CN109524262B - Push type underwater switch - Google Patents
Push type underwater switch Download PDFInfo
- Publication number
- CN109524262B CN109524262B CN201910030804.9A CN201910030804A CN109524262B CN 109524262 B CN109524262 B CN 109524262B CN 201910030804 A CN201910030804 A CN 201910030804A CN 109524262 B CN109524262 B CN 109524262B
- Authority
- CN
- China
- Prior art keywords
- shell
- base
- copper
- sealing ring
- push
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 57
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052802 copper Inorganic materials 0.000 claims abstract description 36
- 239000010949 copper Substances 0.000 claims abstract description 36
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000007123 defense Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/04—Cases; Covers
- H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/10—Bases; Stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/002—Casings sealed
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention relates to a push-type underwater switch, which comprises a base, wherein a conduction assembly is arranged at the lower part of the base and comprises a copper needle seat, two copper needles are arranged on the copper needle seat, and a spring is arranged at the lower part of the copper needle; the upper part of the base is connected with a trigger assembly, the trigger assembly comprises a shell, a movable sealing element is arranged in the middle of the shell, an end cover is arranged on the movable sealing element, a shaft hole is formed in the center of the shell, a shaft of a key is arranged in the shaft hole in a penetrating mode, a contact is arranged at the lower end of the shaft of the key, a copper ring is arranged at the lower end of the contact, and a pressure spring is arranged between the key and the end cover; a first sealing ring is arranged between the movable sealing piece and the end cover, and a second sealing ring and a third sealing ring are arranged between the movable sealing piece and the shell; the lower part of the shell is provided with an inner cylinder, the upper part of the base is provided with an outer cylinder, the outer cylinder is in threaded connection with the inner cylinder, and a fourth sealing ring is arranged between the inner cylinder and the outer cylinder. The invention has reliable sealing, has the pulse triggering function, allows larger working current to pass, and can be applied to underwater key-type operation equipment.
Description
Technical Field
The invention belongs to the technical field of circuit switches, and particularly relates to a deep water equipment switch which is applied to underwater key-type operation equipment.
Background
In recent years, with the development of national defense industry and the continuous development of underwater resources, ocean development and island underwater defense are formulated as development emphasis by the country, and frogman forces as special combat forces are increasingly doing various operations in the development of resources for underwater safety protection and general divers. When they finish the task under water, they need to use various underwater equipment such as positioning, navigation, detection and measurement, and these underwater equipment all need to have power switch to control the equipment to turn on or off. Compared with a common power switch, the deep water switch needs to have better water tightness, and the phenomenon that the circuit of the equipment is burnt out due to water leakage at the power switch is prevented. The existing underwater switch has insufficient pressure resistance to different degrees, can be only used in the field of shallow water, has a complex structure and has no problem of general applicability. An underwater switch as disclosed in chinese patent application 200720173947.8 can be directly operated under water, but its structure is too complex to have general applicability. Therefore, it is necessary to simplify the structure of the underwater push-button switch.
Disclosure of Invention
The invention aims to solve the problems of low pressure resistance and complex structure of the existing underwater switch, and designs a push-type underwater switch which has a pulse triggering function and allows larger working current to pass through. The push type underwater switch is reliable in sealing, simple in structure and suitable for underwater key type operation equipment.
The invention aims at realizing the following technical scheme: the push-type underwater switch comprises a base, wherein a conduction assembly is arranged at the lower part of the base, the conduction assembly comprises a copper needle seat, two copper needles are arranged on the copper needle seat, and a spring is arranged at the lower part of the copper needle; the upper part of the base is connected with a trigger assembly, the trigger assembly comprises a shell, a movable sealing piece is arranged in the middle of the shell, an end cover is arranged on the movable sealing piece, a shaft hole is arranged in the center of the shell, a shaft of a key is arranged in the shaft hole in a penetrating manner, a contact is arranged at the lower end of the shaft of the key, a copper ring is arranged at the lower end of the contact, and a pressure spring is arranged between the key and the end cover; a first sealing ring is arranged between the movable sealing piece and the end cover, and a second sealing ring and a third sealing ring are arranged between the movable sealing piece and the shell; the lower part of the shell is provided with an inner cylinder, the upper part of the base is provided with an outer cylinder, the outer cylinder is in threaded connection with the inner cylinder, and a fourth sealing ring is arranged between the inner cylinder and the outer cylinder.
Further, the middle part of shell is equipped with the recess, moving seal piece is inlayed in the recess, the outside of recess is equipped with the screw hole, the end cover is annular, the end cover passes through the screw fixation on the recess, the shaft hole is established the bottom of recess.
Further, the end face of the dynamic sealing element is annular, a first sealing ring installation groove and a third sealing ring installation groove are respectively arranged in the centers of the two end faces of the dynamic sealing element, and a second sealing ring installation groove is arranged on the side face of the dynamic sealing element.
Further, the contact is made of insulating materials, a threaded hole is formed in the upper end face of the contact, a shaft of the key is connected with the threaded hole, a groove is formed in the lower end face of the contact, and the copper ring is inlaid in the groove.
Furthermore, two through holes are formed in the middle of the copper needle seat, and the copper needle is inserted into the through holes.
Further, the copper needle comprises a barrel-shaped shell, a needle head is arranged at the upper part of the barrel-shaped shell, the spring is arranged in the barrel-shaped shell, and the spring abuts against the tail end of the needle head.
Furthermore, a stepped hole is formed in the lower portion of the base, and the copper needle seat is in threaded connection with the stepped hole.
Further, the key is made of stainless steel material, and the end cover is made of stainless steel material.
Further, the lower part of the base is provided with external threads, and the base is installed with equipment through nuts.
Further, a fifth sealing ring is arranged between the base and the equipment.
Compared with the prior art, the invention has the following advantages:
the invention has reliable sealing, simple structure and convenient assembly, and can be used on water or under water at any time; the device has the pulse triggering function, allows larger working current to pass, and can be applied to underwater key-type operation equipment.
The invention is described in detail below with reference to the drawings and the specific embodiments.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic diagram of the operation of the present invention.
Detailed Description
Embodiment one:
referring to fig. 1, a push-type underwater switch comprises a base 12, wherein a conduction assembly is arranged at the lower part of the base and comprises a copper needle seat 13, two copper needles 14 are arranged on the copper needle seat, and a spring 16 is arranged at the lower part of the copper needle; the upper part of the base is connected with a trigger assembly, the trigger assembly comprises a shell 4, a movable sealing piece 5 is arranged in the middle of the shell, an end cover 3 is arranged on the movable sealing piece, a shaft hole is arranged in the center of the shell, a shaft of a key 1 is arranged in the shaft hole in a penetrating manner, a contact 9 is arranged at the lower end of the shaft of the key, a copper ring 10 is arranged at the lower end of the contact, and a pressure spring 2 is arranged between the key and the end cover; a first sealing ring 6 is arranged between the movable sealing member and the end cover, and a second sealing ring 7 and a third sealing ring 8 are arranged between the movable sealing member and the shell; the lower part of the shell is provided with an inner cylinder, the upper part of the base is provided with an outer cylinder, the outer cylinder is in threaded connection with the inner cylinder, and a fourth sealing ring 11 is arranged between the inner cylinder and the outer cylinder.
In this embodiment, the key 1 has a disc-shaped key at the upper portion, a cylindrical shaft extending downward from the center of the disc-shaped key, and a screw thread provided at the end of the shaft. The shaft of the key is sequentially sleeved with a pressure spring 2, an end cover 3 and a dynamic seal piece 5. The contact 9 is an insulating material, a threaded hole is formed in the upper end face of the contact, a shaft of the key penetrates through the shaft hole and then is connected with the threaded hole, a groove is formed in the lower end face of the contact, and the copper ring is inlaid in the groove and in interference fit with the groove.
In this embodiment, the middle part of the housing 4 is provided with a groove, the dynamic seal member is embedded in the groove, a threaded hole is formed in the outer side of the groove, the end cover is annular, the end cover is fixed on the groove through a screw, and the shaft hole is formed in the bottom of the groove.
In this embodiment, the end face of the dynamic seal member is annular, the centers of the two end faces of the dynamic seal member are respectively provided with a first seal ring installation groove and a third seal ring installation groove, and the side face of the dynamic seal member is provided with a second seal ring installation groove. The key, the pressure spring, the contact and the copper ring form a triggering part of the push-type underwater switch.
In this embodiment, the copper needle 14 comprises a barrel-shaped housing, the upper part of which is provided with a needle head, and the spring 16 is arranged in the barrel-shaped housing, and the spring abuts against the end of the needle head. The opening part of the barrel-shaped shell is provided with the baffle ring which is integrally formed, the tail end of the needle head is provided with the baffle edge, the baffle ring and the baffle edge can prevent the needle head from falling out of the barrel-shaped shell, and the needle head can stretch out and draw back, so that the contact between the needle head and the copper ring is softer. The middle part of the copper needle seat 13 is provided with two through holes, and the copper needle 14 is inserted in the through holes. The barrel-shaped shell of the copper needle is in interference fit with the through hole.
In this embodiment, a stepped hole is formed in the lower portion of the base 12, an internal thread structure is formed in the stepped hole, a thread structure is formed outside the copper needle seat 13, and the copper needle seat 13 is in threaded connection with the stepped hole. The copper needle seat, the copper needle, the spring and the base form a conducting part of the push-type underwater switch.
In this embodiment, the housing 4, the end cap, the dynamic seal member, the first seal ring, the second seal ring, and the third seal ring constitute a seal portion of the push-type underwater switch. The first sealing ring is extruded by the end cover and deforms, the third sealing ring is extruded by the bottom surface of the groove of the shell and deforms, the inner sides of the first sealing ring and the third sealing ring after deformation are attached to the surface of the shaft of the key, and therefore water or other liquid is prevented from flowing into the pressing underwater switch along the gap between the shaft and the dynamic sealing piece, and the underwater sealing function is achieved.
In this embodiment, the key 1 is made of stainless steel, and the end cover 3 is made of stainless steel.
Referring to fig. 2, in this embodiment, the lower part of the base 12 is provided with external threads, and the lower part of the base is mounted with a threaded hole on the equipment housing 17, and then locked and fixed from the inside of the equipment housing by a nut 18. A fifth sealing ring mounting groove is formed in the contact surface of the base and the equipment shell, and a fifth sealing ring 15 is arranged between the base and the equipment shell. After the locking and fixing, the fifth sealing ring is extruded by the surface of the equipment shell and is opened, so that water or other liquid is prevented from flowing into the equipment along a gap between the base and the equipment shell, and the underwater sealing function is realized.
Referring to fig. 2, the press key is pressed downwards, the pressure spring is compressed, the press key, the contact and the copper ring move downwards integrally, the copper ring is contacted with the needle heads of the copper needles, the short circuit of the two copper needles is realized, and the conduction is realized by the pressing type underwater switch. And the key is released, the pressure spring stretches to push the key to move upwards for resetting, the copper ring is separated from the needle heads of the copper needles, and the two copper needles are disconnected, so that the closing of the push-type underwater switch is realized.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and relevant scope of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a push type underwater switch, includes base, its characterized in that: the lower part of the base is provided with a conduction assembly, the conduction assembly comprises a copper needle seat, two copper needles are arranged on the copper needle seat, and the lower part of the copper needle is provided with a spring; the upper part of the base is connected with a trigger assembly, the trigger assembly comprises a shell, a dynamic seal piece is arranged in the middle of the shell, an end cover is arranged on the dynamic seal piece, a shaft hole is arranged in the center of the shell, a groove is formed in the middle of the shell, the dynamic seal piece is embedded in the groove, a threaded hole is formed in the outer side of the groove, the end cover is annular, the end cover is fixed on the groove through a screw, the shaft hole is formed in the bottom of the groove, a shaft of a key is arranged in the shaft hole in a penetrating mode, a contact is arranged at the lower end of the shaft of the key, a copper ring is arranged at the lower end of the contact, and a pressure spring is arranged between the key and the end cover; a first sealing ring is arranged between the movable sealing piece and the end cover, and a second sealing ring and a third sealing ring are arranged between the movable sealing piece and the shell; the lower part of the shell is provided with an inner cylinder, the upper part of the base is provided with an outer cylinder, the outer cylinder is in threaded connection with the inner cylinder, and a fourth sealing ring is arranged between the inner cylinder and the outer cylinder.
2. The push-type underwater switch of claim 1 wherein: the end faces of the dynamic sealing element are annular, a first sealing ring installation groove and a third sealing ring installation groove are respectively arranged in the centers of the two end faces of the dynamic sealing element, and a second sealing ring installation groove is arranged on the side face of the dynamic sealing element.
3. The push-type underwater switch of claim 1 wherein: the contact is insulating material, the up end of contact is equipped with the screw hole, the axle of button with the screw hole is connected, the lower terminal surface of contact is equipped with the recess, the copper ring is inlayed in the recess.
4. The push-type underwater switch of claim 1 wherein: the middle part of the copper needle seat is provided with two through holes, and the copper needle is inserted in the through holes.
5. The push-type underwater switch of claim 1 wherein: the copper needle comprises a barrel-shaped shell, a needle head is arranged on the upper portion of the barrel-shaped shell, the spring is arranged in the barrel-shaped shell, and the spring abuts against the tail end of the needle head.
6. The push-type underwater switch of claim 1 wherein: the lower part of the base is provided with a stepped hole, and the copper needle seat is in threaded connection with the stepped hole.
7. The push-type underwater switch of claim 1 wherein: the key is made of stainless steel, and the end cover is made of stainless steel.
8. The push-type underwater switch of claim 1 wherein: the lower part of the base is provided with external threads, and the base is installed with equipment through nuts.
9. The push-type subsea switch of claim 8, characterized in that: a fifth sealing ring is arranged between the base and the equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030804.9A CN109524262B (en) | 2019-01-14 | 2019-01-14 | Push type underwater switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910030804.9A CN109524262B (en) | 2019-01-14 | 2019-01-14 | Push type underwater switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109524262A CN109524262A (en) | 2019-03-26 |
| CN109524262B true CN109524262B (en) | 2024-03-01 |
Family
ID=65798855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910030804.9A Active CN109524262B (en) | 2019-01-14 | 2019-01-14 | Push type underwater switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109524262B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111415832A (en) * | 2020-05-09 | 2020-07-14 | 中船海洋探测技术研究院有限公司 | Non-induction type small-sized underwater push type switch |
| CN112435883B (en) * | 2020-12-09 | 2024-04-05 | 中国科学院沈阳自动化研究所 | Mechanical on-off switch for underwater robot |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0550442U (en) * | 1991-12-05 | 1993-07-02 | 富士写真光機株式会社 | Underwater camera operation button structure |
| JP2005347067A (en) * | 2004-06-02 | 2005-12-15 | Omron Corp | Push-button switch |
| CN101221856A (en) * | 2007-01-08 | 2008-07-16 | 左天乔 | Totally sealed electric switch |
| CN203588862U (en) * | 2013-12-02 | 2014-05-07 | 国家海洋技术中心 | Pulling type powering-on device with watertight function |
| CN103871765A (en) * | 2014-03-28 | 2014-06-18 | 贵州振华华联电子有限公司 | Reverse pulling type switch |
| CN104425158A (en) * | 2013-08-21 | 2015-03-18 | 海尔集团公司 | Waterproof switch and refrigerator |
| CN205828216U (en) * | 2016-07-20 | 2016-12-21 | 博雅工道（北京）机器人科技有限公司 | The water proof switch of a kind of machine fish and machine fish |
| CN205943848U (en) * | 2016-07-07 | 2017-02-08 | 惠州同发宝微控科技有限公司 | Dab press the switch |
| CN207450251U (en) * | 2017-10-27 | 2018-06-05 | 深圳市太阳美科技有限公司 | A kind of water proof switch of underwater unmanned plane |
| CN207818432U (en) * | 2018-03-07 | 2018-09-04 | 京东方科技集团股份有限公司 | A kind of waterproof key component and electronic equipment |
| CN209149986U (en) * | 2019-01-14 | 2019-07-23 | 中国电子科技集团公司第三研究所 | A kind of push type underwater switch |
-
2019
- 2019-01-14 CN CN201910030804.9A patent/CN109524262B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0550442U (en) * | 1991-12-05 | 1993-07-02 | 富士写真光機株式会社 | Underwater camera operation button structure |
| JP2005347067A (en) * | 2004-06-02 | 2005-12-15 | Omron Corp | Push-button switch |
| CN101221856A (en) * | 2007-01-08 | 2008-07-16 | 左天乔 | Totally sealed electric switch |
| CN104425158A (en) * | 2013-08-21 | 2015-03-18 | 海尔集团公司 | Waterproof switch and refrigerator |
| CN203588862U (en) * | 2013-12-02 | 2014-05-07 | 国家海洋技术中心 | Pulling type powering-on device with watertight function |
| CN103871765A (en) * | 2014-03-28 | 2014-06-18 | 贵州振华华联电子有限公司 | Reverse pulling type switch |
| CN205943848U (en) * | 2016-07-07 | 2017-02-08 | 惠州同发宝微控科技有限公司 | Dab press the switch |
| CN205828216U (en) * | 2016-07-20 | 2016-12-21 | 博雅工道（北京）机器人科技有限公司 | The water proof switch of a kind of machine fish and machine fish |
| CN207450251U (en) * | 2017-10-27 | 2018-06-05 | 深圳市太阳美科技有限公司 | A kind of water proof switch of underwater unmanned plane |
| CN207818432U (en) * | 2018-03-07 | 2018-09-04 | 京东方科技集团股份有限公司 | A kind of waterproof key component and electronic equipment |
| CN209149986U (en) * | 2019-01-14 | 2019-07-23 | 中国电子科技集团公司第三研究所 | A kind of push type underwater switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109524262A (en) | 2019-03-26 |
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