Sealing structure of generator control instrument box
By adopting the plug-in sealing structure and foot sealing structure in the generator control instrument box, the problem of seal failure caused by aging of the rubber sealing ring in harsh environments is solved, and the reliability and durability of the seal are significantly improved.
Patent Information
- Application Number
- CN202421861221.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-02
AI Technical Summary
In the existing generator-controlled instrument box sealing method, the rubber sealing ring is prone to aging in harsh environments, resulting in seal failure, and thus causing circuit boards, instruments and control keys to be eroded.
The clamped sealing structure is adopted, which includes a rectangular ring groove and a rectangular ring card on the opening and closing side of the box and the box cover, inlaid rubber sealing ring, and the rubber sealing ring is clamped to the inner side of the rectangular ring groove through the rectangular ring card, forming a clamped sealing structure with good sealing properties. In addition, a foot sealing structure and a wire harness sealing structure are also provided to enhance the sealing effect.
It effectively improves the reliability and durability of the box seal, preventing the rubber seal ring from being exposed to the sun or erosion, thereby ensuring the long-term sealing effect.
Smart Images
Figure CN222915911U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the sealing technology of a generator control instrument box, in particular to a sealing structure of a generator control instrument box. Background Art
[0002] Generator control instruments are usually used to display the operating parameters of a generator and control the operation of the generator. Generally, the generator control instruments are installed in a box body, and the box body is fixed near the generator for easy operation and observation. Since generators are mostly used as emergency power sources for disaster relief and emergency or temporary power sources in places without power grids, they are usually installed in places with relatively harsh natural environments and may be affected by heavy rain, strong winds, sand and strong sunlight. Therefore, the generator control instrument box needs to have good sealing performance to ensure that the circuit boards, instruments, control keys, etc. inside the box are not eroded, so as to ensure the normal operation of the generator. The existing sealing method for the generator control instrument box simply uses a rubber sealing ring for sealing. Since the rubber sealing ring is more likely to age in a harsh environment, it is easy to cause sealing failure, and then the circuit board, instrument, control key, etc. are eroded.
[0003] Obviously, the existing sealing method for the generator control instrument box has problems such as the rubber sealing ring is easy to age, easy to cause sealing failure, and then the circuit board, instrument, control key, etc. are eroded. Summary of the Invention
[0004] In order to solve the problems in the existing sealing method for the generator control instrument box, such as the rubber sealing ring is easy to age, easy to cause sealing failure, and then the circuit board, etc. are eroded, the utility model provides a sealing structure of a generator control instrument box.
[0005] The sealing structure of the generator control instrument box of the utility model includes a box body, a box cover and a hinge. The box body and the box cover are installed integrally through the hinge. It is characterized in that a snap-in sealing structure is arranged on the opening and closing side of the box body and the box cover. The snap-in sealing structure includes a rectangular ring groove with a rectangular cross-section opening outwards at the edge of the opening of the box body, and a rubber sealing ring is embedded in the rectangular ring groove. A rectangular ring clip with a shape and size matching the opening of the ring groove of the box body is arranged inwardly on the inner side of the box cover. When the box cover and the box body are closed, the rectangular ring clip of the box cover presses the rubber sealing ring towards the inner side of the rectangular ring groove. And a support foot sealing structure and a wire harness sealing structure are also arranged.
[0006] Further, there are four leg sealing structures, which are respectively arranged at the four corners of the bottom of the box body, including leg studs, metal washers, rubber columns, metal covers and fastening nuts; the leg studs are large-small head studs, the large head of which matches the mounting hole, and the small head of which matches the through hole at the bottom of the box body; the metal washer is annular, the inner diameter of which matches the small head of the leg stud, and the outer diameter of which matches the inner diameter of the metal cover; the rubber column is a hollow cylinder, the inner and outer diameters of which are respectively the same as those of the metal washer, and the length of which matches the metal cover; the metal cover is a hollow thin-walled cylinder; the fastening nut matches the small head stud of the leg stud; wherein, the small head of the leg stud is inserted in sequence into the metal washer, rubber column and metal cover, and then passes through the through hole at the bottom of the box body from the outside of the box body; the rubber column enters the inner hole of the metal cover, and the front end is closely attached to the bottom of the box body; the metal washer enters the inner hole of the metal cover, and the front end tightly presses the rear end of the rubber column; the fastening nut is screwed on the small head of the leg stud passing through the bottom of the box body from the inside of the box body to fasten the leg stud to the bottom of the box body, and at the same time, presses the rubber column between the metal washer and the bottom of the box body.
[0007] Further, the wire harness sealing structure includes a hollow bolt, a metal washer, rubber washer I, rubber washer II, a metal pressing ring, a nut, rubber washer III, a pressing nut and a wire harness conduit; the end of the hollow bolt is provided with a hexagonal nut, and its threaded section extends out of the box body through the through hole at the lower right side of the box body back panel from the inside of the box body; the metal washer and rubber washer I are sequentially sleeved on the threaded section of the hollow bolt inside the box body; the rubber washer II is sleeved on the threaded section of the hollow bolt from the outside of the box body; the metal pressing ring is a metal ring with an inner hollow step, and the inner hollow step faces the rubber washer II and is sleeved on the threaded section of the hollow bolt; the outer diameter of the inner hollow step of the metal pressing ring matches the outer diameter of the rubber washer II, and the depth is smaller than the thickness of the rubber washer II; the nut is screwed on the threaded section of the hollow bolt from the outside of the box body, and respectively presses the rubber washer I and rubber washer II on the inner and outer sides of the box body back panel through the metal washer and the metal pressing ring; the outer diameter of the rubber washer III matches the outer diameter of the threaded section of the hollow bolt, the inner diameter of which matches the outer diameter of the wire harness conduit, and is placed at the end of the threaded section of the hollow bolt; the pressing nut is a nut with a step, and the inner hole diameter of the step matches the outer diameter of the wire harness conduit; the end of the wire harness conduit passes through the inner hole of the pressing nut step and the inner hole of the rubber washer III and is inserted into the threaded section of the hollow bolt; the pressing nut is screwed on the threaded section of the hollow bolt and compresses the rubber washer III to deform, so that the inner circular surface of the rubber washer III and the outer circular surface of the wire harness conduit are tightly fitted and in close contact with each other.
[0008] The beneficial technical effect of the sealing structure of the generator control instrument box of the present utility model is that all the rubber bodies that play a sealing role are wrapped or shielded, so that the rubber bodies are not exposed to the sun or eroded, effectively improving the reliability and durability of the box body sealing. Description of the Drawings
[0009] Attached Figure 1 is a three-dimensional schematic diagram of the sealing structure of the generator control instrument box of the present utility model;
[0010] Attached Figure 2 is a three-dimensional schematic diagram of another angle of the sealing structure of the generator control instrument box of the present utility model;
[0011] Attached Figure 3 is a three-dimensional schematic diagram of the box body ring groove and the box cover ring card of the present utility model;
[0012] Attached Figure 4 is a cross-sectional schematic diagram of the snap-in sealing structure of the present utility model;
[0013] Attached Figure 5 is an exploded three-dimensional schematic diagram of the support foot sealing structure of the present utility model;
[0014] Attached Figure 6 is an exploded three-dimensional schematic diagram of the wire harness sealing structure of the present utility model;
[0015] Attached Figure 7 is a cross-sectional schematic diagram of the wire harness sealing structure of the present utility model.
[0016] In the figure, 1 is the box body, 2 is the box cover, 3 is the hinge, 4 is the support foot sealing structure, 4-1 is the support foot stud, 4-2 is the metal washer, 4-3 is the rubber column, 4-4 is the metal cover, 4-5 is the fastening nut, 5 is the wire harness sealing structure, 5-1 is the hollow bolt, 5-2 is the metal washer, 5-3 is the rubber washer I, 5-4 is the rubber washer II, 5-5 is the metal pressing ring, 5-6 is the nut, 5-7 is the rubber washer III, 5-8 is the compression nut, and 5-9 is the wire harness conduit.
[0017] The sealing structure of the generator control instrument box of the present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments. Specific Embodiments
[0018] From the attached Figure 1-4It can be seen that the sealing structure of the generator control instrument box of the present utility model includes a box body 1, a box cover 2 and a hinge 3. The box body and the box cover are integrally installed through the hinge. It is characterized in that a clamping sealing structure is provided on the opening and closing side of the box body and the box cover. The clamping sealing structure includes a rectangular ring groove 1-1 with a rectangular cross-section shape opening outwards at the edge of the opening of the box body, and a rubber sealing ring is embedded in the rectangular ring groove. A rectangular ring clip is provided on the inner side of the box cover, which is matched in shape and size with the opening of the ring groove of the box body. When the box cover and the box body are closed, the rectangular ring clip of the box cover presses the rubber sealing ring towards the inner side of the rectangular ring groove. In addition, a support foot sealing structure 4 and a wire harness sealing structure 5 are also provided. The sealing structure of the generator control instrument box of the present utility model uses a rectangular ring groove to embed a rubber sealing ring, and then presses the rubber sealing ring towards the inner side of the rectangular ring groove through a rectangular ring clip, which not only forms a clamping sealing structure with better sealing performance, but also makes the rubber sealing ring be enclosed in a relatively airtight environment and will not be exposed to the sun or eroded. At the same time, for the other two places that need to be connected to the outside, a support foot sealing structure and a wire harness sealing structure are respectively provided. Therefore, not only can the sealing effect of the box body be effectively improved, but also the reliability and durability of the box body sealing can be effectively improved.
[0019] As can be seen from the attached Figure 5 It can be seen that as one of the alternative solutions, there are four support foot sealing structures, which are respectively arranged at the four corners of the bottom of the box body, including a support foot stud 4-1, a metal washer 4-2, a rubber column 4-3, a metal cover 4-4 and a fastening nut 4-5. The support foot stud is a stepped stud, the large head of which is matched with the installation hole, and the small head of which is matched with the through hole at the bottom of the box body. The metal washer is circular, the inner diameter of which is matched with the small head of the support foot stud, and the outer diameter of which is matched with the inner diameter of the metal cover. The rubber column is a hollow cylinder, the inner diameter and outer diameter of which are respectively the same as those of the metal washer, and the length of which is matched with the metal cover. The metal cover is a hollow thin-walled cylinder. The fastening nut is matched with the small head stud of the support foot stud. Among them, the small head of the support foot stud is inserted in turn into the metal washer, the rubber column and the metal cover, and then passes through the through hole at the bottom of the box body from the outside of the box body. The rubber column enters the inner hole of the metal cover, and the front end is closely attached to the bottom of the box body. The metal washer enters the inner hole of the metal cover, and the front end tightly presses the rear end of the rubber column. The fastening nut is screwed on the small head of the support foot stud passing through the bottom of the box body from the inside of the box body to fasten the support foot stud to the bottom of the box body, and at the same time, presses the rubber column between the metal washer and the bottom of the box body. The support foot sealing structure of the present utility model uses a rubber column as the sealing main body, and the rubber column is wrapped by a metal cover, so it will not be exposed to the sun or eroded, effectively improving the reliability and durability of the sealing.
[0020] As can be seen from the attached Figure 6 、 7It can be known that, as one of the alternative solutions, the wire harness sealing structure includes a hollow bolt 5-1, a metal washer 5-2, a rubber washer I 5-3, a rubber washer II 5-4, a metal pressing ring 5-5, a nut 5-6, a rubber washer III 5-7, a compression nut 5-8 and a wire harness conduit 5-9; a hexagonal nut is provided at the end of the hollow bolt, and its threaded section extends out of the box body through a through hole on the lower right side of the box body back plate from the inner side of the box body; the metal washer and the rubber washer I are sequentially sleeved on the threaded section of the hollow bolt on the inner side of the box body; the rubber washer II is sleeved on the threaded section of the hollow bolt from the outside of the box body; the metal pressing ring is a metal ring with an inner hollow step, and the inner hollow step faces the rubber washer II and is sleeved on the threaded section of the hollow bolt; the outer diameter of the inner hollow step of the metal pressing ring matches the outer diameter of the rubber washer II, and the depth is smaller than the thickness of the rubber washer II; the nut is screwed onto the threaded section of the hollow bolt from the outside of the box body, and the rubber washer I and the rubber washer II are respectively pressed against the inner and outer sides of the box body back plate through the metal washer and the metal pressing ring; the outer diameter of the rubber washer III matches the outer diameter of the threaded section of the hollow bolt, the inner diameter matches the outer diameter of the wire harness conduit, and it is placed at the end of the threaded section of the hollow bolt; the compression nut is a nut with a step, and the inner hole diameter of the step matches the outer diameter of the wire harness conduit; the end of the wire harness conduit passes through the inner hole of the step of the compression nut and the inner hole of the rubber washer III and is inserted into the threaded section of the hollow bolt; the compression nut is screwed onto the threaded section of the hollow bolt and compresses and deforms the rubber washer III, so that the inner circular surface of the rubber washer III is in close contact with the outer circular surface of the wire harness conduit. The three rubber washers of the wire harness sealing structure of the present invention are all arranged in a relatively enclosed space, will not be exposed to the sun or eroded, and effectively improve the reliability and durability of the seal.
[0021] Obviously, the beneficial technical effect of the sealing structure of the generator control instrument box of the present invention is that all the rubber bodies that play a sealing role are wrapped or shielded, so that the rubber bodies are not exposed to the sun or eroded, effectively improving the reliability and durability of the box body seal.
Claims
1. A sealing structure for a generator control instrument box, comprising a box body, a box cover and a hinge, wherein the box body and the box cover are integrally mounted via a hinge; characterized in that: A card-embedded sealing structure is arranged on the opening and closing sides of the box body and the box cover; the card-embedded sealing structure includes: a rectangular ring groove with a rectangular cross-sectional shape opening to all sides is arranged outwardly at the edge of the box body opening, and a rubber sealing ring is embedded in the rectangular ring groove; a rectangular ring clamp with a shape and size matching the ring groove opening of the box body is arranged inwardly on the inner side of the box cover, and when the box cover and the box body are closed, the rectangular ring clamp of the box cover presses the rubber sealing ring to the inner side of the rectangular ring groove; and a support foot sealing structure and a wiring harness sealing structure are also arranged.
2. The sealing structure of the generator control instrument box according to claim 1 is characterized in that: There are four supporting leg sealing structures, which are respectively arranged at the four corners of the bottom of the box, including supporting leg studs, metal washers, rubber columns, metal covers and fastening nuts; the supporting leg studs are large and small head studs, whose large heads match the mounting holes, and whose small heads match the through holes at the bottom of the box; the metal washers are circular, whose inner diameter matches the small heads of the supporting leg studs, and whose outer diameter matches the inner diameter of the metal cover; the rubber columns are hollow cylinders, whose inner and outer diameters are respectively the same as those of the metal washers, and whose length matches that of the metal cover; the metal cover is hollow The core is a thin-walled cylinder; the fastening nut matches the small head stud of the support leg; wherein the small head of the support leg stud is inserted into the metal washer, the rubber column and the metal cover in sequence, and then passes through the through hole at the bottom of the box from the outside of the box; the rubber column enters the inner hole of the metal cover, and the front end is close to the bottom of the box; the metal washer enters the inner hole of the metal cover, and the front end is pressed against the rear end of the rubber column; the fastening nut is screwed on the small head of the support leg stud passing through the bottom of the box from the inside of the box, and the support leg stud is fastened to the bottom of the box, and at the same time, the rubber column is pressed between the metal washer and the bottom of the box.
3. The sealing structure of the generator control instrument box according to claim 1 or 2, characterized in that: The wiring harness sealing structure, It includes a hollow bolt, a metal washer, a rubber washer I, a rubber washer II, a metal pressure ring, a nut, a rubber washer III, a clamping nut and a wiring harness guide; the end of the hollow bolt is provided with a hexagonal nut, and its threaded section extends from the inside of the box body through the through hole on the lower right side of the back plate of the box body to the outside of the box body; the metal washer and the rubber washer I are sequentially sleeved on the threaded section of the hollow bolt on the inside of the box body; the rubber washer II is sleeved on the threaded section of the hollow bolt from the outside of the box body; the metal pressure ring is a metal ring with an inner hollow step, and the inner hollow step is sleeved on the threaded section of the hollow bolt facing the rubber washer II; the outer diameter of the inner hollow step of the metal pressure ring matches the outer diameter of the rubber washer II, and the depth is smaller than the thickness of the rubber washer II; the nut extends from the outside of the box body It is screwed sideways on the threaded section of the hollow bolt, and the rubber gasket I and rubber gasket II are pressed on the inner and outer sides of the back plate of the box body respectively through a metal washer and a metal pressure ring; the outer diameter of the rubber gasket III matches the outer diameter of the threaded section of the hollow bolt, and the inner diameter matches the outer diameter of the wiring harness duct, and is placed on the end of the threaded section of the hollow bolt; the clamping nut is a nut with a step, and the inner hole diameter of the step matches the outer diameter of the wiring harness duct; the end of the wiring harness duct is inserted into the threaded section of the hollow bolt after passing through the inner hole of the clamping nut step and the inner hole of the rubber gasket III; the clamping nut is screwed on the threaded section of the hollow bolt and compresses and deforms the rubber gasket III, so that the inner circular surface of the rubber gasket III and the outer circular surface of the wiring harness duct are closely fitted and contacted with each other.