Automobile wire harness protection sleeve
By introducing a combined structure of telescopic tube and inner protective sleeve into the automotive wiring harness protective sleeve, the problem of insufficient length adjustment and protection performance in the prior art is solved, and flexible adjustment of sleeve length and efficient protection of wire harness are achieved.
Patent Information
- Application Number
- CN202421011117.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The existing automotive wiring harness protective sleeves have problems with insufficient length adjustment capability and insufficient protection performance in protecting wire harnesses, especially the poor long-distance protection effect of the wire harness.
A protective sleeve for automobile wiring harness including a casing body, upper and lower telescopic tube, threaded sleeve, inner protective sleeve and filler block is designed. The casing length can be adjusted through a combined structure of external thread and internal thread, and through an insulating layer , flame retardant layer and adhesive layer improve protection performance.
It realizes flexible adjustment of casing length and effective protection of wire harness, improves the flame retardant and insulation performance of wire harness, ensures the stable fixation of wire harness in the casing, and avoids shaking.
Smart Images

Figure CN222301333U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile wiring harnesses, in particular to an automobile wiring harness protective sleeve. Background Art
[0002] With the rapid development of the automobile industry, people have higher and higher requirements on the quality of various spare parts of automobiles. For example, automobile wiring harnesses are wiring components that connect various electrical devices in automobile circuits. They are composed of insulating sheaths, wiring terminals, wires and insulating wrapping materials. Automobile wiring harnesses are important components that connect various electrical and electronic equipment in automobiles. Automobile wiring harnesses are the network body of automobile circuits.
[0003] After searching, it was found in the Chinese Utility Model Patent Publication No. CN219918286U that a protective sleeve for automotive wiring harness is disclosed. The sleeve is combined with the inner and outer arc structures of the pressure block, and the height of the outer arc changes to achieve nut thread extrusion of the pressure block. The threaded connection is stable, and the nut, the pressure block and the automotive wiring harness are fastened together. However, the above device only provides simple protection for the connector of the wire harness, the protection distance is short, the adjustable length of the sleeve is limited, and the protection ability for the wire harness is weak. Therefore, a protective sleeve that can adjust its own length over a long distance and has good protection performance is needed. Utility Model Content
[0004] The main purpose of the utility model is to provide an automobile wiring harness protective sleeve, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A protective sleeve for automobile wiring harness comprises a sleeve body, wherein an upper telescopic tube is arranged at the top of the outer surface of the sleeve body, an upper threaded sleeve is threadedly connected to the top of the outer surface of the sleeve body, a lower telescopic tube is arranged at the bottom of the outer surface of the sleeve body, and a lower threaded sleeve is threadedly connected to the bottom of the outer surface of the sleeve body.
[0007] In order to achieve the effect of installing the threaded sleeve on the sleeve, as an automobile wiring harness protective sleeve of the utility model, the outer surface of the sleeve body is provided with external threads, and the inner walls of the upper threaded sleeve and the lower threaded sleeve are both provided with internal threads.
[0008] In order to achieve the effect of providing protection for the inside of the sleeve, as an automotive wiring harness protective sleeve of the utility model, the inner wall of the sleeve body is fixedly connected with an inner protective sleeve, the inner protective sleeve includes an adhesive layer, the inner wall of the adhesive layer is fixedly connected with a flame retardant layer, and the inner wall of the flame retardant layer is fixedly connected with an insulating layer.
[0009] In order to achieve the effect of connection with the plug post, as an automobile wiring harness protective sleeve of the utility model, the top and bottom ends of the sleeve body are fixedly connected with end connecting pipes, and the outer surface of the sleeve body is provided with a plug hole.
[0010] In order to achieve the effect of fixing the end connecting tube, as an automobile wiring harness protective sleeve of the utility model, one end of the end connecting tube is fixedly connected to an elastic ring, and the outer surface of the elastic ring is fixedly connected to a plug post.
[0011] In order to achieve the effect of conveniently connecting with the end connecting tube of another sleeve, as an automobile wiring harness protective sleeve of the utility model, the outer surface of the end connecting tube is provided with a slot, and the inner wall of the slot is fixedly connected with a connecting plug.
[0012] In order to achieve the effect of fixing the end connecting tube, as an automobile wiring harness protective sleeve of the utility model, the outer surface of the end connecting tube is fixedly connected with a pin, and the upper surface of the pin is provided with a fixing groove.
[0013] In order to achieve the effect of limiting the position of the automobile electrical harness, as an automobile wiring harness protective sleeve of the utility model, the inner wall of the sleeve body is fixedly connected with a filling block, and the inner wall of the filling block is fixedly connected with the automobile electrical harness.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] 1. The automobile wiring harness protective sleeve is provided with a sleeve body, an upper telescopic tube, an upper threaded sleeve, a lower telescopic tube and a lower threaded sleeve. The external threads are arranged in sections at the upper telescopic tube and the lower telescopic tube. Therefore, the upper threaded sleeve or the lower threaded sleeve is rotated to make the internal thread leave a section of the external thread. At this time, the sleeve is stretched to make a section of the upper telescopic tube or the lower telescopic tube be pulled apart to extend the sleeve. By continuing to do so, the length of the sleeve can be adjusted to a length suitable for oneself. After that, a plug post on the elastic ring is inserted into the socket, and then another plug post is inserted into the other socket to complete the fixation of the end connecting tube, so that the length of the sleeve can be adjusted according to one's own needs, and the length of both ends of the sleeve can be adjusted over a long distance, thereby improving the applicability of the sleeve.
[0016] 2. The automotive wiring harness protective sleeve, through the setting of the inner protective sleeve and the filling block, the inner protective sleeve consists of three parts: an insulating layer, a flame retardant layer and an adhesive layer, which can effectively improve the flame retardant and insulating properties of the sleeve, and better protect the sleeve and the automotive wiring harness. After the automotive wiring harness enters the sleeve, the filling block can fill the sleeve and fix the positions of automotive wiring harnesses of different thicknesses to prevent them from shaking in the sleeve. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1This is a structural schematic diagram of an automobile wiring harness protective sleeve according to Embodiment 1 of the utility model;
[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of a protective sleeve for automobile wiring harness in front view of Embodiment 1 of the utility model;
[0019] Figure 3 This is a schematic cross-sectional structure diagram of a right side view of a protective sleeve for automotive wiring harness according to Embodiment 1 of the utility model;
[0020] Figure 4 This is a schematic diagram of the exploded structure of a threaded sleeve in a protective sleeve for an automobile wiring harness according to Embodiment 1 of the utility model;
[0021] Figure 5 This is a schematic diagram of the exploded structure of a connecting plug in a protective sleeve for an automobile wiring harness according to Embodiment 1 of the utility model;
[0022] Figure 6 This is a schematic diagram of a cross-sectional structure of a protective sleeve for automobile wiring harnesses viewed from above in Example 1 of the utility model;
[0023] Figure 7 This is a schematic cross-sectional structural diagram of an inner protective sleeve in an automobile wiring harness protective sleeve according to Example 1 of the utility model.
[0024] In the figure: 1. sleeve body; 2. upper telescopic tube; 3. upper threaded sleeve; 4. lower telescopic tube; 5. lower threaded sleeve; 6. external thread; 7. internal thread; 8. inner protective sleeve; 801. insulating layer; 802. flame retardant layer; 803. adhesive layer; 9. end connecting tube; 10. socket; 11. elastic ring; 12. plug-in column; 13. slot; 14. connecting plug block; 15. pin; 16. fixing groove; 17. filling block; 18. automotive wiring harness. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] Example 1
[0027] like Figure 1-7 As shown, a protective sleeve for automobile wiring harness comprises a sleeve body 1, an upper telescopic tube 2 is arranged on the top of the outer surface of the sleeve body 1, an upper threaded sleeve 3 is threadedly connected to the top of the outer surface of the sleeve body 1, a lower telescopic tube 4 is arranged on the bottom of the outer surface of the sleeve body 1, and a lower threaded sleeve 5 is threadedly connected to the bottom of the outer surface of the sleeve body 1.
[0028] When used specifically, through the arrangement of the casing body 1, the upper telescopic tube 2, the upper threaded sleeve 3, the lower telescopic tube 4 and the lower threaded sleeve 5, the top and bottom of the casing are respectively the upper telescopic tube 2 and the lower telescopic tube 4, the outer surface of the casing at the upper telescopic tube 2 and the lower telescopic tube 4 is an external thread 6, the upper threaded sleeve 3 and the lower threaded sleeve 5 are respectively threadedly connected to the upper telescopic tube 2 and the lower telescopic tube 4 at the external thread 6 through the internal thread 7 on the inner wall, when adjusting the length of the casing, the external thread 6 at the upper telescopic tube 2 and the lower telescopic tube 4 is segmented, so the upper threaded sleeve 3 is rotated to Or the lower threaded sleeve 5, so that the internal thread 7 leaves a section of the external thread 6, at this time, the upper telescopic tube 2 or the lower telescopic tube 4 is pulled apart by stretching the sleeve, and the sleeve is extended. By continuing in this way, the length of the sleeve can be adjusted to a length suitable for oneself, and then a plug post 12 on the elastic ring 11 is inserted into the socket 10, and then another plug post 12 is inserted into another socket 10 to complete the fixation of the end connecting tube 9, so that the length of the sleeve can be adjusted according to one's own needs, and the length of both ends of the sleeve can be adjusted over a long distance, thereby improving the applicability of the sleeve.
[0029] In this embodiment, the outer surface of the sleeve body 1 is provided with an external thread 6 , and the inner walls of the upper threaded sleeve 3 and the lower threaded sleeve 5 are both provided with an internal thread 7 .
[0030] When in use, the threaded sleeve is installed on the casing by setting the external thread 6 and the internal thread 7.
[0031] In this embodiment, the inner wall of the sleeve body 1 is fixedly connected with the inner protective sleeve 8, the inner protective sleeve 8 includes an adhesive layer 803, the inner wall of the adhesive layer 803 is fixedly connected with the flame retardant layer 802, and the inner wall of the flame retardant layer 802 is fixedly connected with the insulating layer 801.
[0032] During specific use, the inner protective sleeve 8 is provided to provide protection for the interior of the sleeve.
[0033] In this embodiment, the top and bottom ends of the sleeve body 1 are fixedly connected with the end connection pipe 9 , and the outer surface of the sleeve body 1 is provided with an insertion hole 10 .
[0034] When in use, the socket 10 is provided to connect with the plug post 12 .
[0035] In this embodiment, an elastic ring 11 is fixedly connected to one end of the end connecting tube 9 , and a plug post 12 is fixedly connected to the outer surface of the elastic ring 11 .
[0036] During specific use, the end connecting pipe 9 is fixed by setting the elastic ring 11 and the plug post 12.
[0037] In this embodiment, a slot 13 is formed on the outer surface of the end connecting pipe 9 , and a connecting plug 14 is fixedly connected to the inner wall of the slot 13 .
[0038] When in use, the connection plug block 14 is provided to facilitate connection with the end connection pipe 9 of another sleeve.
[0039] In this embodiment, a pin 15 is fixedly connected to the outer surface of the end connecting tube 9 , and a fixing groove 16 is formed on the upper surface of the pin 15 .
[0040] During specific use, the end connection tube 9 is fixed by setting the pin 15 .
[0041] In this embodiment, a filling block 17 is fixedly connected to the inner wall of the bushing body 1 , and an automobile wiring harness 18 is fixedly connected to the inner wall of the filling block 17 .
[0042] When used specifically, the position of the automobile wiring harness 18 is limited by setting the filling block 17 .
[0043] Working principle: When adjusting the length of the sleeve, the external thread 6 is segmented at the upper telescopic tube 2 and the lower telescopic tube 4. Therefore, the upper threaded sleeve 3 or the lower threaded sleeve 5 is rotated to make the internal thread 7 leave a segment of the external thread 6. At this time, the sleeve is stretched to make a segment of the upper telescopic tube 2 or the lower telescopic tube 4 be pulled apart to extend the sleeve. By continuing to do this, the length of the sleeve can be adjusted to a length that is suitable for you. Then, insert a pin 12 on the elastic ring 11 into the socket 10, and then insert another pin 12 into the other socket 10 to complete the fixation of the end connecting tube 9. After that, after the wire harness enters the sleeve, the position of the sleeve is fixed by the pin 15.
[0044] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. An automobile wiring harness protective sleeve, comprising a sleeve body (1), characterized in that: An upper telescopic tube (2) is arranged at the top of the outer surface of the sleeve body (1), and an upper threaded sleeve (3) is threadedly connected to the top of the outer surface of the sleeve body (1); a lower telescopic tube (4) is arranged at the bottom of the outer surface of the sleeve body (1), and a lower threaded sleeve (5) is threadedly connected to the bottom of the outer surface of the sleeve body (1).
2. The automotive wiring harness protective sleeve according to claim 1, characterized in that: The outer surface of the sleeve body (1) is provided with an external thread (6), and the inner walls of the upper threaded sleeve (3) and the lower threaded sleeve (5) are both provided with an internal thread (7).
3. The automotive wiring harness protective sleeve according to claim 1, characterized in that: The inner wall of the sleeve body (1) is fixedly connected to an inner protective sleeve (8), the inner protective sleeve (8) comprises an adhesive layer (803), the inner wall of the adhesive layer (803) is fixedly connected to a flame retardant layer (802), and the inner wall of the flame retardant layer (802) is fixedly connected to an insulating layer (801).
4. The automotive wiring harness protective sleeve according to claim 1, characterized in that: The top and bottom ends of the sleeve body (1) are fixedly connected to an end connection pipe (9), and an insertion hole (10) is provided on the outer surface of the sleeve body (1).
5. The automotive wiring harness protective sleeve according to claim 4, characterized in that: One end of the end connection pipe (9) is fixedly connected to an elastic ring (11), and the outer surface of the elastic ring (11) is fixedly connected to a plug post (12).
6. The automotive wiring harness protective sleeve according to claim 4, characterized in that: The outer surface of the end connection pipe (9) is provided with a slot (13), and the inner wall of the slot (13) is fixedly connected with a connection plug block (14).
7. The automotive wiring harness protective sleeve according to claim 4, characterized in that: A pin (15) is fixedly connected to the outer surface of the end connection tube (9), and a fixing groove (16) is provided on the upper surface of the pin (15).
8. The automotive wiring harness protective sleeve according to claim 1, characterized in that: A filling block (17) is fixedly connected to the inner wall of the sleeve body (1), and an automobile wiring harness (18) is fixedly connected to the inner wall of the filling block (17).
