A handle and waterproof structure of the handle

By designing a siphon channel structure at the bottom of the handle, the problems of water being difficult to drain from inside the handle and water backflow from outside are solved, realizing automatic water drainage and preventing backflow, thus improving waterproof performance.

CN118990410BActive Publication Date: 2026-06-19NORTH VALLEY ELECTRONICS CO LTD +2

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NORTH VALLEY ELECTRONICS CO LTD
Filing Date
2024-08-16
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Water is difficult to drain from inside the grip, and external water can easily flow back into the grip through the drain hole, indicating a design flaw in the existing waterproof structure.

Method used

A siphon channel structure is designed, which is formed by a guide plate, a guide sidewall, and a handle shell. The siphon channel has a drain inlet, a water storage groove, and a drain outlet. The drain outlet area is larger than the inlet area, and the water is automatically discharged by using the siphon principle.

🎯Benefits of technology

It effectively drains moisture from inside the handle and prevents external water from flowing back into the handle, improving the reliability and watertightness of the waterproof structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention provides a grip and a waterproof structure for the grip. The waterproof structure is located at the bottom of the grip and includes a siphon channel formed by a guide plate, a guide sidewall, and the outer shell of the grip. The guide sidewall surrounds the guide plate. A drain inlet communicates with the bottom of the grip's interior, and a drain outlet communicates with the outside of the grip. The opening area of ​​the drain outlet is larger than the opening area of ​​the drain inlet. One end of the guide plate is connected to the bottom surface of the grip's interior and slopes downward to form a water-retaining groove. When the grip is placed vertically, the height of the drain inlet is higher than the height of the drain outlet, and the height of the water-retaining groove is between the heights of the drain inlet and the drain outlet. The top surface of the other end of the guide plate is higher than the height of the drain inlet. When the siphon channel is full of water, water continues to drain from the drain outlet until the water inside the grip is completely drained.
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Description

Technical Field

[0001] This invention relates to the field of handle technology, and in particular to a grip and a waterproof structure for the grip. Background Technology

[0002] Aerial work platforms and excavators, among other construction machinery, are equipped with handles, which include grips. Grips consist of a left grip and a right grip, which are assembled together to form the grip. Grips typically have a waterproof structure, which comes in two main forms. One type completely seals the joint between the left and right grips with sealant, or uses a sealing ring at this joint. While this type of waterproofing prevents water from easily entering the grip, if the seal is damaged, water that does get inside is difficult to drain. The other type has a drain hole at the bottom of the grip. With this type of waterproofing, water inside the grip can flow out through the drain hole, but water outside the grip can flow back in through the drain hole. Summary of the Invention

[0003] This invention provides a grip and a waterproof structure for the grip, in order to solve the technical problems of water being difficult to drain from inside the grip and water outside the grip flowing back into the grip through the drain hole.

[0004] To solve the above-mentioned technical problems, the present invention provides a waterproof structure for a grip, wherein the waterproof structure is disposed at the bottom of the grip and includes a siphon channel, which is formed by a guide plate, a guide sidewall, and the outer shell of the grip; the guide sidewall is disposed around the guide plate.

[0005] The siphon channel includes a drain inlet, a water storage groove, and a drain outlet connected in sequence; the drain inlet is connected to the bottom of the inside of the handle, and the drain outlet is connected to the outside of the handle; the opening area of ​​the drain outlet is larger than the opening area of ​​the drain inlet.

[0006] One end of the guide plate is connected to the bottom surface inside the handle and is inclined downward to form the water storage groove; one end of the guide plate and one end of the guide sidewall are used to enclose and form the drain inlet, and the other end of the guide plate and the other end of the guide sidewall are used to enclose and form the drain outlet;

[0007] When the handle is placed vertically, the height of the drain inlet is higher than the height of the drain outlet, the height of the water storage groove is between the height of the drain inlet and the height of the drain outlet, and the height of the top surface of the other end of the guide plate is higher than the height of the drain inlet.

[0008] Optionally, the guide plate is in the shape of a hook.

[0009] Optionally, the grip includes a cooperating left grip and a right grip, and the air deflector and the air deflector sidewall are both disposed on the left grip.

[0010] Optionally, the right handle is provided with a sealing plane that cooperates with the guide plate and the guide sidewall, and the sealing plane, the guide plate, the guide sidewall and the outer shell of the left handle surround to form the siphon channel.

[0011] Optionally, the air deflector, the air deflector sidewall, and the outer shell of the left handle are integrally formed.

[0012] Optionally, the opening direction of the drain outlet points towards the axis direction of the handle.

[0013] Optionally, both the opening shape of the drain inlet and the opening shape of the drain outlet are rectangular.

[0014] The present invention also provides a grip comprising the waterproof structure described in any of the preceding claims.

[0015] The present invention provides a grip and a waterproof structure for the grip, including a siphon channel. When water enters the grip, the water first flows into the water storage groove through the drain inlet. When the siphon channel is full of water, since the opening area of ​​the drain outlet is slightly larger than the opening area of ​​the drain inlet, more water flows out than water flows in, resulting in an imbalance of gravity on both sides. The pressure is transmitted to the drain outlet in one direction. Due to the cohesive force between water molecules, water continues to be discharged from the drain outlet until the water inside the grip is drained. When external water splashes onto the drain outlet, the guide plate in the siphon channel can prevent external water from entering the grip. Attached Figure Description

[0016] Figure 1 This is a partial structural diagram of a handle provided in an embodiment of the present invention.

[0017] Figure 2 yes Figure 1 A schematic diagram of the left grip and spindle.

[0018] Figure 3 This is the main view of 2.

[0019] Figure 4 Is Figure 3 A schematic diagram showing the siphon channel after adding diagonal lines to fill it.

[0020] [The annotations in the attached figures are explained below]:

[0021] Handle-1, Siphon Channel-2, Flow Deflector-3, Flow Deflector Sidewall-4;

[0022] Left grip -11, right grip -12;

[0023] Drainage inlet-21, water storage groove-22, drainage outlet-23. Detailed Implementation

[0024] To make the objectives, advantages, and features of the present invention clearer, the following detailed description of a grip and its waterproof structure, in conjunction with the accompanying drawings, is provided. It should be noted that the drawings are in a very simplified form and use non-precise proportions, intended only to facilitate and clarify the illustration of the embodiments of the present invention.

[0025] In the description of this invention, the terms "first," "second," and other qualifiers are added for convenience of description and reference, and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with qualifiers such as "first" and "second" may explicitly or implicitly include one or more of that feature.

[0026] like Figures 1-4 As shown, this embodiment provides a waterproof structure for a handle 1. The waterproof structure is disposed at the bottom of the handle 1 and includes a siphon channel 2. The siphon channel 2 is formed by a guide plate 3, a guide sidewall 4, and the outer shell of the handle 1. The guide sidewall 4 surrounds the guide plate 3. The siphon channel 2 includes a drain inlet 21, a water storage groove 22, and a drain outlet 23 connected in sequence. The drain inlet 21 communicates with the bottom of the handle 1, and the drain outlet 22 communicates with the outside of the handle 1. The opening area of ​​the drain outlet 23 is larger than the opening area of ​​the drain inlet 21. One end of the guide plate 3 is connected to the outer shell of the handle 1. The bottom surface inside the handle 1 is connected and tilted downward to form the water storage groove 22; one end of the guide plate 3 and one end of the guide sidewall 4 are used to enclose and form the drain inlet 21, and the other end of the guide plate 3 and the other end of the guide sidewall 4 are used to enclose and form the drain outlet 23; when the handle 1 is placed vertically, the height of the drain inlet 21 is higher than the height of the drain outlet 23, the height of the water storage groove 22 is between the height of the drain inlet 21 and the height of the drain outlet 23, and the height of the top surface of the other end of the guide plate 3 is higher than the height of the drain inlet 21.

[0027] The waterproof structure of the handle 1 provided in this embodiment includes a siphon channel 2. When water enters the handle 1, the water first flows into the water storage groove 22 through the drain inlet. When the siphon channel 2 is full of water, since the opening area of ​​the drain outlet 23 is slightly larger than the opening area of ​​the drain inlet, more water flows out than water flows in. The gravity on both sides is unbalanced, and the pressure is transmitted to the drain outlet 23 in one direction. Due to the cohesive force between water molecules, water is continuously discharged from the drain outlet 23 until the water inside the handle 1 is drained. When external water splashes onto the drain outlet 23, the guide plate 3 in the siphon channel 2 can prevent external water from entering the handle 1.

[0028] Optional, such as Figure 2 and Figure 3 As shown, the guide plate 3 is hook-shaped, which facilitates its fabrication. In this case, the siphon channel 2 is approximately S-shaped. In other embodiments, the guide plate 3 can have other shapes.

[0029] Optional, such as Figure 1 and Figure 2 As shown, the grip 1 includes a cooperating left grip 11 and a right grip 12. The guide plate 3 and the guide sidewall 4 are both disposed on the left grip 11, which facilitates the processing of the guide plate 3 and the guide sidewall 4. In other embodiments, the guide plate 3 and the guide sidewall 4 may be disposed on the right grip 12.

[0030] Optional, such as Figure 1 and Figure 2 As shown, the right handle 12 is provided with a sealing plane that mates with the guide plate 3 and the guide sidewall 4. The sealing plane, the guide plate 3, the guide sidewall 4, and the outer shell of the left handle 11 enclose the siphon channel 2, which facilitates the assembly of the siphon channel 2. In other embodiments, the guide plate 3 and the guide sidewall 4 can be symmetrically arranged on the right handle 12 and the left handle 11.

[0031] Optional, such as Figure 2 As shown, the air guide plate 3, the air guide sidewall 4, and the outer shell of the left handle 11 are integrally formed, which facilitates the processing of the outer shell of the left handle 11. In other embodiments, the air guide plate 3 and the air guide sidewall 4 can be formed by post-processing.

[0032] Optional, such as Figure 3 As shown, the opening direction of the drain outlet 23 points towards the axis of the handle 1, so that external water is less likely to splash into the drain outlet 23. In other embodiments, the opening direction of the drain outlet 23 may be vertically downward.

[0033] Optional, such as Figure 2 and Figure 3 As shown, both the opening shape of the drain inlet 21 and the opening shape of the drain outlet 23 are rectangular, which facilitates the processing and formation of the drain inlet 21 and the drain outlet 23. In other embodiments, the opening shapes of the drain inlet 21 and the drain outlet 23 can be circular or other shapes.

[0034] like Figures 1-4 As shown, based on the same technical concept as the waterproof structure of the grip 1 described above, this embodiment also provides a grip 1, including the waterproof structure described in any of the above claims.

[0035] The grip 1 provided in this embodiment includes a siphon channel 2. When water enters the grip 1, the water first flows into the water storage groove 22 through the drain inlet. When the siphon channel 2 is full of water, since the opening area of ​​the drain outlet 23 is slightly larger than the opening area of ​​the drain inlet, more water flows out than water flows in. The gravity on both sides is unbalanced, and the pressure is transmitted to the drain outlet 23 in one direction. Due to the cohesive force between water molecules, water continues to be discharged from the drain outlet 23 until the water inside the grip 1 is drained. When external water splashes onto the drain outlet 23, the guide plate 3 in the siphon channel 2 can prevent external water from entering the grip 1.

[0036] In summary, the present invention provides a grip 1 and a waterproof structure for the grip 1, including a siphon channel 2. When water enters the grip 1, the water first flows into the water storage groove 22 through the drain inlet. When the siphon channel 2 is full of water, since the opening area of ​​the drain outlet 23 is slightly larger than the opening area of ​​the drain inlet, more water flows out than water flows in, resulting in an imbalance of gravity on both sides. The pressure is transmitted to the drain outlet 23 in one direction. Due to the cohesive force between water molecules, water continues to be discharged from the drain outlet 23 until the water inside the grip 1 is drained. When external water splashes onto the drain outlet 23, the guide plate 3 in the siphon channel 2 can prevent external water from entering the grip 1.

[0037] The above description is only a description of preferred embodiments of the present invention and is not intended to limit the scope of the present invention in any way. Any changes or modifications made by those skilled in the art based on the above disclosure shall fall within the protection scope of the present invention.

Claims

1. A waterproof structure of a handle, characterized by comprising: The waterproof structure is located at the bottom of the handle, and the waterproof structure includes a siphon channel, which is formed by a guide plate, a guide sidewall, and the outer shell of the handle; the guide sidewall is arranged around the guide plate; The siphon channel includes a drain inlet, a water storage groove, and a drain outlet connected in sequence; the drain inlet is connected to the bottom of the inside of the handle, and the drain outlet is connected to the outside of the handle; the opening area of ​​the drain outlet is larger than the opening area of ​​the drain inlet. One end of the guide plate is connected to the bottom surface inside the handle and is inclined downward to form the water storage groove; one end of the guide plate and one end of the guide sidewall are used to enclose and form the drain inlet, and the other end of the guide plate and the other end of the guide sidewall are used to enclose and form the drain outlet; When the handle is placed vertically, the height of the drain inlet is higher than the height of the drain outlet, the height of the water storage groove is between the height of the drain inlet and the height of the drain outlet, and the height of the top surface of the other end of the guide plate is higher than the height of the drain inlet.

2. The waterproof structure of a handle according to claim 1, wherein The guide vane is in the shape of a checkmark.

3. The waterproof structure of a handle according to claim 1, wherein The grip includes a matching left grip and a right grip, and the guide plate and the guide sidewall are both disposed on the left grip.

4. The waterproof structure of a handle according to claim 3, wherein The right handle is provided with a sealing plane that cooperates with the guide plate and the guide sidewall. The sealing plane, the guide plate, the guide sidewall and the outer shell of the left handle form the siphon channel.

5. A waterproof structure for a handle according to claim 4, wherein The air deflector, the air deflector sidewall, and the outer shell of the left handle are integrally formed.

6. The waterproof structure of a handle according to claim 1, wherein The opening of the drain outlet points in the direction of the axis of the handle.

7. The waterproof structure of a handle according to claim 1, wherein The opening shape of both the drainage inlet and the drainage outlet is rectangular.

8. A grip, characterized in that Includes the waterproof structure described in any one of claims 1-7.

Citation Information

Patent Citations

  • Oral care implement

    CN101119659A

  • Siphon fixing equipment for tank cleaning

    CN111266369A