CN203351470U - Mining waterproof switch - Google Patents
Mining waterproof switch Download PDFInfo
- Publication number
- CN203351470U CN203351470U CN 201320351377 CN201320351377U CN203351470U CN 203351470 U CN203351470 U CN 203351470U CN 201320351377 CN201320351377 CN 201320351377 CN 201320351377 U CN201320351377 U CN 201320351377U CN 203351470 U CN203351470 U CN 203351470U
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- CN
- China
- Prior art keywords
- switch
- base
- sealing gasket
- spring
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
The utility model provides a mining waterproof switch, which comprises a housing, a sealing gasket, a switch seat, a key cap, a spring and a switch core. The housing has a base plate. The central part of the base plate is provided with a pressing hole. The lower middle positions of the sealing gasket and the switch seat are respectively provided with a round convex rib protruding downwards. The two convex ribs match each other. The sealing gasket is arranged above the pressing hole of the housing. The switch seat is arranged on the sealing gasket. The key cap is arranged above the sealing gasket and located inside the switch seat. The key cap contacts the sealing gasket in a way with the bottom face directed downwards. The lower part of the spring can be movably placed inside the key cap. The upper part of the spring is connected with a spring sleeving part of the switch core in a sleeving way. A pressing guide rod of the switch core contacts the key cap or is fixedly connected with the key cap. The switch seat, cushion blocks and the housing are fixedly connected. The mining waterproof switch with a simple structure has a relatively low cost. By arranging downward convex ribs on the sealing gasket and the seat, the mining waterproof switch has the waterproof performance greatly enhanced. The mining waterproof switch which achieves cascading convenience further makes the installation space of electrical equipment saved.
Description
Technical field
The utility model relates under coal mine the switch that electric equipment is used, and is specifically related to a kind of mining low pressure (220V is following) water proof switch.
Background technology
In low pressure under domestic coal mine (220V is following) electric equipment, need to use a large amount of water proof switchs, and water proof switch need meet the above degree of protection requirement of IP54.Waterproof sealing switch under existing coal mine, adopt commercial waterproof sealing switch on the market usually, can not meet completely effectively the environment for use requirement of the above degree of protection of IP54.At present, the water proof switch that meets instructions for use under coal mine has been shown in research, and as Granted publication number is the Chinese patent literature of CN201117498Y, it discloses a kind of protection switch for mining, its weak point is: the structure relative complex, cost is higher and can not realize easily cascade.
The utility model content
The purpose of this utility model is: overcome the deficiencies in the prior art, provide a kind of simple in structure, cost is lower, water resistance good and cascade a kind of mining water proof switch easily.
The technical solution of the utility model is: mining water proof switch of the present utility model, comprise housing, and housing comprises base plate, 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 the downward outstanding convex tendon of a circle; Switch base comprises base, intermediate cylindrical body and the upper cylinder part that one connects from top to bottom; The whole ovalize flat of the base of switch base, the middle part of base is circular upward and downward through hole, and the left end of the long axis direction of base top is provided with the breach cut out from the top down, thereby forms left engaging lug below breach, and the middle part of left engaging lug is provided with installing hole; The right-hand member below of the long axis direction of base is provided with the breach cut out from bottom to top, thereby forms right engaging lug above breach, and the middle part of right engaging lug is provided with installing hole; And the shape of left engaging lug and right engaging lug is identical; The middle part of base is provided with outstanding convex tendon downwards; The column member that the intermediate cylindrical body of switch base is hollow, the lower end of intermediate cylindrical body is connected with the upper end one of base; The column member that upper cylinder part is hollow, 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 jointly surround and form the first inner chamber and the second inner chamber;
The column member of the hollow that button cap is an end opening, an end sealing; The external diameter of spring and the internal diameter of button cap adapt; Switch core comprises that one connects presses guide rod, 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 of structure; The shape of the shape of cushion block and the left end of switch base top breach and right-hand member below 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, the spring socket part socket of the top of spring and switch core; The guide rod of pressing 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 basic ovalize of the integral body of sealing gasket, its major axis to the amputation of two ends, left and right, and its two ends, left and right in the middle of place respectively be provided with the step down semicircle breach of use of an installation.
The utlity model has positive effect: (1) mining water proof switch of the present utility model, simple in structure, cost is lower.(2) mining water proof switch of the present utility model, by downward convex tendon is set on sealing gasket and base, thereby greatly improved water resistance.(1) mining water proof switch of the present utility model, cascade is convenient, can need to carry out easily cascade according to what use under coal mine, saves the installing space of electric equipment.
The accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model, in figure, housing has been adopted to simplified painting;
Fig. 2 is the structural representation after Fig. 1 removes cushion block and mounting screw and carries out broken section;
Fig. 3 is the structural representation after Fig. 1 removes cushion block, mounting screw and housing;
The upward view that Fig. 4 is Fig. 3;
The decomposing schematic representation that Fig. 5 is Fig. 3;
Fig. 6 is the structural representation after the mutual cascade of mining water proof switch shown in 2 Fig. 1, in figure, broken section has been carried out in the cascade position.
Reference numeral in above-mentioned accompanying drawing is as follows:
Housing 1, pressing hole 11,
Switch core 6, press guide rod 61, spring socket part 62, and cylinder part 63, contact 64,
Cushion block 7.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
(embodiment 1)
See Fig. 1 and Fig. 2, the mining water proof switch of the present embodiment, mainly be comprised of housing 1, sealing gasket 2, switch base 3, button cap 4, spring 5 and switch core 6.
The material of housing 1 is the 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.
Referring to Fig. 4 and Fig. 5, the material of sealing gasket 2 is rubber.The basic ovalize of the global shape of sealing gasket 2, its major axis to the amputation of two ends, left and right, and its two ends, left and right in the middle of place respectively be provided with the step down semicircle breach 21 of use of an installation, be provided with the downward outstanding convex tendon 22 of a circle in the middle of the below of sealing gasket 2.
See Fig. 3 and Fig. 5, the material of switch base 3 is plastics.Switch base 3 is comprised of base 31, intermediate cylindrical body 32 and upper cylinder part 33 one.The whole basic ovalize flat of base 31, the middle part of base 31 is circular upward and downward through hole, and the left end of the long axis direction of base 31 top is provided with the breach cut out from the top down, thereby form left engaging lug 31-2 below breach, the middle part of left engaging lug 31-2 is provided with installing hole 31-2-1; The right-hand member below of the long axis direction of base 31 is provided with the breach cut out from bottom to top, thereby forms right engaging lug 31-3 above breach, and 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, upper and lower symmetrical 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.The column member that intermediate cylindrical body 32 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; The common encirclement of base 31, intermediate cylindrical body 32 and upper cylinder part 33 forms the first inner chamber 36 and the second inner chamber 37.
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 an end opening, an end sealing.
See Fig. 2 and Fig. 5, press guide rod 61, spring socket part 62, cylinder part 63 and contact 64 that switch core 6 is connected by one form.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 of structure, and the shape of the left end top breach of the shape of cushion block 7 and switch base 3 and right-hand member below 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 pressing hole 11 of 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, spring socket part 62 sockets of the top of spring 5 and switch core 6; The guide rod 61 of pressing of switch core 6 contacts or is fixedly connected with button cap 4; 2 cushion blocks are fixedly mounted on housing 1 by screw after being arranged in 2 breach of switch base about 7 minutes.Thereby complete the installation of the mining water proof switch of the present embodiment.
See Fig. 6, during the mutual cascade of mining water proof switch of the present embodiment, only the cushion block 7 of below, the right side of the mining water proof switch of the 1st the present embodiment need to be removed, after the cushion block 7 of top, the left side of the mining water proof switch of the 2nd the present embodiment is removed, after the more left engaging lug 31-1 of the mining water proof switch of the right engaging lug 31-2 of the right engaging lug of the mining water proof switch of the 1st the present embodiment and the 2nd the present embodiment being pegged graft, 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, simple in structure, cost is lower; By downward convex tendon is set on sealing gasket and base, thereby greatly improved water resistance; Cascade is convenient, can carry out cascade according to the needs that use under coal mine, saves the installing space in electric equipment.
Above embodiment is the explanation to embodiment of the present utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not in the situation that break away from spirit and scope of the present utility model; can also make various conversion and variation and obtain the corresponding technical scheme be equal to, therefore all technical schemes that are equal to all should be included into scope of patent protection of the present utility model.
Claims (2)
1. a mining water proof switch, comprise 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 the downward outstanding convex tendon (22) of a circle; Switch base (3) comprises base (31), intermediate cylindrical body (32) and the upper cylinder part (33) that one connects from top to bottom; The whole ovalize flat of base (31) of switch base (3), the middle part of base (31) is circular upward and downward through hole, and the left end of the long axis direction of base (31) top is provided with the breach cut out from the top down, thereby form left engaging lug (31-2) below breach, the middle part of left engaging lug (31-2) is provided with installing hole (31-2-1); The right-hand member below of the long axis direction of base (31) is provided with the breach cut out from bottom to top, thereby forms right engaging lug (31-3) above breach, and 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); The common encirclement of base (31), intermediate cylindrical body (32) and upper cylinder part (33) forms the first inner chamber (36) and the second inner chamber (37);
The column member of the hollow that button cap (4) is an end opening, an end sealing; The internal diameter of the external diameter of spring (5) and button cap (4) adapts; Switch core (6) comprises that one connects presses guide rod (61), 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 of structure; The shape of the left end top breach of the shape of cushion block (7) and switch base (3) and right-hand member below 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, spring socket part (62) socket of the top of spring (5) and switch core (6); The guide rod (61) of pressing of switch core (6) contacts or is fixedly connected with button cap (4); 2 cushion blocks (7) minute left and right is 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, it is characterized in that: the material of described sealing gasket (2) is rubber; The basic ovalize of integral body of sealing gasket (2), its major axis to the amputation of two ends, left and right, and its two ends, left and right in the middle of place respectively be provided with the step down semicircle breach (21) of use of an installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320351377 CN203351470U (en) | 2013-06-18 | 2013-06-18 | Mining waterproof switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320351377 CN203351470U (en) | 2013-06-18 | 2013-06-18 | Mining waterproof switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203351470U true CN203351470U (en) | 2013-12-18 |
Family
ID=49751337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320351377 Withdrawn - After Issue CN203351470U (en) | 2013-06-18 | 2013-06-18 | Mining waterproof switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203351470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240986A (en) * | 2013-06-18 | 2014-12-24 | 天地（常州）自动化股份有限公司 | Mine waterproof switch |
-
2013
- 2013-06-18 CN CN 201320351377 patent/CN203351470U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240986A (en) * | 2013-06-18 | 2014-12-24 | 天地（常州）自动化股份有限公司 | Mine waterproof switch |
| CN104240986B (en) * | 2013-06-18 | 2016-02-03 | 天地（常州）自动化股份有限公司 | Mining water proof switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131218 Effective date of abandoning: 20160203 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |