CN207070514U - Explosion proof instrument control box - Google Patents
Explosion proof instrument control box Download PDFInfo
- Publication number
- CN207070514U CN207070514U CN201720908775.8U CN201720908775U CN207070514U CN 207070514 U CN207070514 U CN 207070514U CN 201720908775 U CN201720908775 U CN 201720908775U CN 207070514 U CN207070514 U CN 207070514U
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- Prior art keywords
- explosion
- proof
- button
- conduction mechanism
- control box
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Abstract
The utility model discloses a kind of explosion proof instrument control box, it includes：The anti-explosion box body of explosion-proof case lid is provided with, instrument is installed in the anti-explosion box body, the explosion-proof case lid is provided with the explosion-proof button conduction mechanism of instrument button set by operation instrument, and the explosion-proof button conduction mechanism includes：Explosion-proof button conduction mechanism sleeve, it is installed in explosion-proof button conduction mechanism mounting hole set by explosion-proof case lid, button touching bar is set in the explosion-proof button conduction mechanism sleeve, the explosion-proof button conduction mechanism mounting hole arrival end is provided with the explosion-proof button conduction mechanism button head that pressing button touches bar by position limiting structure, and back-moving spring is provided between explosion-proof button conduction mechanism button head and explosion-proof button the conduction mechanism sleeve.Explosion proof instrument control box provided by the utility model can directly operate the instrument button in anti-explosion box body by explosion-proof button conduction mechanism, and not influence the explosion-proof performance of explosion-proof tank.
Description
Technical field
The explosion-proof electric apparatus device of explosive gas atmosphere is the utility model is related to, is grasped more particularly, to a kind of explosion proof instrument
Make case.
Background technology
The power-equipment used in explosive gas atmosphere not only itself requires there is reliable anti-explosion safety performance, and it is controlled
Control equipment has also required that reliable anti-explosion safety performance, such as：For showing, detecting, the rotating speed of controlled motor, the temperature of reactor
Degree control all be unable to do without the relevant device of digital displaying meter and circuit, and these equipment are required for being placed in safe and reliable explosion-proof tank
In, even if the explosive gas blast for electric circuit initiation occur is also limited in the explosion-proof tank, comes without spreading apart, cause
Serious consequence.The design and manufacture of this explosion-proof tank follow national standard GB3836.1-2010《Explosive gas atmosphere electrical appliance equipment》
Part 1：Equipment-General Requirement；GB3836.2-2010《Explosive gas atmosphere electrical appliance equipment》Part 2：By every
The equipment of quick-fried shell " d " protection.
Original explosion proof instrument control box, it is made up of the explosion-proof sight glass on casing, case lid and case lid, in order to meet to prevent
Quick-fried performance, casing, case lid, glass are all thicker, can only provide the display of instrument, and the parameter setting of instrument must uncap operation,
And can just be uncapped when there is no explosive gas in environment is confirmed, it is extremely inconvenient.
Utility model content
The purpose of this utility model is exactly to solve the above problems, there is provided a kind of explosion proof instrument control box, it is in not shadow
The instrument in explosion-proof tank can be directly operated while ringing explosion-proof performance.
In order to solve the above technical problems, embodiment of the present utility model provides a kind of explosion proof instrument control box, it is wrapped
Include：The anti-explosion box body of explosion-proof case lid is provided with, instrument is installed in the anti-explosion box body, the explosion-proof case lid is provided with operation instrument
The explosion-proof button conduction mechanism of instrument button set by table, the explosion-proof button conduction mechanism include：Explosion-proof button conduction mechanism set
Cylinder, it is installed in explosion-proof button conduction mechanism mounting hole set by explosion-proof case lid, is set in the explosion-proof button conduction mechanism sleeve
Button touches bar, and the explosion-proof button conduction mechanism mounting hole arrival end touches bar by position limiting structure to be provided with pressing button
Explosion-proof button conduction mechanism button head, between explosion-proof button conduction mechanism button head and explosion-proof button the conduction mechanism sleeve
It is provided with back-moving spring.
Compared with prior art, explosion proof instrument control box provided by the utility model can pass through explosion-proof button conduction mechanism
The instrument button in anti-explosion box body is directly operated, and does not influence the explosion-proof performance of explosion-proof tank.
Further, the explosion-proof button conduction mechanism mounting hole that the explosion-proof case lid is set is convex-shaped hole.
Further, the explosion-proof button conduction mechanism sleeve stretches into the part of explosion-proof button conduction mechanism mounting hole and is provided with
External thread structure, the explosion-proof button conduction mechanism mounting hole are provided with the female thread structure coordinated with external thread structure.
Further, the explosion-proof button conduction mechanism sleeve have construction section in explosion-proof button conduction mechanism mounting hole and
The extension extended in anti-explosion box body inner chamber, side is provided between the construction section and extension and is resisted against in explosion-proof case lid
The ring part of side wall.
Further, the explosion-proof button conduction mechanism sleeve is provided with back-moving spring insertion groove.
Further, the back-moving spring is sheathed on button touching bar.
It is cylinder explosion-insulation surface between the outer wall of inwall and button the touching bar of the explosion-proof button conduction mechanism sleeve,
The double-faced clearance of the cylinder explosion-insulation surface is less than 0.12mm, surface roughness is less than 3.2 μm, and the knot of cylinder explosion-insulation surface
Close length and be more than 20mm.
Further, the inwall of the outer wall of the explosion-proof button conduction mechanism sleeve and explosion-proof button conduction mechanism mounting hole it
Between be explosion-insulation surface, the combination length of the explosion-insulation surface is more than 12mm.
Further, the explosion-insulation surface is threaded flame-proof type faying face, and the pitch of the threaded flame-proof type faying face is more than
0.9mm, less than 2mm.
To sum up, the explosion proof instrument control box from be only able to display meter parameter and realize meter parameter is entered it is accommodating, peace
Entirely, reliable operation.
Brief description of the drawings
Fig. 1 is explosion proof instrument control box schematic diagram；
Fig. 2 is explosion proof instrument control box sectional view；
Fig. 3 is explosion-proof button conduction mechanism schematic diagram in explosion proof instrument control box.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
In conjunction with specific embodiments, the utility model is expanded on further in face.
Embodiment of the present utility model provides a kind of explosion proof instrument control box, and referring to shown in Fig. 1-2, it includes：If
The anti-explosion box body 2 of explosion-proof case lid 1 is equipped with, the explosion-proof case lid is provided with implosion guard 3.Instrument is installed in the anti-explosion box body
T, the explosion-proof case lid 1 are provided with the explosion-proof button conduction mechanism S of instrument button 4 set by operation instrument, explosion-proof button conduction machine
The instrument that structure S can directly be installed outside explosion-proof tank in operation explosion-proof tank, the handling of the explosion-proof tank inside instrument of raising
While, do not interfere with overall security performance.
Referring to Fig. 2, the explosion-proof button conduction mechanism includes：Explosion-proof button conduction mechanism sleeve 5, it is installed on explosion-proof tank
In explosion-proof button conduction mechanism mounting hole set by lid 1, the inner hole wall and outer wall of the explosion-proof button conduction mechanism sleeve 5 are with matching somebody with somebody noose
Be combined with each other between structure and form preferable explosion-proof faying face, and explosion-proof button conduction mechanism sleeve 5 can be fixedly installed in it is anti-
Quick-fried button conduction mechanism mounting hole also or is removably installed in explosion-proof button conduction mechanism mounting hole, and the explosion-proof button passes
To lead and button touching bar is set in mechanism sleeve 5, button touching bar matches with the internal via shape of explosion-proof button conduction mechanism sleeve 5,
Bar is touched for example with the button of circular cross-section, the explosion-proof button conduction mechanism mounting hole arrival end is pacified by position limiting structure
Equipped with pressing button touching bar explosion-proof button conduction mechanism button head 7, the explosion-proof button conduction mechanism button head 7 with it is explosion-proof
Back-moving spring 6, explosion-proof button conduction mechanism button head 7 and explosion-proof button conduction machine are provided between button conduction mechanism sleeve 5
There is pressing gap, after explosion-proof button conduction mechanism button head 7 is pressed, back-moving spring is compressed, now between structure sleeve 5
Button is touched bar and moved towards the direction of instrument button 4, until touching instrument button 4, then external force unclamps explosion-proof button conduction
Mechanism button first 7, now in the presence of back-moving spring, button touching bar resets.Explosion-proof button conduction mechanism button head 7 can be with
Circumferentially disposed pressing stroke spacing ring, so as to avoid explosion-proof button conduction mechanism button head 7 from excessively pressing, explosion-proof button is caused to pass
The problem of mounting stability of mechanism sleeve 5 is deteriorated is led to occur.
From figure 3, it can be seen that the explosion-proof button conduction mechanism mounting hole that the explosion-proof case lid 1 is set is convex-shaped hole,
Now the position limiting structure of explosion-proof button conduction mechanism mounting hole arrival end is then by forming between the different through hole in two apertures
Step-like end face, of course, it is possible to directly set annular barrier structure in explosion-proof button conduction mechanism mounting hole arrival end, equally may be used
To play a part of position limiting structure, the step end face that the present embodiment just make use of two different through holes in aperture to be formed plays
Blocking effect.
Both can be directly to be fixedly mounted because the mounting means of explosion-proof button conduction mechanism sleeve does not do any restriction,
Can also detachably install, in figure 3 by taking detachable install as an example：The explosion-proof button conduction mechanism sleeve stretch into it is explosion-proof by
The part of button conduction mechanism mounting hole is provided with external thread structure, and the explosion-proof button conduction mechanism mounting hole is provided with and outer spiral shell
The female thread structure of line respective outer side edges, explosion-proof button conduction mechanism sleeve then turn into an explosion-proof button conduction mechanism swivel nut, prevent
Quick-fried button conduction mechanism sleeve is mutually installed in place by helicitic texture with explosion-proof button conduction mechanism mounting hole.
It is noted that the explosion-proof button conduction mechanism sleeve has the peace in explosion-proof button conduction mechanism mounting hole
Dress and extends to the extension in anti-explosion box body inner chamber at section, be provided between the construction section and extension side be resisted against it is explosion-proof
The ring part of case lid madial wall.The ring part contacts with each other with explosion-proof case lid madial wall, can both play explosion-proof button conduction machine
Structure sleeve installs spacing effect, can also the face that contacts with each other of the inside be used as explosion-proof contact surface and use.
In addition, referring to Fig. 3, the explosion-proof button conduction mechanism sleeve 5 is provided with back-moving spring insertion groove, and the insertion is recessed
Groove can give back-moving spring bigger compression stroke, and back-moving spring 6 is sheathed on button touching bar, so as to ensure back-moving spring
The controllability of compressed path.And the bottom of explosion-proof button conduction mechanism button head 7 is provided with the ring coordinated with step-like end face
Shape portion, the ring part can be arranged the flexible body coordinated with step-like end face, such as rubber ring, avoid occurring soon in reseting procedure
Speed is hit, moreover it is possible to reduces the noise for resetting and being likely to occur.
It should be noted that it is round between the outer wall of inwall and button the touching bar of the explosion-proof button conduction mechanism sleeve 5
Cylinder explosion-insulation surface D, the double-faced clearance of the cylinder explosion-insulation surface is less than 0.12mm, surface roughness less than 3.2 μm, and cylinder
The combination length of explosion-insulation surface is more than 20mm.And the outer wall of the explosion-proof button conduction mechanism sleeve 5 conducts with explosion-proof button
It is explosion-insulation surface G between the inwall of mechanism mounting hole, the combination length of the explosion-insulation surface is more than 12mm, when explosion-proof button passes
When to lead mechanism sleeve be explosion-proof button conduction mechanism swivel nut, explosion-insulation surface is threaded flame-proof type faying face, and the threaded flame-proof type combines
The pitch in face is more than 0.9mm, less than 2mm.
Explosion-proof tank, which covers, has installed mechanical explosion-proof button conduction mechanism additional, passes through explosion-proof button conduction mechanism button head 7
Down motion make instrument button by an external force, weight and realize the operation to instrument, spring plays a part of reset.
This button conduction mechanism is that explosion-proof principle is：The access road of this button conduction mechanism has two, and one is cylinder
Explosion-insulation surface (D as shown in the figure), another is threaded flame-proof type faying face (G as shown in the figure), so as to reach explosion-proof effect,
I.e.：Exploded in case, spark caused by blast can not go out from this two path leakages, so as to light the fiery gas in the external world
Body, cause significant explosion accident.
By repetition test, calculate and quote corresponding national standard and be authenticated drawing to draw a conclusion：
1. when the double-faced clearance of cylinder explosion-insulation surface is less than 0.12mm, surface roughness is less than 3.2 μm and cylinder flame proof
When the combination length in face is more than 20mm, this passage can play explosion-proof effect,
2. when the pitch of threaded flame-proof type faying face is more than 0.9mm, less than 2mm, and machining accuracy reaches 6H/6g, and
When the combination length of threaded flame-proof type faying face is more than 12mm, this passage can play explosion-proof effect.
Because the explosion-proof button conduction mechanism for having used independent development makes instrument also to carry out parameter modification in explosion-proof tank
And control operation, the electrical control of safe ready is served, improves the performance of explosion proof instrument control box.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific implementation of the present utility model
Example, and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit of the present utility model
And scope.
Claims (9)
1. a kind of explosion proof instrument control box, it includes：The anti-explosion box body of explosion-proof case lid is provided with, is provided with the anti-explosion box body
Instrument, it is characterised in that the explosion-proof case lid is provided with the explosion-proof button conduction mechanism of instrument button set by operation instrument, described
Explosion-proof button conduction mechanism includes：
Explosion-proof button conduction mechanism sleeve, it is installed in explosion-proof button conduction mechanism mounting hole set by explosion-proof case lid, described anti-
Button touching bar is set in quick-fried button conduction mechanism sleeve, the explosion-proof button conduction mechanism mounting hole arrival end passes through position limiting structure
And the explosion-proof button conduction mechanism button head of pressing button touching bar is installed, the explosion-proof button conduction mechanism button head is with preventing
Back-moving spring is provided between quick-fried button conduction mechanism sleeve.
2. explosion proof instrument control box according to claim 1, it is characterised in that the explosion-proof button that the explosion-proof case lid is set
Conduction mechanism mounting hole is convex-shaped hole.
3. explosion proof instrument control box according to claim 1, it is characterised in that the explosion-proof button conduction mechanism sleeve is stretched
The part for entering explosion-proof button conduction mechanism mounting hole is provided with external thread structure, and the explosion-proof button conduction mechanism mounting hole is set
There is the female thread structure coordinated with external thread structure.
4. explosion proof instrument control box according to claim 3, it is characterised in that the explosion-proof button conduction mechanism sleeve tool
Have construction section in explosion-proof button conduction mechanism mounting hole and extend to the extension in anti-explosion box body inner chamber, the construction section with
The ring part that side is resisted against explosion-proof case lid madial wall is provided between extension.
5. explosion proof instrument control box according to claim 1, it is characterised in that the explosion-proof button conduction mechanism sleeve is set
It is equipped with back-moving spring insertion groove.
6. explosion proof instrument control box according to claim 1, it is characterised in that the back-moving spring is sheathed on button touching
Bar.
7. explosion proof instrument control box according to claim 1, it is characterised in that the explosion-proof button conduction mechanism sleeve
It is cylinder explosion-insulation surface between the outer wall of inwall and button touching bar, the double-faced clearance of the cylinder explosion-insulation surface is less than
0.12mm, surface roughness are less than 3.2 μm, and the combination length of cylinder explosion-insulation surface is more than 20mm.
8. the explosion proof instrument control box according to claim 1 or 3, it is characterised in that the explosion-proof button conduction mechanism set
It is explosion-insulation surface between the outer wall of cylinder and the inwall of explosion-proof button conduction mechanism mounting hole, the combination length of the explosion-insulation surface
More than 12mm.
9. explosion proof instrument control box according to claim 8, it is characterised in that the explosion-insulation surface is threaded flame-proof type knot
Conjunction face, the pitch of the threaded flame-proof type faying face are more than 0.9mm, less than 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720908775.8U CN207070514U (en) | 2017-07-25 | 2017-07-25 | Explosion proof instrument control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720908775.8U CN207070514U (en) | 2017-07-25 | 2017-07-25 | Explosion proof instrument control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207070514U true CN207070514U (en) | 2018-03-02 |
Family
ID=61517393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720908775.8U Expired - Fee Related CN207070514U (en) | 2017-07-25 | 2017-07-25 | Explosion proof instrument control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207070514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110366334A (en) * | 2018-03-26 | 2019-10-22 | 江苏爱仕特电子科技有限公司 | A kind of control box with water-proof function |
-
2017
- 2017-07-25 CN CN201720908775.8U patent/CN207070514U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110366334A (en) * | 2018-03-26 | 2019-10-22 | 江苏爱仕特电子科技有限公司 | A kind of control box with water-proof function |
| CN110366334B (en) * | 2018-03-26 | 2020-10-16 | 江苏爱仕特电子科技有限公司 | Control box with waterproof function |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20190725 |