CN217719407U - Explosion-proof light switch and explosion-proof control box - Google Patents

Abstract

The utility model provides an explosion-proof light switch and explosion-proof control box belongs to explosion-proof fork truck technical field, including casing and main shaft assembly, main shaft assembly's one end set up in the explosion-proof control box and be connected with switch module, wherein, main shaft assembly at the horizontal direction the projection with switch module has overlap region in the projection of horizontal direction, be provided with in the overlap region and be located main shaft assembly's first end and adjustable connection in second tip on the first end, through the first end with the adjustable connection control of second tip switch module's motion stroke. The utility model discloses a set up main shaft assembly and the switch module of adjustable connection, can adjust the relative position of second end and first end before the assembly prerequisite, and then the relative position of control switch axle and internal contact, guarantee that switch module's motion is accurate reliable, the high efficiency of work is stable, applicable various types of switch module, extensive applicability.

Description

Explosion-proof light switch and explosion-proof control box

Technical Field

The utility model belongs to the technical field of explosion-proof fork truck, especially, relate to an explosion-proof light switch and explosion-proof control box.

Background

Along with the development of the logistics industry, the application of the forklift is more and more common, the forklift can realize various actions such as vehicle walking, turning, gantry lifting, forward moving, inclining, side moving and the like through the organic combination of hydraulic pressure, electricity and machinery, and the safety and the high efficiency of goods loading and unloading are ensured. But current fork truck's switch module easily receives the processing technology influence to lead to the motion stroke unstable, and then leads to being accurate inadequately to fork truck's control, influences fork truck work efficiency, and many direct mount of current fork truck's switch module are in fork truck's the control room, and explosion-proof grade is low, leads to fork truck's application to have received very big restriction, is unfavorable for special environment down fork truck's using widely, consequently, continues an explosion-proof light switch and explosion-proof control box that the operation is accurate and explosion-proof grade is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided an explosion-proof light switch and explosion-proof control box that the operation is accurate and explosion-proof level is high.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an explosion-proof light switch installs on explosion-proof control box, includes: casing and main shaft assembly, be equipped with the confession in the casing the cavity of main shaft assembly motion, main shaft assembly's one end set up in the explosion-proof control box and be connected with switch module, wherein, main shaft assembly in the horizontal direction the projection with switch module has the overlap region in the projection of horizontal direction, be provided with in the overlap region be located main shaft assembly's first end and adjustable connect in second tip on the first end, the second end set up in switch module's one end and edge switch module's stroke direction of motion is moved, through first end with the adjustable connection control of second tip the motion stroke of switch module.

In the above explosion-proof light switch, the second end portion is connected to an adjusting structure near the first end portion, wherein the first end portion is nested on the second end portion, and the adjusting structure controls a relative distance between the first end portion and the second end portion.

In the above explosion-proof light switch, the adjusting structure includes an adjusting portion connected to the second end portion and a locking portion connected to the first end portion, the adjusting portion adjusts a relative distance between the first end portion and the second end portion, and the locking portion locks a relative position between the first end portion and the second end portion.

In an explosion-proof light switch of the aforesaid, adjust the structure and be the setting of cylinder structure, just the through-hole has been seted up in the cylinder structure, through the through-hole nestification in on the second tip.

In the explosion-proof light switch, the adjusting part is arranged on the circumferential surface of the through hole, and the locking part is arranged at the end part of the cylindrical structure.

In foretell an explosion-proof light switch, first end department is provided with first joint structure, second end department be provided with the second joint structure that first joint structure is connected, be equipped with the confession in the first joint structure the joint groove of second joint structure joint, wherein, the joint groove is the setting of semi-open formula, second joint structure is followed the joint groove with first joint structure is connected and is passed through adjust structure automatic locking.

In foretell an explosion-proof light switch, first joint structure is type discoid structure, the joint groove includes the edge first joint groove that first joint structure circumferencial direction set up and edge the second joint groove that first joint structure tip set up, just first joint groove with the second joint groove is linked together.

In the above-mentioned explosion-proof light switch, the radial dimension of adjusting the structure is less than the length direction size in first joint groove just is greater than the width direction size in second joint groove.

In an explosion-proof light switch of the aforesaid, be provided with spacing subassembly in the casing, spacing subassembly is including being located first spacing portion on the main shaft assembly with set up in spacing portion of second on the casing.

The utility model also provides an explosion-proof control box, include: the explosion-proof light switch is arranged on the explosion-proof control box, and an explosion-proof surface is arranged between the explosion-proof light switch and the explosion-proof control box.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model provides a pair of explosion-proof light switch through main shaft assembly and the switch module that sets up adjustable connection, can adjust the relative position of second end and first end before the assembly prerequisite, and then the relative position of control switch axle and internal contact, has adjusted switch module's motion stroke promptly, guarantees that switch module's motion is accurate reliable, and the high efficiency of operation is stable, applicable various types of switch module, extensive applicability.

2. There is overlap area through the projection that sets up main shaft assembly at the horizontal direction and the projection of switch module at the horizontal direction, and there is overlap area main shaft assembly and switch module mounted position on the horizontal direction promptly, under the prerequisite of guaranteeing switch module motion stroke for explosion-proof light switch's overall dimension is little, and compact structure is reasonable, is suitable for to install in most explosion-proof control box, and the suitability is wide, and the practicality is high.

3. The relative position of the adjusting structure and the second end part is adjusted through the adjusting part, the relative position of the first end part and the second end part is adjusted, the relative position of the second end part and the internal contact of the switch assembly can be fixed after the locking part locks the relative position of the locking part, the relative position of the switch shaft and the internal contact on the switch assembly is adjusted, the accuracy of the relative position of the switch shaft and the internal contact is ensured, the accurate reliability of the movement process of the switch assembly is ensured, and different switches can be opened by the switch assembly according to the requirements of users under the action of the tension of the main shaft assembly.

4. Through setting up first joint groove and second joint groove for the integrated configuration of adjusting structure and second joint structure can smoothly carry out the joint along first joint groove and first joint structure, and the joint is on the second joint groove, guarantees the stability of first joint structure and second joint structure relative position.

5. Through setting up spacing subassembly to set up floating structure on spacing subassembly, make at the in-process of main shaft subassembly pulling, main shaft subassembly can with the casing inside carry out progressively joint, and make floating structure joint step by step in first spacing portion, even make the switch shaft can contact with a plurality of internal contact step by step, realize the switch action step by step, and the accurate high efficiency of switch action, it is stable orderly.

Drawings

Fig. 1 is a schematic view of an overall structure of a first embodiment of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram according to a first embodiment of the present invention.

Fig. 3 is a schematic partial enlarged view a according to a first embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a spindle assembly according to a first embodiment of the present invention.

Fig. 5 is a schematic view of an adjusting structure according to the first embodiment of the present invention.

Fig. 6 is a schematic view of another view angle of the adjustment structure according to the first embodiment of the present invention.

Fig. 7 is a schematic partial enlarged view B according to a first embodiment of the present invention.

Fig. 8 is a schematic structural view of an end cover according to a first embodiment of the present invention.

Fig. 9 is an internal schematic view of a switch assembly according to a first embodiment of the present invention.

Fig. 10 is a schematic view of the overall structure of the second embodiment of the present invention.

Fig. 11 is a partial internal schematic view of a second embodiment of the present invention.

In the figure, 100, an explosion-proof light switch; 200. a housing; 210. a cavity; 220. a second limiting part; 221. a first groove; 222. a convex portion; 223. an elastic member; 300. a spindle assembly; 310. a first end portion; 320. a first clamping structure; 330. a clamping groove; 331. a first clamping groove; 332. a second clamping groove; 340. a first limiting part; 350. a main shaft; 351. a first explosion-proof surface; 352. a second flameproof surface; 360. a guide sleeve; 370. a seal ring; 380. an end cap; 381. mounting grooves; 382. mounting holes; 390. a switch handle; 400. a switch assembly; 410. a second end portion; 420. a second clamping structure; 430. a switch shaft; 440. a connecting nut; 450. an adjustment structure; 451. an adjustment section; 452. a locking portion; 453. a through hole; 460. an internal contact; 500. an explosion-proof control box; 510. and a third explosion-proof surface.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Example one

As shown in fig. 1 to 9, the utility model provides an explosion-proof light switch 100, which is installed on an explosion-proof control box 500, comprising:

the explosion-proof control box comprises a shell 200 and a main shaft assembly 300, wherein a cavity 210 for the main shaft assembly 300 to move is arranged in the shell 200, one end of the main shaft assembly 300 is arranged in the explosion-proof control box 500 and is connected with a switch assembly 400, an overlapping region exists between the projection of the main shaft assembly 300 in the horizontal direction and the projection of the switch assembly 400 in the horizontal direction, a first end portion 310 of the main shaft assembly 300 and a second end portion 410 adjustably connected to the first end portion 310 are arranged in the overlapping region, the second end portion 410 is arranged at one end of the switch assembly 400 and moves along the stroke moving direction of the switch assembly 400, and the movement stroke of the switch assembly 400 is controlled by the adjustable connection of the first end portion 310 and the second end portion 410.

In this embodiment, the explosion-proof light switch 100 includes a housing 200 and a main shaft assembly 300 moving along the inside of the housing 200, the opening and closing of the switch assembly 400 is controlled by the connection between the main shaft assembly 300 and the switch assembly 400, and the switch assembly 400 is disposed in the explosion-proof control box 500, so that the switching action of the whole explosion-proof light switch 100 is completed in the explosion-proof control box 500, the sealing performance is good, the explosion-proof performance is high, and the main shaft assembly 300 and the switch assembly 400 are adjustably connected, the relative distance between the main shaft assembly 300 and the switch assembly 400 is controlled by the adjustable connection, and further the movement stroke of the switch assembly 400 is adjusted, specifically, the opening and closing of the switch assembly 400 is controlled by the main shaft assembly 300, and the switch assembly 400 is mostly contacted with different internal contacts 460 by the movement of the switch shaft 430 in the switch assembly 400, and then turn on different switches, and the relative position of switch shaft 430 and internal contact 460 is influenced by processing technology easily and appears the deviation, lead to switch shaft 430 and internal contact 460 not in place to contact, can't normally open the switch, and the explosion-proof light switch 100 that provides in this embodiment, first end 310 sets up on main shaft assembly 300, second end 410 sets up on the switch shaft 430 of switch module 400, through main shaft assembly 300 and the switch module 400 that set up adjustable connection, before the assembly, the relative position of second end 410 and first end 310 has been adjusted well in advance, and then the relative position of control switch shaft 430 and internal contact 460, adjust the motion stroke of switch module 400 promptly, guarantee the accurate reliable of motion of switch module 400, work is high-efficient stable, applicable various types of switch module 400, and wide applicability. In addition, the projection of the main shaft assembly 300 in the horizontal direction and the projection of the switch assembly 400 in the horizontal direction have an overlapping region, that is, the overlapping region exists at the installation position of the main shaft assembly 300 and the switch assembly 400 in the horizontal direction, on the premise of ensuring the movement stroke of the switch assembly 400, the whole size of the explosion-proof lamplight switch 100 is small, the structure is compact and reasonable, the explosion-proof lamplight switch is suitable for being installed in most explosion-proof control boxes 500, the adaptability is wide, and the practicability is high.

Preferably, as shown in fig. 1 to 9, an adjusting structure 450 is connected to the second end portion 410 near the first end portion 310, wherein the first end portion 310 is nested on the second end portion 410, and the relative distance between the first end portion 310 and the second end portion 410 is controlled by the adjusting structure 450.

It is further preferable that the adjusting structure 450 includes an adjusting portion 451 connected to the second end portion 410 and a locking portion 452 connected to the first end portion 310, a relative distance between the first end portion 310 and the second end portion 410 is adjusted by the adjusting portion 451, and a relative position between the first end portion 310 and the second end portion 410 is locked by the locking portion 452.

In this embodiment, the spindle assembly 300 and the switch assembly 400 are connected in a nested manner, the first end portion 310 is nested on the second end portion 410, the second end portion 410 is connected with the adjusting structure 450, and is nested in the first end portion 310 after the adjusting structure 450 is connected, and the relative distance between the first end portion 310 and the second end portion 410 is controlled by the adjusting structure 450, specifically, the adjusting structure 450 includes an adjusting portion 451 and a locking portion 452, the adjusting portion 451 is used for adjusting the relative position between the adjusting structure 450 and the second end portion 410, and further adjusting the relative position between the first end portion 310 and the second end portion 410, and after the locking portion 452 locks the relative position, the relative position between the second end portion 410 and the internal contact 460 of the switch assembly 400 can be fixed, that is, the relative position between the switch shaft 430 and the internal contact 460 on the switch assembly 400 is adjusted, the accuracy of the relative position between the switch shaft 430 and the internal contact 460 is ensured, that is, and the precision and reliability of the movement process of the switch assembly 400 is ensured, so that the switch assembly 400 can open different switches according to requirements of a user under the action of the spindle assembly 300.

Preferably, as shown in fig. 1 to 9, the adjusting structure 450 is a cylindrical structure, and a through hole 453 is formed in the cylindrical structure, and the through hole 453 is nested on the second end 410.

Further preferably, the adjusting portion 451 is provided at a circumferential surface of the through hole 453, and the locking portion 452 is provided at an end of the cylindrical structure.

Further preferably, a first clamping structure 320 is disposed at the first end 310, a second clamping structure 420 connected to the first clamping structure 320 is disposed at the second end 410, and the through hole 453 and the second clamping structure 420 are in threaded connection.

In this embodiment, the adjusting structure 450 is in threaded connection with the second clamping structure 420 through the through hole 453, specifically, before assembly, the adjusting structure 450 is assembled on the second clamping structure 420, and the adjusting structure 450 is screwed on the second clamping structure 420 through the threads of the through hole 453, so as to adjust the relative distance between the adjusting structure 450 and the second clamping structure 420, where the second clamping structure 420 is the end of the switch shaft 430, in a working process, a contact on the switch shaft 430 is in contact with a contact 460 inside the switch assembly 400, so as to control the switch to be turned on, after the relative distance between the adjusting structure 450 and the second clamping structure 420 is adjusted, the adjusting structure is integrally installed in the first clamping structure 320, and the relative positions between the first clamping structure 320 and the second clamping structure 420 can be locked under the action of the locking portion 452, so as to control the relative positions between the switch shaft 430 and the contact 460 inside the switch assembly 400, so as to ensure that the contact on the switch shaft 430 is adapted to the contact 460 inside the switch assembly 400, and ensure precise and stable switching action.

Preferably, as shown in fig. 1 to 9, a clamping groove 330 for clamping the second clamping structure 420 is provided in the first clamping structure 320, wherein the clamping groove 330 is provided in a semi-open manner, and the second clamping structure 420 is connected to the first clamping structure 320 along the clamping groove 330 and is automatically locked by the adjusting structure 450.

Further preferably, the first clamping structure 320 is a disc-like structure, the clamping groove 330 includes a first clamping groove 331 disposed along a circumferential direction of the first clamping structure 320 and a second clamping groove 332 disposed along an end of the first clamping structure 320, and the first clamping groove 331 is communicated with the second clamping groove 332.

Further preferably, the radial dimension of the adjusting structure 450 is smaller than the length dimension of the first catching groove 331 and larger than the width dimension of the second catching groove 332.

In this embodiment, the second clamping structure 420 is connected to the inside of the first clamping structure 320 in a nested manner through the clamping groove 330, the clamping groove 330 includes a first clamping groove 331 and a second clamping groove 332 which are communicated with each other, the first clamping groove 331 and the second clamping groove 332 are connected to form a T-shaped clamping groove 330, the first clamping groove 331 is formed along the circumferential direction of the first clamping structure 320, the second clamping groove 332 is formed along the end portion of the first clamping structure 320, during assembly, the adjusting structure 450 and the second clamping structure 420 are pre-connected, and then are integrally clamped with the first clamping structure 320 along the first clamping groove 331, and the relative positions of the first clamping structure 320 and the second clamping structure 420 are fixed under the effect of the locking portion 452, meanwhile, the radial dimension of the adjusting structure 450 is set to be smaller than the length direction dimension of the first clamping groove 331 and larger than the width direction dimension of the second clamping groove 332, so that the combined structure of the adjusting structure 450 and the second clamping structure 420 can smoothly clamp the first clamping structure 331 and the first clamping structure 320 along the first clamping groove 331 and the second clamping structure 420, and ensure the stability of the second clamping structure 320.

Preferably, as shown in fig. 1 to 9, a position-limiting assembly is disposed in the housing 200, and the position-limiting assembly includes a first position-limiting portion 340 located on the spindle assembly 300 and a second position-limiting portion 220 located on the housing 200.

Further preferably, the first limiting portion 340 is provided in plurality.

Further preferably, a first groove 221 is concavely formed at the second limiting portion 220, a floating structure is arranged in the first groove 221, the floating structure includes a convex portion 222 and an elastic member 223, and two ends of the elastic member 223 respectively abut against the convex portion 222 and the first groove 221.

In this embodiment, be provided with in the explosion-proof light switch 100 and be used for the spacing subassembly of control switch subassembly 400, it is specific, switch subassembly 400 is external to have a load, can be the lamp, also can be other loads that need the switch to open, switch subassembly 400 includes switch shaft 430 and internal contact 460, internal contact 460 is provided with a plurality ofly according to actual demand, also be provided with the contact on the switch shaft 430, when pulling switch shaft 430, progressively contact with different internal contact 460 through switch shaft 430, and then different switches are opened step by step to control switch subassembly 400, take fork truck light as an example, the internal contact 460 of switch subassembly 400 has set gradually threely, correspond control low beam respectively, distance beam and low beam and distance beam, in operation, pull switch shaft 430 through main shaft subassembly 300, drive switch shaft 430 and each internal contact 460 contact, and spacing by the spacing subassembly after the contact targets in place, be fixed in this contact position, guarantee the stability that light opened. Spacing subassembly is through setting up floating structure, makes at the in-process of main shaft subassembly 300 pulling, main shaft subassembly 300 can progressively joint with casing 200 is inside, and makes floating structure joint on first spacing portion 340 step by step, and convex part 222 is preferred spherical structure, first spacing portion 340 preferably with the concave part of convex part 222 looks adaptation, the setting up of spacing subassembly make switch shaft 430 can contact with a plurality of internal contact 460 step by step, realize the switch action step by step, and the accurate high efficiency of switch action, and is stable orderly.

Preferably, as shown in fig. 1 to 9, the spindle assembly 300 includes a spindle 350, a guide sleeve 360 is nested on the spindle 350, and the guide sleeve 360 is disposed between the spindle 350 and the housing 200.

Further preferably, the guide sleeve 360 is clamped and sealed with the housing 200, and a sealing ring 370 sleeved on the main shaft 350 is arranged in the guide sleeve 360.

Further preferably, a first explosion-proof surface 351 is arranged at a connection surface between the guide sleeve 360 and the main shaft 350, and a second explosion-proof surface 352 is arranged at a connection surface between the guide sleeve 360 and the housing 350.

In this embodiment, uide bushing 360 nests on main shaft 350 and is sealed with casing 200 joint, still carry out relatively fixed through sealing washer 370 and main shaft 350 simultaneously, it is specific, when main shaft assembly 300 pulling switch subassembly 400, uide bushing 360 links with main shaft 350, under uide bushing 360's effect, main shaft 350 can carry out steady motion along casing 200's axial direction, avoid leading to the switch to open the failure because of the direction of motion deviation, simultaneously, first explosion proof face 351, second explosion proof face 352 and sealing washer 370's setting has promoted holistic explosion-proof performance greatly, even electric spark or explosion phenomenon appear in switch subassembly 400 inside, also can block the spark overflow under explosion proof face and sealing washer 370's effect, guarantee whole explosion-proof performance of explosion-proof light switch 100.

Preferably, as shown in fig. 1 to 9, a connecting nut 440 is further disposed on the switch assembly 400 near the second clamping structure 420, an end cover 380 is nested on the housing 200 near the connecting nut 440, a mounting groove 381 is disposed on one side of the end cover 380, and a mounting hole 382 is disposed on the other side of the end cover 380.

In this embodiment, an end cap 380 is nested at a connection position of the housing 200 and the switch assembly 400, two sides of the end cap 380 are respectively provided with a mounting groove 381 and a mounting hole 382, when the switch assembly is installed, after the first clamping structure 320 and the second clamping structure 420 are connected, the connection nut 440 is screwed, preferably, a gasket is further connected to one side of the connection nut 440 close to the end cap 380, then the end cap 380 is inserted onto the switch shaft 430 along the mounting groove 381 and clamped with the housing 200, after the clamping with the housing 200 is completed, the connection screw is installed in the mounting hole 382, and the position of the end cap 380 and the housing 200 is locked, so that the installation is completed. The arrangement of the end cover 380 enables the whole explosion-proof light switch 100 to be conveniently and quickly installed, convenient to disassemble and assemble and simple to operate, and the overall practicability and the disassembling and assembling efficiency are greatly improved.

Further preferably, one end of the main shaft 350, which is located outside the explosion-proof control box 500, is further connected with a switch handle 390, the main shaft 350 is driven by the switch handle 390 to pull the switch assembly 400, so as to control the switch assembly 400 to be opened step by step, specifically, when a first stop switch needs to be opened, the main shaft is pulled by the switch handle 390, so that the switch shaft 430 is in contact with the first position of the internal contact 460 of the switch assembly 400, the position of the switch handle 390 is fixed by the limit assembly, and when a second stop switch needs to be opened, the two lower opening Guan La hands 390 are pulled, and so on. The switch handle 390 is arranged to facilitate the opening of the switch, and can be controlled by only easily pulling, so that the operation is simple and quick.

The utility model provides a pair of explosion-proof light switch 100's assembly process specifically does: firstly, the main shaft assembly 300 is inserted into the housing 200, then the adjusting structure 450 is installed on the second clamping structure 420, the relative position between the adjusting structure 450 and the second clamping structure 420 is preset, then the combined structure is clamped and assembled with the first clamping structure 320 along the first clamping groove 331, the movement stroke of the switch assembly 400 is debugged, if the switch shaft 430 does not correspond to the internal contact 460 of the switch assembly 400, the relative position between the adjusting structure 450 and the second clamping structure 420 is continuously adjusted until the switch shaft 430 corresponds to the internal contact 460 of the switch assembly 400, the debugging process is convenient and rapid, after the debugging is completed, the connecting nut 440 is screwed, then the end cover 380 is fastened on the housing 200, and the connecting screw is installed to lock the explosion-proof lamplight switch 100. The whole assembly process is simple and quick, the debugging is convenient and quick, the switch assembly 400 runs stably and efficiently, and the structure is compact and reasonable.

Example two

As shown in fig. 10 to fig. 11, the utility model also provides an explosion-proof control box 500, including embodiment one explosion-proof light switch 100, wherein, explosion-proof light switch 100 install in on the explosion-proof control box 500, and with be provided with third explosion-proof face 510 between the explosion-proof control box 500.

In this embodiment, explosion-proof light switch 100 is installed on explosion-proof control box 500, through setting up switch module 400 in explosion-proof control box 500, make the switching action all accomplish in explosion-proof control box 500, the explosion-proof performance of whole explosion-proof light switch 100 has been promoted greatly, and simultaneously, explosion-proof light switch still and explosion-proof control box between be provided with third flame proof face 510, the protection level of explosion-proof control box 500 has further been promoted in setting up of third flame proof face 510, make this explosion-proof control box 500 can be applicable to in various environment, the practicality and the environmental suitability of explosion-proof control box 500 have been promoted greatly.

It is noted that the description herein of "first," "second," "a," etc. is for descriptive purposes only and is not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. The terms "connected", "fixed", and the like are to be construed broadly, and for example, "fixed" may be a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. The utility model provides an explosion-proof light switch which characterized in that installs on explosion-proof control box, includes:

casing and main shaft assembly, be equipped with the confession in the casing the cavity of main shaft assembly motion, main shaft assembly's one end set up in the explosion-proof control box and be connected with switch module, wherein, main shaft assembly in the horizontal direction the projection with switch module has the overlap region in the projection of horizontal direction, be provided with in the overlap region be located main shaft assembly's first end and adjustable connect in second tip on the first end, the second end set up in switch module's one end and edge switch module's stroke direction of motion is moved, through first end with the adjustable connection control of second tip the motion stroke of switch module.

2. An explosion-proof light switch according to claim 1, wherein an adjustment structure is connected to the second end portion adjacent to the first end portion, wherein the first end portion is nested on the second end portion, and wherein the relative distance between the first end portion and the second end portion is controlled by the adjustment structure.

3. An explosion-proof light switch according to claim 2, wherein the adjusting structure comprises an adjusting portion connected to the second end portion and a locking portion connected to the first end portion, the relative distance between the first end portion and the second end portion is adjusted by the adjusting portion, and the relative position of the first end portion and the second end portion is locked by the locking portion.

4. An explosion-proof light switch according to claim 3, wherein the adjusting structure is a cylindrical structure, and a through hole is formed in the cylindrical structure, and the through hole is nested on the second end portion.

5. An explosion-proof light switch according to claim 4, characterized in that the adjusting part is arranged at the circumferential surface of the through hole, and the locking part is arranged at the end of the cylindrical structure.

6. The explosion-proof light switch according to claim 4, wherein a first clamping structure is arranged at the first end, a second clamping structure connected with the first clamping structure is arranged at the second end, a clamping groove for clamping the second clamping structure is arranged in the first clamping structure, the clamping groove is arranged in a semi-open manner, and the second clamping structure is connected with the first clamping structure along the clamping groove and automatically locked through the adjusting structure.

7. The explosion-proof light switch as claimed in claim 6, wherein the first latch structure is a disc-like structure, the latch grooves include a first latch groove disposed along a circumferential direction of the first latch structure and a second latch groove disposed along an end portion of the first latch structure, and the first latch groove is in communication with the second latch groove.

8. An explosion-proof light switch according to claim 7, wherein the radial dimension of the adjusting structure is smaller than the length direction dimension of the first catching groove and larger than the width direction dimension of the second catching groove.

9. An explosion-proof light switch according to claim 1, wherein a limit component is arranged in the housing, and the limit component comprises a first limit portion located on the spindle component and a second limit portion arranged on the housing.

10. An explosion-proof control box, characterized in that, includes the explosion-proof light switch of any claim 1-9, wherein, explosion-proof light switch install in on the explosion-proof control box, and with be provided with the flame proof face between the explosion-proof control box.

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