CN210781613U - Waterproof structure of controller wiring terminal - Google Patents
Waterproof structure of controller wiring terminal Download PDFInfo
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- CN210781613U CN210781613U CN201922004991.1U CN201922004991U CN210781613U CN 210781613 U CN210781613 U CN 210781613U CN 201922004991 U CN201922004991 U CN 201922004991U CN 210781613 U CN210781613 U CN 210781613U
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Abstract
The utility model relates to an electric controller technical field, in particular to controller binding post's waterproof construction, through set up the second casing on the surface of one side of keeping away from the base at first casing, can play the water-proof effects to the binding post that stretches out first casing, set up waterproof part in the wiring hole department of second casing, can prevent that water from getting into in the second casing along the surface of electric wire, further strengthened the water-proof effects to the binding post, improve the safety in utilization of controller greatly.
Description
Technical Field
The utility model relates to an electric controller technical field, in particular to controller binding post's waterproof construction.
Background
The electric vehicle is driven by electric power, takes the electric power as the car of the energy, along with the enhancement of people's environmental protection consciousness, the electric vehicle has become one of the important vehicles of people's daily trip, as the electric vehicle controller of one of three core parts of electric vehicle, its reliability, security play crucial effect to the quality of whole car. The electric vehicle controller is arranged on an electric vehicle which needs to run outdoors, the outdoor running is difficult to avoid the weather conditions of moist, rainy days, snowy days and the like, if moist airflow, water drops or ice and snow enter the electric vehicle controller, a circuit short circuit can be caused, the electric vehicle controller can be damaged, and potential safety hazards such as fire disasters and the like can be caused seriously. Meanwhile, the electric vehicle runs outdoors and can bump, a controller installed on the electric vehicle can also shake along with the bumping of the electric vehicle, and a sealing device installed on the controller can also loosen or fall off due to the bumping and shaking, so that the daily use of the controller is seriously influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: a waterproof structure of a control terminal is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a waterproof structure of a controller wiring terminal comprises a base and a first shell with an opening, wherein the base is covered at the opening and seals the opening, a second shell is arranged on the outer surface of one side, away from the base, of the first shell, a PCB is arranged in the inner cavity of the first shell, the PCB is fixedly arranged on the base, more than two wiring terminals are arranged on the PCB, one ends of the wiring terminals penetrate through the first shell to the inner cavity of the second shell, more than two wiring holes are formed in the second shell, and waterproof parts are arranged at the wiring holes;
the waterproof part has the open-ended barrel including relative both ends, the one end of barrel with wiring hole fixed connection just the barrel with the wiring hole sets up with one heart, is close to all be equipped with the waterproof piece that the electric wire that supplies the peripheral hardware runs through the cylinder and get into the second casing inner chamber more than two on the inner wall of barrel opening part, the waterproof piece of both ends opening part with the barrel inner wall encloses into one and holds the chamber, it has silica gel to hold to fill in the chamber.
Further, first casing with be equipped with the shoulder hole that supplies the binding post to pass on the side of second casing contact, the shoulder hole includes first through-hole and second through-hole, the diameter of first through-hole is less than the diameter of second through-hole, first through-hole is close to first casing sets up, be equipped with in the second through-hole and be the lantern ring-shaped rubber buffer, first through-hole and rubber buffer are passed in proper order to binding post's one end, the rubber buffer laminate in between binding post and second through-hole.
Further, the barrel includes half first barrel and half barrel of second, half first barrel by the edge in wiring hole outwards extends and forms, half barrel of second with half first barrel releasable connection, the cover is equipped with fixed cover just on the outer wall of barrel fixed cover with barrel threaded connection, all be equipped with waterproof piece on the relative both ends of half barrel of second and the relative both ends of half first barrel, half barrel inner chamber of second and half first barrel inner chamber all fill has silica gel.
Further, the structure of fixed cover with the structure looks adaptation of barrel, first half barrel includes first sub half barrel and the sub half barrel of second, the sub half barrel of second is through first sub half barrel and wiring jogged joint, the radius of first sub half barrel is less than the radius of the sub half barrel of second, the sub half barrel of second includes the sub half barrel of third and the sub half barrel of fourth, the sub half barrel of fourth passes through the sub half barrel of third and wiring jogged joint, the radius of the sub half barrel of third is less than the radius of the sub half barrel of fourth.
Further, the waterproof sheet is fan-shaped.
The beneficial effects of the utility model reside in that:
the second shell is arranged on the outer surface of one side, away from the base, of the first shell, so that a waterproof effect can be achieved on the wiring terminal extending out of the first shell, the waterproof part is arranged at the wiring hole of the second shell, water can be prevented from entering the second shell along the surface of the wire, the waterproof effect on the wiring terminal is further enhanced, and the use safety of the controller is greatly improved; the barrel intussuseption in the waterproof part of wiring hole department is filled with the waterproof piece cooperation on silica gel and the barrel inner wall for the water-proof effects of wiring hole department is good and set up waterproof piece more than two on the inner wall that is close to the barrel opening part, also makes things convenient for the installation of electric wire when guaranteeing waterproof performance, can extensively be adapted to the electric wire of multiple cross sectional shape such as platykurtic, circular, and it is more convenient, economy, practicality and safety to use, and waterproof performance is better moreover.
Drawings
Fig. 1 is a schematic structural view of a waterproof structure of a controller terminal according to the present invention;
fig. 2 is a partial schematic structural view of a waterproof structure of a controller terminal according to the present invention;
fig. 3 is a schematic structural view of a second housing and a waterproof member of a waterproof structure of a controller connecting terminal according to the present invention;
fig. 4 is a schematic top view of a waterproof member of a waterproof structure of a controller terminal according to the present invention;
description of reference numerals:
1. a base;
2. a PCB board; 201. a wiring terminal;
3. a first housing; 301. a stepped hole; 302. a rubber plug;
4. a second housing; 401. a wiring hole; 402. a first half cylinder; 403. a second half cylinder; 404. a silicone gel; 405. a waterproof sheet; 406. fixing a sleeve;
5. an electric wire.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, the technical solution provided by the present invention is:
a waterproof structure of a controller wiring terminal comprises a base and a first shell with an opening, wherein the base is covered at the opening and seals the opening, a second shell is arranged on the outer surface of one side, away from the base, of the first shell, a PCB is arranged in the inner cavity of the first shell, the PCB is fixedly arranged on the base, more than two wiring terminals are arranged on the PCB, one ends of the wiring terminals penetrate through the first shell to the inner cavity of the second shell, more than two wiring holes are formed in the second shell, and waterproof parts are arranged at the wiring holes;
the waterproof part has the open-ended barrel including relative both ends, the one end of barrel with wiring hole fixed connection just the barrel with the wiring hole sets up with one heart, is close to all be equipped with the waterproof piece that the electric wire that supplies the peripheral hardware runs through the cylinder and get into the second casing inner chamber more than two on the inner wall of barrel opening part, the waterproof piece of both ends opening part with the barrel inner wall encloses into one and holds the chamber, it has silica gel to hold to fill in the chamber.
From the above description, the beneficial effects of the present invention are:
the second shell is arranged on the outer surface of one side, away from the base, of the first shell, so that a waterproof effect can be achieved on the wiring terminal extending out of the first shell, the waterproof part is arranged at the wiring hole of the second shell, water can be prevented from entering the second shell along the surface of the wire, the waterproof effect on the wiring terminal is further enhanced, and the use safety of the controller is greatly improved; the barrel intussuseption in the waterproof part of wiring hole department is filled with the waterproof piece cooperation on silica gel and the barrel inner wall for the water-proof effects of wiring hole department is good and set up waterproof piece more than two on the inner wall that is close to the barrel opening part, also makes things convenient for the installation of electric wire when guaranteeing waterproof performance, can extensively be adapted to the electric wire of multiple cross sectional shape such as platykurtic, circular, and it is more convenient, economy, practicality and safety to use, and waterproof performance is better moreover.
Further, first casing with be equipped with the shoulder hole that supplies the binding post to pass on the side of second casing contact, the shoulder hole includes first through-hole and second through-hole, the diameter of first through-hole is less than the diameter of second through-hole, first through-hole is close to first casing sets up, be equipped with in the second through-hole and be the lantern ring-shaped rubber buffer, first through-hole and rubber buffer are passed in proper order to binding post's one end, the rubber buffer laminate in between binding post and second through-hole.
From the above description, set the through-hole that supplies the binding post to pass to the shoulder hole, and the diameter of the first through-hole of shoulder hole is less than the diameter of second through-hole, and the second through-hole is used for placing the rubber buffer, and the cooperation of shoulder hole and rubber buffer can be strictly sealed the space between shoulder hole and the binding post, has higher waterproof characteristic.
Further, the barrel includes half first barrel and half barrel of second, half first barrel by the edge in wiring hole outwards extends and forms, half barrel of second with half first barrel releasable connection, the cover is equipped with fixed cover just on the outer wall of barrel fixed cover with barrel threaded connection, all be equipped with waterproof piece on the relative both ends of half barrel of second and the relative both ends of half first barrel, half barrel inner chamber of second and half first barrel inner chamber all fill has silica gel.
From the above description, the barrel comprises first half barrel and the half barrel of second, it can be more convenient when the installation electric wire, fixed cover and barrel threaded connection are established to the cover on the outer wall of barrel, not only the waterproof problem of first half barrel and the half barrel seam crossing of second has been solved, and can further fix first half barrel and the half barrel of second, effectively solved jolt and rock and lead to the problem that first half barrel and the half barrel of second become flexible or drop, can strictly seal the space between first half barrel and the half barrel of second, thereby improve the holistic waterproof performance of controller, the security that the improvement controller used.
Further, the structure of fixed cover with the structure looks adaptation of barrel, first half barrel includes first sub half barrel and the sub half barrel of second, the sub half barrel of second is through first sub half barrel and wiring jogged joint, the radius of first sub half barrel is less than the radius of the sub half barrel of second, the sub half barrel of second includes the sub half barrel of third and the sub half barrel of fourth, the sub half barrel of fourth passes through the sub half barrel of third and wiring jogged joint, the radius of the sub half barrel of third is less than the radius of the sub half barrel of fourth.
From the above description, it can be known that, by setting the first half cylinder and the second half cylinder to be stepped half holes, water can be prevented from entering the second casing along the gap between the fixed sleeve and the cylinder, which is beneficial to improving the sealing performance of the waterproof component.
Further, the waterproof sheet is fan-shaped.
From the above description, it can be known that the sector-shaped waterproof sheet can be widely applied to electric wires with various cross-sectional shapes such as flat, round and the like, and is more convenient, economical, practical and safe to use, and has better waterproof performance.
Referring to fig. 1 to 4, a first embodiment of the present invention is:
referring to fig. 1, a waterproof structure of a controller connection terminal 201 includes a base 1 and a first housing 3 having an opening, the base 1 is covered on the opening and closes the opening, the first housing 3 is fixed on the base 1 by screws, a waterproof gasket is disposed at a connection position of the first housing 3 and the base 1, a second housing 4 is disposed on an outer surface of one side of the first housing 3 away from the base 1, a waterproof gasket is disposed at a connection position of the second housing 4 and the first housing 3, the second housing 4 is fixed on the first housing 3 by screws, a PCB 2 is disposed in an inner cavity of the first housing 3, the PCB 2 is fixed on the base 1, two or more connection terminals 201 are disposed on the PCB 2, one end of each connection terminal 201 passes through the first housing 3 to an inner cavity of the second housing 4, more than two wiring holes 401 are formed in the second shell 4, and waterproof components are arranged at the wiring holes 401;
binding post 201 is cylindric terminal, and the material of its adoption is aluminium, is favorable to the heat dissipation of components and parts, binding post 201's quantity is five, and wherein two are the binding post 201 of input, and three are the binding post 201 of input.
The number of the wiring holes 401 can be set according to actual conditions.
Referring to fig. 3, the waterproof component includes a cylinder body with openings at opposite ends, one end of the cylinder body is fixedly connected with the wiring hole 401, the cylinder body and the wiring hole 401 are concentrically arranged, more than two waterproof sheets 405 for allowing external electric wires 5 to penetrate through the cylinder and enter the inner cavity of the second shell 4 are arranged on the inner wall near the opening of the cylinder body, the waterproof sheets 405 at the openings at the two ends and the inner wall of the cylinder body form a containing cavity, and the containing cavity is filled with silica gel 404.
Please refer to fig. 2, a side surface of the first housing 3 contacting the second housing 4 is provided with a stepped hole 301 for the connection terminal 201 to pass through, the stepped hole 301 comprises a first through hole and a second through hole, the first through hole and the second through hole are integrally formed, the diameter of the first through hole is smaller than that of the second through hole, the first through hole is close to the first housing 3, a rubber plug 302 in a ring shape is arranged in the second through hole, one end of the connection terminal 201 sequentially passes through the first through hole and the rubber plug 302, and the rubber plug 302 is attached between the connection terminal 201 and the second through hole.
Referring to fig. 3 and 4, the cylinder includes a first half cylinder 402 and a second half cylinder 403, the first half cylinder 402 is formed by extending the edge of the wiring hole 401 outwards, the second half cylinder 403 is detachably connected to the first half cylinder 402, a fixing sleeve 406 is sleeved on the outer wall of the cylinder, the fixing sleeve 406 is in threaded connection with the cylinder, waterproof sheets 405 are respectively disposed at two opposite ends of the second half cylinder 403 and two opposite ends of the first half cylinder 402, the waterproof sheets 405 are fan-shaped, and an inner cavity of the second half cylinder 403 and an inner cavity of the first half cylinder 402 are filled with silicone gel 404.
The first half cylinder 402 is provided with a limiting groove, the second half cylinder 403 is provided with a limiting protrusion matched with the limiting groove, the limiting protrusion is clamped with the limiting groove, and the fixing sleeve 406 is in threaded connection with the cylinder, so that the cylinder formed by the first half cylinder 402 and the second half cylinder 403 in a closed mode is positioned in the fixing sleeve 406 and cannot rotate freely.
The silicone gel 404 is a conventional dielectric insulating silicone gel 404 which can be used for semiconductor modules, connectors, sensors and the like, has good flexibility, high-temperature electrical insulation and self-repairing performance, and the silicone gel 404 can be, for example, a silicone gel 404SI3715(SI3715 is a transparent two-component self-repairing silicone gel 404) produced by PUNADE company.
The entire cylinder body (including the first half cylinder body 402, the second half cylinder body 403 and the waterproof sheet 405) is made of elastic materials, such as nitrile rubber and ethylene propylene diene monomer.
Referring to fig. 4, when mounting, the first half cylinder 402 and the second half cylinder 403 are both filled with silicone gel 404, the wire 5 is laid on the upper surface of the silicone gel 404 of the first half cylinder 402, then the conductive portion of the wire 5 is connected and fixed in the second housing 4 according to the conventional wiring method, the second half cylinder 403 is covered on the first half cylinder 402, the second half cylinder 403 and the first half cylinder 402 are combined to form a cylinder, the silicone gel 404 in the cylinder expands outwards due to the pressure of the wire 5, because the waterproof sheet 405 (also made of elastic material) near the opening of the cylinder expands outwards along with the outward expansion and overflow of the silicone gel 404, so that two opposite bottom surfaces of the whole cylinder form a cone shape, the overflowing silicone gel 404 covers the surface of the wire 5, and external water is prevented from entering the second housing 4 along the surface of the wire 5, the waterproof effect on the terminal 201 is further enhanced.
Referring to fig. 4, the structure of the fixing sleeve 406 is adapted to the structure of the cylinder, the first half cylinder 402 includes a first sub half cylinder and a second sub half cylinder, the first sub half cylinder and the second sub half cylinder are integrally formed, the second sub half cylinder is connected to the wiring hole 401 through the first sub half cylinder, the radius of the first sub half cylinder is smaller than the radius of the second sub half cylinder, the second half cylinder 403 includes a third sub half cylinder and a fourth sub half cylinder, the fourth sub half cylinder is connected to the wiring hole 401 through the third sub half cylinder, and the radius of the third sub half cylinder is smaller than the radius of the fourth sub half cylinder.
To sum up, the utility model provides a waterproof structure of controller binding post, through set up the second casing on the surface of one side of the first casing far away from the base, can play waterproof effect to the binding post that stretches out the first casing, set up waterproof part in the wire connection hole department of second casing, can prevent water from entering the second casing along the surface of electric wire, further strengthened the waterproof effect to the binding post, improve the safety in utilization of controller greatly; the barrel intussuseption in the waterproof part of wiring hole department is filled with the waterproof piece cooperation on silica gel and the barrel inner wall for the water-proof effects of wiring hole department is good and set up waterproof piece more than two on the inner wall that is close to the barrel opening part, also makes things convenient for the installation of electric wire when guaranteeing waterproof performance, can extensively be adapted to the electric wire of multiple cross sectional shape such as platykurtic, circular, and it is more convenient, economy, practicality and safety to use, and waterproof performance is better moreover.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. The waterproof structure of the connecting terminal of the controller is characterized by comprising a base and a first shell with an opening, wherein the base is covered at the opening and seals the opening, a second shell is arranged on the outer surface of one side, far away from the base, of the first shell, a PCB is arranged in an inner cavity of the first shell, the PCB is fixedly arranged on the base, more than two connecting terminals are arranged on the PCB, one end of each connecting terminal penetrates through the first shell to the inner cavity of the second shell, more than two wiring holes are formed in the second shell, and a waterproof part is arranged at each wiring hole;
the waterproof part has the open-ended barrel including relative both ends, the one end of barrel with wiring hole fixed connection just the barrel with the wiring hole sets up with one heart, is close to all be equipped with the waterproof piece that the electric wire that supplies the peripheral hardware runs through the cylinder and get into the second casing inner chamber more than two on the inner wall of barrel opening part, the waterproof piece of both ends opening part with the barrel inner wall encloses into one and holds the chamber, it has silica gel to hold to fill in the chamber.
2. The controller connecting terminal's waterproof construction of claim 1, characterized in that, be equipped with the shoulder hole that supplies the binding post to pass on the first casing with the side of second casing contact, the shoulder hole includes first through-hole and second through-hole, the diameter of first through-hole is less than the diameter of second through-hole, first through-hole is close to first casing setting, be equipped with in the second through-hole and be the rubber buffer that the lantern ring is form, first through-hole and rubber buffer are passed in proper order to binding post's one end, the rubber buffer laminate in between binding post and second through-hole.
3. The waterproof structure of the controller connecting terminal according to claim 1, wherein the barrel includes a first half barrel and a second half barrel, the first half barrel is formed by extending the edge of the wiring hole outward, the second half barrel is detachably connected with the first half barrel, a fixing sleeve is sleeved on the outer wall of the barrel and is in threaded connection with the barrel, waterproof sheets are respectively arranged at two opposite ends of the second half barrel and two opposite ends of the first half barrel, and the inner cavity of the second half barrel and the inner cavity of the first half barrel are respectively filled with silicone gel.
4. The waterproof structure of a controller connection terminal according to claim 3, wherein the structure of the fixing sheath is adapted to the structure of the cylinder, the first half cylinder includes a first sub half cylinder and a second sub half cylinder, the second sub half cylinder is connected to the connection hole through the first sub half cylinder, the radius of the first sub half cylinder is smaller than the radius of the second sub half cylinder, the second half cylinder includes a third sub half cylinder and a fourth sub half cylinder, the fourth sub half cylinder is connected to the connection hole through the third sub half cylinder, and the radius of the third sub half cylinder is smaller than the radius of the fourth sub half cylinder.
5. The waterproof structure of a controller connection terminal according to claim 1, wherein the waterproof sheet is fan-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004991.1U CN210781613U (en) | 2019-11-19 | 2019-11-19 | Waterproof structure of controller wiring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004991.1U CN210781613U (en) | 2019-11-19 | 2019-11-19 | Waterproof structure of controller wiring terminal |
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| Publication Number | Publication Date |
|---|---|
| CN210781613U true CN210781613U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922004991.1U Active CN210781613U (en) | 2019-11-19 | 2019-11-19 | Waterproof structure of controller wiring terminal |
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| Country | Link |
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| CN (1) | CN210781613U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146692A (en) * | 2020-09-16 | 2020-12-29 | 科瑞工业自动化系统（苏州）有限公司 | Waterproof assembling method of waterproof sensor |
| CN112218022A (en) * | 2020-10-16 | 2021-01-12 | 广东长虹电子有限公司 | Television with time constant display function |
-
2019
- 2019-11-19 CN CN201922004991.1U patent/CN210781613U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146692A (en) * | 2020-09-16 | 2020-12-29 | 科瑞工业自动化系统（苏州）有限公司 | Waterproof assembling method of waterproof sensor |
| CN112218022A (en) * | 2020-10-16 | 2021-01-12 | 广东长虹电子有限公司 | Television with time constant display function |
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