connector, the cylindrical hole portion (212) is coaxial with the terminal insertion hole (101) to guide the mating terminal (4) to be centrally inserted into the terminal insertion hole (101).

3. The terminal guide cover according to claim 2, characterized in that: The minimum diameter of the tapered hole portion (211) is equal to the diameter of the columnar hole portion (212), and the diameter of the tapered hole portion (211) gradually decreases from the outside to the inside, so as to guide the mating terminal (4) into the columnar hole portion (212).

4. The terminal guide cover according to claim 1, characterized in that: The tool slot (203) extends along the axial direction of the guide hole (201) and has an arc-shaped cross section, and the center of the arc-shaped cross section of the tool slot (203) coincides with the center of the guide hole (201).

5. The terminal guide cover according to claim 4, characterized in that: A plurality of tool slots (203) are formed on the hole wall of the tapered hole portion (211), and the plurality of tool slots (203) are spaced apart in the circumferential direction of the guide hole (201) to allow the plurality of tongues (6a) of the unlocking tool (6) to pass through respectively.

6. The terminal guide cover according to claim 1, characterized in that: A plurality of guide holes (201) are formed on the cover plate (20), and the plurality of guide holes (201) are arranged in a plurality of rows and columns and correspond to a plurality of terminal insertion holes (101) on the housing (1) of the connector, respectively.

7. The terminal guide cover according to any one of claims 1 to 6, characterized in that: Also includes: A fixing column (22) is formed on the inner side of the cover plate (20), The fixing column (22) is suitable for being inserted into the fixing hole (102) on the end surface (10) of the housing (1) of the connector in an interference fit manner, so as to fix the terminal guide cover (2) to the housing (1) of the connector.

8. The terminal guide cover according to claim 7, characterized in that: A plurality of axially extending convex ribs (22a) are formed on the fixing column (22), and the plurality of convex ribs (22a) are spaced apart in the circumferential direction of the fixing column (22), and the convex ribs (22a) on the fixing column (22) are suitable for interference fit with the hole wall of the fixing hole (102).

9. The terminal guide cover according to claim 7, characterized in that: A plurality of fixing columns (22) are formed on the inner side of the cover plate (20), and the plurality of fixing columns (22) are suitable for being respectively inserted into a plurality of fixing holes (102) on the end surface (10) of the housing (1) of the connector in an interference fit manner.

10. A connector housing assembly, characterized in that: include: A housing (1) formed with a terminal insertion hole (101); and The terminal guide cover (2) according to any one of claims 1 to 9 is mounted on the end surface (10) of the housing (1), The minimum diameter of the guide hole (201) is smaller than the diameter of the entrance of the terminal insertion hole (101), and the guide hole (201) is coaxial with the corresponding terminal insertion hole (101) to guide the mating terminal (4) of the mating connector to be centrally inserted into the terminal insertion hole (101) so as to mate with the terminal (3) of the connector inserted in the terminal insertion hole (101).

11. The connector housing assembly according to claim 10, characterized in that: A fixing hole (102) is formed on the end surface (10) of the housing (1), and the fixing column (22) on the terminal guide cover (2) is inserted into the fixing hole (102) of the housing (1) in an interference fit manner, so as to fix the terminal guide cover (2) to the housing (1) of the connector.

12. A connector, characterized in that: include: The connector housing assembly according to claim 10 or 11; and The terminal (3) is inserted into the terminal insertion hole (101) of the housing (1) and is used to mate with the matching terminal (4) inserted from the entrance of the terminal insertion hole (101). The terminal (3) has a locking spring (3a) engaged with the hole wall of the terminal insertion hole (101), and the locking spring (3a) can be pushed to an unlocking position disengaged from the hole wall of the terminal insertion hole (101) by a tongue (6a) of an unlocking tool (6) inserted through the tool slot (203).

13. The connector according to claim 12, characterized in that: A plurality of terminal insertion holes (101) are formed on the housing (1), the connector comprises a plurality of terminals (3), and the plurality of terminals (3) are respectively inserted into the plurality of terminal insertion holes (101); A plurality of guide holes (201) corresponding to the plurality of terminal insertion holes (101) are formed on the terminal guide cover (2) and are used to guide the plurality of mating terminals (4) of the mating connector to be centrally inserted into the plurality of terminal insertion holes (101) so as to mate with the plurality of mating terminals (4).

14. The connector according to claim 12, characterized in that: The terminal (3) has a mating end (31) and a connecting end (32) which are opposite to each other in the axial direction thereof, the mating end (31) being used to mate with an inserted mating terminal (4), and the connecting end (32) being used to electrically connect to a cable (5).

15. The connector according to claim 14, characterized in that: Also includes: a cable (5), one end of which extends into the terminal insertion hole (101) and is electrically connected to the connection end (32) of the terminal (3), The connection end (32) of the terminal (3) is crimped onto one end of the cable, and the cable is led out from the outlet of the terminal insertion hole (101).

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