Internal wiring sealing device of the frame

CN224617863UActive Publication Date: 2026-08-11KUNSHAN SEVENONE CYCLE CO LTD
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Patent Information

Application Number
CN202521831978.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-27
Publication Date
2026-08-11
Estimated Expiration
2035-08-27

AI Technical Summary

Technical Problem

[0004]车架内部走线密封过程中,由于线束穿入电动自行车车架内部时,线束较为柔软,因此在穿线密封时,难以实现顺畅穿线密封,导致电动自行车车架内部走线密封起来的效率就较低

Benefits of technology

[0018]1、本实用新型采用润滑组件,将线芯穿入到上横管内部,通过上横管内部的第一横向润滑层实现润滑处理,并且线芯顺着斜管内壁的纵向润滑层实现润滑处理,线芯再经过下横管内壁的第二横向润滑层实现润滑导向处理,可以实现顺畅穿线密封,使得电动自行车车架内部走线密封起来的效率更高;

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a frame internal wiring sealing device, specifically relates to electric bicycle technical field, including upper horizontal pipe, one end portion fixed communication of upper horizontal pipe has the inclined pipe, and the bottom of inclined pipe is installed with lubricating assembly, and lubricating assembly includes: lower horizontal pipe, fixed communication is in the bottom of inclined pipe, and the inner wall of upper horizontal pipe is attached with first horizontal lubricating layer, longitudinal lubricating layer, and the inner wall of lower horizontal pipe is attached with second horizontal lubricating layer. The utility model adopts lubricating assembly, realizes lubricating treatment through the first horizontal lubricating layer in the inside of upper horizontal pipe, and the core realizes lubricating treatment along the longitudinal lubricating layer of the inner wall of inclined pipe, and the core realizes lubricating guiding treatment again through the second horizontal lubricating layer of lower horizontal pipe inner wall, can realize smooth threading sealing, makes the efficiency of electric bicycle frame internal wiring sealing higher.
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Description

Technical Field

[0001] This utility model relates to the field of electric bicycle technology, and more specifically, to a wire routing sealing device inside the frame. Background Technology

[0002] The internal cable sealing device is a key component in electric bicycles used to protect internal cables. Its core function is to extend cable life, improve system stability, and ensure the safety of electric bicycles through physical isolation, environmental protection, and dynamic sealing.

[0003] Among existing publicly available documents, patent publication number CN219029661U discloses a bicycle frame with internal cable routing. This technology utilizes a second cable routing hole on the lower fork connector that communicates with the inside of the center tube, a third cable routing hole that communicates with the inside of the left lower fork, and a fourth cable routing hole that communicates with the inside of the right lower fork. The left and right lower forks also have a first cable exit hole and a second cable exit hole, respectively. This invention can conceal the cable within the bicycle frame, not only improving the cable's lifespan but also enhancing its aesthetics. However, this patent has the following drawbacks.

[0004] During the internal wiring sealing process of the electric bicycle frame, the wire harness is relatively soft when it is inserted into the frame. Therefore, it is difficult to achieve smooth wire threading and sealing, resulting in low efficiency in sealing the internal wiring of the electric bicycle frame. Utility Model Content

[0005] To overcome the aforementioned deficiencies of the prior art, this utility model provides the following technical solution: an internal wiring sealing device for a vehicle frame, comprising an upper horizontal tube, one end of which is fixedly connected to an inclined tube, and a lubrication assembly installed at the bottom end of the inclined tube, the lubrication assembly comprising:

[0006] The lower horizontal tube is fixedly connected to the bottom end of the inclined tube, and the inner wall of the upper horizontal tube is coated with a first transverse lubricating layer.

[0007] A longitudinal lubricating layer is attached to the inner wall of the inclined tube, and a second transverse lubricating layer is attached to the inner wall of the lower transverse tube.

[0008] In a preferred embodiment, the inclined tube is inclined, and the interiors of the upper horizontal tube, the inclined tube, and the lower horizontal tube are all provided with gaps.

[0009] In a preferred embodiment, the vertical cross-sectional shape of the first and second transverse lubricating layers is annular, and the inner walls of the longitudinal lubricating layer, the first transverse lubricating layer, and the second transverse lubricating layer are all smooth surfaces.

[0010] In a preferred embodiment, the second transverse lubricating layer has wire cores interwoven inside, and both ends of the wire cores are made of copper.

[0011] In a preferred embodiment, a pressure ring is fixedly connected to the outer wall of the lower horizontal tube near one end thereon, and a sealing ring is fixed to one side of each pressure ring;

[0012] The sealing ring is made of rubber.

[0013] In a preferred embodiment, positioning rings are provided on both sides of the wire core;

[0014] The outer wall of the positioning ring is fixedly connected with a strip, and the inner wall of the second transverse lubrication layer is embedded with a groove strip, which is fixedly connected to the lower transverse tube.

[0015] The insert is used to position the inner wall of the insertion slot.

[0016] In a preferred embodiment, the inner wall of the positioning ring is a smooth surface, and the wire core is positioned and inserted into the positioning ring.

[0017] The technical effects and advantages of this utility model are as follows:

[0018] 1. This utility model uses a lubrication component to insert the wire core into the upper horizontal tube. The wire core is lubricated through the first transverse lubrication layer inside the upper horizontal tube, and then lubricated along the longitudinal lubrication layer on the inner wall of the inclined tube. The wire core is then lubricated and guided through the second transverse lubrication layer on the inner wall of the lower horizontal tube. This allows for smooth wire threading and sealing, making the sealing of the wires inside the electric bicycle frame more efficient.

[0019] 2. When the positioning ring and the wire core are positioned and connected, the positioning ring is positioned and fitted along the outer wall of the wire core, and the insert is inserted into the inner wall of the groove strip to ensure that the wire core is stably installed inside the lower horizontal tube. The right side of the sealing ring can be bonded and sealed with the installation area to avoid the wire core head from shifting and to achieve a better sealing effect. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the internal wiring sealing device of the vehicle frame according to this utility model.

[0021] Figure 2 This is a schematic diagram of the vertical cross-section of the internal wiring sealing device of the vehicle frame according to this utility model.

[0022] Figure 3 This is a partial structural diagram of the vertical cross-section of the connection between the lower horizontal tube and the pressure ring of this utility model.

[0023] Figure 4This is a partial structural diagram of the vertical cross-section of the connection between the pressure ring and the sealing ring of this utility model.

[0024] The attached diagram is labeled as follows: 1. Upper horizontal tube; 2. Inclined tube; 3. Lower horizontal tube; 4. First transverse lubricating layer; 5. Longitudinal lubricating layer; 6. Second transverse lubricating layer; 7. Core wire; 8. Pressure ring; 9. Sealing ring; 10. Positioning ring; 11. Insert strip; 12. Groove strip. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] As attached Figure 1 - Appendix Figure 4 The diagram shows an internal wiring sealing device for a bicycle frame. This device is equipped with a lubrication component, which enables smooth wiring and sealing, thus improving the efficiency of sealing the internal wiring of the electric bicycle frame. The specific structure of the lubrication component is as follows.

[0027] In this embodiment, as shown in the appendix Figure 1 - Appendix Figure 3 As shown, a lubrication assembly is installed at the bottom end of the inclined tube 2. The lubrication assembly includes: a lower horizontal tube 3, fixedly connected to the bottom end of the inclined tube 2; a first transverse lubrication layer 4 attached to the inner wall of the upper horizontal tube 1; a longitudinal lubrication layer 5 attached to the inner wall of the inclined tube 2; and a second transverse lubrication layer 6 attached to the inner wall of the lower horizontal tube 3. The inclined tube 2 is inclined, and gaps are provided inside the upper horizontal tube 1, the inclined tube 2, and the lower horizontal tube 3. The vertical cross-sectional shape of the first transverse lubrication layer 4 and the second transverse lubrication layer 6 is annular, and the inner walls of the longitudinal lubrication layer 5, the first transverse lubrication layer 4, and the second transverse lubrication layer 6 are all smooth surfaces.

[0028] In this embodiment, as shown in the appendix Figure 3 As shown, the second transverse lubrication layer 6 has a wire core 7 inserted inside, with both ends of the wire core 7 made of copper. This allows the wire core 7 to be routed through the upper transverse tube 1, the inclined tube 2, and the lower transverse tube 3 by inserting it into the upper transverse tube 1.

[0029] In this embodiment, as shown in the appendix Figure 3 - Appendix Figure 4As shown, a pressure ring 8 is fixedly connected to the outer wall of the lower horizontal tube 3 near one end, and a sealing ring 9 is fixed to one side of each pressure ring 8; the sealing ring 9 is made of rubber. This allows for better sealing by applying sealant to the two sealing rings 9 and then pressing the sealing ring 9 with the pressure ring 8, thus achieving a better adhesive sealing effect at the mounting point of the electric bicycle.

[0030] In use, the internal wiring sealing device of this technology involves placing the upper horizontal tube 1, the diagonal tube 2, and the lower horizontal tube 3 within the internal gap of the electric bicycle frame. The wire core 7 is inserted into the upper horizontal tube 1, where it is lubricated by the first transverse lubrication layer 4. The wire core 7 is also lubricated along the longitudinal lubrication layer 5 on the inner wall of the diagonal tube 2, and then guided through the second transverse lubrication layer 6 on the inner wall of the lower horizontal tube 3. This allows the wire core 7 to quickly penetrate through the upper horizontal tube 1, diagonal tube 2, and lower horizontal tube 3. The first transverse lubrication layer 4, the longitudinal lubrication layer 5, and the second transverse lubrication layer 6 are all lubricated layers, ensuring rapid lubrication and penetration of the wire core 7. The ends of the wire core 7 can then be wiped clean. After positioning the wire core 7 using the positioning ring 10, the two ends of the wire core 7 are connected to the electric bicycle's power supply harness. Sealant is then applied to the two sealing rings 9, and the pressure ring 8 is squeezed. The pressure ring 8 squeezes the sealing rings 9, sealing and bonding them to the mounting point of the electric bicycle.

[0031] In this embodiment, as shown in the appendix Figure 3 - Appendix Figure 4 As shown, positioning rings 10 are provided on both sides of the core 7; inserts 11 are fixedly connected to the outer wall of the positioning rings 10, and grooves 12 are embedded in the inner wall of the second transverse lubrication layer 6, with the grooves 12 fixedly connected to the lower transverse tube 3; the inserts 11 are used for positioning and insertion into the inner wall of the grooves 12. The inner wall of the positioning rings 10 is a smooth surface, and the core 7 is positioned and inserted into the positioning rings 10.

[0032] When the internal wiring sealing device of this technology is in use, when the positioning ring 10 is positioned and connected with the wire core 7, the positioning ring 10 can be moved to the left. The positioning ring 10 is positioned and fitted along the outer wall of the wire core 7, and the positioning ring 10 drives the insert strip 11 to move to the left. The insert strip 11 is inserted into the inner wall of the groove strip 12. In this way, the lower horizontal tube 3 supports the groove strip 12, and the groove strip 12 positions the insert strip 11, ensuring that the wire core 7 is positioned at the designated position inside the lower horizontal tube 3. This ensures that the wire core 7 is stably installed inside the lower horizontal tube 3. In this way, when sealing the wire core 7, the right side of the sealing ring 9 can achieve adhesion and sealing with the installation area.

[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A wire routing sealing device for a vehicle frame, comprising an upper horizontal tube (1), one end of which is fixedly connected to an inclined tube (2), characterized in that: A lubrication assembly is installed at the bottom end of the inclined tube (2), the lubrication assembly comprising: The lower horizontal tube (3) is fixedly connected to the bottom end of the inclined tube (2), and the inner wall of the upper horizontal tube (1) is attached with a first transverse lubricating layer (4). A longitudinal lubricating layer (5) is attached to the inner wall of the inclined tube (2), and a second transverse lubricating layer (6) is attached to the inner wall of the lower transverse tube (3).

2. The internal wiring sealing device for the vehicle frame according to claim 1, characterized in that: The inclined tube (2) is set at an angle, and the upper horizontal tube (1), the inclined tube (2) and the lower horizontal tube (3) are all provided with gaps inside.

3. The internal wiring sealing device for the vehicle frame according to claim 1, characterized in that: The vertical cross-sectional shape of the first transverse lubricating layer (4) and the second transverse lubricating layer (6) is annular, and the inner walls of the longitudinal lubricating layer (5), the first transverse lubricating layer (4) and the second transverse lubricating layer (6) are all smooth surfaces.

4. The internal wiring sealing device for the vehicle frame according to claim 1, characterized in that: The second transverse lubrication layer (6) has wire cores (7) running through its interior, and both ends of the wire cores (7) are made of copper.

5. The internal wiring sealing device for the vehicle frame according to claim 1, characterized in that: A pressure ring (8) is fixedly connected to the outer wall of the lower horizontal tube (3) and near one end thereon, and a sealing ring (9) is fixed to one side of each pressure ring (8). The sealing ring (9) is made of rubber.

6. The internal wiring sealing device for the vehicle frame according to claim 1, characterized in that: It also includes a wire core (7), and both sides of the wire core (7) are provided with positioning rings (10). The outer wall of the positioning ring (10) is fixedly connected with a strip (11), and the inner wall of the second transverse lubrication layer (6) is embedded with a groove (12), and the groove (12) is fixedly connected to the lower transverse tube (3). The insert (11) is used to position and insert into the inner wall of the groove (12).

7. The internal wiring sealing device for the vehicle frame according to claim 6, characterized in that: The inner wall of the positioning ring (10) is a smooth surface, and the core (7) is positioned and inserted into the positioning ring (10).

Citation Information

Patent Citations

  • Internal cabling bicycle frame

    CN219029661U