CN208385276U - A kind of flame-proof switch automatically cut off the power - Google Patents
A kind of flame-proof switch automatically cut off the power Download PDFInfo
- Publication number
- CN208385276U CN208385276U CN201821255061.2U CN201821255061U CN208385276U CN 208385276 U CN208385276 U CN 208385276U CN 201821255061 U CN201821255061 U CN 201821255061U CN 208385276 U CN208385276 U CN 208385276U
- Authority
- CN
- China
- Prior art keywords
- flame
- protective shell
- proof switch
- button
- automatically cut
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to technical field of electric equipment; and disclose a kind of flame-proof switch automatically cut off the power; including protective shell; the inside of protective shell is placed with flame-proof switch; flame-proof switch is fixedly installed with button in the middle part of top; protective shell offers rectangular opening in the middle part of top; the side of rectangular opening offers square groove; the fixed plate with button activity socket is fixedly installed in the middle part of protective shell inner cavity; the sealing rubber pad with button activity socket is fixedly connected at the top of fixed plate, and the surrounding of sealing rubber pad is flexibly connected with the inner wall of protective shell.The flame-proof switch automatically cut off the power; pass through the effect of sealing rubber pad; simultaneously under being used cooperatively of fixed plate and movable plate; keep the airtightness between flame-proof switch and protective shell better; simultaneously under being used cooperatively of pressing plate and spring I; button can be protected, so that whole device is more safe and reliable.
Description
Technical field
The utility model relates to technical field of electric equipment, specially a kind of flame-proof switch automatically cut off the power.
Background technique
Flame-proof switch is to apply in severe more dangerous explosion environment as its name suggests, such as: coal mine
Industry, paint or ink producer, wood-working factory, cement plant, ship business and sewage treatment, require to use flame-proof switch.
In the use process of the flame-proof switch automatically cut off the power, the existing flame-proof switch automatically cut off the power is found
Explosion-proof performance it is not really up to the mark, airtight performance is poor, and explosion is easy to happen in the environment containing flammable explosive gas, existing simultaneously
The flame-proof switch that some is automatically cut off the power does not protect button, and under certain environment, worker accidentally beats flame-proof switch
On or off is closed, and some potential safety problems will be all caused, and certain loss is caused to man power and material.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of flame-proof switch automatically cut off the power, has close
The advantages that closing the protection of functional and button solves the explosion-proof performance of the existing flame-proof switch automatically cut off the power and only
Firmly, airtight performance is poor, and explosion is easy to happen in the environment containing flammable explosive gas, while existing automaticallyying cut off the power
Flame-proof switch button is not protected, under certain environment, worker accidentally turns on or off flame-proof switch, will all make
At some potential safety problems, the problem of certain loss is caused to man power and material.
(2) technical solution
To realize that above-mentioned airtight performance is well provided the following technical solutions with the purpose of button protection, the utility model: one
The flame-proof switch that kind is automatically cut off the power, including protective shell, the inside of the protective shell are placed with flame-proof switch, the Anti-breakage
It closes and is fixedly installed with button in the middle part of top, rectangular opening, the side of the rectangular opening are offered in the middle part of the protective shell top
Square groove is offered, the fixed plate with button activity socket, the fixed plate are fixedly installed in the middle part of the protective shell inner cavity
Top be fixedly connected with the sealing rubber pad with button activity socket, and the inner wall of the surrounding of sealing rubber pad and protective shell is living
Dynamic connection, the top of the sealing rubber pad and the top of movable plate are slidably connected, and the outside of the inside of movable plate and button
Pivot bush unit, the both ends at the top of the movable plate have been respectively fixedly connected with spring I, the other end of two springs I respectively with
The both ends of pressing plate bottom are fixedly connected, and the internal activity of the top of pressing plate and protective shell connects, and the rectangular opening is separate
The side of square groove is hinged with protection cap, rectangular channel is offered in the middle part of the protection cap other side, and the inside of rectangular channel is living
Dynamic to be equipped with cam, the inside fixing sleeve of the cam is connected to connecting shaft, and the connecting shaft runs through and extends to outside protection cap
One end fixing sleeve be connected to knob, the rectangular channel is fixedly connected with spring II far from the side of cam, and spring II is another
End is fixedly connected with connecting plate, and the both ends of the connecting plate are slidably connected with the top and bottom inside rectangular channel respectively, described
The external activity of spring II is socketed with the snap-gauge for running through and extending to outside rectangular channel, one end and connecting plate side of the snap-gauge
Bottom be fixedly connected.
Preferably, the surrounding of the pressing plate is slidably connected with the inner wall of protective shell respectively, and the length value of pressing plate is big
In the length value of rectangular opening.
Preferably, the shape of the sealing rubber pad is rectangular, and the length value of sealing rubber pad and width value are equal to admittedly
The length value and width value of fixed board.
Preferably, the width value of the rectangular opening is greater than the width value of snap-gauge, and the center of rectangular opening and snap-gauge is same
On straight line.
Preferably, the shape of the protective shell is rectangle, and the material of protective shell is polyimides.
Preferably, the maximum length value between the cam and snap-gauge is worth greater than the distance between square groove and connecting shaft.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of flame-proof switch automatically cut off the power, and having following has
Beneficial effect:
1, flame-proof switch automatically cut off the power, by the effect of sealing rubber pad, while in fixed plate and movable plate
Being used cooperatively under, keep the airtightness between flame-proof switch and protective shell better, while in the cooperation of pressing plate and spring I
Under use, button can be protected, so that whole device is more safe and reliable.
2, the flame-proof switch automatically cut off the power makes by the effect of protection cap, while in the cooperation of knob and cam
Under, so that snap-gauge is connected in square groove, pressing plate and button can be protected, be avoided Anti-breakage under fortuitous event
Pass turns on or off, and causes some potential safety problems.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the schematic top plan view of the utility model structural defence lid；
Fig. 3 is the left view schematic diagram of the utility model structure cam.
In figure: 1, protective shell；2, flame-proof switch；3, button；4, rectangular opening；5, square groove；6, fixed plate；7, seal rubber
Pad；8, movable plate；9, spring I；10, pressing plate；11, protection cap；12, rectangular channel；13, cam；14, connecting shaft；15, knob；
16, spring II；17, connecting plate；18, snap-gauge.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3, a kind of flame-proof switch automatically cut off the power, including protective shell 1 are please referred to, the shape of protective shell 1 is length
It is rectangular, and the material of protective shell 1 is polyimides, makes the more hot high temperature of entire protective shell 1, avoids causing to protect because temperature is excessively high
Protective case 1 melts, and improves the explosion prevention function of whole device, the inside of protective shell 1 is placed with flame-proof switch 2,2 top of flame-proof switch
Middle part is fixedly installed with button 3, and rectangular opening 4 is offered in the middle part of 1 top of protective shell, and the width value of rectangular opening 4 is greater than snap-gauge 18
Width value, and the center of rectangular opening 4 and snap-gauge 18 avoids cam 13 that connecting plate 17 is pushed to move downward on same straight line
When, snap-gauge 18 can not stick into rectangular opening 4, can not carry out clamping to protection cap 11, cause accidentally to open flame-proof switch 2 or
Person closes, and causes some unsafe hidden danger to occur, the side of rectangular opening 4 offers square groove 5, the middle part of 1 inner cavity of protective shell
It is fixedly installed with the fixed plate 6 with 3 pivot bush unit of button, the top of fixed plate 6 is fixedly connected with close with 3 pivot bush unit of button
Rubber pad 7 is sealed, the shape of sealing rubber pad 7 is rectangular, and the length value of sealing rubber pad 7 and width value are equal to fixed plate 6
Length value and width value increase the contact of sealing rubber pad 7 with 1 inner wall of protective shell, improve airtightness, while passing through pressing
When pressing plate 10, make mutual extrusion between movable plate 8 and fixed plate 6, sealing rubber pad 7 expands around, the whole device made
Airtightness further strengthen, and the surrounding of sealing rubber pad 7 is flexibly connected with the inner wall of protective shell 1, sealing rubber pad 7
Top and the top of movable plate 8 are slidably connected, and the external activity of the inside of movable plate 8 and button 3 is socketed, 8 top of movable plate
Both ends be respectively fixedly connected with spring I 9, the other end of two springs I 9 respectively with the both ends of 10 bottom of pressing plate are fixed connects
It connects, inner wall of the surrounding of pressing plate 10 respectively with protective shell 1 is slidably connected, and the length value of pressing plate 10 is greater than rectangular opening 4
Length value slides in protective shell 1 when convenient for 10 applied force of pressing plate, while pressing plate 10 being avoided to come out from rectangular opening 4,
Flame-proof switch 2 is opened so that will not at once be depressed button 3 when accidentally touching pressing plate 10, one is played to flame-proof switch 2
A protective effect, and the top of pressing plate 10 is connect with the internal activity of protective shell 1, rectangular opening 4 is cut with scissors far from the side of square groove 5
Be connected to protection cap 11, offer rectangular channel 12 in the middle part of 11 other side of protection cap, and the internal activity of rectangular channel 12 be equipped with it is convex
Wheel 13, maximum length value between cam 13 and snap-gauge 18 are greater than the distance between square groove 5 and connecting shaft 14 value, to left-handed
It pushes snap-gauge 18 to be moved to the left when rotating button 15, is stuck in snap-gauge 18 in square groove 5, protection cap 11 is fixed, together
When button 3 is protected, increase the reliability of whole device, the inside fixing sleeve of cam 13 is connected to connecting shaft 14, connecting shaft
14 run through and one end fixing sleeve extended to outside protection cap 11 is connected to knob 15, and rectangular channel 12 is fixed far from the side of cam 13
Be connected with spring II 16, and the other end of spring II 16 is fixedly connected with connecting plate 17, the both ends of connecting plate 17 respectively with rectangle
Top and bottom inside slot 12 are slidably connected, and the external activity of spring II 16, which is socketed with, to be run through and extend to outside rectangular channel 12
One end of the snap-gauge 18 in portion, snap-gauge 18 is fixedly connected with the bottom of 17 side of connecting plate.
When work, knob 15 is rotated to the right first, under the action of II 16 elastic force of spring, snap-gauge 18 divides with square groove 5
From protection cap 11 being opened, then to 10 applied force of pressing plate, when pressing plate 10 and button 3 contact, be continued to pressing
Button 3 is pressed and opens flame-proof switch 2 by 10 applied force of plate, when needing to close flame-proof switch 2, continues to apply pressing plate 10
Power, button 3, which continues to move downward, closes flame-proof switch 2, finally decontrols the power applied to pressing plate 10, protection cap 11 is covered
On, knob 15 is rotated to the left, cam 13 will push connecting plate 17 and be moved to the left, the snap-gauge 18 at this moment connecting with connecting plate 17
It can be clamped with square groove 5.
In conclusion the flame-proof switch automatically cut off the power, by the effect of sealing rubber pad 7, while in fixed plate 6
Under being used cooperatively of movable plate 8, keep the airtightness between flame-proof switch 2 and protective shell 1 better, while in pressing plate 10
Under being used cooperatively of spring I 9, button 3 can be protected, so that whole device is more safe and reliable；Pass through protection cap
11 effect, while under being used cooperatively of knob 15 and cam 13 can be to pressing so that snap-gauge 18 is connected in square groove 5
Pressing plate 10 and button 3 are protected, and are avoided turning on or off flame-proof switch 2 under fortuitous event, are caused certain peace ring hidden
Suffer from；The explosion-proof performance for solving the existing flame-proof switch 2 automatically cut off the power is not really up to the mark, and airtight performance is poor, is containing
Explosion is easy to happen in the environment of flammable explosive gas, while the existing flame-proof switch 2 automatically cut off the power does not have button
Protection, under certain environment, worker accidentally turns on or off flame-proof switch, will all cause some potential safety problems, right
Man power and material causes the problem of certain loss.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of flame-proof switch automatically cut off the power, including protective shell (1), it is characterised in that: the inside of the protective shell (1)
It is placed with flame-proof switch (2), is fixedly installed with button (3) in the middle part of flame-proof switch (2) top, protective shell (1) top
It is offered in the middle part of end rectangular opening (4), the side of the rectangular opening (4) offers square groove (5), protective shell (1) inner cavity
Middle part be fixedly installed with the fixed plate (6) of button (3) pivot bush unit, be fixedly connected at the top of the fixed plate (6) with
The sealing rubber pad (7) of button (3) pivot bush unit, and the inner wall activity of the surrounding of sealing rubber pad (7) and protective shell (1) connects
It connects, the top of the sealing rubber pad (7) and the top of movable plate (8) are slidably connected, and the inside of movable plate (8) and button
(3) external activity is socketed, and the both ends at the top of the movable plate (8) have been respectively fixedly connected with spring I (9), two springs I
(9) the other end is fixedly connected with the both ends of pressing plate (10) bottom respectively, and the top of pressing plate (10) and protective shell (1)
Internal activity connection, the rectangular opening (4) are hinged with protection cap (11) far from the side of square groove (5), the protection cap (11)
It is offered in the middle part of the other side rectangular channel (12), and the internal activity of rectangular channel (12) is equipped with cam (13), the cam
(13) inside fixing sleeve is connected to connecting shaft (14), and the connecting shaft (14) runs through and extends to the external one end of protection cap (11)
Fixing sleeve is connected to knob (15), and the rectangular channel (12) is fixedly connected with spring II (16), and bullet far from the side of cam (13)
The other end of spring II (16) is fixedly connected with connecting plate (17), and the both ends of the connecting plate (17) are internal with rectangular channel (12) respectively
Top and bottom be slidably connected, the external activity of the spring II (16) is socketed with that run through and extend to rectangular channel (12) external
Snap-gauge (18), one end of the snap-gauge (18) is fixedly connected with the bottom of connecting plate (17) side.
2. a kind of flame-proof switch automatically cut off the power according to claim 1, it is characterised in that: the pressing plate (10)
Inner wall of the surrounding respectively with protective shell (1) be slidably connected, and the length value of pressing plate (10) is greater than the length of rectangular opening (4)
Value.
3. a kind of flame-proof switch automatically cut off the power according to claim 1, it is characterised in that: the sealing rubber pad
(7) shape is rectangular, and the length value of sealing rubber pad (7) and width value are equal to the length value and width value of fixed plate (6).
4. a kind of flame-proof switch automatically cut off the power according to claim 1, it is characterised in that: the rectangular opening (4)
Width value be greater than the width value of snap-gauge (18), and the center of rectangular opening (4) and snap-gauge (18) is on same straight line.
5. a kind of flame-proof switch automatically cut off the power according to claim 1, it is characterised in that: the protective shell (1)
Shape be rectangle, and the material of protective shell (1) be polyimides.
6. a kind of flame-proof switch automatically cut off the power according to claim 1, it is characterised in that: the cam (13) and
Maximum length value between snap-gauge (18) is worth greater than the distance between square groove (5) and connecting shaft (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821255061.2U CN208385276U (en) | 2018-08-06 | 2018-08-06 | A kind of flame-proof switch automatically cut off the power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821255061.2U CN208385276U (en) | 2018-08-06 | 2018-08-06 | A kind of flame-proof switch automatically cut off the power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208385276U true CN208385276U (en) | 2019-01-15 |
Family
ID=64961812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821255061.2U Expired - Fee Related CN208385276U (en) | 2018-08-06 | 2018-08-06 | A kind of flame-proof switch automatically cut off the power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208385276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887794A (en) * | 2019-04-17 | 2019-06-14 | 飞浦防爆电器有限公司 | A kind of moving seesaw-type anti-blast light switch |
-
2018
- 2018-08-06 CN CN201821255061.2U patent/CN208385276U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887794A (en) * | 2019-04-17 | 2019-06-14 | 飞浦防爆电器有限公司 | A kind of moving seesaw-type anti-blast light switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20200806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |