CN114038695B - Novel waterproof ventilative back-up lamp switch sensor - Google Patents
Novel waterproof ventilative back-up lamp switch sensor Download PDFInfo
- Publication number
- CN114038695B CN114038695B CN202111253909.4A CN202111253909A CN114038695B CN 114038695 B CN114038695 B CN 114038695B CN 202111253909 A CN202111253909 A CN 202111253909A CN 114038695 B CN114038695 B CN 114038695B
- Authority
- CN
- China
- Prior art keywords
- shell
- contact
- push rod
- switch sensor
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000012528 membrane Substances 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
- H01H9/047—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings provided with venting means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a novel waterproof and breathable reversing light switch sensor, wherein a contact pin is positioned in a second shell, one end of the contact pin forms a first contact at the closed end of the second shell, an air hole is formed in the closed end of the second shell, a waterproof and breathable film is arranged on the air hole, a second contact is arranged on a plug at one end of a push rod, one end of the push rod penetrates through the first shell, the plug abuts against a second step, the second shell is fixedly arranged in a penetrating cavity and is in sealing fit with the first step through a sealing ring, and a spring is positioned in the penetrating cavity, and two ends of the spring abut against the push rod and the second shell respectively; through setting up waterproof ventilated membrane, will leak the gaseous quilt of leaking between first contact and second contact and be discharged, guarantee that pressure between the two is unanimous with atmospheric pressure all the time, effectively prevent outside liquid together with the sealing washer simultaneously, the protection contact is not corroded.
Description
Technical Field
The invention relates to the technical field of reversing light switch sensors, in particular to a novel waterproof and breathable reversing light switch sensor.
Background
The neutral gear switch sensor is widely applied to the automobile industry, and when the gear of a vehicle is switched to reverse, a reverse lamp of the vehicle can be lightened, so that the effect of lighting and warning the rear vehicle is achieved. Because the sensor push rod and the push rod shell of the neutral gear switch are unlikely to be completely sealed, under the action of system pressure, air flow can flow to the contact control cavity, so that the pressure in the electric shock control cavity is balanced with the system pressure, the original pressure difference is reduced, even no pressure difference exists, the original force of the system pressure acting on the push rod disappears, more external force is needed to push the push rod to move, the reverse gear is not smooth, if the release pressure of the exhaust hole is increased in the electric shock control cavity, the pressure difference can be formed again, but liquid penetration can be caused, and the circuit is short-circuited or the metal contacts in the circuit are corroded.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a novel waterproof breathable reversing lamp switch sensor.
The invention provides a novel waterproof breathable reversing light switch sensor, which comprises: the device comprises a first shell, a second shell, a push rod, a contact pin and a spring;
a penetrating cavity is formed in the first shell, a first step and a second step are sequentially formed on the inner wall of the penetrating cavity along the extending direction, and a sealing ring is arranged at the first step;
the second shell is internally provided with a containing cavity with an opening at one end, the contact pin is positioned in the containing cavity, one end of the contact pin penetrates through the second shell to form a first contact at the closed end, the closed end of the second shell is provided with an air vent, and the air vent is provided with a waterproof breathable film;
one end of the push rod is provided with a plug, and a second contact is arranged on the plug;
the push rod is kept away from end cap one end and is kept away from second step one side and passes first casing and end cap and support the second step from first step, and the blind end of second casing stretches into from first step is kept away from second step one side run through the intracavity and fixed mounting run through in the chamber, the blind end of second casing pass through the sealing washer with first step sealing fit, second contact and first contact interval preset distance, the spring is located run through intracavity and both ends are supported push rod and second casing respectively.
Preferably, a plurality of pins are mounted in the second housing, the plurality of pins forming a plurality of second contacts circumferentially distributed at the sealing end of the second housing, the first contact having an annular configuration for mating with the plurality of second contacts.
Preferably, the waterproof and breathable film is installed in the second housing, and an installation ring groove for placing the waterproof and breathable film is formed at the edge of the ventilation hole.
Preferably, the second casing is provided with one ventilation hole or a plurality of ventilation holes distributed along the circumference of the closed end.
Preferably, the closed end of the second shell is provided with a first positioning groove matched with one end of the spring, one end of the push rod, which is close to the second shell, is provided with a second positioning groove matched with the other end of the spring, and the plug is provided with an opening for the spring to pass through.
Preferably, the outer wall of the second shell is provided with a clamping groove, and the inner wall of the first shell is provided with a clamping protrusion matched with the clamping groove.
Preferably, the outer wall of the second shell forms an annular limiting step, the limiting step is located on one side, far away from the first shell, of the clamping groove, and the clamping protrusion abuts against the limiting step.
Preferably, the second housing is made of plastic.
According to the novel waterproof breathable reversing light switch sensor, a contact pin is positioned in a second shell, one end of the contact pin forms a first contact at the closed end of the second shell, an air hole is formed in the closed end of the second shell, a waterproof breathable film is arranged on the air hole, a second contact is arranged on a plug at one end of a push rod, one end of the push rod penetrates through the first shell, the plug abuts against a second step, the second shell is fixedly arranged in a penetrating cavity and is in sealing fit with the first step through a sealing ring, and a spring is positioned in the penetrating cavity, and two ends of the spring abut against the push rod and the second shell respectively; through setting up waterproof ventilated membrane, will leak the gaseous quilt of leaking between first contact and second contact and be discharged, guarantee that pressure between the two is unanimous with atmospheric pressure all the time, effectively prevent outside liquid together with the sealing washer simultaneously, the protection contact is not corroded.
Drawings
Fig. 1 is a schematic diagram of a novel waterproof and breathable reversing light switch sensor in one direction.
Fig. 2 is a schematic diagram of another direction of the novel waterproof and breathable reversing light switch sensor according to the present invention.
Fig. 3 is a schematic top view of a novel waterproof and breathable reversing light switch sensor according to the present invention.
Fig. 4 is a cross-sectional structural view of fig. 3 along A-A.
Fig. 5 is a sectional structural view of fig. 3 in the direction B-B.
Detailed Description
As shown in fig. 1 to 5, fig. 1 is a schematic structural view of one direction of a novel waterproof and breathable back-up lamp switch sensor according to the present invention, fig. 2 is a schematic structural view of the other direction of the novel waterproof and breathable back-up lamp switch sensor according to the present invention, fig. 3 is a schematic structural view of a top view of the novel waterproof and breathable back-up lamp switch sensor according to the present invention, fig. 4 is a sectional structural view of fig. 3 along A-A direction, and fig. 5 is a sectional structural view of fig. 3 along B-B direction.
Referring to fig. 1 to 5, the present invention provides a novel waterproof breathable backup lamp switch sensor, comprising: a first housing 1, a second housing 2, a push rod 3, a pin 4 and a spring 5;
a penetrating cavity is formed in the first shell 1, a first step and a second step are sequentially formed on the inner wall of the penetrating cavity along the extending direction, and a sealing ring 6 is arranged at the first step;
the second casing 2 is internally provided with a containing cavity with one end open, the contact pin 4 is positioned in the containing cavity, one end of the contact pin penetrates through the second casing 2 to form a first contact 71 at the closed end, the closed end of the second casing 2 is provided with an air vent, and the air vent is provided with a waterproof breathable film 8;
one end of the push rod 3 is provided with a plug 9, and a second contact 72 is arranged on the plug 9;
the end, away from the plug 9, of the push rod 3 penetrates the first shell 1 from the side, away from the second step, of the first step, the plug 9 abuts against the second step, the closed end of the second shell 2 extends into the penetrating cavity from the side, away from the second step, of the first step, and is fixedly installed in the penetrating cavity, the closed end of the second shell 2 is in sealing fit with the first step through a sealing ring 6, a second contact 72 is spaced from the first contact 71 by a preset distance, and a spring 5 is located in the penetrating cavity, and two ends of the spring abut against the push rod 3 and the second shell 2 respectively.
In the specific working process of the novel waterproof breathable reversing light switch sensor, when the reversing light switch sensor normally drives, under the action of spring force, the push rod is at the bottommost part, the first contact is separated from the second contact, the reversing light switch sensor is in a normally open state, at the moment, a small amount of gas slowly leaks into a contact cavity between the first contact and the second contact, the pressure of the contact cavity is discharged to the atmosphere through the waterproof breathable film, and the pressure in the contact cavity is always consistent with the atmospheric pressure; in addition, the waterproof breathable film has a waterproof effect, so that the fact that liquid in the atmosphere cannot enter the contact cavity can be guaranteed. When the vehicle enters a reversing state, the push rod smoothly moves towards the direction of the second shell under the combined action of the pressure difference of the system and the spring force due to the pushing of the shifting fork, the first contact is contacted with the second contact, a circuit is connected, and the reversing light is turned on.
In the embodiment, the novel waterproof breathable reversing light switch sensor is provided, the contact pin is positioned in the second shell, one end of the contact pin forms a first contact at the closed end of the second shell, the closed end of the second shell is provided with an air hole, a waterproof breathable film is arranged on the air hole, a second contact is arranged on a plug at one end of a push rod, one end of the push rod passes through the first shell, the plug abuts against a second step, the second shell is fixedly installed in the penetrating cavity and is in sealing fit with the first step through a sealing ring, and the spring is positioned in the penetrating cavity, and two ends of the spring abut against the push rod and the second shell respectively; through setting up waterproof ventilated membrane, will leak the gaseous quilt of leaking between first contact and second contact and be discharged, guarantee that pressure between the two is unanimous with atmospheric pressure all the time, effectively prevent outside liquid together with the sealing washer simultaneously, the protection contact is not corroded.
In the specific embodiment, a plurality of pins 4 are mounted in the second housing 2, the plurality of pins 4 form a plurality of second contacts 72 distributed circumferentially at the sealing end of the second housing 2, and the first contacts 71 have an annular structure that mates with the plurality of second contacts 72.
In a specific arrangement mode of the ventilation holes, the second shell 2 is provided with one ventilation hole or a plurality of ventilation holes distributed along the circumference of the closed end; the plurality of ventilation holes are circumferentially distributed at the closed end, so that the air pressure balance of each position in the contact cavity is ensured.
In the specific design mode of the waterproof and breathable film, the waterproof and breathable film 8 is installed in the second shell 2, and an installation ring groove for placing the waterproof and breathable film 8 is formed at the edge of the air hole, so that water vapor is isolated outside the contact cavity.
In the specific installation mode of the spring, the closed end of the second shell 2 is provided with a first positioning groove matched with one end of the spring 5, one end of the push rod 3, which is close to the second shell 2, is provided with a second positioning groove matched with the other end of the spring 5, and the plug 9 is provided with an opening for the spring 5 to pass through.
In the matched installation of the first shell and the second shell, the outer wall of the second shell 2 is provided with a clamping groove, and the inner wall of the first shell 1 is provided with a clamping protrusion 10 matched with the clamping groove; the first shell and the second shell are fixed through the clamping protrusions and the clamping grooves in a clamping mode, installation of the first shell and the second shell is facilitated, and installation reliability is guaranteed. Further, an annular limiting step is formed on the outer wall of the second shell 2, the limiting step is positioned on one side, away from the first shell 1, of the clamping groove, and the clamping protrusion 10 abuts against the limiting step; further improving the reliability of both installation.
In the material selection of each component, the second shell 2 is made of plastic, so that the second shell is convenient to be clamped and installed with the first shell.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. Novel waterproof ventilative back-up lamp switch sensor, its characterized in that includes: the device comprises a first shell (1), a second shell (2), a push rod (3), a contact pin (4) and a spring (5);
a penetrating cavity is formed in the first shell (1), a first step and a second step are sequentially formed on the inner wall of the penetrating cavity along the extending direction, and a sealing ring (6) is arranged at the first step;
an accommodating cavity with one end open is formed in the second shell (2), the contact pin (4) is positioned in the accommodating cavity, one end of the contact pin penetrates through the second shell (2) to form a first contact (71) at the closed end, the closed end of the second shell (2) is provided with an air vent, and the air vent is provided with a waterproof breathable film (8);
one end of the push rod (3) is provided with a plug (9), and a second contact (72) is arranged on the plug (9);
one end of the push rod (3) far away from the plug (9) penetrates through the first shell (1) from one side of the first step far away from the second step, the plug (9) abuts against the second step, the closed end of the second shell (2) stretches into the penetrating cavity from one side of the first step far away from the second step and is fixedly installed in the penetrating cavity, the closed end of the second shell (2) is in sealing fit with the first step through a sealing ring (6), a second contact (72) and a first contact (71) are separated by a preset distance, and a spring (5) is located in the penetrating cavity, and two ends of the spring abut against the push rod (3) and the second shell (2) respectively;
the waterproof breathable film (8) is arranged in the second shell (2), and an installation ring groove for placing the waterproof breathable film (8) is formed at the edge of the breathable hole;
the second shell (2) is provided with a vent hole or a plurality of vent holes distributed along the circumference of the closed end.
2. The novel waterproof and breathable reversing light switch sensor according to claim 1, characterized in that a plurality of pins (4) are installed in the second shell (2), the pins (4) form a plurality of first contacts (71) distributed along the circumference at the sealing end of the second shell (2), and the first contacts (71) are of annular structures matched with the second contacts (72).
3. The novel waterproof and breathable reversing light switch sensor according to claim 1, wherein a first positioning groove matched with one end of the spring (5) is formed in the closed end of the second shell (2), a second positioning groove matched with the other end of the spring (5) is formed in one end, close to the second shell (5), of the push rod (3), and an opening for the spring (5) to pass through is formed in the plug (9).
4. The novel waterproof breathable reversing light switch sensor according to claim 1, wherein the outer wall of the second shell (2) is provided with a clamping groove, and the inner wall of the first shell (1) is provided with a clamping protrusion (10) matched with the clamping groove.
5. The novel waterproof breathable reversing light switch sensor according to claim 4, wherein the outer wall of the second shell (2) forms an annular limiting step, the limiting step is located on one side, away from the first shell (1), of the clamping groove, and the clamping protrusion (10) abuts against the limiting step.
6. The novel waterproof breathable back-up light switch sensor according to claim 1, characterized in that the second housing (2) is made of plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111253909.4A CN114038695B (en) | 2021-10-27 | 2021-10-27 | Novel waterproof ventilative back-up lamp switch sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111253909.4A CN114038695B (en) | 2021-10-27 | 2021-10-27 | Novel waterproof ventilative back-up lamp switch sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114038695A CN114038695A (en) | 2022-02-11 |
| CN114038695B true CN114038695B (en) | 2024-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111253909.4A Active CN114038695B (en) | 2021-10-27 | 2021-10-27 | Novel waterproof ventilative back-up lamp switch sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114038695B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114953308B (en) * | 2022-04-29 | 2024-08-06 | 上海熹贾精密技术有限公司 | Automatic flash separation die and control method thereof |
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| CN107146725A (en) * | 2017-05-27 | 2017-09-08 | 东风商用车有限公司 | Neutral-reverse gear switch structure in gearbox |
| CN107230567A (en) * | 2017-07-21 | 2017-10-03 | 浙江万里扬股份有限公司 | Construction of switch and automobiles indicator lamp |
| CN206574613U (en) * | 2017-03-16 | 2017-10-20 | 广西南星科技有限公司 | Bls |
| CN209345129U (en) * | 2019-03-07 | 2019-09-03 | 重庆长安志阳汽车电气有限责任公司 | Reversing light switch |
| CN210882459U (en) * | 2019-10-24 | 2020-06-30 | 金华市马王电动车有限公司 | Full-automatic dual-mode electric vehicle |
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2021
- 2021-10-27 CN CN202111253909.4A patent/CN114038695B/en active Active
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| DE19939189A1 (en) * | 1999-08-18 | 2001-02-22 | Opel Adam Ag | Reversing-light switch for motor vehicle, has contact device encapsulated in contact chamber acted on by plunger via diaphragm |
| CN201213104Y (en) * | 2008-07-11 | 2009-03-25 | 叶成春 | Signal switch |
| KR20110067457A (en) * | 2009-12-14 | 2011-06-22 | 주식회사 신창전기 | Back up lamp switch for vehicle |
| CN102050055A (en) * | 2010-12-07 | 2011-05-11 | 常州澳丰机电制造有限公司 | Mining intrinsically safe car backing-up alarming device |
| CN102097223A (en) * | 2010-12-07 | 2011-06-15 | 重庆青山工业有限责任公司 | Reversing light switch assembly |
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| CN107146725A (en) * | 2017-05-27 | 2017-09-08 | 东风商用车有限公司 | Neutral-reverse gear switch structure in gearbox |
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| CN210882459U (en) * | 2019-10-24 | 2020-06-30 | 金华市马王电动车有限公司 | Full-automatic dual-mode electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114038695A (en) | 2022-02-11 |
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Effective date of registration: 20221223 Address after: 200000 building 13, No. 3398, Puwei Road, Fengxian District, Shanghai Applicant after: Shanghai Xijia Precision Technology Co.,Ltd. Address before: 242300 standardized workshop at the intersection of Hailuo road and Biyun Road, port Ecological Industrial Park, Ningguo Economic and Technological Development Zone, Ningguo City, Xuancheng City, Anhui Province Applicant before: Anhui Xijia Precision Technology Co.,Ltd. |
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