Positioning telescopic device and wire arrangement tool

Abstract

The utility model provides a positioning telescopic device and a wire arrangement tool, and relates to the field of wire arrangement devices. The positioning telescopic device comprises a first limiting piece, a second limiting piece, a sliding component, a first wire fixing structure and a second wire fixing structure. The first limiting piece is provided with a first sliding way. The second limiting piece is provided with a second slideway; the sliding component is in sliding fit with the first slideway and / or the second slideway; the first limiting piece is provided with a limiting clamping groove used for wire arrangement. The first wire fixing structure is used for turning the wire harness passing through the limiting clamping groove into a second direction for carding; the second wire fixing structure is used for enabling the wire harness passing through the first wire fixing structure to stretch out through at least two times of bending. By adopting the scheme, redundancy of cable harnesses can be avoided.

Description

Technical Field

[0001] The present disclosure relates to the field of cable management devices, and in particular, to a positioning and telescopic device and a cable management tooling. Background Art

[0002] Currently, with the wide application of electronic devices, the production efficiency of the processing and assembly production lines of electronic devices needs to be optimized more and more. Among them, in the application scenarios where cables need to be connected between the sliding components of the mechanism of electronic devices, there will always be redundant wire harnesses in the existing cable connection methods. With the different lengths of the redundant wire harnesses involved in the application scenarios, the existing tooling tables cannot adapt to the cable management applications of redundant wire harnesses of multiple sizes, and the existing devices cannot realize the telescopic movement of the cable along with the relative sliding of the mechanism components. Summary of the Utility Model

[0003] The present disclosure provides a positioning and telescopic device and a cable management tooling to at least solve the above technical problems existing in the prior art.

[0004] According to a first aspect of the present disclosure, there is provided a positioning and telescopic device, including: a first limiting member, a second limiting member, a sliding member, a first wire fixing structure, and a second wire fixing structure. Wherein, the first limiting member has a first sliding track; the second limiting member has a second sliding track; the first limiting member is slidably engaged with the second sliding track along a first direction through the sliding member; and / or the second limiting member is slidably engaged with the first sliding track along the first direction through the sliding member; the first limiting member further has a limiting slot provided along the first direction, and the limiting slot is used for cable management; the first wire fixing structure is used to comb the wire harness passing through the limiting slot in a second direction; the second wire fixing structure is used to extend the wire harness passing through the first wire fixing structure after being bent at least twice.

[0005] In an implementable embodiment, the second limiting member further has a limiting sliding track provided along the first direction; at least a part of the second wire fixing structure is slidably connected to the limiting sliding track; the second limiting member further includes a fixing slot, and the fixing slot is located on the outer periphery of the limiting sliding track and away from the limiting slot; the fixing slot is used to limit the wire harness from extending out of the second limiting member in a second direction, and the second direction is perpendicular to the first direction.

[0006] In an implementable embodiment, the first wire fixing structure is fixed at the outlet of the limiting slot, the second wire fixing structure is located on the side of the first wire fixing structure close to the fixing slot, and the second wire fixing structure has an inverted U-shaped wire clamping path.

[0007] In an implementable embodiment, the first wire fixing structure has an avoidance platform arranged in a first direction and a first wire slot arranged in a second direction, and the avoidance platform is used for extending and connecting with the limit slot.

[0008] In an implementable embodiment, the avoidance platform has a locking hole position, the first limiting member has a first positioning post, and the positioning and telescopic device further includes a first positioning member, and the first positioning member passes through the locking hole position and is fixedly connected to the first positioning post.

[0009] In an implementable embodiment, the sliding member includes an upper roller and a lower roller fixedly connected to the upper roller in a third direction, and the upper roller and the lower roller form a U-shaped groove along their circumferences, and the sliding member is embedded in the first slideway and / or the second slideway through the U-shaped groove.

[0010] In an implementable embodiment, the first slideway includes a first through hole and a first groove formed on the edge of the first through hole, and the U-shaped groove of the sliding member is in sliding fit with the edge of the first through hole;

[0011] The second slideway includes a second through hole and a second groove formed on the edge of the second through hole, and the U-shaped groove of the sliding member is in sliding fit with the edge of the second through hole.

[0012] In an implementable embodiment, the first limiting member is configured as a continuous stepped structure, including: a first plane and a second plane and a third plane connected to both sides of the first plane, the first plane is arranged higher than the second plane and the third plane, the first slideway is formed on the first plane, part of the sliding member is installed on the second plane, and the limit slot is formed on the third plane;

[0013] The second limiting member is configured as a continuous stepped structure, including: a fourth plane and a fifth plane and a sixth plane connected to both sides of the fourth plane, the fourth plane is arranged lower than the fifth plane and the sixth plane, the second slideway is formed on the fifth plane, part of the sliding member is installed on the fourth plane, and the limit slideway is formed on the sixth plane.

[0014] In an implementable embodiment, the first limiting member has a blocking edge, and the blocking edge is used for defining the boundary position of the relative movement of the second limiting member with respect to the second limiting member.

[0015] According to a second aspect of the present disclosure, there is provided a wire management tooling, including the above-mentioned positioning and telescopic device, for orderly telescoping the length of the wire harness.

[0016] The positioning and telescopic device and wire management tooling of the present disclosure. For the sake of convenience in description, by way of example, the first limiting member is set as a fixed member, and the second limiting member is set as a moving member. There is a structure of relative sliding fit between the second limiting member and the first limiting member. For example: the sliding member on the first limiting member can roll relative to the second sliding track on the second limiting member, and the sliding member on the second limiting member can roll relative to the first sliding track on the first limiting member. The limiting card slot on the first limiting member is used to guide the wire harness, and there is a limiting sliding track on the second limiting member for guiding the limiting card slot. In summary, the second limiting member can move relative to the first limiting member in a relatively opening or closing manner along the first direction (which can be understood as the length direction of the two limiting members). Further, since the second wire fixing structure can move along the limiting sliding track, the first wire fixing structure is fixed at the outlet of the limiting card slot, and the wire harness is successively bound to the first wire fixing structure and the second wire fixing structure via the limiting card slot. In this way, when the wire harness is long, during the process of the second limiting member being pulled and opened relative to the first limiting member along the first direction, the position of the second wire fixing structure relative to the limiting sliding track can be adjusted, shortening the bending path of the wire harness between the two wire fixing structures along the second direction, and at the same time enabling the wire harness to be stretched along the first direction, avoiding redundancy of the wire harness at this station and facilitating wire management operations.

[0017] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the present disclosure, nor is it used to limit the scope of the present disclosure. Other features of the present disclosure will become easily understandable through the following description. Brief Description of the Drawings

[0018] By referring to the accompanying drawings and reading the following detailed description, the above and other purposes, features, and advantages of the exemplary embodiments of the present disclosure will become easily understandable. In the drawings, several embodiments of the present disclosure are shown in an exemplary and non-limiting manner, where:

[0019] In the drawings, the same or corresponding reference numerals represent the same or corresponding parts.

[0020] Figure 1 Shows an axonometric structural schematic diagram of the positioning and telescopic device of the embodiment of the present disclosure in the open state;

[0021] Figure 2 Shows an axonometric structural schematic diagram of the positioning and telescopic device of the embodiment of the present disclosure in the closed state;

[0022] Figure 3 Shows an axonometric structural schematic diagram of the first limiting member in the positioning and telescopic device of the embodiment of the present disclosure;

[0023] Figure 4 Shows an axonometric structural schematic diagram of the second limiting member in the positioning and telescopic device of the embodiment of the present disclosure;

[0024] Figure 5 The axonometric structural schematic diagram of the first wire fixing structure in the positioning and telescopic device according to the embodiment of the present disclosure is shown;

[0025] Figure 6 The axonometric structural schematic diagram of the second wire fixing structure in the positioning and telescopic device according to the embodiment of the present disclosure is shown;

[0026] Figure 7 The front view structural schematic diagram of the pulley member in the positioning and telescopic device according to the embodiment of the present disclosure is shown.

[0027] Explanation of the reference numerals in the figure:

[0028] 001 - Positioning and telescopic device; 10 - First limiting member; 20 - Second limiting member; 11 - First slideway; 111 - First through hole; 112 - First groove; 12 - Limiting card slot; 13 - First positioning post; 14 - Blocking edge; 121 - First closed end; 122 - First free end; 21 - Second slideway; 211 - Second through hole; 212 - Second groove; 22 - Limiting slideway; 23 - Fixed card slot; 221 - Second closed end; 222 - Second free end; 30 - Sliding member; 31 - Upper roller; 32 - Lower roller; 33 - U-shaped groove; 40 - First wire fixing structure; 41 - Avoidance platform; 411 - Locking hole position; 42 - First wire bundle card slot; 50 - Second wire fixing structure; 51 - Second wire bundle card slot; 52 - Third wire bundle card slot; 53 - Second positioning post; 60 - Wire harness; X - First direction; Y - Second direction; 101 - First plane; 102 - Second plane; 103 - Third plane; 201 - Fourth plane; 202 - Fifth plane; 203 - Sixth plane. Detailed implementation manners

[0029] In order to make the objectives, features, and advantages of the present disclosure more obvious and understandable, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present disclosure.

[0030] The terms used herein are only for describing specific implementation manners and are not intended to limit the exemplary embodiments according to the present disclosure. As used herein, unless otherwise clearly specified in the context, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "include" and / or "comprise" are used in this specification, they indicate the presence of features, steps, operations, components, assemblies, and / or combinations thereof.

[0031] In the description, claims, and drawings of the present disclosure, terms such as "first" and "second" are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances so that the embodiments of the present disclosure described here can be implemented in an order other than those illustrated or described here.

[0032] In the existing way of connecting cables in electronic devices, there will always be redundant cables. As the lengths of the redundant cables involved in the application scenarios are different, the existing tooling tables cannot adapt to the cable management applications of redundant cables with multiple sizes, and the existing devices cannot achieve the telescoping of the cable with the relative sliding of the random components.

[0033] To alleviate the above problems, an embodiment of the present disclosure provides a positioning and telescoping device that can stretch or shorten a cable along a preset direction, and the cable can be constrained within a preset path to avoid the occurrence of redundant cables.

[0034] Reference Figures 1-7 , an embodiment of the present disclosure provides a positioning and telescoping device 001, including: a first limiting member 10 and a second limiting member 20, which form a relative sliding relationship therebetween. Based on the processing application scenario of the cable redundant cable 60, one of them is set as a fixed member and the other as a moving member, and at the same time, a path for constraining the cable 60 is set between them. In this way, during the relative movement of the two limiting members, the cable 60 can be regularly constrained within the preset path, effectively avoiding the situation of redundant cables 60.

[0035] Reference Figure 1 And Figure 3 , the first limiting member 10 is configured as a continuous stepped structure, including: a first plane 101 and second planes 102 and third planes 103 connected to both sides of the first plane 101, and the first plane 101 is arranged higher than the second planes 102 and the third planes 103. The first plane 101, the second planes 102, and the third planes 103 are plane structures extending along the first direction X. Exemplarily, the first direction X is the length direction of the first limiting member 10. The first plane 101 is formed with a first slideway 11. Exemplarily, the first slideway 11 is configured as a closed annular structure extending along the first direction X. The second planes 102 are installed with partial sliding members 30, and the third planes 103 are formed with limiting card slots 12. The above-mentioned first slideway 11, sliding members 30, and limiting card slots 12 are all structural or construction features for sliding cooperation with the second limiting member 20.

[0036] Reference Figure 1 And Figure 4, the second limiting member 20 is configured as a continuous stepped structure, including: a fourth plane 201 and fifth planes 202 and sixth planes 203 connected to both sides of the fourth plane 201, and the fourth plane 201 is arranged lower than the fifth plane 202 and the sixth plane 203. Corresponding to a part of the sliding member 30 on the first limiting member 10, a second sliding track 21 is formed on the fifth plane 202, and the second sliding track 21 is configured as a closed annular structure extending along the first direction X; corresponding to the first sliding track 11 on the first limiting member 10, a part of the sliding member 30 is installed on the fourth plane 201. Corresponding to the limiting card slot 12 on the first limiting member 10, a limiting sliding track 22 is formed on the sixth plane 203.

[0037] Further referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the first sliding track 11 includes a first through hole 111 and a first groove 112 formed on the edge of the first through hole 111, and the U-shaped groove 33 of the sliding member 30 is in sliding fit with the edge of the first through hole 111; the second sliding track 21 includes a second through hole 211 and a second groove 212 formed on the edge of the second through hole 211, and the U-shaped groove 33 of the sliding member 30 is in sliding fit with the edge of the second through hole 211.

[0038] Based on the corresponding structures of the first limiting member 10 and the second limiting member 20 as above, the second limiting member 20 and the first limiting member 10 are stacked up and down, and the sliding member 30 on the first limiting member 10 is in sliding fit with the second sliding track 21, and the sliding member 30 on the second limiting member 20 is in sliding fit with the first sliding track 11; the limiting card slot 12 on the first limiting member 10 is in sliding fit with the limiting sliding track 22 on the second limiting member 20. In this way, the two limiting members can move in the first direction X for pulling open or closing.

[0039] Considering the function of the positioning and telescoping device 001 for telescoping and managing wires, further referring to Figure 1 and Figure 3 , a wire management function is set for the limiting card slot 12. Specifically, the limiting card slot 12 extends along the first direction X, and it includes a first closed end 121 and a first free end 122. The first free end 122 can be understood as the end with an opening. The limiting card slot 12 is separated from the first sliding track 11 and the second sliding track 21 to prevent the wire harness 60 from being wound or collided with the sliding member 30 when the two limiting members are pulled and moved.

[0040] Considering that the wire harness 60 can be constrained along a standard path, referring to Figure 1 , Figure 2 and Figure 5, the positioning and telescopic device 001 of the present disclosure embodiment further includes a first wire fixing structure 40. The first wire fixing structure 40 is fixedly arranged at the first free end 122 of the limit card slot 12. The first wire fixing structure 40 is used to comb the wire harness 60 passing through the limit card slot 12 in the second direction Y. Exemplarily, the second direction Y is the width direction of the first limiting member 10.

[0041] Specifically, referring to Figure 1 and Figure 5 , the first wire fixing structure 40 has an avoidance platform 41 arranged along the first direction X and a first wire slot 42 arranged along the second direction Y. The avoidance platform 41 is used to extend and connect with the limit card slot 12. Among them, the first wire slot 42 is used for the wire harness 60 to extend out of the first wire fixing structure 40 along the second direction Y. In addition, the avoidance platform 41 has a locking hole 411, and the first limiting member 10 has a first positioning post 13. The positioning and telescopic device 001 further includes a first positioning member. The first positioning member adopts a structural member with a thread locking function such as a screw or a bolt. Passing the first positioning member through the locking hole 411 can fixedly connect the first wire fixing structure 40 with the first positioning post 13. Although the first wire fixing structure 40 is fixed to the first limiting member 10, the bottom of the first wire fixing structure 40 also has a chute, which can be slidably matched with the limit slideway 22 of the second limiting member 20. During the relative sliding of the two limiting members, the first wire fixing structure 40 can serve as a stable wire bundling position.

[0042] The positioning and telescopic device 001 of the present disclosure embodiment further includes a second wire fixing structure 50. Referring to Figure 1 and Figure 6 , at least part of the second wire fixing structure 50 is slidably connected to the limit slideway 22. The second wire fixing structure 50 is used to extend the wire harness 60 passing through the first wire fixing structure 40 after at least two bends. Exemplarily, the second wire fixing structure 50 is used to bend the wire harness 60 including but not limited to twice, so as to fold and shorten the wire harness 60 in the second direction Y to achieve a rational effect during the stretching process. Exemplarily, the second wire fixing structure 50 is used to provide an inverted U-shaped card wiring path for the wire harness 60.

[0043] Specifically, the second wire fixing structure 50 is located on the side of the first wire fixing structure 40 close to the fixing card slot 23. The second wire fixing structure 50 has an inverted U-shaped wire carding path. Exemplarily, the second wire fixing structure 50 includes a second wire slot 51 and a third wire slot 52 arranged along the second direction Y. The two are arranged in parallel and separated, and there is a second positioning post 53 on the side of the second wire slot 51 and the third wire slot 52 close to the first slideway 11. In this way, the wire harness 60 extending along the second direction Y through the first wire fixing structure 40 is bent once and extends into the second wire slot 51, bypasses the second positioning post 53 and is bent once again, and then extends into the third wire slot 52 and is bent once more. In this way, the wire harness 60 can be folded more effectively to achieve the purpose of combing redundant wire harnesses 60.

[0044] Reference Figure 1 、 Figure 2 And Figure 4 , the limiting slideway 22 includes a second closed end 221 and a second free end 222. The second free end 222 is the end with an opening. During the relative opening or closing movement between the two limiting members, the second free end 222 is communicatively arranged with the first free end 122. In this way, the second wire fixing structure 50 can slide relative to the first wire fixing structure 40 along the limiting slideway 22, closer or farther away, to further achieve the wire harness grooming effect on the wire harness 60.

[0045] Further reference Figure 1 、 Figure 2 And Figure 4 , the second limiting member 20 further includes a fixing card slot 23. The fixing card slot 23 is located on the outer periphery of the limiting slideway 22 and close to the side of the second closed end 221; the fixing card slot 23 is used to limit the wire harness 60 from extending out of the second limiting member 20 along the second direction Y. It can be understood that the wire harness 60 extending through the second wire fixing structure 50 can be bent at least once more to achieve the wire harness grooming effect of shortening the wire harness 60. It should be noted that the second direction Y is perpendicular to the first direction X. The fixing card slot 23 in the embodiment of the present disclosure includes but is not limited to fixing the wire harness 60 at one end of the wire harness organizer.

[0046] Reference Figure 7 , considering that the sliding member 30 uses a roller to roll, and the rolling friction is less than the sliding friction principle to optimize the sliding resistance between the sliding parts. Specifically, the sliding member 30 includes an upper roller 31 and a lower roller 32 fixedly connected to the upper roller 31 along the third direction. The upper roller 31 and the lower roller 32 are assembled by screws or bolts passing through along the third direction. The third direction is the thickness direction of the first limiting member 10. Specifically, the upper roller 31 and the lower roller 32 form a U-shaped groove 33 along their circumferences. The sliding member 30 is embedded in the first slideway 11 and / or the second slideway 21 through the U-shaped groove 33 to achieve the sliding fit relationship between the two limiting members along the first direction X.

[0047] Considering that when the second limiting member 20 is in the moving closed state relative to the first limiting member 10, the two wire fixing structures will not collide. Further referring to Figure 1 and Figure 3 , the first limiting member 10 has a blocking edge 14, and the blocking edge 14 is used to define the boundary position of the relative movement of the second limiting member 20 relative to the second limiting member 20. Exemplarily, the blocking edge 14 is erected and higher than the first plane 101, the second plane 102 and the third plane 103.

[0048] In summary, the first limiting member 10 is set as a fixed member, the second limiting member 20 is set as a moving member, and there is a relatively sliding fit structure between the second limiting member 20 and the first limiting member 10. For example: the sliding member 30 on the first limiting member 10 can roll relative to the second slideway 21 on the second limiting member 20, the sliding member 30 on the second limiting member 20 can roll relative to the first slideway 11 on the first limiting member 10, the limiting card slot 12 on the first limiting member 10 is used to guide the wire harness 60, and the second limiting member 20 has a limiting slideway 22 for guiding the limiting card slot 12. In summary, the second limiting member 20 can move relative to the first limiting member 10 in the first direction X (which can be understood as the length direction of the two limiting members) for relative opening or closing. Further, since the second wire fixing structure 50 can move along the limiting slideway 22, the first wire fixing structure 40 is fixed at the outlet of the limiting card slot 12, and the wire harness 60 is sequentially bound to the first wire fixing structure 40 and the second wire fixing structure 50 via the limiting card slot 12. In this way, when the wire harness 60 is long, during the process of the second limiting member 20 being pulled and opened relative to the first limiting member 10 in the first direction X, by sliding the position of the second wire fixing structure 50 relative to the limiting slideway 22, the bending path along the second direction Y between the two wire fixing structures can be shortened, and at the same time, the wire harness 60 can be stretched along the first direction X, avoiding redundancy of the wire harness 60 at this station and facilitating wire arrangement operations.

[0049] The embodiment of the present disclosure also provides a wire arrangement tooling, including the above-mentioned positioning and telescoping device 001. The positioning and telescoping device 001 is used to orderly stretch and contract the length of the wire harness 60, and can achieve all the effects of the positioning and telescoping device 001, which will not be elaborated here.

[0050] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0051] The above-described embodiments merely represent several implementation manners of the present application. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all fall within the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. A positioning and telescopic device, characterized in that: include: A first limiting member (10), wherein the first limiting member (10) has a first slideway (11); A second limiting member (20), wherein the second limiting member (20) has a second slideway (21); a sliding member (30), wherein the first limiting member (10) is slidably engaged with the second slideway (21) along a first direction (X) via the sliding member (30); and / or The second limiting member (20) is slidably matched with the first slideway (11) along the first direction (X) via the sliding member (30); The first limiting member (10) further comprises a limiting slot (12) arranged along the first direction (X), and the limiting slot (12) is used for wiring; A first wire fixing structure (40), the first wire fixing structure (40) being used to turn the wire harness (60) passing through the limiting slot (12) into a second direction (Y) for combing; A second wire fixing structure (50), wherein the second wire fixing structure (50) is used to bend and extend the wire harness (60) passing through the first wire fixing structure (40) at least twice.

2. The positioning and telescopic device according to claim 1, characterized in that: The second limiting member (20) also has a limiting slide (22) arranged along the first direction (X); at least a part of the structure of the second wire fixing structure (50) is slidably connected to the limiting slide (22); the second limiting member (20) also includes a fixed card slot (23), and the fixed card slot (23) is located on the outer periphery of the limiting slide (22) and away from the limiting card slot (12); the fixed card slot (23) is used to limit the wire harness (60) from extending out of the second limiting member (20) along a second direction (Y), and the second direction (Y) is arranged perpendicular to the first direction (X).

3. The positioning and telescopic device according to claim 2, characterized in that: The first wire fixing structure (40) is fixed to the outlet of the limiting clamping slot (12), the second wire fixing structure (50) is located on a side of the first wire fixing structure (40) close to the fixed clamping slot (23), and the second wire fixing structure (50) has an inverted U-shaped wire fixing path.

4. The positioning and telescopic device according to claim 3, characterized in that: The first wire fixing structure (40) comprises an avoidance platform (41) arranged along a first direction (X) and a first wire harness slot (42) arranged along a second direction (Y); the avoidance platform (41) is used to extend and connect with the limit slot (12).

5. The positioning and telescopic device according to claim 4, characterized in that: The avoidance platform (41) has a locking hole (411), the first limiting member (10) has a first positioning column (13), and the positioning and telescopic device (001) also includes a first positioning member, and the first positioning member passes through the locking hole (411) and is fixedly connected to the first positioning column (13).

6. The positioning and telescopic device according to claim 2, characterized in that: The sliding member (30) comprises an upper roller (31) and a lower roller (32) fixedly connected to the upper roller (31) along a third direction, the upper roller (31) and the lower roller (32) forming a U-shaped groove (33) along their own circumference, and the sliding member (30) is embedded in the first slideway (11) and / or the second slideway (21) through the U-shaped groove (33).

7. The positioning and telescopic device according to claim 6, characterized in that: The first slideway (11) comprises a first through hole (111) and a first groove (112) formed on the edge of the first through hole (111), and the U-shaped groove (33) of the sliding member (30) is slidably matched with the edge of the first through hole (111); The second slideway (21) comprises a second through hole (211) and a second groove (212) formed on the edge of the second through hole (211), and the U-shaped groove (33) of the sliding member (30) is slidably matched with the edge of the second through hole (211).

8. The positioning and telescopic device according to claim 7, characterized in that: The first limiting member (10) is constructed as a continuous step structure, comprising: a first plane (101) and a second plane (102) and a third plane (103) connected to both sides of the first plane (101); the first plane (101) is arranged higher than the second plane (102) and the third plane (103); the first slideway (11) is formed on the first plane (101); part of the sliding member (30) is installed on the second plane (102); and the limiting slot (12) is formed on the third plane (103); The second limiting member (20) is constructed as a continuous step structure, comprising: a fourth plane (201) and a fifth plane (202) and a sixth plane (203) connected to both sides of the fourth plane (201), the fourth plane (201) being arranged lower than the fifth plane (202) and the sixth plane (203), the second slideway (21) being formed on the fifth plane (202), a part of the sliding member (30) being installed on the fourth plane (201), and the limiting slideway (22) being formed on the sixth plane (203).

9. The positioning and telescopic device according to claim 8, characterized in that: The first position-limiting member (10) has a blocking edge (14), and the blocking edge (14) is used to limit a boundary position of the second position-limiting member (20) moving relative to the second position-limiting member (20).

10. A wire management tool, characterized in that: It comprises a positioning and telescopic device (001) as described in any one of claims 1 to 9, and is used for orderly telescoping the length of the wire harness (60).

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