CN109300716B

CN109300716B - Explosion-proof switch

Info

Publication number: CN109300716B
Application number: CN201811424743.6A
Authority: CN
Inventors: 沈斌
Original assignee: Taizhou Yi Wei Electric Co Ltd
Current assignee: Taizhou Yi Wei Electric Co Ltd
Priority date: 2018-11-27
Filing date: 2018-11-27
Publication date: 2020-01-10
Anticipated expiration: 2038-11-27
Also published as: CN109300716A

Abstract

The invention belongs to the technical field of application of line assembly connecting accessories, and particularly discloses an explosion-proof switch which comprises a shell assembly, a sliding assembly matched with the shell assembly for use, and a wiring assembly matched with the sliding assembly for use. The explosion-proof switch has the beneficial effects that: its project organization is reasonable, and casing subassembly, slip subassembly and the wiring subassembly structure that matches and use, its toughness is strong, the wire is connected the stationary state and is stable, guarantees the line operation state continuation and stability after the equipment, and overall structure convenient to detach and equipment, and overall structure is explosion-proof simultaneously, waterproof performance is excellent, improves the security of line assembly connection operation.

Description

Explosion-proof switch

Technical Field

The invention belongs to the technical field of application of line assembly connecting accessories, and particularly relates to an explosion-proof switch.

Background

The explosion-proof switch can be applied to severe dangerous explosion environments.

Explosion-proof switches are mainly used in various applications requiring a safe, reliable and easily breakable connection, in particular in the case of machine equipment and system power supply in manufacturing plants where flammable and explosive gases may be present; also in the petrochemical industry, including mills, barns, paint or ink manufacturers, wood processing plants, cement plants, shipping and sewage treatment; the explosion-proof switch is also suitable for external electrical equipment such as motors, pumps, lighting equipment, process control devices used in dangerous factories and factories, or explosive environments resulting in flammable gases, vapors, mist gases, or flammable dusts.

The existing explosion-proof switch has an unreasonable design structure, the quick and accurate assembly of a wire cannot be realized during the assembly, the later-period disassembly and the maintenance (the overhaul and the maintenance of an internal cable) are inconvenient, the phenomenon of falling, breaking or deformation is caused by the unreasonable design on the other hand, the explosion-proof and waterproof performances of the explosion-proof and waterproof switch are poor, and the current problem is urgently solved.

Therefore, in view of the above problems, the present invention provides an explosion-proof switch.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide an explosion-proof switch which is reasonable in design structure, and has the advantages that a shell assembly, a sliding assembly and a wiring assembly are matched for use, the toughness is strong, the connection and fixing state of a lead is stable, the continuity and stability of the operation state of a circuit after assembly are ensured, the overall structure is convenient to disassemble and assemble, meanwhile, the overall structure is excellent in explosion-proof and waterproof performances, and the safety of the assembly and connection operation of the circuit is improved.

The technical scheme is as follows: the invention provides an explosion-proof switch, which consists of a shell component, a sliding component matched with the shell component for use, and a wiring component matched with the sliding component for use; the shell assembly comprises a hollow rectangular shell, positioning blocks arranged at four corners of the top of the hollow rectangular shell, positioning block positioning holes arranged in the positioning blocks, a shell cover matched with the hollow rectangular shell, shell cover positioning holes arranged in the four corners of the shell cover, positioning screws connected with the positioning block positioning holes and the shell cover positioning holes, an internal thread hollow lead sleeve arranged at one end of the hollow rectangular shell, an external thread hollow limiting column connected with the internal thread hollow lead sleeve, a first positioning plate and a second positioning plate which are arranged at one end of the hollow rectangular shell and symmetrically arranged at two sides of the internal thread hollow lead sleeve, a first positioning plate positioning hole and a second positioning plate positioning hole which are respectively arranged in the first positioning plate and the second positioning plate, and a square hollow positioning block arranged at the other end of the hollow rectangular shell, the hollow incoming line guide sleeve is arranged at one end of the square hollow positioning block; the sliding component comprises a bearing positioning sleeve arranged in the square hollow positioning block, a bearing arranged in the bearing positioning sleeve, a vertical positioning sleeve arranged on the square hollow positioning block, a limiting hole arranged in the vertical positioning sleeve, a rotating shaft which penetrates through the limiting hole and the square hollow positioning block and is connected with the bearing, a rotating shaft connecting hole arranged at one end of the rotating shaft, a rotating rod connected with the rotating shaft, a rotating rod positioning screw matched with the rotating shaft connecting hole and the rotating rod, a rotating rod connecting hole arranged in one end of the rotating rod, a handheld insulating sleeve matched with the rotating rod connecting hole, a handheld insulating sleeve positioning hole arranged in the handheld insulating sleeve, an insulating positioning screw rod matched with the rotating rod connecting hole and the handheld insulating sleeve positioning hole, an insulating positioning nut, a current conducting plate arranged on the rotating shaft and a current conducting plate wiring hole arranged in the current conducting plate, the first fastening screw is matched with the wiring hole of the conductive plate; the wiring assembly comprises an insulating base arranged in a hollow rectangular shell, a set of insulating base positioning holes arranged in one end of the insulating base, a rectangular conductive plate matched with the insulating base for use, a set of rectangular conductive plate positioning holes arranged in one end of the rectangular conductive plate and matched with the set of insulating base positioning holes for use, a set of vertical conductive wire columns arranged on the other end of the rectangular conductive plate, a set of insulating positioning screws connected with the set of rectangular conductive plate positioning holes, and a rectangular conductive plate wiring hole arranged in one end of the rectangular conductive plate and located on one side of the set of insulating base positioning holes, and a second fastening screw matched with the rectangular conductive plate wiring hole for use.

According to the technical scheme, the explosion-proof switch further comprises a group of insulating positioning screw positioning sleeves which are symmetrically arranged on one surface of the shell cover and matched with the insulating positioning screws for use.

This technical scheme, explosion-proof switch still includes the insulating spring that sets up on a set of insulating location screw and cooperate the use with rectangular current conducting plate.

According to the technical scheme, the bearing is an insulating bearing, and the rotating shaft is an insulating rotating shaft.

Compared with the prior art, the explosion-proof switch has the beneficial effects that: its project organization is reasonable, and casing subassembly, slip subassembly and the wiring subassembly structure that matches and use, its toughness is strong, the wire is connected the stationary state and is stable, guarantees the line operation state continuation and stability after the equipment, and overall structure convenient to detach and equipment, and overall structure is explosion-proof simultaneously, waterproof performance is excellent, improves the security of line assembly connection operation.

Drawings

Fig. 1 is a schematic front view of an explosion-proof switch according to the present invention;

FIG. 2 is a rear view of an explosion-proof switch of the present invention;

FIG. 3 is a schematic top view of the housing assembly of an explosion proof switch of the present invention;

FIG. 4 is a schematic diagram of a top view of a rectangular conductive plate or the like of an explosion-proof switch of the present invention;

FIG. 5 is a schematic top view of a cover or the like of an explosion-proof switch of the present invention;

wherein, the numbers in the figure are marked as follows: 1-hollow rectangular shell, 2-square hollow positioning block, 3-hollow lead-in guide sleeve, 4-internal thread hollow lead wire sleeve, 5-external thread hollow limiting column, 6-first positioning plate, 7-first positioning plate positioning hole, 8-second positioning plate, 9-second positioning plate positioning hole, 10-vertical positioning sleeve, 11-limiting hole, 12-bearing positioning sleeve, 13-bearing, 14-rotating shaft, 15-rotating shaft connecting hole, 16-rotating rod, 17-rotating rod positioning screw, 18-insulating positioning screw, 19-rotating rod connecting hole, 20-handheld insulating sleeve, 21-handheld insulating sleeve positioning hole, 22-insulating positioning nut, 23-positioning block, 24-positioning block positioning hole, 25-shell cover, shell cover, 26-a shell cover positioning hole, 27-a positioning screw, 28-an insulating base, 29-an insulating base positioning hole, 30-an insulating positioning screw, 31-a rectangular conducting plate, 32-a rectangular conducting plate positioning hole, 33-an insulating positioning screw positioning sleeve, 34-an insulating spring, 35-a rectangular conducting plate wiring hole, 36-a second fastening screw, 37-a vertical wire column, 38-a conducting plate, 39-a conducting plate wiring hole and 40-a first fastening screw.

Detailed Description

The invention is further elucidated with reference to the drawings and the embodiments.

Example one

An explosion-proof switch as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 is composed of a housing assembly, a sliding assembly used in cooperation with the housing assembly, and a wiring assembly used in cooperation with the sliding assembly; the shell assembly comprises a hollow rectangular shell 1, positioning blocks 23 arranged at four corners of the top of the hollow rectangular shell 1, positioning block positioning holes 24 arranged in the positioning blocks 23, a shell cover 25 matched with the hollow rectangular shell 1, shell cover positioning holes 26 arranged at four corners of the shell cover 25, positioning screws 27 connected with the positioning block positioning holes 24 and the shell cover positioning holes 26, an internal thread hollow lead wire sleeve 4 arranged at one end of the hollow rectangular shell 1, an external thread hollow limiting column 5 connected with the internal thread hollow lead wire sleeve 4, a first positioning plate 6 and a second positioning plate 8 which are arranged at one end of the hollow rectangular shell 1 and symmetrically arranged at two sides of the internal thread hollow lead wire sleeve 4, and a first positioning plate positioning hole 7 and a second positioning plate positioning hole 9 which are respectively arranged in the first positioning plate 6 and the second positioning plate 8, a square hollow positioning block 2 arranged at the other end of the hollow rectangular shell 1, and a hollow incoming line guide sleeve 3 arranged at one end of the square hollow positioning block 2; the sliding component comprises a bearing positioning sleeve 12 arranged in a square hollow positioning block 2, a bearing 13 arranged in the bearing positioning sleeve 12, a vertical positioning sleeve 10 arranged on the square hollow positioning block 2, a limiting hole 11 arranged in the vertical positioning sleeve 10, a rotating shaft 14 penetrating through the limiting hole 11, the square hollow positioning block 2 and connected with the bearing 13, a rotating shaft connecting hole 15 arranged at one end of the rotating shaft 14, a rotating rod 16 connected with the rotating shaft 14, a rotating rod positioning screw 17 matched with the rotating shaft connecting hole 15 and the rotating rod 16, a rotating rod connecting hole 19 arranged in one end of the rotating rod 16, a handheld insulating sleeve 20 matched with the rotating rod connecting hole 19, a handheld insulating sleeve positioning hole 21 arranged in the handheld insulating sleeve 20, and an insulating positioning screw 18 matched with the rotating rod connecting hole 19 and the handheld insulating sleeve positioning hole 21, The insulating positioning nut 22, and the conducting plate 38 set on the rotating shaft 14, and the conducting plate wiring hole 39 set in the conducting plate 38, and the first fastening screw 40 used in cooperation with the conducting plate wiring hole 39; the wiring assembly comprises an insulating base 28 arranged in a hollow rectangular shell 1, a group of insulating base positioning holes 29 arranged in one end of the insulating base 28, a rectangular conducting plate 31 matched with the insulating base 28 for use, a group of rectangular conducting plate positioning holes 32 arranged in one end of the rectangular conducting plate 31 and matched with the group of insulating base positioning holes 29 for use, a group of vertical conducting wire columns 37 arranged at the other end of the rectangular conducting plate 31, a group of insulating positioning screws 30 connected with the group of insulating base positioning holes 29 and the group of rectangular conducting plate positioning holes 32, a rectangular conducting plate wiring hole 35 arranged in one end of the rectangular conducting plate 31 and located on one side of the group of insulating base positioning holes 29, and a second fastening screw 36 matched with the rectangular conducting plate wiring hole 35 for use.

Example two

An explosion-proof switch as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 is composed of a housing assembly, a sliding assembly used in cooperation with the housing assembly, and a wiring assembly used in cooperation with the sliding assembly; the shell assembly comprises a hollow rectangular shell 1, positioning blocks 23 arranged at four corners of the top of the hollow rectangular shell 1, positioning block positioning holes 24 arranged in the positioning blocks 23, a shell cover 25 matched with the hollow rectangular shell 1, shell cover positioning holes 26 arranged at four corners of the shell cover 25, positioning screws 27 connected with the positioning block positioning holes 24 and the shell cover positioning holes 26, an internal thread hollow lead wire sleeve 4 arranged at one end of the hollow rectangular shell 1, an external thread hollow limiting column 5 connected with the internal thread hollow lead wire sleeve 4, a first positioning plate 6 and a second positioning plate 8 which are arranged at one end of the hollow rectangular shell 1 and symmetrically arranged at two sides of the internal thread hollow lead wire sleeve 4, and a first positioning plate positioning hole 7 and a second positioning plate positioning hole 9 which are respectively arranged in the first positioning plate 6 and the second positioning plate 8, a square hollow positioning block 2 arranged at the other end of the hollow rectangular shell 1, and a hollow incoming line guide sleeve 3 arranged at one end of the square hollow positioning block 2; the sliding component comprises a bearing positioning sleeve 12 arranged in a square hollow positioning block 2, a bearing 13 arranged in the bearing positioning sleeve 12, a vertical positioning sleeve 10 arranged on the square hollow positioning block 2, a limiting hole 11 arranged in the vertical positioning sleeve 10, a rotating shaft 14 penetrating through the limiting hole 11, the square hollow positioning block 2 and connected with the bearing 13, a rotating shaft connecting hole 15 arranged at one end of the rotating shaft 14, a rotating rod 16 connected with the rotating shaft 14, a rotating rod positioning screw 17 matched with the rotating shaft connecting hole 15 and the rotating rod 16, a rotating rod connecting hole 19 arranged in one end of the rotating rod 16, a handheld insulating sleeve 20 matched with the rotating rod connecting hole 19, a handheld insulating sleeve positioning hole 21 arranged in the handheld insulating sleeve 20, and an insulating positioning screw 18 matched with the rotating rod connecting hole 19 and the handheld insulating sleeve positioning hole 21, The insulating positioning nut 22, and the conducting plate 38 set on the rotating shaft 14, and the conducting plate wiring hole 39 set in the conducting plate 38, and the first fastening screw 40 used in cooperation with the conducting plate wiring hole 39; the wiring assembly comprises an insulating base 28 arranged in a hollow rectangular shell 1, a group of insulating base positioning holes 29 arranged in one end of the insulating base 28, a rectangular conducting plate 31 matched with the insulating base 28, a group of rectangular conducting plate positioning holes 32 arranged in one end of the rectangular conducting plate 31 and matched with the group of insulating base positioning holes 29, a group of vertical conducting wire columns 37 arranged on the other end of the rectangular conducting plate 31, and a group of insulating base positioning holes 29, a set of insulating positioning screws 30 connected with the set of rectangular conducting plate positioning holes 32, a rectangular conducting plate wiring hole 35 arranged in one end of the rectangular conducting plate 31 and positioned at one side of the set of insulating base positioning holes 29, a second fastening screw 36 matched with the rectangular conducting plate wiring hole 35, and a set of insulating positioning screw positioning sleeves 33 symmetrically arranged on one side of the shell cover 25 and matched with the set of insulating positioning screws 30.

EXAMPLE III

An explosion-proof switch as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 is composed of a housing assembly, a sliding assembly used in cooperation with the housing assembly, and a wiring assembly used in cooperation with the sliding assembly; the shell assembly comprises a hollow rectangular shell 1, positioning blocks 23 arranged at four corners of the top of the hollow rectangular shell 1, positioning block positioning holes 24 arranged in the positioning blocks 23, a shell cover 25 matched with the hollow rectangular shell 1, shell cover positioning holes 26 arranged at four corners of the shell cover 25, positioning screws 27 connected with the positioning block positioning holes 24 and the shell cover positioning holes 26, an internal thread hollow lead wire sleeve 4 arranged at one end of the hollow rectangular shell 1, an external thread hollow limiting column 5 connected with the internal thread hollow lead wire sleeve 4, a first positioning plate 6 and a second positioning plate 8 which are arranged at one end of the hollow rectangular shell 1 and symmetrically arranged at two sides of the internal thread hollow lead wire sleeve 4, and a first positioning plate positioning hole 7 and a second positioning plate positioning hole 9 which are respectively arranged in the first positioning plate 6 and the second positioning plate 8, a square hollow positioning block 2 arranged at the other end of the hollow rectangular shell 1, and a hollow incoming line guide sleeve 3 arranged at one end of the square hollow positioning block 2; the sliding component comprises a bearing positioning sleeve 12 arranged in a square hollow positioning block 2, a bearing 13 arranged in the bearing positioning sleeve 12, a vertical positioning sleeve 10 arranged on the square hollow positioning block 2, a limiting hole 11 arranged in the vertical positioning sleeve 10, a rotating shaft 14 penetrating through the limiting hole 11, the square hollow positioning block 2 and connected with the bearing 13, a rotating shaft connecting hole 15 arranged at one end of the rotating shaft 14, a rotating rod 16 connected with the rotating shaft 14, a rotating rod positioning screw 17 matched with the rotating shaft connecting hole 15 and the rotating rod 16, a rotating rod connecting hole 19 arranged in one end of the rotating rod 16, a handheld insulating sleeve 20 matched with the rotating rod connecting hole 19, a handheld insulating sleeve positioning hole 21 arranged in the handheld insulating sleeve 20, and an insulating positioning screw 18 matched with the rotating rod connecting hole 19 and the handheld insulating sleeve positioning hole 21, The insulating positioning nut 22, and the conducting plate 38 set on the rotating shaft 14, and the conducting plate wiring hole 39 set in the conducting plate 38, and the first fastening screw 40 used in cooperation with the conducting plate wiring hole 39; the wiring assembly comprises an insulating base 28 arranged in a hollow rectangular shell 1, a group of insulating base positioning holes 29 arranged in one end of the insulating base 28, a rectangular conducting plate 31 matched with the insulating base 28 for use, a group of rectangular conducting plate positioning holes 32 arranged in one end of the rectangular conducting plate 31 and matched with the group of insulating base positioning holes 29 for use, a group of vertical conducting wire columns 37 arranged on the other end of the rectangular conducting plate 31, a group of insulating positioning screws 30 connected with the group of insulating base positioning holes 29 and the group of rectangular conducting plate positioning holes 32, a rectangular conducting plate wiring hole 35 arranged in one end of the rectangular conducting plate 31 and positioned at one side of the group of insulating base positioning holes 29, a second fastening screw 36 matched with the rectangular conducting plate wiring hole 35 for use, and a group of insulating positioning screw positioning sleeves 33 symmetrically arranged at one side of a shell cover 25 and matched with the group of insulating positioning screws 30 for use, and an insulating spring 34 disposed on the set of insulating set screws 30 and cooperating with the rectangular conductive plate 31.

In the explosion-proof switch according to the first or second or third embodiment of the present invention, the bearing 13 is an insulating bearing, and the rotating shaft 14 is an insulating rotating shaft.

The explosion-proof switch of the first structural embodiment or the second structural embodiment or the third structural embodiment has the advantages that the design structure is reasonable, the shell assembly, the sliding assembly and the wiring assembly which are matched with each other are structurally strong in toughness and stable in wire connection and fixing state, the continuity and stability of the operation state of the assembled line are guaranteed, the whole structure is convenient to disassemble and assemble, meanwhile, the whole structure is explosion-proof and excellent in waterproof performance, and the safety of line assembly and connection operation is improved.

The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.

Claims

1. An explosion-proof switch, characterized in that: the device consists of a shell component, a sliding component matched with the shell component for use, and a wiring component matched with the sliding component for use; the shell component comprises a hollow rectangular shell (1), positioning blocks (23) arranged at four corners of the top of the hollow rectangular shell (1), positioning block positioning holes (24) arranged in the positioning blocks (23), a shell cover (25) matched with the hollow rectangular shell (1), shell cover positioning holes (26) arranged in four corners of the shell cover (25), positioning screws (27) connected with the positioning block positioning holes (24) and the shell cover positioning holes (26), an internal thread hollow lead wire sleeve (4) arranged at one end of the hollow rectangular shell (1), an external thread hollow limiting column (5) connected with the internal thread hollow lead wire sleeve (4), a first positioning plate (6) and a second positioning plate (8) which are arranged at one end of the hollow rectangular shell (1) and symmetrically arranged at two sides of the internal thread hollow lead wire sleeve (4), a first positioning plate positioning hole (7) and a second positioning plate positioning hole (9) which are respectively arranged in the first positioning plate (6) and the second positioning plate (8), a square hollow positioning block (2) arranged at the other end of the hollow rectangular shell (1), and a hollow wire inlet guide sleeve (3) arranged at one end of the square hollow positioning block (2); the sliding component comprises a bearing positioning sleeve (12) arranged in a square hollow positioning block (2), a bearing (13) arranged in the bearing positioning sleeve (12), a vertical positioning sleeve (10) arranged on the square hollow positioning block (2), a limiting hole (11) arranged in the vertical positioning sleeve (10), a rotating shaft (14) which penetrates through the limiting hole (11) and the square hollow positioning block (2) and is connected with the bearing (13), a rotating shaft connecting hole (15) arranged at one end of the rotating shaft (14), a rotating rod (16) connected with the rotating shaft (14), a rotating rod positioning screw (17) matched with the rotating shaft connecting hole (15) and the rotating rod (16), a rotating rod connecting hole (19) arranged in one end of the rotating rod (16), a handheld insulating sleeve (20) matched with the rotating rod connecting hole (19), and a handheld insulating positioning hole (21) arranged in the handheld insulating sleeve (20), the insulation positioning screw (18) and the insulation positioning nut (22) are matched with the rotating rod connecting hole (19) and the handheld insulation sleeve positioning hole (21) for use, the conductive plate (38) is arranged on the rotating shaft (14), the conductive plate wiring hole (39) is formed in the conductive plate (38), and the first fastening screw (40) is matched with the conductive plate wiring hole (39) for use; the wiring assembly comprises an insulating base (28) arranged in a hollow rectangular shell (1), a group of insulating base positioning holes (29) arranged in one end of the insulating base (28), a rectangular conductive plate (31) matched with the insulating base (28) for use, a group of rectangular conductive plate positioning holes (32) arranged in one end of the rectangular conductive plate (31) and matched with the group of insulating base positioning holes (29) for use, a group of vertical wire columns (37) arranged on the other end of the rectangular conductive plate (31), and a group of insulating base positioning holes (29), a group of insulating positioning screws (30) connected with the group of rectangular conducting plate positioning holes (32), a rectangular conducting plate wiring hole (35) arranged in one end of the rectangular conducting plate (31) and positioned at one side of the group of insulating base positioning holes (29), and a second fastening screw rod (36) matched with the rectangular conducting plate wiring hole (35).

2. An explosion-proof switch according to claim 1, wherein: the explosion-proof switch further comprises a group of insulating positioning screw positioning sleeves (33) which are symmetrically arranged on one surface of the shell cover (25) and matched with the group of insulating positioning screws (30) for use.

3. An explosion-proof switch according to claim 1 or 2, wherein: the explosion-proof switch further comprises an insulating spring (34) which is arranged on the group of insulating positioning screws (30) and is matched with the rectangular conducting plate (31) for use.

4. An explosion-proof switch according to claim 1, wherein: the bearing (13) is an insulating bearing, and the rotating shaft (14) is an insulating rotating shaft.