CN104240986A - Mine waterproof switch - Google Patents
Mine waterproof switch Download PDFInfo
- Publication number
- CN104240986A CN104240986A CN201310241569.2A CN201310241569A CN104240986A CN 104240986 A CN104240986 A CN 104240986A CN 201310241569 A CN201310241569 A CN 201310241569A CN 104240986 A CN104240986 A CN 104240986A
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- base
- switch
- sealing gasket
- spring
- breach
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- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
The invention provides a mine waterproof switch which comprises a shell, a sealing gasket, a switch seat, a key cap, a spring and a switch core. A pressing hole is formed in the middle portion of a bottom plate of the shell, the middle position below the sealing gasket and the middle position below the switch seat are respectively provided with a round protruding rib protruding downwards, and the protruding ribs are matched with each other. The sealing gasket is arranged above the pressing hole of the shell, the switch seat is arranged above the sealing gasket, and the key cap is arranged above the sealing gasket and is located in the switch seat. The key cap is in downward contact with the sealing gasket through the bottom face of the key cap. The lower portion of the spring is movably arranged in the key cap, and the upper portion of the spring is connected with a spring sleeve connection part of the switch core in a sleeved mode. A pressing guide rod of the switch core is in contact with or is fixedly connected with the key cap, and the switch seat, a cushion block and the shell are fixedly connected. The mine waterproof switch is simple in structure and low in cost. The downward protruding ribs are arranged on the sealing gasket and the base, and thus the waterproof performance is greatly improved. Cascade connection is convenient, and the installation space of electrical equipment is saved.
Description
Technical field
The present invention relates to the switch of underground coal mine electric equipment, be specifically related to a kind of mining low pressure (below 220V) water proof switch.
Background technology
In low pressure (below the 220V) electric equipment of domestic underground coal mine, need to use a large amount of water proof switchs, and water proof switch need meet the degree of protection requirement of more than IP54.The waterproof sealing switch of existing underground coal mine, usually adopts commercial waterproof sealing switch on the market, can not meet the environment for use requirement of more than IP54 degree of protection completely effectively.At present, the water proof switch meeting underground coal mine instructions for use is shown in research, if Authorization Notice No. is the Chinese patent literature of CN201117498Y, it discloses a kind of protection switch for mining, its weak point is: structure relative complex, and cost is higher and can not realize cascade easily.
Summary of the invention
The object of the invention is: overcome the deficiencies in the prior art, provide that a kind of structure is simple, cost is lower, water resistance good and cascade a kind of mining water proof switch easily.
Technical scheme of the present invention is: mining water proof switch of the present invention, and comprise housing, housing comprises base plate, and the base plate middle part of housing is provided with pressing hole; Its design feature is: also comprise sealing gasket, switch base, button cap, spring and switch core;
The centre position, below of above-mentioned sealing gasket is provided with a circular outstanding convex tendon downwards; Switch base comprises base, intermediate cylindrical body and the upper cylinder part that one from top to bottom connects; The overall ovalize flat of base of switch base, the middle part of base is circular upward and downward through hole, and above the left end of the long axis direction of base, be provided with the breach cut out from the top down, thus form left engaging lug in the below of breach, the middle part of left engaging lug is provided with installing hole; Be provided with the breach cut out from bottom to top below the right-hand member of the long axis direction of base, thus above breach, form right engaging lug, the middle part of right engaging lug is provided with installing hole; And left engaging lug is identical with the shape of right engaging lug; The middle part of base is provided with outstanding convex tendon downwards; The intermediate cylindrical body of switch base is the column member of hollow, and the lower end of intermediate cylindrical body is connected with the upper end one of base; Upper cylinder part is the column member of hollow, and the lower end of upper cylinder part is connected with the upper end one of intermediate cylindrical body; Base, intermediate cylindrical body and upper cylinder part surround formation first inner chamber and the second inner chamber jointly;
The column member of the hollow that button cap is one end open, one end is closed; The external diameter of spring and the internal diameter of button cap adapt; Switch core comprises pressing guide rod that one connects, spring socket part, cylinder part and contact; The internal diameter of the upper cylinder part of switch base is less than the external diameter of the cylinder part of switch core;
Cushion block is provided with identical 2 pieces of structure; Above the shape of cushion block and the left end of switch base, below breach and right-hand member, the shape of breach adapts; And the centre of cushion block is provided with installing hole;
Sealing gasket is arranged on the top of the pressing hole of housing, and the base of switch base is located at the top of sealing gasket, and the convex tendon of base matches with the convex tendon of sealing gasket; Button cap is located at the top of sealing gasket and is positioned at the first inner chamber of switch base; Button cap contacts with sealing gasket downwards with its bottom surface; The bottom of spring is placed in button cap movably, and the top of spring and the spring socket part of switch core are socketed; The pressing guide rod of switch core contacts with button cap or is fixedly connected with; 2 cushion blocks divide left and right to be arranged in 2 breach of switch base; Switch base, cushion block are fixedly connected with housing.
Further scheme is: the material of above-mentioned sealing gasket is rubber; The entirety of sealing gasket is ellipse circular substantially, its major axis to the amputation of two ends, left and right, and the middle at its two ends, left and right is respectively provided with the semicircular indentations that an installation is stepped down.
The present invention has positive effect: (1) mining water proof switch of the present invention, and structure is simple, and cost is lower.(2) mining water proof switch of the present invention, by arranging downward convex tendon on sealing gasket and base, thus drastically increases water resistance.(1) mining water proof switch of the present invention, cascade is convenient, can carry out cascade easily, save the installing space of electric equipment according to needing of using of underground coal mine.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention, in figure, have employed simplified painting to housing;
Fig. 2 is that Fig. 1 removes cushion block and mounting screw and structural representation after carrying out broken section;
Fig. 3 is the structural representation after Fig. 1 removes cushion block, mounting screw and housing;
Fig. 4 is the upward view of Fig. 3;
Fig. 5 is the decomposing schematic representation of Fig. 3;
Fig. 6 is the structural representation after the mutual cascade of mining water proof switch shown in 2 Fig. 1, has carried out broken section in figure to cascade position.
Reference numeral in above-mentioned accompanying drawing is as follows:
Housing 1, pressing hole 11,
Sealing gasket 2, semicircular indentations 21, convex tendon 22,
Switch base 3, base 31, convex tendon 31-1, left engaging lug 31-2, installing hole 31-2-1, right engaging lug 31-3, installing hole 31-3-1, intermediate cylindrical body 32, upper cylinder part 33, first inner chamber 34, second inner chamber 35,
Button cap 4,
Spring 5,
Switch core 6, pressing guide rod 61, spring socket part 62, cylinder part 63, contact 64,
Cushion block 7.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
(embodiment 1)
See Fig. 1 and Fig. 2, the mining water proof switch of the present embodiment, form primarily of housing 1, sealing gasket 2, switch base 3, button cap 4, spring 5 and switch core 6.
The material of housing 1 is Q235 stainless steel.Housing 1 can adopt the casing as the shape such as square, circular.The pars intermedia of the base plate of housing 1 is provided with the through hole of a upward and downward, as the pressing hole 11 of switch.
See Fig. 4 and Fig. 5, the material of sealing gasket 2 is rubber.The global shape of sealing gasket 2 is ellipse circular substantially, its major axis to the amputation of two ends, left and right, and the middle at its two ends, left and right is respectively provided with the semicircular indentations 21 that an installation is stepped down, and is provided with a circular outstanding convex tendon 22 in the middle of the below of sealing gasket 2 downwards.
See Fig. 3 and Fig. 5, the material of switch base 3 is plastics.Switch base 3 is integrally made up of base 31, intermediate cylindrical body 32 and upper cylinder part 33.The overall basic ovalize flat of base 31, the middle part of base 31 is circular upward and downward through hole, and above the left end of the long axis direction of base 31, be provided with the breach cut out from the top down, thus forming left engaging lug 31-2 in the below of breach, the middle part of left engaging lug 31-2 is provided with installing hole 31-2-1; Be provided with the breach cut out from bottom to top below the right-hand member of the long axis direction of base 31, thus above breach, form right engaging lug 31-3, the middle part of right engaging lug 31-3 is provided with installing hole 31-3-1; And left engaging lug 31-2 is identical with the shape of right engaging lug 31-3, symmetrical up and down in left and right sides.The middle part of base 31 is provided with outstanding convex tendon 31-1 downwards; And this convex tendon 31-1 matches with the convex tendon 22 of sealing gasket 2.Intermediate cylindrical body 32 is the column member of hollow, and the lower end of intermediate cylindrical body 32 is connected with the upper end one of base 31; Upper cylinder part 33 is the column member of hollow, and the lower end of upper cylinder part 33 is connected with the upper end one of intermediate cylindrical body 32; Base 31, intermediate cylindrical body 32 and upper cylinder part 33 surround formation first inner chamber 36 and the second inner chamber 37 jointly.
See Fig. 2 and Fig. 5, the material of button cap 4 is stainless steel, the column member of the hollow that button cap 4 is one end open, one end is closed.
Spring 5 is helical spring, and the external diameter of spring 5 and the internal diameter of button cap 4 adapt.
See Fig. 2 and Fig. 5, switch core 6 is made up of the pressing guide rod 61 integrally connected, spring socket part 62, cylinder part 63 and contact 64.The internal diameter of the upper cylinder part 33 of switch base 3 is less than the external diameter of the cylinder part 63 of switch core 6.
Still see Fig. 1, cushion block 7 is provided with identical 2 pieces of structure, and above the shape of cushion block 7 and the left end of switch base 3, below breach and right-hand member, the shape of breach adapts.And the centre of cushion block 7 is equipped with installing hole.
During installation, button cap 4 is arranged on the top of the pressing hole 11 of the pars intermedia of the base plate of housing 1, and is positioned at the first inner chamber 36 of switch base 3; Button cap 4 is located at the top of sealing gasket 2, and button cap 4 contacts with sealing gasket 2 downwards with its bottom surface; The bottom of spring 5 is placed in button cap 4 movably, and the top of spring 5 and the spring socket part 62 of switch core 6 are socketed; The pressing guide rod 61 of switch core 6 contacts with button cap 4 or is fixedly connected with; After in 2 breach that 2 cushion blocks about 7 points are arranged on switch base, be fixedly mounted on housing 1 by screw.Thus complete the installation of the mining water proof switch of the present embodiment.
See Fig. 6, during the mutual cascade of the mining water proof switch of the present embodiment, the cushion block 7 of the lower right-hand side of the mining water proof switch of the 1st the present embodiment is only needed to remove, after cushion block 7 above the left side of the mining water proof switch of the 2nd the present embodiment is removed, again by after the left engaging lug 31-1 grafting of the mining water proof switch of right engaging lug right engaging lug 31-2 and the 2nd the present embodiment of the mining water proof switch of the 1st the present embodiment, be screwed and can realize cascade.
By identical method, the mining water proof switch of the present embodiment can be cascaded into 3 one, 4 one according to actual needs, the like.
To sum up, the mining water proof switch of the present embodiment, structure is simple, and cost is lower; By arranging downward convex tendon on sealing gasket and base, thus drastically increase water resistance; Cascade is convenient, can carry out cascade, save the installing space in electric equipment according to needing of using of underground coal mine.
Above embodiment is the explanation to the specific embodiment of the present invention; but not limitation of the present invention; person skilled in the relevant technique without departing from the spirit and scope of the present invention; can also make various conversion and change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes all should be included into scope of patent protection of the present invention.
Claims (2)
1. a mining water proof switch, comprises housing (1), and housing (1) comprises base plate, and the base plate middle part of housing (1) is provided with pressing hole (11); It is characterized in that: also comprise sealing gasket (2), switch base (3), button cap (4), spring (5) and switch core (6);
The centre position, below of described sealing gasket (2) is provided with a circular outstanding convex tendon (22) downwards; Switch base (3) comprises base (31), intermediate cylindrical body (32) and the upper cylinder part (33) that one from top to bottom connects; The overall ovalize flat of base (31) of switch base (3), the middle part of base (31) is circular upward and downward through hole, and be provided with the breach cut out from the top down above the left end of the long axis direction of base (31), thus forming left engaging lug (31-2) in the below of breach, the middle part of left engaging lug (31-2) is provided with installing hole (31-2-1); Be provided with the breach cut out from bottom to top below the right-hand member of the long axis direction of base (31), thus above breach, form right engaging lug (31-3), the middle part of right engaging lug (31-3) is provided with installing hole (31-3-1); And left engaging lug (31-2) is identical with the shape of right engaging lug (31-3); The middle part of base (31) is provided with outstanding convex tendon (31-1) downwards; The column member that the intermediate cylindrical body (32) of switch base (3) is hollow, the lower end of intermediate cylindrical body (32) is connected with the upper end one of base (31); The column member that upper cylinder part (33) is hollow, the lower end of upper cylinder part (33) is connected with the upper end one of intermediate cylindrical body (32); Base (31), intermediate cylindrical body (32) and upper cylinder part (33) surround formation first inner chamber (36) and the second inner chamber (37) jointly;
The column member of the hollow that button cap (4) is one end open, one end is closed; The external diameter of spring (5) and the internal diameter of button cap (4) adapt; Switch core (6) comprises pressing guide rod (61) that one connects, spring socket part (62), cylinder part (63) and contact (64); The internal diameter of the upper cylinder part (33) of switch base (3) is less than the external diameter of the cylinder part (63) of switch core (6);
Cushion block (7) is provided with identical 2 pieces of structure; Above the shape of cushion block (7) and the left end of switch base (3), below breach and right-hand member, the shape of breach adapts; And the centre of cushion block (7) is provided with installing hole;
Sealing gasket (2) is arranged on the top of the pressing hole (11) of housing (1), and the base (31) of switch base (3) is located at the top of sealing gasket (2), and the convex tendon (31-1) of base (31) matches with the convex tendon (22) of sealing gasket (2); Button cap (4) is located at the top of sealing gasket (2) and is positioned at first inner chamber (36) of switch base (3); Button cap (4) contacts with sealing gasket (2) downwards with its bottom surface; The bottom of spring (5) is placed in button cap (4) movably, and the top of spring (5) and the spring socket part (62) of switch core (6) are socketed; The pressing guide rod (61) of switch core (6) contacts with button cap (4) or is fixedly connected with; 2 cushion block (7) point left and right are arranged in 2 breach of switch base (3); Switch base (3), cushion block (7) are fixedly connected with housing (1).
2. mining water proof switch according to claim 1, is characterized in that: the material of described sealing gasket (2) is rubber; The entirety of sealing gasket (2) is ellipse circular substantially, its major axis to the amputation of two ends, left and right, and the middle at its two ends, left and right is respectively provided with the semicircular indentations (21) that an installation is stepped down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310241569.2A CN104240986B (en) | 2013-06-18 | 2013-06-18 | Mining water proof switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310241569.2A CN104240986B (en) | 2013-06-18 | 2013-06-18 | Mining water proof switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104240986A true CN104240986A (en) | 2014-12-24 |
| CN104240986B CN104240986B (en) | 2016-02-03 |
Family
ID=52228877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310241569.2A Expired - Fee Related CN104240986B (en) | 2013-06-18 | 2013-06-18 | Mining water proof switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104240986B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2710129Y (en) * | 2004-06-25 | 2005-07-13 | 康佳集团股份有限公司 | Power supply push-button mechanism |
| CN201859787U (en) * | 2010-10-29 | 2011-06-08 | 三一重型装备有限公司 | Sealing device for coil missing protection switch of explosion suppression cable drum |
| CN202915314U (en) * | 2012-12-04 | 2013-05-01 | 厦门汉文鼎科技发展有限公司 | Sealing structure of headlamp button |
| CN203351470U (en) * | 2013-06-18 | 2013-12-18 | 天地（常州）自动化股份有限公司 | Mining waterproof switch |
-
2013
- 2013-06-18 CN CN201310241569.2A patent/CN104240986B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2710129Y (en) * | 2004-06-25 | 2005-07-13 | 康佳集团股份有限公司 | Power supply push-button mechanism |
| CN201859787U (en) * | 2010-10-29 | 2011-06-08 | 三一重型装备有限公司 | Sealing device for coil missing protection switch of explosion suppression cable drum |
| CN202915314U (en) * | 2012-12-04 | 2013-05-01 | 厦门汉文鼎科技发展有限公司 | Sealing structure of headlamp button |
| CN203351470U (en) * | 2013-06-18 | 2013-12-18 | 天地（常州）自动化股份有限公司 | Mining waterproof switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104240986B (en) | 2016-02-03 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20210618 |
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| CF01 | Termination of patent right due to non-payment of annual fee |