Unlocking tool and cable assembly pulling-out method

Abstract

The invention discloses an unlocking tool and a cable assembly pulling-out method. The unlocking tool comprises a first tool half body and a second tool half body, wherein the first tool half body comprises a first half cylinder part, a first mounting part and a first connecting part; and the second tool half body comprises a second half cylinder part, a second mounting part and a second connecting part. The first mounting part and the second mounting part are rotationally connected together, so that the first tool half body and the second tool half body can be rotationally opened and closed, and the first half cylinder part and the second half cylinder part are combined into a cylindrical end part when the first tool half body and the second tool half body are closed; the cylindrical end portion is suitable for being sleeved on a cable of a cable assembly and is suitable for being inserted into a mounting hole of a connector shell so as to simultaneously push a plurality of locking elastic sheets jointed with a terminal of the cable assembly to an unlocking position separated from the terminal, so that the cable assembly can be pulled out along with the unlocking tool. The unlocking tool is simple in structure and convenient to use, and the cable assembly can be pulled out of the connector shell through one-hand operation.

Description

Technical Field

[0001] The present invention relates to an unlocking tool and a method for removing a cable assembly from a connector housing using the unlocking tool. Background Technology

[0002] In existing technology, connectors typically include a connector housing and a cable assembly. The cable assembly includes a cable and terminals attached to the ends of the cable. The terminals of the cable assembly are inserted into mounting holes in the connector housing. Multiple locking springs are provided within the connector housing, engaging with the terminals of the cable assembly to lock them within the connector housing. When it is necessary to remove the cable assembly from the connector housing, an unlocking tool is required to simultaneously push the multiple locking springs within the connector housing to the unlocked position, separating them from the terminals of the cable assembly. In existing technology, unlocking tools typically include two semi-cylindrical components that can be snapped together to form a complete cylindrical component. However, this unlocking tool requires two hands to operate, making it inconvenient to use. Summary of the Invention

[0003] The purpose of this invention is to solve at least one aspect of the aforementioned problems and defects existing in the prior art.

[0004] According to one aspect of the present invention, an unlocking tool is provided. The unlocking tool includes: a first tool half, comprising a first cylindrical portion and a first mounting portion located at its two ends, and a first connecting portion connecting the first cylindrical portion and the first mounting portion; and a second tool half, comprising a second cylindrical portion and a second mounting portion located at its two ends, and a second connecting portion connecting the second cylindrical portion and the second mounting portion. The first and second mounting portions are rotatably connected together, such that the first and second tool halves can be rotatably opened and closed, the first and second cylindrical portions being combined into a cylindrical end when the first and second tool halves are closed; the cylindrical end is adapted to be fitted onto a cable of a cable assembly and adapted to be inserted into a mounting hole in a connector housing, so as to simultaneously push a plurality of locking springs engaging with terminals of the cable assembly to an unlocked position separated from the terminals, so that the cable assembly can be pulled out together with the unlocking tool.

[0005] According to an exemplary embodiment of the present invention, when the first tool half and the second tool half are closed, the side of the first half-cylinder and the side of the second half-cylinder contact each other, such that the first half-cylinder and the second half-cylinder are combined into a complete cylindrical end.

[0006] According to another exemplary embodiment of the present invention, when the first tool half and the second tool half are closed, the side of the first half-cylinder and the side of the second half-cylinder do not contact each other, and there is a predetermined gap between them, and the width of the predetermined gap in the circumferential direction of the cylindrical end is smaller than the width of the locking spring in the circumferential direction.

[0007] According to another exemplary embodiment of the present invention, when the first tool half and the second tool half are closed, the first connecting portion and the second connecting portion are combined into a semi-cylindrical body with an open side, so that the semi-cylindrical body and the cable contained in the semi-cylindrical body can be gripped simultaneously with one hand, so that the unlocking tool and the cable assembly can be pulled out together with one hand.

[0008] According to another exemplary embodiment of the present invention, the first connecting portion and the second connecting portion are each in the shape of a quarter cylinder, such that the first connecting portion and the second connecting portion can be combined to form the semi-cylindrical body.

[0009] According to another exemplary embodiment of the present invention, the first mounting portion includes a first end plate connected to the end of the first connecting portion and a first horizontal plate connected to the first end plate; the second mounting portion includes a second end plate connected to the end of the second connecting portion and a second horizontal plate connected to the second end plate; the first horizontal plate and the second horizontal plate are spaced apart from each other and rotatably connected together, such that the first tool half and the second tool half can be rotatably opened and closed.

[0010] According to another exemplary embodiment of the present invention, the unlocking tool further includes: a first bolt passing through the first horizontal plate and threadedly connected to the second horizontal plate, such that the first tool half can rotate about the first bolt relative to the second tool half.

[0011] According to another exemplary embodiment of the present invention, a pivot hole adapted to rotate with the smooth portion of the first bolt is formed on the first horizontal plate, and a first threaded hole adapted to threadedly connect with the threaded portion of the first bolt is formed on the second horizontal plate.

[0012] According to another exemplary embodiment of the present invention, the unlocking tool further includes: a first nut disposed on the outer side of the second horizontal plate opposite to the first horizontal plate, for threaded connection with the end of the first bolt, the head of the first bolt abutting against the outer side of the first horizontal plate opposite to the second horizontal plate, and the end of the first bolt protruding from the outer side of the second horizontal plate and threadedly connected to the first nut.

[0013] According to another exemplary embodiment of the present invention, an elongated limiting hole is formed on the first horizontal plate, and a second threaded hole is formed on the second horizontal plate; the unlocking tool further includes a second bolt, which passes through the limiting hole and is threadedly connected to the second threaded hole; the second bolt is movable between the two ends of the limiting hole, so that the first tool half can rotate relative to the second tool half within a predetermined angle range.

[0014] According to another exemplary embodiment of the present invention, when the first tool half and the second tool half are opened, the inner wall surface of one end of the limiting hole abuts against the second bolt to restrict the first tool half and the second tool half to a predetermined open position.

[0015] According to another exemplary embodiment of the present invention, when the first tool half and the second tool half are in the predetermined open position, the opening angle between the first tool half and the second tool half is no greater than degrees.

[0016] According to another exemplary embodiment of the present invention, the limiting hole is located between the first end plate and the pivot hole, and the second threaded hole is located between the second end plate and the first threaded hole.

[0017] According to another exemplary embodiment of the present invention, the unlocking tool further includes: a second nut disposed on the outer side of the second horizontal plate opposite to the first horizontal plate, for threaded connection with the end of the second bolt, the head of the second bolt abutting against the outer side of the first horizontal plate opposite to the second horizontal plate, and the end of the second bolt protruding from the outer side of the second horizontal plate and threadedly connected to the second nut.

[0018] According to another exemplary embodiment of the present invention, the unlocking tool further includes a reset torsion spring, which is installed between the first mounting portion and the second mounting portion for resetting the first tool half and the second tool half to the predetermined open position.

[0019] According to another exemplary embodiment of the present invention, the first mounting portion further includes a first vertical plate connected to one side of the first horizontal plate and the first end plate, and the second mounting portion further includes a second vertical plate connected to one side of the second horizontal plate and the second end plate, the first vertical plate and the second vertical plate being spaced apart from each other; the helical body of the reset torsion spring is fitted onto the first bolt and located between the first horizontal plate and the second horizontal plate, and the two rotating torsion arms of the reset torsion spring abut against the inner sides of the first vertical plate and the second vertical plate respectively.

[0020] According to another aspect of the present invention, a method for unplugging a cable assembly is provided. The method includes the following steps:

[0021] S10: Provides the aforementioned unlocking tools;

[0022] S20: Hold the unlocking tool in the open position with one hand and move the unlocking tool toward the cable assembly, so that the cable of the cable assembly enters between the first half-tube and the second half-tube of the unlocking tool;

[0023] S30: Hold the first and second connecting parts of the unlocking tool firmly with one hand, so that the unlocking tool is rotated from the open position to the closed position;

[0024] S40: Insert the cylindrical end of the unlocking tool into the mounting hole on the connector housing, so as to simultaneously push the plurality of locking springs inside the connector housing to the unlocked position separated from the terminals of the cable assembly through the cylindrical end; and

[0025] S50: Clamp the semi-cylindrical body of the unlocking tool and the cable with one hand and pull the unlocking tool and the cable assembly outward at the same time to pull the unlocking tool and the cable assembly out of the connector housing together.

[0026] In the foregoing exemplary embodiments of the present invention, the unlocking tool has a simple structure and is easy to use, enabling the cable assembly to be pulled out of the connector housing by one-handed operation.

[0027] Other objects and advantages of the invention will become apparent from the following description of the invention with reference to the accompanying drawings, and will help to provide a comprehensive understanding of the invention. Attached Figure Description

[0028] Figure 1 A schematic diagram of an unlocking tool according to an exemplary embodiment of the present invention is shown, wherein the unlocking tool is in the open position;

[0029] Figure 2 A schematic diagram of an unlocking tool according to an exemplary embodiment of the present invention is shown, wherein the unlocking tool is in a closed position;

[0030] Figure 3 An exploded view of an unlocking tool according to an exemplary embodiment of the present invention, viewed from one side;

[0031] Figure 4 An exploded view of an unlocking tool according to an exemplary embodiment of the present invention, viewed from the other side;

[0032] Figure 5A longitudinal sectional view of an unlocking tool according to an exemplary embodiment of the present invention is shown;

[0033] Figure 6 A plan view of a connector according to an exemplary embodiment of the present invention is shown;

[0034] Figure 7 The diagram shows the unlocking tool being placed on the cable assembly and inserted into the connector housing;

[0035] Figure 8 This diagram shows the insertion of the cylindrical end of the unlocking tool into the mounting hole of the connector housing;

[0036] Figure 9 The diagram shows the unlocking tool and cable assembly being pulled out of the connector housing together. Detailed Implementation

[0037] The technical solution of the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. In this specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation thereof.

[0038] Furthermore, in the following detailed description, numerous specific details are set forth for ease of explanation to provide a thorough understanding of the embodiments disclosed herein. However, it will be apparent that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and apparatuses are illustrated to simplify the figures.

[0039] According to a general technical concept of the present invention, an unlocking tool is provided. The unlocking tool includes: a first tool half, comprising a first cylindrical portion and a first mounting portion located at its two ends, and a first connecting portion connecting the first cylindrical portion and the first mounting portion; and a second tool half, comprising a second cylindrical portion and a second mounting portion located at its two ends, and a second connecting portion connecting the second cylindrical portion and the second mounting portion. The first and second mounting portions are rotatably connected together, allowing the first and second tool halves to be rotatably opened and closed. When the first and second cylindrical portions are closed, they are combined into a cylindrical end. The cylindrical end is adapted to be fitted onto the cable of a cable assembly and adapted to be inserted into a mounting hole in a connector housing, so as to simultaneously push a plurality of locking springs engaging with the terminals of the cable assembly to an unlocked position separated from the terminals, allowing the cable assembly to be pulled out together with the unlocking tool.

[0040] According to another general technical concept of the present invention, a method for removing a cable assembly is provided. The method includes: providing the aforementioned unlocking tool; holding the unlocking tool in the open position with one hand and moving the unlocking tool toward the cable of the cable assembly, such that the cable of the cable assembly enters between the first and second semi-cylindrical portions of the unlocking tool; gripping the first and second connecting portions of the unlocking tool with one hand, such that the unlocking tool is rotated from the open position to the closed position; inserting the cylindrical end of the unlocking tool into a mounting hole on a connector housing, thereby simultaneously pushing a plurality of locking springs within the connector housing to an unlocked position separated from the terminals of the cable assembly through the cylindrical end; and clamping the semi-cylindrical body of the unlocking tool and the cable with one hand while simultaneously pulling the unlocking tool and the cable assembly outwards, thereby removing the unlocking tool and the cable assembly together from the connector housing.

[0041] Figure 1 A schematic diagram of an unlocking tool 1 according to an exemplary embodiment of the present invention is shown, wherein the unlocking tool 1 is in the open position; Figure 2 A schematic diagram of an unlocking tool 1 according to an exemplary embodiment of the present invention is shown, wherein the unlocking tool 1 is in a closed position; Figure 3 An exploded view of the unlocking tool 1 according to an exemplary embodiment of the present invention, viewed from one side; Figure 4 An exploded view of the unlocking tool 1 according to an exemplary embodiment of the present invention, viewed from the other side; Figure 5 A longitudinal sectional view of an unlocking tool 1 according to an exemplary embodiment of the present invention is shown; Figure 6 A plan view of a connector according to an exemplary embodiment of the present invention is shown; Figure 7 The diagram shows the unlocking tool 1 being placed on the cable assembly 2 and inserted into the connector housing 3; Figure 8 This diagram shows the insertion of the cylindrical end 11 of the unlocking tool 1 into the mounting hole 31 of the connector housing 3;

[0042] Figure 9 This diagram shows the unlocking tool 1 and cable assembly 2 being pulled out of the connector housing 3 together.

[0043] like Figures 1 to 9As shown, in an exemplary embodiment of the present invention, an unlocking tool 1 is disclosed. The unlocking tool 1 includes a first tool half 10a and a second tool half 10b. The first tool half 10a includes a first cylindrical portion 11a and a first mounting portion 12a located at its two ends, and a first connecting portion 13a connecting the first cylindrical portion 11a and the first mounting portion 12a. The second tool half 10b includes a second cylindrical portion 11b and a second mounting portion 12b located at its two ends, and a second connecting portion 13b connecting the second cylindrical portion 11b and the second mounting portion 12b.

[0044] like Figures 1 to 9 As shown, in the illustrated embodiment, the first mounting portion 12a and the second mounting portion 12b are rotatably connected together, such that the first tool half 10a and the second tool half 10b can be rotatably opened and closed, and the first half-cylinder portion 11a and the second half-cylinder portion 11b are combined into a hollow cylindrical end 11 when the first tool half 10a and the second tool half 10b are closed.

[0045] like Figures 1 to 9 As shown in the illustrated embodiment, the cylindrical end 11 of the unlocking tool 1 is adapted to be fitted onto the cable 21 of the cable assembly 2 and is adapted to be inserted into the mounting hole 31 of the connector housing 3, so as to simultaneously push the multiple locking springs 32 that engage with the terminal 22 of the cable assembly 2 to the unlocked position separated from the terminal 22, so that the cable assembly 2 can be pulled out together with the unlocking tool 1.

[0046] like Figures 1 to 9 As shown in the illustrated embodiment, when the first tool half 10a and the second tool half 10b are closed, the side of the first half-cylinder 11a and the side of the second half-cylinder 11b come into contact with each other, so that the first half-cylinder 11a and the second half-cylinder 11b are combined into a complete cylindrical end 11.

[0047] However, please note that the present invention is not limited to the illustrated embodiments. For example, in another exemplary embodiment of the present invention, when the first tool half 10a and the second tool half 10b are closed, the sides of the first semi-cylindrical portion 11a and the second semi-cylindrical portion 11b do not contact each other, and there is a predetermined gap between them. The width of this predetermined gap in the circumferential direction of the cylindrical end 11 is smaller than the width of the locking spring 32 in the circumferential direction. In this way, interference problems caused by manufacturing errors can be prevented.

[0048] like Figures 1 to 9As shown in the illustrated embodiment, when the first tool half 10a and the second tool half 10b are closed, the first connecting part 13a and the second connecting part 13b are combined into a semi-cylindrical body 13 with an open side, so that the semi-cylindrical body 13 and the cable 21 contained in the semi-cylindrical body 13 can be held simultaneously with one hand, so that the unlocking tool 1 and the cable assembly 2 can be pulled out together with one hand.

[0049] like Figures 1 to 9 As shown in the illustrated embodiment, the first connecting portion 13a and the second connecting portion 13b are respectively in the shape of a quarter cylinder, so that the first connecting portion 13a and the second connecting portion 13b can be combined into a semi-cylindrical body 13.

[0050] like Figures 1 to 9 As shown in the illustrated embodiment, the first mounting portion 12a includes a first end plate 121a connected to the end of the first connecting portion 13a and a first horizontal plate 122a connected to the first end plate 121a. The second mounting portion 12b includes a second end plate 121b connected to the end of the second connecting portion 13b and a second horizontal plate 122b connected to the second end plate 121b. The first horizontal plate 122a and the second horizontal plate 122b are spaced apart from each other and rotatably connected together, such that the first tool half 10a and the second tool half 10b can be rotatably opened and closed.

[0051] like Figures 1 to 9 As shown, in the illustrated embodiment, the unlocking tool 1 further includes a first bolt 14, which passes through a first horizontal plate 122a and is threadedly connected to a second horizontal plate 122b, so that the first tool half 10a can rotate about the first bolt 14 relative to the second tool half 10b.

[0052] like Figures 1 to 9 As shown in the illustrated embodiment, a pivot hole 124a is formed on the first horizontal plate 122a, which is adapted to rotate with the smooth part of the first bolt 14, and a first threaded hole 124b is formed on the second horizontal plate 122b, which is adapted to threadedly connect with the threaded part of the first bolt 14.

[0053] like Figures 1 to 9 As shown in the illustrated embodiment, the unlocking tool 1 further includes a first nut 17, which is disposed on the outer side of the second horizontal plate 122b opposite to the first horizontal plate 122a, for threaded connection with the end of the first bolt 14. The head of the first bolt 14 abuts against the outer side of the first horizontal plate 122a opposite to the second horizontal plate 122b, and the end of the first bolt 14 protrudes from the outer side of the second horizontal plate 122b and is threadedly connected to the first nut 17.

[0054] like Figures 1 to 9As shown in the illustrated embodiment, an elongated limiting hole 125a is formed on the first horizontal plate 122a, and a second threaded hole 125b is formed on the second horizontal plate 122b. The unlocking tool 1 also includes a second bolt 15, which passes through the limiting hole 125a and is threadedly connected to the second threaded hole 125b. The second bolt 15 is movable between the two ends of the limiting hole 125a, allowing the first tool half 10a to rotate relative to the second tool half 10b within a predetermined angle range.

[0055] like Figures 1 to 9 As shown in the illustrated embodiment, when the first tool half 10a and the second tool half 10b are opened, the inner wall surface of one end of the limiting hole 125a abuts against the second bolt 15 to restrict the first tool half 10a and the second tool half 10b to a predetermined open position.

[0056] like Figures 1 to 9 As shown in the illustrated embodiment, when the first tool half 10a and the second tool half 10b are in the predetermined open position, the opening angle between the first tool half 10a and the second tool half 10b is no greater than 20 degrees.

[0057] like Figures 1 to 9 As shown in the illustrated embodiment, the limiting hole 125a is located between the first end plate 121a and the pivot hole 124a, and the second threaded hole 125b is located between the second end plate 121b and the first threaded hole 124b.

[0058] like Figures 1 to 9 As shown in the illustrated embodiment, the unlocking tool 1 further includes a second nut 18, which is disposed on the outer side of the second horizontal plate 122b opposite to the first horizontal plate 122a, for threaded connection with the end of the second bolt 15. The head of the second bolt 15 abuts against the outer side of the first horizontal plate 122a opposite to the second horizontal plate 122b, and the end of the second bolt 15 protrudes from the outer side of the second horizontal plate 122b and is threadedly connected to the second nut 18.

[0059] like Figures 1 to 9 As shown in the illustrated embodiment, the unlocking tool 1 further includes a reset torsion spring 16, which is installed between the first mounting portion 12a and the second mounting portion 12b, for resetting the first tool half 10a and the second tool half 10b to a predetermined open position.

[0060] like Figures 1 to 9As shown in the illustrated embodiment, the first mounting portion 12a further includes a first vertical plate 123a connected to one side of the first horizontal plate 122a and the first end plate 121a, and the second mounting portion 12b further includes a second vertical plate 123b connected to one side of the second horizontal plate 122b and the second end plate 121b. The first vertical plate 123a and the second vertical plate 123b are spaced apart and opposite to each other. The helical body 160 of the return torsion spring 16 is fitted onto the first bolt 14 and located between the first horizontal plate 122a and the second horizontal plate 122b. The two rotating torsion arms 161 of the return torsion spring 16 abut against the inner sides of the first vertical plate 123a and the second vertical plate 123b, respectively.

[0061] like Figures 1 to 9 As shown, in another exemplary embodiment of the present invention, a method for unplugging a cable assembly is also disclosed. This method includes the following steps:

[0062] S10: Provide the aforementioned unlocking tool 1;

[0063] S20: Hold the unlocking tool 1 in the open position with one hand and move the unlocking tool 1 toward the cable 21 of the cable assembly 2, so that the cable 21 of the cable assembly 2 enters between the first half-tube portion 11a and the second half-tube portion 11b of the unlocking tool 1.

[0064] S30: Hold the first connecting part 13a and the second connecting part 13b of the unlocking tool 1 with one hand, so that the unlocking tool 1 is rotated from the open position to the closed position;

[0065] S40: Insert the cylindrical end 11 of the unlocking tool 1 into the mounting hole 31 on the connector housing 3, so as to simultaneously push the multiple locking springs 32 inside the connector housing 3 to the unlocking position separated from the terminal 22 of the cable assembly 2 through the cylindrical end 11.

[0066] S50: Clamp the semi-cylindrical body 13 of the unlocking tool 1 and the cable 21 with one hand and pull the unlocking tool 1 and the cable assembly 2 outward at the same time to pull the unlocking tool 1 and the cable assembly 2 out of the connector housing 3 together.

[0067] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved upon. The structures described in the various embodiments can be freely combined without causing structural or principle conflicts, and these changes should fall within the protection scope of this invention.

[0068] Although the invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to illustrate preferred embodiments of the invention and should not be construed as limiting the invention.

[0069] While some embodiments of the general concept of the invention have been shown and described, those skilled in the art will understand that changes may be made to these embodiments without departing from the principles and spirit of the general concept of the invention, the scope of which is defined by the claims and their equivalents.

[0070] It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude multiple elements. Furthermore, any reference numerals in the claims should not be construed as limiting the scope of the invention.

Claims

1. An unlocking tool, characterized in that, include: The first tool half (10a) includes a first cylindrical portion (11a) and a first mounting portion (12a) located at their respective ends, and a first connecting portion (13a) connecting the first cylindrical portion (11a) and the first mounting portion (12a); and The second tool half (10b) includes a second cylindrical portion (11b) and a second mounting portion (12b) located at its two ends, and a second connecting portion (13b) connecting the second cylindrical portion (11b) and the second mounting portion (12b). The first and second mounting portions (12a, 12b) are rotatably connected together, allowing the first and second tool halves (10a, 10b) to be rotatably opened and closed. The first and second cylindrical halves (11a, 11b) are assembled into a cylindrical end (11) when the first and second tool halves (10a, 10b) are closed. The cylindrical end (11) is adapted to be fitted onto the cable (21) of the cable assembly (2) and to be inserted into the mounting hole (31) of the connector housing (3) to simultaneously push a plurality of locking springs (32) that engage with the terminals (22) of the cable assembly (2) to an unlocked position separated from the terminals (22), so that the cable assembly (2) can be pulled out together with the unlocking tool (1).

2. The unlocking tool according to claim 1, characterized in that: When the first tool half (10a) and the second tool half (10b) are closed, the side of the first half-cylinder (11a) and the side of the second half-cylinder (11b) come into contact with each other, so that the first half-cylinder (11a) and the second half-cylinder (11b) are combined into a complete cylindrical end (11).

3. The unlocking tool according to claim 1, characterized in that: When the first tool half (10a) and the second tool half (10b) are closed, the side of the first half-cylinder (11a) and the side of the second half-cylinder (11b) do not contact each other, and there is a predetermined gap between them. The width of the predetermined gap in the circumferential direction of the cylindrical end (11) is smaller than the width of the locking spring (32) in the circumferential direction.

4. The unlocking tool according to claim 1, characterized in that: When the first tool half (10a) and the second tool half (10b) are closed, the first connecting part (13a) and the second connecting part (13b) are combined into a semi-cylindrical body (13) with an open side, so that the semi-cylindrical body (13) and the cable (21) contained in the semi-cylindrical body (13) can be held simultaneously with one hand, so that the unlocking tool (1) and the cable assembly (2) can be pulled out together with one hand.

5. The unlocking tool according to claim 4, characterized in that: The first connecting part (13a) and the second connecting part (13b) are respectively in the shape of a quarter cylinder, so that the first connecting part (13a) and the second connecting part (13b) can be combined to form the semi-cylindrical body (13).

6. The unlocking tool according to claim 1, characterized in that: The first mounting portion (12a) includes a first end plate (121a) connected to the end of the first connecting portion (13a) and a first horizontal plate (122a) connected to the first end plate (121a); The second mounting portion (12b) includes a second end plate (121b) connected to the end of the second connecting portion (13b) and a second horizontal plate (122b) connected to the second end plate (121b); The first horizontal plate (122a) and the second horizontal plate (122b) are spaced apart from each other and rotatably connected together, so that the first tool half (10a) and the second tool half (10b) can be rotatably opened and closed.

7. The unlocking tool according to claim 6, characterized in that, Also includes: A first bolt (14) passes through the first horizontal plate (122a) and is threadedly connected to the second horizontal plate (122b), such that the first tool half (10a) can rotate about the first bolt (14) relative to the second tool half (10b).

8. The unlocking tool according to claim 7, characterized in that: A pivot hole (124a) is formed on the first horizontal plate (122a) to be rotatably engaged with the smooth part of the first bolt (14), and a first threaded hole (124b) is formed on the second horizontal plate (122b) to be threadedly connected with the threaded part of the first bolt (14).

9. The unlocking tool according to claim 8, characterized in that, Also includes: A first nut (17) is disposed on the outer side of the second horizontal plate (122b) opposite to the first horizontal plate (122a) for threaded connection with the end of the first bolt (14). The head of the first bolt (14) abuts against the outer side of the first horizontal plate (122a) opposite to the second horizontal plate (122b), and the end of the first bolt (14) protrudes from the outer side of the second horizontal plate (122b) and is threadedly connected to the first nut (17).

10. The unlocking tool according to claim 8, characterized in that: An elongated limiting hole (125a) is formed on the first horizontal plate (122a), and a second threaded hole (125b) is formed on the second horizontal plate (122b). The unlocking tool (1) also includes a second bolt (15), which passes through the limiting hole (125a) and is threadedly connected to the second threaded hole (125b); The second bolt (15) is movable between the two ends of the limiting hole (125a), so that the first tool half (10a) can rotate relative to the second tool half (10b) within a predetermined angle range.

11. The unlocking tool according to claim 10, characterized in that: When the first tool half (10a) and the second tool half (10b) are opened, the inner wall surface of one end of the limiting hole (125a) abuts against the second bolt (15) to restrict the first tool half (10a) and the second tool half (10b) to a predetermined open position.

12. The unlocking tool according to claim 11, characterized in that: When the first tool half (10a) and the second tool half (10b) are in the predetermined open position, the opening angle between the first tool half (10a) and the second tool half (10b) is no greater than 20 degrees.

13. The unlocking tool according to claim 10, characterized in that: The limiting hole (125a) is located between the first end plate (121a) and the pivot hole (124a), and the second threaded hole (125b) is located between the second end plate (121b) and the first threaded hole (124b).

14. The unlocking tool according to claim 10, characterized in that, Also includes: A second nut (18) is disposed on the outer side of the second horizontal plate (122b) opposite to the first horizontal plate (122a) for threaded connection with the end of the second bolt (15). The head of the second bolt (15) abuts against the outer side of the first horizontal plate (122a) opposite to the second horizontal plate (122b), and the end of the second bolt (15) protrudes from the outer side of the second horizontal plate (122b) and is threadedly connected to the second nut (18).

15. The unlocking tool according to claim 11, characterized in that: The unlocking tool (1) further includes a reset torsion spring (16), which is installed between the first mounting part (12a) and the second mounting part (12b) for resetting the first tool half (10a) and the second tool half (10b) to the predetermined open position.

16. The unlocking tool according to claim 15, characterized in that: The first mounting part (12a) further includes a first vertical plate (123a) connected to one side of the first horizontal plate (122a) and the first end plate (121a), and the second mounting part (12b) further includes a second vertical plate (123b) connected to one side of the second horizontal plate (122b) and the second end plate (121b), and the first vertical plate (123a) and the second vertical plate (123b) are spaced apart from each other; The spiral body (160) of the reset torsion spring (16) is fitted onto the first bolt (14) and located between the first horizontal plate (122a) and the second horizontal plate (122b). The two rotating torsion arms (161) of the reset torsion spring (16) abut against the inner sides of the first vertical plate (123a) and the second vertical plate (123b), respectively.

17. A method for unplugging a cable assembly, characterized in that, Includes the following steps: S10: Provide an unlocking tool (1) according to any one of claims 1-16; S20: Hold the unlocking tool (1) in the open position with one hand and move the unlocking tool (1) toward the cable (21) of the cable assembly (2) so that the cable (21) of the cable assembly (2) enters between the first half-tube portion (11a) and the second half-tube portion (11b) of the unlocking tool (1); S30: Hold the first connecting part (13a) and the second connecting part (13b) of the unlocking tool (1) with one hand, so that the unlocking tool (1) is rotated from the open position to the closed position; S40: Insert the cylindrical end (11) of the unlocking tool (1) into the mounting hole (31) on the connector housing (3) so as to simultaneously push the multiple locking springs (32) in the connector housing (3) to the unlocking position separated from the terminal (22) of the cable assembly (2) through the cylindrical end (11); S50: Clamp the semi-cylindrical body (13) of the unlocking tool (1) and the cable (21) with one hand and pull the unlocking tool (1) and the cable assembly (2) outward at the same time to pull the unlocking tool (1) and the cable assembly (2) out of the connector housing (3) together.

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