CN213694353U

CN213694353U - Explosion-proof instrument control box

Info

Publication number: CN213694353U
Application number: CN202022281268.0U
Authority: CN
Inventors: 钟斌
Original assignee: Fujian Chengtuo Electrical Equipment Co ltd
Current assignee: Fujian Chengtuo Electrical Equipment Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-07-13
Anticipated expiration: 2030-10-14

Abstract

The utility model discloses an explosion-proof instrument operation box, including explosion-proof box, the case lid and set up the instrument subassembly in explosion-proof box, a side end face that the case lid is close to explosion-proof box is fixed with the sleeve, be equipped with control button on the sleeve, be equipped with the explosion-proof glass who is used for observing the explosion-proof box internal conditions on the case lid, the last drive control button that is provided with of control button is towards keeping away from the gliding reply subassembly of instrument subassembly one side direction, reply subassembly includes the limiting plate, the sleeve is kept away from one side of instrument subassembly and is seted up the spout that supplies the limiting plate to slide, reply subassembly still includes the spring, the one end of spring is fixed in the spout and is close to one side inner wall of instrument subassembly, the spring other end is fixed in a side; the utility model discloses a set up the control button who has the reply function on the case lid, can need not to carry out convenient, safe, reliable operation to instrument parameter under the condition of opening the case lid.

Description

Explosion-proof instrument control box

Technical Field

The utility model relates to an instrument control box specifically is an explosion-proof instrument control box.

Background

The power equipment used in explosive gas environment not only requires reliable explosion-proof safety performance, but also requires reliable explosion-proof safety performance for its control equipment, such as: the device is used for displaying, detecting and controlling the rotating speed of the motor, and the temperature control of the reaction kettle can not leave relevant devices of a digital display instrument and a circuit, and the devices are required to be arranged in a safe and reliable explosion-proof box, so that even the explosion of explosive gas caused by an electric circuit is limited in the explosion-proof box and cannot be diffused to cause serious consequences.

The original explosion-proof instrument operation box consists of a box body, a box cover and explosion-proof window glass on the box cover, and in order to meet the explosion-proof performance, the box body, the box cover and the glass are thick and only can provide the display of an instrument, the parameter setting of the instrument needs to be performed by opening a cover, and the cover can be opened only when the situation that no explosive gas exists in the environment is confirmed, which is extremely inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof instrument control box to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof instrument operation box comprises an explosion-proof box body, a box cover and an instrument assembly arranged in the explosion-proof box body, wherein a sleeve is fixed on one side end face of the box cover close to the explosion-proof box body, a control button used for adjusting instrument parameters is arranged on the sleeve in a sliding manner, explosion-proof glass used for observing the internal condition of the explosion-proof box body is also arranged on the box cover, a return assembly used for driving the control button to slide towards the side far away from the instrument assembly is arranged on the control button, the return assembly comprises a limiting plate fixed on the outer wall of the button, a sliding chute used for the limiting plate to slide is arranged on one side of the sleeve far away from the instrument assembly, the return assembly also comprises a spring, one end of the spring is fixed on the inner wall of one side of the sliding chute close to the instrument assembly, the other end of the spring is, the control button penetrates through one end outside the outer wall of the box cover and is provided with a buffering assembly.

Preferably, the buffer component includes the slide bar, the gliding pole groove of confession slide bar is seted up to the one end that control button kept away from the instrument subassembly, be provided with the restriction slide bar in the pole groove and break away from the second spring in pole groove, the one end of second spring is fixed and is close to one side inner wall of instrument with the pole groove, and the other end of second spring is fixed in the slide bar and is close to a side terminal surface of instrument subassembly, and the buffer component still includes the blotter that sets up in the slide bar and keep away from the one end of instrument subassembly.

Preferably, be connected with first diaphragm between the one side inner wall that explosion-proof box is close to the case lid, the case lid is close to be equipped with the second diaphragm between the one side inner wall of explosion-proof box, the gliding first diaphragm hole of confession control button is seted up at first diaphragm middle part, set up the second diaphragm hole with first diaphragm hole looks coincidence on the second diaphragm.

Preferably, the case cover is located one side of the explosion-proof glass far away from the instrument assembly and is provided with an observation window, and the upper side and the lower side of the observation window are provided with blocking plates used for being abutted to the explosion-proof glass.

Preferably, the case lid outer wall is located control button department has seted up the recess, the recess inner wall is located control button department and is provided with the label.

Compared with the prior art, the beneficial effects of the utility model are that:

the control button with the recovery function is arranged on the box cover, so that the instrument parameters can be conveniently, safely and reliably operated without opening the box cover; the spring and the buffer pad with the buffer function are arranged at one end, needing to be pressed, of the control button, so that even if explosion happens in the explosion-proof box body during operation, injury to an operator can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram illustrating the position of a highlighted tab in the present embodiment;

FIG. 2 is a schematic cross-sectional view of the highlighted control button of the present embodiment;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an explosion-proof box body; 2. a box cover; 3. a meter assembly; 4. a sleeve; 5. a control button; 6. explosion-proof glass; 7. a limiting plate; 8. a chute; 9. a spring; 10. a barrel groove; 11. a slide bar; 12. a rod groove; 13. a second spring; 14. a cushion pad; 15. a first transverse plate; 16. a second transverse plate; 17. a first plate hole; 18. a second plate hole; 19. an observation window; 20. a barrier plate; 21. a label; 22. a groove; 23. a joint; 24. and (5) auxiliary connecting parts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an explosion-proof instrument operation box comprises an explosion-proof box body 1, a box cover 2 and an instrument assembly 3 arranged in the explosion-proof box body 1, wherein a sleeve 4 is fixed on one side end face of the box cover 2 close to the explosion-proof box body 1, a control button 5 used for adjusting instrument parameters is arranged on the sleeve 4 in a sliding manner, explosion-proof glass 6 used for observing the internal condition of the explosion-proof box body 1 is also arranged on the box cover 2, a return assembly for driving the control button 5 to slide towards one side far away from the instrument assembly 3 is arranged on the control button 5, the return assembly comprises a limiting plate 7 fixed on the outer wall of the button, a sliding groove 8 for allowing the limiting plate 7 to slide is arranged on one side of the sleeve 4 far away from the instrument assembly 3, the return assembly also comprises a spring 9, one end of the spring 9 is fixed on the inner wall of one side, one end of the control button 5, which is far away from the instrument assembly 3, penetrates through the outer wall of the box cover 2, and one end of the control button 5, which penetrates through the outer wall of the box cover 2, is provided with a buffer assembly; it should be noted that a barrel groove 10 for the sleeve 4 to be embedded is formed in the box cover 2, the sleeve 4 is arranged on the box cover 2 through interference fit with the barrel groove 10, the control button 5, the limiting plate 7, the spring 9 and the sleeve 4 are combined parts, and the rotating rod is fixed on the second spring 13 through welding in the later period; it should be further noted that the outer wall of the explosion-proof box body 1 is provided with a joint 23, the outer wall of the box cover 2 is provided with an auxiliary joint 24 corresponding to the joint, and the box cover 2 and the explosion-proof box body 1 can be fixed by penetrating the joint 23 and the auxiliary joint 24 through bolts.

Specifically, the buffer assembly includes a sliding rod 11, a rod slot 12 for sliding the sliding rod 11 is formed at one end of the control button 5, which is away from the meter assembly 3, a second spring 13 for limiting the sliding rod 11 to separate from the rod slot 12 is arranged in the rod slot 12, one end of the second spring 13 is fixed on an inner wall of one side of the rod slot 12, which is close to the meter, the other end of the second spring 13 is fixed on an end surface of one side of the sliding rod 11, which is close to the meter assembly 3, the buffer assembly further includes a buffer pad 14 arranged at one end of the sliding rod 11, which is away from the meter assembly 3, it should be noted that the elastic force of, when the control button 5 is pressed, the spring 9 is compressed preferentially, if the control button is exploded during pressing, the second spring 13 is compressed under the condition of explosive force, the rigid impact of the control button 5 on an operator is reduced, and under the setting of the cushion pad 14, the operator can be protected again; it should also be noted that the second spring 13 and the cushion 14 are fixed in the rod groove 12 by welding after the control button 5 is mounted.

Specifically, be connected with first diaphragm 15 between the one side inner wall that explosion-proof box 1 is close to case lid 2, case lid 2 is close to and is equipped with second diaphragm 16 between the one side inner wall of explosion-proof box 1, supply the gliding first diaphragm hole 17 of control button 5 to set up at first diaphragm 15 middle part, set up the second diaphragm hole 18 with first diaphragm hole 17 looks coincidence on the second diaphragm 16, can be close to one side of instrument subassembly 3 to control button 5 through setting up first diaphragm 15 and second diaphragm 16 and protect, avoid longer partial exposing in the space of explosion-proof box 1, can make more stable being pressed down the use of control button 5.

Specifically, the case lid 2 is located explosion-proof glass 6 and has seted up observation window 19 in the one side of keeping away from instrument component 3, and both sides are provided with the baffler 20 that is used for butt explosion-proof glass 6 about observation window 19, and when the explosion takes place in explosion-proof box 1 can be placed to the group baffle, explosion-proof glass 6 directly flies out from observation window 19.

Specifically, 2 outer walls of case lid are located control button 5 and have seted up recess 22, and recess 22 inner wall is located control button 5 and locates to be provided with label 21, sets up the function that each button represented respectively that label 21 can be clear, has increased practicality and convenience.

One specific application example of this embodiment is:

when the device is used and parameters on the instrument assembly 3 need to be adjusted, the box cover 2 does not need to be opened, the control button 5 on the box cover 2 is directly pressed according to the label 21, the limiting plate 7 compresses the spring 9, the control button 5 slides towards one side direction of the instrument assembly 3, and therefore a key on the instrument assembly 3 is pressed; if explosion happens in the explosion-proof box body 1 in the pressing process, the control button 5 and the cushion pad 14 jointly extrude the second spring 13, so that direct rigid impact on an operator caused by the fact that the control button 5 is pushed by the explosive force can be avoided, and the operator is protected to a certain extent.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides an explosion-proof instrument control box, includes explosion-proof box (1), case lid (2) and sets up instrument components (3) in explosion-proof box (1), its characterized in that: a side end face of the box cover (2) close to the explosion-proof box body (1) is fixed with a sleeve (4), the sleeve (4) is provided with a control button (5) for adjusting instrument parameters in a sliding manner, the box cover (2) is also provided with explosion-proof glass (6) for observing the internal condition of the explosion-proof box body (1), the control button (5) is provided with a drive, the control button (5) moves towards a return assembly which is far away from one side of the instrument component (3), the return assembly comprises a limiting plate (7) fixed on the outer wall of the control button (5), one side of the sleeve (4) far away from the instrument component (3) is provided with a sliding chute (8) for sliding the limiting plate (7), the return assembly further comprises a spring (9), one end of the spring (9) is fixed on the inner wall of one side of the sliding chute (8) close to the instrument component (3), and the other end of the spring (9) is fixed on one side, one end of the control button (5), far away from the instrument assembly (3), penetrates through the outer wall of the box cover (2), and one end of the control button (5), penetrating through the outer wall of the box cover (2), is provided with a buffering assembly.

2. The explosion-proof instrument operation box of claim 1, characterized in that: buffer unit includes slide bar (11), the gliding pole groove (12) of confession slide bar (11) is seted up to the one end that instrument subassembly (3) were kept away from in control button (5), be provided with restriction slide bar (11) in pole groove (12) and break away from second spring (13) of pole groove (12), the one end of second spring (13) is fixed in one side inner wall that pole groove (12) are close to instrument subassembly (3), and the other end of second spring (13) is fixed in slide bar (11) and is close to a side end face of instrument subassembly (3), and buffer unit is still including setting up blotter (14) of keeping away from the one end of instrument subassembly (3) in slide bar (11).

3. The explosion-proof instrument operation box of claim 1, characterized in that: explosion-proof box (1) is close to and is connected with first diaphragm (15) between one side inner wall of case lid (2), case lid (2) are close to be equipped with second diaphragm (16) between one side inner wall of explosion-proof box (1), supply gliding first diaphragm hole (17) of control button (5) is seted up at first diaphragm (15) middle part, set up second diaphragm hole (18) with first diaphragm hole (17) coincidence on second diaphragm (16).

4. The explosion-proof instrument operation box of claim 1, characterized in that: and the box cover (2) is positioned on one side, away from the instrument assembly (3), of the explosion-proof glass (6), and an observation window (19) is arranged, and barrier plates (20) used for being abutted to the explosion-proof glass (6) are arranged on the upper side and the lower side of the observation window (19).

5. The explosion-proof instrument operation box of claim 1, characterized in that: a groove (22) is formed in the position, located on the control button (5), of the outer wall of the box cover (2), and a label (21) is arranged on the position, located on the control button (5), of the inner wall of the groove (22).