CN211088136U - Large-angle large-current arc-proof toggle switch - Google Patents
Large-angle large-current arc-proof toggle switch Download PDFInfo
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- CN211088136U CN211088136U CN201922082325.XU CN201922082325U CN211088136U CN 211088136 U CN211088136 U CN 211088136U CN 201922082325 U CN201922082325 U CN 201922082325U CN 211088136 U CN211088136 U CN 211088136U
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Abstract
The utility model provides a wide-angle heavy-current arc-proof button switch, which comprises a movable contact piece component, a base component, an upper seat and an operation component; the movable contact piece assembly is installed on the base assembly, the operating assembly is installed in the base assembly 4, the upper end of the movable contact piece assembly is connected with the operating assembly, the operating assembly stirs the movable contact piece assembly through a shifting fork to enable the movable contact piece assembly to be in contact with the conducting assembly on the base assembly, and the movable contact piece assembly is provided with an arc extinguishing device. The utility model discloses an adopted shift fork and two pressure spring switching-over structures, the elasticity that utilizes the pressure spring to produce makes the switch realize the break-make function. An electric arc separation blade is added to a movable contact spring inside the switch, and the function of high current of the switch is realized by utilizing the special angle of the electric arc separation blade.
Description
Technical Field
The utility model relates to an arc-proof toggle switch is prevented to wide-angle heavy current.
Background
The toggle switch is also called toggle switch, lever switch, and the moving contact of switch is driven by pulling handle to complete circuit conversion, the pulling angle of the toggle switch is generally 20-30 degrees, the internal structure has no arc-proof measure and the rated load is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a wide-angle heavy current prevents arc button switch.
The utility model discloses a following technical scheme can realize.
The utility model provides a wide-angle heavy current arc-proof button switch, which comprises a movable contact piece component, a base component, an upper seat and an operation component; the movable contact piece assembly is installed on the base assembly, the operating assembly is installed in the base assembly 4, the upper end of the movable contact piece assembly is connected with the operating assembly, the operating assembly stirs the movable contact piece assembly through a shifting fork to enable the movable contact piece assembly to be in contact with the conducting assembly on the base assembly, and the movable contact piece assembly is provided with an arc extinguishing device.
The base component further comprises a base, three through holes with circle centers on the same straight line are machined in the center and the two sides of the bottom of the base, the conductive component comprises conductive pieces and middle conductive pieces, the conductive pieces are fixedly connected in the through holes in the center of the base and are arranged into two through holes in the two sides of the bottom of the base respectively, fixed contacts are installed on the side faces of the upper ends of the conductive pieces, a support column is machined in the top end of the middle conductive piece, and a support is installed on the support column.
The support is installed on the support column on conductive component top through the centre bore of its bottom, and the rigid coupling has a support wall respectively on the both sides of support, and support wall top both sides are processed respectively and are had a spacing groove, and the processing of two adjacent side middle parts of support wall has the separation blade.
The movable contact piece assemblies are two groups, the two groups of movable contact piece assemblies are symmetrically arranged on the supporting wall, each group of movable contact piece assemblies comprises a spring pressing sleeve, a pressure spring and a contact assembly, a hollow cylinder is processed in the spring pressing sleeve, a baffle is arranged at one end of the spring pressing sleeve, a spherical groove is processed in the outer center of the baffle, a first spring column is fixedly connected in the baffle, the pressure spring is arranged on the first spring column in the spring pressing sleeve, and the other end of the pressure spring is arranged on the contact assembly.
The contact assembly comprises a movable contact piece and a movable contact, the movable contact piece is V-shaped, rotary columns are fixedly connected to two sides of an opening of the movable contact piece and are installed in opposite limiting grooves in two supporting walls of the base assembly, a through hole and a second spring column are processed at the joint of the movable contact piece, the second spring column is fixedly connected to the outer wall of the through hole and is arranged in the V-shaped groove of the movable contact piece, and the movable contact is installed in the through hole, and the contact end of the movable contact is opposite to the fixed contact.
The arc extinguishing device is an arc blocking piece which is fixedly connected to the movable contact through a through hole in the arc blocking piece, and a movable contact sleeve is further installed between the movable contact and is arranged on the movable contact. After the electric arc baffle is fixed on the movable contact, the electric arc generated when the movable contact contacts with the contact on the conductive piece is blocked by the baffle, so that the internal structure of the switch is prevented from being damaged.
The side walls of the movable contact piece component and the movable contact piece component are fixedly connected together through bolts, a sealing gasket is arranged at the joint, an opening is formed in the upper end of the movable contact piece component 4, and a cover component is arranged at the opening to seal the opening.
The operating assembly comprises a handle, the lower end of the handle extends into the upper seat through a through hole in the middle of the cover assembly, the lower end of the handle is fixedly connected with the shifting fork, the joint of the handle and the cover assembly is processed into a spherical shape, and a waterproof gasket, a waterproof ferrule, a plastic ferrule and a metal gasket are sequentially mounted on the cover assembly.
Two spherical bulges are processed at the tail end of the shifting fork and are respectively assembled in spherical grooves at the upper ends of two spring pressing sleeves in the two groups of movable contact assemblies.
The beneficial effects of the utility model reside in that: by adopting the shifting fork and the reversing structure with the double compression springs, the switch is prompted to realize the on-off function by the elasticity generated by the compression springs. An electric arc separation blade is added to a movable contact spring inside the switch, and the function of high current of the switch is realized by utilizing the special angle of the electric arc separation blade.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the base structure of the present invention;
fig. 3 is a schematic structural view of the movable contact spring of the present invention;
FIG. 4 is a schematic view of the structure of the mounting bolt of the present invention;
in the figure: 1-moving contact assembly, 101-moving contact, 102-moving contact sleeve, 103-arc baffle, 104-moving contact, 2-base assembly, 201-conductive assembly, 202-base, 203-conductive member, 204-middle conductive member, 205-fixed contact, 206-bracket, 207-supporting wall, 208-limiting groove, 209-baffle, 3-cover assembly, 301-cover, 302-installation screw sleeve, 4-upper seat, 5-sealing washer, 6-waterproof washer, 7-waterproof ring, 8-plastic ring, 9-spring pressing cap, 10-spring pressing sleeve, 11-handle, 12-pressing spring, 13-metal washer, 14-long rivet, 15-pressing coil and 16-shifting fork.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
A large-angle large-current arc-proof button switch comprises a movable contact piece assembly 1, a base assembly 2, an upper seat 4 and an operation assembly; the movable contact assembly 1 is installed on the base assembly 2, the operating assembly is installed in the base assembly 4, the upper end of the movable contact assembly 1 is connected with the operating assembly, the operating assembly stirs the movable contact assembly 1 through the shifting fork 16 to enable the movable contact assembly 1 to be in contact with the conducting assembly 201 on the base assembly 2, and the movable contact assembly 1 is provided with an arc extinguishing device.
The bracket 206 is installed on the supporting column at the top end of the conductive component 201 through a central hole at the bottom of the bracket, two supporting walls 207 are respectively and fixedly connected to two sides of the bracket 206, two limiting grooves 208 are respectively processed on two sides of the top of each supporting wall 207, and a blocking piece 209 is processed in the middle of the adjacent side of each supporting wall 207.
The movable contact piece assemblies 1 are two groups, the two groups of movable contact piece assemblies 1 are symmetrically arranged on the supporting wall 207, each group of movable contact piece assemblies 1 comprises a spring pressing sleeve 10, a pressure spring 12 and a contact assembly, a hollow cylinder is processed in the spring pressing sleeve 10, a baffle is arranged at one end of the spring pressing sleeve 10, a spherical groove is processed in the outer center of the baffle, a first spring column is fixedly connected in the baffle, the pressure spring 12 is arranged on the first spring column in the spring pressing sleeve 10, and the other end of the pressure spring is arranged on the contact assembly.
The contact assembly comprises a movable contact 101 and a movable contact 104, the movable contact 101 is V-shaped, rotating columns are fixedly connected to two sides of an opening of the movable contact 101 and are installed in opposite limiting grooves 208 on two supporting walls 207 of the base assembly 2, a through hole and a second spring column are processed at the joint of the movable contact 101, the second spring column is fixedly connected to the outer wall of the through hole and is in the V-shaped groove of the movable contact 101, and the movable contact 104 is installed in the through hole, and the contact end of the movable contact is opposite to the fixed contact 205.
The arc extinguishing device is an arc blocking piece 103, the arc blocking piece 103 is fixedly connected to a movable contact 104 through a through hole on the arc blocking piece, and a movable contact sleeve 102 is further installed between the movable contact 104 and the movable contact 101 and is arranged on the movable contact 104.
The side walls of the upper seat 4 and the movable contact spring assembly 1 are fixedly connected together through bolts, a sealing gasket 5 is arranged at a joint, an opening is formed in the upper end of the upper seat 4, and a cover assembly 3 is arranged at the opening to seal the opening.
The operating assembly comprises a handle 11, the lower end of the handle 11 extends into the cover assembly 4 through a through hole in the middle of the cover assembly 3, the lower end of the handle 11 is fixedly connected with a shifting fork 16, the joint of the handle 11 and the cover assembly 3 is processed into a spherical shape, and a waterproof gasket 6, a waterproof ferrule 7, a plastic ferrule 8 and a metal gasket 13 are sequentially arranged on the cover assembly 3.
Two spherical protrusions are processed at the tail end of the shifting fork 16 and are respectively assembled in spherical grooves at the upper ends of two spring pressing sleeves 10 in the two groups of movable contact assemblies 1.
As shown in fig. 1, the assembly process of the present invention is to prepare the following components for product assembly: and welding the conductive piece and the fixed contact to complete the conductive piece assembly, then loading the conductive piece assembly and the middle conductive piece into an injection mold together to perform plastic compression to complete the base, and riveting the molded base and the support to complete the base assembly.
And welding the movable contact piece, the movable contact piece sleeve, the arc separation blade and the movable contact together to complete the movable contact piece assembly, and riveting the cover and the mounting shaft sleeve to complete the cover assembly.
Firstly, the base assembly, the long rivet and the sealing washer are fixed on a special fixture, and then the movable contact assembly, the pressure spring, the spring pressing sleeve, the spring pressing cap and the shifting fork are sequentially placed. After the parts are assembled, the upper seat is placed into the clamp to be fixed with the long rivet, and then the metal gasket, the plastic ferrule, the waterproof ferrule and the waterproof gasket are sequentially placed at the joint of the upper seat and the handle. And finally, putting the cover assembly into an upper seat for riveting to finish the switch assembly.
In the design of the large-angle large-current toggle switch, the shifting fork is used for replacing a traditional toggle switch sliding head and two pressure springs are used for completing a large-angle reversing function, and the shifting fork is different from the traditional toggle switch sliding head and can complete the reversing function without contacting a movable contact piece. The handle is pulled to drive the shifting fork to generate rolling friction with the spring pressing cap, and force generated by friction acts on the pressure spring to enable the pressure spring to generate elastic deformation. The elastic force generated by the pressure spring enables the movable contact piece assembly to do circular motion, and the large-angle on-off function of the switch is achieved.
The design of the large-angle large-current toggle switch is an improvement on the basis of the traditional toggle switch. The movable contact piece assembly is formed by riveting a movable contact piece, a movable contact piece sleeve, an electric arc separation blade and a movable contact. The arc separation blade has guaranteed that the electric arc that produces when the switch break-make can not ablate the switch, and the arc separation blade is the stamping workpiece, and the arc separation blade rivets back and movable contact piece and becomes specific angle, when the inside electric arc that produces of switch, can play extinction and restriction effect to electric arc through the arc separation blade. A reversing mechanism in the switch adopts a shifting fork and a double-pressure spring structure.
Under the condition that the switch is not subjected to external force, the shifting fork and the movable contact piece in the switch are in a static state, the handle is in a middle gear, and the conductive pin has no output signal. When the handle is pulled in the Y direction, the movable contact piece moves clockwise to be in contact with the conductive piece, and the on-off position of the switch conductive pin is consistent with the pulling direction of the handle. When the switch returns to the middle gear, all circuits are open.
Claims (9)
1. The utility model provides an arc button switch is prevented to wide-angle heavy current, includes movable contact subassembly (1), base subassembly (2), upper bracket (4), operation subassembly, its characterized in that: the arc extinguishing device is characterized in that the movable contact piece assembly (1) is installed on the base assembly (2), the operating assembly is installed in the base assembly (4), the upper end of the movable contact piece assembly (1) is connected with the operating assembly, the operating assembly stirs the movable contact piece assembly (1) through the shifting fork (16) to enable the movable contact piece assembly (1) to be in contact with the conducting assembly (201) on the base assembly (2), and the movable contact piece assembly (1) is provided with the arc extinguishing device.
2. The large angle high current arc-resistant toggle switch of claim 1, wherein: base subassembly (2) still include base (202), base (202) bottom center and both sides processing have the three through-hole of centre of a circle on a straight line, and conductive component (201) is including electrically conductive piece (203) and well electrically conductive piece (204), and electrically conductive piece (203) rigid coupling is in the through-hole at base (202) center, and electrically conductive piece (203) sets up to two respectively in base (202) bottom both sides through-hole, electrically conductive piece (203) upper end side-mounting has fixed contact (205), well electrically conductive piece (204) top processing has the support column, installs support (206) on the support column.
3. The large angle high current arc-resistant toggle switch of claim 2, wherein: the support (206) is installed on the support column at the top end of the conductive component (201) through the center hole at the bottom of the support, two support walls (207) are fixedly connected to two sides of the support (206) respectively, two limit grooves (208) are processed on two sides of the top of each support wall (207) respectively, and blocking pieces (209) are processed in the middles of the adjacent sides of the two support walls (207).
4. The large angle high current arc-resistant toggle switch of claim 1, wherein: the movable contact piece assemblies (1) are two groups, the two groups of movable contact piece assemblies (1) are symmetrically arranged on the supporting wall (207), the two groups of movable contact piece assemblies (1) comprise spring pressing sleeves (10), pressure springs (12) and contact assemblies, hollow cylinders are processed in the spring pressing sleeves (10), one ends of the spring pressing sleeves (10) are provided with baffles, spherical grooves are processed in the centers of the outer sides of the baffles, first spring columns are fixedly connected in the baffles, the pressure springs (12) are arranged on the first spring columns in the spring pressing sleeves (10), and the other ends of the pressure springs are arranged on the contact assemblies.
5. The large angle high current arc-resistant toggle switch of claim 4, wherein: the contact assembly comprises a movable contact piece (101) and a movable contact (104), the movable contact piece (101) is V-shaped, rotary columns are fixedly connected to two sides of an opening of the movable contact piece (101) and are mounted in opposite limiting grooves (208) on two supporting walls (207) of the base assembly (2), a through hole and a second spring column are processed at the joint of the movable contact piece (101), the second spring column is fixedly connected to the outer wall of the through hole and is in the V-shaped groove of the movable contact piece (101), and the movable contact (104) is mounted in the through hole, and the contact end of the movable contact (104) is opposite to the fixed contact (205).
6. The large angle high current arc-resistant toggle switch of claim 1, wherein: the arc extinguishing device is an arc blocking piece (103), the arc blocking piece (103) is fixedly connected to the movable contact (104) through a through hole on the arc blocking piece, and a movable contact sleeve (102) is further arranged between the movable contact (104) and the movable contact (101) and is arranged on the movable contact (104).
7. The large angle high current arc-resistant toggle switch of claim 1, wherein: the side walls of the movable contact piece component (4) and the movable contact piece component (1) are fixedly connected together through bolts, a sealing gasket (5) is arranged at a joint, an opening is formed in the upper end of the upper seat (4), and the opening is sealed by a cover component (3) arranged at the opening.
8. The large angle high current arc-resistant toggle switch of claim 1, wherein: the operating assembly comprises a handle (11), the lower end of the handle (11) extends into the cover assembly (3) through a through hole in the middle of the cover assembly (3) and is fixedly connected with a shifting fork (16), the joint of the handle (11) and the cover assembly (3) is processed into a spherical shape, and a waterproof gasket (6), a waterproof ferrule (7), a plastic ferrule (8) and a metal gasket (13) are sequentially mounted on the cover assembly (3).
9. The large angle high current arc-resistant toggle switch of claim 8, wherein: two spherical protrusions are processed at the tail end of the shifting fork (16), and the two spherical protrusions are respectively assembled in spherical grooves at the upper ends of two spring pressing sleeves (10) in the two groups of movable contact assemblies (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082325.XU CN211088136U (en) | 2019-11-27 | 2019-11-27 | Large-angle large-current arc-proof toggle switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082325.XU CN211088136U (en) | 2019-11-27 | 2019-11-27 | Large-angle large-current arc-proof toggle switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211088136U true CN211088136U (en) | 2020-07-24 |
Family
ID=71632236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922082325.XU Active CN211088136U (en) | 2019-11-27 | 2019-11-27 | Large-angle large-current arc-proof toggle switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211088136U (en) |
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2019
- 2019-11-27 CN CN201922082325.XU patent/CN211088136U/en active Active
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