CN212434554U

CN212434554U - Explosion-proof operation window

Info

Publication number: CN212434554U
Application number: CN202021515881.8U
Authority: CN
Inventors: 朱巨云; 李爱香; 朱雷鑫; 董金
Original assignee: Chuangzheng Electric Co ltd
Current assignee: Chuangzheng Electric Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-01-29
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses an explosion-proof operation window in electrical apparatus protection technical field, the on-line screen storage device comprises a base, the window that opens and shuts, base top fixedly connected with glass seal circle, base bottom fixedly connected with bottom seal circle, the mounting hole has been seted up to the window both sides that open and shut, install counter-force spring in the mounting hole, the switching hole has been seted up to the base both sides, the round pin axle has been worn jointly in switching hole and the mounting hole, the window top joint that opens and shuts has the top cap, base antetheca fixedly connected with fixing base, the window inside wall fixedly connected with cooperation seat that opens and shuts, the fixing base passes through positioning bolt with the cooperation seat and is connected, the utility model discloses the size is littleer, need not the outside and is equipped with the handle operation, does not receive the influence of the installation of a receiver arrangement for.

Description

Explosion-proof operation window

Technical Field

The utility model relates to an electrical apparatus protection technical field specifically is an explosion-proof operation window.

Background

The explosion-proof type is that all parts of the equipment which can ignite explosive gas mixture are enclosed in a shell, and the shell can bear the explosive gas mixture which penetrates into the interior of the shell through any joint surface or structural clearance of the shell, so that the explosive gas mixture is exploded in the interior without being damaged, and the ignition of the explosive environment formed by one or more gases or steam outside can not be caused. The explosion-proof equipment is widely applied to the environments with explosive gases in chemical industry, coal, petroleum and the like, and basically an explosion-proof window is arranged in the explosion-proof equipment in order to safely observe and monitor the running condition of the equipment.

The explosion-proof circuit breaker is designed into an explosion-proof standard name of an explosion-proof element, and the identified explosion-proof qualification certificate is an Ex element certificate, so that the product of the specification in the explosion-proof standard can not be used independently and can be used after being protected by an explosion-proof shell. Therefore, the explosion-proof circuit breaker is surrounded by the case, but the circuit breaker is required to be opened and closed after being surrounded by the case. The manner of operation, and the amount of space usage of the circuit breaker within the protective enclosure, designed by the manufacturer at this time will vary. In some commercially available products, the space of an explosion-proof distribution box product is sacrificed, and the explosion-proof distribution box product is designed to be directly operated by rotating a handle, so that the arrangement distance of the product in the distribution box is increased due to the rotation diameter of the handle, the utilization rate of the internal space is reduced, the distribution box with the same specification and size is caused, and the number of internally-mounted circuit breakers is reduced. In addition, after the internal circuit breaker is tripped due to overload or electric leakage in a direct handle operation mode, the force for tripping the innermost circuit breaker is small due to the design structure, the external operating handle is not moved to return together, and the external handle cannot perform clear state indication. In order to solve the above problems, the product is designed: "open observation window".

Based on this, the utility model designs an explosion-proof operation window to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an explosion-proof operation window to solve the problems that the explosion-proof circuit breaker proposed in the background art can be surrounded by the shell, but after being surrounded by the shell, the circuit breaker needs to be opened and closed, the internal arrangement space of the product is increased, the utilization rate of the internal space is reduced, the distribution box with the same specification and size is caused, and the number of the internally installed circuit breakers is reduced; in addition, the direct handle operation mode causes that the force of the innermost circuit breaker tripping is small after the internal circuit breaker trips due to overload or electric leakage, the external operating handle is not moved to return together, and the external handle cannot perform clear state indication.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an explosion-proof operation window, includes the base, the window that opens and shuts, base top fixedly connected with glass seal, base bottom fixedly connected with bottom seal circle, the mounting hole has been seted up to the window both sides that open and shut, install the counter-force spring in the mounting hole, the switching hole has been seted up to the base both sides, the round pin axle has been worn jointly in switching hole and the mounting hole, the joint of window top that opens and shuts has the top cap, base antetheca fixedly connected with fixing base, the window inside wall fixedly connected with cooperation seat that opens and shuts, the fixing base passes through positioning bolt with the cooperation seat and is.

Preferably, threaded holes are formed in the top of the fixing seat and the bottom of the matching seat, and positioning bolts are connected in the threaded holes in an internal thread mode.

Preferably, the top of the opening and closing window is fixedly connected with a safety hook, the installation hook is connected with a safety lock, and the safety hook is positioned right above one of the matching seats.

Preferably, an undercut groove is formed in the middle of the fixing seat, an insertion block is fixedly connected to the bottom of the matching seat, threaded holes are formed in the insertion block and the side wall of the undercut groove, and a positioning bolt is connected to the threaded holes in an internal thread mode.

Preferably, the outer wall of the positioning bolt is sleeved with a synchronizing rod, the inner wall of the synchronizing rod is provided with a guide groove, the end part of the positioning bolt is fixedly connected with a guide plate, and the guide plate is positioned in the guide groove and is in sliding fit with the guide plate.

Preferably, an inside contraction spring is arranged in the synchronizing rod, and two ends of the inside contraction spring are respectively and rotatably connected with a positioning bolt.

Preferably, the top of the safety hook is provided with a protective sleeve, and the protective sleeve is a rubber sleeve.

Preferably, a clamping groove is formed in the top of the base, a clamping plate is fixedly connected to the inner wall of the top cover, a clamping elastic sheet is arranged in the clamping groove, and the clamping plate is clamped with the clamping elastic sheet in a matched mode.

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

the utility model discloses an install on the circuit breaker through the window that opens and shuts that is equipped with, being in accord with explosion-proof standard, under the condition of producing the performance, the size is littleer, combines this product, need not the outside and is equipped with the handle operation, does not receive the device to arrange the installation influence for circuit breaker protecting sheathing's inner space rate of utilization is higher, can clearly observe the operating condition of inside circuit breaker module through the window that opens and shuts, convenient operation.

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 view of the overall front view angle structure of the present invention;

FIG. 2 is a schematic view of the overall explosion structure of the present invention;

FIG. 3 is a schematic view of a partially cut-away structure of the retractable window of the present invention;

FIG. 4 is a schematic view of the structure of the synchronization rod of the present invention;

fig. 5 is a schematic view of the installation and use structure of the present invention.

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

1-base, 2-opening and closing window, 3-glass sealing ring, 4-bottom sealing ring, 5-mounting hole, 6-counterforce spring, 7-switching hole, 8-pin shaft, 9-top cover, 10-fixing seat, 11-matching seat, 12-positioning bolt, 13-threaded hole, 14-safety hook, 15-insertion block, 16-synchronizing rod, 17-guide groove, 18-guide plate, 19-adduction spring, 20-protective sleeve, 21-clamping elastic sheet and 22-safety lock.

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. 1-5, the present invention provides a technical solution:

the utility model provides an explosion-proof operation window, the on-line screen storage device comprises a base 1, the window 2 opens and shuts, 1 top fixedly connected with glass seal ring 3 of base, 1 bottom fixedly connected with bottom seal circle 4 of base, mounting hole 5 has been seted up to 2 both sides of window that opens and shuts, install counter-force spring 6 in the mounting hole 5, switching hole 7 has been seted up to 1 both sides of base, round pin axle 8 has been worn jointly in switching hole 7 and the

mounting hole

5, 2 top joints of window that opens and shuts have

top cap

9, 1 antetheca fixedly connected with fixing base 10 of base, 2 inside wall fixedly connected with cooperation seats 11 of window that opens and shuts, fixing base 10.

Wherein, threaded hole 13 has all been seted up to fixing base 10 top and cooperation seat 11 bottom, and threaded hole 13 female connection has positioning bolt 12. The top of the opening and closing window 2 is fixedly connected with a safety hook 14, the mounting hook is connected with a safety lock 22, and the safety hook 14 is positioned right above one of the matching seats 11.

Wherein, sunken groove has been seted up in the middle of the fixing base 10, and cooperation seat 11 bottom fixedly connected with grafting piece 15, and grafting piece 15 all has seted up the screw hole with sunken groove lateral wall, and threaded hole female connection has positioning bolt 12. The outer wall of the positioning bolt 12 is sleeved with a synchronizing rod 16, the inner wall of the synchronizing rod 16 is provided with a guide groove 17, the end part of the positioning bolt 12 is fixedly connected with a guide plate 18, and the guide plate 18 is positioned in the guide groove 17 and is in sliding fit with the guide groove. An inward-closing spring 19 is arranged in the synchronizing rod 16, and two ends of the inward-closing spring 19 are respectively and rotatably connected with the positioning bolts 12.

Wherein, the top of the safety hook 14 is provided with a protective sleeve 20, and the protective sleeve 20 is a rubber sleeve. The joint groove has been seted up at base 1 top, and 9 inner walls of top cap fixedly connected with joint plate are equipped with centre gripping shell fragment 21 in the joint groove, joint plate and centre gripping shell fragment 21 cooperation joint.

One specific application of this embodiment is: the utility model discloses a with base 1 fixed mounting on the antetheca of circuit breaker, guarantee through bottom seal circle 4 with the sealing of bottom structure, the glass-sealed circle 3 that is equipped with through the top guarantees the window 2 that opens and shuts when closed and base 1's is sealed.

Example 1:

as shown in fig. 1-3, adopt the positioning mode of vertical positioning bolt 12, during the use, through upwards unscrewing positioning bolt 12, break away from bottom cooperation seat 11, will open and shut window 2 under the reaction spring 6 effect of round pin axle 8 outer wall, convenient maintenance, through with the safety lock 22 padlock on safety hook 14 during maintenance, block the screw hole of its below, just can not unscrew positioning bolt 12, prevent that other people from opening during maintenance, and cover on safety hook 14 through the protective sheath 20 that is furnished with, support safety lock 22, it can not rock, it also avoids taking place to rub etc. with the circuit breaker to protect window 2 that opens and shuts.

Example 2:

as shown in fig. 4, adopt the positioning bolt 12 that the synchronizing bar 16 connects, during the use, directly rotate synchronizing bar 16, the positioning bolt 12 that drives both ends through the effect of its inside guide way 17 and deflector 18 rotates, and then break away from plug block 15, cooperation seat 11 can break away from fixing base 10 under the reaction spring effect this moment, and then open and shut window 2, convenient maintenance, positioning bolt 12 still is located synchronizing bar 16 this moment, can not shift up along with opening and shutting cover 2, therefore be difficult for losing, and need not the instrument, it is more convenient to overhaul.

The utility model discloses a window 2 that opens and shuts that is equipped with installs on the circuit breaker, accords with explosion-proof standard, under the condition of producing the performance, the size is littleer, combines this product, need not the outside and is equipped with the handle operation, does not receive the influence of a device arrangement installation for circuit breaker protecting sheathing's inner space rate of utilization is higher, can clearly observe the operating condition of inside circuit breaker module through the window that opens and shuts, convenient operation.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An explosion-proof operating window which is characterized in that: including base (1), window (2) opens and shuts, base (1) top fixedly connected with glass seal circle (3), base (1) bottom fixedly connected with bottom seal circle (4), mounting hole (5) have been seted up to window (2) both sides that open and shut, install counter-force spring (6) in mounting hole (5), cross-over hole (7) have been seted up to base (1) both sides, round pin axle (8) have been worn jointly in cross-over hole (7) and mounting hole (5), window (2) top joint that opens and shuts has top cap (9), base (1) antetheca fixedly connected with fixing base (10), window (2) inside wall fixedly connected with cooperation seat (11) opens and shuts, fixing base (10) are connected through positioning bolt (12) with cooperation seat (11).

2. An explosion proof operator window according to claim 1, wherein: threaded holes (13) are formed in the top of the fixing seat (10) and the bottom of the matching seat (11), and positioning bolts (12) are connected to the threaded holes (13) in an internal thread mode.

3. An explosion proof operator window according to claim 1, wherein: the top of the opening and closing window (2) is fixedly connected with a safety hook (14), the safety hook (14) is connected with a safety lock (22), and the safety hook (14) is located right above one of the matching seats (11).

4. An explosion proof operator window according to claim 1, wherein: the fixing seat is characterized in that an undercut groove is formed in the middle of the fixing seat (10), an inserting block (15) is fixedly connected to the bottom of the matching seat (11), threaded holes are formed in the inserting block (15) and the side wall of the undercut groove, and a positioning bolt (12) is connected to the threaded holes in an internal thread mode.

5. An explosion proof operational window according to claim 4, wherein: the outer wall of the positioning bolt (12) is sleeved with a synchronizing rod (16), the inner wall of the synchronizing rod (16) is provided with a guide groove (17), the end part of the positioning bolt (12) is fixedly connected with a guide plate (18), and the guide plate (18) is located in the guide groove (17) and is in sliding fit with the guide groove.

6. An explosion proof operator window according to claim 5, wherein: an inward-closing spring (19) is arranged in the synchronizing rod (16), and two ends of the inward-closing spring (19) are respectively and rotatably connected with a positioning bolt (12).

7. An explosion proof operator window according to claim 3, wherein: the top of the safety hook (14) is provided with a protective sleeve (20), and the protective sleeve (20) is a rubber sleeve.

8. An explosion proof operator window according to claim 1, wherein: the clamping groove is formed in the top of the base (1), the clamping plate is fixedly connected to the inner wall of the top cover (9), the clamping elastic piece (21) is arranged in the clamping groove, and the clamping plate is clamped with the clamping elastic piece (21) in a matched mode.