CN208385257U - A kind of flame-proof switch suitable for external electrical equipment - Google Patents

Abstract

The utility model relates to flame-proof switch technical fields; and disclose a kind of flame-proof switch suitable for external electrical equipment; including switch main body; the left end of the switch main body is fixedly installed with baffle-box; the upper and lower surface of buffering box cavity is fixedly installed with protective cover; the right side of protective cover inner cavity is fixedly installed with locating slide rod, and the left end of locating slide rod is fixedly connected with the left side of buffering box cavity.This is suitable for the flame-proof switch of external electrical equipment, pass through the cooperation of slide plate, compact heap and bolt, electric wire is fixed, pass through the cooperation of loose slot and locating slide rod, slide plate is smoothly moved left and right, pass through buffer spring, an active force to the right is provided for slide plate, slow down the speed being moved to the left when electric wire is pullled, limit the distance that electric wire is moved to the left, ensure electric wire can with switch main body is stable links together, improve the practicability of the flame-proof switch suitable for external electrical equipment.

Description

A kind of flame-proof switch suitable for external electrical equipment

Technical field

The utility model relates to flame-proof switch technical field, specially a kind of Anti-breakage suitable for external electrical equipment It closes.

Background technique

Flame-proof switch is to refer to apply the switch in inflammable and explosive equal hazardous environments, is widely used in manufactory in stone The machinery equipment and system power supply occasion of oil, also use chemical industry, including mill, silo, and paint or ink producer, timber add Factory, cement plant, ship business and sewage treatment, while being suitable for external electrical equipment, such as motor, pump, light units etc..

But the existing flame-proof switch suitable for external electrical equipment is directly connected to power supply by conducting wire, conducting wire is located at One end inside flame-proof switch is fixedly connected with the binding post of flame-proof switch, without the device that conducting wire is fixed, when conducting wire is drawn It is easy to be detached from binding post when pulling, causes conducting wire short circuit to cause dangerous, and control button does not have protecting crust, be easy surprisingly to be pressed It is pressed onto, so that flame-proof switch accidental switches off, relevant device is caused to accidental switch off, cause danger, therefore need to design a kind of anti-lead The flame-proof switch suitable for external electrical equipment that line falls off and prevents flame-proof switch from accidental switching off.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of flame-proof switch suitable for external electrical equipment, The advantages that having anti-wire dropping and preventing flame-proof switch from accidental switching off solves existing suitable for the explosion-proof of external electrical equipment Switch is directly connected to power supply by conducting wire, and conducting wire is located at the fixed company of binding post of one end and flame-proof switch inside flame-proof switch It connects, without the device that conducting wire is fixed, is easy to be detached from binding post when conducting wire is pullled, causes conducting wire short circuit to cause dangerous, And control button does not have protecting crust, is easy to be from being inadvertently depressed, so that flame-proof switch accidental switches off, causes relevant device unexpected It closes, causes dangerous problem.

(2) technical solution

For the purpose realized above-mentioned anti-wire dropping and prevent flame-proof switch from accidental switching off, the utility model provides following skill Art scheme: a kind of flame-proof switch suitable for external electrical equipment, including switch main body, the fixed peace in the left end of the switch main body Equipped with baffle-box, the upper and lower surface of the buffering box cavity is fixedly installed with protective cover, the right side of the protective cover inner cavity It is fixedly installed with locating slide rod, the left end of the locating slide rod is fixedly connected with the left side of buffering box cavity, and the positioning is slided The external activity of bar is socketed with slide plate, and the external activity of the locating slide rod is socketed with the buffer spring on the left of slide plate, institute The front for stating slide plate, which is bolted, is equipped with compact heap, and the left side fixation of the baffle-box is communicated with penetration pipe, described The left end screw thread of penetration pipe is socketed with seal pipe, and the left side of the switch main body is fixedly connected with the electricity inside baffle-box Line, the top surface of the switch main body are fixedly installed with sealing cover, and the left end of the sealing hd top face is fixedly installed with positioning plate, institute The quantity for stating positioning plate is two, is fixedly installed with fixed link, the external activity of the fixed link between two positioning plates It is socketed with swivel plate, the external activity of the fixed link is socketed with the reset spring between swivel plate and positioning plate, described Two sides close with swivel plate and positioning plate are fixedly connected respectively at the both ends of reset spring, and the top of the swivel plate is fixed Protecting crust is installed, the top surface of the sealing cover is fixedly installed with guide pipe, and the top movable sleeve of the guide pipe is connected to control Button.

Preferably, the tow sides of the switch main body are fixedly installed with fixed block, and the top surface of fixed block offers Fixation hole.

Preferably, the upper and lower ends of the slide plate extend through two close sides of protective cover, and two protective covers connect Close side offers loose slot compatible with slide plate.

Preferably, the left end of the electric wire sequentially pass through gap between slide plate and compact heap, baffle-box left side, wear Spool and seal pipe and the outside for extending to seal pipe, and the outside of electric wire is fixedly connected with slide plate and compact heap, the electric wire Outside and the left side of baffle-box, penetration pipe and seal pipe inner wall pivot bush unit.

Preferably, the slide plate and the close side of compact heap offer arc groove compatible with electric wire, and electric wire Length value between slide plate and switch main body is greater than between the left side of buffering box cavity and the left side of switch main body Distance value.

Preferably, the right end of the protecting crust is fixedly installed with operating handle, and the top surface of the sealing cover is fixedly installed with Cushion compatible with protecting crust.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of flame-proof switch suitable for external electrical equipment, has Below the utility model has the advantages that

It 1, should be suitable for the flame-proof switch of external electrical equipment, by the cooperation of slide plate, compact heap and bolt, so that electric wire It can be fixed, by the cooperation of loose slot and locating slide rod, slide plate smoothly be moved left and right, pass through buffering elastic Spring provides an active force to the right for slide plate, slows down the speed being moved to the left when electric wire is pullled, limit electric wire The distance being moved to the left, it is ensured that electric wire can with switch main body is stable links together, improve this suitable for external electrical The practicability of the flame-proof switch of device equipment.

2, it should be allowed one to simple and fast suitable for the flame-proof switch of external electrical equipment by operating handle It raises protecting crust and presses control button, by reset spring, provide a restoring force for swivel plate, so that people are by voltage-controlled Swivel plate automatically can cover control button with protecting crust after button processed, by cushion, slow down protecting crust with it is close The speed for covering top surface collision, avoids control button and is from being inadvertently depressed, this is caused to be suitable for the explosion-proof of external electrical equipment Switch, which accidental switches off, causes dangerous problem, improves the practicability of the flame-proof switch for being suitable for external electrical equipment.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is partial structurtes schematic internal view in Fig. 1；

Fig. 3 is the left view of Fig. 1；

Fig. 4 is partial structurtes left view schematic diagram in Fig. 2.

In figure: 1, switch main body；2, fixed block；3, baffle-box；4, protective cover；5, locating slide rod；6, slide plate；7, buffering elastic Spring；8, compact heap；9, penetration pipe；10, seal pipe；11, electric wire；12, sealing cover；13, positioning plate；14, fixed link；15, it rotates Plate；16, reset spring；17, protecting crust；18, operating handle；19, guide pipe；20, control button.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-4, a kind of flame-proof switch suitable for external electrical equipment, including switch main body 1, switch main body 1 Tow sides be fixedly installed with fixed block 2, and the top surface of fixed block 2 offers fixation hole, using fixed block 2, so that people Can quickly and easily fix this be suitable for external electrical equipment flame-proof switch, improve should be suitable for external electrical equipment Flame-proof switch practicability, the left end of switch main body 1 is fixedly installed with baffle-box 3, and the upper and lower surface of 3 inner cavity of baffle-box is solid Dingan County is equipped with protective cover 4, and the right side of 4 inner cavity of protective cover is fixedly installed with locating slide rod 5, the left end of locating slide rod 5 and buffering The left side of 3 inner cavity of case is fixedly connected, and the external activity of locating slide rod 5 is socketed with slide plate 6, and the upper and lower ends of slide plate 6 are passed through respectively Wear two close sides of protective cover 4, and the close side of two protective covers 4 offers loose slot compatible with slide plate 6, The external activity of locating slide rod 5 is socketed with the buffer spring 7 positioned at 6 left side of slide plate, and buffer spring 7 provides one for slide plate 6 Active force to the right slows down the speed being moved to the left when electric wire 11 is pullled, and limits the distance that electric wire 11 is moved to the left, Ensure electric wire 11 can with switch main body 1 is stable links together, improve this suitable for the explosion-proof of external electrical equipment The practicability of switch, the front of slide plate 6, which is bolted, is equipped with compact heap 8, slide plate 6 and compact heap 8 it is close side it is equal Arc groove compatible with electric wire 11 is offered, and length value of the electric wire 11 between slide plate 6 and switch main body 1 is greater than buffering The distance between left side and the left side of switch main body 1 of 3 inner cavity of case are worth, and are located at slide plate 6 and switch main body 1 using electric wire 11 Between length value be greater than between slide plate 6 and switch main body 1 distance value setting so that electric wire 11 is drawn in the case where pullling active force Electric wire 11 will not be detached from switch main body 1 when slide plate 6 is moved to the left, it is ensured that the company that electric wire 11 can be stable with switch main body 1 It is connected together, improves the practicability of the flame-proof switch for being suitable for external electrical equipment, the fixed connection in the left side of baffle-box 3 There is penetration pipe 9, the left end screw thread of penetration pipe 9 is socketed with seal pipe 10, and the left side of switch main body 1, which is fixedly connected with, is located at buffering Electric wire 11 inside case 3, the left end of electric wire 11 sequentially pass through gap between slide plate 6 and compact heap 8, baffle-box 3 left side, Penetration pipe 9 and seal pipe 10 and the outside for extending to seal pipe 10, and the outside of electric wire 11 and slide plate 6 and the fixed company of compact heap 8 It connects, outside and the left side of baffle-box 3, the inner wall pivot bush unit of penetration pipe 9 and seal pipe 10 of electric wire 11, switch main body 1 Top surface is fixedly installed with sealing cover 12, and the left end of 12 top surface of sealing cover is fixedly installed with positioning plate 13, and the quantity of positioning plate 13 is Two, fixed link 14 is fixedly installed between two positioning plates 13, and the external activity of fixed link 14 is socketed with swivel plate 15, fixed The external activity of bar 14 is socketed with the reset spring 16 between swivel plate 15 and positioning plate 13, the both ends point of reset spring 16 Two sides close with swivel plate 15 and positioning plate 13 are not fixedly connected, and the top of swivel plate 15 is fixedly installed with protecting crust 17, it using protecting crust 17, avoids control button 20 and is from being inadvertently depressed, this is caused to be suitable for the Anti-breakage of external electrical equipment It closes to accidental switch off and causes dangerous problem, improve the practicability of the flame-proof switch for being suitable for external electrical equipment, protecting crust 17 right end is fixedly installed with operating handle 18, and the top surface of sealing cover 12 is fixedly installed with buffering compatible with protecting crust 17 Pad, using operating handle 18, allow one to it is simple and fast raise protecting crust 17 and press control button 20, and utilize slow Punching pad, slow down protecting crust 17 and 12 top surface of sealing cover collision speed, avoid protecting crust 17 and sealing cover 12 collision and by The problem of damage, improves the practicability of the flame-proof switch for being suitable for external electrical equipment, the fixed peace in the top surface of sealing cover 12 Equipped with guide pipe 19, the top movable sleeve of guide pipe 19 is connected to control button 20.

When work, the left end of electric wire 11 first is pullled, then electric wire 11 pull slide plate 6 along locating slide rod 5 to the left Mobile, then buffer spring 7 slows down the movement speed of slide plate 6, and electric wire 11 stops movement later, then pulls strength disappearance, connects Electric wire 11 return to state under the action of buffer spring 7, when needing to press control button 20, pass through operation first Handle 18 raises protecting crust 17, then presses control button 20, and then protecting crust 17 automatically will under the action of reset spring 16 Control button 20 covers.

In conclusion matching for slide plate 6, compact heap 8 and bolt should be passed through suitable for the flame-proof switch of external electrical equipment It closes, electric wire 11 is fixed, by the cooperation of loose slot and locating slide rod 5, slide plate 6 is smoothly controlled It is mobile, by buffer spring 7, an active force to the right is provided for slide plate 6, is slowed down when electric wire 11 is pullled to moving to left Dynamic speed limits the distance that electric wire 11 is moved to the left, it is ensured that electric wire 11 can with switch main body 1 it is stable be connected to one It rises, improves the practicability of the flame-proof switch for being suitable for external electrical equipment；By operating handle 18, letter is allowed one to It is single efficiently to raise protecting crust 17 and press control button 20, by reset spring 16, a recovery is provided for swivel plate 15 Power, swivel plate 15 automatically covers control button 20 with protecting crust 17 after enabling people to press control button 20, leads to Cushion is crossed, the collision of protecting crust 17 Yu 12 top surface of sealing cover is slowed down, control button 20 is avoided and is from being inadvertently depressed, cause The flame-proof switch for being suitable for external electrical equipment, which accidental switches off, causes dangerous problem, improves this and sets suitable for external electric appliance The practicability of standby flame-proof switch；The existing flame-proof switch suitable for external electrical equipment is solved by conducting wire directly and power supply Connection, one end that conducting wire is located inside flame-proof switch is fixedly connected with the binding post of flame-proof switch, without the device of conducting wire fixation, It is easy to be detached from binding post when conducting wire is pullled, causes conducting wire short circuit to cause dangerous, and control button does not have protecting crust 17, it is easy to be from being inadvertently depressed, so that flame-proof switch accidental switches off, relevant device is caused to accidental switch off, cause dangerous problem.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of flame-proof switch suitable for external electrical equipment, including switch main body (1), it is characterised in that: the switch master The left end of body (1) is fixedly installed with baffle-box (3), and the upper and lower surface of baffle-box (3) inner cavity is fixedly installed with protective cover (4), the right side of protective cover (4) inner cavity is fixedly installed with locating slide rod (5), the left end of the locating slide rod (5) and slow The left side for rushing case (3) inner cavity is fixedly connected, and the external activity of the locating slide rod (5) is socketed with slide plate (6), and the positioning is slided The external activity of bar (5) is socketed with the buffer spring (7) on the left of slide plate (6), and the front of the slide plate (6) is solid by bolt Dingan County is equipped with compact heap (8), and the left side fixation of the baffle-box (3) is communicated with penetration pipe (9), a left side for the penetration pipe (9) End screw thread is socketed with seal pipe (10), and the left side of the switch main body (1) is fixedly connected with the electricity internal positioned at baffle-box (3) The top surface of line (11), the switch main body (1) is fixedly installed with sealing cover (12), and the left end of sealing cover (12) top surface is fixed It is equipped with positioning plate (13), the quantity of the positioning plate (13) is two, is fixedly installed between two positioning plates (13) The external activity of fixed link (14), the fixed link (14) is socketed with swivel plate (15), the external activity of the fixed link (14) The reset spring (16) being socketed between swivel plate (15) and positioning plate (13), the both ends difference of the reset spring (16) Two sides close with swivel plate (15) and positioning plate (13) are fixedly connected, and the top of the swivel plate (15) is fixedly installed with The top surface of protecting crust (17), the sealing cover (12) is fixedly installed with guide pipe (19), the top activity of the guide pipe (19) It is socketed with control button (20).

2. a kind of flame-proof switch suitable for external electrical equipment according to claim 1, it is characterised in that: the switch The tow sides of main body (1) are fixedly installed with fixed block (2), and the top surface of fixed block (2) offers fixation hole.

3. a kind of flame-proof switch suitable for external electrical equipment according to claim 1, it is characterised in that: the slide plate (6) upper and lower ends extend through two close sides of protective cover (4), and two close sides of protective cover (4) open up Have and slide plate (6) compatible loose slot.

4. a kind of flame-proof switch suitable for external electrical equipment according to claim 1, it is characterised in that: the electric wire (11) left end sequentially pass through gap between slide plate (6) and compact heap (8), the left side of baffle-box (3), penetration pipe (9) and Seal pipe (10) and the outside for extending to seal pipe (10), and the outside of electric wire (11) and slide plate (6) and the fixed company of compact heap (8) It connects, outside and the left side of baffle-box (3), the inner wall pivot bush unit of penetration pipe (9) and seal pipe (10) of the electric wire (11).

5. a kind of flame-proof switch suitable for external electrical equipment according to claim 1, it is characterised in that: the slide plate (6) and the close side of compact heap (8) offer with electric wire (11) compatible arc groove, and electric wire (11) is located at slide plate (6) length value between switch main body (1) be greater than baffle-box (3) inner cavity left side and switch main body (1) left side it Between distance value.

6. a kind of flame-proof switch suitable for external electrical equipment according to claim 1, it is characterised in that: the protection The right end of shell (17) is fixedly installed with operating handle (18), and the top surface of the sealing cover (12) is fixedly installed with and protecting crust (17) Compatible cushion.