CN218482133U - Explosion-proof button and explosion-proof control box - Google Patents

Abstract

The utility model provides an explosion-proof button and explosion-proof control box belongs to explosion-proof fork truck technical field, including main shaft assembly, main shaft assembly is including being located first end in the explosion-proof control box, first end department is provided with switch module, wherein, be close to on the main shaft assembly one side nested connection of first end has the flame proof subassembly, the flame proof subassembly with the explosion-proof control box is connected, just is in be provided with at least one flame proof face on the flame proof subassembly. The utility model discloses a set up the one end of explosion-proof button linked switch subassembly in explosion-proof control box for all switching action all accomplish in explosion-proof control box, promoted explosion-proof button's explosion proof ability greatly, still be provided with the flame proof subassembly on the explosion-proof button, through set up the flame proof face on the flame proof subassembly, further strengthened explosion-proof button's explosion proof ability, promoted this explosion-proof button's practicality and environmental suitability greatly, applicable in various explosion-proof environment of needs.

Description

Explosion-proof button 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 button 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, lateral moving and the like through the organic combination of hydraulic pressure, electricity and machinery, and the safety and the efficiency of goods loading and unloading are ensured. A plurality of switch assemblies of the last normal use of fork truck are used for controlling each load switch, but the many direct mount of current switch assembly in the fork truck driver's cabin, and explosion-proof grade is low, leads to fork truck's application to have received very big restriction, is unfavorable for fork truck's under the special environment to use widely, consequently, continues an explosion-proof level height and simple structure's explosion-proof button and explosion-proof control box.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided an explosion-proof level height and simple structure's explosion-proof button and explosion-proof control box.

The purpose of the utility model can be realized by the following technical proposal: an explosion-proof button is installed on explosion-proof control box, includes: the main shaft assembly comprises a first end portion located in the explosion-proof control box, a switch assembly is arranged at the first end portion, wherein the main shaft assembly is close to one side of the first end portion and is connected with an explosion-proof assembly in a nested mode, the explosion-proof assembly is connected with the explosion-proof control box, and at least one explosion-proof surface is arranged on the explosion-proof assembly.

In the explosion-proof button, the explosion-proof component comprises an explosion-proof sleeve embedded on the main shaft component and an installation sleeve embedded on the explosion-proof sleeve, wherein a first explosion-proof surface is arranged at the joint of the circumferential inner surface of the explosion-proof sleeve and the main shaft component, and a second explosion-proof surface is arranged at the joint of the circumferential outer surface of the explosion-proof sleeve and the installation sleeve.

In the explosion-proof button, the explosion-proof sleeve is cylindrically sleeved on the circumferential surface of the main shaft assembly, and the axial length dimension of the explosion-proof sleeve is larger than the radial dimension of the explosion-proof sleeve.

In the above-mentioned explosion-proof button, the main shaft assembly includes the second end portion of keeping away from the first end portion, the second end portion department inlays and is equipped with the pressure subassembly, wherein, the pressure subassembly with be connected with floating assembly between the main shaft assembly, the pressure subassembly passes through floating assembly drives the main shaft assembly control the opening and closing of switch module.

In the above explosion-proof button, the pressing component includes a button seat sleeved on the top of the main shaft component, a cavity for the axial movement of the main shaft component is provided in the button seat, the floating component is disposed in the cavity and nested on the main shaft component, and the main shaft component is driven by the floating component along the axial movement of the main shaft component to control the opening and closing of the switch component.

In the explosion-proof button, the cavity is in a semi-enclosed arrangement, the floating assembly comprises an elastic piece, wherein one end of the elastic piece is abutted against the closed end of the cavity, and the other end of the elastic piece is abutted against the end of the explosion-proof sleeve.

In the above-mentioned explosion-proof button, the main shaft assembly includes a main shaft and a protrusion connected to an end of the main shaft, and the opening and closing of the switch assembly is controlled by the contact and separation of the protrusion and the switch assembly.

In the explosion-proof button, the radial size of the boss is larger than that of the inner wall of the explosion-proof sleeve.

In the above explosion-proof button, the button seat is connected to the second end, and an adjusting member is disposed at the joint of the button seat and the second end, and the movement stroke of the spindle is controlled by the adjusting member.

The utility model also provides an explosion-proof control box, include: the explosion-proof button is arranged on the explosion-proof control box, and an explosion-proof surface is arranged between the explosion-proof button 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 button sets up in explosion-proof control box through the one end with explosion-proof button linked switch subassembly for all switch action all accomplish in explosion-proof control box, the explosion-proof performance of explosion-proof button has been promoted greatly, still be provided with the explosion-proof subassembly on the explosion-proof button, through set up the flame proof face on the explosion-proof subassembly, the explosion-proof performance of explosion-proof button has further been strengthened, this explosion-proof button's practicality and environmental suitability have been promoted greatly, applicable in various explosion-proof environment of needs.

2. Through locating the flame proof cover on the main shaft assembly, be used for forming first flame proof face with the main shaft assembly on the one hand, on the other hand makes the axial directional motion that the main shaft assembly can follow the flame proof cover, and the motion is steady high-efficient, avoids leading to button switch failure because of main shaft assembly motion skew.

3. The setting up of elastic component makes operating personnel to open and close switch module more portably quick, and not only easy operation is light, can also be through the opening time of operating personnel autonomous control switch module, and simple structure is ingenious.

4. Through setting up adjusting shim for press down the switch subassembly that subassembly and main shaft assembly can the adaptation difference, no matter be contact stroke length or stroke short, all can control the main shaft through adjusting shim's thickness and open micro-gap switch's accurate nature, guarantee that the main shaft drives the bellying both can accurately start micro-gap switch, can also avoid causing the damage to micro-gap switch because of the stroke overlength.

Drawings

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

Fig. 2 is a schematic view of another view structure according to the first embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of a first embodiment of the present invention.

Fig. 4 is a schematic diagram a of a partially enlarged structure according to a first embodiment of the present invention.

Fig. 5 is a schematic view of the overall structure of the second embodiment of the present invention.

Fig. 6 is another schematic view structure diagram according to the second embodiment of the present invention.

In the figure, 100, explosion-proof button; 200. a spindle assembly; 210. a first end portion; 220. a second end portion; 230. a main shaft; 240. a boss portion; 250. an adjustment member; 300. a switch assembly; 310. a support; 400. an explosion-proof component; 410. an explosion-proof sleeve; 411. a first explosion-proof surface; 412. a second flameproof surface; 420. installing a sleeve; 500. a pressing assembly; 510. a button seat; 511. a cavity; 600. a floating assembly; 700. explosion-proof control box.

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 up, down, left, right, front, back \8230;) 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 attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Example one

As shown in fig. 1 to 6, the utility model provides an explosion-proof button 100 is installed on explosion-proof control box 700, include:

the main shaft 230 component 200, the main shaft 230 component 200 includes the first end 210 that is located in the explosion-proof control box 700, first end 210 department is provided with switch module 300, wherein, the main shaft 230 component 200 is gone up and is close to one side nested connection of first end 210 has explosion-proof component 400, explosion-proof component 400 with explosion-proof control box 700 is connected, just is in be provided with at least one explosion-proof face on the explosion-proof component 400.

In this embodiment, the explosion-proof button 100 is used to control a switch assembly 300, the switch assembly 300 is configured as a micro switch, when the explosion-proof button 100 presses the micro switch, the switch is turned on, when the explosion-proof button 100 leaves the micro switch, the switch is turned off, and the micro switch can be connected with a horn or other loads needing to be turned on instantly. Explosion-proof button 100 is installed on explosion-proof control box 700, just the one end of explosion-proof button 100 linked switch subassembly 300 sets up in explosion-proof control box 700 for all switching actions are all accomplished in explosion-proof control box 700, the explosion-proof performance of explosion-proof button 100 has been promoted greatly, furthermore, still be provided with explosion-proof subassembly 400 on the explosion-proof button 100, through set up the flame proof face on explosion-proof subassembly 400, the explosion-proof performance of explosion-proof button 100 has further been strengthened, the practicality and the environmental suitability of this explosion-proof button 100 have been promoted greatly, it is applicable in various explosion-proof environment that need, also play decisive role to explosion-proof fork truck's use and popularization.

Preferably, as shown in fig. 1 to 6, the flameproof assembly 400 includes a flameproof sleeve 410 embedded on the main shaft 230 assembly 200 and an installation sleeve 420 embedded on the flameproof sleeve 410, wherein a first flameproof surface 411 is disposed at a connection between a circumferential inner surface of the flameproof sleeve 410 and the main shaft 230 assembly 200, and a second flameproof surface 412 is disposed at a connection between a circumferential outer surface of the flameproof sleeve 410 and the installation sleeve 420.

Further preferably, the flameproof sleeve 410 is cylindrically sleeved on the circumferential surface of the main shaft 230 assembly 200, and the axial length of the flameproof sleeve 410 is greater than the radial dimension thereof.

In this embodiment, the explosion-proof assembly 400 includes an explosion-proof sleeve 410 and a mounting sleeve 420 which are overlapped and sleeved, the explosion-proof sleeve 410 is sleeved on the main shaft 230 assembly 200, on one hand, the explosion-proof sleeve is used for forming a first explosion-proof surface 411 with the main shaft 230 assembly 200, on the other hand, the main shaft 230 assembly 200 can move along the axial direction of the explosion-proof sleeve 410, the movement is stable and efficient, failure of the button switch due to movement deviation of the main shaft 230 assembly 200 is avoided, the mounting sleeve 420 is sleeved on the explosion-proof sleeve 410, a second explosion-proof surface 412 is arranged at the connecting surface of the mounting sleeve 420 and the explosion-proof sleeve 410, the explosion-proof button 100 is integrally mounted on the explosion-proof control box 700 through the mounting sleeve 420, the explosion-proof sleeve 410 is arranged so that the connecting portion of the explosion-proof button 100 and the explosion-proof control box 700 is provided with a plurality of explosion-proof surfaces, the axial length of the explosion-proof sleeve 410 is larger than the radial size thereof, the explosion-proof area is large, the range is wide, the omnibearing explosion-proof button 100 can be formed, even if electric sparks are generated in the movement process of the switch assembly 300, the explosion-proof button can be prevented from being blocked by the explosion-proof sleeve 420, the explosion-proof button 100 can be fixed on the explosion-proof control box, and the explosion-proof button can be simply mounted on the explosion-proof control box 700.

Preferably, as shown in fig. 1 to 6, the main shaft 230 assembly 200 includes a second end 220 far away from the first end 210, and a pressing assembly 500 is embedded at the second end 220, wherein a floating assembly 600 is connected between the pressing assembly 500 and the main shaft 230 assembly 200, and the pressing assembly 500 drives the main shaft 230 assembly 200 through the floating assembly 600 to control the opening and closing of the switch assembly 300.

Further preferably, the pressing assembly 500 includes a button seat 510 sleeved on the top of the main shaft 230 assembly 200, a cavity 511 for the axial movement of the main shaft 230 assembly 200 is provided in the button seat 510, wherein the floating assembly 600 is provided in the cavity 511 and nested on the main shaft 230 assembly 200, and the main shaft 230 assembly 200 is driven by the axial movement of the floating assembly 600 along the main shaft 230 assembly 200 to control the opening and closing of the switch assembly 300.

Further preferably, the cavity 511 is disposed in a semi-enclosed manner, and the floating assembly 600 includes an elastic member, wherein one end of the elastic member abuts against the closed end of the cavity 511, and the other end of the elastic member abuts against the end of the flameproof sleeve 410

In this embodiment, the second end 220 of the explosion-proof button 100 is connected with a button assembly, the button assembly is disposed outside the explosion-proof control box 700 and is configured to press the switch assembly 300, an elastic member connected between the press assembly 500 and the main shaft 230 assembly 200 is configured to rebound after the press assembly 500 presses the switch assembly 300, specifically, the main shaft 230 assembly 200 is fixedly connected with the press assembly 500, the main shaft 230 assembly 200 performs a press motion in the cavity 511 along the axial direction of the press assembly 500, an elastic member is nested on the main shaft 230 assembly 200, two ends of the elastic member are respectively connected with the closed end of the cavity 511 and the end of the explosion-proof sleeve 410, when the switch assembly 300 needs to be opened, an operator presses the press assembly 500, the press assembly 500 drives the main shaft 230 assembly 200 to be pressed down to be in contact with the switch assembly 300 and open the switch assembly 300, at this time, the elastic member is in a compressed state, when the switch assembly 300 needs to be closed, the press assembly 500 and the main shaft 230 assembly 200 can be reset to an initial position under the elastic force of the elastic member, the press assembly 500 is not required to be pressed again, the switch assembly 300 is simply, the switch assembly can be opened, and the switch assembly can be closed more easily, and the switch assembly can be controlled more easily, and the switch assembly can be closed more easily.

Preferably, as shown in fig. 1 to 6, the main shaft 230 assembly 200 includes a main shaft 230 and a protrusion 240 connected to an end of the main shaft 230, and the opening and closing of the switch assembly 300 is controlled by the contact and separation of the protrusion 240 and the switch assembly 300.

Further preferably, the radial dimension of the protrusion 240 is larger than the radial dimension of the inner wall of the flameproof sleeve 410.

In this embodiment, the micro switch is provided with a contact, the protrusion 240 is controlled to be in contact with or separated from the contact by the axial pressing motion of the main shaft 230 along the flameproof sleeve 410, so as to control the on and off of the micro switch, meanwhile, the radial size of the protrusion 240 is set to be larger than that of the inner wall of the flameproof sleeve 410, namely, the protrusion 240 is limited by the flameproof sleeve 410, when the main shaft 230 rebounds under the action of the elastic part, the protrusion 240 is limited when moving to the flameproof sleeve 410, so that the main shaft 230 is prevented from further moving, and the accurate motion of the whole main shaft 230 is controlled.

Preferably, as shown in fig. 1 to 6, the button holder 510 is connected to the second end 220, and an adjusting member 250 is disposed at the connection position, and the movement stroke of the spindle 230 is controlled by the adjusting member 250.

In this embodiment, an adjusting member 250 is further disposed at a connection portion of the button base 510 and the second end portion 220, the adjusting member 250 is preferably an adjusting shim, a moving stroke of the spindle 230 is adjusted by a thickness of the adjusting shim, when the thickness of the adjusting shim is larger, the moving stroke of the spindle 230 is longer, and when the thickness of the adjusting shim is smaller, the moving stroke of the spindle 230 is shorter. Through setting up the adjusting shim for press assembly 500 and main shaft 230 subassembly 200 can the different switch assembly 300 of adaptation, no matter be the contact stroke long or the stroke is short, all can control main shaft 230 through the thickness of adjusting the adjusting shim and open micro-gap switch's accurate nature, guarantee that main shaft 230 drives bellying 240 both can accurately start micro-gap switch, can also avoid causing the damage to micro-gap switch because of the stroke overlength.

Further preferably, a bracket 310 is installed on the switch assembly 300, and the bracket 310 is erected on the switch assembly 300 and connected with the flameproof sleeve 410.

Example two

As shown in fig. 5 to 6, the utility model also provides an explosion-proof control box 700, including embodiment one explosion-proof button 100, wherein, explosion-proof button 100 install in on the explosion-proof control box 700, and with be provided with the flame proof face between the explosion-proof control box 700.

In this embodiment, explosion-proof button 100 is installed on explosion-proof control box 700, through setting up switch module 300 in explosion-proof control box 700, make whole switching action all accomplish in explosion-proof control box 700, the explosion-proof performance of whole explosion-proof button 100 has been promoted greatly, and simultaneously, explosion-proof button 100 still and explosion-proof control box 700 between be provided with a plurality of flame proof faces, the setting of flame proof face has further promoted explosion-proof control box 700's protection level, make this explosion-proof control box 700 can be applicable to in various environments, the practicality and the environmental suitability of explosion-proof control box 700 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 skilled 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 (8)

1. The utility model provides an explosion-proof button, its characterized in that installs on explosion-proof control box, includes: the main shaft assembly comprises a first end part positioned in the explosion-proof control box, and a switch assembly is arranged at the first end part, wherein one side, close to the first end part, of the main shaft assembly is connected with an explosion-proof assembly in a nested manner, the explosion-proof assembly is connected with the explosion-proof control box, and at least one explosion-proof surface is arranged on the explosion-proof assembly;

the explosion-proof component comprises an explosion-proof sleeve embedded on the main shaft component and an installation sleeve embedded on the explosion-proof sleeve, wherein a first explosion-proof surface is arranged at the joint of the circumferential inner surface of the explosion-proof sleeve and the main shaft component, and a second explosion-proof surface is arranged at the joint of the circumferential outer surface of the explosion-proof sleeve and the installation sleeve;

the explosion-proof sleeve is cylindrically sleeved on the circumferential surface of the main shaft assembly, and the axial length dimension of the explosion-proof sleeve is larger than the radial dimension of the explosion-proof sleeve.

2. The explosion-proof button according to claim 1, wherein the main shaft assembly comprises a second end portion far away from the first end portion, a pressing assembly is embedded at the second end portion, a floating assembly is connected between the pressing assembly and the main shaft assembly, and the pressing assembly drives the main shaft assembly to control the opening and closing of the switch assembly through the floating assembly.

3. The explosion-proof button as recited in claim 2, wherein the pressing member comprises a button seat disposed at the top of the main shaft member, and a cavity is disposed in the button seat for allowing the main shaft member to move axially, wherein the floating member is disposed in the cavity and nested on the main shaft member, and the main shaft member is driven by the floating member along the axial movement of the main shaft member to control the opening and closing of the switch member.

4. The explosion-proof button according to claim 3, wherein the cavity is disposed in a semi-enclosed manner, the floating assembly includes an elastic member, one end of the elastic member abuts against the closed end of the cavity, and the other end of the elastic member abuts against the end of the explosion-proof sleeve.

5. The explosion-proof button of claim 1 wherein said spindle assembly comprises a spindle and a boss attached to an end of said spindle, said boss contacting and separating said switch assembly to control opening and closing of said switch assembly.

6. An explosion-proof button according to claim 5, characterized in that the radial dimension of the boss is larger than the radial dimension of the inner wall of the explosion-proof sleeve.

7. An explosion-proof button as claimed in claim 3, characterized in that the button base is connected to the second end and is provided with an adjusting element, by means of which the movement path of the spindle is controlled.

8. An explosion-proof control box, characterized in that, includes the explosion-proof button of any claim 1-7, wherein, explosion-proof button is installed on explosion-proof control box, and with be provided with the flame proof face between the explosion-proof control box.

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