CN109920674A - The waterproof construction and ammeter of the key of ammeter - Google Patents
The waterproof construction and ammeter of the key of ammeter Download PDFInfo
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- CN109920674A CN109920674A CN201910279357.0A CN201910279357A CN109920674A CN 109920674 A CN109920674 A CN 109920674A CN 201910279357 A CN201910279357 A CN 201910279357A CN 109920674 A CN109920674 A CN 109920674A
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- Prior art keywords
- key
- ammeter
- sealing member
- auxiliary sealing
- auxiliary
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- 238000010276 construction Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 90
- 238000012856 packing Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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Abstract
The present invention provides a kind of waterproof constructions of the key of ammeter, including the meter case with installation cavity, wiring board is installed within the installation cavity of the meter case, the wiring board is equipped with key, the meter case is equipped with key mounting hole, button cap is equipped in the key mounting hole, the button cap is connected with press key pole, the sealing ring that sealing cooperation is formed with the meter case is cased on the press key pole, the wiring board is equipped with the auxiliary sealing member with elastic packing chamber, and the auxiliary sealing member covers on the key.The present invention also provides a kind of ammeters.The beneficial effects of the present invention are: working as key just at work, rainwater is flowed at auxiliary sealing member, because auxiliary sealing member is pressed by meter case and wiring board reaches IP54 waterproof effect, rainwater enters the inside less than ammeter；It can be realized according to the installation environment of ammeter and meet the compatible exchange between IP51-IP52 and IP54 is required.
Description
Technical field
The present invention relates to ammeter more particularly to a kind of waterproof constructions and ammeter of the key of ammeter.
Background technique
Installing and using for ammeter is at home and abroad divided into two kinds of situations, and one is mounted in interior, avoids wind and weather, and waterproof is wanted
It asks and is mounted in outdoor for IP51-IP52, two, the requirement of waterproof will reach IP54 or more, so the key of ammeter will be according to anti-
The requirement of water is designed to different structures.
The structure of the key of existing ammeter is as shown in Figure 1, when the key 4 on PCB5 is that off working state is drenched with rain, rain
Water flows into come from the gap of button cap 1 and meter case 2, flows at sealing ring 3, and sealing ring 3 plays the role of sealing, rainwater into
Enter the inside less than ammeter, can only achieve the requirement of waterproof IP52.
As shown in Fig. 2, but when the key 4 on PCB5 is working condition, rainwater is between button cap 1 and meter case 2
Clearance flow is come in, and sealing ring 3 does not have the effect of sealing, and rainwater enters the inside of ammeter, is unable to reach the requirement of waterproof IP54.
The structure of the key of existing ammeter has the disadvantage that:
1. IP54 is not achieved in key waterproof requirement, can not meet customer demand when ammeter requires to be mounted on outdoor.
2. cannot be realized according to the installation environment of ammeter and meet the compatible exchange between IP51-IP52 and IP54 is required.
Summary of the invention
In order to solve the problems in the prior art, the present invention provides a kind of waterproof construction of the key of ammeter and ammeters.
The present invention provides a kind of waterproof constructions of the key of ammeter, described including the meter case with installation cavity
Wiring board is installed, the wiring board is equipped with key, and the meter case is equipped with and presses within the installation cavity of meter case
Key mounting hole is equipped with button cap in the key mounting hole, and the button cap is connected with press key pole, be cased on the press key pole with
The meter case forms the sealing ring of sealing cooperation, and the wiring board is equipped with the auxiliary sealing member with elastic packing chamber,
The auxiliary sealing member covers on the key, and the key is located within the elastic packing chamber of the auxiliary sealing member, institute
Auxiliary sealing member and the meter case are stated as sealing cooperation, the press key pole, auxiliary sealing member, key coaxial arrangement are described
Auxiliary sealing member is arranged between the press key pole, key.
As a further improvement of the present invention, the key mounting hole is enclosed by the circular passage being closed, described auxiliary
Helping sealing element includes the annular seal grooves of closure, and the circular passage is inserted into the annular seal grooves and forms sealing cooperation,
The annular seal grooves of auxiliary sealing member described in the circular passage, route board clamping, the annular seal grooves are enclosed in institute
State elastic packing chamber surrounding.
As a further improvement of the present invention, the auxiliary sealing member, circular passage are enclosed sealing boundary, described to press
Keycap, press key pole, sealing ring are except the sealing boundary, and the key is within the sealing boundary.
As a further improvement of the present invention, the auxiliary sealing member includes central contact cylinder and connects positioned at the center
The flexible housing for body surrounding of striking the post, the flexible housing, central contact cylinder are enclosed the elastic packing chamber, the annular
Sealed groove is enclosed in the flexible housing surrounding.
As a further improvement of the present invention, the auxiliary sealing member is rotary body, and rotation axis is that the center connects
It strikes the post the axis of body.
As a further improvement of the present invention, the press key pole, central contact cylinder, key coaxial arrangement.
As a further improvement of the present invention, the annular seal grooves are located at the lateral surface of the auxiliary sealing member, institute
State the medial surface that elastic packing chamber is located at the auxiliary sealing member.
The present invention also provides a kind of ammeter, the waterproof constructions of the key including ammeter described in any of the above embodiments.
The beneficial effects of the present invention are: through the above scheme, when the waterproof requirement of key is drenched with rain for IP54, rainwater is from pressing
The gap of keycap and meter case, which flows into, to be come, and is flowed at sealing ring, if key is off working state, sealing ring be may be implemented
Waterproof sealing, if key is working, rainwater, which continues to flow into, carrys out when rainwater flows at auxiliary sealing member, because supplemented by
It helps sealing element to be pressed by meter case and wiring board and reaches IP54 waterproof effect, rainwater enters the inside less than ammeter；It can root
It is realized according to the installation environment of ammeter and meets the compatible exchange between IP51-IP52 and IP54 are required, when needing to meet IP51-IP52
Waterproof requirement, then sealing ring is installed, auxiliary sealing member is not installed, when needing to meet IP54 waterproof requirement, then sealing ring is installed
And auxiliary sealing member, versatility are high.
Detailed description of the invention
Fig. 1 is the off working state schematic diagram of the waterproof construction of the key of existing ammeter.
Fig. 2 is the working state schematic representation of the waterproof construction of the key of existing ammeter.
Fig. 3 is a kind of schematic diagram of the waterproof construction of the key of ammeter of the present invention.
Fig. 4 is a kind of partial enlargement diagram of the waterproof construction of the key of ammeter of the present invention.
Fig. 5 is a kind of schematic diagram of the auxiliary sealing member of the waterproof construction of the key of ammeter of the present invention.
Fig. 6 is a kind of decomposition diagram of the waterproof construction of the key of ammeter of the present invention.
Fig. 7 is that a kind of satisfaction of waterproof construction of the key of ammeter of the present invention installs the schematic diagram of waterproof requirement indoors.
Specific embodiment
The invention will be further described for explanation and specific embodiment with reference to the accompanying drawing.
As shown in Fig. 3 to Fig. 7, a kind of waterproof construction of the key of ammeter, including the meter case 2 with installation cavity,
Wiring board (PCB) 5 is installed, the wiring board 5 is equipped with key 4, and key 4 is again within the installation cavity of the meter case 2
Claim key switch, the meter case 2 is equipped with key mounting hole 22, and button cap 1 is equipped in the key mounting hole 22, described
Button cap 1 is connected with press key pole 11, and the sealing ring 3 that sealing cooperation is formed with the meter case 2 is cased on the press key pole 11,
Only when key 4 is not pressed, (i.e. off working state) seals sealing ring 3, and the wiring board 5, which is equipped with, has bullet
Property seal chamber 61 auxiliary sealing member 6, the auxiliary sealing member 6 covers on the key 4, and the key 4 is located at described auxiliary
It helps within the elastic packing chamber 61 of sealing element 6, the auxiliary sealing member 6 is sealing cooperation, the key with the meter case 2
Bar 11, auxiliary sealing member 6, key 4 are coaxially disposed, and the auxiliary sealing member 6 is arranged between the press key pole 11, key 4, institute
State sealing ring 3, auxiliary sealing member 6 is made by silica gel material.
As shown in Fig. 3 to Fig. 7, the key mounting hole 22 is enclosed by the circular passage 21 being closed, and the auxiliary is close
Sealing 6 includes the annular seal grooves 62 of closure, and the circular passage 21, which is inserted into the annular seal grooves 62 and is formed to seal, matches
It closes, the circular passage 21, wiring board 5 clamp the annular seal grooves 62 of the auxiliary sealing member 6, the annular seal grooves
62 are enclosed in 61 surrounding of elastic packing chamber.
As shown in Fig. 3 to Fig. 7, the auxiliary sealing member 6, circular passage 21 are enclosed sealing boundary, the button cap
1, press key pole 11, sealing ring 3 are except the sealing boundary, and the key 4 is within the sealing boundary.
As shown in Fig. 3 to Fig. 7, the auxiliary sealing member 6 is including central contact cylinder 63 and is located at the central contact column
The flexible housing 64 of 63 surrounding of body, the flexible housing 64, central contact cylinder 63 are enclosed the elastic packing chamber 61, institute
It states annular seal grooves 62 and is enclosed in 64 surrounding of flexible housing.
As shown in Fig. 3 to Fig. 7, the auxiliary sealing member 6 is rotary body, and rotation axis is the central contact cylinder 63
Axis.
As shown in Fig. 3 to Fig. 7, the press key pole 11, central contact cylinder 63, key 4 are coaxially disposed.
As shown in Fig. 3 to Fig. 7, the annular seal grooves 62 are located at the lateral surface of the auxiliary sealing member 6, the elasticity
Seal chamber 61 is located at the medial surface of the auxiliary sealing member 6.
The present invention also provides a kind of ammeter, the waterproof constructions of the key including ammeter described in any of the above embodiments.
The waterproof construction and ammeter of a kind of key of ammeter provided by the invention, when the waterproof requirement of key is drenched with rain for IP54
When, rainwater flows into come from the gap of button cap 1 and meter case 2, it flows at sealing ring 3, if key 4 is working,
Rainwater, which continues to flow into, carrys out when rainwater flows at auxiliary sealing member 6, because auxiliary sealing member 6 is by meter case 2 and wiring board 5
Press and reach IP54 waterproof effect, rainwater enters the inside less than ammeter；When the waterproof requirement of ammeter is IP51 or IP52, that
, as long as auxiliary sealing member 6 is removed at this time, while the length of button cap 1 is lengthened by elongated portion 7, can reach requirement,
Realize that structure compatible exchanges, save the cost.
The waterproof construction and ammeter of a kind of key of ammeter provided by the invention, can make the waterproof requirement of key 4 reach
IP54 works as simultaneously so that key 4, which is either drenched with rain in working condition or off working state, can guarantee not intake inside ammeter
When waterproof requirement is not high, currently existing homogeneous structure can be compatible with
The waterproof construction and ammeter of a kind of key of ammeter provided by the invention, have the advantage that
1, higher waterproof requirement IP54 can be reached.
2, when waterproof requirement is not high, in structure can compatible exchange, save the cost.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (8)
1. a kind of waterproof construction of the key of ammeter, it is characterised in that: including the meter case with installation cavity, the ammeter
Wiring board is installed, the wiring board is equipped with key, and the meter case is pacified equipped with key within the installation cavity of shell
Fill hole, button cap be equipped in the key mounting hole, the button cap is connected with press key pole, be cased on the press key pole with it is described
Meter case forms the sealing ring of sealing cooperation, and the wiring board is equipped with the auxiliary sealing member with elastic packing chamber, described
Auxiliary sealing member covers on the key, and the key is located within the elastic packing chamber of the auxiliary sealing member, described auxiliary
Help sealing element and the meter case for sealing cooperation, the press key pole, auxiliary sealing member, key coaxial arrangement, the auxiliary
Sealing element is arranged between the press key pole, key.
2. the waterproof construction of the key of ammeter according to claim 1, it is characterised in that: the key mounting hole is by being closed
Circular passage enclose, the auxiliary sealing member includes the annular seal grooves of closure, described in the insertion of the circular passage
Annular seal grooves form sealing and cooperate, the annular seal grooves of auxiliary sealing member described in the circular passage, route board clamping,
The annular seal grooves are enclosed in the elastic packing chamber surrounding.
3. the waterproof construction of the key of ammeter according to claim 2, it is characterised in that: the auxiliary sealing member, annular
Channel is enclosed sealing boundary, and the button cap, press key pole, sealing ring are except the sealing boundary, and the key is in institute
It states within sealing boundary.
4. the waterproof construction of the key of ammeter according to claim 2, it is characterised in that: during the auxiliary sealing member includes
The heart contacts cylinder and the flexible housing positioned at the central contact cylinder surrounding, and the flexible housing, central contact cylinder enclose
The elastic packing chamber is formed, the annular seal grooves are enclosed in the flexible housing surrounding.
5. the waterproof construction of the key of ammeter according to claim 4, it is characterised in that: the auxiliary sealing member is rotation
Body, rotation axis are the axis of the central contact cylinder.
6. the waterproof construction of the key of ammeter according to claim 4, it is characterised in that: the press key pole, central contact
Cylinder, key coaxial arrangement.
7. the waterproof construction of the key of ammeter according to claim 4, it is characterised in that: the annular seal grooves are located at
The lateral surface of the auxiliary sealing member, the elastic packing chamber are located at the medial surface of the auxiliary sealing member.
8. a kind of ammeter, it is characterised in that: the waterproof knot of the key including the ammeter as described in any one of claims 1 to 7
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279357.0A CN109920674A (en) | 2019-04-09 | 2019-04-09 | The waterproof construction and ammeter of the key of ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910279357.0A CN109920674A (en) | 2019-04-09 | 2019-04-09 | The waterproof construction and ammeter of the key of ammeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109920674A true CN109920674A (en) | 2019-06-21 |
Family
ID=66969021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910279357.0A Pending CN109920674A (en) | 2019-04-09 | 2019-04-09 | The waterproof construction and ammeter of the key of ammeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109920674A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508746A (en) * | 2019-10-28 | 2020-08-07 | 深圳市海洋王照明工程有限公司 | Sealing structure, key module and electronic equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543529A (en) * | 2011-11-09 | 2012-07-04 | 深圳市航天泰瑞捷电子有限公司 | Electric energy meter and key sealing component thereof |
| CN209515506U (en) * | 2019-04-09 | 2019-10-18 | 君凯迪科技(深圳)有限公司 | The waterproof construction and ammeter of the key of ammeter |
-
2019
- 2019-04-09 CN CN201910279357.0A patent/CN109920674A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543529A (en) * | 2011-11-09 | 2012-07-04 | 深圳市航天泰瑞捷电子有限公司 | Electric energy meter and key sealing component thereof |
| CN209515506U (en) * | 2019-04-09 | 2019-10-18 | 君凯迪科技(深圳)有限公司 | The waterproof construction and ammeter of the key of ammeter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508746A (en) * | 2019-10-28 | 2020-08-07 | 深圳市海洋王照明工程有限公司 | Sealing structure, key module and electronic equipment |
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